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| author | Ramiro Polla <ramiro.polla@gmail.com> | 2009-11-25 17:14:48 +0000 |
|---|---|---|
| committer | Ramiro Polla <ramiro.polla@gmail.com> | 2009-11-25 17:14:48 +0000 |
| commit | f2526204a40ed2ea49c0023cb561f05cccfe4196 (patch) | |
| tree | 99a39c6cad7dc9acf7f5d120970c1b720e047f10 /libavcodec/imgconvert.c | |
| parent | 800841fd0c6c686c62bdd482e46b6c61b72fa531 (diff) | |
Fix nv12/nv21 handling. linesize for plane 1 should account for both chroma
planes instead of just doubling the height while computing plane sizes. Also
adjust avpicture_layout() to copy the correct amount of data for plane 1.
Originally committed as revision 20610 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/imgconvert.c')
| -rw-r--r-- | libavcodec/imgconvert.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/libavcodec/imgconvert.c b/libavcodec/imgconvert.c index e83c5136b0..bf9ed39287 100644 --- a/libavcodec/imgconvert.c +++ b/libavcodec/imgconvert.c @@ -689,7 +689,7 @@ int ff_fill_linesize(AVPicture *picture, enum PixelFormat pix_fmt, int width) case PIX_FMT_NV21: w2 = (width + (1 << pinfo->x_chroma_shift) - 1) >> pinfo->x_chroma_shift; picture->linesize[0] = width; - picture->linesize[1] = w2; + picture->linesize[1] = 2 * w2; break; case PIX_FMT_RGB24: case PIX_FMT_BGR24: @@ -789,12 +789,12 @@ int ff_fill_pointer(AVPicture *picture, uint8_t *ptr, enum PixelFormat pix_fmt, case PIX_FMT_NV12: case PIX_FMT_NV21: h2 = (height + (1 << pinfo->y_chroma_shift) - 1) >> pinfo->y_chroma_shift; - size2 = picture->linesize[1] * h2 * 2; + size2 = picture->linesize[1] * h2; picture->data[0] = ptr; picture->data[1] = picture->data[0] + size; picture->data[2] = NULL; picture->data[3] = NULL; - return size + 2 * size2; + return size + size2; case PIX_FMT_RGB24: case PIX_FMT_BGR24: case PIX_FMT_ARGB: @@ -904,6 +904,8 @@ int avpicture_layout(const AVPicture* src, enum PixelFormat pix_fmt, int width, if (i == 1) { w = ((width >> pf->x_chroma_shift) * pf->depth + 7) / 8; h = height >> pf->y_chroma_shift; + if (pix_fmt == PIX_FMT_NV12 || pix_fmt == PIX_FMT_NV21) + w <<= 1; } else if (i == 3) { w = ow; h = oh; |