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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/video_renderer_base.h" | 5 #include "media/filters/video_renderer_base.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/callback.h" | 8 #include "base/callback.h" |
9 #include "base/callback_helpers.h" | 9 #include "base/callback_helpers.h" |
10 #include "base/message_loop.h" | 10 #include "base/message_loop.h" |
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334 | 334 |
335 void VideoRendererBase::FrameReady(VideoDecoder::Status status, | 335 void VideoRendererBase::FrameReady(VideoDecoder::Status status, |
336 const scoped_refptr<VideoFrame>& frame) { | 336 const scoped_refptr<VideoFrame>& frame) { |
337 base::AutoLock auto_lock(lock_); | 337 base::AutoLock auto_lock(lock_); |
338 DCHECK_NE(state_, kUninitialized); | 338 DCHECK_NE(state_, kUninitialized); |
339 | 339 |
340 CHECK(pending_read_); | 340 CHECK(pending_read_); |
341 pending_read_ = false; | 341 pending_read_ = false; |
342 | 342 |
343 if (status != VideoDecoder::kOk) { | 343 if (status != VideoDecoder::kOk) { |
344 DCHECK(!frame); | 344 DCHECK(!frame.get()); |
345 PipelineStatus error = PIPELINE_ERROR_DECODE; | 345 PipelineStatus error = PIPELINE_ERROR_DECODE; |
346 if (status == VideoDecoder::kDecryptError) | 346 if (status == VideoDecoder::kDecryptError) |
347 error = PIPELINE_ERROR_DECRYPT; | 347 error = PIPELINE_ERROR_DECRYPT; |
348 | 348 |
349 if (!preroll_cb_.is_null()) { | 349 if (!preroll_cb_.is_null()) { |
350 base::ResetAndReturn(&preroll_cb_).Run(error); | 350 base::ResetAndReturn(&preroll_cb_).Run(error); |
351 return; | 351 return; |
352 } | 352 } |
353 | 353 |
354 error_cb_.Run(error); | 354 error_cb_.Run(error); |
355 return; | 355 return; |
356 } | 356 } |
357 | 357 |
358 // Already-queued Decoder ReadCB's can fire after various state transitions | 358 // Already-queued Decoder ReadCB's can fire after various state transitions |
359 // have happened; in that case just drop those frames immediately. | 359 // have happened; in that case just drop those frames immediately. |
360 if (state_ == kStopped || state_ == kError || state_ == kFlushed || | 360 if (state_ == kStopped || state_ == kError || state_ == kFlushed || |
361 state_ == kFlushingDecoder) | 361 state_ == kFlushingDecoder) |
362 return; | 362 return; |
363 | 363 |
364 if (state_ == kFlushing) { | 364 if (state_ == kFlushing) { |
365 AttemptFlush_Locked(); | 365 AttemptFlush_Locked(); |
366 return; | 366 return; |
367 } | 367 } |
368 | 368 |
369 if (!frame) { | 369 if (!frame.get()) { |
370 // Abort preroll early for a NULL frame because we won't get more frames. | 370 // Abort preroll early for a NULL frame because we won't get more frames. |
371 // A new preroll will be requested after this one completes so there is no | 371 // A new preroll will be requested after this one completes so there is no |
372 // point trying to collect more frames. | 372 // point trying to collect more frames. |
373 if (state_ == kPrerolling) | 373 if (state_ == kPrerolling) |
374 TransitionToPrerolled_Locked(); | 374 TransitionToPrerolled_Locked(); |
375 | 375 |
376 return; | 376 return; |
377 } | 377 } |
378 | 378 |
379 if (frame->IsEndOfStream()) { | 379 if (frame->IsEndOfStream()) { |
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530 // Because we might remain in the prerolled state for an undetermined amount | 530 // Because we might remain in the prerolled state for an undetermined amount |
531 // of time (e.g., we seeked while paused), we'll paint the first prerolled | 531 // of time (e.g., we seeked while paused), we'll paint the first prerolled |
532 // frame. | 532 // frame. |
533 if (!ready_frames_.empty()) | 533 if (!ready_frames_.empty()) |
534 PaintNextReadyFrame_Locked(); | 534 PaintNextReadyFrame_Locked(); |
535 | 535 |
536 base::ResetAndReturn(&preroll_cb_).Run(PIPELINE_OK); | 536 base::ResetAndReturn(&preroll_cb_).Run(PIPELINE_OK); |
537 } | 537 } |
538 | 538 |
539 } // namespace media | 539 } // namespace media |
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