mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-11-18 11:08:26 +00:00
80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim:set ts=2 sw=2 sts=2 et cindent: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
* You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "MediaOmxCommonReader.h"
|
|
|
|
#include <stagefright/MediaSource.h>
|
|
|
|
#include "AbstractMediaDecoder.h"
|
|
#include "AudioChannelService.h"
|
|
#include "MediaStreamSource.h"
|
|
#include "gfxPrefs.h"
|
|
|
|
#ifdef MOZ_AUDIO_OFFLOAD
|
|
#include <stagefright/Utils.h>
|
|
#include <cutils/properties.h>
|
|
#include <stagefright/MetaData.h>
|
|
#endif
|
|
|
|
using namespace android;
|
|
|
|
namespace mozilla {
|
|
|
|
extern LazyLogModule gMediaDecoderLog;
|
|
#define DECODER_LOG(type, msg) MOZ_LOG(gMediaDecoderLog, type, msg)
|
|
|
|
MediaOmxCommonReader::MediaOmxCommonReader(AbstractMediaDecoder *aDecoder)
|
|
: MediaDecoderReader(aDecoder)
|
|
, mStreamSource(nullptr)
|
|
{
|
|
mAudioChannel = dom::AudioChannelService::GetDefaultAudioChannel();
|
|
}
|
|
|
|
bool MediaOmxCommonReader::IsMonoAudioEnabled()
|
|
{
|
|
return gfxPrefs::MonoAudio();
|
|
}
|
|
|
|
#ifdef MOZ_AUDIO_OFFLOAD
|
|
void MediaOmxCommonReader::CheckAudioOffload()
|
|
{
|
|
MOZ_ASSERT(OnTaskQueue());
|
|
|
|
char offloadProp[128];
|
|
property_get("audio.offload.disable", offloadProp, "0");
|
|
bool offloadDisable = atoi(offloadProp) != 0;
|
|
if (offloadDisable) {
|
|
return;
|
|
}
|
|
|
|
sp<MediaSource> audioOffloadTrack = GetAudioOffloadTrack();
|
|
sp<MetaData> meta = audioOffloadTrack.get()
|
|
? audioOffloadTrack->getFormat() : nullptr;
|
|
|
|
// Supporting audio offload only when there is no video, no streaming
|
|
bool hasNoVideo = !HasVideo();
|
|
bool isNotStreaming
|
|
= mDecoder->GetResource()->IsDataCachedToEndOfResource(0);
|
|
|
|
// Not much benefit in trying to offload other channel types. Most of them
|
|
// aren't supported and also duration would be less than a minute
|
|
bool isTypeMusic = mAudioChannel == dom::AudioChannel::Content;
|
|
|
|
DECODER_LOG(LogLevel::Debug, ("%s meta %p, no video %d, no streaming %d,"
|
|
" channel type %d", __FUNCTION__, meta.get(), hasNoVideo,
|
|
isNotStreaming, mAudioChannel));
|
|
|
|
if ((meta.get()) && hasNoVideo && isNotStreaming && isTypeMusic &&
|
|
canOffloadStream(meta, false, false, AUDIO_STREAM_MUSIC) &&
|
|
!IsMonoAudioEnabled()) {
|
|
DECODER_LOG(LogLevel::Debug, ("Can offload this audio stream"));
|
|
mDecoder->SetPlatformCanOffloadAudio(true);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
} // namespace mozilla
|