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// Copyright (c) 2011 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.
#ifndef MEDIA_VIDEO_PICTURE_H_
#define MEDIA_VIDEO_PICTURE_H_
#include "base/basictypes.h"
#include "ui/gfx/size.h"
struct PP_BufferInfo_Dev;
struct PP_GLESBuffer_Dev;
struct PP_Picture_Dev;
struct PP_SysmemBuffer_Dev;
namespace media {
// Common information about GLES & Sysmem picture buffers.
// This is the media-namespace equivalent of PP_BufferInfo_Dev.
class BaseBuffer {
public:
BaseBuffer(int32 id, gfx::Size size);
BaseBuffer(const PP_BufferInfo_Dev& info);
virtual ~BaseBuffer();
// Returns the client-specified id of the buffer.
int32 id() const {
return id_;
}
// Returns the size of the buffer.
gfx::Size size() const {
return size_;
}
private:
int32 id_;
gfx::Size size_;
};
// A picture buffer that is composed of a GLES2 texture and context.
// This is the media-namespace equivalent of PP_GLESBuffer_Dev.
class GLESBuffer : public BaseBuffer {
public:
GLESBuffer(int32 id, gfx::Size size, uint32 texture_id, uint32 context_id);
GLESBuffer(const PP_GLESBuffer_Dev& buffer);
// Returns the id of the texture.
uint32 texture_id() const {
return texture_id_;
}
// Returns the id of the context in which this texture lives.
// TODO(vrk): I'm not sure if "id" is what we want, or some reference to the
// PPB_Context3D_Dev. Not sure how this eventually gets used.
uint32 context_id() const {
return context_id_;
}
private:
uint32 texture_id_;
uint32 context_id_;
};
// A picture buffer that lives in system memory.
// This is the media-namespace equivalent of PP_SysmemBuffer_Dev.
class SysmemBuffer : public BaseBuffer {
public:
SysmemBuffer(int32 id, gfx::Size size, void* data);
SysmemBuffer(const PP_SysmemBuffer_Dev&);
// Returns a pointer to the buffer data.
void* data() const {
return data_;
}
private:
void* data_;
};
// A decoded picture frame.
// This is the media-namespace equivalent of PP_Picture_Dev.
class Picture {
public:
Picture(int32 picture_buffer_id, int32 bitstream_buffer_id,
gfx::Size visible_size, gfx::Size decoded_size);
Picture(const PP_Picture_Dev& picture);
// Returns the id of the picture buffer where this picture is contained.
int32 picture_buffer_id() const {
return picture_buffer_id_;
}
// Returns the id of the bitstream buffer from which this frame was decoded.
int32 bitstream_buffer_id() const {
return bitstream_buffer_id_;
}
void set_bitstream_buffer_id(int32 bitstream_buffer_id) {
bitstream_buffer_id_ = bitstream_buffer_id;
}
// Returns the visible size of the decoded picture in pixels.
gfx::Size visible_size() const {
return visible_size_;
}
// Returns the decoded size of the decoded picture in pixels.
gfx::Size decoded_size() const {
return decoded_size_;
}
private:
int32 picture_buffer_id_;
int32 bitstream_buffer_id_;
gfx::Size visible_size_;
gfx::Size decoded_size_;
};
} // namespace media
#endif // MEDIA_VIDEO_PICTURE_H_
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