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Audio播放逻辑

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JIe Jie
2024-02-23 16:24:42 +08:00
parent 5e794cf825
commit f005b19ee4
8 changed files with 206 additions and 36 deletions
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9
include/audioDecoder.h
View File

@@ -0,0 +1,9 @@
#ifndef AUDIODECODER_H
#define AUDIODECODER_H
#include <decodeParam.h>
int RequestAudioFrame(AudioParam& param, uint8_t* audioBuffer, int bufSize);
void audioCallback(void* userdata, uint8_t* stream, int len);
void RequestAudioPacket(MediaParam& param);
#endif

22
include/decodeParam.h
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@@ -1,5 +1,17 @@
#ifndef DECODEPARAM_H
#define DECODEPARAM_H
extern "C" {
#include "libavcodec/avcodec.h"
#include "libavformat/avformat.h"
#include "libavutil/imgutils.h"
}
#include <queue>
#include <condition_variable>
#include <mutex>
#include <chrono>
using namespace std::literals::chrono_literals;
template<typename T>
requires std::is_same_v<T, AVPacket> || std::is_same_v<T, AVFrame>
struct MediaQueue
@@ -83,7 +95,6 @@ struct VideoParam
{
MediaQueue<AVPacket> packetQueue;
MediaQueue<AVFrame> frameQueue;
AVFormatContext* fmtCtx;
AVCodecContext* codecCtx;
int width;
int height;
@@ -98,13 +109,13 @@ struct VideoParam
struct AudioParam
{
MediaQueue<AVPacket> packetQueue;
MediaQueue<AVFrame> frameQueue;
AVFormatContext* fmtCtx;
AVCodecContext* codecCtx;
int audioStreamIndex;
static constexpr int MAX_BUFFER_SIZE = 192000;
uint8_t* buffer = new uint8_t[MAX_BUFFER_SIZE];
uint32_t bufferSize = 0;
uint32_t bufferIndex = 0;
bool eof = false;
bool pause = false;
bool quit = false;
};
@@ -113,5 +124,6 @@ struct MediaParam
{
VideoParam videoParam;
AudioParam audioParam;
AVFormatContext* fmtCtx;
};
#endif

12
include/mediaDecoder.h
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@@ -1,17 +1,9 @@
#ifndef DECODER_H
#define DECODER_H
extern "C" {
#include "libavcodec/avcodec.h"
#include "libavformat/avformat.h"
#include "libavutil/imgutils.h"
}
#include <queue>
#include <condition_variable>
#include <mutex>
#include "decodeParam.h"
void InitDecoder(const char* filepath, VideoParam& param);
void RequestPacket(MediaParam& param);
void InitDecoder(const char* filepath, MediaParam& param);
void RequestVideoPacket(MediaParam& param);
void RequestVideoFrame(MediaParam& param);
#endif

4
include/util.h
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@@ -8,7 +8,7 @@
#include <cstring>
#include <string_view>
enum class FileType {
MUSIC,
AUDIO,
VIDEO,
IMG,
ERRORTYPE
@@ -64,7 +64,7 @@ private:
}
public:
static FileType GetFileType(const path& filepath) {
if (IsMusic(filepath)) return FileType::MUSIC;
if (IsMusic(filepath)) return FileType::AUDIO;
if (IsVideo(filepath)) return FileType::VIDEO;
if (IsImg(filepath)) return FileType::IMG;
return FileType::ERRORTYPE;