66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
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#ifndef TGCALLS_AUDIO_STREAMING_PART_INTERNAL_H
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#define TGCALLS_AUDIO_STREAMING_PART_INTERNAL_H
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#include "absl/types/optional.h"
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#include <vector>
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#include <string>
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#include <map>
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#include <stdint.h>
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#include "AVIOContextImpl.h"
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#include "AudioStreamingPartPersistentDecoder.h"
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namespace tgcalls {
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class AudioStreamingPartInternal {
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public:
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struct ReadPcmResult {
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int numSamples = 0;
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int numChannels = 0;
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};
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struct ChannelUpdate {
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int frameIndex = 0;
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int id = 0;
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uint32_t ssrc = 0;
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};
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public:
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AudioStreamingPartInternal(std::vector<uint8_t> &&fileData, std::string const &container);
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~AudioStreamingPartInternal();
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ReadPcmResult readPcm(AudioStreamingPartPersistentDecoder &persistentDecoder, std::vector<int16_t> &outPcm);
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int getDurationInMilliseconds() const;
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std::vector<ChannelUpdate> const &getChannelUpdates() const;
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std::map<std::string, int32_t> getEndpointMapping() const;
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private:
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void fillPcmBuffer(AudioStreamingPartPersistentDecoder &persistentDecoder);
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private:
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AVIOContextImpl _avIoContext;
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AVFormatContext *_inputFormatContext = nullptr;
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AVPacket _packet;
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AVFrame *_frame = nullptr;
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AVCodecParameters *_audioCodecParameters = nullptr;
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bool _didReadToEnd = false;
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int _durationInMilliseconds = 0;
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int _streamId = -1;
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int _channelCount = 0;
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std::vector<ChannelUpdate> _channelUpdates;
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std::map<std::string, int32_t> _endpointMapping;
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std::vector<int16_t> _pcmBuffer;
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int _pcmBufferSampleOffset = 0;
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int _pcmBufferSampleSize = 0;
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int _readSampleCount = 0;
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};
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}
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#endif
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