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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 "chromecast/media/cma/ipc_streamer/audio_decoder_config_marshaller.h" | 5 #include "chromecast/media/cma/ipc_streamer/audio_decoder_config_marshaller.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 #include <stdint.h> | 8 #include <stdint.h> |
9 | 9 |
10 #include <vector> | 10 #include <vector> |
11 | 11 |
12 #include "base/logging.h" | 12 #include "base/logging.h" |
13 #include "chromecast/media/cma/ipc/media_message.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" | 14 #include "media/base/audio_decoder_config.h" |
16 | 15 |
17 namespace chromecast { | 16 namespace chromecast { |
18 namespace media { | 17 namespace media { |
19 | 18 |
20 namespace { | 19 namespace { |
21 const size_t kMaxExtraDataSize = 16 * 1024; | 20 const size_t kMaxExtraDataSize = 16 * 1024; |
22 } | 21 } |
23 | 22 |
24 // static | 23 // static |
25 void AudioDecoderConfigMarshaller::Write( | 24 void AudioDecoderConfigMarshaller::Write( |
26 const ::media::AudioDecoderConfig& config, MediaMessage* msg) { | 25 const ::media::AudioDecoderConfig& config, MediaMessage* msg) { |
27 CHECK(msg->WritePod(config.codec())); | 26 CHECK(msg->WritePod(config.codec())); |
28 CHECK(msg->WritePod(config.channel_layout())); | 27 CHECK(msg->WritePod(config.channel_layout())); |
29 CHECK(msg->WritePod(config.samples_per_second())); | 28 CHECK(msg->WritePod(config.samples_per_second())); |
30 CHECK(msg->WritePod(config.sample_format())); | 29 CHECK(msg->WritePod(config.sample_format())); |
31 EncryptionSchemeMarshaller::Write(config.encryption_scheme(), msg); | 30 CHECK(msg->WritePod(config.is_encrypted())); |
32 CHECK(msg->WritePod(config.extra_data().size())); | 31 CHECK(msg->WritePod(config.extra_data().size())); |
33 if (!config.extra_data().empty()) | 32 if (!config.extra_data().empty()) |
34 CHECK(msg->WriteBuffer(&config.extra_data()[0], | 33 CHECK(msg->WriteBuffer(&config.extra_data()[0], |
35 config.extra_data().size())); | 34 config.extra_data().size())); |
36 } | 35 } |
37 | 36 |
38 // static | 37 // static |
39 ::media::AudioDecoderConfig AudioDecoderConfigMarshaller::Read( | 38 ::media::AudioDecoderConfig AudioDecoderConfigMarshaller::Read( |
40 MediaMessage* msg) { | 39 MediaMessage* msg) { |
41 ::media::AudioCodec codec; | 40 ::media::AudioCodec codec; |
42 ::media::SampleFormat sample_format; | 41 ::media::SampleFormat sample_format; |
43 ::media::ChannelLayout channel_layout; | 42 ::media::ChannelLayout channel_layout; |
44 int samples_per_second; | 43 int samples_per_second; |
| 44 bool is_encrypted; |
45 size_t extra_data_size; | 45 size_t extra_data_size; |
46 std::vector<uint8_t> extra_data; | 46 std::vector<uint8_t> extra_data; |
47 ::media::EncryptionScheme encryption_scheme; | |
48 | 47 |
49 CHECK(msg->ReadPod(&codec)); | 48 CHECK(msg->ReadPod(&codec)); |
50 CHECK(msg->ReadPod(&channel_layout)); | 49 CHECK(msg->ReadPod(&channel_layout)); |
51 CHECK(msg->ReadPod(&samples_per_second)); | 50 CHECK(msg->ReadPod(&samples_per_second)); |
52 CHECK(msg->ReadPod(&sample_format)); | 51 CHECK(msg->ReadPod(&sample_format)); |
53 encryption_scheme = EncryptionSchemeMarshaller::Read(msg); | 52 CHECK(msg->ReadPod(&is_encrypted)); |
54 CHECK(msg->ReadPod(&extra_data_size)); | 53 CHECK(msg->ReadPod(&extra_data_size)); |
55 | 54 |
56 CHECK_GE(codec, ::media::kUnknownAudioCodec); | 55 CHECK_GE(codec, ::media::kUnknownAudioCodec); |
57 CHECK_LE(codec, ::media::kAudioCodecMax); | 56 CHECK_LE(codec, ::media::kAudioCodecMax); |
58 CHECK_GE(channel_layout, ::media::CHANNEL_LAYOUT_NONE); | 57 CHECK_GE(channel_layout, ::media::CHANNEL_LAYOUT_NONE); |
59 CHECK_LE(channel_layout, ::media::CHANNEL_LAYOUT_MAX); | 58 CHECK_LE(channel_layout, ::media::CHANNEL_LAYOUT_MAX); |
60 CHECK_GE(sample_format, ::media::kUnknownSampleFormat); | 59 CHECK_GE(sample_format, ::media::kUnknownSampleFormat); |
61 CHECK_LE(sample_format, ::media::kSampleFormatMax); | 60 CHECK_LE(sample_format, ::media::kSampleFormatMax); |
62 CHECK_LT(extra_data_size, kMaxExtraDataSize); | 61 CHECK_LT(extra_data_size, kMaxExtraDataSize); |
63 if (extra_data_size > 0) { | 62 if (extra_data_size > 0) { |
64 extra_data.resize(extra_data_size); | 63 extra_data.resize(extra_data_size); |
65 CHECK(msg->ReadBuffer(&extra_data[0], extra_data.size())); | 64 CHECK(msg->ReadBuffer(&extra_data[0], extra_data.size())); |
66 } | 65 } |
67 | 66 |
68 return ::media::AudioDecoderConfig( | 67 return ::media::AudioDecoderConfig( |
69 codec, sample_format, | 68 codec, sample_format, |
70 channel_layout, samples_per_second, | 69 channel_layout, samples_per_second, |
71 extra_data, encryption_scheme); | 70 extra_data, is_encrypted); |
72 } | 71 } |
73 | 72 |
74 } // namespace media | 73 } // namespace media |
75 } // namespace chromecast | 74 } // namespace chromecast |
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