/* Smoke Codec

 * Copyright (C) <2004> Wim Taymans <wim@fluendo.com>

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public

 * License as published by the Free Software Foundation; either

 * version 2 of the License, or (at your option) any later version.

 *

 * This library is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * Library General Public License for more details.

 *

 * You should have received a copy of the GNU Library General Public

 * License along with this library; if not, write to the

 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

 * Boston, MA 02111-1307, USA.

 */

#ifndef __SMOKECODEC_H__

#define __SMOKECODEC_H__

#ifdef __cplusplus

extern "C" {

#endif /* __cplusplus */

typedef struct _SmokeCodecInfo SmokeCodecInfo;

typedef enum {

  SMOKECODEC_WRONGVERSION       = -5,

  SMOKECODEC_WRONGSIZE          = -4,

  SMOKECODEC_ERROR              = -3,

  SMOKECODEC_NOMEM              = -2,

  SMOKECODEC_NULLPTR            = -1,

  SMOKECODEC_OK                 =  0 

} SmokeCodecResult;

typedef enum {

  SMOKECODEC_KEYFRAME           = (1<<0),

  SMOKECODEC_MOTION_VECTORS     = (1<<1)

} SmokeCodecFlags;

#define SMOKECODEC_ID_STRING "smoke"

typedef enum {

  SMOKECODEC_TYPE_ID            = 0x80,

  SMOKECODEC_TYPE_COMMENT       = 0x81,

  SMOKECODEC_TYPE_EXTRA         = 0x83,

  SMOKECODEC_TYPE_DATA          = 0x40 

} SmokePacketType;

/* init */

int                     smokecodec_encode_new   (SmokeCodecInfo **info,

                                                 const unsigned int width,

                                                 const unsigned int height,

                                                 const unsigned int fps_num,

                                                 const unsigned int fps_denom);

int                     smokecodec_decode_new   (SmokeCodecInfo **info);

int                     smokecodec_info_free    (SmokeCodecInfo * info);

/* config */

SmokeCodecResult        smokecodec_set_quality  (SmokeCodecInfo *info,

                                                 const unsigned int min,

                                                 const unsigned int max);

SmokeCodecResult        smokecodec_get_quality  (SmokeCodecInfo *info,

                                                 unsigned int *min,

                                                 unsigned int *max);

SmokeCodecResult        smokecodec_set_threshold (SmokeCodecInfo *info,

                                                 const unsigned int threshold);

SmokeCodecResult        smokecodec_get_threshold (SmokeCodecInfo *info,

                                                 unsigned int *threshold);

SmokeCodecResult        smokecodec_set_bitrate  (SmokeCodecInfo *info,

                                                 const unsigned int bitrate);

SmokeCodecResult        smokecodec_get_bitrate  (SmokeCodecInfo *info,

                                                 unsigned int *bitrate);

/* encoding */

SmokeCodecResult        smokecodec_encode_id    (SmokeCodecInfo *info,

                                                 unsigned char *out,

                                                 unsigned int *outsize);

SmokeCodecResult        smokecodec_encode       (SmokeCodecInfo *info,

                                                 const unsigned char *in,

                                                 SmokeCodecFlags flags,

                                                 unsigned char *out,

                                                 unsigned int *outsize);

/* decoding */

SmokeCodecResult        smokecodec_parse_id     (SmokeCodecInfo *info,

                                                 const unsigned char *in,

                                                 const unsigned int insize);

SmokeCodecResult        smokecodec_parse_header (SmokeCodecInfo *info,

                                                 const unsigned char *in,

                                                 const unsigned int insize,

                                                 SmokeCodecFlags *flags,

                                                 unsigned int *width,

                                                 unsigned int *height,

                                                 unsigned int *fps_num,

                                                 unsigned int *fps_denom);

SmokeCodecResult        smokecodec_decode       (SmokeCodecInfo *info,

                                                 const unsigned char *in,

                                                 const unsigned int insize,

                                                 unsigned char *out);

#ifdef __cplusplus

}

#endif /* __cplusplus */

#endif /* __SMOKECODEC_H__ */