blob: 044871cf5f5769a05350aca968d94f9018b5bf54 [file] [log] [blame]
// Copyright 2016 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <vector>
#include "base/basictypes.h" // For COMPILE_ASSERT
#include "base/bind.h"
#include "base/callback_helpers.h"
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop.h"
#include "base/optional.h"
#include "base/synchronization/lock.h"
#include "base/synchronization/waitable_event.h"
#include "base/time.h"
#include "media/base/audio_decoder_config.h"
#include "media/base/bind_to_loop.h"
#include "media/base/channel_layout.h"
#include "media/base/decoder_buffer.h"
#include "media/base/demuxer.h"
#include "media/base/demuxer_stream.h"
#include "media/base/filter_collection.h"
#include "media/base/media_export.h"
#include "media/base/media_log.h"
#include "media/base/pipeline.h"
#include "media/base/pipeline_status.h"
#include "media/base/ranges.h"
#include "media/base/sbplayer_set_bounds_helper.h"
#include "media/base/starboard_player.h"
#include "media/base/starboard_utils.h"
#include "media/base/video_decoder_config.h"
#include "media/crypto/starboard_decryptor.h"
#include "ui/gfx/size.h"
namespace media {
#if SB_HAS(PLAYER)
using base::Time;
using base::TimeDelta;
namespace {
// Used to post parameters to SbPlayerPipeline::StartTask() as the number of
// parameters exceed what base::Bind() can support.
struct StartTaskParameters {
scoped_refptr<Demuxer> demuxer;
SetDecryptorReadyCB decryptor_ready_cb;
PipelineStatusCB ended_cb;
PipelineStatusCB error_cb;
PipelineStatusCB seek_cb;
Pipeline::BufferingStateCB buffering_state_cb;
base::Closure duration_change_cb;
};
// SbPlayerPipeline is a PipelineBase implementation that uses the SbPlayer
// interface internally.
class MEDIA_EXPORT SbPlayerPipeline : public Pipeline,
public DemuxerHost,
public StarboardPlayer::Host {
public:
// Constructs a media pipeline that will execute on |message_loop|.
SbPlayerPipeline(PipelineWindow window,
const scoped_refptr<base::MessageLoopProxy>& message_loop,
MediaLog* media_log);
~SbPlayerPipeline() OVERRIDE;
void Suspend() OVERRIDE;
void Resume() OVERRIDE;
void Start(scoped_ptr<FilterCollection> filter_collection,
const SetDecryptorReadyCB& decryptor_ready_cb,
const PipelineStatusCB& ended_cb,
const PipelineStatusCB& error_cb,
const PipelineStatusCB& seek_cb,
const BufferingStateCB& buffering_state_cb,
const base::Closure& duration_change_cb) OVERRIDE;
void Stop(const base::Closure& stop_cb) OVERRIDE;
void Seek(TimeDelta time, const PipelineStatusCB& seek_cb);
bool HasAudio() const OVERRIDE;
bool HasVideo() const OVERRIDE;
float GetPlaybackRate() const OVERRIDE;
void SetPlaybackRate(float playback_rate) OVERRIDE;
float GetVolume() const OVERRIDE;
void SetVolume(float volume) OVERRIDE;
TimeDelta GetMediaTime() const OVERRIDE;
Ranges<TimeDelta> GetBufferedTimeRanges() OVERRIDE;
TimeDelta GetMediaDuration() const OVERRIDE;
int64 GetTotalBytes() const OVERRIDE;
void GetNaturalVideoSize(gfx::Size* out_size) const OVERRIDE;
bool DidLoadingProgress() const OVERRIDE;
PipelineStatistics GetStatistics() const OVERRIDE;
SetBoundsCB GetSetBoundsCB() OVERRIDE;
void SetDecodeToTextureOutputMode(bool preference) OVERRIDE;
private:
void StartTask(const StartTaskParameters& parameters);
void SetVolumeTask(float volume);
void SetPlaybackRateTask(float volume);
void SetDurationTask(TimeDelta duration);
// DataSourceHost (by way of DemuxerHost) implementation.
