1 2 #ifndef __DIRAC_PARSE_H__ 3 #define __DIRAC_PARSE_H__ 4 5 #ifdef __cplusplus 6 extern "C" { 7 #endif 8 9 #ifndef TRUE 10 #define TRUE 1 11 #endif 12 #ifndef FALSE 13 #define FALSE 0 14 #endif 15 16 typedef enum _SchroParseCode { 17 SCHRO_PARSE_CODE_SEQUENCE_HEADER = 0x00, 18 SCHRO_PARSE_CODE_END_OF_SEQUENCE = 0x10, 19 SCHRO_PARSE_CODE_AUXILIARY_DATA = 0x20, 20 SCHRO_PARSE_CODE_PADDING = 0x30, 21 22 SCHRO_PARSE_CODE_INTRA_REF = 0x0c, 23 SCHRO_PARSE_CODE_INTRA_NON_REF = 0x08, 24 SCHRO_PARSE_CODE_INTRA_REF_NOARITH = 0x4c, 25 SCHRO_PARSE_CODE_INTRA_NON_REF_NOARITH = 0x48, 26 27 SCHRO_PARSE_CODE_INTER_REF_1 = 0x0d, 28 SCHRO_PARSE_CODE_INTER_REF_1_NOARITH = 0x4d, 29 SCHRO_PARSE_CODE_INTER_REF_2 = 0x0e, 30 SCHRO_PARSE_CODE_INTER_REF_2_NOARITH = 0x4e, 31 32 SCHRO_PARSE_CODE_INTER_NON_REF_1 = 0x09, 33 SCHRO_PARSE_CODE_INTER_NON_REF_1_NOARITH = 0x49, 34 SCHRO_PARSE_CODE_INTER_NON_REF_2 = 0x0a, 35 SCHRO_PARSE_CODE_INTER_NON_REF_2_NOARITH = 0x4a, 36 37 SCHRO_PARSE_CODE_LD_INTRA_REF = 0xcc, 38 SCHRO_PARSE_CODE_LD_INTRA_NON_REF = 0xc8 39 } SchroParseCode; 40 41 #define SCHRO_PARSE_CODE_PICTURE(is_ref,n_refs,is_lowdelay,is_noarith) \ 42 (8 | ((is_ref)<<2) | (n_refs) | ((is_lowdelay)<<7) | ((is_noarith)<<6)) 43 44 #define SCHRO_PARSE_CODE_IS_SEQ_HEADER(x) ((x) == SCHRO_PARSE_CODE_SEQUENCE_HEADER) 45 #define SCHRO_PARSE_CODE_IS_END_OF_SEQUENCE(x) ((x) == SCHRO_PARSE_CODE_END_OF_SEQUENCE) 46 #define SCHRO_PARSE_CODE_IS_AUXILIARY_DATA(x) ((x) == SCHRO_PARSE_CODE_AUXILIARY_DATA) 47 #define SCHRO_PARSE_CODE_IS_PADDING(x) ((x) == SCHRO_PARSE_CODE_PADDING) 48 #define SCHRO_PARSE_CODE_IS_PICTURE(x) ((x) & 0x8) 49 #define SCHRO_PARSE_CODE_IS_LOW_DELAY(x) (((x) & 0x88) == 0x88) 50 #define SCHRO_PARSE_CODE_IS_CORE_SYNTAX(x) (((x) & 0x88) == 0x08) 51 #define SCHRO_PARSE_CODE_USING_AC(x) (((x) & 0x48) == 0x08) 52 #define SCHRO_PARSE_CODE_IS_REFERENCE(x) (((x) & 0xc) == 0x0c) 53 #define SCHRO_PARSE_CODE_IS_NON_REFERENCE(x) (((x) & 0xc) == 0x08) 54 #define SCHRO_PARSE_CODE_NUM_REFS(x) ((x) & 0x3) 55 #define SCHRO_PARSE_CODE_IS_INTRA(x) (SCHRO_PARSE_CODE_IS_PICTURE(x) && SCHRO_PARSE_CODE_NUM_REFS(x) == 0) 56 #define SCHRO_PARSE_CODE_IS_INTER(x) (SCHRO_PARSE_CODE_IS_PICTURE(x) && SCHRO_PARSE_CODE_NUM_REFS(x) > 0) 57 58 #define SCHRO_PARSE_HEADER_SIZE (4+1+4+4) 59 60 typedef enum _SchroVideoFormatEnum { 61 SCHRO_VIDEO_FORMAT_CUSTOM = 0, 62 SCHRO_VIDEO_FORMAT_QSIF, 63 SCHRO_VIDEO_FORMAT_QCIF, 64 SCHRO_VIDEO_FORMAT_SIF, 65 SCHRO_VIDEO_FORMAT_CIF, 66 SCHRO_VIDEO_FORMAT_4SIF, 67 SCHRO_VIDEO_FORMAT_4CIF, 68 SCHRO_VIDEO_FORMAT_SD480I_60, 69 SCHRO_VIDEO_FORMAT_SD576I_50, 70 SCHRO_VIDEO_FORMAT_HD720P_60, 71 