diff options
Diffstat (limited to 'libavcore/imgutils.c')
| -rw-r--r-- | libavcore/imgutils.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/libavcore/imgutils.c b/libavcore/imgutils.c index c891212009..3bbac8b031 100644 --- a/libavcore/imgutils.c +++ b/libavcore/imgutils.c @@ -152,6 +152,40 @@ void av_image_copy_plane(uint8_t *dst, int dst_linesize, } } +void av_image_copy(uint8_t *dst_data[4], int dst_linesize[4], + const uint8_t *src_data[4], const int src_linesize[4], + enum PixelFormat pix_fmt, int width, int height) +{ + const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[pix_fmt]; + + if (desc->flags & PIX_FMT_HWACCEL) + return; + + if (desc->flags & PIX_FMT_PAL) { + av_image_copy_plane(dst_data[0], dst_linesize[0], + src_data[0], src_linesize[0], + width, height); + /* copy the palette */ + memcpy(dst_data[1], src_data[1], 4*256); + } else { + int i, planes_nb = 0; + + for (i = 0; i < desc->nb_components; i++) + planes_nb = FFMAX(planes_nb, desc->comp[i].plane + 1); + + for (i = 0; i < planes_nb; i++) { + int h = height; + int bwidth = av_image_get_linesize(pix_fmt, width, i); + if (i == 1 || i == 2) { + h= -((-height)>>desc->log2_chroma_h); + } + av_image_copy_plane(dst_data[i], dst_linesize[i], + src_data[i], src_linesize[i], + bwidth, h); + } + } +} + #if FF_API_OLD_IMAGE_NAMES void av_fill_image_max_pixsteps(int max_pixsteps[4], int max_pixstep_comps[4], const AVPixFmtDescriptor *pixdesc) |