* Copyright (c) 2001 Fabrice Bellard
* Copyright (c) 2002-2004 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
*/
* H.263 decoder.
*/
+#include "libavutil/cpu.h"
#include "internal.h"
#include "avcodec.h"
#include "dsputil.h"
//printf("%d %d %06X\n", ret, get_bits_count(&s->gb), show_bits(&s->gb, 24));
ret= s->decode_mb(s, s->block);
- if (s->pict_type!=FF_B_TYPE)
+ if (s->pict_type!=AV_PICTURE_TYPE_B)
ff_h263_update_motion_val(s);
if(ret<0){
assert(s->mb_x==0 && s->mb_y==s->mb_height);
+ if(s->codec_id==CODEC_ID_MPEG4
+ && (s->workaround_bugs&FF_BUG_AUTODETECT)
+ && get_bits_left(&s->gb) >= 48
+ && show_bits(&s->gb, 24)==0x4010
+ && !s->data_partitioning)
+ s->padding_bug_score+=32;
+
/* try to detect the padding bug */
if( s->codec_id==CODEC_ID_MPEG4
&& (s->workaround_bugs&FF_BUG_AUTODETECT)
int max_extra=7;
/* no markers in M$ crap */
- if(s->msmpeg4_version && s->pict_type==FF_I_TYPE)
+ if(s->msmpeg4_version && s->pict_type==AV_PICTURE_TYPE_I)
max_extra+= 17;
/* buggy padding but the frame should still end approximately at the bitstream end */
s->workaround_bugs, s->lavc_build, s->xvid_build, s->divx_version, s->divx_build,
s->divx_packed ? "p" : "");
-#if 0 // dump bits per frame / qp / complexity
-{
- static FILE *f=NULL;
- if(!f) f=fopen("rate_qp_cplx.txt", "w");
- fprintf(f, "%d %d %f\n", buf_size, s->qscale, buf_size*(double)s->qscale);
-}
-#endif
-
#if HAVE_MMX
- if(s->codec_id == CODEC_ID_MPEG4 && s->xvid_build>=0 && avctx->idct_algo == FF_IDCT_AUTO && (mm_flags & FF_MM_MMX)){
+ if (s->codec_id == CODEC_ID_MPEG4 && s->xvid_build>=0 && avctx->idct_algo == FF_IDCT_AUTO && (av_get_cpu_flags() & AV_CPU_FLAG_MMX)) {
avctx->idct_algo= FF_IDCT_XVIDMMX;
avctx->coded_width= 0; // force reinit
// dsputil_init(&s->dsp, avctx);
if((s->codec_id==CODEC_ID_H263 || s->codec_id==CODEC_ID_H263P || s->codec_id == CODEC_ID_H263I))
s->gob_index = ff_h263_get_gob_height(s);
- // for hurry_up==5
+ // for skipping the frame
s->current_picture.pict_type= s->pict_type;
- s->current_picture.key_frame= s->pict_type == FF_I_TYPE;
+ s->current_picture.key_frame= s->pict_type == AV_PICTURE_TYPE_I;
/* skip B-frames if we don't have reference frames */
- if(s->last_picture_ptr==NULL && (s->pict_type==FF_B_TYPE || s->dropable)) return get_consumed_bytes(s, buf_size);
- /* skip b frames if we are in a hurry */
- if(avctx->hurry_up && s->pict_type==FF_B_TYPE) return get_consumed_bytes(s, buf_size);
- if( (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type==FF_B_TYPE)
- || (avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type!=FF_I_TYPE)
+ if(s->last_picture_ptr==NULL && (s->pict_type==AV_PICTURE_TYPE_B || s->dropable)) return get_consumed_bytes(s, buf_size);
+ if( (avctx->skip_frame >= AVDISCARD_NONREF && s->pict_type==AV_PICTURE_TYPE_B)
+ || (avctx->skip_frame >= AVDISCARD_NONKEY && s->pict_type!=AV_PICTURE_TYPE_I)
|| avctx->skip_frame >= AVDISCARD_ALL)
return get_consumed_bytes(s, buf_size);
- /* skip everything if we are in a hurry>=5 */
- if(avctx->hurry_up>=5) return get_consumed_bytes(s, buf_size);
if(s->next_p_frame_damaged){
- if(s->pict_type==FF_B_TYPE)
+ if(s->pict_type==AV_PICTURE_TYPE_B)
return get_consumed_bytes(s, buf_size);
else
s->next_p_frame_damaged=0;
}
- if((s->avctx->flags2 & CODEC_FLAG2_FAST) && s->pict_type==FF_B_TYPE){
+ if((s->avctx->flags2 & CODEC_FLAG2_FAST) && s->pict_type==AV_PICTURE_TYPE_B){
s->me.qpel_put= s->dsp.put_2tap_qpel_pixels_tab;
s->me.qpel_avg= s->dsp.avg_2tap_qpel_pixels_tab;
- }else if((!s->no_rounding) || s->pict_type==FF_B_TYPE){
+ }else if((!s->no_rounding) || s->pict_type==AV_PICTURE_TYPE_B){
s->me.qpel_put= s->dsp.put_qpel_pixels_tab;
s->me.qpel_avg= s->dsp.avg_qpel_pixels_tab;
}else{
decode_slice(s);
}
- if (s->h263_msmpeg4 && s->msmpeg4_version<4 && s->pict_type==FF_I_TYPE)
+ if (s->h263_msmpeg4 && s->msmpeg4_version<4 && s->pict_type==AV_PICTURE_TYPE_I)
if(!CONFIG_MSMPEG4_DECODER || msmpeg4_decode_ext_header(s, buf_size) < 0){
s->error_status_table[s->mb_num-1]= AC_ERROR|DC_ERROR|MV_ERROR;
}
assert(s->current_picture.pict_type == s->current_picture_ptr->pict_type);
assert(s->current_picture.pict_type == s->pict_type);
- if (s->pict_type == FF_B_TYPE || s->low_delay) {
+ if (s->pict_type == AV_PICTURE_TYPE_B || s->low_delay) {
*pict= *(AVFrame*)s->current_picture_ptr;
} else if (s->last_picture_ptr != NULL) {
*pict= *(AVFrame*)s->last_picture_ptr;
return get_consumed_bytes(s, buf_size);
}
-AVCodec h263_decoder = {
+AVCodec ff_h263_decoder = {
"h263",
AVMEDIA_TYPE_VIDEO,
CODEC_ID_H263,
ff_h263_decode_frame,
CODEC_CAP_DRAW_HORIZ_BAND | CODEC_CAP_DR1 | CODEC_CAP_TRUNCATED | CODEC_CAP_DELAY,
.flush= ff_mpeg_flush,
+ .max_lowres= 3,
.long_name= NULL_IF_CONFIG_SMALL("H.263 / H.263-1996, H.263+ / H.263-1998 / H.263 version 2"),
.pix_fmts= ff_hwaccel_pixfmt_list_420,
};