#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, GetBitContext *gb);
-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);
#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(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]&CANDIDATE_MB_TYPE_INTER4V)){
- s->mb_type[mb_xy]&= ~CANDIDATE_MB_TYPE_INTER4V;
- s->mb_type[mb_xy]|= CANDIDATE_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
} 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->p_field_select_table[i][mb_index] + i;
- time_pb= s->pb_field_time - s->p_field_select_table[i][mb_index] + 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->p_field_select_table[i][mb_index] - i;
- time_pb= s->pb_field_time + s->p_field_select_table[i][mb_index] - 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->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;
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;
for(i=0; i<2; 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->p_field_select_table[i][mb_xy]= s->field_select[0][i];
}
+ 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->current_picture.motion_val[0][xy][0] = motion_x;
s->current_picture.motion_val[0][xy][1] = motion_y;
#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){
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)
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(mb_type == 0){
assert(s->mv_dir & MV_DIRECT);
- h263_encode_motion(s, motion_x, 1);
- h263_encode_motion(s, motion_y, 1);
+ ff_h263_encode_motion_vector(s, motion_x, motion_y, 1);
s->b_count++;
s->f_count++;
}else{
assert(mb_type > 0 && mb_type < 4);
if(s->mv_type != MV_TYPE_FIELD){
if(s->mv_dir & MV_DIR_FORWARD){
- 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);
+ 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){
- 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);
+ 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++;
}
if(s->mv_dir & MV_DIR_FORWARD){
for(i=0; i<2; i++){
- h263_encode_motion(s, s->mv[0][i][0] - s->last_mv[0][i][0] , s->f_code);
- h263_encode_motion(s, s->mv[0][i][1] - s->last_mv[0][i][1]/2, s->f_code);
+ 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;
}
}
if(s->mv_dir & MV_DIR_BACKWARD){
for(i=0; i<2; i++){
- h263_encode_motion(s, s->mv[1][i][0] - s->last_mv[1][i][0] , s->b_code);
- h263_encode_motion(s, s->mv[1][i][1] - s->last_mv[1][i][1]/2, s->b_code);
+ 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->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);
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;
b_pic= pic->data[0] + offset + 16; //FIXME +16
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);
}
/* 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);
+ 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,
}
/* motion vectors: 16x8 interlaced mode */
- h263_pred_motion(s, 0, &pred_x, &pred_y);
+ 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]);
- h263_encode_motion(s, s->mv[0][0][0] - pred_x, s->f_code);
- h263_encode_motion(s, s->mv[0][0][1] - pred_y, s->f_code);
- h263_encode_motion(s, s->mv[0][1][0] - pred_x, s->f_code);
- h263_encode_motion(s, s->mv[0][1][1] - pred_y, s->f_code);
+ 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,
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->current_picture.motion_val[0][ s->block_index[i] ][0] - pred_x, s->f_code);
- h263_encode_motion(s, s->current_picture.motion_val[0][ 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);
}
/* motion vectors: 16x16 mode */
- h263_pred_motion(s, 0, &pred_x, &pred_y);
+ h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
if (!s->umvplus) {
- h263_encode_motion(s, motion_x - pred_x, 1);
- h263_encode_motion(s, motion_y - pred_y, 1);
+ ff_h263_encode_motion_vector(s, motion_x - pred_x,
+ motion_y - pred_y, 1);
}
else {
h263p_encode_umotion(s, motion_x - pred_x);
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);
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) {
- h263_encode_motion(s, motion_x - pred_x, 1);
- h263_encode_motion(s, motion_y - pred_y, 1);
+ ff_h263_encode_motion_vector(s, motion_x - pred_x,
+ motion_y - pred_y, 1);
}
else {
h263p_encode_umotion(s, motion_x - pred_x);
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_cb-8*uvlinesize, uvlinesize, chroma_qp);
