#include "base/debug/trace_event.h"
#include "base/message_loop/message_loop_proxy.h"
#include "media/base/android/media_codec_bridge.h"
+#include "media/base/android/media_drm_bridge.h"
#include "media/base/bind_to_current_loop.h"
#include "media/base/buffers.h"
MediaDecoderJob::MediaDecoderJob(
const scoped_refptr<base::SingleThreadTaskRunner>& decoder_task_runner,
- MediaCodecBridge* media_codec_bridge,
- const base::Closure& request_data_cb)
- : ui_task_runner_(base::MessageLoopProxy::current()),
+ const base::Closure& request_data_cb,
+ const base::Closure& config_changed_cb)
+ : need_to_reconfig_decoder_job_(false),
+ ui_task_runner_(base::MessageLoopProxy::current()),
decoder_task_runner_(decoder_task_runner),
- media_codec_bridge_(media_codec_bridge),
needs_flush_(false),
input_eos_encountered_(false),
output_eos_encountered_(false),
skip_eos_enqueue_(true),
prerolling_(true),
request_data_cb_(request_data_cb),
+ config_changed_cb_(config_changed_cb),
current_demuxer_data_index_(0),
input_buf_index_(-1),
+ is_content_encrypted_(false),
stop_decode_pending_(false),
destroy_pending_(false),
is_requesting_demuxer_data_(false),
is_incoming_data_invalid_(false),
- weak_factory_(this) {
+ release_resources_pending_(false),
+ drm_bridge_(NULL),
+ drain_decoder_(false) {
InitializeReceivedData();
+ eos_unit_.end_of_stream = true;
}
-MediaDecoderJob::~MediaDecoderJob() {}
+MediaDecoderJob::~MediaDecoderJob() {
+ ReleaseMediaCodecBridge();
+}
void MediaDecoderJob::OnDataReceived(const DemuxerData& data) {
DVLOG(1) << __FUNCTION__ << ": " << data.access_units.size() << " units";
// If there is a pending callback, need to request the data again to get
// valid data.
- if (!on_data_received_cb_.is_null())
+ if (!data_received_cb_.is_null())
request_data_cb_.Run();
else
is_requesting_demuxer_data_ = false;
access_unit_index_[next_demuxer_data_index] = 0;
is_requesting_demuxer_data_ = false;
- base::Closure done_cb = base::ResetAndReturn(&on_data_received_cb_);
+ base::Closure done_cb = base::ResetAndReturn(&data_received_cb_);
+
+ // If this data request is for the inactive chunk, or |data_received_cb_|
+ // was set to null by Flush() or Release(), do nothing.
+ if (done_cb.is_null())
+ return;
+
if (stop_decode_pending_) {
- OnDecodeCompleted(MEDIA_CODEC_STOPPED, kNoTimestamp(), 0);
+ DCHECK(is_decoding());
+ OnDecodeCompleted(MEDIA_CODEC_STOPPED, kNoTimestamp(), kNoTimestamp());
return;
}
- if (!done_cb.is_null())
- done_cb.Run();
+ done_cb.Run();
}
void MediaDecoderJob::Prefetch(const base::Closure& prefetch_cb) {
DCHECK(ui_task_runner_->BelongsToCurrentThread());
- DCHECK(on_data_received_cb_.is_null());
+ DCHECK(data_received_cb_.is_null());
DCHECK(decode_cb_.is_null());
if (HasData()) {
base::TimeDelta start_presentation_timestamp,
const DecoderCallback& callback) {
DCHECK(decode_cb_.is_null());
- DCHECK(on_data_received_cb_.is_null());
+ DCHECK(data_received_cb_.is_null());
DCHECK(ui_task_runner_->BelongsToCurrentThread());
+ if (!media_codec_bridge_ || need_to_reconfig_decoder_job_) {
+ need_to_reconfig_decoder_job_ = !CreateMediaCodecBridge();
+ if (drain_decoder_) {
+ // Decoder has been recreated, stop draining.
+ drain_decoder_ = false;
+ input_eos_encountered_ = false;
+ output_eos_encountered_ = false;
+ access_unit_index_[current_demuxer_data_index_]++;
+ }
+ skip_eos_enqueue_ = true;
+ if (need_to_reconfig_decoder_job_)
+ return false;
+ }
+
decode_cb_ = callback;
if (!HasData()) {
return true;
}
- if (DemuxerStream::kConfigChanged == CurrentAccessUnit().status) {
- // Clear received data because we need to handle a config change.
