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// Copyright (c) 2010 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 CHROME_COMMON_GPU_VIDEO_COMMON_H_
#define CHROME_COMMON_GPU_VIDEO_COMMON_H_
#include "base/basictypes.h"
#include "base/shared_memory.h"
#include "chrome/common/common_param_traits.h"
#include "media/base/video_frame.h"
// This is used in messages when only buffer flag is meaningful.
extern const int32 kGpuVideoInvalidFrameId;
// Flags assigned to a video buffer for both input and output.
enum GpuVideoBufferFlag {
kGpuVideoEndOfStream = 1 << 0,
kGpuVideoDiscontinuous = 1 << 1,
};
struct GpuVideoDecoderInitParam {
int32 codec_id;
int32 width;
int32 height;
int32 profile;
int32 level;
int32 frame_rate_den;
int32 frame_rate_num;
int32 aspect_ratio_den;
int32 aspect_ratio_num;
};
struct GpuVideoDecoderInitDoneParam {
int32 success; // other parameter is only meaningful when this is true.
int32 input_buffer_size;
base::SharedMemoryHandle input_buffer_handle;
};
struct GpuVideoDecoderInputBufferParam {
int64 timestamp; // In unit of microseconds.
int32 offset;
int32 size;
int32 flags; // Miscellaneous flag bit mask.
};
struct GpuVideoDecoderErrorInfoParam {
int32 error_id; // TODO(jiesun): define enum.
};
// TODO(jiesun): define this.
struct GpuVideoDecoderFormatChangeParam {
int32 input_buffer_size;
base::SharedMemoryHandle input_buffer_handle;
};
namespace IPC {
template <>
struct ParamTraits<GpuVideoDecoderInitParam> {
typedef GpuVideoDecoderInitParam param_type;
static void Write(Message* m, const param_type& p);
static bool Read(const Message* m, void** iter, param_type* r);
static void Log(const param_type& p, std::string* l);
};
template <>
struct ParamTraits<GpuVideoDecoderInitDoneParam> {
typedef GpuVideoDecoderInitDoneParam param_type;
static void Write(Message* m, const param_type& p);
static bool Read(const Message* m, void** iter, param_type* r);
static void Log(const param_type& p, std::string* l);
};
template <>
struct ParamTraits<GpuVideoDecoderInputBufferParam> {
typedef GpuVideoDecoderInputBufferParam param_type;
static void Write(Message* m, const param_type& p);
static bool Read(const Message* m, void** iter, param_type* r);
static void Log(const param_type& p, std::string* l);
};
template <>
struct ParamTraits<GpuVideoDecoderErrorInfoParam> {
typedef GpuVideoDecoderErrorInfoParam param_type;
static void Write(Message* m, const param_type& p);
static bool Read(const Message* m, void** iter, param_type* r);
static void Log(const param_type& p, std::string* l);
};
template <>
struct ParamTraits<GpuVideoDecoderFormatChangeParam> {
typedef GpuVideoDecoderFormatChangeParam param_type;
static void Write(Message* m, const param_type& p);
static bool Read(const Message* m, void** iter, param_type* r);
static void Log(const param_type& p, std::string* l);
};
template <>
struct ParamTraits<media::VideoFrame::Format> {
typedef media::VideoFrame::Format param_type;
static void Write(Message* m, const param_type& p);
static bool Read(const Message* m, void** iter, param_type* p);
static void Log(const param_type& p, std::string* l);
};
} // namespace IPC
#endif // CHROME_COMMON_GPU_VIDEO_COMMON_H_
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