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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 "chromecast/media/cma/ipc_streamer/audio_decoder_config_marshaller.h" | |
| 6 | |
| 7 #include <stddef.h> | |
| 8 #include <stdint.h> | |
| 9 | |
| 10 #include <vector> | |
| 11 | |
| 12 #include "base/logging.h" | |
| 13 #include "chromecast/media/cma/ipc/media_message.h" | |
| 14 #include "chromecast/media/cma/ipc_streamer/encryption_scheme_marshaller.h" | |
| 15 #include "media/base/audio_decoder_config.h" | |
| 16 | |
| 17 namespace chromecast { | |
| 18 namespace media { | |
| 19 | |
| 20 namespace { | |
| 21 const size_t kMaxExtraDataSize = 16 * 1024; | |
| 22 } | |
| 23 | |
| 24 // static | |
| 25 void AudioDecoderConfigMarshaller::Write( | |
| 26 const ::media::AudioDecoderConfig& config, MediaMessage* msg) { | |
| 27 CHECK(msg->WritePod(config.codec())); | |
| 28 CHECK(msg->WritePod(config.channel_layout())); | |
| 29 CHECK(msg->WritePod(config.samples_per_second())); | |
| 30 CHECK(msg->WritePod(config.sample_format())); | |
| 31 EncryptionSchemeMarshaller::Write(config.encryption_scheme(), msg); | |
| 32 CHECK(msg->WritePod(config.extra_data().size())); | |
| 33 if (!config.extra_data().empty()) | |
| 34 CHECK(msg->WriteBuffer(&config.extra_data()[0], | |
| 35 config.extra_data().size())); | |
| 36 } | |
| 37 | |
| 38 // static | |
| 39 ::media::AudioDecoderConfig AudioDecoderConfigMarshaller::Read( | |
| 40 MediaMessage* msg) { | |
| 41 ::media::AudioCodec codec; | |
| 42 ::media::SampleFormat sample_format; | |
| 43 ::media::ChannelLayout channel_layout; | |
| 44 int samples_per_second; | |
| 45 size_t extra_data_size; | |
| 46 std::vector<uint8_t> extra_data; | |
| 47 ::media::EncryptionScheme encryption_scheme; | |
| 48 | |
| 49 CHECK(msg->ReadPod(&codec)); | |
| 50 CHECK(msg->ReadPod(&channel_layout)); | |
| 51 CHECK(msg->ReadPod(&samples_per_second)); | |
| 52 CHECK(msg->ReadPod(&sample_format)); | |
| 53 encryption_scheme = EncryptionSchemeMarshaller::Read(msg); | |
| 54 CHECK(msg->ReadPod(&extra_data_size)); | |
| 55 | |
| 56 CHECK_GE(codec, ::media::kUnknownAudioCodec); | |
| 57 CHECK_LE(codec, ::media::kAudioCodecMax); | |
| 58 CHECK_GE(channel_layout, ::media::CHANNEL_LAYOUT_NONE); | |
| 59 CHECK_LE(channel_layout, ::media::CHANNEL_LAYOUT_MAX); | |
| 60 CHECK_GE(sample_format, ::media::kUnknownSampleFormat); | |
| 61 CHECK_LE(sample_format, ::media::kSampleFormatMax); | |
| 62 CHECK_LT(extra_data_size, kMaxExtraDataSize); | |
| 63 if (extra_data_size > 0) { | |
| 64 extra_data.resize(extra_data_size); | |
| 65 CHECK(msg->ReadBuffer(&extra_data[0], extra_data.size())); | |
| 66 } | |
| 67 | |
| 68 return ::media::AudioDecoderConfig( | |
| 69 codec, sample_format, | |
| 70 channel_layout, samples_per_second, | |
| 71 extra_data, encryption_scheme); | |
| 72 } | |
| 73 | |
| 74 } // namespace media | |
| 75 } // namespace chromecast | |
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Chromium Code Reviews
Issue 2300993003:
CmaRenderer is dead. Long live MojoRenderer. (Closed)
