* 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
*/
#include "mpegvideo.h"
#include "mpeg4video.h"
#include "h263.h"
+#include "thread.h"
// The defines below define the number of bits that are read at once for
// reading vlc values. Changing these may improve speed and data cache needs
};
/**
- * predicts the ac.
+ * Predict the ac.
* @param n block index (0-3 are luma, 4-5 are chroma)
* @param dir the ac prediction direction
*/
-void mpeg4_pred_ac(MpegEncContext * s, DCTELEM *block, int n,
- int dir)
+void ff_mpeg4_pred_ac(MpegEncContext * s, int16_t *block, int n,
+ int dir)
{
int i;
int16_t *ac_val, *ac_val1;
- int8_t * const qscale_table= s->current_picture.qscale_table;
+ int8_t * const qscale_table = s->current_picture.f.qscale_table;
/* find prediction */
ac_val = s->ac_val[0][0] + s->block_index[n] * 16;
}
while(v<=0xFF){
- if(s->pict_type==FF_B_TYPE || (v>>(8-s->pict_type)!=1) || s->partitioned_frame)
+ if(s->pict_type==AV_PICTURE_TYPE_B || (v>>(8-s->pict_type)!=1) || s->partitioned_frame)
break;
skip_bits(&s->gb, 8+s->pict_type);
bits_count+= 8+s->pict_type;
}
/**
- * decodes the next video packet.
+ * Decode the next video packet.
* @return <0 if something went wrong
*/
-int mpeg4_decode_video_packet_header(MpegEncContext *s)
+int ff_mpeg4_decode_video_packet_header(MpegEncContext *s)
{
int mb_num_bits= av_log2(s->mb_num - 1) + 1;
int header_extension=0, mb_num, len;
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 == FF_B_TYPE){
- while(s->next_picture.mbskip_table[ s->mb_index2xy[ mb_num ] ]) mb_num++;
+ if(s->pict_type == AV_PICTURE_TYPE_B){
+ int mb_x = 0, mb_y = 0;
+
+ while (s->next_picture.f.mbskip_table[s->mb_index2xy[mb_num]]) {
+ if (!mb_x)
+ ff_thread_await_progress(&s->next_picture_ptr->f, mb_y++, 0);
+ mb_num++;
+ if (++mb_x == s->mb_width) mb_x = 0;
+ }
if(mb_num >= s->mb_num) return -1; // slice contains just skipped MBs which where already decoded
}
header_extension= get_bits1(&s->gb);
}
if(header_extension){
- int time_increment;
int time_incr=0;
while (get_bits1(&s->gb) != 0)
time_incr++;
check_marker(&s->gb, "before time_increment in video packed header");
- time_increment= get_bits(&s->gb, s->time_increment_bits);
+ skip_bits(&s->gb, s->time_increment_bits); /* time_increment */
check_marker(&s->gb, "before vop_coding_type in video packed header");
skip_bits(&s->gb, 2); /* vop coding type */
if(s->shape != BIN_ONLY_SHAPE){
skip_bits(&s->gb, 3); /* intra dc vlc threshold */
//FIXME don't just ignore everything
- if(s->pict_type == FF_S_TYPE && s->vol_sprite_usage==GMC_SPRITE){
+ if(s->pict_type == AV_PICTURE_TYPE_S && s->vol_sprite_usage==GMC_SPRITE){
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 != FF_I_TYPE) {
+ if (s->pict_type != AV_PICTURE_TYPE_I) {
int f_code = get_bits(&s->gb, 3); /* fcode_for */
if(f_code==0){
av_log(s->avctx, AV_LOG_ERROR, "Error, video packet header damaged (f_code=0)\n");
}
}
- if (s->pict_type == FF_B_TYPE) {
+ if (s->pict_type == AV_PICTURE_TYPE_B) {
int b_code = get_bits(&s->gb, 3);
if(b_code==0){
av_log(s->avctx, AV_LOG_ERROR, "Error, video packet header damaged (b_code=0)\n");
}
/**
- * gets the average motion vector for a GMC MB.
+ * Get the average motion vector for a GMC MB.
* @param n either 0 for the x component or 1 for y
* @return the average MV for a GMC MB
*/
}
/**
- * decodes the dc value.
+ * Decode the dc value.
* @param n block index (0-3 are luma, 4-5 are chroma)
* @param dir_ptr the prediction direction will be stored here
* @return the quantized dc
if (code > 8){
if(get_bits1(&s->gb)==0){ /* marker */
- if(s->error_recognition>=2){
+ if(s->err_recognition&AV_EF_BITSTREAM){
av_log(s->avctx, AV_LOG_ERROR, "dc marker bit missing\n");
return -1;
}
}
/**
- * decodes first partition.
+ * Decode first partition.
