| Index: media/base/video_frame.cc
|
| diff --git a/media/base/video_frame.cc b/media/base/video_frame.cc
|
| index f9f789bdbe0d575ef98853f7e6d78b41a48dbe51..3541e6efa4da95bb3e4b41be61841a5c7e43c4f1 100644
|
| --- a/media/base/video_frame.cc
|
| +++ b/media/base/video_frame.cc
|
| @@ -117,7 +117,7 @@ void VideoFrame::ReadPixelsFromNativeTexture(const SkBitmap& pixels) {
|
| }
|
|
|
| // static
|
| -scoped_refptr<VideoFrame> VideoFrame::WrapExternalSharedMemory(
|
| +scoped_refptr<VideoFrame> VideoFrame::WrapExternalPackedMemory(
|
| Format format,
|
| const gfx::Size& coded_size,
|
| const gfx::Rect& visible_rect,
|
| @@ -255,22 +255,53 @@ static inline size_t RoundUp(size_t value, size_t alignment) {
|
|
|
| // static
|
| size_t VideoFrame::AllocationSize(Format format, const gfx::Size& coded_size) {
|
| + size_t total = 0;
|
| + for (size_t i = 0; i < NumPlanes(format); ++i)
|
| + total += PlaneAllocationSize(format, i, coded_size);
|
| + return total;
|
| +}
|
| +
|
| +// static
|
| +size_t VideoFrame::PlaneAllocationSize(Format format,
|
| + size_t plane,
|
| + const gfx::Size& coded_size) {
|
| + const size_t area =
|
| + RoundUp(coded_size.width(), 2) * RoundUp(coded_size.height(), 2);
|
| switch (format) {
|
| case VideoFrame::YV12:
|
| case VideoFrame::I420: {
|
| - const size_t rounded_size =
|
| - RoundUp(coded_size.width(), 2) * RoundUp(coded_size.height(), 2);
|
| - return rounded_size * 3 / 2;
|
| + switch (plane) {
|
| + case VideoFrame::kYPlane:
|
| + return area;
|
| + case VideoFrame::kUPlane:
|
| + case VideoFrame::kVPlane:
|
| + return area / 4;
|
| + default:
|
| + break;
|
| + }
|
| }
|
| case VideoFrame::YV12A: {
|
| - const size_t rounded_size =
|
| - RoundUp(coded_size.width(), 2) * RoundUp(coded_size.height(), 2);
|
| - return rounded_size * 5 / 2;
|
| + switch (plane) {
|
| + case VideoFrame::kYPlane:
|
| + case VideoFrame::kAPlane:
|
| + return area;
|
| + case VideoFrame::kUPlane:
|
| + case VideoFrame::kVPlane:
|
| + return area / 4;
|
| + default:
|
| + break;
|
| + }
|
| }
|
| case VideoFrame::YV16: {
|
| - const size_t rounded_size =
|
| - RoundUp(coded_size.width(), 2) * RoundUp(coded_size.height(), 2);
|
| - return rounded_size * 2;
|
| + switch (plane) {
|
| + case VideoFrame::kYPlane:
|
| + return area;
|
| + case VideoFrame::kUPlane:
|
| + case VideoFrame::kVPlane:
|
| + return area / 2;
|
| + default:
|
| + break;
|
| + }
|
| }
|
| case VideoFrame::UNKNOWN:
|
| case VideoFrame::NATIVE_TEXTURE:
|
| @@ -280,7 +311,8 @@ size_t VideoFrame::AllocationSize(Format format, const gfx::Size& coded_size) {
|
| #endif
|
| break;
|
| }
|
| - NOTREACHED() << "Unsupported video frame format: " << format;
|
| + NOTREACHED() << "Unsupported video frame format/plane: "
|
| + << format << "/" << plane;
|
| return 0;
|
| }
|
|
|
|
|