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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 "media/filters/decrypting_demuxer_stream.h" | 5 #include "media/filters/decrypting_demuxer_stream.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/callback_helpers.h" | 8 #include "base/callback_helpers.h" |
9 #include "base/location.h" | 9 #include "base/location.h" |
10 #include "base/logging.h" | 10 #include "base/logging.h" |
11 #include "base/single_thread_task_runner.h" | 11 #include "base/single_thread_task_runner.h" |
12 #include "media/base/bind_to_current_loop.h" | 12 #include "media/base/bind_to_current_loop.h" |
13 #include "media/base/decoder_buffer.h" | 13 #include "media/base/decoder_buffer.h" |
14 #include "media/base/media_log.h" | 14 #include "media/base/media_log.h" |
15 #include "media/base/media_util.h" | |
16 | 15 |
17 namespace media { | 16 namespace media { |
18 | 17 |
19 static bool IsStreamValidAndEncrypted(DemuxerStream* stream) { | 18 static bool IsStreamValidAndEncrypted(DemuxerStream* stream) { |
20 return ((stream->type() == DemuxerStream::AUDIO && | 19 return ((stream->type() == DemuxerStream::AUDIO && |
21 stream->audio_decoder_config().IsValidConfig() && | 20 stream->audio_decoder_config().IsValidConfig() && |
22 stream->audio_decoder_config().is_encrypted()) || | 21 stream->audio_decoder_config().is_encrypted()) || |
23 (stream->type() == DemuxerStream::VIDEO && | 22 (stream->type() == DemuxerStream::VIDEO && |
24 stream->video_decoder_config().IsValidConfig() && | 23 stream->video_decoder_config().IsValidConfig() && |
25 stream->video_decoder_config().is_encrypted())); | 24 stream->video_decoder_config().is_encrypted())); |
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341 | 340 |
342 void DecryptingDemuxerStream::InitializeDecoderConfig() { | 341 void DecryptingDemuxerStream::InitializeDecoderConfig() { |
343 // The decoder selector or upstream demuxer make sure the stream is valid and | 342 // The decoder selector or upstream demuxer make sure the stream is valid and |
344 // potentially encrypted. | 343 // potentially encrypted. |
345 DCHECK(IsStreamValidAndEncrypted(demuxer_stream_)); | 344 DCHECK(IsStreamValidAndEncrypted(demuxer_stream_)); |
346 | 345 |
347 switch (demuxer_stream_->type()) { | 346 switch (demuxer_stream_->type()) { |
348 case AUDIO: { | 347 case AUDIO: { |
349 AudioDecoderConfig input_audio_config = | 348 AudioDecoderConfig input_audio_config = |
350 demuxer_stream_->audio_decoder_config(); | 349 demuxer_stream_->audio_decoder_config(); |
351 audio_config_.Initialize( | 350 audio_config_.Initialize(input_audio_config.codec(), |
352 input_audio_config.codec(), input_audio_config.sample_format(), | 351 input_audio_config.sample_format(), |
353 input_audio_config.channel_layout(), | 352 input_audio_config.channel_layout(), |
354 input_audio_config.samples_per_second(), | 353 input_audio_config.samples_per_second(), |
355 input_audio_config.extra_data(), Unencrypted(), | 354 input_audio_config.extra_data(), |
356 input_audio_config.seek_preroll(), input_audio_config.codec_delay()); | 355 false, // Output audio is not encrypted. |
| 356 input_audio_config.seek_preroll(), |
| 357 input_audio_config.codec_delay()); |
357 break; | 358 break; |
358 } | 359 } |
359 | 360 |
360 case VIDEO: { | 361 case VIDEO: { |
361 VideoDecoderConfig input_video_config = | 362 VideoDecoderConfig input_video_config = |
362 demuxer_stream_->video_decoder_config(); | 363 demuxer_stream_->video_decoder_config(); |
363 video_config_.Initialize( | 364 video_config_.Initialize( |
364 input_video_config.codec(), input_video_config.profile(), | 365 input_video_config.codec(), input_video_config.profile(), |
365 input_video_config.format(), input_video_config.color_space(), | 366 input_video_config.format(), input_video_config.color_space(), |
366 input_video_config.coded_size(), input_video_config.visible_rect(), | 367 input_video_config.coded_size(), input_video_config.visible_rect(), |
367 input_video_config.natural_size(), input_video_config.extra_data(), | 368 input_video_config.natural_size(), input_video_config.extra_data(), |
368 Unencrypted()); | 369 false); // Output video is not encrypted. |
369 break; | 370 break; |
370 } | 371 } |
371 | 372 |
372 default: | 373 default: |
373 NOTREACHED(); | 374 NOTREACHED(); |
374 return; | 375 return; |
375 } | 376 } |
376 } | 377 } |
377 | 378 |
378 } // namespace media | 379 } // namespace media |
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