* Copyright (c) 2000,2001 Fabrice Bellard.
* H263+ support.
* Copyright (c) 2001 Juan J. Sierralta P.
+ * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
#define SPRITE_TRAJ_VLC_BITS 6
#define MB_TYPE_B_VLC_BITS 4
#define TEX_VLC_BITS 9
+#define H263_MBTYPE_B_VLC_BITS 6
+#define CBPC_B_VLC_BITS 3
#ifdef CONFIG_ENCODERS
static void h263_encode_block(MpegEncContext * s, DCTELEM * block,
int n);
-static void h263_encode_motion(MpegEncContext * s, int val, int fcode);
static void h263p_encode_umotion(MpegEncContext * s, int val);
static inline void mpeg4_encode_block(MpegEncContext * s, DCTELEM * block,
int n, int dc, uint8_t *scan_table,
static inline int mpeg4_decode_dc(MpegEncContext * s, int n, int *dir_ptr);
static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
int n, int coded, int intra, int rvlc);
+static int mpeg4_get_block_length(MpegEncContext * s, DCTELEM * block, int n, int intra_dc,
+ uint8_t *scan_table);
static int h263_pred_dc(MpegEncContext * s, int n, uint16_t **dc_val_ptr);
#ifdef CONFIG_ENCODERS
static void mpeg4_encode_visual_object_header(MpegEncContext * s);
static void mpeg4_encode_vol_header(MpegEncContext * s, int vo_number, int vol_number);
#endif //CONFIG_ENCODERS
-static void mpeg4_decode_sprite_trajectory(MpegEncContext * s);
-static inline int ff_mpeg4_pred_dc(MpegEncContext * s, int n, uint16_t **dc_val_ptr, int *dir_ptr);
+static void mpeg4_decode_sprite_trajectory(MpegEncContext * s, GetBitContext *gb);
+static inline int ff_mpeg4_pred_dc(MpegEncContext * s, int n, int level, int *dir_ptr, int encoding);
#ifdef CONFIG_ENCODERS
static uint8_t uni_DCtab_lum_len[512];
static uint8_t uni_mpeg4_intra_rl_len [64*64*2*2];
static uint32_t uni_mpeg4_inter_rl_bits[64*64*2*2];
static uint8_t uni_mpeg4_inter_rl_len [64*64*2*2];
+static uint8_t uni_h263_intra_aic_rl_len [64*64*2*2];
+static uint8_t uni_h263_inter_rl_len [64*64*2*2];
//#define UNI_MPEG4_ENC_INDEX(last,run,level) ((last)*128 + (run)*256 + (level))
//#define UNI_MPEG4_ENC_INDEX(last,run,level) ((last)*128*64 + (run) + (level)*64)
#define UNI_MPEG4_ENC_INDEX(last,run,level) ((last)*128*64 + (run)*128 + (level))
if(s->h263_aic){
s->y_dc_scale_table=
- s->c_dc_scale_table= h263_aic_dc_scale_table;
+ s->c_dc_scale_table= ff_aic_dc_scale_table;
}else{
s->y_dc_scale_table=
s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
void h263_encode_picture_header(MpegEncContext * s, int picture_number)
{
- int format;
+ int format, coded_frame_rate, coded_frame_rate_base, i, temp_ref;
+ int best_clock_code=1;
+ int best_divisor=60;
+ int best_error= INT_MAX;
+
+ if(s->h263_plus){
+ for(i=0; i<2; i++){
+ int div, error;
+ div= (s->avctx->frame_rate_base*1800000LL + 500LL*s->avctx->frame_rate) / ((1000LL+i)*s->avctx->frame_rate);
+ div= clip(1, div, 127);
+ error= ABS(s->avctx->frame_rate_base*1800000LL - (1000LL+i)*s->avctx->frame_rate*div);
+ if(error < best_error){
+ best_error= error;
+ best_divisor= div;
+ best_clock_code= i;
+ }
+ }
+ }
+ s->custom_pcf= best_clock_code!=1 || best_divisor!=60;
+ coded_frame_rate= 1800000;
+ coded_frame_rate_base= (1000+best_clock_code)*best_divisor;
align_put_bits(&s->pb);
/* Update the pointer to last GOB */
s->ptr_lastgob = pbBufPtr(&s->pb);
- s->gob_number = 0;
-
put_bits(&s->pb, 22, 0x20); /* PSC */
- put_bits(&s->pb, 8, (((int64_t)s->picture_number * 30 * s->avctx->frame_rate_base) /
- s->avctx->frame_rate) & 0xff);
+ temp_ref= s->picture_number * (int64_t)coded_frame_rate * s->avctx->frame_rate_base /
+ (coded_frame_rate_base * (int64_t)s->avctx->frame_rate);
+ put_bits(&s->pb, 8, temp_ref & 0xff); /* TemporalReference */
put_bits(&s->pb, 1, 1); /* marker */
put_bits(&s->pb, 1, 0); /* h263 id */
calculation of the current MB to see if we're on the limits */
put_bits(&s->pb, 1, 0); /* unrestricted motion vector: off */
put_bits(&s->pb, 1, 0); /* SAC: off */
- put_bits(&s->pb, 1, 0); /* advanced prediction mode: off */
+ put_bits(&s->pb, 1, s->obmc); /* advanced prediction mode */
put_bits(&s->pb, 1, 0); /* not PB frame */
put_bits(&s->pb, 5, s->qscale);
put_bits(&s->pb, 1, 0); /* Continuous Presence Multipoint mode: off */
} else {
+ int ufep=1;
/* H.263v2 */
/* H.263 Plus PTYPE */
+
put_bits(&s->pb, 3, 7);
- put_bits(&s->pb,3,1); /* Update Full Extended PTYPE */
+ put_bits(&s->pb,3,ufep); /* Update Full Extended PTYPE */
if (format == 7)
put_bits(&s->pb,3,6); /* Custom Source Format */
else
put_bits(&s->pb, 3, format);
- put_bits(&s->pb,1,0); /* Custom PCF: off */
- s->umvplus = s->unrestricted_mv;
- put_bits(&s->pb, 1, s->umvplus); /* Unrestricted Motion Vector */
+ put_bits(&s->pb,1, s->custom_pcf);
+ put_bits(&s->pb,1, s->umvplus); /* Unrestricted Motion Vector */
put_bits(&s->pb,1,0); /* SAC: off */
- put_bits(&s->pb,1,0); /* Advanced Prediction Mode: off */
+ put_bits(&s->pb,1,s->obmc); /* Advanced Prediction Mode */
put_bits(&s->pb,1,s->h263_aic); /* Advanced Intra Coding */
- put_bits(&s->pb,1,0); /* Deblocking Filter: off */
- put_bits(&s->pb,1,0); /* Slice Structured: off */
+ put_bits(&s->pb,1,s->loop_filter); /* Deblocking Filter */
+ put_bits(&s->pb,1,s->h263_slice_structured); /* Slice Structured */
put_bits(&s->pb,1,0); /* Reference Picture Selection: off */
put_bits(&s->pb,1,0); /* Independent Segment Decoding: off */
- put_bits(&s->pb,1,0); /* Alternative Inter VLC: off */
- put_bits(&s->pb,1,0); /* Modified Quantization: off */
+ put_bits(&s->pb,1,s->alt_inter_vlc); /* Alternative Inter VLC */
+ put_bits(&s->pb,1,s->modified_quant); /* Modified Quantization: */
put_bits(&s->pb,1,1); /* "1" to prevent start code emulation */
put_bits(&s->pb,3,0); /* Reserved */
put_bits(&s->pb, 8, s->avctx->sample_aspect_ratio.den);
}
}
+ if(s->custom_pcf){
+ if(ufep){
+ put_bits(&s->pb, 1, best_clock_code);
+ put_bits(&s->pb, 7, best_divisor);
+ }
+ put_bits(&s->pb, 2, (temp_ref>>8)&3);
+ }
/* Unlimited Unrestricted Motion Vectors Indicator (UUI) */
if (s->umvplus)
// put_bits(&s->pb,1,1); /* Limited according tables of Annex D */
+//FIXME check actual requested range
put_bits(&s->pb,2,1); /* unlimited */
+ if(s->h263_slice_structured)
+ put_bits(&s->pb,2,0); /* no weird submodes */
put_bits(&s->pb, 5, s->qscale);
}
put_bits(&s->pb, 1, 0); /* no PEI */
+ if(s->h263_slice_structured){
+ put_bits(&s->pb, 1, 1);
+
+ assert(s->mb_x == 0 && s->mb_y == 0);
+ ff_h263_encode_mba(s);
+
+ put_bits(&s->pb, 1, 1);
+ }
+
if(s->h263_aic){
s->y_dc_scale_table=
- s->c_dc_scale_table= h263_aic_dc_scale_table;
+ s->c_dc_scale_table= ff_aic_dc_scale_table;
}else{
s->y_dc_scale_table=
s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
/**
* Encodes a group of blocks header.
*/
-int h263_encode_gob_header(MpegEncContext * s, int mb_line)
+void h263_encode_gob_header(MpegEncContext * s, int mb_line)
{
- align_put_bits(&s->pb);
- flush_put_bits(&s->pb);
- /* Call the RTP callback to send the last GOB */
- if (s->rtp_callback) {
- int pdif = pbBufPtr(&s->pb) - s->ptr_lastgob;
- s->rtp_callback(s->ptr_lastgob, pdif, s->gob_number);
- }
- put_bits(&s->pb, 17, 1); /* GBSC */
- s->gob_number = mb_line / s->gob_index;
- put_bits(&s->pb, 5, s->gob_number); /* GN */
- put_bits(&s->pb, 2, s->pict_type == I_TYPE); /* GFID */
- put_bits(&s->pb, 5, s->qscale); /* GQUANT */
- //fprintf(stderr,"\nGOB: %2d size: %d", s->gob_number - 1, pdif);
- return 0;
+ put_bits(&s->pb, 17, 1); /* GBSC */
+
+ if(s->h263_slice_structured){
+ put_bits(&s->pb, 1, 1);
+
+ ff_h263_encode_mba(s);
+
+ if(s->mb_num > 1583)
+ put_bits(&s->pb, 1, 1);
+ put_bits(&s->pb, 5, s->qscale); /* GQUANT */
+ put_bits(&s->pb, 1, 1);
+ put_bits(&s->pb, 2, s->pict_type == I_TYPE); /* GFID */
+ }else{
+ int gob_number= mb_line / s->gob_index;
+
+ put_bits(&s->pb, 5, gob_number); /* GN */
+ put_bits(&s->pb, 2, s->pict_type == I_TYPE); /* GFID */
+ put_bits(&s->pb, 5, s->qscale); /* GQUANT */
+ }
}
static inline int get_block_rate(MpegEncContext * s, DCTELEM block[64], int block_last_index, uint8_t scantable[64]){
if(qscale_table[ s->mb_index2xy[i] ] - qscale_table[ s->mb_index2xy[i+1] ] >2)
qscale_table[ s->mb_index2xy[i] ]= qscale_table[ s->mb_index2xy[i+1] ]+2;
}
+
+ if(s->codec_id != CODEC_ID_H263P){
+ for(i=1; i<s->mb_num; i++){
+ int mb_xy= s->mb_index2xy[i];
+
+ if(qscale_table[mb_xy] != qscale_table[s->mb_index2xy[i-1]] && (s->mb_type[mb_xy]&CANDIDATE_MB_TYPE_INTER4V)){
+ s->mb_type[mb_xy]&= ~CANDIDATE_MB_TYPE_INTER4V;
+ s->mb_type[mb_xy]|= CANDIDATE_MB_TYPE_INTER;
+ }
+ }
+ }
}
/**
ff_clean_h263_qscales(s);
- for(i=1; i<s->mb_num; i++){
- int mb_xy= s->mb_index2xy[i];
-
- if(qscale_table[mb_xy] != qscale_table[s->mb_index2xy[i-1]] && (s->mb_type[mb_xy]&MB_TYPE_INTER4V)){
- s->mb_type[mb_xy]&= ~MB_TYPE_INTER4V;
- s->mb_type[mb_xy]|= MB_TYPE_INTER;
- }
- }
-
if(s->pict_type== B_TYPE){
int odd=0;
/* ok, come on, this isnt funny anymore, theres more code for handling this mpeg4 mess than
for(i=1; i<s->mb_num; i++){
int mb_xy= s->mb_index2xy[i];
- if(qscale_table[mb_xy] != qscale_table[s->mb_index2xy[i-1]] && (s->mb_type[mb_xy]&MB_TYPE_DIRECT)){
- s->mb_type[mb_xy]&= ~MB_TYPE_DIRECT;
- s->mb_type[mb_xy]|= MB_TYPE_BIDIR;
+ if(qscale_table[mb_xy] != qscale_table[s->mb_index2xy[i-1]] && (s->mb_type[mb_xy]&CANDIDATE_MB_TYPE_DIRECT)){
+ s->mb_type[mb_xy]&= ~CANDIDATE_MB_TYPE_DIRECT;
+ s->mb_type[mb_xy]|= CANDIDATE_MB_TYPE_BIDIR;
}
}
}
*/
int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my){
const int mb_index= s->mb_x + s->mb_y*s->mb_stride;
- const int colocated_mb_type= s->next_picture.mb_type[mb_index]; //FIXME or next?
+ const int colocated_mb_type= s->next_picture.mb_type[mb_index];
int xy= s->block_index[0];
uint16_t time_pp= s->pp_time;
uint16_t time_pb= s->pb_time;
s->mv_type = MV_TYPE_8X8;
for(i=0; i<4; i++){
xy= s->block_index[i];
- s->mv[0][i][0] = s->motion_val[xy][0]*time_pb/time_pp + mx;
- s->mv[0][i][1] = s->motion_val[xy][1]*time_pb/time_pp + my;
- s->mv[1][i][0] = mx ? s->mv[0][i][0] - s->motion_val[xy][0]
- : s->motion_val[xy][0]*(time_pb - time_pp)/time_pp;
- s->mv[1][i][1] = my ? s->mv[0][i][1] - s->motion_val[xy][1]
- : s->motion_val[xy][1]*(time_pb - time_pp)/time_pp;
+ s->mv[0][i][0] = s->next_picture.motion_val[0][xy][0]*time_pb/time_pp + mx;
+ s->mv[0][i][1] = s->next_picture.motion_val[0][xy][1]*time_pb/time_pp + my;
+ s->mv[1][i][0] = mx ? s->mv[0][i][0] - s->next_picture.motion_val[0][xy][0]
+ : s->next_picture.motion_val[0][xy][0]*(time_pb - time_pp)/time_pp;
+ s->mv[1][i][1] = my ? s->mv[0][i][1] - s->next_picture.motion_val[0][xy][1]
+ : s->next_picture.motion_val[0][xy][1]*(time_pb - time_pp)/time_pp;
}
return MB_TYPE_DIRECT2 | MB_TYPE_8x8 | MB_TYPE_L0L1;
} else if(IS_INTERLACED(colocated_mb_type)){
s->mv_type = MV_TYPE_FIELD;
for(i=0; i<2; i++){
+ int field_select= s->next_picture.ref_index[0][s->block_index[2*i]];
if(s->top_field_first){
- time_pp= s->pp_field_time - s->field_select_table[mb_index][i] + i;
- time_pb= s->pb_field_time - s->field_select_table[mb_index][i] + i;
+ time_pp= s->pp_field_time - field_select + i;
+ time_pb= s->pb_field_time - field_select + i;
}else{
- time_pp= s->pp_field_time + s->field_select_table[mb_index][i] - i;
- time_pb= s->pb_field_time + s->field_select_table[mb_index][i] - i;
+ time_pp= s->pp_field_time + field_select - i;
+ time_pb= s->pb_field_time + field_select - i;
}
- s->mv[0][i][0] = s->field_mv_table[mb_index][i][0]*time_pb/time_pp + mx;
- s->mv[0][i][1] = s->field_mv_table[mb_index][i][1]*time_pb/time_pp + my;
- s->mv[1][i][0] = mx ? s->mv[0][i][0] - s->field_mv_table[mb_index][i][0]
- : s->field_mv_table[mb_index][i][0]*(time_pb - time_pp)/time_pp;
- s->mv[1][i][1] = my ? s->mv[0][i][1] - s->field_mv_table[mb_index][i][1]
- : s->field_mv_table[mb_index][i][1]*(time_pb - time_pp)/time_pp;
+ s->mv[0][i][0] = s->p_field_mv_table[i][0][mb_index][0]*time_pb/time_pp + mx;
+ s->mv[0][i][1] = s->p_field_mv_table[i][0][mb_index][1]*time_pb/time_pp + my;
+ s->mv[1][i][0] = mx ? s->mv[0][i][0] - s->p_field_mv_table[i][0][mb_index][0]
+ : s->p_field_mv_table[i][0][mb_index][0]*(time_pb - time_pp)/time_pp;
+ s->mv[1][i][1] = my ? s->mv[0][i][1] - s->p_field_mv_table[i][0][mb_index][1]
+ : s->p_field_mv_table[i][0][mb_index][1]*(time_pb - time_pp)/time_pp;
}
return MB_TYPE_DIRECT2 | MB_TYPE_16x8 | MB_TYPE_L0L1 | MB_TYPE_INTERLACED;
}else{
- s->mv[0][0][0] = s->mv[0][1][0] = s->mv[0][2][0] = s->mv[0][3][0] = s->motion_val[xy][0]*time_pb/time_pp + mx;
- s->mv[0][0][1] = s->mv[0][1][1] = s->mv[0][2][1] = s->mv[0][3][1] = s->motion_val[xy][1]*time_pb/time_pp + my;
- s->mv[1][0][0] = s->mv[1][1][0] = s->mv[1][2][0] = s->mv[1][3][0] = mx ? s->mv[0][0][0] - s->motion_val[xy][0]
- : s->motion_val[xy][0]*(time_pb - time_pp)/time_pp;
- s->mv[1][0][1] = s->mv[1][1][1] = s->mv[1][2][1] = s->mv[1][3][1] = my ? s->mv[0][0][1] - s->motion_val[xy][1]
- : s->motion_val[xy][1]*(time_pb - time_pp)/time_pp;
+ s->mv[0][0][0] = s->mv[0][1][0] = s->mv[0][2][0] = s->mv[0][3][0] = s->next_picture.motion_val[0][xy][0]*time_pb/time_pp + mx;
+ s->mv[0][0][1] = s->mv[0][1][1] = s->mv[0][2][1] = s->mv[0][3][1] = s->next_picture.motion_val[0][xy][1]*time_pb/time_pp + my;
+ s->mv[1][0][0] = s->mv[1][1][0] = s->mv[1][2][0] = s->mv[1][3][0] = mx ? s->mv[0][0][0] - s->next_picture.motion_val[0][xy][0]
+ : s->next_picture.motion_val[0][xy][0]*(time_pb - time_pp)/time_pp;
+ s->mv[1][0][1] = s->mv[1][1][1] = s->mv[1][2][1] = s->mv[1][3][1] = my ? s->mv[0][0][1] - s->next_picture.motion_val[0][xy][1]
+ : s->next_picture.motion_val[0][xy][1]*(time_pb - time_pp)/time_pp;
if((s->avctx->workaround_bugs & FF_BUG_DIRECT_BLOCKSIZE) || !s->quarter_sample)
s->mv_type= MV_TYPE_16X16;
else
void ff_h263_update_motion_val(MpegEncContext * s){
const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
//FIXME a lot of thet is only needed for !low_delay
- const int wrap = s->block_wrap[0];
+ const int wrap = s->b8_stride;
const int xy = s->block_index[0];
- s->current_picture.mbskip_table[mb_xy]= s->mb_skiped;
+ s->current_picture.mbskip_table[mb_xy]= s->mb_skipped;
if(s->mv_type != MV_TYPE_8X8){
int motion_x, motion_y;
motion_y = s->mv[0][0][1] + s->mv[0][1][1];
motion_x = (motion_x>>1) | (motion_x&1);
for(i=0; i<2; i++){
- s->field_mv_table[mb_xy][i][0]= s->mv[0][i][0];
- s->field_mv_table[mb_xy][i][1]= s->mv[0][i][1];
- s->field_select_table[mb_xy][i]= s->field_select[0][i];
+ s->p_field_mv_table[i][0][mb_xy][0]= s->mv[0][i][0];
+ s->p_field_mv_table[i][0][mb_xy][1]= s->mv[0][i][1];
}
+ s->current_picture.ref_index[0][xy ]=
+ s->current_picture.ref_index[0][xy + 1]= s->field_select[0][0];
+ s->current_picture.ref_index[0][xy + wrap ]=
+ s->current_picture.ref_index[0][xy + wrap + 1]= s->field_select[0][1];
}
-
+
/* no update if 8X8 because it has been done during parsing */
- s->motion_val[xy][0] = motion_x;
- s->motion_val[xy][1] = motion_y;
- s->motion_val[xy + 1][0] = motion_x;
- s->motion_val[xy + 1][1] = motion_y;
- s->motion_val[xy + wrap][0] = motion_x;
- s->motion_val[xy + wrap][1] = motion_y;
- s->motion_val[xy + 1 + wrap][0] = motion_x;
- s->motion_val[xy + 1 + wrap][1] = motion_y;
+ s->current_picture.motion_val[0][xy][0] = motion_x;
+ s->current_picture.motion_val[0][xy][1] = motion_y;
+ s->current_picture.motion_val[0][xy + 1][0] = motion_x;
+ s->current_picture.motion_val[0][xy + 1][1] = motion_y;
+ s->current_picture.motion_val[0][xy + wrap][0] = motion_x;
+ s->current_picture.motion_val[0][xy + wrap][1] = motion_y;
+ s->current_picture.motion_val[0][xy + 1 + wrap][0] = motion_x;
+ s->current_picture.motion_val[0][xy + 1 + wrap][1] = motion_y;
}
if(s->encoding){ //FIXME encoding MUST be cleaned up
if (s->mv_type == MV_TYPE_8X8)
s->current_picture.mb_type[mb_xy]= MB_TYPE_L0 | MB_TYPE_8x8;
+ else if(s->mb_intra)
+ s->current_picture.mb_type[mb_xy]= MB_TYPE_INTRA;
else
s->current_picture.mb_type[mb_xy]= MB_TYPE_L0 | MB_TYPE_16x16;
}
#ifdef CONFIG_ENCODERS
+static inline int h263_get_motion_length(MpegEncContext * s, int val, int f_code){
+ int l, bit_size, code;
+
+ if (val == 0) {
+ return mvtab[0][1];
+ } else {
+ bit_size = f_code - 1;
+ /* modulo encoding */
+ l= INT_BIT - 6 - bit_size;
+ val = (val<<l)>>l;
+ val--;
+ code = (val >> bit_size) + 1;
+
+ return mvtab[code][1] + 1 + bit_size;
+ }
+}
+
+static inline void ff_h263_encode_motion_vector(MpegEncContext * s, int x, int y, int f_code){
+ if(s->flags2 & CODEC_FLAG2_NO_OUTPUT){
+ skip_put_bits(&s->pb,
+ h263_get_motion_length(s, x, f_code)
+ +h263_get_motion_length(s, y, f_code));
+ }else{
+ ff_h263_encode_motion(s, x, f_code);
+ ff_h263_encode_motion(s, y, f_code);
+ }
+}
+
static inline int get_p_cbp(MpegEncContext * s,
DCTELEM block[6][64],
int motion_x, int motion_y){
if(s->flags & CODEC_FLAG_CBP_RD){
int best_cbpy_score= INT_MAX;
int best_cbpc_score= INT_MAX;
- int cbpc, cbpy;
+ int cbpc = (-1), cbpy= (-1);
const int offset= (s->mv_type==MV_TYPE_16X16 ? 0 : 16) + (s->dquant ? 8 : 0);
const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6);
return cbp;
}
+static inline void mpeg4_encode_blocks(MpegEncContext * s, DCTELEM block[6][64], int intra_dc[6],
+ uint8_t **scan_table, PutBitContext *dc_pb, PutBitContext *ac_pb){
+ int i;
+
+ if(scan_table){
+ if(s->flags2 & CODEC_FLAG2_NO_OUTPUT){
+ for (i = 0; i < 6; i++) {
+ skip_put_bits(&s->pb, mpeg4_get_block_length(s, block[i], i, intra_dc[i], scan_table[i]));
+ }
+ }else{
+ /* encode each block */
+ for (i = 0; i < 6; i++) {
+ mpeg4_encode_block(s, block[i], i, intra_dc[i], scan_table[i], dc_pb, ac_pb);
+ }
+ }
+ }else{
+ if(s->flags2 & CODEC_FLAG2_NO_OUTPUT){
+ for (i = 0; i < 6; i++) {
+ skip_put_bits(&s->pb, mpeg4_get_block_length(s, block[i], i, 0, s->intra_scantable.permutated));
+ }
+ }else{
+ /* encode each block */
+ for (i = 0; i < 6; i++) {
+ mpeg4_encode_block(s, block[i], i, 0, s->intra_scantable.permutated, dc_pb, ac_pb);
+ }
+ }
+ }
+}
+
void mpeg4_encode_mb(MpegEncContext * s,
DCTELEM block[6][64],
int motion_x, int motion_y)
// printf("**mb x=%d y=%d\n", s->mb_x, s->mb_y);
if (!s->mb_intra) {
- /* compute cbp */
int i, cbp;
if(s->pict_type==B_TYPE){
static const int mb_type_table[8]= {-1, 2, 3, 1,-1,-1,-1, 0}; /* convert from mv_dir to type */
int mb_type= mb_type_table[s->mv_dir];
-
+
if(s->mb_x==0){
- s->last_mv[0][0][0]=
- s->last_mv[0][0][1]=
- s->last_mv[1][0][0]=
- s->last_mv[1][0][1]= 0;
+ for(i=0; i<2; i++){
+ s->last_mv[i][0][0]=
+ s->last_mv[i][0][1]=
+ s->last_mv[i][1][0]=
+ s->last_mv[i][1][1]= 0;
+ }
}
assert(s->dquant>=-2 && s->dquant<=2);
assert((s->dquant&1)==0);
assert(mb_type>=0);
- /* nothing to do if this MB was skiped in the next P Frame */
+ /* nothing to do if this MB was skipped in the next P Frame */
if(s->next_picture.mbskip_table[s->mb_y * s->mb_stride + s->mb_x]){ //FIXME avoid DCT & ...
