diff options
Diffstat (limited to 'media/ffmpeg')
-rw-r--r-- | media/ffmpeg/ffmpeg_common.cc | 24 | ||||
-rw-r--r-- | media/ffmpeg/ffmpeg_common.h | 6 |
2 files changed, 30 insertions, 0 deletions
diff --git a/media/ffmpeg/ffmpeg_common.cc b/media/ffmpeg/ffmpeg_common.cc index f1835ce..7807d3f 100644 --- a/media/ffmpeg/ffmpeg_common.cc +++ b/media/ffmpeg/ffmpeg_common.cc @@ -215,6 +215,30 @@ ChannelLayout ChannelLayoutToChromeChannelLayout(int64_t layout, } } +VideoFrame::Format PixelFormatToVideoFormat(PixelFormat pixel_format) { + switch (pixel_format) { + case PIX_FMT_YUV422P: + return VideoFrame::YV16; + case PIX_FMT_YUV420P: + return VideoFrame::YV12; + default: + NOTREACHED() << "Unsupported PixelFormat: " << pixel_format; + } + return VideoFrame::INVALID; +} + +PixelFormat VideoFormatToPixelFormat(VideoFrame::Format video_format) { + switch (video_format) { + case VideoFrame::YV16: + return PIX_FMT_YUV422P; + case VideoFrame::YV12: + return PIX_FMT_YUV420P; + default: + NOTREACHED() << "Unsupported VideoFrame Format: " << video_format; + } + return PIX_FMT_NONE; +} + base::TimeDelta GetFrameDuration(AVStream* stream) { AVRational time_base = { stream->r_frame_rate.den, stream->r_frame_rate.num }; return ConvertFromTimeBase(time_base, 1); diff --git a/media/ffmpeg/ffmpeg_common.h b/media/ffmpeg/ffmpeg_common.h index cc15e58..8808f45 100644 --- a/media/ffmpeg/ffmpeg_common.h +++ b/media/ffmpeg/ffmpeg_common.h @@ -83,6 +83,12 @@ CodecID VideoCodecToCodecID(VideoCodec video_codec); ChannelLayout ChannelLayoutToChromeChannelLayout(int64_t layout, int channels); +// Converts FFmpeg's pixel formats to its corresponding supported video format. +VideoFrame::Format PixelFormatToVideoFormat(PixelFormat pixel_format); + +// Converts video formats to its corresponding FFmpeg's pixel formats. +PixelFormat VideoFormatToPixelFormat(VideoFrame::Format video_format); + // Calculates duration of one frame in the |stream| based on its frame rate. base::TimeDelta GetFrameDuration(AVStream* stream); |