void SetTotalBytes(int64 total_bytes) OVERRIDE;
void AddBufferedByteRange(int64 start, int64 end) OVERRIDE;
void AddBufferedTimeRange(TimeDelta start, TimeDelta end) OVERRIDE;
// DemuxerHost implementaion.
void SetDuration(TimeDelta duration) OVERRIDE;
void OnDemuxerError(PipelineStatus error) OVERRIDE;
void CreatePlayer(SbDrmSystem drm_system);
void SetDecryptor(Decryptor* decryptor);
void OnDemuxerInitialized(PipelineStatus status);
void OnDemuxerSeeked(PipelineStatus status);
void OnDemuxerStopped();
void OnDemuxerStreamRead(DemuxerStream::Type type,
DemuxerStream::Status status,
const scoped_refptr<DecoderBuffer>& buffer);
// StarboardPlayer::Host implementation.
void OnNeedData(DemuxerStream::Type type) OVERRIDE;
void OnPlayerStatus(SbPlayerState state) OVERRIDE;
void UpdateDecoderConfig(const scoped_refptr<DemuxerStream>& stream);
void SuspendTask(base::WaitableEvent* done_event);
void ResumeTask(base::WaitableEvent* done_event);
// Message loop used to execute pipeline tasks. It is thread-safe.
scoped_refptr<base::MessageLoopProxy> message_loop_;
// The window this player associates with. It should only be assigned in the
// dtor and accesed once by SbPlayerCreate().
PipelineWindow window_;
// Lock used to serialize access for the following member variables.
mutable base::Lock lock_;
// Amount of available buffered data. Set by filters.
Ranges<int64> buffered_byte_ranges_;
Ranges<TimeDelta> buffered_time_ranges_;
// True when AddBufferedByteRange() has been called more recently than
// DidLoadingProgress().
mutable bool did_loading_progress_;
// Total size of the media. Set by filters.
int64 total_bytes_;
// Video's natural width and height. Set by filters.
gfx::Size natural_size_;
// Current volume level (from 0.0f to 1.0f). This value is set immediately
// via SetVolume() and a task is dispatched on the message loop to notify the
// filters.
float volume_;
// Current playback rate (>= 0.0f). This value is set immediately via
// SetPlaybackRate() and a task is dispatched on the message loop to notify
// the filters.
float playback_rate_;
// Whether the media contains rendered audio and video streams.
// TODO(fischman,scherkus): replace these with checks for
// {audio,video}_decoder_ once extraction of {Audio,Video}Decoder from the
// Filter heirarchy is done.
bool has_audio_;
bool has_video_;
mutable PipelineStatistics statistics_;
// The following member variables are only accessed by tasks posted to
// |message_loop_|.
// Temporary callback used for Stop().
base::Closure stop_cb_;
// Permanent callbacks passed in via Start().
SetDecryptorReadyCB decryptor_ready_cb_;
PipelineStatusCB ended_cb_;
PipelineStatusCB error_cb_;
BufferingStateCB buffering_state_cb_;
base::Closure duration_change_cb_;
base::optional<bool> decode_to_texture_output_mode_;
// Demuxer reference used for setting the preload value.
scoped_refptr<Demuxer> demuxer_;
bool audio_read_in_progress_;
bool video_read_in_progress_;
TimeDelta duration_;
scoped_refptr<SbPlayerSetBoundsHelper> set_bounds_helper_;
// The following member variables can be accessed from WMPI thread but all
// modifications to them happens on the pipeline thread. So any access of
// them from the WMPI thread and any modification to them on the pipeline
// thread has to guarded by lock. Access to them from the pipeline thread
// needn't to be guarded.
// Temporary callback used for Start() and Seek().
