ijkplayer笔记

硬解码

IJKVideoToolBoxSync.h

• videotoolbox_sync_decode_frame // 不断循环取AVPacket
• decode_video->decode_video_internal //取到AVPacket后执行硬解码
• VTDecoderCallback
• SortQueuePush ->Ijk_VideoToolBox_Opaque->m_sort_queue(sort_queue)//用于每次获取大pts的帧
• QueuePicture->queue_picture->frame_queue_peek_writable(&is->pictq)->frame_queue_push(&is->pictq); //加入渲染queue

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static int queue_picture(FFPlayer *ffp, AVFrame *src_frame, double pts, double duration, int64_t pos, int serial)