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// Copyright 2013 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 "media/base/android/video_decoder_job.h"
#include "base/bind.h"
#include "base/lazy_instance.h"
#include "base/threading/thread.h"
#include "media/base/android/media_codec_bridge.h"
namespace media {
class VideoDecoderThread : public base::Thread {
public:
VideoDecoderThread() : base::Thread("MediaSource_VideoDecoderThread") {
Start();
}
};
// TODO(qinmin): Check if it is tolerable to use worker pool to handle all the
// decoding tasks so that we don't need a global thread here.
// http://crbug.com/245750
base::LazyInstance<VideoDecoderThread>::Leaky
g_video_decoder_thread = LAZY_INSTANCE_INITIALIZER;
VideoDecoderJob* VideoDecoderJob::Create(const VideoCodec video_codec,
bool is_secure,
const gfx::Size& size,
jobject surface,
jobject media_crypto,
const base::Closure& request_data_cb) {
scoped_ptr<VideoCodecBridge> codec(
VideoCodecBridge::Create(video_codec, is_secure));
if (codec && codec->Start(video_codec, size, surface, media_crypto))
return new VideoDecoderJob(codec.Pass(), request_data_cb);
LOG(ERROR) << "Failed to create VideoDecoderJob.";
return NULL;
}
VideoDecoderJob::VideoDecoderJob(
scoped_ptr<VideoCodecBridge> video_codec_bridge,
const base::Closure& request_data_cb)
: MediaDecoderJob(g_video_decoder_thread.Pointer()->message_loop_proxy(),
video_codec_bridge.get(), request_data_cb),
video_codec_bridge_(video_codec_bridge.Pass()) {
}
VideoDecoderJob::~VideoDecoderJob() {
}
void VideoDecoderJob::ReleaseOutputBuffer(
int outputBufferIndex, size_t size,
const base::TimeDelta& presentation_timestamp,
const MediaDecoderJob::DecoderCallback& callback,
MediaCodecStatus status) {
if (status != MEDIA_CODEC_OUTPUT_END_OF_STREAM || size != 0u)
video_codec_bridge_->ReleaseOutputBuffer(outputBufferIndex, true);
callback.Run(status, presentation_timestamp, 0);
}
bool VideoDecoderJob::ComputeTimeToRender() const {
return true;
}
} // namespace media
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