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Side by Side Diff: media/formats/mp4/mp4_stream_parser.cc

Issue 231283005: Add live mode detection in WebM MediaSource parser. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 8 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 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/formats/mp4/mp4_stream_parser.h" 5 #include "media/formats/mp4/mp4_stream_parser.h"
6 6
7 #include "base/callback.h" 7 #include "base/callback.h"
8 #include "base/callback_helpers.h" 8 #include "base/callback_helpers.h"
9 #include "base/logging.h" 9 #include "base/logging.h"
10 #include "base/time/time.h" 10 #include "base/time/time.h"
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273 gfx::Rect visible_rect(coded_size); 273 gfx::Rect visible_rect(coded_size);
274 gfx::Size natural_size = GetNaturalSize(visible_rect.size(), 274 gfx::Size natural_size = GetNaturalSize(visible_rect.size(),
275 entry.pixel_aspect.h_spacing, 275 entry.pixel_aspect.h_spacing,
276 entry.pixel_aspect.v_spacing); 276 entry.pixel_aspect.v_spacing);
277 is_video_track_encrypted_ = entry.sinf.info.track_encryption.is_encrypted; 277 is_video_track_encrypted_ = entry.sinf.info.track_encryption.is_encrypted;
278 DVLOG(1) << "is_video_track_encrypted_: " << is_video_track_encrypted_; 278 DVLOG(1) << "is_video_track_encrypted_: " << is_video_track_encrypted_;
279 video_config.Initialize(kCodecH264, H264PROFILE_MAIN, VideoFrame::YV12, 279 video_config.Initialize(kCodecH264, H264PROFILE_MAIN, VideoFrame::YV12,
280 coded_size, visible_rect, natural_size, 280 coded_size, visible_rect, natural_size,
281 // No decoder-specific buffer needed for AVC; 281 // No decoder-specific buffer needed for AVC;
282 // SPS/PPS are embedded in the video stream 282 // SPS/PPS are embedded in the video stream
283 NULL, 0, is_video_track_encrypted_, false); 283 NULL, 0, is_video_track_encrypted_, false, false);
284 has_video_ = true; 284 has_video_ = true;
285 video_track_id_ = track->header.track_id; 285 video_track_id_ = track->header.track_id;
286 } 286 }
287 } 287 }
288 288
289 RCHECK(config_cb_.Run(audio_config, video_config, TextTrackConfigMap())); 289 RCHECK(config_cb_.Run(audio_config, video_config, TextTrackConfigMap()));
290 290
291 base::TimeDelta duration; 291 base::TimeDelta duration;
292 if (moov_->extends.header.fragment_duration > 0) { 292 if (moov_->extends.header.fragment_duration > 0) {
293 duration = TimeDeltaFromRational(moov_->extends.header.fragment_duration, 293 duration = TimeDeltaFromRational(moov_->extends.header.fragment_duration,
294 moov_->header.timescale); 294 moov_->header.timescale);
295 } else if (moov_->header.duration > 0 && 295 } else if (moov_->header.duration > 0 &&
296 moov_->header.duration != kuint64max) { 296 moov_->header.duration != kuint64max) {
297 duration = TimeDeltaFromRational(moov_->header.duration, 297 duration = TimeDeltaFromRational(moov_->header.duration,
298 moov_->header.timescale); 298 moov_->header.timescale);
299 } else { 299 } else {
300 duration = kInfiniteDuration(); 300 duration = kInfiniteDuration();
301 } 301 }
302 302
303 if (!init_cb_.is_null()) 303 if (!init_cb_.is_null()) {
304 base::ResetAndReturn(&init_cb_).Run(true, duration, base::Time(), false); 304 base::ResetAndReturn(&init_cb_)
305 .Run(true, duration, base::Time(), false, false);
306 }
305 307
306 EmitNeedKeyIfNecessary(moov_->pssh); 308 EmitNeedKeyIfNecessary(moov_->pssh);
307 return true; 309 return true;
308 } 310 }
309 311
310 bool MP4StreamParser::ParseMoof(BoxReader* reader) { 312 bool MP4StreamParser::ParseMoof(BoxReader* reader) {
311 RCHECK(moov_.get()); // Must already have initialization segment 313 RCHECK(moov_.get()); // Must already have initialization segment
312 MovieFragment moof; 314 MovieFragment moof;
313 RCHECK(moof.Parse(reader)); 315 RCHECK(moof.Parse(reader));
314 if (!runs_) 316 if (!runs_)
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575 return !err; 577 return !err;
576 } 578 }
577 579
578 void MP4StreamParser::ChangeState(State new_state) { 580 void MP4StreamParser::ChangeState(State new_state) {
579 DVLOG(2) << "Changing state: " << new_state; 581 DVLOG(2) << "Changing state: " << new_state;
580 state_ = new_state; 582 state_ = new_state;
581 } 583 }
582 584
583 } // namespace mp4 585 } // namespace mp4
584 } // namespace media 586 } // namespace media
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