format.h 1.29 KB
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/* format.h
**
** format plugin header
**
*/
#ifndef __FORMAT_H__
#define __FORMAT_H__

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#include "client.h"
#include "refbuf.h"

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typedef enum _format_type_tag
{
	FORMAT_TYPE_VORBIS,
	FORMAT_TYPE_MP3
} format_type_t;

typedef struct _format_plugin_tag
{
	format_type_t type;

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	/* we need to know the mount to report statistics */
	char *mount;

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    char *format_description;

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	/* set this is the data format has a header that
	** we must send before regular data
	*/
	int has_predata;

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    int (*get_buffer)(struct _format_plugin_tag *self, char *data, unsigned long
            len, refbuf_t **buffer);
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	refbuf_queue_t *(*get_predata)(struct _format_plugin_tag *self);
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    int (*write_buf_to_client)(struct _format_plugin_tag *format, 
            client_t *client, unsigned char *buf, int len);
    void *(*create_client_data)(struct _format_plugin_tag *format);

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	void (*free_plugin)(struct _format_plugin_tag *self);
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	/* for internal state management */
	void *_state;
} format_plugin_t;

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format_type_t format_get_type(char *contenttype);
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char *format_get_mimetype(format_type_t type);
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format_plugin_t *format_get_plugin(format_type_t type, char *mount);
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int format_generic_write_buf_to_client(format_plugin_t *format, 
        client_t *client, unsigned char *buf, int len);

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#endif  /* __FORMAT_H__ */