mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-01 00:57:28 +08:00
136 lines
3.1 KiB
C++
136 lines
3.1 KiB
C++
/*
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* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
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*
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* This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
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*
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* Use of this source code is governed by MIT license that can be found in the
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* LICENSE file in the root of the source tree. All contributing project authors
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* may be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef ZLMEDIAKIT_MK_TRACK_H
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#define ZLMEDIAKIT_MK_TRACK_H
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#include "mk_common.h"
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#include "mk_frame.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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//音视频轨道
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typedef struct mk_track_t *mk_track;
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//输出frame回调
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typedef void(API_CALL *on_mk_frame_out)(void *user_data, mk_frame frame);
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//track创建参数
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typedef union {
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struct {
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int width;
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int height;
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int fps;
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} video;
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struct {
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int channels;
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int sample_rate;
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} audio;
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} codec_args;
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/**
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* 创建track对象引用
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* @param codec_id 请参考MKCodecXXX 常量定义
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* @param args 视频或音频参数
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* @return track对象引用
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*/
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API_EXPORT mk_track API_CALL mk_track_create(int codec_id, codec_args *args);
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/**
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* 减引用track对象
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* @param track track对象
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*/
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API_EXPORT void API_CALL mk_track_unref(mk_track track);
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/**
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* 引用track对象
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* @param track track对象
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* @return 新的track引用对象
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*/
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API_EXPORT mk_track API_CALL mk_track_ref(mk_track track);
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/**
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* 获取track 编码codec类型，请参考MKCodecXXX定义
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*/
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API_EXPORT int API_CALL mk_track_codec_id(mk_track track);
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/**
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* 获取编码codec名称
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*/
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API_EXPORT const char* API_CALL mk_track_codec_name(mk_track track);
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/**
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* 获取比特率信息
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*/
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API_EXPORT int API_CALL mk_track_bit_rate(mk_track track);
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/**
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* 监听frame输出事件
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* @param track track对象
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* @param cb frame输出回调
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* @param user_data frame输出回调用户指针参数
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*/
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API_EXPORT void *API_CALL mk_track_add_delegate(mk_track track, on_mk_frame_out cb, void *user_data);
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API_EXPORT void *API_CALL mk_track_add_delegate2(mk_track track, on_mk_frame_out cb, void *user_data, on_user_data_free user_data_free);
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/**
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* 取消frame输出事件监听
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* @param track track对象
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* @param tag mk_track_add_delegate返回值
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*/
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API_EXPORT void API_CALL mk_track_del_delegate(mk_track track, void *tag);
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/**
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* 输入frame到track，通常你不需要调用此api
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*/
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API_EXPORT void API_CALL mk_track_input_frame(mk_track track, mk_frame frame);
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/**
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* track是否为视频
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*/
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API_EXPORT int API_CALL mk_track_is_video(mk_track track);
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/**
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* 获取视频宽度
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*/
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API_EXPORT int API_CALL mk_track_video_width(mk_track track);
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/**
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* 获取视频高度
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*/
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API_EXPORT int API_CALL mk_track_video_height(mk_track track);
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/**
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* 获取视频帧率
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*/
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API_EXPORT int API_CALL mk_track_video_fps(mk_track track);
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/**
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* 获取音频采样率
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*/
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API_EXPORT int API_CALL mk_track_audio_sample_rate(mk_track track);
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/**
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* 获取音频通道数
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*/
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API_EXPORT int API_CALL mk_track_audio_channel(mk_track track);
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/**
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* 获取音频位数，一般为16bit
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*/
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API_EXPORT int API_CALL mk_track_audio_sample_bit(mk_track track);
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#ifdef __cplusplus
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}
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#endif
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#endif //ZLMEDIAKIT_MK_TRACK_H
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