chromecast/common/media/cma_messages.h - Issue 797793004: Chromecast: IPC messages for browser-based media pipeline.

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Issue 797793004: Chromecast: IPC messages for browser-based media pipeline. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: rebase Created 6 years ago

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	1 // Copyright 2014 The Chromium Authors. All rights reserved.

	2 // Use of this source code is governed by a BSD-style license that can be

	3 // found in the LICENSE file.

	4

	5 // IPC messages for the Cast Media Acceleration (CMA) pipeline.

	6 // Multiply-included message file, hence no include guard.

	7

	8 #include "chromecast/common/media/cma_param_traits.h"

	9 #include "chromecast/common/media/cma_param_traits_macros.h"

	10 #include "chromecast/media/cma/pipeline/load_type.h"

	11 #include "content/public/common/common_param_traits.h"

	12 #include "ipc/ipc_message_macros.h"

	13 #include "media/base/audio_decoder_config.h"

	14 #include "media/base/buffering_state.h"

	15 #include "media/base/pipeline_status.h"

	16 #include "media/base/video_decoder_config.h"

	17 #include "ui/gfx/ipc/gfx_param_traits.h"

	18

	19 #undef IPC_MESSAGE_EXPORT

	20 #define IPC_MESSAGE_EXPORT

	21 #define IPC_MESSAGE_START CastMediaMsgStart

	22

	23 // Messages sent from the renderer to the browser process.

	24

	25 IPC_MESSAGE_CONTROL2(CmaHostMsg_CreateMedia,

	26 int /* Media pipeline ID */,

	27 chromecast::media::LoadType /* Load type */)

	28 IPC_MESSAGE_CONTROL1(CmaHostMsg_DestroyMedia,

	29 int /* Media pipeline ID */)

	30 IPC_MESSAGE_CONTROL3(CmaHostMsg_SetCdm,

	31 int /* Media pipeline ID */,

	32 int /* render_frame_id */,

	33 int /* cdm_id */)

	34 IPC_MESSAGE_CONTROL2(CmaHostMsg_StartPlayingFrom,

	35 int /* Media pipeline ID */,

	36 base::TimeDelta /* Timestamp */)

	37 IPC_MESSAGE_CONTROL1(CmaHostMsg_Flush,

	38 int /* Media pipeline ID */)

	39 IPC_MESSAGE_CONTROL1(CmaHostMsg_Stop,

	40 int /* Media pipeline ID */)

	41 IPC_MESSAGE_CONTROL2(CmaHostMsg_SetPlaybackRate,

	42 int /* Media pipeline ID */,

	43 float /* Playback rate */)

	44

	45 IPC_MESSAGE_CONTROL3(CmaHostMsg_CreateAvPipe,

	46 int /* Media pipeline ID */,

	47 int /* Track ID */,

	48 size_t /* Fifo size */);

	49 IPC_MESSAGE_CONTROL3(CmaHostMsg_AudioInitialize,

	50 int /* Media pipeline ID */,

	51 int /* Track ID */,

	52 media::AudioDecoderConfig /* Audio config */)

	53 IPC_MESSAGE_CONTROL3(CmaHostMsg_VideoInitialize,

	54 int /* Media pipeline ID */,

	55 int /* Track ID */,

	56 media::VideoDecoderConfig /* Video config */)

	57 IPC_MESSAGE_CONTROL3(CmaHostMsg_SetVolume,

	58 int /* Media pipeline ID */,

	59 int /* Track ID */,

	60 float /* Volume */)

	61 IPC_MESSAGE_CONTROL2(CmaHostMsg_NotifyPipeWrite,

	62 int /* Media pipeline ID */,

	63 int /* Track ID */)

	64

	65 IPC_MESSAGE_CONTROL5(CmaHostMsg_NotifyExternalSurface,

	66 int /* Surface ID */,

	67 gfx::PointF /* Quad video top left */,

	68 gfx::PointF /* Quad video top right */,

	69 gfx::PointF /* Quad video bottim right */,

	70 gfx::PointF /* Quad video bottom left */)

	71

	72 // Messages from the browser to the renderer process.

	73

	74 IPC_MESSAGE_CONTROL2(CmaMsg_MediaStateChanged,

	75 int /* Media pipeline ID */,

	76 media::PipelineStatus /* Status */)

	77 IPC_MESSAGE_CONTROL4(CmaMsg_TimeUpdate,

	78 int /* Media pipeline ID */,

	79 base::TimeDelta /* Media time */,

	80 base::TimeDelta /* Max media time */,

	81 base::TimeTicks /* STC */)

	82 IPC_MESSAGE_CONTROL2(CmaMsg_BufferingNotification,

	83 int /* Media pipeline ID */,

	84 media::BufferingState /* Buffering state */)

	85

	86 IPC_MESSAGE_CONTROL5(CmaMsg_AvPipeCreated,

	87 int /* Media pipeline ID */,

	88 int /* Track ID */,

	89 bool /* Status */,

	90 base::SharedMemoryHandle /* Shared memory */,

	91 base::FileDescriptor /* socket handle */)

	92 IPC_MESSAGE_CONTROL3(CmaMsg_TrackStateChanged,

	93 int /* Media pipeline ID */,

	94 int /* Track ID */,

	95 media::PipelineStatus /* Status */)

	96 IPC_MESSAGE_CONTROL2(CmaMsg_NotifyPipeRead,

	97 int /* Media pipeline ID */,

	98 int /* Track ID */)

	99

	100 IPC_MESSAGE_CONTROL2(CmaMsg_Eos,

	101 int /* Media pipeline ID */,

	102 int /* Track ID */)

	103 IPC_MESSAGE_CONTROL3(CmaMsg_PlaybackError,

	104 int /* Media pipeline ID */,

	105 int /* Track ID */,

	106 media::PipelineStatus /* status */)

	107 IPC_MESSAGE_CONTROL3(CmaMsg_PlaybackStatistics,

	108 int /* Media pipeline ID */,

	109 int /* Track ID */,

	110 media::PipelineStatistics /* status */)

	111 IPC_MESSAGE_CONTROL3(CmaMsg_NaturalSizeChanged,

	112 int /* Media pipeline ID */,

	113 int /* Track ID */,

	114 gfx::Size /* Size */)

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