s->skip_count++;
s->mv[0][0][0]=
s->mv[1][0][1]= 0;
s->mv_dir= MV_DIR_FORWARD; //doesnt matter
s->qscale -= s->dquant;
-// s->mb_skiped=1;
+// s->mb_skipped=1;
return;
}
if(cbp)
put_bits(&s->pb, 1, s->interlaced_dct);
if(mb_type) // not diect mode
- put_bits(&s->pb, 1, 0); // no interlaced ME yet
+ put_bits(&s->pb, 1, s->mv_type == MV_TYPE_FIELD);
}
if(interleaved_stats){
s->misc_bits+= get_bits_diff(s);
}
- switch(mb_type)
- {
- case 0: /* direct */
- h263_encode_motion(s, motion_x, 1);
- h263_encode_motion(s, motion_y, 1);
+ if(mb_type == 0){
+ assert(s->mv_dir & MV_DIRECT);
+ ff_h263_encode_motion_vector(s, motion_x, motion_y, 1);
s->b_count++;
s->f_count++;
- break;
- case 1: /* bidir */
- h263_encode_motion(s, s->mv[0][0][0] - s->last_mv[0][0][0], s->f_code);
- h263_encode_motion(s, s->mv[0][0][1] - s->last_mv[0][0][1], s->f_code);
- h263_encode_motion(s, s->mv[1][0][0] - s->last_mv[1][0][0], s->b_code);
- h263_encode_motion(s, s->mv[1][0][1] - s->last_mv[1][0][1], s->b_code);
- s->last_mv[0][0][0]= s->mv[0][0][0];
- s->last_mv[0][0][1]= s->mv[0][0][1];
- s->last_mv[1][0][0]= s->mv[1][0][0];
- s->last_mv[1][0][1]= s->mv[1][0][1];
- s->b_count++;
- s->f_count++;
- break;
- case 2: /* backward */
- h263_encode_motion(s, motion_x - s->last_mv[1][0][0], s->b_code);
- h263_encode_motion(s, motion_y - s->last_mv[1][0][1], s->b_code);
- s->last_mv[1][0][0]= motion_x;
- s->last_mv[1][0][1]= motion_y;
- s->b_count++;
- break;
- case 3: /* forward */
- h263_encode_motion(s, motion_x - s->last_mv[0][0][0], s->f_code);
- h263_encode_motion(s, motion_y - s->last_mv[0][0][1], s->f_code);
- s->last_mv[0][0][0]= motion_x;
- s->last_mv[0][0][1]= motion_y;
- s->f_count++;
- break;
- default:
- printf("unknown mb type\n");
- return;
+ }else{
+ assert(mb_type > 0 && mb_type < 4);
+ if(s->mv_type != MV_TYPE_FIELD){
+ if(s->mv_dir & MV_DIR_FORWARD){
+ ff_h263_encode_motion_vector(s, s->mv[0][0][0] - s->last_mv[0][0][0],
+ s->mv[0][0][1] - s->last_mv[0][0][1], s->f_code);
+ s->last_mv[0][0][0]= s->last_mv[0][1][0]= s->mv[0][0][0];
+ s->last_mv[0][0][1]= s->last_mv[0][1][1]= s->mv[0][0][1];
+ s->f_count++;
+ }
+ if(s->mv_dir & MV_DIR_BACKWARD){
+ ff_h263_encode_motion_vector(s, s->mv[1][0][0] - s->last_mv[1][0][0],
+ s->mv[1][0][1] - s->last_mv[1][0][1], s->b_code);
+ s->last_mv[1][0][0]= s->last_mv[1][1][0]= s->mv[1][0][0];
+ s->last_mv[1][0][1]= s->last_mv[1][1][1]= s->mv[1][0][1];
+ s->b_count++;
+ }
+ }else{
+ if(s->mv_dir & MV_DIR_FORWARD){
+ put_bits(&s->pb, 1, s->field_select[0][0]);
+ put_bits(&s->pb, 1, s->field_select[0][1]);
+ }
+ if(s->mv_dir & MV_DIR_BACKWARD){
+ put_bits(&s->pb, 1, s->field_select[1][0]);
+ put_bits(&s->pb, 1, s->field_select[1][1]);
+ }
+ if(s->mv_dir & MV_DIR_FORWARD){
+ for(i=0; i<2; i++){
+ ff_h263_encode_motion_vector(s, s->mv[0][i][0] - s->last_mv[0][i][0] ,
+ s->mv[0][i][1] - s->last_mv[0][i][1]/2, s->f_code);
+ s->last_mv[0][i][0]= s->mv[0][i][0];
+ s->last_mv[0][i][1]= s->mv[0][i][1]*2;
+ }
+ s->f_count++;
+ }
+ if(s->mv_dir & MV_DIR_BACKWARD){
+ for(i=0; i<2; i++){
+ ff_h263_encode_motion_vector(s, s->mv[1][i][0] - s->last_mv[1][i][0] ,
+ s->mv[1][i][1] - s->last_mv[1][i][1]/2, s->b_code);
+ s->last_mv[1][i][0]= s->mv[1][i][0];
+ s->last_mv[1][i][1]= s->mv[1][i][1]*2;
+ }
+ s->b_count++;
+ }
+ }
}
if(interleaved_stats){
s->mv_bits+= get_bits_diff(s);
}
- /* encode each block */
- for (i = 0; i < 6; i++) {
- mpeg4_encode_block(s, block[i], i, 0, s->intra_scantable.permutated, NULL, &s->pb);
- }
+ mpeg4_encode_blocks(s, block, NULL, NULL, NULL, &s->pb);
if(interleaved_stats){
s->p_tex_bits+= get_bits_diff(s);
}
+
}else{ /* s->pict_type==B_TYPE */
cbp= get_p_cbp(s, block, motion_x, motion_y);
offset= x + y*s->linesize;
p_pic= s->new_picture.data[0] + offset;
- s->mb_skiped=1;
+ s->mb_skipped=1;
for(i=0; i<s->max_b_frames; i++){
uint8_t *b_pic;
int diff;
if(pic==NULL || pic->pict_type!=B_TYPE) break;
b_pic= pic->data[0] + offset + 16; //FIXME +16
- diff= s->dsp.pix_abs16x16(p_pic, b_pic, s->linesize);
+ diff= s->dsp.sad[0](NULL, p_pic, b_pic, s->linesize, 16);
if(diff>s->qscale*70){ //FIXME check that 70 is optimal
- s->mb_skiped=0;
+ s->mb_skipped=0;
break;
}
}
}else
- s->mb_skiped=1;
+ s->mb_skipped=1;
- if(s->mb_skiped==1){
+ if(s->mb_skipped==1){
/* skip macroblock */
put_bits(&s->pb, 1, 1);
}
put_bits(&s->pb, 1, 0); /* mb coded */
+ cbpc = cbp & 3;
+ cbpy = cbp >> 2;
+ cbpy ^= 0xf;
if(s->mv_type==MV_TYPE_16X16){
- cbpc = cbp & 3;
if(s->dquant) cbpc+= 8;
put_bits(&s->pb,
inter_MCBPC_bits[cbpc],
inter_MCBPC_code[cbpc]);
- cbpy = cbp >> 2;
- cbpy ^= 0xf;
put_bits(pb2, cbpy_tab[cbpy][1], cbpy_tab[cbpy][0]);
if(s->dquant)
put_bits(pb2, 2, dquant_code[s->dquant+2]);
if(!s->progressive_sequence){
if(cbp)
put_bits(pb2, 1, s->interlaced_dct);
- put_bits(pb2, 1, 0); // no interlaced ME yet
+ put_bits(pb2, 1, 0);
}
if(interleaved_stats){
}
/* motion vectors: 16x16 mode */
- h263_pred_motion(s, 0, &pred_x, &pred_y);
+ h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
- h263_encode_motion(s, motion_x - pred_x, s->f_code);
- h263_encode_motion(s, motion_y - pred_y, s->f_code);
- }else{
- cbpc = (cbp & 3)+16;
+ ff_h263_encode_motion_vector(s, motion_x - pred_x,
+ motion_y - pred_y, s->f_code);
+ }else if(s->mv_type==MV_TYPE_FIELD){
+ if(s->dquant) cbpc+= 8;
put_bits(&s->pb,
inter_MCBPC_bits[cbpc],
inter_MCBPC_code[cbpc]);
- cbpy = cbp >> 2;
- cbpy ^= 0xf;
+
+ put_bits(pb2, cbpy_tab[cbpy][1], cbpy_tab[cbpy][0]);
+ if(s->dquant)
+ put_bits(pb2, 2, dquant_code[s->dquant+2]);
+
+ assert(!s->progressive_sequence);
+ if(cbp)
+ put_bits(pb2, 1, s->interlaced_dct);
+ put_bits(pb2, 1, 1);
+
+ if(interleaved_stats){
+ s->misc_bits+= get_bits_diff(s);
+ }
+
+ /* motion vectors: 16x8 interlaced mode */
+ h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
+ pred_y /=2;
+
+ put_bits(&s->pb, 1, s->field_select[0][0]);
+ put_bits(&s->pb, 1, s->field_select[0][1]);
+
+ ff_h263_encode_motion_vector(s, s->mv[0][0][0] - pred_x,
+ s->mv[0][0][1] - pred_y, s->f_code);
+ ff_h263_encode_motion_vector(s, s->mv[0][1][0] - pred_x,
+ s->mv[0][1][1] - pred_y, s->f_code);
+ }else{
+ assert(s->mv_type==MV_TYPE_8X8);
+ put_bits(&s->pb,
+ inter_MCBPC_bits[cbpc+16],
+ inter_MCBPC_code[cbpc+16]);
put_bits(pb2, cbpy_tab[cbpy][1], cbpy_tab[cbpy][0]);
if(!s->progressive_sequence){
for(i=0; i<4; i++){
/* motion vectors: 8x8 mode*/
- h263_pred_motion(s, i, &pred_x, &pred_y);
+ h263_pred_motion(s, i, 0, &pred_x, &pred_y);
- h263_encode_motion(s, s->motion_val[ s->block_index[i] ][0] - pred_x, s->f_code);
- h263_encode_motion(s, s->motion_val[ s->block_index[i] ][1] - pred_y, s->f_code);
+ ff_h263_encode_motion_vector(s, s->current_picture.motion_val[0][ s->block_index[i] ][0] - pred_x,
+ s->current_picture.motion_val[0][ s->block_index[i] ][1] - pred_y, s->f_code);
}
}
s->mv_bits+= get_bits_diff(s);
}
- /* encode each block */
- for (i = 0; i < 6; i++) {
- mpeg4_encode_block(s, block[i], i, 0, s->intra_scantable.permutated, NULL, tex_pb);
- }
+ mpeg4_encode_blocks(s, block, NULL, NULL, NULL, tex_pb);
if(interleaved_stats){
s->p_tex_bits+= get_bits_diff(s);
int i;
for(i=0; i<6; i++){
- const int level= block[i][0];
- uint16_t *dc_ptr;
-
- dc_diff[i]= level - ff_mpeg4_pred_dc(s, i, &dc_ptr, &dir[i]);
- if (i < 4) {
- *dc_ptr = level * s->y_dc_scale;
- } else {
- *dc_ptr = level * s->c_dc_scale;
- }
+ dc_diff[i]= ff_mpeg4_pred_dc(s, i, block[i][0], &dir[i], 1);
}
if(s->flags & CODEC_FLAG_AC_PRED){
s->misc_bits+= get_bits_diff(s);
}
- /* encode each block */
- for (i = 0; i < 6; i++) {
- mpeg4_encode_block(s, block[i], i, dc_diff[i], scan_table[i], dc_pb, tex_pb);
- }
+ mpeg4_encode_blocks(s, block, dc_diff, scan_table, dc_pb, tex_pb);
if(interleaved_stats){
s->i_tex_bits+= get_bits_diff(s);
/* compute cbp */
cbp= get_p_cbp(s, block, motion_x, motion_y);
- if ((cbp | motion_x | motion_y | s->dquant) == 0) {
+ if ((cbp | motion_x | motion_y | s->dquant | (s->mv_type - MV_TYPE_16X16)) == 0) {
/* skip macroblock */
put_bits(&s->pb, 1, 1);
if(interleaved_stats){
s->misc_bits++;
s->last_bits++;
}
+ s->skip_count++;
+
return;
}
put_bits(&s->pb, 1, 0); /* mb coded */
+
cbpc = cbp & 3;
- if(s->dquant) cbpc+= 8;
- put_bits(&s->pb,
- inter_MCBPC_bits[cbpc],
- inter_MCBPC_code[cbpc]);
cbpy = cbp >> 2;
- cbpy ^= 0xf;
- put_bits(&s->pb, cbpy_tab[cbpy][1], cbpy_tab[cbpy][0]);
- if(s->dquant)
- put_bits(&s->pb, 2, dquant_code[s->dquant+2]);
+ if(s->alt_inter_vlc==0 || cbpc!=3)
+ cbpy ^= 0xF;
+ if(s->dquant) cbpc+= 8;
+ if(s->mv_type==MV_TYPE_16X16){
+ put_bits(&s->pb,
+ inter_MCBPC_bits[cbpc],
+ inter_MCBPC_code[cbpc]);
- if(interleaved_stats){
- s->misc_bits+= get_bits_diff(s);
- }
+ put_bits(&s->pb, cbpy_tab[cbpy][1], cbpy_tab[cbpy][0]);
+ if(s->dquant)
+ put_bits(&s->pb, 2, dquant_code[s->dquant+2]);
+
+ if(interleaved_stats){
+ s->misc_bits+= get_bits_diff(s);
+ }
- /* motion vectors: 16x16 mode only now */
- h263_pred_motion(s, 0, &pred_x, &pred_y);
-
- if (!s->umvplus) {
- h263_encode_motion(s, motion_x - pred_x, s->f_code);
- h263_encode_motion(s, motion_y - pred_y, s->f_code);
- }
- else {
- h263p_encode_umotion(s, motion_x - pred_x);
- h263p_encode_umotion(s, motion_y - pred_y);
- if (((motion_x - pred_x) == 1) && ((motion_y - pred_y) == 1))
- /* To prevent Start Code emulation */
- put_bits(&s->pb,1,1);
+ /* motion vectors: 16x16 mode */
+ h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
+
+ if (!s->umvplus) {
+ ff_h263_encode_motion_vector(s, motion_x - pred_x,
+ motion_y - pred_y, 1);
+ }
+ else {
+ h263p_encode_umotion(s, motion_x - pred_x);
+ h263p_encode_umotion(s, motion_y - pred_y);
+ if (((motion_x - pred_x) == 1) && ((motion_y - pred_y) == 1))
+ /* To prevent Start Code emulation */
+ put_bits(&s->pb,1,1);
+ }
+ }else{
+ put_bits(&s->pb,
+ inter_MCBPC_bits[cbpc+16],
+ inter_MCBPC_code[cbpc+16]);
+ put_bits(&s->pb, cbpy_tab[cbpy][1], cbpy_tab[cbpy][0]);
+ if(s->dquant)
+ put_bits(&s->pb, 2, dquant_code[s->dquant+2]);
+
+ if(interleaved_stats){
+ s->misc_bits+= get_bits_diff(s);
+ }
+
+ for(i=0; i<4; i++){
+ /* motion vectors: 8x8 mode*/
+ h263_pred_motion(s, i, 0, &pred_x, &pred_y);
+
+ motion_x= s->current_picture.motion_val[0][ s->block_index[i] ][0];
+ motion_y= s->current_picture.motion_val[0][ s->block_index[i] ][1];
+ if (!s->umvplus) {
+ ff_h263_encode_motion_vector(s, motion_x - pred_x,
+ motion_y - pred_y, 1);
+ }
+ else {
+ h263p_encode_umotion(s, motion_x - pred_x);
+ h263p_encode_umotion(s, motion_y - pred_y);
+ if (((motion_x - pred_x) == 1) && ((motion_y - pred_y) == 1))
+ /* To prevent Start Code emulation */
+ put_bits(&s->pb,1,1);
+ }
+ }
}
if(interleaved_stats){
s->mv_bits+= get_bits_diff(s);
}
} else {
- int li = s->h263_aic ? 0 : 1;
+ assert(s->mb_intra);
cbp = 0;
- for(i=0; i<6; i++) {
+ if (s->h263_aic) {
/* Predict DC */
- if (s->h263_aic && s->mb_intra) {
+ for(i=0; i<6; i++) {
int16_t level = block[i][0];
-
+ int scale;
+
+ if(i<4) scale= s->y_dc_scale;
+ else scale= s->c_dc_scale;
