generic-library/ffmpeg
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Do not crash on frame size changes.

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Fixes issue1481.

Originally committed as revision 20730 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2009-12-04 16:20:00 +00:00
parent d09f65c7ec
commit b83ccbffe9
1 changed files with 12 additions and 4 deletions
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16
ffmpeg.c
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@ -941,6 +941,15 @@ static void do_video_out(AVFormatContext *s,
}
}
if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
|| (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
|| (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
fprintf(stderr,"Input Stream #%d.%d frame size changed to %dx%d, %s\n", ist->file_index, ist->index, ist->st->codec->width, ist->st->codec->height,avcodec_get_pix_fmt_name(ist->st->codec->pix_fmt));
if(!ost->video_resample)
av_exit(1);
}
if (ost->video_resample) {
padding_src = NULL;
final_picture = &ost->pict_tmp;
@ -948,7 +957,6 @@ static void do_video_out(AVFormatContext *s,
|| (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
|| (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
fprintf(stderr,"Input Stream #%d.%d frame size changed to %dx%d, %s\n", ist->file_index, ist->index, ist->st->codec->width, ist->st->codec->height,avcodec_get_pix_fmt_name(ist->st->codec->pix_fmt));
/* keep bands proportional to the frame size */
topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
@ -1940,11 +1948,11 @@ static int av_encode(AVFormatContext **output_files,
ost->original_height = icodec->height;
ost->original_width = icodec->width;
ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
ost->resample_pix_fmt= icodec->pix_fmt;
codec->bits_per_raw_sample= 0;
}
ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
ost->resample_pix_fmt= icodec->pix_fmt;
ost->encoding_needed = 1;
ist->decoding_needed = 1;
break;