* @return number of MBs decoded or <0 if an error occurred
*/
static int mpeg4_decode_partition_a(MpegEncContext *s){
if(s->mb_x == s->resync_mb_x && s->mb_y == s->resync_mb_y+1)
s->first_slice_line=0;
- if(s->pict_type==FF_I_TYPE){
+ if(s->pict_type==AV_PICTURE_TYPE_I){
int i;
do{
}while(cbpc == 8);
s->cbp_table[xy]= cbpc & 3;
- s->current_picture.mb_type[xy]= MB_TYPE_INTRA;
+ s->current_picture.f.mb_type[xy] = MB_TYPE_INTRA;
s->mb_intra = 1;
if(cbpc & 4) {
ff_set_qscale(s, s->qscale + quant_tab[get_bits(&s->gb, 2)]);
}
- s->current_picture.qscale_table[xy]= s->qscale;
+ s->current_picture.f.qscale_table[xy]= s->qscale;
s->mbintra_table[xy]= 1;
for(i=0; i<6; i++){
s->pred_dir_table[xy]= dir;
}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]];
+ int16_t * const mot_val = s->current_picture.f.motion_val[0][s->block_index[0]];
const int stride= s->b8_stride*2;
try_again:
skip_bits1(&s->gb);
if(bits&0x10000){
/* skip mb */
- if(s->pict_type==FF_S_TYPE && s->vol_sprite_usage==GMC_SPRITE){
- s->current_picture.mb_type[xy]= MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_GMC | MB_TYPE_L0;
+ if(s->pict_type==AV_PICTURE_TYPE_S && s->vol_sprite_usage==GMC_SPRITE){
+ s->current_picture.f.mb_type[xy] = MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_GMC | MB_TYPE_L0;
mx= get_amv(s, 0);
my= get_amv(s, 1);
}else{
- s->current_picture.mb_type[xy]= MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_L0;
+ s->current_picture.f.mb_type[xy] = MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_L0;
mx=my=0;
}
mot_val[0 ]= mot_val[2 ]=
s->mb_intra = ((cbpc & 4) != 0);
if(s->mb_intra){
- s->current_picture.mb_type[xy]= MB_TYPE_INTRA;
+ s->current_picture.f.mb_type[xy] = MB_TYPE_INTRA;
s->mbintra_table[xy]= 1;
mot_val[0 ]= mot_val[2 ]=
mot_val[0+stride]= mot_val[2+stride]= 0;
if(s->mbintra_table[xy])
ff_clean_intra_table_entries(s);
- if(s->pict_type==FF_S_TYPE && s->vol_sprite_usage==GMC_SPRITE && (cbpc & 16) == 0)
+ if(s->pict_type==AV_PICTURE_TYPE_S && s->vol_sprite_usage==GMC_SPRITE && (cbpc & 16) == 0)
s->mcsel= get_bits1(&s->gb);
else s->mcsel= 0;
if ((cbpc & 16) == 0) {
/* 16x16 motion prediction */
- h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
+ ff_h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
if(!s->mcsel){
- mx = h263_decode_motion(s, pred_x, s->f_code);
+ mx = ff_h263_decode_motion(s, pred_x, s->f_code);
if (mx >= 0xffff)
return -1;
- my = h263_decode_motion(s, pred_y, s->f_code);
+ my = ff_h263_decode_motion(s, pred_y, s->f_code);
if (my >= 0xffff)
return -1;
- s->current_picture.mb_type[xy]= MB_TYPE_16x16 | MB_TYPE_L0;
+ s->current_picture.f.mb_type[xy] = MB_TYPE_16x16 | MB_TYPE_L0;
} else {
mx = get_amv(s, 0);
my = get_amv(s, 1);
- s->current_picture.mb_type[xy]= MB_TYPE_16x16 | MB_TYPE_GMC | MB_TYPE_L0;
+ s->current_picture.f.mb_type[xy] = MB_TYPE_16x16 | MB_TYPE_GMC | MB_TYPE_L0;
}
mot_val[0 ]= mot_val[2 ] =
mot_val[1+stride]= mot_val[3+stride]= my;
} else {
int i;
- s->current_picture.mb_type[xy]= MB_TYPE_8x8 | MB_TYPE_L0;
+ s->current_picture.f.mb_type[xy] = MB_TYPE_8x8 | MB_TYPE_L0;
for(i=0;i<4;i++) {
- int16_t *mot_val= h263_pred_motion(s, i, 0, &pred_x, &pred_y);
- mx = h263_decode_motion(s, pred_x, s->f_code);
+ int16_t *mot_val= ff_h263_pred_motion(s, i, 0, &pred_x, &pred_y);
+ mx = ff_h263_decode_motion(s, pred_x, s->f_code);
if (mx >= 0xffff)
return -1;
- my = h263_decode_motion(s, pred_y, s->f_code);
+ my = ff_h263_decode_motion(s, pred_y, s->f_code);
if (my >= 0xffff)
return -1;
mot_val[0] = mx;
if(s->mb_x == s->resync_mb_x && s->mb_y == s->resync_mb_y+1)
s->first_slice_line=0;
- if(s->pict_type==FF_I_TYPE){
+ if(s->pict_type==AV_PICTURE_TYPE_I){
int ac_pred= get_bits1(&s->gb);
int cbpy = get_vlc2(&s->gb, ff_h263_cbpy_vlc.table, CBPY_VLC_BITS, 1);
if(cbpy<0){
}
s->cbp_table[xy]|= cbpy<<2;
- s->current_picture.mb_type[xy] |= ac_pred*MB_TYPE_ACPRED;
+ s->current_picture.f.mb_type[xy] |= ac_pred*MB_TYPE_ACPRED;
}else{ /* P || S_TYPE */
- if(IS_INTRA(s->current_picture.mb_type[xy])){
+ if (IS_INTRA(s->current_picture.f.mb_type[xy])) {
int dir=0,i;
int ac_pred = get_bits1(&s->gb);
int cbpy = get_vlc2(&s->gb, ff_h263_cbpy_vlc.table, CBPY_VLC_BITS, 1);
if(s->cbp_table[xy] & 8) {
ff_set_qscale(s, s->qscale + quant_tab[get_bits(&s->gb, 2)]);
}
- s->current_picture.qscale_table[xy]= s->qscale;
+ s->current_picture.f.qscale_table[xy] = s->qscale;
for(i=0; i<6; i++){
int dc_pred_dir;
}
s->cbp_table[xy]&= 3; //remove dquant
s->cbp_table[xy]|= cbpy<<2;
- s->current_picture.mb_type[xy] |= ac_pred*MB_TYPE_ACPRED;
+ s->current_picture.f.mb_type[xy] |= ac_pred*MB_TYPE_ACPRED;
s->pred_dir_table[xy]= dir;
- }else if(IS_SKIP(s->current_picture.mb_type[xy])){
- s->current_picture.qscale_table[xy]= s->qscale;
+ } else if (IS_SKIP(s->current_picture.f.mb_type[xy])) {
+ s->current_picture.f.qscale_table[xy] = s->qscale;
s->cbp_table[xy]= 0;
}else{
int cbpy = get_vlc2(&s->gb, ff_h263_cbpy_vlc.table, CBPY_VLC_BITS, 1);
if(s->cbp_table[xy] & 8) {
ff_set_qscale(s, s->qscale + quant_tab[get_bits(&s->gb, 2)]);
}
- s->current_picture.qscale_table[xy]= s->qscale;
+ s->current_picture.f.qscale_table[xy] = s->qscale;
s->cbp_table[xy]&= 3; //remove dquant
s->cbp_table[xy]|= (cbpy^0xf)<<2;
}
/**
- * decodes the first & second partition
+ * Decode the first and second partition.
