* Copyright (c) 2000,2001 Fabrice Bellard
* Copyright (c) 2002-2010 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
- * Returns the number of bits that encoding the 8x8 block in block would need.
+ * Return the number of bits that encoding the 8x8 block in block would need.
* @param[in] block_last_index last index in scantable order that refers to a non zero element in block.
*/
static inline int get_block_rate(MpegEncContext * s, DCTELEM block[64], int block_last_index, uint8_t scantable[64]){
/**
- * Restores the ac coefficients in block that have been changed by decide_ac_pred().
+ * Restore the ac coefficients in block that have been changed by decide_ac_pred().
* This function also restores s->block_last_index.
* @param[in,out] block MB coefficients, these will be restored
* @param[in] dir ac prediction direction for each 8x8 block
}
/**
- * Returns the optimal value (0 or 1) for the ac_pred element for the given MB in mpeg4.
+ * Return the optimal value (0 or 1) for the ac_pred element for the given MB in mpeg4.
* This function will also update s->block_last_index and s->ac_val.
* @param[in,out] block MB coefficients, these will be updated if 1 is returned
* @param[in] dir ac prediction direction for each 8x8 block
{
int score= 0;
int i, n;
- int8_t * const qscale_table= s->current_picture.qscale_table;
+ int8_t * const qscale_table = s->current_picture.f.qscale_table;
memcpy(zigzag_last_index, s->block_last_index, sizeof(int)*6);
*/
void ff_clean_mpeg4_qscales(MpegEncContext *s){
int i;
- int8_t * const qscale_table= s->current_picture.qscale_table;
+ int8_t * const qscale_table = s->current_picture.f.qscale_table;
ff_clean_h263_qscales(s);
- if(s->pict_type== FF_B_TYPE){
+ if(s->pict_type== AV_PICTURE_TYPE_B){
int odd=0;
/* ok, come on, this isn't funny anymore, there's more code for handling this mpeg4 mess than for the actual adaptive quantization */
uint8_t *scan_table, PutBitContext *dc_pb, PutBitContext *ac_pb)
{
int i, last_non_zero;
-#if 0 //variables for the outcommented version
- int code, sign, last;
-#endif
- const RLTable *rl;
uint32_t *bits_tab;
uint8_t *len_tab;
const int last_index = s->block_last_index[n];
mpeg4_encode_dc(dc_pb, intra_dc, n);
if(last_index<1) return;
i = 1;
- rl = &ff_mpeg4_rl_intra;
bits_tab= uni_mpeg4_intra_rl_bits;
len_tab = uni_mpeg4_intra_rl_len;
} else {
if(last_index<0) return;
i = 0;
- rl = &ff_h263_rl_inter;
bits_tab= uni_mpeg4_inter_rl_bits;
len_tab = uni_mpeg4_inter_rl_len;
}
/* AC coefs */
last_non_zero = i - 1;
-#if 1
for (; i < last_index; i++) {
int level = block[ scan_table[i] ];
if (level) {
put_bits(ac_pb, 7+2+1+6+1+12+1, (3<<23)+(3<<21)+(1<<20)+(run<<14)+(1<<13)+(((level-64)&0xfff)<<1)+1);
}
}
-#else
- for (; i <= last_index; i++) {
- const int slevel = block[ scan_table[i] ];
- if (slevel) {
- int level;
- int run = i - last_non_zero - 1;
- last = (i == last_index);
- sign = 0;
- level = slevel;
- if (level < 0) {
- sign = 1;
- level = -level;
- }
- code = get_rl_index(rl, last, run, level);
- put_bits(ac_pb, rl->table_vlc[code][1], rl->table_vlc[code][0]);
- if (code == rl->n) {
- int level1, run1;
- level1 = level - rl->max_level[last][run];
- if (level1 < 1)