PipelineStatusCB seek_cb_;
base::TimeDelta seek_time_;
scoped_ptr<StarboardPlayer> player_;
bool suspended_;
DISALLOW_COPY_AND_ASSIGN(SbPlayerPipeline);
};
SbPlayerPipeline::SbPlayerPipeline(
PipelineWindow window,
const scoped_refptr<base::MessageLoopProxy>& message_loop,
MediaLog* media_log)
: window_(window),
message_loop_(message_loop),
total_bytes_(0),
natural_size_(0, 0),
volume_(1.f),
playback_rate_(0.f),
has_audio_(false),
has_video_(false),
audio_read_in_progress_(false),
video_read_in_progress_(false),
set_bounds_helper_(new SbPlayerSetBoundsHelper),
suspended_(false) {}
SbPlayerPipeline::~SbPlayerPipeline() {
DCHECK(!player_);
}
void SbPlayerPipeline::Suspend() {
DCHECK(!message_loop_->BelongsToCurrentThread());
base::WaitableEvent waitable_event(true, /* manual_reset */
false /* initially_signaled */);
message_loop_->PostTask(FROM_HERE,
base::Bind(&SbPlayerPipeline::SuspendTask,
base::Unretained(this), &waitable_event));
waitable_event.Wait();
}
void SbPlayerPipeline::Resume() {
DCHECK(!message_loop_->BelongsToCurrentThread());
base::WaitableEvent waitable_event(true, /* manual_reset */
false /* initially_signaled */);
message_loop_->PostTask(FROM_HERE,
base::Bind(&SbPlayerPipeline::ResumeTask,
base::Unretained(this), &waitable_event));
waitable_event.Wait();
}
void SbPlayerPipeline::Start(scoped_ptr<FilterCollection> filter_collection,
const SetDecryptorReadyCB& decryptor_ready_cb,
const PipelineStatusCB& ended_cb,
const PipelineStatusCB& error_cb,
const PipelineStatusCB& seek_cb,
const BufferingStateCB& buffering_state_cb,
const base::Closure& duration_change_cb) {
DCHECK(filter_collection);
StartTaskParameters parameters;
parameters.demuxer = filter_collection->GetDemuxer();
parameters.decryptor_ready_cb = decryptor_ready_cb;
parameters.ended_cb = ended_cb;
parameters.error_cb = error_cb;
parameters.seek_cb = seek_cb;
parameters.buffering_state_cb = buffering_state_cb;
parameters.duration_change_cb = duration_change_cb;
message_loop_->PostTask(
FROM_HERE, base::Bind(&SbPlayerPipeline::StartTask, this, parameters));
}
void SbPlayerPipeline::Stop(const base::Closure& stop_cb) {
if (!message_loop_->BelongsToCurrentThread()) {
message_loop_->PostTask(FROM_HERE,
base::Bind(&SbPlayerPipeline::Stop, this, stop_cb));
return;
}
DCHECK(stop_cb_.is_null());
DCHECK(!stop_cb.is_null());
if (player_) {
scoped_ptr<StarboardPlayer> player;
{
base::AutoLock auto_lock(lock_);
player = player_.Pass();
}
DLOG(INFO) << "Destroying SbPlayer.";
player.reset();
DLOG(INFO) << "SbPlayer destroyed.";
}
// When Stop() is in progress, we no longer need to call |error_cb_|.
