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// Copyright (c) 2012 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 "webkit/media/webvideoframe_impl.h"
#include "base/logging.h"
#include "media/base/video_frame.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebVideoFrame.h"
using WebKit::WebVideoFrame;
namespace webkit_media {
media::VideoFrame* WebVideoFrameImpl::toVideoFrame(
WebVideoFrame* web_video_frame) {
WebVideoFrameImpl* wrapped_frame =
static_cast<WebVideoFrameImpl*>(web_video_frame);
if (wrapped_frame)
return wrapped_frame->video_frame_.get();
return NULL;
}
WebVideoFrameImpl::WebVideoFrameImpl(
scoped_refptr<media::VideoFrame> video_frame)
: video_frame_(video_frame) {
}
WebVideoFrameImpl::~WebVideoFrameImpl() {}
#define COMPILE_ASSERT_MATCHING_ENUM(webkit_name, chromium_name) \
COMPILE_ASSERT(int(WebKit::WebVideoFrame::webkit_name) == \
int(media::VideoFrame::chromium_name), \
mismatching_enums)
COMPILE_ASSERT_MATCHING_ENUM(FormatInvalid, INVALID);
COMPILE_ASSERT_MATCHING_ENUM(FormatRGB555, RGB555);
COMPILE_ASSERT_MATCHING_ENUM(FormatRGB565, RGB565);
COMPILE_ASSERT_MATCHING_ENUM(FormatRGB24, RGB24);
COMPILE_ASSERT_MATCHING_ENUM(FormatRGB32, RGB32);
COMPILE_ASSERT_MATCHING_ENUM(FormatRGBA, RGBA);
COMPILE_ASSERT_MATCHING_ENUM(FormatYV12, YV12);
COMPILE_ASSERT_MATCHING_ENUM(FormatYV16, YV16);
COMPILE_ASSERT_MATCHING_ENUM(FormatNV12, NV12);
COMPILE_ASSERT_MATCHING_ENUM(FormatEmpty, EMPTY);
COMPILE_ASSERT_MATCHING_ENUM(FormatASCII, ASCII);
COMPILE_ASSERT_MATCHING_ENUM(FormatI420, I420);
COMPILE_ASSERT_MATCHING_ENUM(FormatNativeTexture, NATIVE_TEXTURE);
WebVideoFrame::Format WebVideoFrameImpl::format() const {
if (video_frame_.get())
return static_cast<WebVideoFrame::Format>(video_frame_->format());
return WebVideoFrame::FormatInvalid;
}
unsigned WebVideoFrameImpl::width() const {
if (video_frame_.get())
return video_frame_->width();
return 0;
}
unsigned WebVideoFrameImpl::height() const {
if (video_frame_.get())
return video_frame_->height();
return 0;
}
unsigned WebVideoFrameImpl::planes() const {
if (!video_frame_.get())
return 0;
switch (video_frame_->format()) {
case media::VideoFrame::RGB555:
case media::VideoFrame::RGB565:
case media::VideoFrame::RGB24:
case media::VideoFrame::RGB32:
case media::VideoFrame::RGBA:
return 1;
case media::VideoFrame::YV12:
case media::VideoFrame::YV16:
return 3;
case media::VideoFrame::INVALID:
case media::VideoFrame::NV12:
case media::VideoFrame::EMPTY:
case media::VideoFrame::ASCII:
case media::VideoFrame::I420:
break;
case media::VideoFrame::NATIVE_TEXTURE:
return 0;
}
NOTREACHED();
return 0;
}
int WebVideoFrameImpl::stride(unsigned plane) const {
if (video_frame_.get())
return static_cast<int>(video_frame_->stride(plane));
return 0;
}
const void* WebVideoFrameImpl::data(unsigned plane) const {
if (!video_frame_.get() || format() == FormatNativeTexture)
return NULL;
return static_cast<const void*>(video_frame_->data(plane));
}
unsigned WebVideoFrameImpl::textureId() const {
if (!video_frame_.get() || format() != FormatNativeTexture)
return 0;
return video_frame_->texture_id();
}
unsigned WebVideoFrameImpl::textureTarget() const {
if (!video_frame_.get() || format() != FormatNativeTexture)
return 0;
return video_frame_->texture_target();
}
} // namespace webkit_media
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