mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-25 12:11:36 +08:00
124 lines
3.4 KiB
C++
124 lines
3.4 KiB
C++
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/*
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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_FRAME_H
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#define ZLMEDIAKIT_MK_FRAME_H
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#include "mk_common.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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//是否为关键帧
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#define MK_FRAME_FLAG_IS_KEY (1 << 0)
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//是否为配置帧(sps/pps/vps等)
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#define MK_FRAME_FLAG_IS_CONFIG (1 << 1)
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//是否可丢弃的帧(sei/aud)
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#define MK_FRAME_FLAG_DROP_ABLE (1 << 2)
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//是否不可单独解码的帧(多slice的非vcl帧)
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#define MK_FRAME_FLAG_NOT_DECODE_ABLE (1 << 3)
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//codec id常量定义
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API_EXPORT extern const int MKCodecH264;
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API_EXPORT extern const int MKCodecH265;
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API_EXPORT extern const int MKCodecAAC;
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API_EXPORT extern const int MKCodecG711A;
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API_EXPORT extern const int MKCodecG711U;
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API_EXPORT extern const int MKCodecOpus;
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API_EXPORT extern const int MKCodecL16;
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API_EXPORT extern const int MKCodecVP8;
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API_EXPORT extern const int MKCodecVP9;
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API_EXPORT extern const int MKCodecAV1;
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API_EXPORT extern const int MKCodecJPEG;
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typedef void *mk_frame;
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// 用户自定义free回调函数
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typedef void(API_CALL *on_mk_frame_data_release)(void *user_data, char *ptr);
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/**
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* 创建frame对象，并返回其引用
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* @param codec_id 编解码类型，请参考MKCodecXXX定义
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* @param dts 解码时间戳，单位毫秒
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* @param pts 显示时间戳，单位毫秒
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* @param data 单帧数据
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* @param size 单帧数据长度
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* @param cb data指针free释放回调, 如果为空，内部会拷贝数据
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* @param user_data data指针free释放回调用户指针
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* @return frame对象引用
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*/
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API_EXPORT mk_frame API_CALL mk_frame_create(int codec_id, uint32_t dts, uint32_t pts, const char *data, size_t size,
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on_mk_frame_data_release cb, void *user_data);
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/**
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* 减引用frame对象
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* @param frame 帧对象引用
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*/
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API_EXPORT void API_CALL mk_frame_unref(mk_frame frame);
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/**
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* 引用frame对象
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* @param frame 被引用的frame对象
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* @return 新的对象引用
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*/
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API_EXPORT mk_frame API_CALL mk_frame_ref(mk_frame frame);
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/**
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* 获取frame 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_frame_codec_id(mk_frame frame);
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/**
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* 获取帧编码codec名称
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*/
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API_EXPORT const char* API_CALL mk_frame_codec_name(mk_frame frame);
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/**
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* 帧是否为视频
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*/
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API_EXPORT int API_CALL mk_frame_is_video(mk_frame frame);
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/**
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* 获取帧数据指针
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*/
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API_EXPORT const char* API_CALL mk_frame_get_data(mk_frame frame);
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/**
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* 获取帧数据指针长度
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*/
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API_EXPORT size_t API_CALL mk_frame_get_data_size(mk_frame frame);
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/**
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* 返回帧数据前缀长度，譬如H264/H265前缀一般是0x00 00 00 01,那么本函数返回4
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*/
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API_EXPORT size_t API_CALL mk_frame_get_data_prefix_size(mk_frame frame);
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/**
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* 获取解码时间戳，单位毫秒
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*/
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API_EXPORT uint32_t API_CALL mk_frame_get_dts(mk_frame frame);
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/**
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* 获取显示时间戳，单位毫秒
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*/
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API_EXPORT uint32_t API_CALL mk_frame_get_pts(mk_frame frame);
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/**
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* 获取帧flag，请参考 MK_FRAME_FLAG
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*/
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API_EXPORT uint32_t API_CALL mk_frame_get_flags(mk_frame frame);
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#ifdef __cplusplus
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}
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#endif
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#endif //ZLMEDIAKIT_MK_FRAME_H
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