error_cb_.Reset();
if (demuxer_) {
stop_cb_ = stop_cb;
demuxer_->Stop(base::Bind(&SbPlayerPipeline::OnDemuxerStopped, this));
} else {
stop_cb.Run();
}
}
void SbPlayerPipeline::Seek(TimeDelta time, const PipelineStatusCB& seek_cb) {
if (!message_loop_->BelongsToCurrentThread()) {
message_loop_->PostTask(
FROM_HERE, base::Bind(&SbPlayerPipeline::Seek, this, time, seek_cb));
return;
}
if (!player_) {
seek_cb.Run(PIPELINE_ERROR_INVALID_STATE);
}
player_->PrepareForSeek();
DCHECK(seek_cb_.is_null());
DCHECK(!seek_cb.is_null());
if (audio_read_in_progress_ || video_read_in_progress_) {
message_loop_->PostTask(
FROM_HERE, base::Bind(&SbPlayerPipeline::Seek, this, time, seek_cb));
return;
}
{
base::AutoLock auto_lock(lock_);
seek_cb_ = seek_cb;
seek_time_ = time;
}
demuxer_->Seek(time, BindToCurrentLoop(base::Bind(
&SbPlayerPipeline::OnDemuxerSeeked, this)));
}
bool SbPlayerPipeline::HasAudio() const {
base::AutoLock auto_lock(lock_);
return has_audio_;
}
bool SbPlayerPipeline::HasVideo() const {
base::AutoLock auto_lock(lock_);
return has_video_;
}
float SbPlayerPipeline::GetPlaybackRate() const {
base::AutoLock auto_lock(lock_);
return playback_rate_;
}
void SbPlayerPipeline::SetPlaybackRate(float playback_rate) {
base::AutoLock auto_lock(lock_);
playback_rate_ = playback_rate;
message_loop_->PostTask(
FROM_HERE,
base::Bind(&SbPlayerPipeline::SetPlaybackRateTask, this, playback_rate));
}
float SbPlayerPipeline::GetVolume() const {
base::AutoLock auto_lock(lock_);
return volume_;
}
void SbPlayerPipeline::SetVolume(float volume) {
if (volume < 0.0f || volume > 1.0f)
return;
base::AutoLock auto_lock(lock_);
volume_ = volume;
message_loop_->PostTask(
FROM_HERE, base::Bind(&SbPlayerPipeline::SetVolumeTask, this, volume));
}
TimeDelta SbPlayerPipeline::GetMediaTime() const {
base::AutoLock auto_lock(lock_);
if (!seek_cb_.is_null()) {
return seek_time_;
}
if (!player_) {
return TimeDelta();
}
base::TimeDelta media_time;
player_->GetInfo(&statistics_.video_frames_decoded,
&statistics_.video_frames_dropped, &media_time);
return media_time;
}
Ranges<TimeDelta> SbPlayerPipeline::GetBufferedTimeRanges() {
base::AutoLock auto_lock(lock_);
Ranges<TimeDelta> time_ranges;
for (size_t i = 0; i < buffered_time_ranges_.size(); ++i) {
time_ranges.Add(buffered_time_ranges_.start(i),
buffered_time_ranges_.end(i));
}
NOTIMPLEMENTED();
/*if (clock_->Duration() == TimeDelta() || total_bytes_ == 0)
return time_ranges;
for (size_t i = 0; i < buffered_byte_ranges_.size(); ++i) {
TimeDelta start = TimeForByteOffset_Locked(buffered_byte_ranges_.start(i));
TimeDelta end = TimeForByteOffset_Locked(buffered_byte_ranges_.end(i));
// Cap approximated buffered time at the length of the video.
end = std::min(end, clock_->Duration());
time_ranges.Add(start, end);
}*/
return time_ranges;
}
TimeDelta SbPlayerPipeline::GetMediaDuration() const {
base::AutoLock auto_lock(lock_);
return duration_;
}
int64 SbPlayerPipeline::GetTotalBytes() const {
base::AutoLock auto_lock(lock_);
return total_bytes_;
}
void SbPlayerPipeline::GetNaturalVideoSize(gfx::Size* out_size) const {
CHECK(out_size);
base::AutoLock auto_lock(lock_);
*out_size = natural_size_;
}