SCHRO_VIDEO_FORMAT_HD720P_50, 72 SCHRO_VIDEO_FORMAT_HD1080I_60, 73 SCHRO_VIDEO_FORMAT_HD1080I_50, 74 SCHRO_VIDEO_FORMAT_HD1080P_60, 75 SCHRO_VIDEO_FORMAT_HD1080P_50, 76 SCHRO_VIDEO_FORMAT_DC2K_24, 77 SCHRO_VIDEO_FORMAT_DC4K_24 78 } SchroVideoFormatEnum; 79 80 typedef enum _SchroChromaFormat { 81 SCHRO_CHROMA_444 = 0, 82 SCHRO_CHROMA_422, 83 SCHRO_CHROMA_420 84 } SchroChromaFormat; 85 86 #define SCHRO_CHROMA_FORMAT_H_SHIFT(format) (((format) == SCHRO_CHROMA_444)?0:1) 87 #define SCHRO_CHROMA_FORMAT_V_SHIFT(format) (((format) == SCHRO_CHROMA_420)?1:0) 88 89 typedef enum _SchroSignalRange { 90 SCHRO_SIGNAL_RANGE_CUSTOM = 0, 91 SCHRO_SIGNAL_RANGE_8BIT_FULL = 1, 92 SCHRO_SIGNAL_RANGE_8BIT_VIDEO = 2, 93 SCHRO_SIGNAL_RANGE_10BIT_VIDEO = 3, 94 SCHRO_SIGNAL_RANGE_12BIT_VIDEO = 4 95 } SchroSignalRange; 96 97 typedef enum _SchroColourSpec { 98 SCHRO_COLOUR_SPEC_CUSTOM = 0, 99 SCHRO_COLOUR_SPEC_SDTV_525 = 1, 100 SCHRO_COLOUR_SPEC_SDTV_625 = 2, 101 SCHRO_COLOUR_SPEC_HDTV = 3, 102 SCHRO_COLOUR_SPEC_CINEMA = 4 103 } SchroColourSpec; 104 105 typedef enum _SchroColourPrimaries { 106 SCHRO_COLOUR_PRIMARY_HDTV = 0, 107 SCHRO_COLOUR_PRIMARY_SDTV_525 = 1, 108 SCHRO_COLOUR_PRIMARY_SDTV_625 = 2, 109 SCHRO_COLOUR_PRIMARY_CINEMA = 3 110 } SchroColourPrimaries; 111 112 typedef enum _SchroColourMatrix { 113 SCHRO_COLOUR_MATRIX_HDTV = 0, 114 SCHRO_COLOUR_MATRIX_SDTV = 1, 115 SCHRO_COLOUR_MATRIX_REVERSIBLE = 2 116 }SchroColourMatrix; 117 118 typedef enum _SchroTransferFunction { 119 SCHRO_TRANSFER_CHAR_TV_GAMMA = 0, 120 SCHRO_TRANSFER_CHAR_EXTENDED_GAMUT = 1, 121 SCHRO_TRANSFER_CHAR_LINEAR = 2, 122 SCHRO_TRANSFER_CHAR_DCI_GAMMA = 3 123 } SchroTransferFunction; 124 125 126 127 typedef struct _DiracSequenceHeader DiracSequenceHeader; 128 129 struct _DiracSequenceHeader { 130 int major_version; 131 int minor_version; 132 int profile; 133 int level; 134 135 int index; 136 int width; 137 int height; 138 int chroma_format; 139 140 int interlaced; 141 int top_field_first; 142 143 int frame_rate_numerator; 144 int frame_rate_denominator; 145 int aspect_ratio_numerator; 146 int aspect_ratio_denominator; 147 148 int clean_width; 149 int clean_height; 150 int left_offset; 151 int top_offset; 152 153 int luma_offset; 154 int luma_excursion; 155 int chroma_offset; 156 int chroma_excursion; 157 158 int colour_primaries; 159 int colour_matrix; 160 int transfer_function; 161 162 int interlaced_coding; 163 164 int unused0; 165 int unused1; 166 int unused2; 167 }; 168 169 170 int dirac_sequence_header_parse (DiracSequenceHeader *header, 171 unsigned char *data, int length); 172 173 #ifdef __cplusplus 174 } 175 #endif 176 177 #endif 178 179