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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| // | ||
| // Created by moqi on 2020/1/10. | ||
| // | ||
|
|
||
| #include <utils/ffmpeg_utils.h> | ||
| #include <base/media/AVAFPacket.h> | ||
| #include "CheaterAudioRender.h" | ||
|
|
||
| int Cicada::CheaterAudioRender::init_device() | ||
| { | ||
| mOutputInfo.format = AF_SAMPLE_FMT_S16; | ||
| mOutputInfo.sample_rate = 44100; | ||
| mOutputInfo.channels = std::min(mInputInfo.channels, 2); | ||
| mClock.set(0); | ||
| mClock.start(); | ||
| return 0; | ||
| } | ||
|
|
||
| int Cicada::CheaterAudioRender::pause_device() | ||
| { | ||
| mClock.pause(); | ||
| return 0; | ||
| } | ||
|
|
||
| int Cicada::CheaterAudioRender::start_device() | ||
| { | ||
| mClock.start(); | ||
| return 0; | ||
| } | ||
|
|
||
| void Cicada::CheaterAudioRender::flush_device() | ||
| { | ||
| mClock.reset(); | ||
| mPCMDuration = 0; | ||
| } | ||
|
|
||
| int64_t Cicada::CheaterAudioRender::device_get_position() | ||
| { | ||
| int64_t clock = mClock.get(); | ||
| if (clock > mPCMDuration) { | ||
| mClock.set(mPCMDuration); | ||
| return mPCMDuration; | ||
| } | ||
| return clock; | ||
| } | ||
|
|
||
| int Cicada::CheaterAudioRender::device_write(unique_ptr<IAFFrame> &frame) | ||
| { | ||
| if (!frame) | ||
| return 0; | ||
| if (mPCMDuration - mClock.get() > 1000000) { | ||
| return -EAGAIN; | ||
| } | ||
| auto *avafFrame = dynamic_cast<AVAFFrame *> (frame.get()); | ||
| if (avafFrame) { | ||
| int duration = getPCMFrameDuration(avafFrame->ToAVFrame()); | ||
| if (duration > 0) | ||
| mPCMDuration += duration; | ||
| } | ||
| frame = nullptr; | ||
| return 0; | ||
| } | ||
|
|
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| uint64_t Cicada::CheaterAudioRender::device_get_que_duration() | ||
| { | ||
| int64_t clock = mClock.get(); | ||
| return std::max((int64_t) 0, mPCMDuration - clock); | ||
|
|
||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,53 @@ | ||
| // | ||
| // Created by moqi on 2020/1/10. | ||
| // | ||
|
|
||
| #ifndef CICADAMEDIA_CHEATERAUDIORENDER_H | ||
| #define CICADAMEDIA_CHEATERAUDIORENDER_H | ||
|
|
||
| #include "filterAudioRender.h" | ||
| #include "utils/af_clock.h" | ||
|
|
||
| namespace Cicada { | ||
| class CheaterAudioRender : public filterAudioRender { | ||
| public: | ||
| CheaterAudioRender() | ||
| { | ||
|
|
||
| } | ||
|
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| ~CheaterAudioRender() override | ||
| { | ||
|
|
||
| } | ||
|
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| private: | ||
| int init_device() override; | ||
|
|
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| int pause_device() override; | ||
|
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| int start_device() override; | ||
|
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| void flush_device() override; | ||
|
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| void device_setVolume(float gain) override | ||
| { | ||
|
|
||
| } | ||
|
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| int64_t device_get_position() override; | ||
|
|
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| int device_write(unique_ptr<IAFFrame> &frame) override; | ||
|
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| uint64_t device_get_que_duration() override; | ||
|
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| private: | ||
| af_clock mClock{}; | ||
| int64_t mPCMDuration{0}; | ||
|
|
||
|
|
||
| }; | ||
| } | ||
|
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|
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| #endif //CICADAMEDIA_CHEATERAUDIORENDER_H |
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