* @return <0 if error (and sets error type in the error_status_table)
*/
int ff_mpeg4_decode_partitions(MpegEncContext *s)
{
int mb_num;
- const int part_a_error= s->pict_type==FF_I_TYPE ? (DC_ERROR|MV_ERROR) : MV_ERROR;
- const int part_a_end = s->pict_type==FF_I_TYPE ? (DC_END |MV_END) : MV_END;
+ const int part_a_error= s->pict_type==AV_PICTURE_TYPE_I ? (ER_DC_ERROR|ER_MV_ERROR) : ER_MV_ERROR;
+ const int part_a_end = s->pict_type==AV_PICTURE_TYPE_I ? (ER_DC_END |ER_MV_END) : ER_MV_END;
mb_num= mpeg4_decode_partition_a(s);
if(mb_num<0){
s->mb_num_left= mb_num;
- if(s->pict_type==FF_I_TYPE){
+ if(s->pict_type==AV_PICTURE_TYPE_I){
while(show_bits(&s->gb, 9) == 1)
skip_bits(&s->gb, 9);
if(get_bits_long(&s->gb, 19)!=DC_MARKER){
ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, part_a_end);
if( mpeg4_decode_partition_b(s, mb_num) < 0){
- if(s->pict_type==FF_P_TYPE)
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, DC_ERROR);
+ if(s->pict_type==AV_PICTURE_TYPE_P)
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, ER_DC_ERROR);
return -1;
}else{
- if(s->pict_type==FF_P_TYPE)
- ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, DC_END);
+ if(s->pict_type==AV_PICTURE_TYPE_P)
+ ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, ER_DC_END);
}
return 0;
}
/**
- * decodes a block.
+ * Decode a block.
* @return <0 if an error occurred
*/
-static inline int mpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
+static inline int mpeg4_decode_block(MpegEncContext * s, int16_t * block,
int n, int coded, int intra, int rvlc)
{
int level, i, last, run;
goto not_coded;
if(rvlc){
- rl = &rvlc_rl_intra;
- rl_vlc = rvlc_rl_intra.rl_vlc[0];
+ rl = &ff_rvlc_rl_intra;
+ rl_vlc = ff_rvlc_rl_intra.rl_vlc[0];
}else{
rl = &ff_mpeg4_rl_intra;
rl_vlc = ff_mpeg4_rl_intra.rl_vlc[0];
s->block_last_index[n] = i;
return 0;
}
- if(rvlc) rl = &rvlc_rl_inter;
+ if(rvlc) rl = &ff_rvlc_rl_inter;
else rl = &ff_h263_rl_inter;
scan_table = s->intra_scantable.permutated;
qmul=1;
qadd=0;
if(rvlc){
- rl_vlc = rvlc_rl_inter.rl_vlc[0];
+ rl_vlc = ff_rvlc_rl_inter.rl_vlc[0];
}else{
rl_vlc = ff_h263_rl_inter.rl_vlc[0];
}
qmul = s->qscale << 1;
qadd = (s->qscale - 1) | 1;
if(rvlc){
- rl_vlc = rvlc_rl_inter.rl_vlc[s->qscale];
+ rl_vlc = ff_rvlc_rl_inter.rl_vlc[s->qscale];
}else{
rl_vlc = ff_h263_rl_inter.rl_vlc[s->qscale];
}
}; SKIP_CACHE(re, &s->gb, 1);
last= SHOW_UBITS(re, &s->gb, 1); SKIP_CACHE(re, &s->gb, 1);
- run= SHOW_UBITS(re, &s->gb, 6); LAST_SKIP_CACHE(re, &s->gb, 6);
+ run= SHOW_UBITS(re, &s->gb, 6);
SKIP_COUNTER(re, &s->gb, 1+1+6);
UPDATE_CACHE(re, &s->gb);
}; SKIP_CACHE(re, &s->gb, 5);
level= level * qmul + qadd;
- level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1); LAST_SKIP_CACHE(re, &s->gb, 1);
+ level = (level ^ SHOW_SBITS(re, &s->gb, 1)) - SHOW_SBITS(re, &s->gb, 1);
SKIP_COUNTER(re, &s->gb, 1+11+5+1);
i+= run + 1;
/* third escape */
SKIP_CACHE(re, &s->gb, 2);
last= SHOW_UBITS(re, &s->gb, 1); SKIP_CACHE(re, &s->gb, 1);
- run= SHOW_UBITS(re, &s->gb, 6); LAST_SKIP_CACHE(re, &s->gb, 6);
+ run= SHOW_UBITS(re, &s->gb, 6);
SKIP_COUNTER(re, &s->gb, 2+1+6);
UPDATE_CACHE(re, &s->gb);
if(SHOW_UBITS(re, &s->gb, 1)==0){
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 0
- if(s->error_recognition >= FF_ER_COMPLIANT){
- const int abs_level= FFABS(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]){
- av_log(s->avctx, AV_LOG_ERROR, "illegal 3. esc, vlc encoding possible\n");
- return -1;
- }
- if(s->error_recognition > FF_ER_COMPLIANT){
- if(abs_level <= rl->max_level[last][run]*2){
- av_log(s->avctx, AV_LOG_ERROR, "illegal 3. esc, esc 1 encoding possible\n");
- return -1;
- }
- if(run1 >= 0 && abs_level <= rl->max_level[last][run1]){
- av_log(s->avctx, AV_LOG_ERROR, "illegal 3. esc, esc 2 encoding possible\n");
- return -1;
- }
- }
- }
- }
-#endif
if (level>0) level= level * qmul + qadd;
else level= level * qmul - qadd;
if((unsigned)(level + 2048) > 4095){
- if(s->error_recognition > FF_ER_COMPLIANT){
+ if(s->err_recognition & AV_EF_BITSTREAM){
if(level > 2560 || level<-2560){
av_log(s->avctx, AV_LOG_ERROR, "|level| overflow in 3. esc, qp=%d\n", s->qscale);
return -1;
if(last) i+=192;
} else {
/* second escape */
-#if MIN_CACHE_BITS < 20
- LAST_SKIP_BITS(re, &s->gb, 2);
- UPDATE_CACHE(re, &s->gb);
-#else
SKIP_BITS(re, &s->gb, 2);
-#endif
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);
}
} else {
/* first escape */
-#if MIN_CACHE_BITS < 19
- LAST_SKIP_BITS(re, &s->gb, 1);
- UPDATE_CACHE(re, &s->gb);
-#else
SKIP_BITS(re, &s->gb, 1);
-#endif
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
i -= i>>31; //if(i == -1) i=0;
}
- mpeg4_pred_ac(s, block, n, dc_pred_dir);
+ ff_mpeg4_pred_ac(s, block, n, dc_pred_dir);
if (s->ac_pred) {
i = 63; /* XXX: not optimal */
}
* decode partition C of one MB.
