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codec: Add fields in struct codec_desc to support encoding/decoding 

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
This commit is contained in:
Sylvain Munaut 2010-10-29 11:48:44 +02:00
parent 723df06dff
commit ef7ada56ce
1 changed files with 13 additions and 0 deletions
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13
include/gapk/codecs.h
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@ -20,6 +20,8 @@
#ifndef __GAPK_CODECS_H__
#define __GAPK_CODECS_H__
#include <stdint.h>
enum codec_type {
CODEC_INVALID = 0,
CODEC_PCM, /* 16 bits PCM samples */
@ -29,11 +31,22 @@ enum codec_type {
_CODEC_MAX,
};
#include <gapk/formats.h> /* need to import here because or enum interdep */
typedef int (*codec_conv_cb_t)(void *state, uint8_t *dst, const uint8_t *src);
struct codec_desc {
enum codec_type type;
const char * name;
const char * description;
unsigned int canon_frame_len;
enum format_type codec_enc_format_type; /* what the encoder provides */
enum format_type codec_dec_format_type; /* what to give the decoder */
void * (*codec_init)(void);
void (*codec_exit)(void *state);
codec_conv_cb_t codec_encode;
codec_conv_cb_t codec_decode;
};
const struct codec_desc *codec_get_from_type(enum codec_type type);