bool SbPlayerPipeline::DidLoadingProgress() const {
base::AutoLock auto_lock(lock_);
bool ret = did_loading_progress_;
did_loading_progress_ = false;
return ret;
}
PipelineStatistics SbPlayerPipeline::GetStatistics() const {
base::AutoLock auto_lock(lock_);
return statistics_;
}
Pipeline::SetBoundsCB SbPlayerPipeline::GetSetBoundsCB() {
return base::Bind(&SbPlayerSetBoundsHelper::SetBounds, set_bounds_helper_);
}
void SbPlayerPipeline::SetDecodeToTextureOutputMode(bool enabled) {
if (!message_loop_->BelongsToCurrentThread()) {
message_loop_->PostTask(
FROM_HERE, base::Bind(&SbPlayerPipeline::SetDecodeToTextureOutputMode,
this, enabled));
return;
}
decode_to_texture_output_mode_ = enabled;
}
void SbPlayerPipeline::StartTask(const StartTaskParameters& parameters) {
DCHECK(message_loop_->BelongsToCurrentThread());
DCHECK(!demuxer_);
demuxer_ = parameters.demuxer;
decryptor_ready_cb_ = parameters.decryptor_ready_cb;
ended_cb_ = parameters.ended_cb;
error_cb_ = parameters.error_cb;
{
base::AutoLock auto_lock(lock_);
seek_cb_ = parameters.seek_cb;
}
buffering_state_cb_ = parameters.buffering_state_cb;
duration_change_cb_ = parameters.duration_change_cb;
demuxer_->Initialize(
this, BindToCurrentLoop(
base::Bind(&SbPlayerPipeline::OnDemuxerInitialized, this)));
}
void SbPlayerPipeline::SetVolumeTask(float volume) {
DCHECK(message_loop_->BelongsToCurrentThread());
if (player_) {
player_->SetVolume(volume_);
}
}
void SbPlayerPipeline::SetPlaybackRateTask(float volume) {
DCHECK(message_loop_->BelongsToCurrentThread());
if (player_) {
player_->SetPlaybackRate(playback_rate_);
}
}
void SbPlayerPipeline::SetDurationTask(TimeDelta duration) {
DCHECK(message_loop_->BelongsToCurrentThread());
if (!duration_change_cb_.is_null()) {
duration_change_cb_.Run();
}
}
void SbPlayerPipeline::SetTotalBytes(int64 total_bytes) {
base::AutoLock auto_lock(lock_);
total_bytes_ = total_bytes;
}
void SbPlayerPipeline::SetDuration(TimeDelta duration) {
base::AutoLock auto_lock(lock_);
duration_ = duration;
message_loop_->PostTask(
FROM_HERE,
base::Bind(&SbPlayerPipeline::SetDurationTask, this, duration));
}
void SbPlayerPipeline::OnDemuxerError(PipelineStatus error) {
if (!message_loop_->BelongsToCurrentThread()) {
message_loop_->PostTask(
FROM_HERE, base::Bind(&SbPlayerPipeline::OnDemuxerError, this, error));
return;
}
if (error != PIPELINE_OK) {
ResetAndRunIfNotNull(&error_cb_, error);
}
}
void SbPlayerPipeline::AddBufferedByteRange(int64 start, int64 end) {
base::AutoLock auto_lock(lock_);
buffered_byte_ranges_.Add(start, end);
did_loading_progress_ = true;
}
void SbPlayerPipeline::AddBufferedTimeRange(TimeDelta start, TimeDelta end) {
base::AutoLock auto_lock(lock_);
buffered_time_ranges_.Add(start, end);
did_loading_progress_ = true;
}
void SbPlayerPipeline::CreatePlayer(SbDrmSystem drm_system) {
DCHECK(message_loop_->BelongsToCurrentThread());
if (suspended_) {
message_loop_->PostTask(
FROM_HERE,
base::Bind(&SbPlayerPipeline::CreatePlayer, this, drm_system));
return;
}
// TODO: Check |suspended_| here as the pipeline can be suspended before the
// player is created. In this case we should delay creating the player as the
// creation of player may fail.
