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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_video_decoder.h" | 5 #include "media/filters/decrypting_video_decoder.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" |
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45 const OutputCB& output_cb) { | 45 const OutputCB& output_cb) { |
46 DVLOG(2) << __func__ << ": " << config.AsHumanReadableString(); | 46 DVLOG(2) << __func__ << ": " << config.AsHumanReadableString(); |
47 | 47 |
48 DCHECK(task_runner_->BelongsToCurrentThread()); | 48 DCHECK(task_runner_->BelongsToCurrentThread()); |
49 DCHECK(state_ == kUninitialized || | 49 DCHECK(state_ == kUninitialized || |
50 state_ == kIdle || | 50 state_ == kIdle || |
51 state_ == kDecodeFinished) << state_; | 51 state_ == kDecodeFinished) << state_; |
52 DCHECK(decode_cb_.is_null()); | 52 DCHECK(decode_cb_.is_null()); |
53 DCHECK(reset_cb_.is_null()); | 53 DCHECK(reset_cb_.is_null()); |
54 DCHECK(config.IsValidConfig()); | 54 DCHECK(config.IsValidConfig()); |
| 55 DCHECK(cdm_context); |
55 | 56 |
56 init_cb_ = BindToCurrentLoop(init_cb); | 57 init_cb_ = BindToCurrentLoop(init_cb); |
57 output_cb_ = BindToCurrentLoop(output_cb); | 58 output_cb_ = BindToCurrentLoop(output_cb); |
58 weak_this_ = weak_factory_.GetWeakPtr(); | 59 weak_this_ = weak_factory_.GetWeakPtr(); |
59 config_ = config; | 60 config_ = config; |
60 | 61 |
61 if (state_ == kUninitialized) { | 62 if (state_ == kUninitialized) { |
62 // DecoderSelector only chooses |this| when the stream is encrypted. | |
63 // TODO(xhwang): We may also select this decoder for clear stream if a CDM | |
64 // is attached. Then we need to update this. See http://crbug.com/597443 | |
65 DCHECK(config.is_encrypted()); | |
66 DCHECK(cdm_context); | |
67 if (!cdm_context->GetDecryptor()) { | 63 if (!cdm_context->GetDecryptor()) { |
68 MEDIA_LOG(DEBUG, media_log_) << GetDisplayName() << ": no decryptor"; | 64 MEDIA_LOG(DEBUG, media_log_) << GetDisplayName() << ": no decryptor"; |
69 base::ResetAndReturn(&init_cb_).Run(false); | 65 base::ResetAndReturn(&init_cb_).Run(false); |
70 return; | 66 return; |
71 } | 67 } |
72 | 68 |
73 decryptor_ = cdm_context->GetDecryptor(); | 69 decryptor_ = cdm_context->GetDecryptor(); |
74 } else { | 70 } else { |
75 // Reinitialization (i.e. upon a config change). The new config can be | 71 // Reinitialization (i.e. upon a config change). The new config can be |
76 // encrypted or clear. | 72 // encrypted or clear. |
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313 } | 309 } |
314 | 310 |
315 void DecryptingVideoDecoder::DoReset() { | 311 void DecryptingVideoDecoder::DoReset() { |
316 DCHECK(init_cb_.is_null()); | 312 DCHECK(init_cb_.is_null()); |
317 DCHECK(decode_cb_.is_null()); | 313 DCHECK(decode_cb_.is_null()); |
318 state_ = kIdle; | 314 state_ = kIdle; |
319 base::ResetAndReturn(&reset_cb_).Run(); | 315 base::ResetAndReturn(&reset_cb_).Run(); |
320 } | 316 } |
321 | 317 |
322 } // namespace media | 318 } // namespace media |
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