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117 lines
4.8 KiB
C
117 lines
4.8 KiB
C
/* Smoke Codec
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* Copyright (C) <2004> Wim Taymans <wim@fluendo.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __SMOKECODEC_H__
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#define __SMOKECODEC_H__
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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typedef struct _SmokeCodecInfo SmokeCodecInfo;
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typedef enum {
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SMOKECODEC_WRONGVERSION = -5,
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SMOKECODEC_WRONGSIZE = -4,
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SMOKECODEC_ERROR = -3,
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SMOKECODEC_NOMEM = -2,
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SMOKECODEC_NULLPTR = -1,
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SMOKECODEC_OK = 0
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} SmokeCodecResult;
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typedef enum {
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SMOKECODEC_KEYFRAME = (1<<0),
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SMOKECODEC_MOTION_VECTORS = (1<<1)
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} SmokeCodecFlags;
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#define SMOKECODEC_ID_STRING "smoke"
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typedef enum {
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SMOKECODEC_TYPE_ID = 0x80,
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SMOKECODEC_TYPE_COMMENT = 0x81,
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SMOKECODEC_TYPE_EXTRA = 0x83,
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SMOKECODEC_TYPE_DATA = 0x40
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} SmokePacketType;
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/* init */
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int smokecodec_encode_new (SmokeCodecInfo **info,
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const unsigned int width,
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const unsigned int height,
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const unsigned int fps_num,
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const unsigned int fps_denom);
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int smokecodec_decode_new (SmokeCodecInfo **info);
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/* config */
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SmokeCodecResult smokecodec_set_quality (SmokeCodecInfo *info,
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const unsigned int min,
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const unsigned int max);
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SmokeCodecResult smokecodec_get_quality (SmokeCodecInfo *info,
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unsigned int *min,
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unsigned int *max);
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SmokeCodecResult smokecodec_set_threshold (SmokeCodecInfo *info,
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const unsigned int threshold);
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SmokeCodecResult smokecodec_get_threshold (SmokeCodecInfo *info,
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unsigned int *threshold);
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SmokeCodecResult smokecodec_set_bitrate (SmokeCodecInfo *info,
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const unsigned int bitrate);
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SmokeCodecResult smokecodec_get_bitrate (SmokeCodecInfo *info,
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unsigned int *bitrate);
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/* encoding */
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SmokeCodecResult smokecodec_encode_id (SmokeCodecInfo *info,
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unsigned char *out,
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unsigned int *outsize);
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SmokeCodecResult smokecodec_encode (SmokeCodecInfo *info,
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const unsigned char *in,
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SmokeCodecFlags flags,
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unsigned char *out,
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unsigned int *outsize);
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/* decoding */
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SmokeCodecResult smokecodec_parse_id (SmokeCodecInfo *info,
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const unsigned char *in,
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const unsigned int insize);
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SmokeCodecResult smokecodec_parse_header (SmokeCodecInfo *info,
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const unsigned char *in,
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const unsigned int insize,
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SmokeCodecFlags *flags,
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unsigned int *width,
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unsigned int *height,
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unsigned int *fps_num,
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unsigned int *fps_denom);
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SmokeCodecResult smokecodec_decode (SmokeCodecInfo *info,
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const unsigned char *in,
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const unsigned int insize,
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unsigned char *out);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __SMOKECODEC_H__ */
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