- decode_cb_.Reset();
- ClearData();
- return false;
- }
-
DecodeCurrentAccessUnit(start_time_ticks, start_presentation_timestamp);
return true;
}
stop_decode_pending_ = true;
}
+bool MediaDecoderJob::OutputEOSReached() const {
+ return !drain_decoder_ && output_eos_encountered_;
+}
+
+void MediaDecoderJob::SetDrmBridge(MediaDrmBridge* drm_bridge) {
+ drm_bridge_ = drm_bridge;
+ need_to_reconfig_decoder_job_ = true;
+}
+
void MediaDecoderJob::Flush() {
+ DVLOG(1) << __FUNCTION__;
+ DCHECK(ui_task_runner_->BelongsToCurrentThread());
+ DCHECK(data_received_cb_.is_null());
DCHECK(decode_cb_.is_null());
+ // Clean up the received data.
+ current_demuxer_data_index_ = 0;
+ InitializeReceivedData();
+ if (is_requesting_demuxer_data_)
+ is_incoming_data_invalid_ = true;
+ input_eos_encountered_ = false;
+ output_eos_encountered_ = false;
+ drain_decoder_ = false;
+
// Do nothing, flush when the next Decode() happens.
needs_flush_ = true;
- ClearData();
}
void MediaDecoderJob::BeginPrerolling(base::TimeDelta preroll_timestamp) {
prerolling_ = true;
}
+void MediaDecoderJob::ReleaseDecoderResources() {
+ DVLOG(1) << __FUNCTION__;
+ DCHECK(ui_task_runner_->BelongsToCurrentThread());
+ if (decode_cb_.is_null()) {
+ DCHECK(!drain_decoder_);
+ // Since the decoder job is not decoding data, we can safely destroy
+ // |media_codec_bridge_|.
+ ReleaseMediaCodecBridge();
+ return;
+ }
+
+ // Release |media_codec_bridge_| once decoding is completed.
+ release_resources_pending_ = true;
+}
+
+base::android::ScopedJavaLocalRef<jobject> MediaDecoderJob::GetMediaCrypto() {
+ base::android::ScopedJavaLocalRef<jobject> media_crypto;
+ if (drm_bridge_)
+ media_crypto = drm_bridge_->GetMediaCrypto();
+ return media_crypto;
+}
+
void MediaDecoderJob::Release() {
DCHECK(ui_task_runner_->BelongsToCurrentThread());
DVLOG(1) << __FUNCTION__;
- // If the decoder job is not waiting for data, and is still decoding, we
- // cannot delete the job immediately.
- destroy_pending_ = on_data_received_cb_.is_null() && is_decoding();
+ // If the decoder job is still decoding, we cannot delete the job immediately.
+ destroy_pending_ = is_decoding();
request_data_cb_.Reset();
- on_data_received_cb_.Reset();
+ data_received_cb_.Reset();
decode_cb_.Reset();
if (destroy_pending_) {
bool MediaDecoderJob::HasData() const {
DCHECK(ui_task_runner_->BelongsToCurrentThread());
// When |input_eos_encountered_| is set, |access_unit_index_| and
- // |current_demuxer_data_index_| must be pointing to an EOS unit.
- // We'll reuse this unit to flush the decoder until we hit output EOS.
+ // |current_demuxer_data_index_| must be pointing to an EOS unit,
+ // or a |kConfigChanged| unit if |drain_decoder_| is true. In both cases,
+ // we'll feed an EOS input unit to drain the decoder until we hit output EOS.
DCHECK(!input_eos_encountered_ || !NoAccessUnitsRemainingInChunk(true));
return !NoAccessUnitsRemainingInChunk(true) ||
!NoAccessUnitsRemainingInChunk(false);
void MediaDecoderJob::RequestData(const base::Closure& done_cb) {
DVLOG(1) << __FUNCTION__;
DCHECK(ui_task_runner_->BelongsToCurrentThread());
- DCHECK(on_data_received_cb_.is_null());
+ DCHECK(data_received_cb_.is_null());
DCHECK(!input_eos_encountered_);
DCHECK(NoAccessUnitsRemainingInChunk(false));
TRACE_EVENT_ASYNC_BEGIN0("media", "MediaDecoderJob::RequestData", this);
- on_data_received_cb_ = done_cb;
+ data_received_cb_ = done_cb;
// If we are already expecting new data, just set the callback and do
// nothing.
RequestCurrentChunkIfEmpty();
const AccessUnit& access_unit = CurrentAccessUnit();
- // If the first access unit is a config change, request the player to dequeue
- // the input buffer again so that it can request config data.
