Chromecast: IPC messages for browser-based media pipeline.

chromecast/common/media/cma_param_traits_macros.h

+// Copyright 2014 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.
+
+// Singly or Multiply-included shared traits file depending on circumstances.
+// This allows the use of IPC serialization macros in more than one IPC message
+// file.
+#ifndef CHROMECAST_COMMON_MEDIA_CMA_PARAM_TRAITS_MACROS_H_
+#define CHROMECAST_COMMON_MEDIA_CMA_PARAM_TRAITS_MACROS_H_
+
+#include "chromecast/media/cma/pipeline/load_type.h"
+#include "ipc/ipc_message_macros.h"
+#include "ipc/param_traits_macros.h"
+#include "media/base/audio_decoder_config.h"
+#include "media/base/buffering_state.h"
+#include "media/base/channel_layout.h"
+#include "media/base/pipeline_status.h"
+#include "media/base/sample_format.h"
+#include "media/base/video_decoder_config.h"
+#include "media/base/video_frame.h"
+
+IPC_ENUM_TRAITS_MIN_MAX_VALUE(chromecast::media::LoadType,
+                              chromecast::media::kLoadTypeURL,
+                              chromecast::media::kLoadTypeMediaStream)
+
+// TODO (gunsch): move media enum IPC code to a common location in media.
+// See crbug.com/442594 for details.
+IPC_ENUM_TRAITS_MIN_MAX_VALUE(media::AudioCodec,
+                              media::AudioCodec::kUnknownAudioCodec,
+                              media::AudioCodec::kAudioCodecMax)
+IPC_ENUM_TRAITS_MIN_MAX_VALUE(media::BufferingState,
+                              media::BUFFERING_HAVE_NOTHING,
+                              media::BUFFERING_HAVE_ENOUGH)
+IPC_ENUM_TRAITS_MIN_MAX_VALUE(media::SampleFormat,
+                              media::SampleFormat::kUnknownSampleFormat,
+                              media::SampleFormat::kSampleFormatMax)
+IPC_ENUM_TRAITS_MIN_MAX_VALUE(media::ChannelLayout,
+                              media::ChannelLayout::CHANNEL_LAYOUT_NONE,
+                              media::ChannelLayout::CHANNEL_LAYOUT_MAX)
+IPC_ENUM_TRAITS_MIN_MAX_VALUE(media::PipelineStatus,
+                              media::PIPELINE_OK,
+                              media::PIPELINE_STATUS_MAX)
+IPC_ENUM_TRAITS_MIN_MAX_VALUE(media::VideoCodec,
+                              media::VideoCodec::kUnknownVideoCodec,
+                              media::VideoCodec::kVideoCodecMax)
+IPC_ENUM_TRAITS_MIN_MAX_VALUE(media::VideoCodecProfile,
+                              media::VIDEO_CODEC_PROFILE_MIN,
+                              media::VIDEO_CODEC_PROFILE_MAX)
+IPC_ENUM_TRAITS_MAX_VALUE(media::VideoFrame::Format,
+                          media::VideoFrame::FORMAT_MAX)
+
+IPC_STRUCT_TRAITS_BEGIN(media::PipelineStatistics)
+  IPC_STRUCT_TRAITS_MEMBER(audio_bytes_decoded)
+  IPC_STRUCT_TRAITS_MEMBER(video_bytes_decoded)
+  IPC_STRUCT_TRAITS_MEMBER(video_frames_decoded)
+  IPC_STRUCT_TRAITS_MEMBER(video_frames_dropped)
+IPC_STRUCT_TRAITS_END()
+
+#endif  // CHROMECAST_COMMON_MEDIA_CMA_PARAM_TRAITS_MACROS_H_