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Fix mb_height for interlaced mpeg2.

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This correctly fixes issue961, thanks to steven warren for spotting my mistake.

Originally committed as revision 18381 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2009-04-08 20:48:44 +00:00
parent e90f5b5ab1
commit 0127b86108
2 changed files with 6 additions and 1 deletions
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4
libavcodec/mpeg12.c
View File

@ -1160,7 +1160,7 @@ typedef struct Mpeg1Context {
int slice_count;
int swap_uv;//indicate VCR2
int save_aspect_info;
int save_width, save_height;
int save_width, save_height, save_progressive_seq;
AVRational frame_rate_ext; ///< MPEG-2 specific framerate modificator
} Mpeg1Context;
@ -1238,6 +1238,7 @@ static int mpeg_decode_postinit(AVCodecContext *avctx){
s1->save_width != s->width ||
s1->save_height != s->height ||
s1->save_aspect_info != s->aspect_ratio_info||
s1->save_progressive_seq != s->progressive_sequence ||
0)
{
@ -1256,6 +1257,7 @@ static int mpeg_decode_postinit(AVCodecContext *avctx){
s1->save_aspect_info = s->aspect_ratio_info;
s1->save_width = s->width;
s1->save_height = s->height;
s1->save_progressive_seq = s->progressive_sequence;
/* low_delay may be forced, in this case we will have B-frames
* that behave like P-frames. */

3
libavcodec/mpegvideo.c
View File

@ -444,6 +444,9 @@ av_cold int MPV_common_init(MpegEncContext *s)
{
int y_size, c_size, yc_size, i, mb_array_size, mv_table_size, x, y, threads;
if(s->codec_id == CODEC_ID_MPEG2VIDEO && !s->progressive_sequence)
s->mb_height = (s->height + 31) / 32 * 2;
else
s->mb_height = (s->height + 15) / 16;
if(s->avctx->pix_fmt == PIX_FMT_NONE){