- if (access_unit.status == DemuxerStream::kConfigChanged) {
- ui_task_runner_->PostTask(FROM_HERE,
- base::Bind(&MediaDecoderJob::OnDecodeCompleted,
- base::Unretained(this),
- MEDIA_CODEC_DEQUEUE_INPUT_AGAIN_LATER,
- kNoTimestamp(),
- 0));
- return;
+ if (CurrentAccessUnit().status == DemuxerStream::kConfigChanged) {
+ int index = CurrentReceivedDataChunkIndex();
+ const DemuxerConfigs& configs = received_data_[index].demuxer_configs[0];
+ bool reconfigure_needed = IsCodecReconfigureNeeded(configs);
+ SetDemuxerConfigs(configs);
+ if (!drain_decoder_) {
+ // If we haven't decoded any data yet, just skip the current access unit
+ // and request the MediaCodec to be recreated on next Decode().
+ if (skip_eos_enqueue_ || !reconfigure_needed) {
+ need_to_reconfig_decoder_job_ =
+ need_to_reconfig_decoder_job_ || reconfigure_needed;
+ // Report MEDIA_CODEC_OK status so decoder will continue decoding and
+ // MEDIA_CODEC_OUTPUT_FORMAT_CHANGED status will come later.
+ ui_task_runner_->PostTask(FROM_HERE, base::Bind(
+ &MediaDecoderJob::OnDecodeCompleted, base::Unretained(this),
+ MEDIA_CODEC_OK, kNoTimestamp(), kNoTimestamp()));
+ return;
+ }
+ // Start draining the decoder so that all the remaining frames are
+ // rendered.
+ drain_decoder_ = true;
+ }
}
+ DCHECK(!(needs_flush_ && drain_decoder_));
decoder_task_runner_->PostTask(FROM_HERE, base::Bind(
&MediaDecoderJob::DecodeInternal, base::Unretained(this),
- access_unit,
+ drain_decoder_ ? eos_unit_ : access_unit,
start_time_ticks, start_presentation_timestamp, needs_flush_,
media::BindToCurrentLoop(base::Bind(
&MediaDecoderJob::OnDecodeCompleted, base::Unretained(this)))));
output_eos_encountered_ = false;
MediaCodecStatus reset_status = media_codec_bridge_->Reset();
if (MEDIA_CODEC_OK != reset_status) {
- callback.Run(reset_status, kNoTimestamp(), 0);
+ callback.Run(reset_status, kNoTimestamp(), kNoTimestamp());
return;
}
}
// For aborted access unit, just skip it and inform the player.
if (unit.status == DemuxerStream::kAborted) {
// TODO(qinmin): use a new enum instead of MEDIA_CODEC_STOPPED.
- callback.Run(MEDIA_CODEC_STOPPED, kNoTimestamp(), 0);
+ callback.Run(MEDIA_CODEC_STOPPED, kNoTimestamp(), kNoTimestamp());
return;
}
if (unit.end_of_stream || unit.data.empty()) {
input_eos_encountered_ = true;
output_eos_encountered_ = true;
- callback.Run(MEDIA_CODEC_OUTPUT_END_OF_STREAM, kNoTimestamp(), 0);
+ callback.Run(MEDIA_CODEC_OUTPUT_END_OF_STREAM, kNoTimestamp(),
+ kNoTimestamp());
return;
}
if (input_status == MEDIA_CODEC_INPUT_END_OF_STREAM) {
input_eos_encountered_ = true;
} else if (input_status != MEDIA_CODEC_OK) {
- callback.Run(input_status, kNoTimestamp(), 0);
+ callback.Run(input_status, kNoTimestamp(), kNoTimestamp());
return;
}
}
base::TimeDelta timeout = base::TimeDelta::FromMilliseconds(
kMediaCodecTimeoutInMilliseconds);
- MediaCodecStatus status =
- media_codec_bridge_->DequeueOutputBuffer(timeout,
- &buffer_index,
- &offset,
- &size,
- &presentation_timestamp,
- &output_eos_encountered_,
- NULL);
-
- if (status != MEDIA_CODEC_OK) {
+ MediaCodecStatus status = MEDIA_CODEC_OK;
+ bool has_format_change = false;
+ // Dequeue the output buffer until a MEDIA_CODEC_OK, MEDIA_CODEC_ERROR or
+ // MEDIA_CODEC_DEQUEUE_OUTPUT_AGAIN_LATER is received.
