mp4_read.h.svn-base

psp播放器PPA源码,在MSYS/CYGWIN环境下编译（GNU-C）

#ifndef __MP4_READ_H__
#define __MP4_READ_H__


#include <string.h>
#include <pspiofilemgr.h>
#include "mp4_file.h"
#include "common/mem64.h"

#define MAXIMUM_SAMPLES_PER_TRUNK 128

struct mp4_asynchronous_buffer {
	unsigned int  first_sample;
	unsigned int  last_sample;
	unsigned int  trunk_size;
	unsigned int  trunk_position;
	unsigned int  trunk_index;
	unsigned int  next_trunk_index;
	void         *buffer;
	void         *sample_buffer[MAXIMUM_SAMPLES_PER_TRUNK];
};


struct mp4_read_struct {
	struct mp4_file_struct file;
	
	SceUID video_handle;
	SceUID audio_handle;
	
	int current_audio_track;
	
	void         *video_buffer_0;
	void         *video_buffer_1;
	void         *audio_buffer_0;
	void         *audio_buffer_1;
	
	
	struct mp4_asynchronous_buffer video_asynchronous_buffer_0;
	struct mp4_asynchronous_buffer video_asynchronous_buffer_1;
	struct mp4_asynchronous_buffer audio_asynchronous_buffer_0;
	struct mp4_asynchronous_buffer audio_asynchronous_buffer_1;

	struct mp4_asynchronous_buffer *video_current_asynchronous_buffer;
	struct mp4_asynchronous_buffer *video_next_asynchronous_buffer;
	struct mp4_asynchronous_buffer *audio_current_asynchronous_buffer;
	struct mp4_asynchronous_buffer *audio_next_asynchronous_buffer;
};


struct mp4_read_output_struct {
	
	unsigned int  size;
	void* data;
	
};


void mp4_read_safe_constructor(struct mp4_read_struct *p);
void mp4_read_close(struct mp4_read_struct *p);
char *mp4_read_open(struct mp4_read_struct *p, char *s);
char *mp4_read_get_video(struct mp4_read_struct *p, unsigned int packet, struct mp4_read_output_struct *output);
char *mp4_read_get_audio(struct mp4_read_struct *p, unsigned int packet, unsigned int audio_stream, struct mp4_read_output_struct *output);

#endif