+
pred_dc = h263_pred_dc(s, i, &dc_ptr[i]);
level -= pred_dc;
/* Quant */
- if (level < 0)
- level = (level + (s->qscale >> 1))/(s->y_dc_scale);
+ if (level >= 0)
+ level = (level + (scale>>1))/scale;
else
- level = (level - (s->qscale >> 1))/(s->y_dc_scale);
+ level = (level - (scale>>1))/scale;
/* AIC can change CBP */
if (level == 0 && s->block_last_index[i] == 0)
s->block_last_index[i] = -1;
- else if (level < -127)
- level = -127;
- else if (level > 127)
- level = 127;
-
+
+ if(!s->modified_quant){
+ if (level < -127)
+ level = -127;
+ else if (level > 127)
+ level = 127;
+ }
+
block[i][0] = level;
/* Reconstruction */
- rec_intradc[i] = (s->y_dc_scale*level) + pred_dc;
+ rec_intradc[i] = scale*level + pred_dc;
/* Oddify */
rec_intradc[i] |= 1;
//if ((rec_intradc[i] % 2) == 0)
/* Update AC/DC tables */
*dc_ptr[i] = rec_intradc[i];
+ if (s->block_last_index[i] >= 0)
+ cbp |= 1 << (5 - i);
+ }
+ }else{
+ for(i=0; i<6; i++) {
+ /* compute cbp */
+ if (s->block_last_index[i] >= 1)
+ cbp |= 1 << (5 - i);
}
- /* compute cbp */
- if (s->block_last_index[i] >= li)
- cbp |= 1 << (5 - i);
}
cbpc = cbp & 3;
}
#endif
+void ff_h263_loop_filter(MpegEncContext * s){
+ int qp_c;
+ const int linesize = s->linesize;
+ const int uvlinesize= s->uvlinesize;
+ const int xy = s->mb_y * s->mb_stride + s->mb_x;
+ uint8_t *dest_y = s->dest[0];
+ uint8_t *dest_cb= s->dest[1];
+ uint8_t *dest_cr= s->dest[2];
+
+// if(s->pict_type==B_TYPE && !s->readable) return;
+
+ /*
+ Diag Top
+ Left Center
+ */
+ if(!IS_SKIP(s->current_picture.mb_type[xy])){
+ qp_c= s->qscale;
+ s->dsp.h263_v_loop_filter(dest_y+8*linesize , linesize, qp_c);
+ s->dsp.h263_v_loop_filter(dest_y+8*linesize+8, linesize, qp_c);
+ }else
+ qp_c= 0;
+
+ if(s->mb_y){
+ int qp_dt, qp_t, qp_tc;
+
+ if(IS_SKIP(s->current_picture.mb_type[xy-s->mb_stride]))
+ qp_t=0;
+ else
+ qp_t= s->current_picture.qscale_table[xy-s->mb_stride];
+
+ if(qp_c)
+ qp_tc= qp_c;
+ else
+ qp_tc= qp_t;
+
+ if(qp_tc){
+ const int chroma_qp= s->chroma_qscale_table[qp_tc];
+ s->dsp.h263_v_loop_filter(dest_y , linesize, qp_tc);
+ s->dsp.h263_v_loop_filter(dest_y+8, linesize, qp_tc);
+
+ s->dsp.h263_v_loop_filter(dest_cb , uvlinesize, chroma_qp);
+ s->dsp.h263_v_loop_filter(dest_cr , uvlinesize, chroma_qp);
+ }
+
+ if(qp_t)
+ s->dsp.h263_h_loop_filter(dest_y-8*linesize+8 , linesize, qp_t);
+
+ if(s->mb_x){
+ if(qp_t || IS_SKIP(s->current_picture.mb_type[xy-1-s->mb_stride]))
+ qp_dt= qp_t;
+ else
+ qp_dt= s->current_picture.qscale_table[xy-1-s->mb_stride];
+
+ if(qp_dt){
+ const int chroma_qp= s->chroma_qscale_table[qp_dt];
+ s->dsp.h263_h_loop_filter(dest_y -8*linesize , linesize, qp_dt);
+ s->dsp.h263_h_loop_filter(dest_cb-8*uvlinesize, uvlinesize, chroma_qp);
+ s->dsp.h263_h_loop_filter(dest_cr-8*uvlinesize, uvlinesize, chroma_qp);
+ }
+ }
+ }
+
+ if(qp_c){
+ s->dsp.h263_h_loop_filter(dest_y +8, linesize, qp_c);
+ if(s->mb_y + 1 == s->mb_height)
+ s->dsp.h263_h_loop_filter(dest_y+8*linesize+8, linesize, qp_c);
+ }
+
+ if(s->mb_x){
+ int qp_lc;
+ if(qp_c || IS_SKIP(s->current_picture.mb_type[xy-1]))
+ qp_lc= qp_c;
+ else
+ qp_lc= s->current_picture.qscale_table[xy-1];
+
+ if(qp_lc){
+ s->dsp.h263_h_loop_filter(dest_y, linesize, qp_lc);
+ if(s->mb_y + 1 == s->mb_height){
+ const int chroma_qp= s->chroma_qscale_table[qp_lc];
+ s->dsp.h263_h_loop_filter(dest_y +8* linesize, linesize, qp_lc);
+ s->dsp.h263_h_loop_filter(dest_cb , uvlinesize, chroma_qp);
+ s->dsp.h263_h_loop_filter(dest_cr , uvlinesize, chroma_qp);
+ }
+ }
+ }
+}
+
static int h263_pred_dc(MpegEncContext * s, int n, uint16_t **dc_val_ptr)
{
int x, y, wrap, a, c, pred_dc, scale;
/* find prediction */
if (n < 4) {
- x = 2 * s->mb_x + 1 + (n & 1);
- y = 2 * s->mb_y + 1 + ((n & 2) >> 1);
- wrap = s->mb_width * 2 + 2;
+ x = 2 * s->mb_x + (n & 1);
+ y = 2 * s->mb_y + ((n & 2) >> 1);
+ wrap = s->b8_stride;
dc_val = s->dc_val[0];
ac_val = s->ac_val[0][0];
scale = s->y_dc_scale;
} else {
- x = s->mb_x + 1;
- y = s->mb_y + 1;
- wrap = s->mb_width + 2;
+ x = s->mb_x;
+ y = s->mb_y;
+ wrap = s->mb_stride;
dc_val = s->dc_val[n - 4 + 1];
ac_val = s->ac_val[n - 4 + 1][0];
scale = s->c_dc_scale;
c = dc_val[(x) + (y - 1) * wrap];
/* No prediction outside GOB boundary */
- if (s->first_slice_line && ((n < 2) || (n > 3)))
- c = 1024;
+ if(s->first_slice_line && n!=3){
+ if(n!=2) c= 1024;
+ if(n!=1 && s->mb_x == s->resync_mb_x) a= 1024;
+ }
pred_dc = 1024;
/* just DC prediction */
if (a != 1024 && c != 1024)
/* find prediction */
if (n < 4) {
- x = 2 * s->mb_x + 1 + (n & 1);
- y = 2 * s->mb_y + 1 + ((n & 2) >> 1);
- wrap = s->mb_width * 2 + 2;
+ x = 2 * s->mb_x + (n & 1);
+ y = 2 * s->mb_y + (n>> 1);
+ wrap = s->b8_stride;
dc_val = s->dc_val[0];
ac_val = s->ac_val[0][0];
scale = s->y_dc_scale;
} else {
- x = s->mb_x + 1;
- y = s->mb_y + 1;
- wrap = s->mb_width + 2;
+ x = s->mb_x;
+ y = s->mb_y;
+ wrap = s->mb_stride;
dc_val = s->dc_val[n - 4 + 1];
ac_val = s->ac_val[n - 4 + 1][0];
scale = s->c_dc_scale;
c = dc_val[(x) + (y - 1) * wrap];
/* No prediction outside GOB boundary */
- if (s->first_slice_line && ((n < 2) || (n > 3)))
- c = 1024;
- pred_dc = 1024;
+ if(s->first_slice_line && n!=3){
+ if(n!=2) c= 1024;
+ if(n!=1 && s->mb_x == s->resync_mb_x) a= 1024;
+ }
+
if (s->ac_pred) {
+ pred_dc = 1024;
if (s->h263_aic_dir) {
/* left prediction */
if (a != 1024) {
if (block[0] < 0)
block[0] = 0;
- else if (!(block[0] & 1))
- block[0]++;
+ else
+ block[0] |= 1;
/* Update AC/DC tables */
dc_val[(x) + (y) * wrap] = block[0];
ac_val1[8 + i] = block[s->dsp.idct_permutation[i ]];
}
-int16_t *h263_pred_motion(MpegEncContext * s, int block,
+int16_t *h263_pred_motion(MpegEncContext * s, int block, int dir,
int *px, int *py)
{
- int xy, wrap;
- int16_t *A, *B, *C, *mot_val;
+ int wrap;
+ int16_t *A, *B, *C, (*mot_val)[2];
static const int off[4]= {2, 1, 1, -1};
- wrap = s->block_wrap[0];
- xy = s->block_index[block];
-
- mot_val = s->motion_val[xy];
+ wrap = s->b8_stride;
+ mot_val = s->current_picture.motion_val[dir] + s->block_index[block];
- A = s->motion_val[xy - 1];
+ A = mot_val[ - 1];
/* special case for first (slice) line */
if (s->first_slice_line && block<3) {
// we cant just change some MVs to simulate that as we need them for the B frames (and ME)
if(block==0){ //most common case
if(s->mb_x == s->resync_mb_x){ //rare
*px= *py = 0;
- }else if(s->mb_x + 1 == s->resync_mb_x){ //rare
- C = s->motion_val[xy + off[block] - wrap];
+ }else if(s->mb_x + 1 == s->resync_mb_x && s->h263_pred){ //rare
+ C = mot_val[off[block] - wrap];
if(s->mb_x==0){
*px = C[0];
*py = C[1];
*py = A[1];
}
}else if(block==1){
- if(s->mb_x + 1 == s->resync_mb_x){ //rare
- C = s->motion_val[xy + off[block] - wrap];
+ if(s->mb_x + 1 == s->resync_mb_x && s->h263_pred){ //rare
+ C = mot_val[off[block] - wrap];
*px = mid_pred(A[0], 0, C[0]);
*py = mid_pred(A[1], 0, C[1]);
}else{
*py = A[1];
}
}else{ /* block==2*/
- B = s->motion_val[xy - wrap];
- C = s->motion_val[xy + off[block] - wrap];
+ B = mot_val[ - wrap];
+ C = mot_val[off[block] - wrap];
if(s->mb_x == s->resync_mb_x) //rare
A[0]=A[1]=0;
*py = mid_pred(A[1], B[1], C[1]);
}
} else {
- B = s->motion_val[xy - wrap];
- C = s->motion_val[xy + off[block] - wrap];
+ B = mot_val[ - wrap];
+ C = mot_val[off[block] - wrap];
*px = mid_pred(A[0], B[0], C[0]);
*py = mid_pred(A[1], B[1], C[1]);
}
- return mot_val;
+ return *mot_val;
}
#ifdef CONFIG_ENCODERS
-static void h263_encode_motion(MpegEncContext * s, int val, int f_code)
+void ff_h263_encode_motion(MpegEncContext * s, int val, int f_code)
{
int range, l, bit_size, sign, code, bits;
bit_size = f_code - 1;
range = 1 << bit_size;
/* modulo encoding */
- l = range * 32;
-#if 1
- val+= l;
- val&= 2*l-1;
- val-= l;
+ l= INT_BIT - 6 - bit_size;
+ val = (val<<l)>>l;
sign = val>>31;
val= (val^sign)-sign;
sign&=1;
-#else
- if (val < -l) {
- val += 2*l;
- } else if (val >= l) {
- val -= 2*l;
- }
-
- assert(val>=-l && val<l);
- if (val >= 0) {
- sign = 0;
- } else {
- val = -val;
- sign = 1;
- }
-#endif
val--;
code = (val >> bit_size) + 1;
bits = val & (range - 1);
put_bits(&s->pb, bit_size, bits);
}
}
-
}
/* Encode MV differences on H.263+ with Unrestricted MV mode */
else{
int val, bit_size, range, code;
- bit_size = s->f_code - 1;
+ bit_size = f_code - 1;
range = 1 << bit_size;
val=mv;
}
}
+static void init_uni_h263_rl_tab(RLTable *rl, uint32_t *bits_tab, uint8_t *len_tab){
+ int slevel, run, last;
+
+ assert(MAX_LEVEL >= 64);
+ assert(MAX_RUN >= 63);
+
+ for(slevel=-64; slevel<64; slevel++){
+ if(slevel==0) continue;
+ for(run=0; run<64; run++){
+ for(last=0; last<=1; last++){
+ const int index= UNI_MPEG4_ENC_INDEX(last, run, slevel+64);
+ int level= slevel < 0 ? -slevel : slevel;
+ int sign= slevel < 0 ? 1 : 0;
+ int bits, len, code;
+
+ len_tab[index]= 100;
+
+ /* ESC0 */
+ code= get_rl_index(rl, last, run, level);
+ bits= rl->table_vlc[code][0];
+ len= rl->table_vlc[code][1];
+ bits=bits*2+sign; len++;
+
+ if(code!=rl->n && len < len_tab[index]){
+ if(bits_tab) bits_tab[index]= bits;
+ len_tab [index]= len;
+ }
+ /* ESC */
+ bits= rl->table_vlc[rl->n][0];
+ len = rl->table_vlc[rl->n][1];
+ bits=bits*2+last; len++;
+ bits=bits*64+run; len+=6;
+ bits=bits*256+(level&0xff); len+=8;
+
+ if(len < len_tab[index]){
+ if(bits_tab) bits_tab[index]= bits;
+ len_tab [index]= len;
+ }
+ }
+ }
+ }
+}
+
void h263_encode_init(MpegEncContext *s)
{
static int done = 0;
init_uni_dc_tab();
- init_rl(&rl_inter);
- init_rl(&rl_intra);
- init_rl(&rl_intra_aic);
+ init_rl(&rl_inter, 1);
+ init_rl(&rl_intra, 1);
+ init_rl(&rl_intra_aic, 1);
init_uni_mpeg4_rl_tab(&rl_intra, uni_mpeg4_intra_rl_bits, uni_mpeg4_intra_rl_len);
init_uni_mpeg4_rl_tab(&rl_inter, uni_mpeg4_inter_rl_bits, uni_mpeg4_inter_rl_len);
+ init_uni_h263_rl_tab(&rl_intra_aic, NULL, uni_h263_intra_aic_rl_len);
+ init_uni_h263_rl_tab(&rl_inter , NULL, uni_h263_inter_rl_len);
+
init_mv_penalty_and_fcode(s);
}
s->me.mv_penalty= mv_penalty; //FIXME exact table for msmpeg4 & h263p
+ s->intra_ac_vlc_length =s->inter_ac_vlc_length = uni_h263_inter_rl_len;
+ s->intra_ac_vlc_last_length=s->inter_ac_vlc_last_length= uni_h263_inter_rl_len + 128*64;
+ if(s->h263_aic){
+ s->intra_ac_vlc_length = uni_h263_intra_aic_rl_len;
+ s->intra_ac_vlc_last_length= uni_h263_intra_aic_rl_len + 128*64;
+ }
+ s->ac_esc_length= 7+1+6+8;
+
// use fcodes >1 only for mpeg4 & h263 & h263p FIXME
switch(s->codec_id){
case CODEC_ID_MPEG4:
s->luma_dc_vlc_length= uni_DCtab_lum_len;
s->chroma_dc_vlc_length= uni_DCtab_chrom_len;
s->ac_esc_length= 7+2+1+6+1+12+1;
-
+ s->y_dc_scale_table= ff_mpeg4_y_dc_scale_table;
+ s->c_dc_scale_table= ff_mpeg4_c_dc_scale_table;
+
if(s->flags & CODEC_FLAG_GLOBAL_HEADER){
s->avctx->extradata= av_malloc(1024);
init_put_bits(&s->pb, s->avctx->extradata, 1024);
- mpeg4_encode_visual_object_header(s);
+ if(!(s->workaround_bugs & FF_BUG_MS))
+ mpeg4_encode_visual_object_header(s);
mpeg4_encode_vol_header(s, 0, 0);
// ff_mpeg4_stuffing(&s->pb); ?