* @return <0 if an error occurred
*/
-static int mpeg4_decode_partitioned_mb(MpegEncContext *s, DCTELEM block[6][64])
+static int mpeg4_decode_partitioned_mb(MpegEncContext *s, int16_t block[6][64])
{
int cbp, mb_type;
const int xy= s->mb_x + s->mb_y*s->mb_stride;
- mb_type= s->current_picture.mb_type[xy];
+ mb_type = s->current_picture.f.mb_type[xy];
cbp = s->cbp_table[xy];
s->use_intra_dc_vlc= s->qscale < s->intra_dc_threshold;
- if(s->current_picture.qscale_table[xy] != s->qscale){
- ff_set_qscale(s, s->current_picture.qscale_table[xy] );
+ if (s->current_picture.f.qscale_table[xy] != s->qscale) {
+ ff_set_qscale(s, s->current_picture.f.qscale_table[xy]);
}
- if (s->pict_type == FF_P_TYPE || s->pict_type==FF_S_TYPE) {
+ if (s->pict_type == AV_PICTURE_TYPE_P || s->pict_type==AV_PICTURE_TYPE_S) {
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->mv[0][i][0] = s->current_picture.f.motion_val[0][s->block_index[i]][0];
+ s->mv[0][i][1] = s->current_picture.f.motion_val[0][s->block_index[i]][1];
}
s->mb_intra = IS_INTRA(mb_type);
s->block_last_index[i] = -1;
s->mv_dir = MV_DIR_FORWARD;
s->mv_type = MV_TYPE_16X16;
- if(s->pict_type==FF_S_TYPE && s->vol_sprite_usage==GMC_SPRITE){
+ if(s->pict_type==AV_PICTURE_TYPE_S && s->vol_sprite_usage==GMC_SPRITE){
s->mcsel=1;
s->mb_skipped = 0;
}else{
s->mb_skipped = 1;
}
}else if(s->mb_intra){
- s->ac_pred = IS_ACPRED(s->current_picture.mb_type[xy]);
+ s->ac_pred = IS_ACPRED(s->current_picture.f.mb_type[xy]);
}else if(!s->mb_intra){
// s->mcsel= 0; //FIXME do we need to init that
}
} else { /* I-Frame */
s->mb_intra = 1;
- s->ac_pred = IS_ACPRED(s->current_picture.mb_type[xy]);
+ s->ac_pred = IS_ACPRED(s->current_picture.f.mb_type[xy]);
}
if (!IS_SKIP(mb_type)) {
}
static int mpeg4_decode_mb(MpegEncContext *s,
- DCTELEM block[6][64])
+ int16_t block[6][64])
{
int cbpc, cbpy, i, cbp, pred_x, pred_y, mx, my, dquant;
int16_t *mot_val;
assert(s->h263_pred);
- if (s->pict_type == FF_P_TYPE || s->pict_type==FF_S_TYPE) {
+ if (s->pict_type == AV_PICTURE_TYPE_P || s->pict_type==AV_PICTURE_TYPE_S) {
do{
if (get_bits1(&s->gb)) {
/* skip mb */
s->block_last_index[i] = -1;
s->mv_dir = MV_DIR_FORWARD;
s->mv_type = MV_TYPE_16X16;
- if(s->pict_type==FF_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;
+ if(s->pict_type==AV_PICTURE_TYPE_S && s->vol_sprite_usage==GMC_SPRITE){
+ s->current_picture.f.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_skipped = 0;
}else{
- s->current_picture.mb_type[xy]= MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_L0;
+ s->current_picture.f.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_intra = ((cbpc & 4) != 0);
if (s->mb_intra) goto intra;
- if(s->pict_type==FF_S_TYPE && s->vol_sprite_usage==GMC_SPRITE && (cbpc & 16) == 0)
+ if(s->pict_type==AV_PICTURE_TYPE_S && s->vol_sprite_usage==GMC_SPRITE && (cbpc & 16) == 0)
s->mcsel= get_bits1(&s->gb);
else s->mcsel= 0;
cbpy = get_vlc2(&s->gb, ff_h263_cbpy_vlc.table, CBPY_VLC_BITS, 1) ^ 0x0F;
s->mv_dir = MV_DIR_FORWARD;
if ((cbpc & 16) == 0) {
if(s->mcsel){
- s->current_picture.mb_type[xy]= MB_TYPE_GMC | MB_TYPE_16x16 | MB_TYPE_L0;
+ s->current_picture.f.mb_type[xy] = MB_TYPE_GMC | MB_TYPE_16x16 | MB_TYPE_L0;
/* 16x16 global motion prediction */
s->mv_type = MV_TYPE_16X16;
mx= get_amv(s, 0);
s->mv[0][0][0] = mx;
s->mv[0][0][1] = my;
}else if((!s->progressive_sequence) && get_bits1(&s->gb)){
- s->current_picture.mb_type[xy]= MB_TYPE_16x8 | MB_TYPE_L0 | MB_TYPE_INTERLACED;
+ s->current_picture.f.mb_type[xy] = MB_TYPE_16x8 | MB_TYPE_L0 | MB_TYPE_INTERLACED;
/* 16x8 field motion prediction */
s->mv_type= MV_TYPE_FIELD;
s->field_select[0][0]= get_bits1(&s->gb);
s->field_select[0][1]= get_bits1(&s->gb);
- h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
+ ff_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);
+ mx = ff_h263_decode_motion(s, pred_x, s->f_code);
if (mx >= 0xffff)
return -1;
- my = h263_decode_motion(s, pred_y/2, s->f_code);
+ my = ff_h263_decode_motion(s, pred_y/2, s->f_code);
if (my >= 0xffff)
return -1;
s->mv[0][i][1] = my;
}
}else{
- s->current_picture.mb_type[xy]= MB_TYPE_16x16 | MB_TYPE_L0;
+ s->current_picture.f.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);
- mx = h263_decode_motion(s, pred_x, s->f_code);
+ ff_h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
+ mx = ff_h263_decode_motion(s, pred_x, s->f_code);
if (mx >= 0xffff)
return -1;