const AudioDecoderConfig& audio_config =
demuxer_->GetStream(DemuxerStream::AUDIO)->audio_decoder_config();
const VideoDecoderConfig& video_config =
demuxer_->GetStream(DemuxerStream::VIDEO)->video_decoder_config();
{
base::AutoLock auto_lock(lock_);
player_.reset(new StarboardPlayer(
message_loop_, audio_config, video_config, window_, drm_system, this,
set_bounds_helper_.get(), *decode_to_texture_output_mode_));
SetPlaybackRateTask(playback_rate_);
SetVolumeTask(volume_);
}
if (player_->IsValid()) {
return;
}
player_.reset();
PipelineStatusCB seek_cb;
{
base::AutoLock auto_lock(lock_);
DCHECK(!seek_cb_.is_null());
seek_cb = base::ResetAndReturn(&seek_cb_);
}
seek_cb.Run(DECODER_ERROR_NOT_SUPPORTED);
}
void SbPlayerPipeline::SetDecryptor(Decryptor* decryptor) {
DCHECK(message_loop_->BelongsToCurrentThread());
if (!decryptor) {
return;
}
StarboardDecryptor* sb_decryptor =
reinterpret_cast<StarboardDecryptor*>(decryptor);
CreatePlayer(sb_decryptor->drm_system());
}
void SbPlayerPipeline::OnDemuxerInitialized(PipelineStatus status) {
DCHECK(message_loop_->BelongsToCurrentThread());
if (status != PIPELINE_OK) {
ResetAndRunIfNotNull(&error_cb_, status);
return;
}
if (demuxer_->GetStream(DemuxerStream::AUDIO) == NULL ||
demuxer_->GetStream(DemuxerStream::VIDEO) == NULL) {
ResetAndRunIfNotNull(&error_cb_, DEMUXER_ERROR_NO_SUPPORTED_STREAMS);
return;
}
{
base::AutoLock auto_lock(lock_);
has_audio_ = demuxer_->GetStream(DemuxerStream::AUDIO) != NULL;
DCHECK(has_audio_);
has_video_ = demuxer_->GetStream(DemuxerStream::VIDEO) != NULL;
buffering_state_cb_.Run(kHaveMetadata);
const AudioDecoderConfig& audio_config =
demuxer_->GetStream(DemuxerStream::AUDIO)->audio_decoder_config();
bool is_encrypted = audio_config.is_encrypted();
if (has_video_) {
const VideoDecoderConfig& video_config =
demuxer_->GetStream(DemuxerStream::VIDEO)->video_decoder_config();
natural_size_ = video_config.natural_size();
is_encrypted |= video_config.is_encrypted();
}
if (is_encrypted) {
decryptor_ready_cb_.Run(
BindToCurrentLoop(base::Bind(&SbPlayerPipeline::SetDecryptor, this)));
return;
}
}
CreatePlayer(kSbDrmSystemInvalid);
}
void SbPlayerPipeline::OnDemuxerSeeked(PipelineStatus status) {
DCHECK(message_loop_->BelongsToCurrentThread());
if (status == PIPELINE_OK) {
player_->Seek(seek_time_);
}
}
void SbPlayerPipeline::OnDemuxerStopped() {
if (!message_loop_->BelongsToCurrentThread()) {
message_loop_->PostTask(
FROM_HERE, base::Bind(&SbPlayerPipeline::OnDemuxerStopped, this));
return;
}
base::ResetAndReturn(&stop_cb_).Run();
}
void SbPlayerPipeline::OnDemuxerStreamRead(
DemuxerStream::Type type,
DemuxerStream::Status status,
const scoped_refptr<DecoderBuffer>& buffer) {
DCHECK(type == DemuxerStream::AUDIO || type == DemuxerStream::VIDEO)
<< "Unsupported DemuxerStream::Type " << type;
if (!message_loop_->BelongsToCurrentThread()) {
message_loop_->PostTask(
FROM_HERE, base::Bind(&SbPlayerPipeline::OnDemuxerStreamRead, this,
type, status, buffer));
return;
}
scoped_refptr<DemuxerStream> stream = demuxer_->GetStream(type);
// In case if Stop() has been called.