flush_put_bits(&s->pb);
- s->avctx->extradata_size= (get_bit_count(&s->pb)+7)>>3;
+ s->avctx->extradata_size= (put_bits_count(&s->pb)+7)>>3;
}
break;
case CODEC_ID_H263P:
- s->fcode_tab= umv_fcode_tab;
- s->min_qcoeff= -127;
- s->max_qcoeff= 127;
+ if(s->umvplus)
+ s->fcode_tab= umv_fcode_tab;
+ if(s->modified_quant){
+ s->min_qcoeff= -2047;
+ s->max_qcoeff= 2047;
+ }else{
+ s->min_qcoeff= -127;
+ s->max_qcoeff= 127;
+ }
break;
//Note for mpeg4 & h263 the dc-scale table will be set per frame as needed later
case CODEC_ID_FLV1:
if (level == 128) //FIXME check rv10
put_bits(&s->pb, 8, 0xff);
else
- put_bits(&s->pb, 8, level & 0xff);
+ put_bits(&s->pb, 8, level);
i = 1;
} else {
i = 0;
if (s->h263_aic && s->mb_intra)
rl = &rl_intra_aic;
+
+ if(s->alt_inter_vlc && !s->mb_intra){
+ int aic_vlc_bits=0;
+ int inter_vlc_bits=0;
+ int wrong_pos=-1;
+ int aic_code;
+
+ last_index = s->block_last_index[n];
+ last_non_zero = i - 1;
+ for (; i <= last_index; i++) {
+ j = s->intra_scantable.permutated[i];
+ level = block[j];
+ if (level) {
+ run = i - last_non_zero - 1;
+ last = (i == last_index);
+
+ if(level<0) level= -level;
+
+ code = get_rl_index(rl, last, run, level);
+ aic_code = get_rl_index(&rl_intra_aic, last, run, level);
+ inter_vlc_bits += rl->table_vlc[code][1]+1;
+ aic_vlc_bits += rl_intra_aic.table_vlc[aic_code][1]+1;
+
+ if (code == rl->n) {
+ inter_vlc_bits += 1+6+8-1;
+ }
+ if (aic_code == rl_intra_aic.n) {
+ aic_vlc_bits += 1+6+8-1;
+ wrong_pos += run + 1;
+ }else
+ wrong_pos += wrong_run[aic_code];
+ last_non_zero = i;
+ }
+ }
+ i = 0;
+ if(aic_vlc_bits < inter_vlc_bits && wrong_pos > 63)
+ rl = &rl_intra_aic;
+ }
}
/* AC coefs */
assert(slevel != 0);
- if(slevel < 128 && slevel > -128)
+ if(level < 128)
put_bits(&s->pb, 8, slevel & 0xff);
else{
put_bits(&s->pb, 8, 128);
put_bits(&s->pb, 6, (slevel>>5)&0x3f);
}
}else{
- if(slevel < 64 && slevel > -64) {
- /* 7-bit level */
+ if(level < 64) { // 7-bit level
put_bits(&s->pb, 1, 0);
put_bits(&s->pb, 1, last);
put_bits(&s->pb, 6, run);
{
int length;
put_bits(pbc, 1, 0);
- length= (-get_bit_count(pbc))&7;
+ length= (-put_bits_count(pbc))&7;
if(length) put_bits(pbc, length, (1<<length)-1);
}
void ff_set_mpeg4_time(MpegEncContext * s, int picture_number){
int time_div, time_mod;
- if(s->current_picture_ptr->pts)
- s->time= (s->current_picture_ptr->pts*s->time_increment_resolution + 500*1000)/(1000*1000);
- else
- s->time= av_rescale(picture_number*(int64_t)s->avctx->frame_rate_base, s->time_increment_resolution, s->avctx->frame_rate);
+ assert(s->current_picture_ptr->pts != AV_NOPTS_VALUE);
+ s->time= (s->current_picture_ptr->pts*s->time_increment_resolution + AV_TIME_BASE/2)/AV_TIME_BASE;
+
time_div= s->time/s->time_increment_resolution;
time_mod= s->time%s->time_increment_resolution;
if(s->pict_type==B_TYPE){
s->pb_time= s->pp_time - (s->last_non_b_time - s->time);
+ assert(s->pb_time > 0 && s->pb_time < s->pp_time);
}else{
s->last_time_base= s->time_base;
s->time_base= time_div;
s->pp_time= s->time - s->last_non_b_time;
s->last_non_b_time= s->time;
+ assert(picture_number==0 || s->pp_time > 0);
}
}
static void mpeg4_encode_gop_header(MpegEncContext * s){
int hours, minutes, seconds;
+ int64_t time;
put_bits(&s->pb, 16, 0);
put_bits(&s->pb, 16, GOP_STARTCODE);
- seconds= s->time/s->time_increment_resolution;
+ time= s->current_picture_ptr->pts;
+ if(s->reordered_input_picture[1])
+ time= FFMIN(time, s->reordered_input_picture[1]->pts);
+ time= (time*s->time_increment_resolution + AV_TIME_BASE/2)/AV_TIME_BASE;
+
+ seconds= time/s->time_increment_resolution;
minutes= seconds/60; seconds %= 60;
hours= minutes/60; minutes %= 60;
hours%=24;
put_bits(&s->pb, 1, 1);
put_bits(&s->pb, 6, seconds);
- put_bits(&s->pb, 1, 0); //closed gov == NO
+ put_bits(&s->pb, 1, !!(s->flags&CODEC_FLAG_CLOSED_GOP));
put_bits(&s->pb, 1, 0); //broken link == NO
+
+ s->last_time_base= time / s->time_increment_resolution;
ff_mpeg4_stuffing(&s->pb);
}
int profile_and_level_indication;
int vo_ver_id;
- if(s->max_b_frames || s->quarter_sample){
- profile_and_level_indication= 0xF1; // adv simple level 1
+ if(s->avctx->profile != FF_PROFILE_UNKNOWN){
+ profile_and_level_indication = s->avctx->profile << 4;
+ }else if(s->max_b_frames || s->quarter_sample){
+ profile_and_level_indication= 0xF0; // adv simple
+ }else{
+ profile_and_level_indication= 0x00; // simple
+ }
+
+ if(s->avctx->level != FF_LEVEL_UNKNOWN){
+ profile_and_level_indication |= s->avctx->level;
+ }else{
+ profile_and_level_indication |= 1; //level 1
+ }
+
+ if(profile_and_level_indication>>4 == 0xF){
vo_ver_id= 5;
}else{
- profile_and_level_indication= 0x01; // simple level 1
vo_ver_id= 1;
}
+
//FIXME levels
put_bits(&s->pb, 16, 0);
put_bits(&s->pb, 1, 0); /* random access vol */
put_bits(&s->pb, 8, s->vo_type); /* video obj type indication */
- put_bits(&s->pb, 1, 1); /* is obj layer id= yes */
- put_bits(&s->pb, 4, vo_ver_id); /* is obj layer ver id */
- put_bits(&s->pb, 3, 1); /* is obj layer priority */
+ if(s->workaround_bugs & FF_BUG_MS) {
+ put_bits(&s->pb, 1, 0); /* is obj layer id= no */
+ } else {
+ put_bits(&s->pb, 1, 1); /* is obj layer id= yes */
+ put_bits(&s->pb, 4, vo_ver_id); /* is obj layer ver id */
+ put_bits(&s->pb, 3, 1); /* is obj layer priority */
+ }
aspect_to_info(s, s->avctx->sample_aspect_ratio);
put_bits(&s->pb, 8, s->avctx->sample_aspect_ratio.den);
}
- if(s->low_delay){
- put_bits(&s->pb, 1, 1); /* vol control parameters= yes */
- put_bits(&s->pb, 2, 1); /* chroma format YUV 420/YV12 */
+ if(s->workaround_bugs & FF_BUG_MS) { //
+ put_bits(&s->pb, 1, 0); /* vol control parameters= no @@@ */
+ } else {
+ put_bits(&s->pb, 1, 1); /* vol control parameters= yes */
+ put_bits(&s->pb, 2, 1); /* chroma format YUV 420/YV12 */
put_bits(&s->pb, 1, s->low_delay);
- put_bits(&s->pb, 1, 0); /* vbv parameters= no */
- }else{
- put_bits(&s->pb, 1, 0); /* vol control parameters= no */
+ put_bits(&s->pb, 1, 0); /* vbv parameters= no */
}
put_bits(&s->pb, 2, RECT_SHAPE); /* vol shape= rectangle */
put_bits(&s->pb, 1, s->progressive_sequence ? 0 : 1);
put_bits(&s->pb, 1, 1); /* obmc disable */
if (vo_ver_id == 1) {
- put_bits(&s->pb, 1, s->vol_sprite_usage=0); /* sprite enable */
+ put_bits(&s->pb, 1, s->vol_sprite_usage); /* sprite enable */
}else{
- put_bits(&s->pb, 2, s->vol_sprite_usage=0); /* sprite enable */
+ put_bits(&s->pb, 2, s->vol_sprite_usage); /* sprite enable */
}
- s->quant_precision=5;
put_bits(&s->pb, 1, 0); /* not 8 bit == false */
put_bits(&s->pb, 1, s->mpeg_quant); /* quant type= (0=h263 style)*/
if(!(s->flags & CODEC_FLAG_BITEXACT)){
put_bits(&s->pb, 16, 0);
put_bits(&s->pb, 16, 0x1B2); /* user_data */
- put_string(&s->pb, LIBAVCODEC_IDENT);
- ff_mpeg4_stuffing(&s->pb);
+ put_string(&s->pb, LIBAVCODEC_IDENT, 0);
}
}
if(s->strict_std_compliance < 2 || picture_number==0) //HACK, the reference sw is buggy
mpeg4_encode_vol_header(s, 0, 0);
}
- mpeg4_encode_gop_header(s);
+ if(!(s->workaround_bugs & FF_BUG_MS))
+ mpeg4_encode_gop_header(s);
}
s->partitioned_frame= s->data_partitioning && s->pict_type!=B_TYPE;
time_div= s->time/s->time_increment_resolution;
time_mod= s->time%s->time_increment_resolution;
time_incr= time_div - s->last_time_base;
+ assert(time_incr >= 0);
while(time_incr--)
put_bits(&s->pb, 1, 1);
}
put_bits(&s->pb, 3, 0); /* intra dc VLC threshold */
if(!s->progressive_sequence){
- put_bits(&s->pb, 1, s->top_field_first);
+ put_bits(&s->pb, 1, s->current_picture_ptr->top_field_first);
put_bits(&s->pb, 1, s->alternate_scan);
}
//FIXME sprite stuff
if (s->pict_type == B_TYPE)
put_bits(&s->pb, 3, s->b_code); /* fcode_back */
// printf("****frame %d\n", picture_number);
-
- s->y_dc_scale_table= ff_mpeg4_y_dc_scale_table; //FIXME add short header support
- s->c_dc_scale_table= ff_mpeg4_c_dc_scale_table;
}
#endif //CONFIG_ENCODERS
/**
- * change qscale by given dquant and update qscale dependant variables.
+ * set qscale and update qscale dependant variables.
*/
-static void change_qscale(MpegEncContext * s, int dquant)
+void ff_set_qscale(MpegEncContext * s, int qscale)
{
- s->qscale += dquant;
-
- if (s->qscale < 1)
- s->qscale = 1;
- else if (s->qscale > 31)
- s->qscale = 31;
+ if (qscale < 1)
+ qscale = 1;
+ else if (qscale > 31)
+ qscale = 31;
+
+ s->qscale = qscale;
+ s->chroma_qscale= s->chroma_qscale_table[qscale];
- s->y_dc_scale= s->y_dc_scale_table[ s->qscale ];
- s->c_dc_scale= s->c_dc_scale_table[ s->qscale ];
+ s->y_dc_scale= s->y_dc_scale_table[ qscale ];
+ s->c_dc_scale= s->c_dc_scale_table[ s->chroma_qscale ];
}
/**
* predicts the dc.
+ * encoding quantized level -> quantized diff
+ * decoding quantized diff -> quantized level
* @param n block index (0-3 are luma, 4-5 are chroma)
- * @param dc_val_ptr a pointer to the dc_val entry for the current MB will be stored here
* @param dir_ptr pointer to an integer where the prediction direction will be stored
- * @return the quantized predicted dc
*/
-static inline int ff_mpeg4_pred_dc(MpegEncContext * s, int n, uint16_t **dc_val_ptr, int *dir_ptr)
+static inline int ff_mpeg4_pred_dc(MpegEncContext * s, int n, int level, int *dir_ptr, int encoding)
{
- int a, b, c, wrap, pred, scale;
+ int a, b, c, wrap, pred, scale, ret;
uint16_t *dc_val;
/* find prediction */
/* we assume pred is positive */
pred = FASTDIV((pred + (scale >> 1)), scale);
- /* prepare address for prediction update */
- *dc_val_ptr = &dc_val[0];
+ if(encoding){
+ ret = level - pred;
+ }else{
+ level += pred;
+ ret= level;
+ if(s->error_resilience>=3){
+ if(level<0){
+ av_log(s->avctx, AV_LOG_ERROR, "dc<0 at %dx%d\n", s->mb_x, s->mb_y);
+ return -1;
+ }
+ if(level*scale > 2048 + scale){
+ av_log(s->avctx, AV_LOG_ERROR, "dc overflow at %dx%d\n", s->mb_x, s->mb_y);
+ return -1;
+ }
+ }
+ }
+ level *=scale;
+ if(level&(~2047)){
+ if(level<0)
+ level=0;
+ else if(!(s->workaround_bugs&FF_BUG_DC_CLIP))
+ level=2047;
+ }
+ dc_val[0]= level;
- return pred;
+ return ret;
}
/**
#endif
}
+static inline int mpeg4_get_dc_length(int level, int n){
+ if (n < 4) {
+ return uni_DCtab_lum_len[level + 256];
+ } else {
+ return uni_DCtab_chrom_len[level + 256];
+ }
+}
+
/**
* encodes a 8x8 block
* @param n block index (0-3 are luma, 4-5 are chroma)
#endif
}
-static inline int mpeg4_get_block_length(MpegEncContext * s, DCTELEM * block, int n, int intra_dc,
+static int mpeg4_get_block_length(MpegEncContext * s, DCTELEM * block, int n, int intra_dc,
uint8_t *scan_table)
{
int i, last_non_zero;
if (s->mb_intra) { //Note gcc (3.2.1 at least) will optimize this away
/* mpeg4 based DC predictor */
- //mpeg4_encode_dc(dc_pb, intra_dc, n); //FIXME
+ len += mpeg4_get_dc_length(intra_dc, n);
if(last_index<1) return len;
i = 1;
rl = &rl_intra;
static VLC dc_lum, dc_chrom;
static VLC sprite_trajectory;
static VLC mb_type_b_vlc;
+static VLC h263_mbtype_b_vlc;
+static VLC cbpc_b_vlc;
-void init_vlc_rl(RLTable *rl)
+void init_vlc_rl(RLTable *rl, int use_static)
{
int i, q;
-
+
+ /* Return if static table is already initialized */
+ if(use_static && rl->rl_vlc[0])
+ return;
+
init_vlc(&rl->vlc, 9, rl->n + 1,
&rl->table_vlc[0][1], 4, 2,
- &rl->table_vlc[0][0], 4, 2);
+ &rl->table_vlc[0][0], 4, 2, use_static);
for(q=0; q<32; q++){
qmul=1;
qadd=0;
}
-
- rl->rl_vlc[q]= av_malloc(rl->vlc.table_size*sizeof(RL_VLC_ELEM));
+ if(use_static)
+ rl->rl_vlc[q]= av_mallocz_static(rl->vlc.table_size*sizeof(RL_VLC_ELEM));
+ else
+ rl->rl_vlc[q]= av_malloc(rl->vlc.table_size*sizeof(RL_VLC_ELEM));
for(i=0; i<rl->vlc.table_size; i++){
int code= rl->vlc.table[i][0];
int len = rl->vlc.table[i][1];
init_vlc(&intra_MCBPC_vlc, INTRA_MCBPC_VLC_BITS, 9,
intra_MCBPC_bits, 1, 1,
- intra_MCBPC_code, 1, 1);
+ intra_MCBPC_code, 1, 1, 1);
init_vlc(&inter_MCBPC_vlc, INTER_MCBPC_VLC_BITS, 28,
inter_MCBPC_bits, 1, 1,
- inter_MCBPC_code, 1, 1);
+ inter_MCBPC_code, 1, 1, 1);
init_vlc(&cbpy_vlc, CBPY_VLC_BITS, 16,
&cbpy_tab[0][1], 2, 1,
- &cbpy_tab[0][0], 2, 1);
+ &cbpy_tab[0][0], 2, 1, 1);
init_vlc(&mv_vlc, MV_VLC_BITS, 33,
&mvtab[0][1], 2, 1,
- &mvtab[0][0], 2, 1);
- init_rl(&rl_inter);
- init_rl(&rl_intra);
- init_rl(&rvlc_rl_inter);
- init_rl(&rvlc_rl_intra);
- init_rl(&rl_intra_aic);
- init_vlc_rl(&rl_inter);
- init_vlc_rl(&rl_intra);
- init_vlc_rl(&rvlc_rl_inter);
- init_vlc_rl(&rvlc_rl_intra);
- init_vlc_rl(&rl_intra_aic);
+ &mvtab[0][0], 2, 1, 1);
+ init_rl(&rl_inter, 1);
+ init_rl(&rl_intra, 1);
+ init_rl(&rvlc_rl_inter, 1);
+ init_rl(&rvlc_rl_intra, 1);
+ init_rl(&rl_intra_aic, 1);
+ init_vlc_rl(&rl_inter, 1);
+ init_vlc_rl(&rl_intra, 1);
+ init_vlc_rl(&rvlc_rl_inter, 1);
+ init_vlc_rl(&rvlc_rl_intra, 1);
+ init_vlc_rl(&rl_intra_aic, 1);
init_vlc(&dc_lum, DC_VLC_BITS, 10 /* 13 */,
&DCtab_lum[0][1], 2, 1,
- &DCtab_lum[0][0], 2, 1);
+ &DCtab_lum[0][0], 2, 1, 1);
init_vlc(&dc_chrom, DC_VLC_BITS, 10 /* 13 */,
&DCtab_chrom[0][1], 2, 1,
- &DCtab_chrom[0][0], 2, 1);
+ &DCtab_chrom[0][0], 2, 1, 1);
init_vlc(&sprite_trajectory, SPRITE_TRAJ_VLC_BITS, 15,
&sprite_trajectory_tab[0][1], 4, 2,
- &sprite_trajectory_tab[0][0], 4, 2);
+ &sprite_trajectory_tab[0][0], 4, 2, 1);
init_vlc(&mb_type_b_vlc, MB_TYPE_B_VLC_BITS, 4,
&mb_type_b_tab[0][1], 2, 1,
- &mb_type_b_tab[0][0], 2, 1);
+ &mb_type_b_tab[0][0], 2, 1, 1);
+ init_vlc(&h263_mbtype_b_vlc, H263_MBTYPE_B_VLC_BITS, 15,
+ &h263_mbtype_b_tab[0][1], 2, 1,
+ &h263_mbtype_b_tab[0][0], 2, 1, 1);
+ init_vlc(&cbpc_b_vlc, CBPC_B_VLC_BITS, 4,
+ &cbpc_b_tab[0][1], 2, 1,
+ &cbpc_b_tab[0][0], 2, 1, 1);
}
}
return 4;
}
+int ff_h263_decode_mba(MpegEncContext *s)
+{
+ int i, mb_pos;
+
+ for(i=0; i<6; i++){
+ if(s->mb_num-1 <= ff_mba_max[i]) break;
+ }
+ mb_pos= get_bits(&s->gb, ff_mba_length[i]);
+ s->mb_x= mb_pos % s->mb_width;
+ s->mb_y= mb_pos / s->mb_width;
+
+ return mb_pos;
+}
+
+void ff_h263_encode_mba(MpegEncContext *s)
+{
+ int i, mb_pos;
+
+ for(i=0; i<6; i++){
+ if(s->mb_num-1 <= ff_mba_max[i]) break;
+ }
+ mb_pos= s->mb_x + s->mb_width*s->mb_y;
+ put_bits(&s->pb, ff_mba_length[i], mb_pos);
+}
+
/**
- * decodes the group of blocks header.
+ * decodes the group of blocks header or slice header.