- my = h263_decode_motion(s, pred_y, s->f_code);
+ my = ff_h263_decode_motion(s, pred_y, s->f_code);
if (my >= 0xffff)
return -1;
s->mv[0][0][1] = my;
}
} else {
- s->current_picture.mb_type[xy]= MB_TYPE_8x8 | MB_TYPE_L0;
+ s->current_picture.f.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);
- mx = h263_decode_motion(s, pred_x, s->f_code);
+ mot_val = ff_h263_pred_motion(s, i, 0, &pred_x, &pred_y);
+ mx = ff_h263_decode_motion(s, pred_x, s->f_code);
if (mx >= 0xffff)
return -1;
- my = h263_decode_motion(s, pred_y, s->f_code);
+ my = ff_h263_decode_motion(s, pred_y, s->f_code);
if (my >= 0xffff)
return -1;
s->mv[0][i][0] = mx;
mot_val[1] = my;
}
}
- } else if(s->pict_type==FF_B_TYPE) {
+ } else if(s->pict_type==AV_PICTURE_TYPE_B) {
int modb1; // first bit of modb
int modb2; // second bit of modb
int mb_type;
s->last_mv[i][1][0]=
s->last_mv[i][1][1]= 0;
}
+
+ ff_thread_await_progress(&s->next_picture_ptr->f, s->mb_y, 0);
}
/* if we skipped it in the future P Frame than skip it now too */
- s->mb_skipped= 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.f.mbskip_table[s->mb_y * s->mb_stride + s->mb_x]; // Note, skiptab=0 if last was GMC
if(s->mb_skipped){
/* skip mb */
s->mv[0][0][1] = 0;
s->mv[1][0][0] = 0;
s->mv[1][0][1] = 0;
- s->current_picture.mb_type[xy]= MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_L0;
+ s->current_picture.f.mb_type[xy] = MB_TYPE_SKIP | MB_TYPE_16x16 | MB_TYPE_L0;
goto end;
}
if(USES_LIST(mb_type, 0)){
s->mv_dir = MV_DIR_FORWARD;
- mx = h263_decode_motion(s, s->last_mv[0][0][0], s->f_code);
- my = h263_decode_motion(s, s->last_mv[0][0][1], s->f_code);
+ mx = ff_h263_decode_motion(s, s->last_mv[0][0][0], s->f_code);
+ my = ff_h263_decode_motion(s, s->last_mv[0][0][1], s->f_code);
s->last_mv[0][1][0]= s->last_mv[0][0][0]= s->mv[0][0][0] = mx;
s->last_mv[0][1][1]= s->last_mv[0][0][1]= s->mv[0][0][1] = my;
}
if(USES_LIST(mb_type, 1)){
s->mv_dir |= MV_DIR_BACKWARD;
- mx = h263_decode_motion(s, s->last_mv[1][0][0], s->b_code);
- my = h263_decode_motion(s, s->last_mv[1][0][1], s->b_code);
+ mx = ff_h263_decode_motion(s, s->last_mv[1][0][0], s->b_code);
+ my = ff_h263_decode_motion(s, s->last_mv[1][0][1], s->b_code);
s->last_mv[1][1][0]= s->last_mv[1][0][0]= s->mv[1][0][0] = mx;
s->last_mv[1][1][1]= s->last_mv[1][0][1]= s->mv[1][0][1] = my;
}
s->mv_dir = MV_DIR_FORWARD;
for(i=0; i<2; i++){
- mx = h263_decode_motion(s, s->last_mv[0][i][0] , s->f_code);
- my = h263_decode_motion(s, s->last_mv[0][i][1]/2, s->f_code);
+ mx = ff_h263_decode_motion(s, s->last_mv[0][i][0] , s->f_code);
+ my = ff_h263_decode_motion(s, s->last_mv[0][i][1]/2, s->f_code);
s->last_mv[0][i][0]= s->mv[0][i][0] = mx;
s->last_mv[0][i][1]= (s->mv[0][i][1] = my)*2;
}
s->mv_dir |= MV_DIR_BACKWARD;
for(i=0; i<2; i++){
- mx = h263_decode_motion(s, s->last_mv[1][i][0] , s->b_code);
- my = h263_decode_motion(s, s->last_mv[1][i][1]/2, s->b_code);
+ mx = ff_h263_decode_motion(s, s->last_mv[1][i][0] , s->b_code);
+ my = ff_h263_decode_motion(s, s->last_mv[1][i][1]/2, s->b_code);
s->last_mv[1][i][0]= s->mv[1][i][0] = mx;
s->last_mv[1][i][1]= (s->mv[1][i][1] = my)*2;
}
if(IS_SKIP(mb_type))
mx=my=0;
else{
- mx = h263_decode_motion(s, 0, 1);
- my = h263_decode_motion(s, 0, 1);
+ mx = ff_h263_decode_motion(s, 0, 1);
+ my = ff_h263_decode_motion(s, 0, 1);
}
s->mv_dir = MV_DIR_FORWARD | MV_DIR_BACKWARD | MV_DIRECT;
mb_type |= ff_mpeg4_set_direct_mv(s, mx, my);
}
- s->current_picture.mb_type[xy]= mb_type;
+ s->current_picture.f.mb_type[xy] = mb_type;
} else { /* I-Frame */
do{
cbpc = get_vlc2(&s->gb, ff_h263_intra_MCBPC_vlc.table, INTRA_MCBPC_VLC_BITS, 2);
intra:
s->ac_pred = get_bits1(&s->gb);
if(s->ac_pred)
- s->current_picture.mb_type[xy]= MB_TYPE_INTRA | MB_TYPE_ACPRED;
+ s->current_picture.f.mb_type[xy] = MB_TYPE_INTRA | MB_TYPE_ACPRED;
else
- s->current_picture.mb_type[xy]= MB_TYPE_INTRA;
+ s->current_picture.f.mb_type[xy] = MB_TYPE_INTRA;
cbpy = get_vlc2(&s->gb, ff_h263_cbpy_vlc.table, CBPY_VLC_BITS, 1);
if(cbpy<0){
end:
/* per-MB end of slice check */
- if(s->codec_id==CODEC_ID_MPEG4){
+ if(s->codec_id==AV_CODEC_ID_MPEG4){
if(mpeg4_is_resync(s)){
const int delta= s->mb_x + 1 == s->mb_width ? 2 : 1;
- if(s->pict_type==FF_B_TYPE && s->next_picture.mbskip_table[xy + delta])
+
+ if (s->pict_type == AV_PICTURE_TYPE_B && s->next_picture.f.mbskip_table[xy + delta]) {
+ ff_thread_await_progress(&s->next_picture_ptr->f,
