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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/debug/trace_event.h" | 9 #include "base/debug/trace_event.h" |
10 #include "base/location.h" | 10 #include "base/location.h" |
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164 DCHECK(message_loop_->BelongsToCurrentThread()); | 164 DCHECK(message_loop_->BelongsToCurrentThread()); |
165 | 165 |
166 if (state_ == kStopped) | 166 if (state_ == kStopped) |
167 return; | 167 return; |
168 | 168 |
169 DCHECK_EQ(state_, kDecryptorRequested) << state_; | 169 DCHECK_EQ(state_, kDecryptorRequested) << state_; |
170 DCHECK(!init_cb_.is_null()); | 170 DCHECK(!init_cb_.is_null()); |
171 DCHECK(!set_decryptor_ready_cb_.is_null()); | 171 DCHECK(!set_decryptor_ready_cb_.is_null()); |
172 set_decryptor_ready_cb_.Reset(); | 172 set_decryptor_ready_cb_.Reset(); |
173 | 173 |
| 174 if (!decryptor) { |
| 175 base::ResetAndReturn(&init_cb_).Run(DECODER_ERROR_NOT_SUPPORTED); |
| 176 state_ = kStopped; |
| 177 return; |
| 178 } |
| 179 |
174 decryptor_ = decryptor; | 180 decryptor_ = decryptor; |
175 | 181 |
176 state_ = kPendingDecoderInit; | 182 state_ = kPendingDecoderInit; |
177 decryptor_->InitializeVideoDecoder( | 183 decryptor_->InitializeVideoDecoder( |
178 demuxer_stream_->video_decoder_config(), BindToCurrentLoop(base::Bind( | 184 demuxer_stream_->video_decoder_config(), BindToCurrentLoop(base::Bind( |
179 &DecryptingVideoDecoder::FinishInitialization, weak_this_))); | 185 &DecryptingVideoDecoder::FinishInitialization, weak_this_))); |
180 } | 186 } |
181 | 187 |
182 void DecryptingVideoDecoder::FinishInitialization(bool success) { | 188 void DecryptingVideoDecoder::FinishInitialization(bool success) { |
183 DVLOG(2) << "FinishInitialization()"; | 189 DVLOG(2) << "FinishInitialization()"; |
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361 } | 367 } |
362 | 368 |
363 void DecryptingVideoDecoder::DoReset() { | 369 void DecryptingVideoDecoder::DoReset() { |
364 DCHECK(init_cb_.is_null()); | 370 DCHECK(init_cb_.is_null()); |
365 DCHECK(read_cb_.is_null()); | 371 DCHECK(read_cb_.is_null()); |
366 state_ = kIdle; | 372 state_ = kIdle; |
367 base::ResetAndReturn(&reset_cb_).Run(); | 373 base::ResetAndReturn(&reset_cb_).Run(); |
368 } | 374 } |
369 | 375 |
370 } // namespace media | 376 } // namespace media |
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