* @return <0 if an error occured
*/
static int h263_decode_gob_header(MpegEncContext *s)
{
- unsigned int val, gfid;
+ unsigned int val, gfid, gob_number;
int left;
/* Check for GOB Start Code */
if(left<=13)
return -1;
-#ifdef DEBUG
- fprintf(stderr,"\nGOB Start Code at MB %d\n", (s->mb_y * s->mb_width) + s->mb_x);
-#endif
- s->gob_number = get_bits(&s->gb, 5); /* GN */
- gfid = get_bits(&s->gb, 2); /* GFID */
- s->qscale = get_bits(&s->gb, 5); /* GQUANT */
- if(s->qscale==0)
- return -1;
- s->mb_x= 0;
- s->mb_y= s->gob_index* s->gob_number;
+ if(s->h263_slice_structured){
+ if(get_bits1(&s->gb)==0)
+ return -1;
+
+ ff_h263_decode_mba(s);
+
+ if(s->mb_num > 1583)
+ if(get_bits1(&s->gb)==0)
+ return -1;
+
+ s->qscale = get_bits(&s->gb, 5); /* SQUANT */
+ if(get_bits1(&s->gb)==0)
+ return -1;
+ gfid = get_bits(&s->gb, 2); /* GFID */
+ }else{
+ gob_number = get_bits(&s->gb, 5); /* GN */
+ s->mb_x= 0;
+ s->mb_y= s->gob_index* gob_number;
+ gfid = get_bits(&s->gb, 2); /* GFID */
+ s->qscale = get_bits(&s->gb, 5); /* GQUANT */
+ }
+
if(s->mb_y >= s->mb_height)
return -1;
-#ifdef DEBUG
- fprintf(stderr, "\nGN: %u GFID: %u Quant: %u\n", s->gob_number, gfid, s->qscale);
-#endif
+
+ if(s->qscale==0)
+ return -1;
+
return 0;
}
void ff_mpeg4_init_partitions(MpegEncContext *s)
{
- init_put_bits(&s->tex_pb, s->tex_pb_buffer, PB_BUFFER_SIZE);
- init_put_bits(&s->pb2 , s->pb2_buffer , PB_BUFFER_SIZE);
+ uint8_t *start= pbBufPtr(&s->pb);
+ uint8_t *end= s->pb.buf_end;
+ int size= end - start;
+ int pb_size = (((long)start + size/3)&(~3)) - (long)start;
+ int tex_size= (size - 2*pb_size)&(~3);
+
+ set_put_bits_buffer_size(&s->pb, pb_size);
+ init_put_bits(&s->tex_pb, start + pb_size , tex_size);
+ init_put_bits(&s->pb2 , start + pb_size + tex_size, pb_size);
}
void ff_mpeg4_merge_partitions(MpegEncContext *s)
{
- const int pb2_len = get_bit_count(&s->pb2 );
- const int tex_pb_len= get_bit_count(&s->tex_pb);
- const int bits= get_bit_count(&s->pb);
+ const int pb2_len = put_bits_count(&s->pb2 );
+ const int tex_pb_len= put_bits_count(&s->tex_pb);
+ const int bits= put_bits_count(&s->pb);
if(s->pict_type==I_TYPE){
put_bits(&s->pb, 19, DC_MARKER);
flush_put_bits(&s->pb2);
flush_put_bits(&s->tex_pb);
- ff_copy_bits(&s->pb, s->pb2_buffer , pb2_len);
- ff_copy_bits(&s->pb, s->tex_pb_buffer, tex_pb_len);
- s->last_bits= get_bit_count(&s->pb);
+ set_put_bits_buffer_size(&s->pb, s->pb2.buf_end - s->pb.buf);
+ ff_copy_bits(&s->pb, s->pb2.buf , pb2_len);
+ ff_copy_bits(&s->pb, s->tex_pb.buf, tex_pb_len);
+ s->last_bits= put_bits_count(&s->pb);
}
#endif //CONFIG_ENCODERS
{
int mb_num_bits= av_log2(s->mb_num - 1) + 1;
- ff_mpeg4_stuffing(&s->pb);
put_bits(&s->pb, ff_mpeg4_get_video_packet_prefix_length(s), 0);
put_bits(&s->pb, 1, 1);
}
if(len!=ff_mpeg4_get_video_packet_prefix_length(s)){
- printf("marker does not match f_code\n");
+ av_log(s->avctx, AV_LOG_ERROR, "marker does not match f_code\n");
return -1;
}
mb_num= get_bits(&s->gb, mb_num_bits);
if(mb_num>=s->mb_num){
- fprintf(stderr, "illegal mb_num in video packet (%d %d) \n", mb_num, s->mb_num);
+ av_log(s->avctx, AV_LOG_ERROR, "illegal mb_num in video packet (%d %d) \n", mb_num, s->mb_num);
return -1;
}
if(s->pict_type == B_TYPE){
while(s->next_picture.mbskip_table[ s->mb_index2xy[ mb_num ] ]) mb_num++;
- if(mb_num >= s->mb_num) return -1; // slice contains just skiped MBs which where allready decoded
+ if(mb_num >= s->mb_num) return -1; // slice contains just skipped MBs which where allready decoded
}
s->mb_x= mb_num % s->mb_width;
if(s->shape != BIN_ONLY_SHAPE){
int qscale= get_bits(&s->gb, s->quant_precision);
if(qscale)
- s->qscale= qscale;
+ s->chroma_qscale=s->qscale= qscale;
}
if(s->shape == RECT_SHAPE){
skip_bits(&s->gb, 3); /* intra dc vlc threshold */
//FIXME dont just ignore everything
if(s->pict_type == S_TYPE && s->vol_sprite_usage==GMC_SPRITE){
- mpeg4_decode_sprite_trajectory(s);
- fprintf(stderr, "untested\n");
+ mpeg4_decode_sprite_trajectory(s, &s->gb);
+ av_log(s->avctx, AV_LOG_ERROR, "untested\n");
}
//FIXME reduced res stuff here
if (s->pict_type != I_TYPE) {
int f_code = get_bits(&s->gb, 3); /* fcode_for */
if(f_code==0){
- printf("Error, video packet header damaged (f_code=0)\n");
+ av_log(s->avctx, AV_LOG_ERROR, "Error, video packet header damaged (f_code=0)\n");
}
}
if (s->pict_type == B_TYPE) {
int b_code = get_bits(&s->gb, 3);
if(b_code==0){
- printf("Error, video packet header damaged (b_code=0)\n");
+ av_log(s->avctx, AV_LOG_ERROR, "Error, video packet header damaged (b_code=0)\n");
}
}
}
{
int c_wrap, c_xy, l_wrap, l_xy;
- l_wrap= s->block_wrap[0];
- l_xy= s->mb_y*l_wrap*2 + s->mb_x*2;
- c_wrap= s->block_wrap[4];
- c_xy= s->mb_y*c_wrap + s->mb_x;
+ l_wrap= s->b8_stride;
+ l_xy= (2*s->mb_y-1)*l_wrap + s->mb_x*2 - 1;
+ c_wrap= s->mb_stride;
+ c_xy= (s->mb_y-1)*c_wrap + s->mb_x - 1;
#if 0
/* clean DC */
int x, y, mb_v, sum, dx, dy, shift;
int len = 1 << (s->f_code + 4);
const int a= s->sprite_warping_accuracy;
+
+ if(s->workaround_bugs & FF_BUG_AMV)
+ len >>= s->quarter_sample;
if(s->real_sprite_warping_points==1){
if(s->divx_version==500 && s->divx_build==413)
if(s->pict_type==I_TYPE){
int i;
- if(show_bits_long(&s->gb, 19)==DC_MARKER){
- return mb_num-1;
- }
-
do{
+ if(show_bits_long(&s->gb, 19)==DC_MARKER){
+ return mb_num-1;
+ }
+
cbpc = get_vlc2(&s->gb, intra_MCBPC_vlc.table, INTRA_MCBPC_VLC_BITS, 2);
if (cbpc < 0){
- fprintf(stderr, "cbpc corrupted at %d %d\n", s->mb_x, s->mb_y);
+ av_log(s->avctx, AV_LOG_ERROR, "cbpc corrupted at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
}while(cbpc == 8);
-
+
s->cbp_table[xy]= cbpc & 3;
s->current_picture.mb_type[xy]= MB_TYPE_INTRA;
s->mb_intra = 1;
if(cbpc & 4) {
- change_qscale(s, quant_tab[get_bits(&s->gb, 2)]);
+ ff_set_qscale(s, s->qscale + quant_tab[get_bits(&s->gb, 2)]);
}
s->current_picture.qscale_table[xy]= s->qscale;
int dc_pred_dir;
int dc= mpeg4_decode_dc(s, i, &dc_pred_dir);
if(dc < 0){
- fprintf(stderr, "DC corrupted at %d %d\n", s->mb_x, s->mb_y);
+ av_log(s->avctx, AV_LOG_ERROR, "DC corrupted at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
dir<<=1;
s->pred_dir_table[xy]= dir;
}else{ /* P/S_TYPE */
int mx, my, pred_x, pred_y, bits;
- int16_t * const mot_val= s->motion_val[s->block_index[0]];
- const int stride= s->block_wrap[0]*2;
+ int16_t * const mot_val= s->current_picture.motion_val[0][s->block_index[0]];
+ const int stride= s->b8_stride*2;
-// do{ //FIXME
+try_again:
bits= show_bits(&s->gb, 17);
if(bits==MOTION_MARKER){
return mb_num-1;
cbpc = get_vlc2(&s->gb, inter_MCBPC_vlc.table, INTER_MCBPC_VLC_BITS, 2);
if (cbpc < 0){
- fprintf(stderr, "cbpc corrupted at %d %d\n", s->mb_x, s->mb_y);
+ av_log(s->avctx, AV_LOG_ERROR, "cbpc corrupted at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
-// }while(cbpc == 20);
+ if(cbpc == 20)
+ goto try_again;
s->cbp_table[xy]= cbpc&(8+3); //8 is dquant
if ((cbpc & 16) == 0) {
/* 16x16 motion prediction */
- h263_pred_motion(s, 0, &pred_x, &pred_y);
+ h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
if(!s->mcsel){
mx = h263_decode_motion(s, pred_x, s->f_code);
if (mx >= 0xffff)
int i;
s->current_picture.mb_type[xy]= MB_TYPE_8x8 | MB_TYPE_L0;
for(i=0;i<4;i++) {
- int16_t *mot_val= h263_pred_motion(s, i, &pred_x, &pred_y);
+ int16_t *mot_val= h263_pred_motion(s, i, 0, &pred_x, &pred_y);
mx = h263_decode_motion(s, pred_x, s->f_code);
if (mx >= 0xffff)
return -1;
int ac_pred= get_bits1(&s->gb);
int cbpy = get_vlc2(&s->gb, cbpy_vlc.table, CBPY_VLC_BITS, 1);
if(cbpy<0){
- fprintf(stderr, "cbpy corrupted at %d %d\n", s->mb_x, s->mb_y);
+ av_log(s->avctx, AV_LOG_ERROR, "cbpy corrupted at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
int cbpy = get_vlc2(&s->gb, cbpy_vlc.table, CBPY_VLC_BITS, 1);
if(cbpy<0){
- fprintf(stderr, "I cbpy corrupted at %d %d\n", s->mb_x, s->mb_y);
+ av_log(s->avctx, AV_LOG_ERROR, "I cbpy corrupted at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
if(s->cbp_table[xy] & 8) {
- change_qscale(s, quant_tab[get_bits(&s->gb, 2)]);
+ ff_set_qscale(s, s->qscale + quant_tab[get_bits(&s->gb, 2)]);
}
s->current_picture.qscale_table[xy]= s->qscale;
int dc_pred_dir;
int dc= mpeg4_decode_dc(s, i, &dc_pred_dir);
if(dc < 0){
- fprintf(stderr, "DC corrupted at %d %d\n", s->mb_x, s->mb_y);
+ av_log(s->avctx, AV_LOG_ERROR, "DC corrupted at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
dir<<=1;
int cbpy = get_vlc2(&s->gb, cbpy_vlc.table, CBPY_VLC_BITS, 1);
if(cbpy<0){
- fprintf(stderr, "P cbpy corrupted at %d %d\n", s->mb_x, s->mb_y);
+ av_log(s->avctx, AV_LOG_ERROR, "P cbpy corrupted at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
if(s->cbp_table[xy] & 8) {
- change_qscale(s, quant_tab[get_bits(&s->gb, 2)]);
+ ff_set_qscale(s, s->qscale + quant_tab[get_bits(&s->gb, 2)]);
}
s->current_picture.qscale_table[xy]= s->qscale;
}
if(s->resync_mb_x + s->resync_mb_y*s->mb_width + mb_num > s->mb_num){
- fprintf(stderr, "slice below monitor ...\n");
+ av_log(s->avctx, AV_LOG_ERROR, "slice below monitor ...\n");
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, part_a_error);
return -1;
}
s->mb_num_left= mb_num;
if(s->pict_type==I_TYPE){
+ while(show_bits(&s->gb, 9) == 1)
+ skip_bits(&s->gb, 9);
if(get_bits_long(&s->gb, 19)!=DC_MARKER){
- fprintf(stderr, "marker missing after first I partition at %d %d\n", s->mb_x, s->mb_y);
+ av_log(s->avctx, AV_LOG_ERROR, "marker missing after first I partition at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
}else{
+ while(show_bits(&s->gb, 10) == 1)
+ skip_bits(&s->gb, 10);
if(get_bits(&s->gb, 17)!=MOTION_MARKER){
- fprintf(stderr, "marker missing after first P partition at %d %d\n", s->mb_x, s->mb_y);
+ av_log(s->avctx, AV_LOG_ERROR, "marker missing after first P partition at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
}
cbp = s->cbp_table[xy];
if(s->current_picture.qscale_table[xy] != s->qscale){
- s->qscale= s->current_picture.qscale_table[xy];
- s->y_dc_scale= s->y_dc_scale_table[ s->qscale ];
- s->c_dc_scale= s->c_dc_scale_table[ s->qscale ];
+ ff_set_qscale(s, s->current_picture.qscale_table[xy] );
+ }
+
+ if (s->pict_type == P_TYPE || s->pict_type==S_TYPE) {
+ int i;
+ for(i=0; i<4; i++){
+ s->mv[0][i][0] = s->current_picture.motion_val[0][ s->block_index[i] ][0];
+ s->mv[0][i][1] = s->current_picture.motion_val[0][ s->block_index[i] ][1];
+ }
+ s->mb_intra = IS_INTRA(mb_type);
+
+ if (IS_SKIP(mb_type)) {
+ /* skip mb */
+ for(i=0;i<6;i++)
+ s->block_last_index[i] = -1;
+ s->mv_dir = MV_DIR_FORWARD;
+ s->mv_type = MV_TYPE_16X16;
+ if(s->pict_type==S_TYPE && s->vol_sprite_usage==GMC_SPRITE){
+ s->mcsel=1;
+ s->mb_skipped = 0;
+ }else{
+ s->mcsel=0;
+ s->mb_skipped = 1;
+ }
+ }else if(s->mb_intra){
+ s->ac_pred = IS_ACPRED(s->current_picture.mb_type[xy]);
+ }else if(!s->mb_intra){
+// s->mcsel= 0; //FIXME do we need to init that
+
+ s->mv_dir = MV_DIR_FORWARD;
+ if (IS_8X8(mb_type)) {
+ s->mv_type = MV_TYPE_8X8;
+ } else {
+ s->mv_type = MV_TYPE_16X16;
+ }
+ }
+ } else { /* I-Frame */
+ s->mb_intra = 1;
+ s->ac_pred = IS_ACPRED(s->current_picture.mb_type[xy]);
+ }
+
+ if (!IS_SKIP(mb_type)) {
+ int i;
+ /* decode each block */
+ for (i = 0; i < 6; i++) {
+ if(mpeg4_decode_block(s, block[i], i, cbp&32, s->mb_intra, s->rvlc) < 0){
+ av_log(s->avctx, AV_LOG_ERROR, "texture corrupted at %d %d %d\n", s->mb_x, s->mb_y, s->mb_intra);
+ return -1;
+ }
+ cbp+=cbp;
+ }
+ }
+
+ /* per-MB end of slice check */
+
+ if(--s->mb_num_left <= 0){
+//printf("%06X %d\n", show_bits(&s->gb, 24), s->gb.size_in_bits - get_bits_count(&s->gb));
+ if(mpeg4_is_resync(s))
+ return SLICE_END;
+ else
+ return SLICE_NOEND;
+ }else{
+ if(mpeg4_is_resync(s)){
+ const int delta= s->mb_x + 1 == s->mb_width ? 2 : 1;
+ if(s->cbp_table[xy+delta])
+ return SLICE_END;
+ }
+ return SLICE_OK;
+ }
+}
+
+/**
+ * read the next MVs for OBMC. yes this is a ugly hack, feel free to send a patch :)
+ */
+static void preview_obmc(MpegEncContext *s){
+ GetBitContext gb= s->gb;
+
+ int cbpc, i, pred_x, pred_y, mx, my;
+ int16_t *mot_val;
+ const int xy= s->mb_x + 1 + s->mb_y * s->mb_stride;
+ const int stride= s->b8_stride*2;
+
+ for(i=0; i<4; i++)
+ s->block_index[i]+= 2;
+ for(i=4; i<6; i++)
+ s->block_index[i]+= 1;
+ s->mb_x++;
+
+ assert(s->pict_type == P_TYPE);
+
+ do{
+ if (get_bits1(&s->gb)) {
+ /* skip mb */
+ mot_val = s->current_picture.motion_val[0][ s->block_index[0] ];
+ mot_val[0 ]= mot_val[2 ]=
+ mot_val[0+stride]= mot_val[2+stride]= 0;
+ mot_val[1 ]= mot_val[3 ]=
+ mot_val[1+stride]= mot_val[3+stride]= 0;
+
+ s->current_picture.mb_type[xy]= MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_L0;
+ goto end;
+ }
+ cbpc = get_vlc2(&s->gb, inter_MCBPC_vlc.table, INTER_MCBPC_VLC_BITS, 2);
+ }while(cbpc == 20);
+
+ if(cbpc & 4){
+ s->current_picture.mb_type[xy]= MB_TYPE_INTRA;
+ }else{
+ get_vlc2(&s->gb, cbpy_vlc.table, CBPY_VLC_BITS, 1);
+ if (cbpc & 8) {
+ if(s->modified_quant){
+ if(get_bits1(&s->gb)) skip_bits(&s->gb, 1);
+ else skip_bits(&s->gb, 5);
+ }else
+ skip_bits(&s->gb, 2);
+ }
+
+ if ((cbpc & 16) == 0) {
+ s->current_picture.mb_type[xy]= MB_TYPE_16x16 | MB_TYPE_L0;
+ /* 16x16 motion prediction */
+ mot_val= h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
+ if (s->umvplus)
+ mx = h263p_decode_umotion(s, pred_x);
+ else
+ mx = h263_decode_motion(s, pred_x, 1);
+
+ if (s->umvplus)
+ my = h263p_decode_umotion(s, pred_y);
+ else
+ my = h263_decode_motion(s, pred_y, 1);
+
+ mot_val[0 ]= mot_val[2 ]=
+ mot_val[0+stride]= mot_val[2+stride]= mx;
+ mot_val[1 ]= mot_val[3 ]=
+ mot_val[1+stride]= mot_val[3+stride]= my;
+ } else {
+ s->current_picture.mb_type[xy]= MB_TYPE_8x8 | MB_TYPE_L0;
+ for(i=0;i<4;i++) {
+ mot_val = h263_pred_motion(s, i, 0, &pred_x, &pred_y);
+ if (s->umvplus)
+ mx = h263p_decode_umotion(s, pred_x);
+ else
+ mx = h263_decode_motion(s, pred_x, 1);
+
+ if (s->umvplus)
+ my = h263p_decode_umotion(s, pred_y);
+ else
+ my = h263_decode_motion(s, pred_y, 1);
+ if (s->umvplus && (mx - pred_x) == 1 && (my - pred_y) == 1)
+ skip_bits1(&s->gb); /* Bit stuffing to prevent PSC */
+ mot_val[0] = mx;
+ mot_val[1] = my;
+ }
+ }
}
+end:
+
+ for(i=0; i<4; i++)
+ s->block_index[i]-= 2;
+ for(i=4; i<6; i++)
+ s->block_index[i]-= 1;
+ s->mb_x--;
+
+ s->gb= gb;
+}
+
+static void h263_decode_dquant(MpegEncContext *s){
+ static const int8_t quant_tab[4] = { -1, -2, 1, 2 };
+
+ if(s->modified_quant){
+ if(get_bits1(&s->gb))
+ s->qscale= modified_quant_tab[get_bits1(&s->gb)][ s->qscale ];
+ else
+ s->qscale= get_bits(&s->gb, 5);
+ }else
+ s->qscale += quant_tab[get_bits(&s->gb, 2)];
+ ff_set_qscale(s, s->qscale);
+}
+
+int ff_h263_decode_mb(MpegEncContext *s,
+ DCTELEM block[6][64])
+{
+ int cbpc, cbpy, i, cbp, pred_x, pred_y, mx, my, dquant;
+ int16_t *mot_val;
+ const int xy= s->mb_x + s->mb_y * s->mb_stride;
+
+ assert(!s->h263_pred);
+
+ if (s->pict_type == P_TYPE) {
+ do{
+ if (get_bits1(&s->gb)) {
+ /* skip mb */
+ s->mb_intra = 0;
+ for(i=0;i<6;i++)
+ s->block_last_index[i] = -1;
+ s->mv_dir = MV_DIR_FORWARD;
+ s->mv_type = MV_TYPE_16X16;
+ s->current_picture.mb_type[xy]= MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_L0;
+ s->mv[0][0][0] = 0;
+ s->mv[0][0][1] = 0;
+ s->mb_skipped = !(s->obmc | s->loop_filter);
+ goto end;
+ }
+ cbpc = get_vlc2(&s->gb, inter_MCBPC_vlc.table, INTER_MCBPC_VLC_BITS, 2);
+ //fprintf(stderr, "\tCBPC: %d", cbpc);
+ if (cbpc < 0){
+ av_log(s->avctx, AV_LOG_ERROR, "cbpc damaged at %d %d\n", s->mb_x, s->mb_y);
+ return -1;
+ }
+ }while(cbpc == 20);
+
+ dquant = cbpc & 8;
+ s->mb_intra = ((cbpc & 4) != 0);
+ if (s->mb_intra) goto intra;
+
+ cbpy = get_vlc2(&s->gb, cbpy_vlc.table, CBPY_VLC_BITS, 1);
+
+ if(s->alt_inter_vlc==0 || (cbpc & 3)!=3)
+ cbpy ^= 0xF;
+
+ cbp = (cbpc & 3) | (cbpy << 2);
+ if (dquant) {
+ h263_decode_dquant(s);
+ }
+
+ s->mv_dir = MV_DIR_FORWARD;
+ if ((cbpc & 16) == 0) {
+ s->current_picture.mb_type[xy]= MB_TYPE_16x16 | MB_TYPE_L0;
+ /* 16x16 motion prediction */
+ s->mv_type = MV_TYPE_16X16;
+ h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
+ if (s->umvplus)
+ mx = h263p_decode_umotion(s, pred_x);
+ else
+ mx = h263_decode_motion(s, pred_x, 1);
+