+ (s->mb_x + delta >= s->mb_width) ? FFMIN(s->mb_y+1, s->mb_height-1) : s->mb_y, 0);
+ }
+
+ if (s->pict_type == AV_PICTURE_TYPE_B && s->next_picture.f.mbskip_table[xy + delta])
return SLICE_OK;
return SLICE_END;
}
static int mpeg4_decode_gop_header(MpegEncContext * s, GetBitContext *gb){
int hours, minutes, seconds;
+ unsigned time_code = show_bits(gb, 18);
+
+ if (time_code & 0x40) { /* marker_bit */
+ hours = time_code >> 13;
+ minutes = time_code >> 7 & 0x3f;
+ seconds = time_code & 0x3f;
+ s->time_base = seconds + 60*(minutes + 60*hours);
+ skip_bits(gb, 20); /* time_code, closed_gov, broken_link */
+ } else {
+ av_log(s->avctx, AV_LOG_WARNING, "GOP header missing marker_bit\n");
+ }
+
+ return 0;
+}
- hours= get_bits(gb, 5);
- minutes= get_bits(gb, 6);
- skip_bits1(gb);
- seconds= get_bits(gb, 6);
+static int mpeg4_decode_profile_level(MpegEncContext * s, GetBitContext *gb){
+ int profile_and_level_indication;
- s->time_base= seconds + 60*(minutes + 60*hours);
+ profile_and_level_indication = get_bits(gb, 8);
- skip_bits1(gb);
- skip_bits1(gb);
+ s->avctx->profile = (profile_and_level_indication & 0xf0) >> 4;
+ s->avctx->level = (profile_and_level_indication & 0x0f);
- return 0;
+ // for Simple profile, level 0
+ if (s->avctx->profile == 0 && s->avctx->level == 8) {
+ s->avctx->level = 0;
+ }
+
+ return 0;
}
static int decode_vol_header(MpegEncContext *s, GetBitContext *gb){
s->avctx->time_base.den = get_bits(gb, 16);
if(!s->avctx->time_base.den){
av_log(s->avctx, AV_LOG_ERROR, "time_base.den==0\n");
+ s->avctx->time_base.num = 0;
return -1;
}
height = get_bits(gb, 13);
skip_bits1(gb); /* marker */
if(width && height && !(s->width && s->codec_tag == AV_RL32("MP4S"))){ /* they should be non zero but who knows ... */
+ if (s->width && s->height &&
+ (s->width != width || s->height != height))
+ s->context_reinit = 1;
s->width = width;
s->height = height;
}
if (s->scalability) {
GetBitContext bak= *gb;
- int ref_layer_id;
- int ref_layer_sampling_dir;
int h_sampling_factor_n;
int h_sampling_factor_m;
int v_sampling_factor_n;
int v_sampling_factor_m;
s->hierachy_type= get_bits1(gb);
- ref_layer_id= get_bits(gb, 4);
- ref_layer_sampling_dir= get_bits1(gb);
+ skip_bits(gb, 4); /* ref_layer_id */
+ skip_bits1(gb); /* ref_layer_sampling_dir */
h_sampling_factor_n= get_bits(gb, 5);
h_sampling_factor_m= get_bits(gb, 5);
v_sampling_factor_n= get_bits(gb, 5);
}
/**
- * decodes the user data stuff in the header.
+ * Decode the user data stuff in the header.
* Also initializes divx/xvid/lavc_version/build.
*/
static int decode_user_data(MpegEncContext *s, GetBitContext *gb){
}
}
- /* ffmpeg detection */
+ /* libavcodec detection */
e=sscanf(buf, "FFmpe%*[^b]b%d", &build)+3;
if(e!=4)
e=sscanf(buf, "FFmpeg v%d.%d.%d / libavcodec build: %d", &ver, &ver2, &ver3, &build);
static int decode_vop_header(MpegEncContext *s, GetBitContext *gb){
int time_incr, time_increment;
- s->pict_type = get_bits(gb, 2) + FF_I_TYPE; /* pict type: I = 0 , P = 1 */
- if(s->pict_type==FF_B_TYPE && s->low_delay && s->vol_control_parameters==0 && !(s->flags & CODEC_FLAG_LOW_DELAY)){
+ s->pict_type = get_bits(gb, 2) + AV_PICTURE_TYPE_I; /* pict type: I = 0 , P = 1 */
+ if(s->pict_type==AV_PICTURE_TYPE_B && s->low_delay && s->vol_control_parameters==0 && !(s->flags & CODEC_FLAG_LOW_DELAY)){
av_log(s->avctx, AV_LOG_ERROR, "low_delay flag incorrectly, clearing it\n");
s->low_delay=0;
}
- 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;
if(s->partitioned_frame)
s->decode_mb= mpeg4_decode_partitioned_mb;
else
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 ( 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)) {
if((show_bits(gb, s->time_increment_bits+6)&0x37) == 0x30) break;
}else
if((show_bits(gb, s->time_increment_bits+5)&0x1F) == 0x18) break;
if(IS_3IV1) time_increment= get_bits1(gb); //FIXME investigate further
else time_increment= get_bits(gb, s->time_increment_bits);
- if(s->pict_type!=FF_B_TYPE){
+ if(s->pict_type!=AV_PICTURE_TYPE_B){
s->last_time_base= s->time_base;
s->time_base+= time_incr;
s->time= s->time_base*s->avctx->time_base.den + time_increment;
}
if(s->avctx->time_base.num)
- s->current_picture_ptr->pts= (s->time + s->avctx->time_base.num/2) / s->avctx->time_base.num;
+ s->current_picture_ptr->f.pts = (s->time + s->avctx->time_base.num / 2) / s->avctx->time_base.num;
else
- s->current_picture_ptr->pts= AV_NOPTS_VALUE;