+ do {
+ status = media_codec_bridge_->DequeueOutputBuffer(
+ timeout,
+ &buffer_index,
+ &offset,
+ &size,
+ &presentation_timestamp,
+ &output_eos_encountered_,
+ NULL);
if (status == MEDIA_CODEC_OUTPUT_BUFFERS_CHANGED &&
!media_codec_bridge_->GetOutputBuffers()) {
status = MEDIA_CODEC_ERROR;
+ } else if (status == MEDIA_CODEC_OUTPUT_FORMAT_CHANGED) {
+ // TODO(qinmin): instead of waiting for the next output buffer to be
+ // dequeued, post a task on the UI thread to signal the format change.
+ has_format_change = true;
}
- callback.Run(status, kNoTimestamp(), 0);
+ } while (status != MEDIA_CODEC_OK && status != MEDIA_CODEC_ERROR &&
+ status != MEDIA_CODEC_DEQUEUE_OUTPUT_AGAIN_LATER);
+
+ if (status != MEDIA_CODEC_OK) {
+ callback.Run(status, kNoTimestamp(), kNoTimestamp());
return;
}
// TODO(xhwang/qinmin): This logic is correct but strange. Clean it up.
if (output_eos_encountered_)
status = MEDIA_CODEC_OUTPUT_END_OF_STREAM;
- else if (input_status == MEDIA_CODEC_INPUT_END_OF_STREAM)
- status = MEDIA_CODEC_INPUT_END_OF_STREAM;
+ else if (has_format_change)
+ status = MEDIA_CODEC_OUTPUT_FORMAT_CHANGED;
bool render_output = presentation_timestamp >= preroll_timestamp_ &&
(status != MEDIA_CODEC_OUTPUT_END_OF_STREAM || size != 0u);
decoder_task_runner_->PostDelayedTask(
FROM_HERE,
base::Bind(&MediaDecoderJob::ReleaseOutputBuffer,
- weak_factory_.GetWeakPtr(),
+ base::Unretained(this),
buffer_index,
size,
render_output,
- base::Bind(callback, status, presentation_timestamp)),
+ presentation_timestamp,
+ base::Bind(callback, status)),
time_to_render);
return;
}
presentation_timestamp = kNoTimestamp();
}
ReleaseOutputCompletionCallback completion_callback = base::Bind(
- callback, status, presentation_timestamp);
- ReleaseOutputBuffer(buffer_index, size, render_output, completion_callback);
+ callback, status);
+ ReleaseOutputBuffer(buffer_index, size, render_output, presentation_timestamp,
+ completion_callback);
}
void MediaDecoderJob::OnDecodeCompleted(
- MediaCodecStatus status, base::TimeDelta presentation_timestamp,
- size_t audio_output_bytes) {
+ MediaCodecStatus status, base::TimeDelta current_presentation_timestamp,
+ base::TimeDelta max_presentation_timestamp) {
DCHECK(ui_task_runner_->BelongsToCurrentThread());
if (destroy_pending_) {
return;
}
+ if (status == MEDIA_CODEC_OUTPUT_END_OF_STREAM)
+ output_eos_encountered_ = true;
+
DCHECK(!decode_cb_.is_null());
// If output was queued for rendering, then we have completed prerolling.
- if (presentation_timestamp != kNoTimestamp())
+ if (current_presentation_timestamp != kNoTimestamp())
prerolling_ = false;
switch (status) {
case MEDIA_CODEC_OK:
case MEDIA_CODEC_DEQUEUE_OUTPUT_AGAIN_LATER:
- case MEDIA_CODEC_OUTPUT_BUFFERS_CHANGED:
case MEDIA_CODEC_OUTPUT_FORMAT_CHANGED:
case MEDIA_CODEC_OUTPUT_END_OF_STREAM:
- if (!input_eos_encountered_)
+ if (!input_eos_encountered_) {
+ CurrentDataConsumed(
+ CurrentAccessUnit().status == DemuxerStream::kConfigChanged);
access_unit_index_[current_demuxer_data_index_]++;
+ }
break;
case MEDIA_CODEC_DEQUEUE_INPUT_AGAIN_LATER:
case MEDIA_CODEC_ERROR:
// Do nothing.