+ if (mx >= 0xffff)
+ return -1;
+
+ if (s->umvplus)
+ my = h263p_decode_umotion(s, pred_y);
+ else
+ my = h263_decode_motion(s, pred_y, 1);
+
+ if (my >= 0xffff)
+ return -1;
+ s->mv[0][0][0] = mx;
+ s->mv[0][0][1] = my;
+
+ if (s->umvplus && (mx - pred_x) == 1 && (my - pred_y) == 1)
+ skip_bits1(&s->gb); /* Bit stuffing to prevent PSC */
+ } else {
+ s->current_picture.mb_type[xy]= MB_TYPE_8x8 | MB_TYPE_L0;
+ s->mv_type = MV_TYPE_8X8;
+ for(i=0;i<4;i++) {
+ mot_val = h263_pred_motion(s, i, 0, &pred_x, &pred_y);
+ if (s->umvplus)
+ mx = h263p_decode_umotion(s, pred_x);
+ else
+ mx = h263_decode_motion(s, pred_x, 1);
+ if (mx >= 0xffff)
+ return -1;
+
+ if (s->umvplus)
+ my = h263p_decode_umotion(s, pred_y);
+ else
+ my = h263_decode_motion(s, pred_y, 1);
+ if (my >= 0xffff)
+ return -1;
+ s->mv[0][i][0] = mx;
+ s->mv[0][i][1] = my;
+ if (s->umvplus && (mx - pred_x) == 1 && (my - pred_y) == 1)
+ skip_bits1(&s->gb); /* Bit stuffing to prevent PSC */
+ mot_val[0] = mx;
+ mot_val[1] = my;
+ }
+ }
+
+ /* decode each block */
+ for (i = 0; i < 6; i++) {
+ if (h263_decode_block(s, block[i], i, cbp&32) < 0)
+ return -1;
+ cbp+=cbp;
+ }
+
+ if(s->obmc){
+ if(s->pict_type == P_TYPE && s->mb_x+1<s->mb_width && s->mb_num_left != 1)
+ preview_obmc(s);
+ }
+ } else if(s->pict_type==B_TYPE) {
+ int mb_type;
+ const int stride= s->b8_stride;
+ int16_t *mot_val0 = s->current_picture.motion_val[0][ 2*(s->mb_x + s->mb_y*stride) ];
+ int16_t *mot_val1 = s->current_picture.motion_val[1][ 2*(s->mb_x + s->mb_y*stride) ];
+// const int mv_xy= s->mb_x + 1 + s->mb_y * s->mb_stride;
+
+ //FIXME ugly
+ mot_val0[0 ]= mot_val0[2 ]= mot_val0[0+2*stride]= mot_val0[2+2*stride]=
+ mot_val0[1 ]= mot_val0[3 ]= mot_val0[1+2*stride]= mot_val0[3+2*stride]=
+ mot_val1[0 ]= mot_val1[2 ]= mot_val1[0+2*stride]= mot_val1[2+2*stride]=
+ mot_val1[1 ]= mot_val1[3 ]= mot_val1[1+2*stride]= mot_val1[3+2*stride]= 0;
+
+ do{
+ mb_type= get_vlc2(&s->gb, h263_mbtype_b_vlc.table, H263_MBTYPE_B_VLC_BITS, 2);
+ if (mb_type < 0){
+ av_log(s->avctx, AV_LOG_ERROR, "b mb_type damaged at %d %d\n", s->mb_x, s->mb_y);
+ return -1;
+ }
+
+ mb_type= h263_mb_type_b_map[ mb_type ];
+ }while(!mb_type);
+
+ s->mb_intra = IS_INTRA(mb_type);
+ if(HAS_CBP(mb_type)){
+ cbpc = get_vlc2(&s->gb, cbpc_b_vlc.table, CBPC_B_VLC_BITS, 1);
+ if(s->mb_intra){
+ dquant = IS_QUANT(mb_type);
+ goto intra;
+ }
+
+ cbpy = get_vlc2(&s->gb, cbpy_vlc.table, CBPY_VLC_BITS, 1);
+
+ if (cbpy < 0){
+ av_log(s->avctx, AV_LOG_ERROR, "b cbpy damaged at %d %d\n", s->mb_x, s->mb_y);
+ return -1;
+ }
+
+ if(s->alt_inter_vlc==0 || (cbpc & 3)!=3)
+ cbpy ^= 0xF;
+
+ cbp = (cbpc & 3) | (cbpy << 2);
+ }else
+ cbp=0;
+
+ assert(!s->mb_intra);
+
+ if(IS_QUANT(mb_type)){
+ h263_decode_dquant(s);
+ }
+
+ if(IS_DIRECT(mb_type)){
+ s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
+ mb_type |= ff_mpeg4_set_direct_mv(s, 0, 0);
+ }else{
+ s->mv_dir = 0;
+ s->mv_type= MV_TYPE_16X16;
+//FIXME UMV
+
+ if(USES_LIST(mb_type, 0)){
+ int16_t *mot_val= h263_pred_motion(s, 0, 0, &mx, &my);
+ s->mv_dir = MV_DIR_FORWARD;
+
+ mx = h263_decode_motion(s, mx, 1);
+ my = h263_decode_motion(s, my, 1);
+
+ s->mv[0][0][0] = mx;
+ s->mv[0][0][1] = my;
+ mot_val[0 ]= mot_val[2 ]= mot_val[0+2*stride]= mot_val[2+2*stride]= mx;
+ mot_val[1 ]= mot_val[3 ]= mot_val[1+2*stride]= mot_val[3+2*stride]= my;
+ }
- if (s->pict_type == P_TYPE || s->pict_type==S_TYPE) {
- int i;
- for(i=0; i<4; i++){
- s->mv[0][i][0] = s->motion_val[ s->block_index[i] ][0];
- s->mv[0][i][1] = s->motion_val[ s->block_index[i] ][1];
+ if(USES_LIST(mb_type, 1)){
+ int16_t *mot_val= h263_pred_motion(s, 0, 1, &mx, &my);
+ s->mv_dir |= MV_DIR_BACKWARD;
+
+ mx = h263_decode_motion(s, mx, 1);
+ my = h263_decode_motion(s, my, 1);
+
+ s->mv[1][0][0] = mx;
+ s->mv[1][0][1] = my;
+ mot_val[0 ]= mot_val[2 ]= mot_val[0+2*stride]= mot_val[2+2*stride]= mx;
+ mot_val[1 ]= mot_val[3 ]= mot_val[1+2*stride]= mot_val[3+2*stride]= my;
+ }
}
- s->mb_intra = IS_INTRA(mb_type);
+
+ s->current_picture.mb_type[xy]= mb_type;
- if (IS_SKIP(mb_type)) {
- /* skip mb */
- for(i=0;i<6;i++)
- s->block_last_index[i] = -1;
- s->mv_dir = MV_DIR_FORWARD;
- s->mv_type = MV_TYPE_16X16;
- if(s->pict_type==S_TYPE && s->vol_sprite_usage==GMC_SPRITE){
- s->mcsel=1;
- s->mb_skiped = 0;
- }else{
- s->mcsel=0;
- s->mb_skiped = 1;
+ /* decode each block */
+ for (i = 0; i < 6; i++) {
+ if (h263_decode_block(s, block[i], i, cbp&32) < 0)
+ return -1;
+ cbp+=cbp;
+ }
+ } else { /* I-Frame */
+ do{
+ cbpc = get_vlc2(&s->gb, intra_MCBPC_vlc.table, INTRA_MCBPC_VLC_BITS, 2);
+ if (cbpc < 0){
+ av_log(s->avctx, AV_LOG_ERROR, "I cbpc damaged at %d %d\n", s->mb_x, s->mb_y);
+ return -1;
}
- }else if(s->mb_intra){
- s->ac_pred = IS_ACPRED(s->current_picture.mb_type[xy]);
- }else if(!s->mb_intra){
-// s->mcsel= 0; //FIXME do we need to init that
+ }while(cbpc == 8);
+
+ dquant = cbpc & 4;
+ s->mb_intra = 1;
+intra:
+ s->current_picture.mb_type[xy]= MB_TYPE_INTRA;
+ if (s->h263_aic) {
+ s->ac_pred = get_bits1(&s->gb);
+ if(s->ac_pred){
+ s->current_picture.mb_type[xy]= MB_TYPE_INTRA | MB_TYPE_ACPRED;
- s->mv_dir = MV_DIR_FORWARD;
- if (IS_8X8(mb_type)) {
- s->mv_type = MV_TYPE_8X8;
- } else {
- s->mv_type = MV_TYPE_16X16;
+ s->h263_aic_dir = get_bits1(&s->gb);
}
+ }else
+ s->ac_pred = 0;
+
+ cbpy = get_vlc2(&s->gb, cbpy_vlc.table, CBPY_VLC_BITS, 1);
+ if(cbpy<0){
+ av_log(s->avctx, AV_LOG_ERROR, "I cbpy damaged at %d %d\n", s->mb_x, s->mb_y);
+ return -1;
+ }
+ cbp = (cbpc & 3) | (cbpy << 2);
+ if (dquant) {
+ h263_decode_dquant(s);
}
- } else { /* I-Frame */
- s->mb_intra = 1;
- s->ac_pred = IS_ACPRED(s->current_picture.mb_type[xy]);
- }
- if (!IS_SKIP(mb_type)) {
- int i;
/* decode each block */
for (i = 0; i < 6; i++) {
- if(mpeg4_decode_block(s, block[i], i, cbp&32, s->mb_intra, s->rvlc) < 0){
- fprintf(stderr, "texture corrupted at %d %d %d\n", s->mb_x, s->mb_y, s->mb_intra);
+ if (h263_decode_block(s, block[i], i, cbp&32) < 0)
return -1;
- }
cbp+=cbp;
}
}
+end:
- /* per-MB end of slice check */
+ /* per-MB end of slice check */
+ {
+ int v= show_bits(&s->gb, 16);
+
+ if(get_bits_count(&s->gb) + 16 > s->gb.size_in_bits){
+ v>>= get_bits_count(&s->gb) + 16 - s->gb.size_in_bits;
+ }
- if(--s->mb_num_left <= 0){
-//printf("%06X %d\n", show_bits(&s->gb, 24), s->gb.size_in_bits - get_bits_count(&s->gb));
- if(mpeg4_is_resync(s))
+ if(v==0)
return SLICE_END;
- else
- return SLICE_NOEND;
- }else{
- if(mpeg4_is_resync(s)){
- const int delta= s->mb_x + 1 == s->mb_width ? 2 : 1;
- if(s->cbp_table[xy+delta])
- return SLICE_END;
- }
- return SLICE_OK;
}
+
+ return SLICE_OK;
}
-int ff_h263_decode_mb(MpegEncContext *s,
+int ff_mpeg4_decode_mb(MpegEncContext *s,
DCTELEM block[6][64])
{
int cbpc, cbpy, i, cbp, pred_x, pred_y, mx, my, dquant;
static int8_t quant_tab[4] = { -1, -2, 1, 2 };
const int xy= s->mb_x + s->mb_y * s->mb_stride;
+ assert(s->h263_pred);
+
if (s->pict_type == P_TYPE || s->pict_type==S_TYPE) {
- do{
- if (get_bits1(&s->gb)) {
- /* skip mb */
- s->mb_intra = 0;
- for(i=0;i<6;i++)
- s->block_last_index[i] = -1;
- s->mv_dir = MV_DIR_FORWARD;
- s->mv_type = MV_TYPE_16X16;
- if(s->pict_type==S_TYPE && s->vol_sprite_usage==GMC_SPRITE){
- s->current_picture.mb_type[xy]= MB_TYPE_SKIP | MB_TYPE_GMC | MB_TYPE_16x16 | MB_TYPE_L0;
- s->mcsel=1;
- s->mv[0][0][0]= get_amv(s, 0);
- s->mv[0][0][1]= get_amv(s, 1);
+ do{
+ if (get_bits1(&s->gb)) {
+ /* skip mb */
+ s->mb_intra = 0;
+ for(i=0;i<6;i++)
+ s->block_last_index[i] = -1;
+ s->mv_dir = MV_DIR_FORWARD;
+ s->mv_type = MV_TYPE_16X16;
+ if(s->pict_type==S_TYPE && s->vol_sprite_usage==GMC_SPRITE){
+ s->current_picture.mb_type[xy]= MB_TYPE_SKIP | MB_TYPE_GMC | MB_TYPE_16x16 | MB_TYPE_L0;
+ s->mcsel=1;
+ s->mv[0][0][0]= get_amv(s, 0);
+ s->mv[0][0][1]= get_amv(s, 1);
- s->mb_skiped = 0;
- }else{
- s->current_picture.mb_type[xy]= MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_L0;
- s->mcsel=0;
- s->mv[0][0][0] = 0;
- s->mv[0][0][1] = 0;
- s->mb_skiped = 1;
+ s->mb_skipped = 0;
+ }else{
+ s->current_picture.mb_type[xy]= MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_L0;
+ s->mcsel=0;
+ s->mv[0][0][0] = 0;
+ s->mv[0][0][1] = 0;
+ s->mb_skipped = 1;
+ }
+ goto end;
}
- goto end;
- }
- cbpc = get_vlc2(&s->gb, inter_MCBPC_vlc.table, INTER_MCBPC_VLC_BITS, 2);
- //fprintf(stderr, "\tCBPC: %d", cbpc);
- if (cbpc < 0){
- fprintf(stderr, "cbpc damaged at %d %d\n", s->mb_x, s->mb_y);
- return -1;
- }
- }while(cbpc == 20);
+ cbpc = get_vlc2(&s->gb, inter_MCBPC_vlc.table, INTER_MCBPC_VLC_BITS, 2);
+ //fprintf(stderr, "\tCBPC: %d", cbpc);
+ if (cbpc < 0){
+ av_log(s->avctx, AV_LOG_ERROR, "cbpc damaged at %d %d\n", s->mb_x, s->mb_y);
+ return -1;
+ }
+ }while(cbpc == 20);
dquant = cbpc & 8;
s->mb_intra = ((cbpc & 4) != 0);
if(s->pict_type==S_TYPE && s->vol_sprite_usage==GMC_SPRITE && (cbpc & 16) == 0)
s->mcsel= get_bits1(&s->gb);
else s->mcsel= 0;
- cbpy = get_vlc2(&s->gb, cbpy_vlc.table, CBPY_VLC_BITS, 1);
- cbp = (cbpc & 3) | ((cbpy ^ 0xf) << 2);
+ cbpy = get_vlc2(&s->gb, cbpy_vlc.table, CBPY_VLC_BITS, 1) ^ 0x0F;
+
+ cbp = (cbpc & 3) | (cbpy << 2);
if (dquant) {
- change_qscale(s, quant_tab[get_bits(&s->gb, 2)]);
+ ff_set_qscale(s, s->qscale + quant_tab[get_bits(&s->gb, 2)]);
}
if((!s->progressive_sequence) && (cbp || (s->workaround_bugs&FF_BUG_XVID_ILACE)))
s->interlaced_dct= get_bits1(&s->gb);
s->field_select[0][0]= get_bits1(&s->gb);
s->field_select[0][1]= get_bits1(&s->gb);
- h263_pred_motion(s, 0, &pred_x, &pred_y);
+ h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
for(i=0; i<2; i++){
mx = h263_decode_motion(s, pred_x, s->f_code);
s->current_picture.mb_type[xy]= MB_TYPE_16x16 | MB_TYPE_L0;
/* 16x16 motion prediction */
s->mv_type = MV_TYPE_16X16;
- h263_pred_motion(s, 0, &pred_x, &pred_y);
- if (s->umvplus)
- mx = h263p_decode_umotion(s, pred_x);
- else
- mx = h263_decode_motion(s, pred_x, s->f_code);
+ h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
+ mx = h263_decode_motion(s, pred_x, s->f_code);
if (mx >= 0xffff)
return -1;
- if (s->umvplus)
- my = h263p_decode_umotion(s, pred_y);
- else
- my = h263_decode_motion(s, pred_y, s->f_code);
+ my = h263_decode_motion(s, pred_y, s->f_code);
if (my >= 0xffff)
return -1;
s->mv[0][0][0] = mx;
s->mv[0][0][1] = my;
-
- if (s->umvplus && (mx - pred_x) == 1 && (my - pred_y) == 1)
- skip_bits1(&s->gb); /* Bit stuffing to prevent PSC */
}
} else {
s->current_picture.mb_type[xy]= MB_TYPE_8x8 | MB_TYPE_L0;
s->mv_type = MV_TYPE_8X8;
for(i=0;i<4;i++) {
- mot_val = h263_pred_motion(s, i, &pred_x, &pred_y);
- if (s->umvplus)
- mx = h263p_decode_umotion(s, pred_x);
- else
- mx = h263_decode_motion(s, pred_x, s->f_code);
+ mot_val = h263_pred_motion(s, i, 0, &pred_x, &pred_y);
+ mx = h263_decode_motion(s, pred_x, s->f_code);
if (mx >= 0xffff)
return -1;
- if (s->umvplus)
- my = h263p_decode_umotion(s, pred_y);
- else
- my = h263_decode_motion(s, pred_y, s->f_code);
+ my = h263_decode_motion(s, pred_y, s->f_code);
if (my >= 0xffff)
return -1;
s->mv[0][i][0] = mx;
s->mv[0][i][1] = my;
- if (s->umvplus && (mx - pred_x) == 1 && (my - pred_y) == 1)
- skip_bits1(&s->gb); /* Bit stuffing to prevent PSC */
mot_val[0] = mx;
mot_val[1] = my;
}
}
/* if we skipped it in the future P Frame than skip it now too */
- s->mb_skiped= s->next_picture.mbskip_table[s->mb_y * s->mb_stride + s->mb_x]; // Note, skiptab=0 if last was GMC
+ s->mb_skipped= s->next_picture.mbskip_table[s->mb_y * s->mb_stride + s->mb_x]; // Note, skiptab=0 if last was GMC
- if(s->mb_skiped){
+ if(s->mb_skipped){
/* skip mb */
for(i=0;i<6;i++)
s->block_last_index[i] = -1;
modb2= get_bits1(&s->gb);
mb_type= get_vlc2(&s->gb, mb_type_b_vlc.table, MB_TYPE_B_VLC_BITS, 1);
if(mb_type<0){
- printf("illegal MB_type\n");
+ av_log(s->avctx, AV_LOG_ERROR, "illegal MB_type\n");
return -1;
}
mb_type= mb_type_b_map[ mb_type ];
if ((!IS_DIRECT(mb_type)) && cbp) {
if(get_bits1(&s->gb)){
- change_qscale(s, get_bits1(&s->gb)*4 - 2);
+ ff_set_qscale(s, s->qscale + get_bits1(&s->gb)*4 - 2);
}
}
do{
cbpc = get_vlc2(&s->gb, intra_MCBPC_vlc.table, INTRA_MCBPC_VLC_BITS, 2);
if (cbpc < 0){
- fprintf(stderr, "I cbpc damaged at %d %d\n", s->mb_x, s->mb_y);
+ av_log(s->avctx, AV_LOG_ERROR, "I cbpc damaged at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
}while(cbpc == 8);
dquant = cbpc & 4;
s->mb_intra = 1;
intra:
- s->current_picture.mb_type[xy]= MB_TYPE_INTRA;
- if (s->h263_pred || s->h263_aic) {
- s->ac_pred = get_bits1(&s->gb);
- if(s->ac_pred){
- s->current_picture.mb_type[xy]= MB_TYPE_INTRA | MB_TYPE_ACPRED;
-
- if (s->h263_aic)
- s->h263_aic_dir = get_bits1(&s->gb);
- }
- }else
- s->ac_pred = 0;
+ s->ac_pred = get_bits1(&s->gb);
+ if(s->ac_pred)
+ s->current_picture.mb_type[xy]= MB_TYPE_INTRA | MB_TYPE_ACPRED;
+ else
+ s->current_picture.mb_type[xy]= MB_TYPE_INTRA;
cbpy = get_vlc2(&s->gb, cbpy_vlc.table, CBPY_VLC_BITS, 1);
if(cbpy<0){
- fprintf(stderr, "I cbpy damaged at %d %d\n", s->mb_x, s->mb_y);
+ av_log(s->avctx, AV_LOG_ERROR, "I cbpy damaged at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
cbp = (cbpc & 3) | (cbpy << 2);
if (dquant) {
- change_qscale(s, quant_tab[get_bits(&s->gb, 2)]);
+ ff_set_qscale(s, s->qscale + quant_tab[get_bits(&s->gb, 2)]);
}
if(!s->progressive_sequence)
s->interlaced_dct= get_bits1(&s->gb);
/* decode each block */
- if (s->h263_pred) {
- for (i = 0; i < 6; i++) {
- if (mpeg4_decode_block(s, block[i], i, cbp&32, 1, 0) < 0)
- return -1;
- cbp+=cbp;
- }
- } else {
- for (i = 0; i < 6; i++) {
- if (h263_decode_block(s, block[i], i, cbp&32) < 0)
- return -1;
- cbp+=cbp;
- }
+ for (i = 0; i < 6; i++) {
+ if (mpeg4_decode_block(s, block[i], i, cbp&32, 1, 0) < 0)
+ return -1;
+ cbp+=cbp;
}
goto end;
}
/* decode each block */
- if (s->h263_pred) {
- for (i = 0; i < 6; i++) {
- if (mpeg4_decode_block(s, block[i], i, cbp&32, 0, 0) < 0)
- return -1;
- cbp+=cbp;
- }
- } else {
- for (i = 0; i < 6; i++) {
- if (h263_decode_block(s, block[i], i, cbp&32) < 0)
- return -1;
- cbp+=cbp;
- }
+ for (i = 0; i < 6; i++) {
+ if (mpeg4_decode_block(s, block[i], i, cbp&32, 0, 0) < 0)
+ return -1;
+ cbp+=cbp;
}
end:
return SLICE_OK;
return SLICE_END;
}
- }else{
- int v= show_bits(&s->gb, 16);
-
- if(get_bits_count(&s->gb) + 16 > s->gb.size_in_bits){
- v>>= get_bits_count(&s->gb) + 16 - s->gb.size_in_bits;
- }
-
- if(v==0)
- return SLICE_END;
}
return SLICE_OK;
/* modulo decoding */
if (!s->h263_long_vectors) {
- l = 1 << (f_code + 4);
- val = ((val + l)&(l*2-1)) - l;
+ l = INT_BIT - 5 - f_code;
+ val = (val<<l)>>l;
} else {
/* horrible h263 long vector mode */
if (pred < -31 && val < -63)
int code, level, i, j, last, run;
RLTable *rl = &rl_inter;
const uint8_t *scan_table;
+ GetBitContext gb= s->gb;
scan_table = s->intra_scantable.permutated;
if (s->h263_aic && s->mb_intra) {
}
} else if (s->mb_intra) {
/* DC coef */
- if(s->h263_rv10){
+ if(s->codec_id == CODEC_ID_RV10){
if (s->rv10_version == 3 && s->pict_type == I_TYPE) {
int component, diff;
component = (n <= 3 ? 0 : n - 4 + 1);
}
} else {
level = get_bits(&s->gb, 8);
+ if (level == 255)
+ level = 128;
}
}else{
level = get_bits(&s->gb, 8);
if((level&0x7F) == 0){
- fprintf(stderr, "illegal dc %d at %d %d\n", level, s->mb_x, s->mb_y);
- return -1;
+ av_log(s->avctx, AV_LOG_ERROR, "illegal dc %d at %d %d\n", level, s->mb_x, s->mb_y);
+ if(s->error_resilience >= FF_ER_COMPLIANT)
+ return -1;
}
if (level == 255)
level = 128;
s->block_last_index[n] = i - 1;
return 0;
}
-
+retry:
for(;;) {
code = get_vlc2(&s->gb, rl->vlc.table, TEX_VLC_BITS, 2);
if (code < 0){
- fprintf(stderr, "illegal ac vlc code at %dx%d\n", s->mb_x, s->mb_y);
+ av_log(s->avctx, AV_LOG_ERROR, "illegal ac vlc code at %dx%d\n", s->mb_x, s->mb_y);
return -1;
}
if (code == rl->n) {
run = get_bits(&s->gb, 6);
level = (int8_t)get_bits(&s->gb, 8);
if(level == -128){
- if (s->h263_rv10) {
+ if (s->codec_id == CODEC_ID_RV10) {
/* XXX: should patch encoder too */
level = get_sbits(&s->gb, 12);
}else{
}
i += run;
if (i >= 64){
- fprintf(stderr, "run overflow at %dx%d\n", s->mb_x, s->mb_y);
+ if(s->alt_inter_vlc && rl == &rl_inter && !s->mb_intra){
+ //looks like a hack but no, its the way its supposed to work ...