+ s->dsp.h263_h_loop_filter(dest_cr-8*uvlinesize, uvlinesize, chroma_qp);
}
}
}
/* 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;
/* find prediction */
if (n < 4) {
- x = 2 * s->mb_x + 1 + (n & 1);
- y = 2 * s->mb_y + 1 + (n>> 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;
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;
- static const int off[4]= {2, 1, 1, -1};
-
- wrap = s->block_wrap[0];
- xy = s->block_index[block];
-
- mot_val = s->current_picture.motion_val[0][xy];
-
- A = s->current_picture.motion_val[0][xy - 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)
- // and if we ever support non rectangular objects than we need to do a few ifs here anyway :(
- 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 && s->h263_pred){ //rare
- C = s->current_picture.motion_val[0][xy + off[block] - wrap];
- if(s->mb_x==0){
- *px = C[0];
- *py = C[1];
- }else{
- *px = mid_pred(A[0], 0, C[0]);
- *py = mid_pred(A[1], 0, C[1]);
- }
- }else{
- *px = A[0];
- *py = A[1];
- }
- }else if(block==1){
- if(s->mb_x + 1 == s->resync_mb_x && s->h263_pred){ //rare
- C = s->current_picture.motion_val[0][xy + off[block] - wrap];
- *px = mid_pred(A[0], 0, C[0]);
- *py = mid_pred(A[1], 0, C[1]);
- }else{
- *px = A[0];
- *py = A[1];
- }
- }else{ /* block==2*/
- B = s->current_picture.motion_val[0][xy - wrap];
- C = s->current_picture.motion_val[0][xy + off[block] - wrap];
- if(s->mb_x == s->resync_mb_x) //rare
- A[0]=A[1]=0;
-
- *px = mid_pred(A[0], B[0], C[0]);
- *py = mid_pred(A[1], B[1], C[1]);
- }
- } else {
- B = s->current_picture.motion_val[0][xy - wrap];
- C = s->current_picture.motion_val[0][xy + off[block] - wrap];
- *px = mid_pred(A[0], B[0], C[0]);
- *py = mid_pred(A[1], B[1], C[1]);
- }
- return mot_val;
-}
-
-// identical to above but with s->current_picture->motion_val, the above one will be removed, and this renamed to it
-int16_t *h263_pred_motion2(MpegEncContext * s, int block, int dir,
- int *px, int *py)
-{
- int xy, wrap;
+ int wrap;
int16_t *A, *B, *C, (*mot_val)[2];
static const int off[4]= {2, 1, 1, -1};
wrap = s->b8_stride;
- xy = 2*(s->mb_x + s->mb_y * wrap);
-
- mot_val = s->current_picture.motion_val[dir] + xy;
+ mot_val = s->current_picture.motion_val[dir] + s->block_index[block];
A = mot_val[ - 1];
/* special case for first (slice) line */
}
#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 */
}
}
+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->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); ?
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);
}
}
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 */
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);
/**
* 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 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);
+ &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);
+ &cbpc_b_tab[0][0], 2, 1, 1);
}
}
uint8_t *start= pbBufPtr(&s->pb);
uint8_t *end= s->pb.buf_end;
int size= end - start;
- int pb_size = (((int)start + size/3)&(~3)) - (int)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);
}
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;
{
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)
}else{ /* P/S_TYPE */
int mx, my, pred_x, pred_y, bits;
int16_t * const mot_val= s->current_picture.motion_val[0][s->block_index[0]];
- const int stride= s->block_wrap[0]*2;
+ const int stride= s->b8_stride*2;
try_again:
bits= show_bits(&s->gb, 17);
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;
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;
+ s->mb_skipped = 0;
}else{
s->mcsel=0;
- s->mb_skiped = 1;
+ s->mb_skipped = 1;
}
}else if(s->mb_intra){
s->ac_pred = IS_ACPRED(s->current_picture.mb_type[xy]);
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->block_wrap[0]*2;
+ const int stride= s->b8_stride*2;
for(i=0; i<4; i++)
s->block_index[i]+= 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, &pred_x, &pred_y);
+ mot_val= h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
if (s->umvplus)
mx = h263p_decode_umotion(s, pred_x);
else
} 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, &pred_x, &pred_y);
+ mot_val = h263_pred_motion(s, i, 0, &pred_x, &pred_y);
if (s->umvplus)
