/* * Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved. * * This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit). * * Use of this source code is governed by MIT license that can be found in the * LICENSE file in the root of the source tree. All contributing project authors * may be found in the AUTHORS file in the root of the source tree. */ #ifndef ZLMEDIAKIT_MK_FRAME_H #define ZLMEDIAKIT_MK_FRAME_H #include "mk_common.h" #ifdef __cplusplus extern "C" { #endif //是否为关键帧 #define MK_FRAME_FLAG_IS_KEY (1 << 0) //是否为配置帧(sps/pps/vps等) #define MK_FRAME_FLAG_IS_CONFIG (1 << 1) //是否可丢弃的帧(sei/aud) #define MK_FRAME_FLAG_DROP_ABLE (1 << 2) //是否不可单独解码的帧(多slice的非vcl帧) #define MK_FRAME_FLAG_NOT_DECODE_ABLE (1 << 3) //codec id常量定义 API_EXPORT extern const int MKCodecH264; API_EXPORT extern const int MKCodecH265; API_EXPORT extern const int MKCodecAAC; API_EXPORT extern const int MKCodecG711A; API_EXPORT extern const int MKCodecG711U; API_EXPORT extern const int MKCodecOpus; API_EXPORT extern const int MKCodecL16; API_EXPORT extern const int MKCodecVP8; API_EXPORT extern const int MKCodecVP9; API_EXPORT extern const int MKCodecAV1; API_EXPORT extern const int MKCodecJPEG; typedef void *mk_frame; // 用户自定义free回调函数 typedef void(API_CALL *on_mk_frame_data_release)(void *user_data, char *ptr); /** * 创建frame对象,并返回其引用 * @param codec_id 编解码类型,请参考MKCodecXXX定义 * @param dts 解码时间戳,单位毫秒 * @param pts 显示时间戳,单位毫秒 * @param data 单帧数据 * @param size 单帧数据长度 * @param cb data指针free释放回调, 如果为空,内部会拷贝数据 * @param user_data data指针free释放回调用户指针 * @return frame对象引用 */ API_EXPORT mk_frame API_CALL mk_frame_create(int codec_id, uint32_t dts, uint32_t pts, const char *data, size_t size, on_mk_frame_data_release cb, void *user_data); /** * 减引用frame对象 * @param frame 帧对象引用 */ API_EXPORT void API_CALL mk_frame_unref(mk_frame frame); /** * 引用frame对象 * @param frame 被引用的frame对象 * @return 新的对象引用 */ API_EXPORT mk_frame API_CALL mk_frame_ref(mk_frame frame); /** * 获取frame 编码codec类型,请参考MKCodecXXX定义 */ API_EXPORT int API_CALL mk_frame_codec_id(mk_frame frame); /** * 获取帧编码codec名称 */ API_EXPORT const char* API_CALL mk_frame_codec_name(mk_frame frame); /** * 帧是否为视频 */ API_EXPORT int API_CALL mk_frame_is_video(mk_frame frame); /** * 获取帧数据指针 */ API_EXPORT const char* API_CALL mk_frame_get_data(mk_frame frame); /** * 获取帧数据指针长度 */ API_EXPORT size_t API_CALL mk_frame_get_data_size(mk_frame frame); /** * 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 */ API_EXPORT size_t API_CALL mk_frame_get_data_prefix_size(mk_frame frame); /** * 获取解码时间戳,单位毫秒 */ API_EXPORT uint32_t API_CALL mk_frame_get_dts(mk_frame frame); /** * 获取显示时间戳,单位毫秒 */ API_EXPORT uint32_t API_CALL mk_frame_get_pts(mk_frame frame); /** * 获取帧flag,请参考 MK_FRAME_FLAG */ API_EXPORT uint32_t API_CALL mk_frame_get_flags(mk_frame frame); #ifdef __cplusplus } #endif #endif //ZLMEDIAKIT_MK_FRAME_H