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Code Issues Releases Activity

mpeg4 header encoding bugfix

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Originally committed as revision 1392 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2003-01-03 23:21:52 +00:00
parent 001bcd2955
commit 70ac76c0eb
4 changed files with 23 additions and 11 deletions
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21
libavcodec/avcodec.h
View File

@ -5,8 +5,8 @@
#define LIBAVCODEC_VERSION_INT 0x000406
#define LIBAVCODEC_VERSION "0.4.6"
#define LIBAVCODEC_BUILD 4650
#define LIBAVCODEC_BUILD_STR "4650"
#define LIBAVCODEC_BUILD 4651
#define LIBAVCODEC_BUILD_STR "4651"
enum CodecID {
CODEC_ID_NONE,
@ -147,6 +147,7 @@ static const int Motion_Est_QTab[] = { ME_ZERO, ME_PHODS, ME_LOG,
#define CODEC_FLAG_LOW_DELAY 0x00080000 /* force low delay / will fail on b frames */
#define CODEC_FLAG_ALT_SCAN 0x00100000 /* use alternate scan */
#define CODEC_FLAG_TRELLIS_QUANT 0x00200000 /* use trellis quantization */
#define CODEC_FLAG_GLOBAL_HEADER 0x00400000 /* place global headers in extradata instead of every keyframe */
/* codec capabilities */
@ -894,7 +895,7 @@ typedef struct AVCodecContext {
* decoding: unused
*/
int last_predictor_count;
/**
* pre pass for motion estimation
* encoding: set by user.
@ -902,6 +903,20 @@ typedef struct AVCodecContext {
*/
int pre_me;
/**
* motion estimation pre pass compare function
* encoding: set by user.
* decoding: unused
*/
int me_pre_cmp;
/**
* ME pre pass diamond size & shape
* encoding: set by user.
* decoding: unused
*/
int pre_dia_size;
} AVCodecContext;
typedef struct AVCodec {

4
libavcodec/h263.c
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@ -1727,11 +1727,9 @@ void mpeg4_encode_picture_header(MpegEncContext * s, int picture_number)
int time_div, time_mod;
if(s->pict_type==I_TYPE){
if(picture_number - s->last_vo_picture_number >= 300 || picture_number==0){
if(!(s->flags&CODEC_FLAG_GLOBAL_HEADER)){
mpeg4_encode_visual_object_header(s);
mpeg4_encode_vol_header(s, 0, 0);
s->last_vo_picture_number= picture_number;
}
mpeg4_encode_gop_header(s);
}

1
libavcodec/mpegvideo.h
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@ -443,7 +443,6 @@ typedef struct MpegEncContext {
INT8 (*field_select_table)[2]; /* wtf, no really another table for interlaced b frames */
int t_frame; /* time distance of first I -> B, used for interlaced b frames */
int padding_bug_score; /* used to detect the VERY common padding bug in MPEG4 */
int last_vo_picture_number; /* last picture number for which we added a VOS/VO/VOL header */
/* divx specific, used to workaround (many) bugs in divx5 */
int divx_version;

8
tests/ffmpeg.regression.ref
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@ -11,12 +11,12 @@ a6527e93fe0e2e5942934efbde59f78b *./data/a-h263.avi
f3bc40b0a09eb06504fa5b51eb9135ee *./data/out.yuv
a11e0b741fa3c7fc491fb58ab8f7ca8d *./data/a-h263p.avi
615e3db2bdc535ca5b17996b29cabf24 *./data/out.yuv
466e2365c9027dea8695cf205adf3b9d *./data/a-odivx.avi
67a4922527e2341d11d6a61c79b497e5 *./data/a-odivx.avi
3ede54eadc97f43b4ab260faeb5e8674 *./data/out.yuv
5811f89254bc1f59528247f3daf11c1f *./data/a-mpeg4-rc.avi
4fdf373ede0785cc381687b8f1b207d4 *./data/a-mpeg4-rc.avi
d34057ff0806320c8be54fe34210c937 *./data/out.yuv
d0c2e8f437f0a08470764e1f12dd1ec6 *./data/a-mpeg4-adv.avi
1a2795985b820b4ed5064abf4187fd9a *./data/out.yuv
2abefdb7650d076021ad455cc5ef040e *./data/a-mpeg4-adv.avi
a26abb66bf9c5f5df3ab971dfdf1189d *./data/out.yuv
2846c8e3d97d7395eb746bfce44e0443 *./data/a-mjpeg.avi
278033451d7a6bfeb8339abbe4228499 *./data/out.yuv
b5f5efce96150d5cc8f5af8024ae3688 *./data/a-rv10.rm