content/renderer/pepper/pepper_media_stream_track_host_base.cc - Issue 140783004: [PPAPI] Pepper MediaStream API audio track implementation and example.

Side by Side Diff: content/renderer/pepper/pepper_media_stream_track_host_base.cc

Issue 140783004: [PPAPI] Pepper MediaStream API audio track implementation and example. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Fix review issues. Created 6 years, 10 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

View unified diff | Download patch

« content/renderer/pepper/pepper_media_stream_audio_track_host.cc ('K') | « content/renderer/pepper/pepper_media_stream_audio_track_host.cc ('k') | content/renderer/pepper/resource_converter.cc » ('j') | ppapi/examples/media_stream_audio/media_stream_audio.cc » ('J')
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Hide Comments ('s')

OLD	NEW
1 // Copyright 2014 The Chromium Authors. All rights reserved.	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	2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.	3 // found in the LICENSE file.

4	4

5 #include "content/renderer/pepper/pepper_media_stream_track_host_base.h"	5 #include "content/renderer/pepper/pepper_media_stream_track_host_base.h"

6	6

7 #include "base/logging.h"	7 #include "base/logging.h"

8 #include "content/public/renderer/render_thread.h"	8 #include "content/public/renderer/render_thread.h"

9 #include "content/public/renderer/renderer_ppapi_host.h"	9 #include "content/public/renderer/renderer_ppapi_host.h"

10 #include "ppapi/c/pp_errors.h"	10 #include "ppapi/c/pp_errors.h"

(...skipping 21 matching lines...) Expand all Loading...
32 }	32 }

33	33

34 bool PepperMediaStreamTrackHostBase::InitFrames(int32_t number_of_frames,	34 bool PepperMediaStreamTrackHostBase::InitFrames(int32_t number_of_frames,

35 int32_t frame_size) {	35 int32_t frame_size) {

36 DCHECK_GT(number_of_frames, 0);	36 DCHECK_GT(number_of_frames, 0);

37 DCHECK_GT(frame_size,	37 DCHECK_GT(frame_size,

38 static_cast<int32_t>(sizeof(ppapi::MediaStreamFrame::Header)));	38 static_cast<int32_t>(sizeof(ppapi::MediaStreamFrame::Header)));

39 // Make each frame 4 byte aligned.	39 // Make each frame 4 byte aligned.

40 frame_size = (frame_size + 3) & ~0x3;	40 frame_size = (frame_size + 3) & ~0x3;

41	41

	42 // TODO(penghuang): \|HostAllocateSharedMemoryBuffer\| uses sync IPC. We should

	43 // avoid it.

42 int32_t size = number_of_frames * frame_size;	44 int32_t size = number_of_frames * frame_size;

43 content::RenderThread* render_thread = content::RenderThread::Get();	45 content::RenderThread* render_thread = content::RenderThread::Get();

44 scoped_ptr<base::SharedMemory> shm(	46 scoped_ptr<base::SharedMemory> shm(

45 render_thread->HostAllocateSharedMemoryBuffer(size).Pass());	47 render_thread->HostAllocateSharedMemoryBuffer(size).Pass());

46 if (!shm)	48 if (!shm)

47 return false;	49 return false;

48	50

49 base::SharedMemoryHandle shm_handle = shm->handle();	51 base::SharedMemoryHandle shm_handle = shm->handle();

50 if (!frame_buffer_.SetFrames(number_of_frames, frame_size, shm.Pass(), true))	52 if (!frame_buffer_.SetFrames(number_of_frames, frame_size, shm.Pass(), true))

51 return false;	53 return false;

(...skipping 41 matching lines...) Expand 10 before \| Expand all \| Expand 10 after Loading...
93 return PP_OK;	95 return PP_OK;

94 }	96 }

95	97

96 int32_t PepperMediaStreamTrackHostBase::OnHostMsgClose(	98 int32_t PepperMediaStreamTrackHostBase::OnHostMsgClose(

97 HostMessageContext* context) {	99 HostMessageContext* context) {

98 OnClose();	100 OnClose();

99 return PP_OK;	101 return PP_OK;

100 }	102 }

101	103

102 } // namespace content	104 } // namespace content

OLD	NEW