+ s->current_picture_ptr->f.pts = AV_NOPTS_VALUE;
if(s->avctx->debug&FF_DEBUG_PTS)
- av_log(s->avctx, AV_LOG_DEBUG, "MPEG4 PTS: %"PRId64"\n", s->current_picture_ptr->pts);
+ av_log(s->avctx, AV_LOG_DEBUG, "MPEG4 PTS: %"PRId64"\n",
+ s->current_picture_ptr->f.pts);
check_marker(gb, "before vop_coded");
av_log(s->avctx, AV_LOG_ERROR, "vop not coded\n");
return FRAME_SKIPPED;
}
- if (s->shape != BIN_ONLY_SHAPE && ( s->pict_type == FF_P_TYPE
- || (s->pict_type == FF_S_TYPE && s->vol_sprite_usage==GMC_SPRITE))) {
+ if (s->shape != BIN_ONLY_SHAPE && ( s->pict_type == AV_PICTURE_TYPE_P
+ || (s->pict_type == AV_PICTURE_TYPE_S && s->vol_sprite_usage==GMC_SPRITE))) {
/* rounding type for motion estimation */
s->no_rounding = get_bits1(gb);
} else {
//FIXME reduced res stuff
if (s->shape != RECT_SHAPE) {
- if (s->vol_sprite_usage != 1 || s->pict_type != FF_I_TYPE) {
- int width, height, hor_spat_ref, ver_spat_ref;
-
- width = get_bits(gb, 13);
+ if (s->vol_sprite_usage != 1 || s->pict_type != AV_PICTURE_TYPE_I) {
+ skip_bits(gb, 13); /* width */
skip_bits1(gb); /* marker */
- height = get_bits(gb, 13);
+ skip_bits(gb, 13); /* height */
skip_bits1(gb); /* marker */
- hor_spat_ref = get_bits(gb, 13); /* hor_spat_ref */
+ skip_bits(gb, 13); /* hor_spat_ref */
skip_bits1(gb); /* marker */
- ver_spat_ref = get_bits(gb, 13); /* ver_spat_ref */
+ skip_bits(gb, 13); /* ver_spat_ref */
}
skip_bits1(gb); /* change_CR_disable */
if (s->shape != BIN_ONLY_SHAPE) {
skip_bits_long(gb, s->cplx_estimation_trash_i);
- if(s->pict_type != FF_I_TYPE)
+ if(s->pict_type != AV_PICTURE_TYPE_I)
skip_bits_long(gb, s->cplx_estimation_trash_p);
- if(s->pict_type == FF_B_TYPE)
+ if(s->pict_type == AV_PICTURE_TYPE_B)
skip_bits_long(gb, s->cplx_estimation_trash_b);
- s->intra_dc_threshold= mpeg4_dc_threshold[ get_bits(gb, 3) ];
+ s->intra_dc_threshold= ff_mpeg4_dc_threshold[ get_bits(gb, 3) ];
if(!s->progressive_sequence){
s->top_field_first= get_bits1(gb);
s->alternate_scan= get_bits1(gb);
ff_init_scantable(s->dsp.idct_permutation, &s->intra_v_scantable, ff_alternate_vertical_scan);
}
- if(s->pict_type == FF_S_TYPE && (s->vol_sprite_usage==STATIC_SPRITE || s->vol_sprite_usage==GMC_SPRITE)){
+ if(s->pict_type == AV_PICTURE_TYPE_S && (s->vol_sprite_usage==STATIC_SPRITE || s->vol_sprite_usage==GMC_SPRITE)){
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");
return -1; // makes no sense to continue, as there is nothing left from the image then
}
- if (s->pict_type != FF_I_TYPE) {
+ if (s->pict_type != AV_PICTURE_TYPE_I) {
s->f_code = get_bits(gb, 3); /* fcode_for */
if(s->f_code==0){
av_log(s->avctx, AV_LOG_ERROR, "Error, header damaged or not MPEG4 header (f_code=0)\n");
}else
s->f_code=1;
- if (s->pict_type == FF_B_TYPE) {
+ if (s->pict_type == AV_PICTURE_TYPE_B) {
s->b_code = get_bits(gb, 3);
}else
s->b_code=1;
if(s->avctx->debug&FF_DEBUG_PICT_INFO){
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 ce:%d/%d/%d\n",
s->qscale, s->f_code, s->b_code,
- s->pict_type == FF_I_TYPE ? "I" : (s->pict_type == FF_P_TYPE ? "P" : (s->pict_type == FF_B_TYPE ? "B" : "S")),
+ s->pict_type == AV_PICTURE_TYPE_I ? "I" : (s->pict_type == AV_PICTURE_TYPE_P ? "P" : (s->pict_type == AV_PICTURE_TYPE_B ? "B" : "S")),
gb->size_in_bits,s->progressive_sequence, s->alternate_scan, s->top_field_first,
s->quarter_sample ? "q" : "h", s->data_partitioning, s->resync_marker, s->num_sprite_warping_points,
s->sprite_warping_accuracy, 1-s->no_rounding, s->vo_type, s->vol_control_parameters ? " VOLC" : " ", s->intra_dc_threshold, s->cplx_estimation_trash_i, s->cplx_estimation_trash_p, s->cplx_estimation_trash_b);
}
if(!s->scalability){
- if (s->shape!=RECT_SHAPE && s->pict_type!=FF_I_TYPE) {
+ if (s->shape!=RECT_SHAPE && s->pict_type!=AV_PICTURE_TYPE_I) {
skip_bits1(gb); // vop shape coding type
}
}else{
/* detect buggy encoders which don't set the low_delay flag (divx4/xvid/opendivx)*/
// note we cannot detect divx5 without b-frames easily (although it's buggy too)
if(s->vo_type==0 && s->vol_control_parameters==0 && s->divx_version==-1 && s->picture_number==0){
- av_log(s->avctx, AV_LOG_ERROR, "looks like this file was encoded with (divx4/(old)xvid/opendivx) -> forcing low_delay flag\n");
+ av_log(s->avctx, AV_LOG_WARNING, "looks like this file was encoded with (divx4/(old)xvid/opendivx) -> forcing low_delay flag\n");
s->low_delay=1;
}
}
/**
- * decode mpeg4 headers
+ * Decode mpeg4 headers.
