Index: media/filters/ffmpeg_demuxer_factory.cc |
diff --git a/media/filters/ffmpeg_demuxer_factory.cc b/media/filters/ffmpeg_demuxer_factory.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..add2c54e689ffadbab29356ad527391b23fa8677 |
--- /dev/null |
+++ b/media/filters/ffmpeg_demuxer_factory.cc |
@@ -0,0 +1,87 @@ |
+// Copyright (c) 2011 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "base/message_loop.h" |
+#include "media/filters/ffmpeg_demuxer.h" |
+#include "media/filters/ffmpeg_demuxer_factory.h" |
+ |
+namespace media { |
+ |
+FFmpegDemuxerFactory::FFmpegDemuxerFactory( |
+ DataSourceFactory* data_source_factory, |
+ MessageLoop* loop) |
+ : data_source_factory_(data_source_factory), loop_(loop) {} |
+ |
+FFmpegDemuxerFactory::~FFmpegDemuxerFactory() {} |
+ |
+// This and the next class are one-offs whose raison d'etre is the lack of |
+// currying functionality in base/callback_old.h's machinery. Once media/ |
+// PipelineStatusCallback and {DataSource,Demuxer}Factory::BuildCallback are |
+// migrated to the new base/callback.h machinery these should be removed and |
+// replaced with currying calls to base::Bind(). |
+class DemuxerCallbackAsPipelineStatusCallback : public PipelineStatusCallback { |
+ public: |
+ DemuxerCallbackAsPipelineStatusCallback( |
+ DemuxerFactory::BuildCallback* cb, |
+ Demuxer* demuxer) |
+ : cb_(cb), demuxer_(demuxer) { |
+ DCHECK(cb_.get() && demuxer_); |
+ } |
+ |
+ virtual ~DemuxerCallbackAsPipelineStatusCallback() {} |
+ |
+ virtual void RunWithParams(const Tuple1<PipelineError>& params) { |
+ cb_->Run(params.a, demuxer_); |
+ } |
+ |
+ private: |
+ scoped_ptr<DemuxerFactory::BuildCallback> cb_; |
+ scoped_refptr<Demuxer> demuxer_; |
+ |
+ DISALLOW_IMPLICIT_CONSTRUCTORS(DemuxerCallbackAsPipelineStatusCallback); |
+}; |
+ |
+// See comments on DemuxerCallbackAsPipelineStatusCallback above. |
+class DemuxerCallbackAsDataSourceCallback : |
+ public DataSourceFactory::BuildCallback { |
+ public: |
+ DemuxerCallbackAsDataSourceCallback(DemuxerFactory::BuildCallback* cb, |
+ MessageLoop* loop) |
+ : cb_(cb), loop_(loop) { |
+ DCHECK(cb_.get() && loop_); |
+ } |
+ |
+ virtual ~DemuxerCallbackAsDataSourceCallback() {} |
+ |
+ virtual void RunWithParams(const Tuple2<PipelineError, DataSource*>& params) { |
+ PipelineError status = params.a; |
+ DataSource* data_source = params.b; |
+ if (status != PIPELINE_OK) { |
+ cb_->Run(status, static_cast<Demuxer*>(NULL)); |
+ return; |
+ } |
+ DCHECK(data_source); |
+ scoped_refptr<FFmpegDemuxer> demuxer = new FFmpegDemuxer(loop_); |
+ demuxer->Initialize( |
+ data_source, |
+ new DemuxerCallbackAsPipelineStatusCallback(cb_.release(), demuxer)); |
+ } |
+ |
+ private: |
+ scoped_ptr<DemuxerFactory::BuildCallback> cb_; |
+ MessageLoop* loop_; |
+ |
+ DISALLOW_IMPLICIT_CONSTRUCTORS(DemuxerCallbackAsDataSourceCallback); |
+}; |
+ |
+void FFmpegDemuxerFactory::Build(const std::string& url, BuildCallback* cb) { |
+ data_source_factory_->Build( |
+ url, new DemuxerCallbackAsDataSourceCallback(cb, loop_)); |
+} |
+ |
+DemuxerFactory* FFmpegDemuxerFactory::Clone() const { |
+ return new FFmpegDemuxerFactory(data_source_factory_->Clone(), loop_); |
+} |
+ |
+} // namespace media |