- goto esc2;
- code = get_rl_index(rl, last, run, level1);
- if (code == rl->n) {
- esc2:
- put_bits(ac_pb, 1, 1);
- if (level > MAX_LEVEL)
- goto esc3;
- run1 = run - rl->max_run[last][level] - 1;
- if (run1 < 0)
- goto esc3;
- code = get_rl_index(rl, last, run1, level);
- if (code == rl->n) {
- esc3:
- /* third escape */
- put_bits(ac_pb, 1, 1);
- put_bits(ac_pb, 1, last);
- put_bits(ac_pb, 6, run);
- put_bits(ac_pb, 1, 1);
- put_sbits(ac_pb, 12, slevel);
- put_bits(ac_pb, 1, 1);
- } else {
- /* second escape */
- put_bits(ac_pb, 1, 0);
- put_bits(ac_pb, rl->table_vlc[code][1], rl->table_vlc[code][0]);
- put_bits(ac_pb, 1, sign);
- }
- } else {
- /* first escape */
- put_bits(ac_pb, 1, 0);
- put_bits(ac_pb, rl->table_vlc[code][1], rl->table_vlc[code][0]);
- put_bits(ac_pb, 1, sign);
- }
- } else {
- put_bits(ac_pb, 1, sign);
- }
- last_non_zero = i;
- }
- }
-#endif
}
static int mpeg4_get_block_length(MpegEncContext * s, DCTELEM * block, int n, int intra_dc,
{
int cbpc, cbpy, pred_x, pred_y;
PutBitContext * const pb2 = s->data_partitioning ? &s->pb2 : &s->pb;
- PutBitContext * const tex_pb = s->data_partitioning && s->pict_type!=FF_B_TYPE ? &s->tex_pb : &s->pb;
- PutBitContext * const dc_pb = s->data_partitioning && s->pict_type!=FF_I_TYPE ? &s->pb2 : &s->pb;
+ PutBitContext * const tex_pb = s->data_partitioning && s->pict_type!=AV_PICTURE_TYPE_B ? &s->tex_pb : &s->pb;
+ PutBitContext * const dc_pb = s->data_partitioning && s->pict_type!=AV_PICTURE_TYPE_I ? &s->pb2 : &s->pb;
const int interleaved_stats= (s->flags&CODEC_FLAG_PASS1) && !s->data_partitioning ? 1 : 0;
if (!s->mb_intra) {
int i, cbp;
- if(s->pict_type==FF_B_TYPE){
+ if(s->pict_type==AV_PICTURE_TYPE_B){
static const int mb_type_table[8]= {-1, 3, 2, 1,-1,-1,-1, 0}; /* convert from mv_dir to type */
int mb_type= mb_type_table[s->mv_dir];
assert(mb_type>=0);
/* 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 & ...
+ if (s->next_picture.f.mbskip_table[s->mb_y * s->mb_stride + s->mb_x]) { //FIXME avoid DCT & ...
s->skip_count++;
s->mv[0][0][0]=
s->mv[0][0][1]=
s->p_tex_bits+= get_bits_diff(s);
}
- }else{ /* s->pict_type==FF_B_TYPE */
+ }else{ /* s->pict_type==AV_PICTURE_TYPE_B */
cbp= get_p_cbp(s, block, motion_x, motion_y);
if ((cbp | motion_x | motion_y | s->dquant) == 0 && s->mv_type==MV_TYPE_16X16) {
if(y+16 > s->height) y= s->height-16;
offset= x + y*s->linesize;
- p_pic= s->new_picture.data[0] + offset;
+ p_pic = s->new_picture.f.data[0] + offset;
s->mb_skipped=1;
for(i=0; i<s->max_b_frames; i++){
int diff;
Picture *pic= s->reordered_input_picture[i+1];
- if(pic==NULL || pic->pict_type!=FF_B_TYPE) break;
+ if (pic == NULL || pic->f.pict_type != AV_PICTURE_TYPE_B)
+ break;
- b_pic= pic->data[0] + offset;
- if(pic->type != FF_BUFFER_TYPE_SHARED)
+ b_pic = pic->f.data[0] + offset;
+ if (pic->f.type != FF_BUFFER_TYPE_SHARED)
b_pic+= INPLACE_OFFSET;
diff= s->dsp.sad[0](NULL, p_pic, b_pic, s->linesize, 16);
if(diff>s->qscale*70){ //FIXME check that 70 is optimal
/* motion vectors: 8x8 mode*/
h263_pred_motion(s, i, 0, &pred_x, &pred_y);
- 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);
+ ff_h263_encode_motion_vector(s, s->current_picture.f.motion_val[0][ s->block_index[i] ][0] - pred_x,
