78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
#ifndef __TX_MPLAYER_H__
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#define __TX_MPLAYER_H__
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#include "basic_include.h"
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#include "lib/multimedia/framebuff.h"
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#ifndef SEEK_SET
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#define SEEK_SET 0
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#endif
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#ifndef SEEK_CUR
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#define SEEK_CUR 1
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#endif
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#ifndef SEEK_END
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#define SEEK_END 2
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#endif
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//编码信息
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struct txmplayer_audio_info {
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//TBD...
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} ;
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struct txmplayer_video_info {
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//TBD...
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} ;
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struct txmplayer_picture_info{
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//TBD...
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} ;
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struct txmplayer_input_ops {
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void (*close)(void *hdl);
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size_t (*read)(void *ptr, size_t size, size_t nmemb, void *hdl);
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int (*seek)(void *hdl, long int offset, int whence);
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int (*eof)(void *hdl);
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};
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//数据源可能是 文件 或 网络流
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//如果是文件，则可以随意执行seek操作，读取数据进行解析
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//如果是网络流，执行seek可能失败，container需要应对seek的失败情况 或 不能seek 的情况
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//open API的参数size=-1 表示不支持seek操作
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typedef struct {
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uint32 type;
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const char *name;
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//初始化cotainer，hdr是 为了识别媒体类型而读取的数据
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//为了避免seek操作，container需要解析并保存 hdr 数据
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void *(*open)(ulong size, void *hdr, uint32 len);
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//关闭container，释放资源
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int32(*close)(void *t);
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//由外部调用，seek到指定的时间位置
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int32(*seek)(void *t, uint32 time);
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//不能阻塞式执行：执行一次只完成一笔数据的解析
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int32(*demux)(void *t, const struct txmplayer_input_ops *ops, void *hdl, void *stream);
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} txmplayer_container;
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#define txm_dbg(fmt, ...) //os_printf("%s:%d::"fmt, __FUNCTION__, __LINE__, ##__VA_ARGS__)
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#define txm_err(fmt, ...) os_printf(KERN_ERR"%s:%d::"fmt, __FUNCTION__, __LINE__, ##__VA_ARGS__)
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#define txm_warn(fmt, ...) os_printf(KERN_WARNING"%s:%d::"fmt, __FUNCTION__, __LINE__, ##__VA_ARGS__)
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int32 txmplayer_init(uint8 stream_max, const txmplayer_container *containers, uint32 container_cnt, uint32 stack_size);
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int32 txmplayer_open(char *file);
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int32 txmplayer_stop(uint8 stream_id);
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int32 txmplayer_pause(uint8 stream_id, uint8 pause);
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int32 txmplayer_seek(uint8 stream_id, uint32 new_time);
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int32 txmplayer_set_speed(uint8 stream_id, MEDIA_PLAY_SPEED speed);
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int32 txmplayer_set_volume(uint8 stream_id, uint8 volume);
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int32 txmplayer_stream_output(void *stream, struct framebuff *fb);
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int32 txmplayer_detect_mtype(const uint8_t *data, uint32_t len);
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#endif
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