break;
+
+ case MEDIA_CODEC_OUTPUT_BUFFERS_CHANGED:
+ DCHECK(false) << "Invalid output status";
+ break;
};
+ if (status == MEDIA_CODEC_OUTPUT_END_OF_STREAM && drain_decoder_) {
+ OnDecoderDrained();
+ status = MEDIA_CODEC_OK;
+ }
+
+ if (status == MEDIA_CODEC_OUTPUT_FORMAT_CHANGED) {
+ if (UpdateOutputFormat())
+ config_changed_cb_.Run();
+ status = MEDIA_CODEC_OK;
+ }
+
+ if (release_resources_pending_) {
+ ReleaseMediaCodecBridge();
+ release_resources_pending_ = false;
+ if (drain_decoder_)
+ OnDecoderDrained();
+ }
+
stop_decode_pending_ = false;
- base::ResetAndReturn(&decode_cb_).Run(status, presentation_timestamp,
- audio_output_bytes);
+ base::ResetAndReturn(&decode_cb_).Run(
+ status, current_presentation_timestamp, max_presentation_timestamp);
}
const AccessUnit& MediaDecoderJob::CurrentAccessUnit() const {
DCHECK(ui_task_runner_->BelongsToCurrentThread());
DCHECK(HasData());
- int index = NoAccessUnitsRemainingInChunk(true) ?
- inactive_demuxer_data_index() : current_demuxer_data_index_;
+ size_t index = CurrentReceivedDataChunkIndex();
return received_data_[index].access_units[access_unit_index_[index]];
}
+size_t MediaDecoderJob::CurrentReceivedDataChunkIndex() const {
+ return NoAccessUnitsRemainingInChunk(true) ?
+ inactive_demuxer_data_index() : current_demuxer_data_index_;
+}
+
bool MediaDecoderJob::NoAccessUnitsRemainingInChunk(
bool is_active_chunk) const {
DCHECK(ui_task_runner_->BelongsToCurrentThread());
return received_data_[index].access_units.size() <= access_unit_index_[index];
}
-void MediaDecoderJob::ClearData() {
- DCHECK(ui_task_runner_->BelongsToCurrentThread());
- current_demuxer_data_index_ = 0;
- InitializeReceivedData();
- on_data_received_cb_.Reset();
- if (is_requesting_demuxer_data_)
- is_incoming_data_invalid_ = true;
- input_eos_encountered_ = false;
-}
-
void MediaDecoderJob::RequestCurrentChunkIfEmpty() {
DCHECK(ui_task_runner_->BelongsToCurrentThread());
DCHECK(HasData());
const AccessUnit last_access_unit =
received_data_[current_demuxer_data_index_].access_units.back();
if (!last_access_unit.end_of_stream &&
- last_access_unit.status != DemuxerStream::kConfigChanged &&
last_access_unit.status != DemuxerStream::kAborted) {
RequestData(base::Closure());
}
}
}
+void MediaDecoderJob::OnDecoderDrained() {
+ DVLOG(1) << __FUNCTION__;
+ DCHECK(ui_task_runner_->BelongsToCurrentThread());
+ DCHECK(drain_decoder_);
+
+ input_eos_encountered_ = false;
+ output_eos_encountered_ = false;
+ drain_decoder_ = false;
+ ReleaseMediaCodecBridge();
+ // Increase the access unit index so that the new decoder will not handle
+ // the config change again.
+ access_unit_index_[current_demuxer_data_index_]++;
+ CurrentDataConsumed(true);
+}
+
+bool MediaDecoderJob::CreateMediaCodecBridge() {
+ DVLOG(1) << __FUNCTION__;
+ DCHECK(ui_task_runner_->BelongsToCurrentThread());
+ DCHECK(decode_cb_.is_null());
+
+ if (!HasStream()) {
+ ReleaseMediaCodecBridge();
+ return false;
+ }
+
+ // Create |media_codec_bridge_| only if config changes.
+ if (media_codec_bridge_ && !need_to_reconfig_decoder_job_)
+ return true;
+
+ base::android::ScopedJavaLocalRef<jobject> media_crypto = GetMediaCrypto();
+ if (is_content_encrypted_ && media_crypto.is_null())
+ return false;
+
+ ReleaseMediaCodecBridge();
+ DVLOG(1) << __FUNCTION__ << " : creating new media codec bridge";
+
+ return CreateMediaCodecBridgeInternal();
+}
+
+bool MediaDecoderJob::IsCodecReconfigureNeeded(
+ const DemuxerConfigs& configs) const {
+ if (!AreDemuxerConfigsChanged(configs))
+ return false;
+ return true;
+}
+
+bool MediaDecoderJob::UpdateOutputFormat() {
+ return false;
+}
+
+void MediaDecoderJob::ReleaseMediaCodecBridge() {
+ if (!media_codec_bridge_)
+ return;
+
+ media_codec_bridge_.reset();
+ input_buf_index_ = -1;
+}
+
} // namespace media