* @return <0 if no VOP found (or a damaged one)
* FRAME_SKIPPED if a not coded VOP is found
* 0 if a VOP is found
*/
int ff_mpeg4_decode_picture_header(MpegEncContext * s, GetBitContext *gb)
{
- int startcode, v;
+ unsigned startcode, v;
/* search next start code */
align_get_bits(gb);
for(;;) {
if(get_bits_count(gb) >= gb->size_in_bits){
if(gb->size_in_bits==8 && (s->divx_version>=0 || s->xvid_build>=0)){
- av_log(s->avctx, AV_LOG_ERROR, "frame skip %d\n", gb->size_in_bits);
+ av_log(s->avctx, AV_LOG_WARNING, "frame skip %d\n", gb->size_in_bits);
return FRAME_SKIPPED; //divx bug
}else
return -1; //end of stream
else if(startcode == GOP_STARTCODE){
mpeg4_decode_gop_header(s, gb);
}
+ else if(startcode == VOS_STARTCODE){
+ mpeg4_decode_profile_level(s, gb);
+ }
else if(startcode == VOP_STARTCODE){
break;
}
if (!done) {
done = 1;
- init_rl(&ff_mpeg4_rl_intra, ff_mpeg4_static_rl_table_store[0]);
- init_rl(&rvlc_rl_inter, ff_mpeg4_static_rl_table_store[1]);
- init_rl(&rvlc_rl_intra, ff_mpeg4_static_rl_table_store[2]);
+ ff_init_rl(&ff_mpeg4_rl_intra, ff_mpeg4_static_rl_table_store[0]);
+ ff_init_rl(&ff_rvlc_rl_inter, ff_mpeg4_static_rl_table_store[1]);
+ ff_init_rl(&ff_rvlc_rl_intra, ff_mpeg4_static_rl_table_store[2]);
INIT_VLC_RL(ff_mpeg4_rl_intra, 554);
- INIT_VLC_RL(rvlc_rl_inter, 1072);
- INIT_VLC_RL(rvlc_rl_intra, 1072);
+ INIT_VLC_RL(ff_rvlc_rl_inter, 1072);
+ INIT_VLC_RL(ff_rvlc_rl_intra, 1072);
INIT_VLC_STATIC(&dc_lum, DC_VLC_BITS, 10 /* 13 */,
&ff_mpeg4_DCtab_lum[0][1], 2, 1,
&ff_mpeg4_DCtab_lum[0][0], 2, 1, 512);
&ff_mpeg4_DCtab_chrom[0][1], 2, 1,
&ff_mpeg4_DCtab_chrom[0][0], 2, 1, 512);
INIT_VLC_STATIC(&sprite_trajectory, SPRITE_TRAJ_VLC_BITS, 15,
- &sprite_trajectory_tab[0][1], 4, 2,
- &sprite_trajectory_tab[0][0], 4, 2, 128);
+ &ff_sprite_trajectory_tab[0][1], 4, 2,
+ &ff_sprite_trajectory_tab[0][0], 4, 2, 128);
INIT_VLC_STATIC(&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, 16);
+ &ff_mb_type_b_tab[0][1], 2, 1,
+ &ff_mb_type_b_tab[0][0], 2, 1, 16);
}
s->h263_pred = 1;
return 0;
}
-AVCodec mpeg4_decoder = {
- "mpeg4",
- CODEC_TYPE_VIDEO,
- CODEC_ID_MPEG4,
- sizeof(MpegEncContext),
- decode_init,
- NULL,
- ff_h263_decode_end,
- ff_h263_decode_frame,
- CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY,
- .flush= ff_mpeg_flush,
- .long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2"),
- .pix_fmts= ff_hwaccel_pixfmt_list_420,
+static const AVProfile mpeg4_video_profiles[] = {
+ { FF_PROFILE_MPEG4_SIMPLE, "Simple Profile" },
+ { FF_PROFILE_MPEG4_SIMPLE_SCALABLE, "Simple Scalable Profile" },
+ { FF_PROFILE_MPEG4_CORE, "Core Profile" },
+ { FF_PROFILE_MPEG4_MAIN, "Main Profile" },
+ { FF_PROFILE_MPEG4_N_BIT, "N-bit Profile" },
+ { FF_PROFILE_MPEG4_SCALABLE_TEXTURE, "Scalable Texture Profile" },
+ { FF_PROFILE_MPEG4_SIMPLE_FACE_ANIMATION, "Simple Face Animation Profile" },
+ { FF_PROFILE_MPEG4_BASIC_ANIMATED_TEXTURE, "Basic Animated Texture Profile" },
+ { FF_PROFILE_MPEG4_HYBRID, "Hybrid Profile" },
+ { FF_PROFILE_MPEG4_ADVANCED_REAL_TIME, "Advanced Real Time Simple Profile" },
+ { FF_PROFILE_MPEG4_CORE_SCALABLE, "Code Scalable Profile" },
+ { FF_PROFILE_MPEG4_ADVANCED_CODING, "Advanced Coding Profile" },
+ { FF_PROFILE_MPEG4_ADVANCED_CORE, "Advanced Core Profile" },
+ { FF_PROFILE_MPEG4_ADVANCED_SCALABLE_TEXTURE, "Advanced Scalable Texture Profile" },
+ { FF_PROFILE_MPEG4_SIMPLE_STUDIO, "Simple Studio Profile" },
+ { FF_PROFILE_MPEG4_ADVANCED_SIMPLE, "Advanced Simple Profile" },
+};
+
+AVCodec ff_mpeg4_decoder = {
+ .name = "mpeg4",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_MPEG4,
+ .priv_data_size = sizeof(MpegEncContext),
+ .init = decode_init,
+ .close = ff_h263_decode_end,
+ .decode = ff_h263_decode_frame,
+ .capabilities = CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 |
+ CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY |
+ CODEC_CAP_FRAME_THREADS,
+ .flush = ff_mpeg_flush,
+ .long_name = NULL_IF_CONFIG_SMALL("MPEG-4 part 2"),
+ .pix_fmts = ff_hwaccel_pixfmt_list_420,
+ .profiles = NULL_IF_CONFIG_SMALL(mpeg4_video_profiles),
+ .update_thread_context = ONLY_IF_THREADS_ENABLED(ff_mpeg_update_thread_context),
};
#if CONFIG_MPEG4_VDPAU_DECODER
-AVCodec mpeg4_vdpau_decoder = {
- "mpeg4_vdpau",
- CODEC_TYPE_VIDEO,
- CODEC_ID_MPEG4,
- sizeof(MpegEncContext),
- decode_init,
- NULL,
- ff_h263_decode_end,
- ff_h263_decode_frame,
- CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY | CODEC_CAP_HWACCEL_VDPAU,
- .long_name= NULL_IF_CONFIG_SMALL("MPEG-4 part 2 (VDPAU)"),
- .pix_fmts= (const enum PixelFormat[]){PIX_FMT_VDPAU_MPEG4, PIX_FMT_NONE},
+AVCodec ff_mpeg4_vdpau_decoder = {
+ .name = "mpeg4_vdpau",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_MPEG4,
+ .priv_data_size = sizeof(MpegEncContext),
+ .init = decode_init,
+ .close = ff_h263_decode_end,
+ .decode = ff_h263_decode_frame,
+ .capabilities = CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY |
+ CODEC_CAP_HWACCEL_VDPAU,
+ .long_name = NULL_IF_CONFIG_SMALL("MPEG-4 part 2 (VDPAU)"),
+ .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_VDPAU_MPEG4,
+ AV_PIX_FMT_NONE },
};
#endif
projects / ffmpeg / blobdiff