if (!player_) {
return;
}
if (status == DemuxerStream::kAborted) {
if (type == DemuxerStream::AUDIO) {
DCHECK(audio_read_in_progress_);
audio_read_in_progress_ = false;
} else {
DCHECK(video_read_in_progress_);
video_read_in_progress_ = false;
}
if (!seek_cb_.is_null()) {
PipelineStatusCB seek_cb;
{
base::AutoLock auto_lock(lock_);
seek_cb = base::ResetAndReturn(&seek_cb_);
}
seek_cb.Run(PIPELINE_OK);
}
return;
}
if (status == DemuxerStream::kConfigChanged) {
UpdateDecoderConfig(stream);
stream->Read(
base::Bind(&SbPlayerPipeline::OnDemuxerStreamRead, this, type));
return;
}
if (type == DemuxerStream::AUDIO) {
audio_read_in_progress_ = false;
} else {
video_read_in_progress_ = false;
}
player_->WriteBuffer(type, buffer);
}
void SbPlayerPipeline::OnNeedData(DemuxerStream::Type type) {
DCHECK(message_loop_->BelongsToCurrentThread());
// In case if Stop() has been called.
if (!player_) {
return;
}
if (type == DemuxerStream::AUDIO) {
if (audio_read_in_progress_) {
return;
}
audio_read_in_progress_ = true;
} else {
DCHECK_EQ(type, DemuxerStream::VIDEO);
if (video_read_in_progress_) {
return;
}
video_read_in_progress_ = true;
}
scoped_refptr<DemuxerStream> stream = demuxer_->GetStream(type);
stream->Read(base::Bind(&SbPlayerPipeline::OnDemuxerStreamRead, this, type));
}
void SbPlayerPipeline::OnPlayerStatus(SbPlayerState state) {
DCHECK(message_loop_->BelongsToCurrentThread());
// In case if Stop() has been called.
if (!player_) {
return;
}
switch (state) {
case kSbPlayerStateInitialized:
NOTREACHED();
break;
case kSbPlayerStatePrerolling:
break;
case kSbPlayerStatePresenting:
buffering_state_cb_.Run(kPrerollCompleted);
if (!seek_cb_.is_null()) {
PipelineStatusCB seek_cb;
{
base::AutoLock auto_lock(lock_);
seek_cb = base::ResetAndReturn(&seek_cb_);
}
seek_cb.Run(PIPELINE_OK);
}
break;
case kSbPlayerStateEndOfStream:
ended_cb_.Run(PIPELINE_OK);
break;
case kSbPlayerStateDestroyed:
break;
case kSbPlayerStateError:
ResetAndRunIfNotNull(&error_cb_, PIPELINE_ERROR_DECODE);
break;
}
}
void SbPlayerPipeline::UpdateDecoderConfig(
const scoped_refptr<DemuxerStream>& stream) {
DCHECK(message_loop_->BelongsToCurrentThread());
if (stream->type() == DemuxerStream::AUDIO) {
stream->audio_decoder_config();
} else {
DCHECK_EQ(stream->type(), DemuxerStream::VIDEO);
const VideoDecoderConfig& decoder_config = stream->video_decoder_config();
base::AutoLock auto_lock(lock_);
natural_size_ = decoder_config.natural_size();
player_->UpdateVideoResolution(static_cast<int>(natural_size_.width()),
static_cast<int>(natural_size_.height()));
}
}
void SbPlayerPipeline::SuspendTask(base::WaitableEvent* done_event) {
DCHECK(message_loop_->BelongsToCurrentThread());
DCHECK(done_event);
DCHECK(!suspended_);
if (suspended_) {
done_event->Signal();
return;
}
if (player_) {
player_->Suspend();
}
suspended_ = true;
done_event->Signal();
}
void SbPlayerPipeline::ResumeTask(base::WaitableEvent* done_event) {
DCHECK(message_loop_->BelongsToCurrentThread());
DCHECK(done_event);
DCHECK(suspended_);
if (!suspended_) {
done_event->Signal();
return;
}
if (player_) {
player_->Resume();
}
suspended_ = false;
done_event->Signal();
}
} // namespace
#endif // SB_HAS(PLAYER)
scoped_refptr<Pipeline> Pipeline::Create(
PipelineWindow window,
const scoped_refptr<base::MessageLoopProxy>& message_loop,
MediaLog* media_log) {
#if SB_HAS(PLAYER)
return new SbPlayerPipeline(window, message_loop, media_log);
#else
return NULL;
#endif
}
} // namespace media