+ s->current_picture.f.motion_val[0][ s->block_index[i] ][1] - pred_y, s->f_code);
}
}
}
cbpc = cbp & 3;
- if (s->pict_type == FF_I_TYPE) {
+ if (s->pict_type == AV_PICTURE_TYPE_I) {
if(s->dquant) cbpc+=4;
put_bits(&s->pb,
ff_h263_intra_MCBPC_bits[cbpc],
/* must be called before writing the header */
void ff_set_mpeg4_time(MpegEncContext * s){
- if(s->pict_type==FF_B_TYPE){
+ if(s->pict_type==AV_PICTURE_TYPE_B){
ff_mpeg4_init_direct_mv(s);
}else{
s->last_time_base= s->time_base;
put_bits(&s->pb, 16, 0);
put_bits(&s->pb, 16, GOP_STARTCODE);
- time= s->current_picture_ptr->pts;
+ time = s->current_picture_ptr->f.pts;
if(s->reordered_input_picture[1])
- time= FFMIN(time, s->reordered_input_picture[1]->pts);
+ time = FFMIN(time, s->reordered_input_picture[1]->f.pts);
time= time*s->avctx->time_base.num;
seconds= time/s->avctx->time_base.den;
int time_incr;
int time_div, time_mod;
- if(s->pict_type==FF_I_TYPE){
+ if(s->pict_type==AV_PICTURE_TYPE_I){
if(!(s->flags&CODEC_FLAG_GLOBAL_HEADER)){
if(s->strict_std_compliance < FF_COMPLIANCE_VERY_STRICT) //HACK, the reference sw is buggy
mpeg4_encode_visual_object_header(s);
mpeg4_encode_gop_header(s);
}
- s->partitioned_frame= s->data_partitioning && s->pict_type!=FF_B_TYPE;
+ s->partitioned_frame= s->data_partitioning && s->pict_type!=AV_PICTURE_TYPE_B;
put_bits(&s->pb, 16, 0); /* vop header */
put_bits(&s->pb, 16, VOP_STARTCODE); /* vop header */
put_bits(&s->pb, s->time_increment_bits, time_mod); /* time increment */
put_bits(&s->pb, 1, 1); /* marker */
put_bits(&s->pb, 1, 1); /* vop coded */
- if ( s->pict_type == FF_P_TYPE
- || (s->pict_type == FF_S_TYPE && s->vol_sprite_usage==GMC_SPRITE)) {
+ if ( s->pict_type == AV_PICTURE_TYPE_P
+ || (s->pict_type == AV_PICTURE_TYPE_S && s->vol_sprite_usage==GMC_SPRITE)) {
put_bits(&s->pb, 1, s->no_rounding); /* rounding type */
}
put_bits(&s->pb, 3, 0); /* intra dc VLC threshold */
if(!s->progressive_sequence){
- put_bits(&s->pb, 1, s->current_picture_ptr->top_field_first);
+ put_bits(&s->pb, 1, s->current_picture_ptr->f.top_field_first);
put_bits(&s->pb, 1, s->alternate_scan);
}
//FIXME sprite stuff
put_bits(&s->pb, 5, s->qscale);
- if (s->pict_type != FF_I_TYPE)
+ if (s->pict_type != AV_PICTURE_TYPE_I)
put_bits(&s->pb, 3, s->f_code); /* fcode_for */
- if (s->pict_type == FF_B_TYPE)
+ if (s->pict_type == AV_PICTURE_TYPE_B)
put_bits(&s->pb, 3, s->b_code); /* fcode_back */
}
const int tex_pb_len= put_bits_count(&s->tex_pb);
const int bits= put_bits_count(&s->pb);
- if(s->pict_type==FF_I_TYPE){
+ if(s->pict_type==AV_PICTURE_TYPE_I){
put_bits(&s->pb, 19, DC_MARKER);
s->misc_bits+=19 + pb2_len + bits - s->last_bits;
s->i_tex_bits+= tex_pb_len;
put_bits(&s->pb, 1, 0); /* no HEC */
}
-AVCodec mpeg4_encoder = {
+AVCodec ff_mpeg4_encoder = {
"mpeg4",
- CODEC_TYPE_VIDEO,
+ AVMEDIA_TYPE_VIDEO,
CODEC_ID_MPEG4,
sizeof(MpegEncContext),
encode_init,
MPV_encode_picture,
MPV_encode_end,
.pix_fmts= (const enum PixelFormat[]){PIX_FMT_YUV420P, PIX_FMT_NONE},
- .capabilities= CODEC_CAP_DELAY,
+ .capabilities= CODEC_CAP_DELAY | CODEC_CAP_SLICE_THREADS,
.long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2"),
};
projects / ffmpeg / blobdiff