+ rl = &rl_intra_aic;
+ i = 0;
+ s->gb= gb;
+ memset(block, 0, sizeof(DCTELEM)*64);
+ goto retry;
+ }
+ av_log(s->avctx, AV_LOG_ERROR, "run overflow at %dx%d i:%d\n", s->mb_x, s->mb_y, s->mb_intra);
return -1;
}
j = scan_table[i];
*/
static inline int mpeg4_decode_dc(MpegEncContext * s, int n, int *dir_ptr)
{
- int level, pred, code;
- uint16_t *dc_val;
+ int level, code;
if (n < 4)
code = get_vlc2(&s->gb, dc_lum.table, DC_VLC_BITS, 1);
else
code = get_vlc2(&s->gb, dc_chrom.table, DC_VLC_BITS, 1);
if (code < 0 || code > 9 /* && s->nbit<9 */){
- fprintf(stderr, "illegal dc vlc\n");
+ av_log(s->avctx, AV_LOG_ERROR, "illegal dc vlc\n");
return -1;
}
if (code == 0) {
if (code > 8){
if(get_bits1(&s->gb)==0){ /* marker */
if(s->error_resilience>=2){
- fprintf(stderr, "dc marker bit missing\n");
+ av_log(s->avctx, AV_LOG_ERROR, "dc marker bit missing\n");
return -1;
}
}
}
}
- pred = ff_mpeg4_pred_dc(s, n, &dc_val, dir_ptr);
- level += pred;
- if (level < 0){
- if(s->error_resilience>=3){
- fprintf(stderr, "dc<0 at %dx%d\n", s->mb_x, s->mb_y);
- return -1;
- }
- level = 0;
- }
- if (n < 4) {
- *dc_val = level * s->y_dc_scale;
- } else {
- *dc_val = level * s->c_dc_scale;
- }
- if(IS_3IV1)
- *dc_val = level * 8;
-
- if(s->error_resilience>=3){
- if(*dc_val > 2048 + s->y_dc_scale + s->c_dc_scale){
- fprintf(stderr, "dc overflow at %dx%d\n", s->mb_x, s->mb_y);
- return -1;
- }
- }
- return level;
+
+ return ff_mpeg4_pred_dc(s, n, level, dir_ptr, 0);
}
/**
OPEN_READER(re, &s->gb);
for(;;) {
UPDATE_CACHE(re, &s->gb);
- GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2);
+ GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2, 0);
if (level==0) {
/* escape */
if(rvlc){
if(SHOW_UBITS(re, &s->gb, 1)==0){
- fprintf(stderr, "1. marker bit missing in rvlc esc\n");
+ av_log(s->avctx, AV_LOG_ERROR, "1. marker bit missing in rvlc esc\n");
return -1;
}; SKIP_CACHE(re, &s->gb, 1);
UPDATE_CACHE(re, &s->gb);
if(SHOW_UBITS(re, &s->gb, 1)==0){
- fprintf(stderr, "2. marker bit missing in rvlc esc\n");
+ av_log(s->avctx, AV_LOG_ERROR, "2. marker bit missing in rvlc esc\n");
return -1;
}; SKIP_CACHE(re, &s->gb, 1);
level= SHOW_UBITS(re, &s->gb, 11); SKIP_CACHE(re, &s->gb, 11);
if(SHOW_UBITS(re, &s->gb, 5)!=0x10){
- fprintf(stderr, "reverse esc missing\n");
+ av_log(s->avctx, AV_LOG_ERROR, "reverse esc missing\n");
return -1;
}; SKIP_CACHE(re, &s->gb, 5);
level= SHOW_SBITS(re, &s->gb, 12); LAST_SKIP_BITS(re, &s->gb, 12);
}else{
if(SHOW_UBITS(re, &s->gb, 1)==0){
- fprintf(stderr, "1. marker bit missing in 3. esc\n");
+ av_log(s->avctx, AV_LOG_ERROR, "1. marker bit missing in 3. esc\n");
return -1;
}; SKIP_CACHE(re, &s->gb, 1);
level= SHOW_SBITS(re, &s->gb, 12); SKIP_CACHE(re, &s->gb, 12);
if(SHOW_UBITS(re, &s->gb, 1)==0){
- fprintf(stderr, "2. marker bit missing in 3. esc\n");
+ av_log(s->avctx, AV_LOG_ERROR, "2. marker bit missing in 3. esc\n");
return -1;
}; LAST_SKIP_CACHE(re, &s->gb, 1);
SKIP_COUNTER(re, &s->gb, 1+12+1);
}
- if(level*s->qscale>1024 || level*s->qscale<-1024){
- fprintf(stderr, "|level| overflow in 3. esc, qp=%d\n", s->qscale);
- return -1;
- }
#if 0
if(s->error_resilience >= FF_ER_COMPLIANT){
const int abs_level= ABS(level);
if(abs_level<=MAX_LEVEL && run<=MAX_RUN){
const int run1= run - rl->max_run[last][abs_level] - 1;
if(abs_level <= rl->max_level[last][run]){
- fprintf(stderr, "illegal 3. esc, vlc encoding possible\n");
+ av_log(s->avctx, AV_LOG_ERROR, "illegal 3. esc, vlc encoding possible\n");
return -1;
}
if(s->error_resilience > FF_ER_COMPLIANT){
if (level>0) level= level * qmul + qadd;
else level= level * qmul - qadd;
+ if((unsigned)(level + 2048) > 4095){
+ if(s->error_resilience > FF_ER_COMPLIANT){
+ if(level > 2560 || level<-2560){
+ av_log(s->avctx, AV_LOG_ERROR, "|level| overflow in 3. esc, qp=%d\n", s->qscale);
+ return -1;
+ }
+ }
+ level= level<0 ? -2048 : 2047;
+ }
+
i+= run + 1;
if(last) i+=192;
} else {
#else
SKIP_BITS(re, &s->gb, 2);
#endif
- GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2);
+ GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2, 1);
i+= run + rl->max_run[run>>7][level/qmul] +1; //FIXME opt indexing
level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
LAST_SKIP_BITS(re, &s->gb, 1);
#else
SKIP_BITS(re, &s->gb, 1);
#endif
- GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2);
+ GET_RL_VLC(level, run, re, &s->gb, rl_vlc, TEX_VLC_BITS, 2, 1);
i+= run;
level = level + rl->max_level[run>>7][(run-1)&63] * qmul;//FIXME opt indexing
level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
if (i > 62){
i-= 192;
if(i&(~63)){
- fprintf(stderr, "ac-tex damaged at %d %d\n", s->mb_x, s->mb_y);
+ av_log(s->avctx, AV_LOG_ERROR, "ac-tex damaged at %d %d\n", s->mb_x, s->mb_y);
return -1;
}
not_coded:
if (intra) {
if(s->qscale >= s->intra_dc_threshold){
- uint16_t *dc_val;
- block[0] += ff_mpeg4_pred_dc(s, n, &dc_val, &dc_pred_dir);
- if (n < 4) {
- *dc_val = block[0] * s->y_dc_scale;
- } else {
- *dc_val = block[0] * s->c_dc_scale;
- }
-
+ block[0] = ff_mpeg4_pred_dc(s, n, block[0], &dc_pred_dir, 0);
+
if(i == -1) i=0;
}
}
if (startcode != 0x20) {
- fprintf(stderr, "Bad picture start code\n");
+ av_log(s->avctx, AV_LOG_ERROR, "Bad picture start code\n");
return -1;
}
/* temporal reference */
- s->picture_number = get_bits(&s->gb, 8); /* picture timestamp */
+ i = get_bits(&s->gb, 8); /* picture timestamp */
+ if( (s->picture_number&~0xFF)+i < s->picture_number)
+ i+= 256;
+ s->picture_number= (s->picture_number&~0xFF) + i;
/* PTYPE starts here */
if (get_bits1(&s->gb) != 1) {
/* marker */
- fprintf(stderr, "Bad marker\n");
+ av_log(s->avctx, AV_LOG_ERROR, "Bad marker\n");
return -1;
}
if (get_bits1(&s->gb) != 0) {
- fprintf(stderr, "Bad H263 id\n");
+ av_log(s->avctx, AV_LOG_ERROR, "Bad H263 id\n");
return -1; /* h263 id */
}
skip_bits1(&s->gb); /* split screen off */
skip_bits1(&s->gb); /* camera off */
skip_bits1(&s->gb); /* freeze picture release off */
- /* Reset GOB number */
- s->gob_number = 0;
-
format = get_bits(&s->gb, 3);
/*
0 forbidden
s->pict_type = I_TYPE + get_bits1(&s->gb);
- s->unrestricted_mv = get_bits1(&s->gb);
- s->h263_long_vectors = s->unrestricted_mv;
+ s->h263_long_vectors = get_bits1(&s->gb);
if (get_bits1(&s->gb) != 0) {
- fprintf(stderr, "H263 SAC not supported\n");
+ av_log(s->avctx, AV_LOG_ERROR, "H263 SAC not supported\n");
return -1; /* SAC: off */
}
- if (get_bits1(&s->gb) != 0) {
- s->mv_type = MV_TYPE_8X8; /* Advanced prediction mode */
- }
+ s->obmc= get_bits1(&s->gb); /* Advanced prediction mode */
+ s->unrestricted_mv = s->h263_long_vectors || s->obmc;
if (get_bits1(&s->gb) != 0) {
- fprintf(stderr, "H263 PB frame not supported\n");
+ av_log(s->avctx, AV_LOG_ERROR, "H263 PB frame not supported\n");
return -1; /* not PB frame */
}
- s->qscale = get_bits(&s->gb, 5);
+ s->chroma_qscale= s->qscale = get_bits(&s->gb, 5);
skip_bits1(&s->gb); /* Continuous Presence Multipoint mode: off */
s->width = width;
s->height = height;
+ s->avctx->sample_aspect_ratio= (AVRational){12,11};
+ s->avctx->frame_rate = 30000;
+ s->avctx->frame_rate_base= 1001;
} else {
int ufep;
/* OPPTYPE */
format = get_bits(&s->gb, 3);
dprintf("ufep=1, format: %d\n", format);
- skip_bits(&s->gb,1); /* Custom PCF */
+ s->custom_pcf= get_bits1(&s->gb);
s->umvplus = get_bits(&s->gb, 1); /* Unrestricted Motion Vector */
- s->unrestricted_mv = s->umvplus;
- skip_bits1(&s->gb); /* Syntax-based Arithmetic Coding (SAC) */
- if (get_bits1(&s->gb) != 0) {
- s->mv_type = MV_TYPE_8X8; /* Advanced prediction mode */
- }
- if (get_bits1(&s->gb) != 0) { /* Advanced Intra Coding (AIC) */
- s->h263_aic = 1;
- }
-
if (get_bits1(&s->gb) != 0) {
- fprintf(stderr, "Deblocking Filter not supported\n");
- }
- if (get_bits1(&s->gb) != 0) {
- fprintf(stderr, "Slice Structured not supported\n");
- }
- if (get_bits1(&s->gb) != 0) {
- fprintf(stderr, "Reference Picture Selection not supported\n");
- }
- if (get_bits1(&s->gb) != 0) {
- fprintf(stderr, "Independent Segment Decoding not supported\n");
+ av_log(s->avctx, AV_LOG_ERROR, "Syntax-based Arithmetic Coding (SAC) not supported\n");
}
+ s->obmc= get_bits1(&s->gb); /* Advanced prediction mode */
+ s->h263_aic = get_bits1(&s->gb); /* Advanced Intra Coding (AIC) */
+ s->loop_filter= get_bits1(&s->gb);
+ s->unrestricted_mv = s->umvplus || s->obmc || s->loop_filter;
+
+ s->h263_slice_structured= get_bits1(&s->gb);
if (get_bits1(&s->gb) != 0) {
- fprintf(stderr, "Alternative Inter VLC not supported\n");
+ av_log(s->avctx, AV_LOG_ERROR, "Reference Picture Selection not supported\n");
}
if (get_bits1(&s->gb) != 0) {
- fprintf(stderr, "Modified Quantization not supported\n");
+ av_log(s->avctx, AV_LOG_ERROR, "Independent Segment Decoding not supported\n");
}
+ s->alt_inter_vlc= get_bits1(&s->gb);
+ s->modified_quant= get_bits1(&s->gb);
+ if(s->modified_quant)
+ s->chroma_qscale_table= ff_h263_chroma_qscale_table;
skip_bits(&s->gb, 1); /* Prevent start code emulation */
skip_bits(&s->gb, 3); /* Reserved */
} else if (ufep != 0) {
- fprintf(stderr, "Bad UFEP type (%d)\n", ufep);
+ av_log(s->avctx, AV_LOG_ERROR, "Bad UFEP type (%d)\n", ufep);
return -1;
}
/* MPPTYPE */
- s->pict_type = get_bits(&s->gb, 3) + I_TYPE;
- dprintf("pict_type: %d\n", s->pict_type);
- if (s->pict_type == 8 && s->avctx->codec_tag == ff_get_fourcc("ZYGO"))
- s->pict_type = I_TYPE;
- if (s->pict_type != I_TYPE &&
- s->pict_type != P_TYPE)
+ s->pict_type = get_bits(&s->gb, 3);
+ switch(s->pict_type){
+ case 0: s->pict_type= I_TYPE;break;
+ case 1: s->pict_type= P_TYPE;break;
+ case 3: s->pict_type= B_TYPE;break;
+ case 7: s->pict_type= I_TYPE;break; //ZYGO
+ default:
return -1;
+ }
skip_bits(&s->gb, 2);
s->no_rounding = get_bits1(&s->gb);
- dprintf("RTYPE: %d\n", s->no_rounding);
skip_bits(&s->gb, 4);
/* Get the picture dimensions */
} else {
width = h263_format[format][0];
height = h263_format[format][1];
+ s->avctx->sample_aspect_ratio= (AVRational){12,11};
}
if ((width == 0) || (height == 0))
return -1;
s->width = width;
s->height = height;
+
+ if(s->custom_pcf){
+ int gcd;
+ s->avctx->frame_rate= 1800000;
+ s->avctx->frame_rate_base= 1000 + get_bits1(&s->gb);
+ s->avctx->frame_rate_base*= get_bits(&s->gb, 7);
+ if(s->avctx->frame_rate_base == 0){
+ av_log(s, AV_LOG_ERROR, "zero framerate\n");
+ return -1;
+ }
+ gcd= ff_gcd(s->avctx->frame_rate, s->avctx->frame_rate_base);
+ s->avctx->frame_rate /= gcd;
+ s->avctx->frame_rate_base /= gcd;
+// av_log(s->avctx, AV_LOG_DEBUG, "%d/%d\n", s->avctx->frame_rate, s->avctx->frame_rate_base);
+ }else{
+ s->avctx->frame_rate = 30000;
+ s->avctx->frame_rate_base= 1001;
+ }
+ }
+
+ if(s->custom_pcf){
+ skip_bits(&s->gb, 2); //extended Temporal reference
+ }
+
+ if (ufep) {
if (s->umvplus) {
if(get_bits1(&s->gb)==0) /* Unlimited Unrestricted Motion Vectors Indicator (UUI) */
skip_bits1(&s->gb);
}
+ if(s->h263_slice_structured){
+ if (get_bits1(&s->gb) != 0) {
+ av_log(s->avctx, AV_LOG_ERROR, "rectangular slices not supported\n");
+ }
+ if (get_bits1(&s->gb) != 0) {
+ av_log(s->avctx, AV_LOG_ERROR, "unordered slices not supported\n");
+ }
+ }
}
s->qscale = get_bits(&s->gb, 5);
}
+
+ s->mb_width = (s->width + 15) / 16;
+ s->mb_height = (s->height + 15) / 16;
+ s->mb_num = s->mb_width * s->mb_height;
+
/* PEI */
while (get_bits1(&s->gb) != 0) {
skip_bits(&s->gb, 8);
}
+
+ if(s->h263_slice_structured){
+ if (get_bits1(&s->gb) != 1) {
+ av_log(s->avctx, AV_LOG_ERROR, "SEPB1 marker missing\n");
+ return -1;
+ }
+
+ ff_h263_decode_mba(s);
+
+ if (get_bits1(&s->gb) != 1) {
+ av_log(s->avctx, AV_LOG_ERROR, "SEPB2 marker missing\n");
+ return -1;
+ }
+ }
s->f_code = 1;
if(s->h263_aic){
s->y_dc_scale_table=
- s->c_dc_scale_table= h263_aic_dc_scale_table;
+ s->c_dc_scale_table= ff_aic_dc_scale_table;
}else{
s->y_dc_scale_table=
s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
}
if(s->avctx->debug&FF_DEBUG_PICT_INFO){
- printf("qp:%d %c size:%d rnd:%d %s %s %s %s\n",
+ av_log(s->avctx, AV_LOG_DEBUG, "qp:%d %c size:%d rnd:%d%s%s%s%s%s%s%s%s%s %d/%d\n",
s->qscale, av_get_pict_type_char(s->pict_type),
s->gb.size_in_bits, 1-s->no_rounding,
- s->mv_type == MV_TYPE_8X8 ? "ADV" : "",
- s->umvplus ? "UMV" : "",
- s->h263_long_vectors ? "LONG" : "",
- s->h263_plus ? "+" : ""
+ s->obmc ? " AP" : "",
+ s->umvplus ? " UMV" : "",
+ s->h263_long_vectors ? " LONG" : "",
+ s->h263_plus ? " +" : "",
+ s->h263_aic ? " AIC" : "",
+ s->alt_inter_vlc ? " AIV" : "",
+ s->modified_quant ? " MQ" : "",
+ s->loop_filter ? " LOOP" : "",
+ s->h263_slice_structured ? " SS" : "",
+ s->avctx->frame_rate, s->avctx->frame_rate_base
);
}
#if 1
if (s->pict_type == I_TYPE && s->avctx->codec_tag == ff_get_fourcc("ZYGO")){
int i,j;
- for(i=0; i<85; i++) printf("%d", get_bits1(&s->gb));
- printf("\n");
+ for(i=0; i<85; i++) av_log(s->avctx, AV_LOG_DEBUG, "%d", get_bits1(&s->gb));
+ av_log(s->avctx, AV_LOG_DEBUG, "\n");
for(i=0; i<13; i++){
for(j=0; j<3; j++){
int v= get_bits(&s->gb, 8);
v |= get_sbits(&s->gb, 8)<<8;
- printf(" %5d", v);
+ av_log(s->avctx, AV_LOG_DEBUG, " %5d", v);
}
- printf("\n");
+ av_log(s->avctx, AV_LOG_DEBUG, "\n");
}
- for(i=0; i<50; i++) printf("%d", get_bits1(&s->gb));
+ for(i=0; i<50; i++) av_log(s->avctx, AV_LOG_DEBUG, "%d", get_bits1(&s->gb));
}
#endif
return 0;
}
-static void mpeg4_decode_sprite_trajectory(MpegEncContext * s)
+static void mpeg4_decode_sprite_trajectory(MpegEncContext * s, GetBitContext *gb)
{
int i;
int a= 2<<s->sprite_warping_accuracy;
int length;
int x=0, y=0;
- length= get_vlc(&s->gb, &sprite_trajectory);
+ length= get_vlc(gb, &sprite_trajectory);
if(length){
- x= get_xbits(&s->gb, length);
+ x= get_xbits(gb, length);
}
- if(!(s->divx_version==500 && s->divx_build==413)) skip_bits1(&s->gb); /* marker bit */
+ if(!(s->divx_version==500 && s->divx_build==413)) skip_bits1(gb); /* marker bit */
- length= get_vlc(&s->gb, &sprite_trajectory);
+ length= get_vlc(gb, &sprite_trajectory);
if(length){
- y=get_xbits(&s->gb, length);
+ y=get_xbits(gb, length);
}
- skip_bits1(&s->gb); /* marker bit */
+ skip_bits1(gb); /* marker bit */
//printf("%d %d %d %d\n", x, y, i, s->sprite_warping_accuracy);
d[i][0]= x;
d[i][1]= y;
if ((s->vol_control_parameters=get_bits1(gb))) { /* vol control parameter */
int chroma_format= get_bits(gb, 2);
if(chroma_format!=1){
- printf("illegal chroma format\n");
+ av_log(s->avctx, AV_LOG_ERROR, "illegal chroma format\n");
}
s->low_delay= get_bits1(gb);
if(get_bits1(gb)){ /* vbv parameters */
}
s->shape = get_bits(gb, 2); /* vol shape */
- if(s->shape != RECT_SHAPE) printf("only rectangular vol supported\n");
+ if(s->shape != RECT_SHAPE) av_log(s->avctx, AV_LOG_ERROR, "only rectangular vol supported\n");
if(s->shape == GRAY_SHAPE && vo_ver_id != 1){
- printf("Gray shape not supported\n");
+ av_log(s->avctx, AV_LOG_ERROR, "Gray shape not supported\n");
skip_bits(gb, 4); //video_object_layer_shape_extension
}
if (get_bits1(gb) != 0) { /* fixed_vop_rate */
skip_bits(gb, s->time_increment_bits);
}
+
+ s->t_frame=0;
if (s->shape != BIN_ONLY_SHAPE) {
if (s->shape == RECT_SHAPE) {
skip_bits1(gb); /* marker */
height = get_bits(gb, 13);
skip_bits1(gb); /* marker */
- if(width && height){ /* they should be non zero but who knows ... */
+ if(width && height && !(s->width && s->avctx->codec_tag == ff_get_fourcc("MP4S"))){ /* they should be non zero but who knows ... */
s->width = width;
s->height = height;
// printf("width/height: %d %d\n", width, height);
}
}
- s->progressive_sequence= get_bits1(gb)^1;
+ s->progressive_sequence=
+ s->progressive_frame= get_bits1(gb)^1;
if(!get_bits1(gb) && (s->avctx->debug & FF_DEBUG_PICT_INFO))
- printf("OBMC not supported (very likely buggy encoder)\n"); /* OBMC Disable */
+ av_log(s->avctx, AV_LOG_INFO, "MPEG4 OBMC not supported (very likely buggy encoder)\n"); /* OBMC Disable */
if (vo_ver_id == 1) {
s->vol_sprite_usage = get_bits1(gb); /* vol_sprite_usage */
} else {
