diff options
| author | Vignesh Venkatasubramanian <vigneshv-at-google.com@ffmpeg.org> | 2016-06-30 16:16:31 -0700 |
|---|---|---|
| committer | James Zern <jzern@google.com> | 2016-07-12 23:19:50 -0700 |
| commit | acca56d9629b7fc158ce188190d22314c3d92c39 (patch) | |
| tree | 1f0a2f59e519273e3b5ca6887c738f09cfef3135 /libavcodec | |
| parent | 7af44ce2f7c2f7eac5f0bfbc08872cc6b250ccae (diff) | |
libvpx: Enable vp9 alpha encoding
Chrome canary now supports decoding of VP9 streams with alpha
channel [1]. Add support to ffmpeg for creating such files.
[1] https://codereview.chromium.org/2096813002/
Reviewed-by: James Zern <jzern@google.com>
Signed-off-by: Vignesh Venkatasubramanian <vigneshv@google.com>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/libvpx.c | 3 | ||||
| -rw-r--r-- | libavcodec/libvpxenc.c | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/libvpx.c b/libavcodec/libvpx.c index 55edc7ecb5..1eca97a081 100644 --- a/libavcodec/libvpx.c +++ b/libavcodec/libvpx.c @@ -29,12 +29,14 @@ static const enum AVPixelFormat vp9_pix_fmts_def[] = { AV_PIX_FMT_YUV420P, + AV_PIX_FMT_YUVA420P, AV_PIX_FMT_NONE }; #if CONFIG_LIBVPX_VP9_ENCODER static const enum AVPixelFormat vp9_pix_fmts_highcol[] = { AV_PIX_FMT_YUV420P, + AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P, @@ -46,6 +48,7 @@ static const enum AVPixelFormat vp9_pix_fmts_highcol[] = { static const enum AVPixelFormat vp9_pix_fmts_highbd[] = { AV_PIX_FMT_YUV420P, + AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV444P, diff --git a/libavcodec/libvpxenc.c b/libavcodec/libvpxenc.c index 4ea932d779..c5b1b86190 100644 --- a/libavcodec/libvpxenc.c +++ b/libavcodec/libvpxenc.c @@ -284,6 +284,7 @@ static int set_pix_fmt(AVCodecContext *avctx, vpx_codec_caps_t codec_caps, #endif switch (avctx->pix_fmt) { case AV_PIX_FMT_YUV420P: + case AV_PIX_FMT_YUVA420P: enccfg->g_profile = 0; *img_fmt = VPX_IMG_FMT_I420; return 0; |