generic-library/ffmpeg
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fixing CODEC_FLAG_GLOBAL_HEADER

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Originally committed as revision 2167 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2003-08-26 20:14:28 +00:00
parent 922bc38d55
commit 22ddd60bc2
2 changed files with 21 additions and 8 deletions
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22
libavcodec/h263.c
View File

@ -69,6 +69,8 @@ static int h263_pred_dc(MpegEncContext * s, int n, uint16_t **dc_val_ptr);
#ifdef CONFIG_ENCODERS
static void mpeg4_inv_pred_ac(MpegEncContext * s, DCTELEM *block, int n,
int dir);
static void mpeg4_encode_visual_object_header(MpegEncContext * s);
static void mpeg4_encode_vol_header(MpegEncContext * s, int vo_number, int vol_number);
#endif //CONFIG_ENCODERS
static void mpeg4_decode_sprite_trajectory(MpegEncContext * s);
static inline int ff_mpeg4_pred_dc(MpegEncContext * s, int n, uint16_t **dc_val_ptr, int *dir_ptr);
@ -1579,6 +1581,19 @@ void h263_encode_init(MpegEncContext *s)
s->luma_dc_vlc_length= uni_DCtab_lum_len;
s->chroma_dc_vlc_length= uni_DCtab_chrom_len;
s->ac_esc_length= 7+2+1+6+1+12+1;
if(s->flags & CODEC_FLAG_GLOBAL_HEADER){
s->avctx->extradata= av_malloc(1024);
init_put_bits(&s->pb, s->avctx->extradata, 1024, NULL, NULL);
mpeg4_encode_visual_object_header(s);
mpeg4_encode_vol_header(s, 0, 0);
// ff_mpeg4_stuffing(&s->pb); ?
flush_put_bits(&s->pb);
s->avctx->extradata_size= (get_bit_count(&s->pb)+7)>>3;
}
break;
case CODEC_ID_H263P:
s->fcode_tab= umv_fcode_tab;
@ -1715,13 +1730,6 @@ void ff_mpeg4_stuffing(PutBitContext * pbc)
void ff_set_mpeg4_time(MpegEncContext * s, int picture_number){
int time_div, time_mod;
if(s->pict_type==I_TYPE){ //we will encode a vol header
int dummy;
av_reduce(&s->time_increment_resolution, &dummy, s->avctx->frame_rate, s->avctx->frame_rate_base, (1<<16)-1);
s->time_increment_bits = av_log2(s->time_increment_resolution - 1) + 1;
}
if(s->current_picture.pts)
s->time= (s->current_picture.pts*s->time_increment_resolution + 500*1000)/(1000*1000);
else

7
libavcodec/mpegvideo.c
View File

@ -549,7 +549,7 @@ void MPV_common_end(MpegEncContext *s)
int MPV_encode_init(AVCodecContext *avctx)
{
MpegEncContext *s = avctx->priv_data;
int i;
int i, dummy;
int chroma_h_shift, chroma_v_shift;
avctx->pix_fmt = PIX_FMT_YUV420P; // FIXME
@ -646,6 +646,9 @@ int MPV_encode_init(AVCodecContext *avctx)
avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift);
av_reduce(&s->time_increment_resolution, &dummy, s->avctx->frame_rate, s->avctx->frame_rate_base, (1<<16)-1);
s->time_increment_bits = av_log2(s->time_increment_resolution - 1) + 1;
switch(avctx->codec->id) {
case CODEC_ID_MPEG1VIDEO:
s->out_format = FMT_MPEG1;
@ -872,6 +875,8 @@ int MPV_encode_end(AVCodecContext *avctx)
MPV_common_end(s);
if (s->out_format == FMT_MJPEG)
mjpeg_close(s);
av_freep(&avctx->extradata);
return 0;
}