mx = h263p_decode_umotion(s, pred_x);
else
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_skiped = !(s->obmc | s->loop_filter);
+ s->mb_skipped = !(s->obmc | s->loop_filter);
goto end;
}
cbpc = get_vlc2(&s->gb, inter_MCBPC_vlc.table, INTER_MCBPC_VLC_BITS, 2);
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);
+ h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
if (s->umvplus)
mx = h263p_decode_umotion(s, pred_x);
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);
+ mot_val = h263_pred_motion(s, i, 0, &pred_x, &pred_y);
if (s->umvplus)
mx = h263p_decode_umotion(s, pred_x);
else
//FIXME UMV
if(USES_LIST(mb_type, 0)){
- int16_t *mot_val= h263_pred_motion2(s, 0, 0, &mx, &my);
+ 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);
}
if(USES_LIST(mb_type, 1)){
- int16_t *mot_val= h263_pred_motion2(s, 0, 1, &mx, &my);
+ 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);
s->mv[0][0][0]= get_amv(s, 0);
s->mv[0][0][1]= get_amv(s, 1);
- s->mb_skiped = 0;
+ 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_skiped = 1;
+ s->mb_skipped = 1;
}
goto end;
}
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);
+ h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
mx = h263_decode_motion(s, pred_x, s->f_code);
if (mx >= 0xffff)
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);
+ 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 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;
/* 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)
}
} else {
level = get_bits(&s->gb, 8);
+ if (level == 255)
+ level = 128;
}
}else{
level = get_bits(&s->gb, 8);
memset(block, 0, sizeof(DCTELEM)*64);
goto retry;
}
- av_log(s->avctx, AV_LOG_ERROR, "run overflow at %dx%d\n", s->mb_x, s->mb_y);
+ 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);
}
}
}
- pred = ff_mpeg4_pred_dc(s, n, &dc_val, dir_ptr);
- level += pred;
- if (level < 0){
- if(s->error_resilience>=3){
- av_log(s->avctx, AV_LOG_ERROR, "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){
- av_log(s->avctx, AV_LOG_ERROR, "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){
SKIP_COUNTER(re, &s->gb, 1+12+1);
}
- if(level*s->qscale>1024 || level*s->qscale<-1024){
- av_log(s->avctx, AV_LOG_ERROR, "|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 (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);
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 (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);
if (get_bits1(gb) == 1) { /* not_8_bit */
s->quant_precision = get_bits(gb, 4); /* 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 precission %d\n", s->quant_precision);
+ 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->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)){
- av_log(s->avctx, AV_LOG_ERROR, "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;
}
check_marker(gb, "before time_increment");
if(s->time_increment_bits==0){
- av_log(s->avctx, AV_LOG_ERROR, "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;
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*(int64_t)AV_TIME_BASE / s->time_increment_resolution;
if(s->avctx->debug&FF_DEBUG_PTS)
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){
- av_log(s->avctx, AV_LOG_ERROR, "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);
/* 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){
+ 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_SKIPED; //divx bug
+ return FRAME_SKIPPED; //divx bug
}else
return -1; //end of stream
}
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 Textutre Object start");
- else if(startcode==0x1BF) av_log(s->avctx, AV_LOG_DEBUG, "Textutre Spatial Layer start");
- else if(startcode==0x1C0) av_log(s->avctx, AV_LOG_DEBUG, "Textutre SNR Layer start");
- else if(startcode==0x1C1) av_log(s->avctx, AV_LOG_DEBUG, "Textutre Tile start");
- else if(startcode==0x1C2) av_log(s->avctx, AV_LOG_DEBUG, "Textutre Shape Layer 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");
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->chroma_qscale= s->qscale = get_bits(&s->gb, 5);
if(s->avctx->debug & FF_DEBUG_PICT_INFO){
av_log(s->avctx, AV_LOG_DEBUG, "%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);
+ 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