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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 #include "ppapi/proxy/audio_frame_resource.h" | |
| 6 | |
| 7 #include "base/logging.h" | |
| 8 #include "ppapi/c/pp_bool.h" | |
| 9 #include "ppapi/shared_impl/media_stream_buffer.h" | |
| 10 #include "ppapi/shared_impl/var.h" | |
| 11 | |
| 12 namespace ppapi { | |
| 13 namespace proxy { | |
| 14 | |
| 15 AudioFrameResource::AudioFrameResource(PP_Instance instance, | |
| 16 int32_t index, | |
| 17 MediaStreamBuffer* buffer) | |
| 18 : Resource(OBJECT_IS_PROXY, instance), | |
| 19 index_(index), | |
| 20 buffer_(buffer) { | |
| 21 DCHECK_EQ(buffer_->header.type, MediaStreamBuffer::TYPE_AUDIO); | |
| 22 } | |
| 23 | |
| 24 AudioFrameResource::~AudioFrameResource() { | |
| 25 CHECK(!buffer_) << "An unused (or unrecycled) frame is destroyed."; | |
| 26 } | |
| 27 | |
| 28 thunk::PPB_AudioFrame_API* AudioFrameResource::AsPPB_AudioFrame_API() { | |
| 29 return this; | |
| 30 } | |
| 31 | |
| 32 PP_TimeDelta AudioFrameResource::GetTimestamp() { | |
| 33 if (!buffer_) { | |
| 34 VLOG(1) << "Buffer is invalid"; | |
| 35 return 0.0; | |
| 36 } | |
| 37 return buffer_->audio.timestamp; | |
| 38 } | |
| 39 | |
| 40 void AudioFrameResource::SetTimestamp(PP_TimeDelta timestamp) { | |
| 41 if (!buffer_) { | |
| 42 VLOG(1) << "Buffer is invalid"; | |
| 43 return; | |
| 44 } | |
| 45 buffer_->audio.timestamp = timestamp; | |
| 46 } | |
| 47 | |
| 48 PP_AudioFrame_SampleRate AudioFrameResource::GetSampleRate() { | |
| 49 if (!buffer_) { | |
| 50 VLOG(1) << "Buffer is invalid"; | |
| 51 return PP_AUDIOFRAME_SAMPLERATE_UNKNOWN; | |
| 52 } | |
| 53 return buffer_->audio.sample_rate; | |
| 54 } | |
| 55 | |
| 56 PP_AudioFrame_SampleSize AudioFrameResource::GetSampleSize() { | |
| 57 if (!buffer_) { | |
| 58 VLOG(1) << "Buffer is invalid"; | |
| 59 return PP_AUDIOFRAME_SAMPLESIZE_UNKNOWN; | |
| 60 } | |
| 61 return PP_AUDIOFRAME_SAMPLESIZE_16_BITS; | |
| 62 } | |
| 63 | |
| 64 uint32_t AudioFrameResource::GetNumberOfChannels() { | |
| 65 if (!buffer_) { | |
| 66 VLOG(1) << "Buffer is invalid"; | |
| 67 return 0; | |
| 68 } | |
| 69 return buffer_->audio.number_of_channels; | |
| 70 } | |
| 71 | |
| 72 uint32_t AudioFrameResource::GetNumberOfSamples() { | |
| 73 if (!buffer_) { | |
| 74 VLOG(1) << "Buffer is invalid"; | |
| 75 return 0; | |
| 76 } | |
| 77 return buffer_->audio.number_of_samples; | |
| 78 } | |
| 79 | |
| 80 void* AudioFrameResource::GetDataBuffer() { | |
| 81 if (!buffer_) { | |
| 82 VLOG(1) << "Buffer is invalid"; | |
| 83 return NULL; | |
| 84 } | |
| 85 return buffer_->audio.data; | |
| 86 } | |
| 87 | |
| 88 uint32_t AudioFrameResource::GetDataBufferSize() { | |
| 89 if (!buffer_) { | |
| 90 VLOG(1) << "Buffer is invalid"; | |
| 91 return 0; | |
| 92 } | |
| 93 return buffer_->audio.data_size; | |
| 94 } | |
| 95 | |
| 96 MediaStreamBuffer* AudioFrameResource::GetBuffer() { | |
| 97 return buffer_; | |
| 98 } | |
| 99 | |
| 100 int32_t AudioFrameResource::GetBufferIndex() { | |
| 101 return index_; | |
| 102 } | |
| 103 | |
| 104 void AudioFrameResource::Invalidate() { | |
| 105 DCHECK(buffer_); | |
| 106 DCHECK_GE(index_, 0); | |
| 107 buffer_ = NULL; | |
| 108 index_ = -1; | |
| 109 } | |
| 110 | |
| 111 } // namespace proxy | |
| 112 } // namespace ppapi | |
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Chromium Code Reviews
Issue 156863005:
[PPAPI][MediaStream] Rename AudioFrame to AudioBuffer (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@frame_to_buffer