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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/base/format_utils.h"
#include "base/logging.h"
#include "ui/gfx/buffer_format_util.h"
namespace media {
base::Optional<VideoPixelFormat> GfxBufferFormatToVideoPixelFormat(
gfx::BufferFormat format) {
switch (format) {
case gfx::BufferFormat::BGRX_8888:
return PIXEL_FORMAT_XRGB;
case gfx::BufferFormat::BGRA_8888:
return PIXEL_FORMAT_ARGB;
case gfx::BufferFormat::RGBA_8888:
return PIXEL_FORMAT_ABGR;
// There is no PIXEL_FORMAT_XBGR which would have been the right mapping.
// See ui/ozone drm_util.cc::GetFourCCFormatFromBufferFormat as reference.
// But here it is only about indicating to not consider the alpha channel.
// Useful for the compositor to avoid drawing behind as mentioned in
// https://chromium-review.googlesource.com/590772.
case gfx::BufferFormat::RGBX_8888:
return PIXEL_FORMAT_XRGB;
case gfx::BufferFormat::YVU_420:
return PIXEL_FORMAT_YV12;
case gfx::BufferFormat::YUV_420_BIPLANAR:
return PIXEL_FORMAT_NV12;
case gfx::BufferFormat::P010:
return PIXEL_FORMAT_P016LE;
default:
DLOG(WARNING) << "Unsupported BufferFormat: "
<< gfx::BufferFormatToString(format);
return base::nullopt;
}
}
base::Optional<gfx::BufferFormat> VideoPixelFormatToGfxBufferFormat(
VideoPixelFormat pixel_format) {
switch (pixel_format) {
case PIXEL_FORMAT_ARGB:
return gfx::BufferFormat::BGRA_8888;
case PIXEL_FORMAT_XRGB:
return gfx::BufferFormat::BGRX_8888;
case PIXEL_FORMAT_YV12:
return gfx::BufferFormat::YVU_420;
case PIXEL_FORMAT_NV12:
return gfx::BufferFormat::YUV_420_BIPLANAR;
case PIXEL_FORMAT_ABGR:
return gfx::BufferFormat::RGBA_8888;
case PIXEL_FORMAT_XBGR:
return gfx::BufferFormat::RGBX_8888;
case PIXEL_FORMAT_P016LE:
return gfx::BufferFormat::P010;
default:
DLOG(WARNING) << "Unsupported VideoPixelFormat: " << pixel_format;
return base::nullopt;
}
}
} // namespace media
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