194 lines
5.4 KiB
C++
194 lines
5.4 KiB
C++
#ifndef IJKMEDIAPLAYER_H
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#define IJKMEDIAPLAYER_H
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#include <mutex>
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#include <thread>
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#include <functional>
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#include "ff_ffplay_def.h"
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#include "ff_ffplay.h"
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#include "ffmsg_queue.h"
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/*-
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MPST_CHECK_NOT_RET(mp->mp_state, MP_STATE_IDLE);
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MPST_CHECK_NOT_RET(mp->mp_state, MP_STATE_INITIALIZED);
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MPST_CHECK_NOT_RET(mp->mp_state, MP_STATE_ASYNC_PREPARING);
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MPST_CHECK_NOT_RET(mp->mp_state, MP_STATE_PREPARED);
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MPST_CHECK_NOT_RET(mp->mp_state, MP_STATE_STARTED);
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MPST_CHECK_NOT_RET(mp->mp_state, MP_STATE_PAUSED);
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MPST_CHECK_NOT_RET(mp->mp_state, MP_STATE_COMPLETED);
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MPST_CHECK_NOT_RET(mp->mp_state, MP_STATE_STOPPED);
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MPST_CHECK_NOT_RET(mp->mp_state, MP_STATE_ERROR);
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MPST_CHECK_NOT_RET(mp->mp_state, MP_STATE_END);
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*/
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/*-
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* ijkmp_set_data_source() -> MP_STATE_INITIALIZED
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*
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* ijkmp_reset -> self
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* ijkmp_release -> MP_STATE_END
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*/
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#define MP_STATE_IDLE 0
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/*-
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* ijkmp_prepare_async() -> MP_STATE_ASYNC_PREPARING
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*
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* ijkmp_reset -> MP_STATE_IDLE
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* ijkmp_release -> MP_STATE_END
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*/
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#define MP_STATE_INITIALIZED 1
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/*-
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* ... -> MP_STATE_PREPARED
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* ... -> MP_STATE_ERROR
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*
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* ijkmp_reset -> MP_STATE_IDLE
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* ijkmp_release -> MP_STATE_END
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*/
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#define MP_STATE_ASYNC_PREPARING 2
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/*-
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* ijkmp_seek_to() -> self
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* ijkmp_start() -> MP_STATE_STARTED
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*
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* ijkmp_reset -> MP_STATE_IDLE
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* ijkmp_release -> MP_STATE_END
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*/
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#define MP_STATE_PREPARED 3
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/*-
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* ijkmp_seek_to() -> self
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* ijkmp_start() -> self
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* ijkmp_pause() -> MP_STATE_PAUSED
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* ijkmp_stop() -> MP_STATE_STOPPED
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* ... -> MP_STATE_COMPLETED
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* ... -> MP_STATE_ERROR
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*
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* ijkmp_reset -> MP_STATE_IDLE
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* ijkmp_release -> MP_STATE_END
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*/
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#define MP_STATE_STARTED 4
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/*-
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* ijkmp_seek_to() -> self
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* ijkmp_start() -> MP_STATE_STARTED
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* ijkmp_pause() -> self
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* ijkmp_stop() -> MP_STATE_STOPPED
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*
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* ijkmp_reset -> MP_STATE_IDLE
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* ijkmp_release -> MP_STATE_END
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*/
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#define MP_STATE_PAUSED 5
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/*-
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* ijkmp_seek_to() -> self
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* ijkmp_start() -> MP_STATE_STARTED (from beginning)
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* ijkmp_pause() -> self
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* ijkmp_stop() -> MP_STATE_STOPPED
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*
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* ijkmp_reset -> MP_STATE_IDLE
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* ijkmp_release -> MP_STATE_END
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*/
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#define MP_STATE_COMPLETED 6
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/*-
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* ijkmp_stop() -> self
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* ijkmp_prepare_async() -> MP_STATE_ASYNC_PREPARING
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*
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* ijkmp_reset -> MP_STATE_IDLE
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* ijkmp_release -> MP_STATE_END
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*/
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#define MP_STATE_STOPPED 7
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/*-
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* ijkmp_reset -> MP_STATE_IDLE
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* ijkmp_release -> MP_STATE_END
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*/
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#define MP_STATE_ERROR 8
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/*-
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* ijkmp_release -> self
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*/
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#define MP_STATE_END 9
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#define MP_SEEK_STEP 10 // 快退快进步长10秒
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class IjkMediaPlayer
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{
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public:
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IjkMediaPlayer();
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~IjkMediaPlayer();
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int ijkmp_create(std::function<int(void *)> msg_loop);
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int ijkmp_destroy();
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// 设置要播放的url
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int ijkmp_set_data_source(const char *url);
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// 准备播放
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int ijkmp_prepare_async();
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// 触发播放
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int ijkmp_start();
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// 停止
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int ijkmp_stop();
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// 暂停
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int ijkmp_pause();
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// seek到指定位置
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int ijkmp_seek_to(long msec);
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// 快进
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int ijkmp_forward_to(long incr);
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// 快退
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int ijkmp_back_to(long incr);
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int ijkmp_screenshot(char *file_path);
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// 获取播放状态
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int ijkmp_get_state();
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// 是不是播放中
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bool ijkmp_is_playing();
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// 当前播放位置
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long ijkmp_get_current_position();
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// 总长度
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long ijkmp_get_duration();
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// 已经播放的长度
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long ijkmp_get_playable_duration();
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// 设置循环播放
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void ijkmp_set_loop(int loop);
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// 获取是否循环播放
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int ijkmp_get_loop();
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// 读取消息
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int ijkmp_get_msg(AVMessage *msg, int block);
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// 设置音量
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void ijkmp_set_playback_volume(int volume);
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int ijkmp_msg_loop(void *arg);
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void ijkmp_set_playback_rate(float rate);
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float ijkmp_get_playback_rate();
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void AddVideoRefreshCallback(std::function<int(const Frame *)> callback);
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// 获取状态值
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int64_t ijkmp_get_property_int64(int id, int64_t default_value);
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void ijkmp_change_state_l(int new_state);
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private:
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// 互斥量
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std::mutex mutex_;
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// 真正的播放器
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FFPlayer *ffplayer_ = NULL;
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//函数指针, 指向创建的message_loop，即消息循环函数
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// int (*msg_loop)(void*);
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std::function<int(void *)> msg_loop_ = NULL; // ui处理消息的循环
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//消息机制线程
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std::thread *msg_thread_; // 执行msg_loop
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// SDL_Thread _msg_thread;
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//字符串，就是一个播放url
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char *data_source_;
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//播放器状态，例如prepared,resumed,error,completed等
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int mp_state_; // 播放状态
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int seek_req = 0;
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long seek_msec = 0;
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// 截屏请求
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char *file_path_ = NULL;
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};
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#endif // IJKMEDIAPLAYER_H
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