virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-08-10 06:10:52 +02:00
Code Issues Releases Activity

Merge commit '41a10f3ba149a2012de499d0b4ad4955d81f28d5'

Browse Source 
* commit '41a10f3ba149a2012de499d0b4ad4955d81f28d5':
  vp6: Support cropping to AVCodecContext.width/height

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2013-10-10 11:37:36 +02:00
parent 5fcd0a80a2 41a10f3ba1
commit 70025c07a7
1 changed files with 14 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
libavcodec/vp6.c
View File

@@ -83,11 +83,21 @@ static int vp6_parse_header(VP56Context *s, const uint8_t *buf, int buf_size)
if (!s->macroblocks || /* first frame */
16*cols != s->avctx->coded_width ||
16*rows != s->avctx->coded_height) {
if (s->avctx->extradata_size == 0 &&
FFALIGN(s->avctx->width, 16) == 16 * cols &&
FFALIGN(s->avctx->height, 16) == 16 * rows) {
// We assume this is properly signalled container cropping,
// in an F4V file. Just set the coded_width/height, don't
// touch the cropped ones.
s->avctx->coded_width = 16 * cols;
s->avctx->coded_height = 16 * rows;
} else {
avcodec_set_dimensions(s->avctx, 16 * cols, 16 * rows);
if (s->avctx->extradata_size == 1) {
s->avctx->width -= s->avctx->extradata[0] >> 4;
s->avctx->height -= s->avctx->extradata[0] & 0x0F;
}
}
res = VP56_SIZE_CHANGE;
}