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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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75 | 75 |
76 decode_cb_ = BindToCurrentLoop(decode_cb); | 76 decode_cb_ = BindToCurrentLoop(decode_cb); |
77 | 77 |
78 if (state_ == kError) { | 78 if (state_ == kError) { |
79 base::ResetAndReturn(&decode_cb_).Run(kDecodeError); | 79 base::ResetAndReturn(&decode_cb_).Run(kDecodeError); |
80 return; | 80 return; |
81 } | 81 } |
82 | 82 |
83 // Return empty frames if decoding has finished. | 83 // Return empty frames if decoding has finished. |
84 if (state_ == kDecodeFinished) { | 84 if (state_ == kDecodeFinished) { |
85 output_cb_.Run(VideoFrame::CreateEOSFrame()); | |
86 base::ResetAndReturn(&decode_cb_).Run(kOk); | 85 base::ResetAndReturn(&decode_cb_).Run(kOk); |
87 return; | 86 return; |
88 } | 87 } |
89 | 88 |
90 pending_buffer_to_decode_ = buffer; | 89 pending_buffer_to_decode_ = buffer; |
91 state_ = kPendingDecode; | 90 state_ = kPendingDecode; |
92 DecodePendingBuffer(); | 91 DecodePendingBuffer(); |
93 } | 92 } |
94 | 93 |
95 void DecryptingVideoDecoder::Reset(const base::Closure& closure) { | 94 void DecryptingVideoDecoder::Reset(const base::Closure& closure) { |
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271 } | 270 } |
272 | 271 |
273 state_ = kWaitingForKey; | 272 state_ = kWaitingForKey; |
274 return; | 273 return; |
275 } | 274 } |
276 | 275 |
277 if (status == Decryptor::kNeedMoreData) { | 276 if (status == Decryptor::kNeedMoreData) { |
278 DVLOG(2) << "DeliverFrame() - kNeedMoreData"; | 277 DVLOG(2) << "DeliverFrame() - kNeedMoreData"; |
279 if (scoped_pending_buffer_to_decode->end_of_stream()) { | 278 if (scoped_pending_buffer_to_decode->end_of_stream()) { |
280 state_ = kDecodeFinished; | 279 state_ = kDecodeFinished; |
281 output_cb_.Run(media::VideoFrame::CreateEOSFrame()); | |
282 } else { | 280 } else { |
283 state_ = kIdle; | 281 state_ = kIdle; |
284 } | 282 } |
285 base::ResetAndReturn(&decode_cb_).Run(kOk); | 283 base::ResetAndReturn(&decode_cb_).Run(kOk); |
286 return; | 284 return; |
287 } | 285 } |
288 | 286 |
289 DCHECK_EQ(status, Decryptor::kSuccess); | 287 DCHECK_EQ(status, Decryptor::kSuccess); |
290 // No frame returned with kSuccess should be end-of-stream frame. | 288 // No frame returned with kSuccess should be end-of-stream frame. |
291 DCHECK(!frame->end_of_stream()); | 289 DCHECK(!frame->end_of_stream()); |
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310 } | 308 } |
311 | 309 |
312 void DecryptingVideoDecoder::DoReset() { | 310 void DecryptingVideoDecoder::DoReset() { |
313 DCHECK(init_cb_.is_null()); | 311 DCHECK(init_cb_.is_null()); |
314 DCHECK(decode_cb_.is_null()); | 312 DCHECK(decode_cb_.is_null()); |
315 state_ = kIdle; | 313 state_ = kIdle; |
316 base::ResetAndReturn(&reset_cb_).Run(); | 314 base::ResetAndReturn(&reset_cb_).Run(); |
317 } | 315 } |
318 | 316 |
319 } // namespace media | 317 } // namespace media |
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