1 /* Smoke Codec |
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2 * Copyright (C) <2004> Wim Taymans <wim@fluendo.com> |
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3 * |
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4 * This library is free software; you can redistribute it and/or |
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5 * modify it under the terms of the GNU Library General Public |
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6 * License as published by the Free Software Foundation; either |
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7 * version 2 of the License, or (at your option) any later version. |
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8 * |
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9 * This library is distributed in the hope that it will be useful, |
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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12 * Library General Public License for more details. |
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13 * |
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14 * You should have received a copy of the GNU Library General Public |
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15 * License along with this library; if not, write to the |
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16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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17 * Boston, MA 02111-1307, USA. |
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18 */ |
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19 |
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20 |
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21 #ifndef __SMOKECODEC_H__ |
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22 #define __SMOKECODEC_H__ |
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23 |
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24 |
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25 #ifdef __cplusplus |
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26 extern "C" { |
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27 #endif /* __cplusplus */ |
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28 |
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29 |
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30 typedef struct _SmokeCodecInfo SmokeCodecInfo; |
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31 |
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32 typedef enum { |
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33 SMOKECODEC_WRONGVERSION = -5, |
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34 SMOKECODEC_WRONGSIZE = -4, |
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35 SMOKECODEC_ERROR = -3, |
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36 SMOKECODEC_NOMEM = -2, |
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37 SMOKECODEC_NULLPTR = -1, |
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38 SMOKECODEC_OK = 0 |
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39 } SmokeCodecResult; |
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40 |
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41 typedef enum { |
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42 SMOKECODEC_KEYFRAME = (1<<0), |
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43 SMOKECODEC_MOTION_VECTORS = (1<<1) |
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44 } SmokeCodecFlags; |
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45 |
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46 #define SMOKECODEC_ID_STRING "smoke" |
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47 |
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48 typedef enum { |
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49 SMOKECODEC_TYPE_ID = 0x80, |
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50 SMOKECODEC_TYPE_COMMENT = 0x81, |
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51 SMOKECODEC_TYPE_EXTRA = 0x83, |
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52 SMOKECODEC_TYPE_DATA = 0x40 |
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53 } SmokePacketType; |
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54 |
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55 /* init */ |
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56 int smokecodec_encode_new (SmokeCodecInfo **info, |
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57 const unsigned int width, |
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58 const unsigned int height, |
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59 const unsigned int fps_num, |
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60 const unsigned int fps_denom); |
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61 |
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62 int smokecodec_decode_new (SmokeCodecInfo **info); |
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63 |
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64 int smokecodec_info_free (SmokeCodecInfo * info); |
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65 |
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66 /* config */ |
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67 SmokeCodecResult smokecodec_set_quality (SmokeCodecInfo *info, |
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68 const unsigned int min, |
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69 const unsigned int max); |
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70 SmokeCodecResult smokecodec_get_quality (SmokeCodecInfo *info, |
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71 unsigned int *min, |
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72 unsigned int *max); |
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73 |
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74 SmokeCodecResult smokecodec_set_threshold (SmokeCodecInfo *info, |
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75 const unsigned int threshold); |
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76 SmokeCodecResult smokecodec_get_threshold (SmokeCodecInfo *info, |
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77 unsigned int *threshold); |
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78 |
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79 SmokeCodecResult smokecodec_set_bitrate (SmokeCodecInfo *info, |
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80 const unsigned int bitrate); |
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81 SmokeCodecResult smokecodec_get_bitrate (SmokeCodecInfo *info, |
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82 unsigned int *bitrate); |
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83 |
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84 /* encoding */ |
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85 SmokeCodecResult smokecodec_encode_id (SmokeCodecInfo *info, |
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86 unsigned char *out, |
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87 unsigned int *outsize); |
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88 |
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89 SmokeCodecResult smokecodec_encode (SmokeCodecInfo *info, |
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90 const unsigned char *in, |
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91 SmokeCodecFlags flags, |
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92 unsigned char *out, |
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93 unsigned int *outsize); |
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94 |
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95 /* decoding */ |
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96 SmokeCodecResult smokecodec_parse_id (SmokeCodecInfo *info, |
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97 const unsigned char *in, |
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98 const unsigned int insize); |
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99 |
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100 SmokeCodecResult smokecodec_parse_header (SmokeCodecInfo *info, |
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101 const unsigned char *in, |
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102 const unsigned int insize, |
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103 SmokeCodecFlags *flags, |
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104 unsigned int *width, |
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105 unsigned int *height, |
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106 unsigned int *fps_num, |
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107 unsigned int *fps_denom); |
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108 |
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109 SmokeCodecResult smokecodec_decode (SmokeCodecInfo *info, |
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110 const unsigned char *in, |
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111 const unsigned int insize, |
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112 unsigned char *out); |
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113 |
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114 #ifdef __cplusplus |
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115 } |
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116 #endif /* __cplusplus */ |
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117 |
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118 |
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119 #endif /* __SMOKECODEC_H__ */ |
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