s->vol_sprite_usage = get_bits(gb, 2); /* vol_sprite_usage */
}
- if(s->vol_sprite_usage==STATIC_SPRITE) printf("Static Sprites not supported\n");
+ if(s->vol_sprite_usage==STATIC_SPRITE) av_log(s->avctx, AV_LOG_ERROR, "Static Sprites not supported\n");
if(s->vol_sprite_usage==STATIC_SPRITE || s->vol_sprite_usage==GMC_SPRITE){
if(s->vol_sprite_usage==STATIC_SPRITE){
s->sprite_width = get_bits(gb, 13);
if (get_bits1(gb) == 1) { /* not_8_bit */
s->quant_precision = get_bits(gb, 4); /* quant_precision */
- if(get_bits(gb, 4)!=8) printf("N-bit not supported\n"); /* bits_per_pixel */
- if(s->quant_precision!=5) printf("quant precission %d\n", s->quant_precision);
+ if(get_bits(gb, 4)!=8) av_log(s->avctx, AV_LOG_ERROR, "N-bit not supported\n"); /* bits_per_pixel */
+ if(s->quant_precision!=5) av_log(s->avctx, AV_LOG_ERROR, "quant precision %d\n", s->quant_precision);
} else {
s->quant_precision = 5;
}
s->quarter_sample= get_bits1(gb);
else s->quarter_sample=0;
- if(!get_bits1(gb)) printf("Complexity estimation not supported\n");
+ if(!get_bits1(gb)) av_log(s->avctx, AV_LOG_ERROR, "Complexity estimation not supported\n");
s->resync_marker= !get_bits1(gb); /* resync_marker_disabled */
if(vo_ver_id != 1) {
s->new_pred= get_bits1(gb);
if(s->new_pred){
- printf("new pred not supported\n");
+ av_log(s->avctx, AV_LOG_ERROR, "new pred not supported\n");
skip_bits(gb, 2); /* requested upstream message type */
skip_bits1(gb); /* newpred segment type */
}
s->reduced_res_vop= get_bits1(gb);
- if(s->reduced_res_vop) printf("reduced resolution VOP not supported\n");
+ if(s->reduced_res_vop) av_log(s->avctx, AV_LOG_ERROR, "reduced resolution VOP not supported\n");
}
else{
s->new_pred=0;
*gb= bak;
}else
- printf("scalability not supported\n");
+ av_log(s->avctx, AV_LOG_ERROR, "scalability not supported\n");
// bin shape stuff FIXME
}
s->pict_type = get_bits(gb, 2) + I_TYPE; /* pict type: I = 0 , P = 1 */
if(s->pict_type==B_TYPE && s->low_delay && s->vol_control_parameters==0 && !(s->flags & CODEC_FLAG_LOW_DELAY)){
- printf("low_delay flag set, but shouldnt, clearing it\n");
+ av_log(s->avctx, AV_LOG_ERROR, "low_delay flag incorrectly, clearing it\n");
s->low_delay=0;
}
if(s->partitioned_frame)
s->decode_mb= mpeg4_decode_partitioned_mb;
else
- s->decode_mb= ff_h263_decode_mb;
+ s->decode_mb= ff_mpeg4_decode_mb;
if(s->time_increment_resolution==0){
s->time_increment_resolution=1;
check_marker(gb, "before time_increment");
if(s->time_increment_bits==0){
- printf("hmm, seems the headers arnt complete, trying to guess time_increment_bits\n");
+ av_log(s->avctx, AV_LOG_ERROR, "hmm, seems the headers are not complete, trying to guess time_increment_bits\n");
for(s->time_increment_bits=1 ;s->time_increment_bits<16; s->time_increment_bits++){
if(show_bits(gb, s->time_increment_bits+1)&1) break;
}
- printf("my guess is %d bits ;)\n",s->time_increment_bits);
+ av_log(s->avctx, AV_LOG_ERROR, "my guess is %d bits ;)\n",s->time_increment_bits);
}
if(IS_3IV1) time_increment= get_bits1(gb); //FIXME investigate further
else time_increment= get_bits(gb, s->time_increment_bits);
// printf("%d %X\n", s->time_increment_bits, time_increment);
-//printf(" type:%d modulo_time_base:%d increment:%d\n", s->pict_type, time_incr, time_increment);
+//av_log(s->avctx, AV_LOG_DEBUG, " type:%d modulo_time_base:%d increment:%d t_frame %d\n", s->pict_type, time_incr, time_increment, s->t_frame);
if(s->pict_type!=B_TYPE){
s->last_time_base= s->time_base;
s->time_base+= time_incr;
s->time= (s->last_time_base + time_incr)*s->time_increment_resolution + time_increment;
s->pb_time= s->pp_time - (s->last_non_b_time - s->time);
if(s->pp_time <=s->pb_time || s->pp_time <= s->pp_time - s->pb_time || s->pp_time<=0){
-// printf("messed up order, seeking?, skiping current b frame\n");
- return FRAME_SKIPED;
+// printf("messed up order, maybe after seeking? skipping current b frame\n");
+ return FRAME_SKIPPED;
}
- if(s->t_frame==0) s->t_frame= s->time - s->last_time_base;
+ if(s->t_frame==0) s->t_frame= s->pb_time;
if(s->t_frame==0) s->t_frame=1; // 1/0 protection
-//printf("%Ld %Ld %d %d\n", s->last_non_b_time, s->time, s->pp_time, s->t_frame); fflush(stdout);
s->pp_field_time= ( ROUNDED_DIV(s->last_non_b_time, s->t_frame)
- ROUNDED_DIV(s->last_non_b_time - s->pp_time, s->t_frame))*2;
s->pb_field_time= ( ROUNDED_DIV(s->time, s->t_frame)
- ROUNDED_DIV(s->last_non_b_time - s->pp_time, s->t_frame))*2;
}
+//av_log(s->avctx, AV_LOG_DEBUG, "last nonb %Ld last_base %d time %Ld pp %d pb %d t %d ppf %d pbf %d\n", s->last_non_b_time, s->last_time_base, s->time, s->pp_time, s->pb_time, s->t_frame, s->pp_field_time, s->pb_field_time);
- s->current_picture_ptr->pts= s->time*1000LL*1000LL / s->time_increment_resolution;
+ s->current_picture_ptr->pts= s->time*(int64_t)AV_TIME_BASE / s->time_increment_resolution;
if(s->avctx->debug&FF_DEBUG_PTS)
- printf("MPEG4 PTS: %f\n", s->current_picture_ptr->pts/(1000.0*1000.0));
-
+ av_log(s->avctx, AV_LOG_DEBUG, "MPEG4 PTS: %f\n", s->current_picture_ptr->pts/(float)AV_TIME_BASE);
+
check_marker(gb, "before vop_coded");
/* vop coded */
if (get_bits1(gb) != 1){
- printf("vop not coded\n");
- return FRAME_SKIPED;
+ if(s->avctx->debug&FF_DEBUG_PICT_INFO)
+ av_log(s->avctx, AV_LOG_ERROR, "vop not coded\n");
+ return FRAME_SKIPPED;
}
//printf("time %d %d %d || %Ld %Ld %Ld\n", s->time_increment_bits, s->time_increment_resolution, s->time_base,
//s->time, s->last_non_b_time, s->last_non_b_time - s->pp_time);
}
if(s->pict_type == S_TYPE && (s->vol_sprite_usage==STATIC_SPRITE || s->vol_sprite_usage==GMC_SPRITE)){
- mpeg4_decode_sprite_trajectory(s);
- if(s->sprite_brightness_change) printf("sprite_brightness_change not supported\n");
- if(s->vol_sprite_usage==STATIC_SPRITE) printf("static sprite not supported\n");
+ mpeg4_decode_sprite_trajectory(s, gb);
+ if(s->sprite_brightness_change) av_log(s->avctx, AV_LOG_ERROR, "sprite_brightness_change not supported\n");
+ if(s->vol_sprite_usage==STATIC_SPRITE) av_log(s->avctx, AV_LOG_ERROR, "static sprite not supported\n");
}
if (s->shape != BIN_ONLY_SHAPE) {
- s->qscale = get_bits(gb, s->quant_precision);
+ s->chroma_qscale= s->qscale = get_bits(gb, s->quant_precision);
if(s->qscale==0){
- printf("Error, header damaged or not MPEG4 header (qscale=0)\n");
+ av_log(s->avctx, AV_LOG_ERROR, "Error, header damaged or not MPEG4 header (qscale=0)\n");
return -1; // makes no sense to continue, as there is nothing left from the image then
}
if (s->pict_type != I_TYPE) {
s->f_code = get_bits(gb, 3); /* fcode_for */
if(s->f_code==0){
- printf("Error, header damaged or not MPEG4 header (f_code=0)\n");
+ av_log(s->avctx, AV_LOG_ERROR, "Error, header damaged or not MPEG4 header (f_code=0)\n");
return -1; // makes no sense to continue, as the MV decoding will break very quickly
}
}else
s->b_code=1;
if(s->avctx->debug&FF_DEBUG_PICT_INFO){
- printf("qp:%d fc:%d,%d %s size:%d pro:%d alt:%d top:%d %spel part:%d resync:%d w:%d a:%d rnd:%d vot:%d%s dc:%d\n",
+ av_log(s->avctx, AV_LOG_DEBUG, "qp:%d fc:%d,%d %s size:%d pro:%d alt:%d top:%d %spel part:%d resync:%d w:%d a:%d rnd:%d vot:%d%s dc:%d\n",
s->qscale, s->f_code, s->b_code,
s->pict_type == I_TYPE ? "I" : (s->pict_type == P_TYPE ? "P" : (s->pict_type == B_TYPE ? "B" : "S")),
gb->size_in_bits,s->progressive_sequence, s->alternate_scan, s->top_field_first,
if(s->enhancement_type){
int load_backward_shape= get_bits1(gb);
if(load_backward_shape){
- printf("load backward shape isnt supported\n");
+ av_log(s->avctx, AV_LOG_ERROR, "load backward shape isnt supported\n");
}
}
skip_bits(gb, 2); //ref_select_code
/* detect buggy encoders which dont set the low_delay flag (divx4/xvid/opendivx)*/
// note we cannot detect divx5 without b-frames easyly (allthough its buggy too)
if(s->vo_type==0 && s->vol_control_parameters==0 && s->divx_version==0 && s->picture_number==0){
- printf("looks like this file was encoded with (divx4/(old)xvid/opendivx) -> forcing low_delay flag\n");
+ av_log(s->avctx, AV_LOG_ERROR, "looks like this file was encoded with (divx4/(old)xvid/opendivx) -> forcing low_delay flag\n");
s->low_delay=1;
}
/* search next start code */
align_get_bits(gb);
+
+ if(s->avctx->codec_tag == ff_get_fourcc("WV1F") && show_bits(gb, 24) == 0x575630){
+ skip_bits(gb, 24);
+ if(get_bits(gb, 8) == 0xF0)
+ return decode_vop_header(s, gb);
+ }
+
startcode = 0xff;
for(;;) {
v = get_bits(gb, 8);
startcode = ((startcode << 8) | v) & 0xffffffff;
if(get_bits_count(gb) >= gb->size_in_bits){
- if(gb->size_in_bits==8 && s->divx_version){
- printf("frame skip %d\n", gb->size_in_bits);
- return FRAME_SKIPED; //divx bug
+ if(gb->size_in_bits==8 && (s->divx_version || s->xvid_build)){
+ av_log(s->avctx, AV_LOG_ERROR, "frame skip %d\n", gb->size_in_bits);
+ return FRAME_SKIPPED; //divx bug
}else
return -1; //end of stream
}
continue; //no startcode
if(s->avctx->debug&FF_DEBUG_STARTCODE){
- printf("startcode: %3X ", startcode);
- if (startcode<=0x11F) printf("Video Object Start");
- else if(startcode<=0x12F) printf("Video Object Layer Start");
- else if(startcode<=0x13F) printf("Reserved");
- else if(startcode<=0x15F) printf("FGS bp start");
- else if(startcode<=0x1AF) printf("Reserved");
- else if(startcode==0x1B0) printf("Visual Object Seq Start");
- else if(startcode==0x1B1) printf("Visual Object Seq End");
- else if(startcode==0x1B2) printf("User Data");
- else if(startcode==0x1B3) printf("Group of VOP start");
- else if(startcode==0x1B4) printf("Video Session Error");
- else if(startcode==0x1B5) printf("Visual Object Start");
- else if(startcode==0x1B6) printf("Video Object Plane start");
- else if(startcode==0x1B7) printf("slice start");
- else if(startcode==0x1B8) printf("extension start");
- else if(startcode==0x1B9) printf("fgs start");
- else if(startcode==0x1BA) printf("FBA Object start");
- else if(startcode==0x1BB) printf("FBA Object Plane start");
- else if(startcode==0x1BC) printf("Mesh Object start");
- else if(startcode==0x1BD) printf("Mesh Object Plane start");
- else if(startcode==0x1BE) printf("Still Textutre Object start");
- else if(startcode==0x1BF) printf("Textutre Spatial Layer start");
- else if(startcode==0x1C0) printf("Textutre SNR Layer start");
- else if(startcode==0x1C1) printf("Textutre Tile start");
- else if(startcode==0x1C2) printf("Textutre Shape Layer start");
- else if(startcode==0x1C3) printf("stuffing start");
- else if(startcode<=0x1C5) printf("reserved");
- else if(startcode<=0x1FF) printf("System start");
- printf(" at %d\n", get_bits_count(gb));
+ av_log(s->avctx, AV_LOG_DEBUG, "startcode: %3X ", startcode);
+ if (startcode<=0x11F) av_log(s->avctx, AV_LOG_DEBUG, "Video Object Start");
+ else if(startcode<=0x12F) av_log(s->avctx, AV_LOG_DEBUG, "Video Object Layer Start");
+ else if(startcode<=0x13F) av_log(s->avctx, AV_LOG_DEBUG, "Reserved");
+ else if(startcode<=0x15F) av_log(s->avctx, AV_LOG_DEBUG, "FGS bp start");
+ else if(startcode<=0x1AF) av_log(s->avctx, AV_LOG_DEBUG, "Reserved");
+ else if(startcode==0x1B0) av_log(s->avctx, AV_LOG_DEBUG, "Visual Object Seq Start");
+ else if(startcode==0x1B1) av_log(s->avctx, AV_LOG_DEBUG, "Visual Object Seq End");
+ else if(startcode==0x1B2) av_log(s->avctx, AV_LOG_DEBUG, "User Data");
+ else if(startcode==0x1B3) av_log(s->avctx, AV_LOG_DEBUG, "Group of VOP start");
+ else if(startcode==0x1B4) av_log(s->avctx, AV_LOG_DEBUG, "Video Session Error");
+ else if(startcode==0x1B5) av_log(s->avctx, AV_LOG_DEBUG, "Visual Object Start");
+ else if(startcode==0x1B6) av_log(s->avctx, AV_LOG_DEBUG, "Video Object Plane start");
+ else if(startcode==0x1B7) av_log(s->avctx, AV_LOG_DEBUG, "slice start");
+ else if(startcode==0x1B8) av_log(s->avctx, AV_LOG_DEBUG, "extension start");
+ else if(startcode==0x1B9) av_log(s->avctx, AV_LOG_DEBUG, "fgs start");
+ else if(startcode==0x1BA) av_log(s->avctx, AV_LOG_DEBUG, "FBA Object start");
+ else if(startcode==0x1BB) av_log(s->avctx, AV_LOG_DEBUG, "FBA Object Plane start");
+ else if(startcode==0x1BC) av_log(s->avctx, AV_LOG_DEBUG, "Mesh Object start");
+ else if(startcode==0x1BD) av_log(s->avctx, AV_LOG_DEBUG, "Mesh Object Plane start");
+ else if(startcode==0x1BE) av_log(s->avctx, AV_LOG_DEBUG, "Still Texture Object start");
+ else if(startcode==0x1BF) av_log(s->avctx, AV_LOG_DEBUG, "Texture Spatial Layer start");
+ else if(startcode==0x1C0) av_log(s->avctx, AV_LOG_DEBUG, "Texture SNR Layer start");
+ else if(startcode==0x1C1) av_log(s->avctx, AV_LOG_DEBUG, "Texture Tile start");
+ else if(startcode==0x1C2) av_log(s->avctx, AV_LOG_DEBUG, "Texture Shape Layer start");
+ else if(startcode==0x1C3) av_log(s->avctx, AV_LOG_DEBUG, "stuffing start");
+ else if(startcode<=0x1C5) av_log(s->avctx, AV_LOG_DEBUG, "reserved");
+ else if(startcode<=0x1FF) av_log(s->avctx, AV_LOG_DEBUG, "System start");
+ av_log(s->avctx, AV_LOG_DEBUG, " at %d\n", get_bits_count(gb));
}
if(startcode >= 0x120 && startcode <= 0x12F){
/* picture header */
if (get_bits_long(&s->gb, 22) != 0x20) {
- fprintf(stderr, "Bad picture start code\n");
+ av_log(s->avctx, AV_LOG_ERROR, "Bad picture start code\n");
return -1;
}
s->picture_number = get_bits(&s->gb, 8); /* picture timestamp */
if (get_bits1(&s->gb) != 1) {
- fprintf(stderr, "Bad marker\n");
+ av_log(s->avctx, AV_LOG_ERROR, "Bad marker\n");
return -1; /* marker */
}
if (get_bits1(&s->gb) != 0) {
- fprintf(stderr, "Bad H263 id\n");
+ av_log(s->avctx, AV_LOG_ERROR, "Bad H263 id\n");
return -1; /* h263 id */
}
skip_bits1(&s->gb); /* split screen off */
format = get_bits(&s->gb, 3);
if (format != 7) {
- fprintf(stderr, "Intel H263 free format not supported\n");
+ av_log(s->avctx, AV_LOG_ERROR, "Intel H263 free format not supported\n");
return -1;
}
s->h263_plus = 0;
s->h263_long_vectors = s->unrestricted_mv;
if (get_bits1(&s->gb) != 0) {
- fprintf(stderr, "SAC not supported\n");
+ av_log(s->avctx, AV_LOG_ERROR, "SAC not supported\n");
return -1; /* SAC: off */
}
if (get_bits1(&s->gb) != 0) {
- fprintf(stderr, "Advanced Prediction Mode not supported\n");
- return -1; /* advanced prediction mode: off */
+ s->obmc= 1;
+ av_log(s->avctx, AV_LOG_ERROR, "Advanced Prediction Mode not supported\n");
+// return -1; /* advanced prediction mode: off */
}
if (get_bits1(&s->gb) != 0) {
- fprintf(stderr, "PB frame mode no supported\n");
+ av_log(s->avctx, AV_LOG_ERROR, "PB frame mode no supported\n");
return -1; /* PB frame mode */
}
/* skip unknown header garbage */
skip_bits(&s->gb, 41);
- s->qscale = get_bits(&s->gb, 5);
+ s->chroma_qscale= s->qscale = get_bits(&s->gb, 5);
skip_bits1(&s->gb); /* Continuous Presence Multipoint mode: off */
/* PEI */
/* picture header */
if (get_bits_long(&s->gb, 17) != 1) {
- fprintf(stderr, "Bad picture start code\n");
+ av_log(s->avctx, AV_LOG_ERROR, "Bad picture start code\n");
return -1;
}
format = get_bits(&s->gb, 5);
if (format != 0 && format != 1) {
- fprintf(stderr, "Bad picture format\n");
+ av_log(s->avctx, AV_LOG_ERROR, "Bad picture format\n");
return -1;
}
s->h263_flv = format+1;
width = height = 0;
break;
}
- if ((width == 0) || (height == 0))
+ if(avcodec_check_dimensions(s->avctx, width, height))
return -1;
s->width = width;
s->height = height;
s->pict_type = I_TYPE + get_bits(&s->gb, 2);
- if (s->pict_type > P_TYPE)
+ s->dropable= s->pict_type > P_TYPE;
+ if (s->dropable)
s->pict_type = P_TYPE;
+
skip_bits1(&s->gb); /* deblocking flag */
- s->qscale = get_bits(&s->gb, 5);
+ s->chroma_qscale= s->qscale = get_bits(&s->gb, 5);
s->h263_plus = 0;
s->f_code = 1;
if(s->avctx->debug & FF_DEBUG_PICT_INFO){
- printf("%c esc_type:%d, qp:%d num:%d\n",
- av_get_pict_type_char(s->pict_type), s->h263_flv-1, s->qscale, s->picture_number);
+ av_log(s->avctx, AV_LOG_DEBUG, "%c esc_type:%d, qp:%d num:%d\n",
+ s->dropable ? 'D' : av_get_pict_type_char(s->pict_type), s->h263_flv-1, s->qscale, s->picture_number);
}
s->y_dc_scale_table=
projects / ffmpeg / blobdiff