mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-08 15:45:55 +00:00
72edd1467b
Adds code that parses headers of various formats encapsulated in Ogg in order to calculate timestamps and durations of each buffer. Removes the creation of helper decoder elements to do this calculation via conversion queries. Fixes: #344013, #568014.
179 lines
4.8 KiB
C
179 lines
4.8 KiB
C
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#ifndef __DIRAC_PARSE_H__
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#define __DIRAC_PARSE_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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typedef enum _SchroParseCode {
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SCHRO_PARSE_CODE_SEQUENCE_HEADER = 0x00,
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SCHRO_PARSE_CODE_END_OF_SEQUENCE = 0x10,
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SCHRO_PARSE_CODE_AUXILIARY_DATA = 0x20,
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SCHRO_PARSE_CODE_PADDING = 0x30,
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SCHRO_PARSE_CODE_INTRA_REF = 0x0c,
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SCHRO_PARSE_CODE_INTRA_NON_REF = 0x08,
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SCHRO_PARSE_CODE_INTRA_REF_NOARITH = 0x4c,
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SCHRO_PARSE_CODE_INTRA_NON_REF_NOARITH = 0x48,
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SCHRO_PARSE_CODE_INTER_REF_1 = 0x0d,
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SCHRO_PARSE_CODE_INTER_REF_1_NOARITH = 0x4d,
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SCHRO_PARSE_CODE_INTER_REF_2 = 0x0e,
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SCHRO_PARSE_CODE_INTER_REF_2_NOARITH = 0x4e,
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SCHRO_PARSE_CODE_INTER_NON_REF_1 = 0x09,
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SCHRO_PARSE_CODE_INTER_NON_REF_1_NOARITH = 0x49,
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SCHRO_PARSE_CODE_INTER_NON_REF_2 = 0x0a,
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SCHRO_PARSE_CODE_INTER_NON_REF_2_NOARITH = 0x4a,
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SCHRO_PARSE_CODE_LD_INTRA_REF = 0xcc,
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SCHRO_PARSE_CODE_LD_INTRA_NON_REF = 0xc8
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} SchroParseCode;
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#define SCHRO_PARSE_CODE_PICTURE(is_ref,n_refs,is_lowdelay,is_noarith) \
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(8 | ((is_ref)<<2) | (n_refs) | ((is_lowdelay)<<7) | ((is_noarith)<<6))
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#define SCHRO_PARSE_CODE_IS_SEQ_HEADER(x) ((x) == SCHRO_PARSE_CODE_SEQUENCE_HEADER)
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#define SCHRO_PARSE_CODE_IS_END_OF_SEQUENCE(x) ((x) == SCHRO_PARSE_CODE_END_OF_SEQUENCE)
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#define SCHRO_PARSE_CODE_IS_AUXILIARY_DATA(x) ((x) == SCHRO_PARSE_CODE_AUXILIARY_DATA)
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#define SCHRO_PARSE_CODE_IS_PADDING(x) ((x) == SCHRO_PARSE_CODE_PADDING)
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#define SCHRO_PARSE_CODE_IS_PICTURE(x) ((x) & 0x8)
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#define SCHRO_PARSE_CODE_IS_LOW_DELAY(x) (((x) & 0x88) == 0x88)
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#define SCHRO_PARSE_CODE_IS_CORE_SYNTAX(x) (((x) & 0x88) == 0x08)
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#define SCHRO_PARSE_CODE_USING_AC(x) (((x) & 0x48) == 0x08)
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#define SCHRO_PARSE_CODE_IS_REFERENCE(x) (((x) & 0xc) == 0x0c)
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#define SCHRO_PARSE_CODE_IS_NON_REFERENCE(x) (((x) & 0xc) == 0x08)
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#define SCHRO_PARSE_CODE_NUM_REFS(x) ((x) & 0x3)
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#define SCHRO_PARSE_CODE_IS_INTRA(x) (SCHRO_PARSE_CODE_IS_PICTURE(x) && SCHRO_PARSE_CODE_NUM_REFS(x) == 0)
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#define SCHRO_PARSE_CODE_IS_INTER(x) (SCHRO_PARSE_CODE_IS_PICTURE(x) && SCHRO_PARSE_CODE_NUM_REFS(x) > 0)
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#define SCHRO_PARSE_HEADER_SIZE (4+1+4+4)
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typedef enum _SchroVideoFormatEnum {
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SCHRO_VIDEO_FORMAT_CUSTOM = 0,
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SCHRO_VIDEO_FORMAT_QSIF,
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SCHRO_VIDEO_FORMAT_QCIF,
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SCHRO_VIDEO_FORMAT_SIF,
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SCHRO_VIDEO_FORMAT_CIF,
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SCHRO_VIDEO_FORMAT_4SIF,
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SCHRO_VIDEO_FORMAT_4CIF,
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SCHRO_VIDEO_FORMAT_SD480I_60,
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SCHRO_VIDEO_FORMAT_SD576I_50,
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SCHRO_VIDEO_FORMAT_HD720P_60,
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SCHRO_VIDEO_FORMAT_HD720P_50,
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SCHRO_VIDEO_FORMAT_HD1080I_60,
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SCHRO_VIDEO_FORMAT_HD1080I_50,
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SCHRO_VIDEO_FORMAT_HD1080P_60,
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SCHRO_VIDEO_FORMAT_HD1080P_50,
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SCHRO_VIDEO_FORMAT_DC2K_24,
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SCHRO_VIDEO_FORMAT_DC4K_24
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} SchroVideoFormatEnum;
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typedef enum _SchroChromaFormat {
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SCHRO_CHROMA_444 = 0,
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SCHRO_CHROMA_422,
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SCHRO_CHROMA_420
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} SchroChromaFormat;
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#define SCHRO_CHROMA_FORMAT_H_SHIFT(format) (((format) == SCHRO_CHROMA_444)?0:1)
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#define SCHRO_CHROMA_FORMAT_V_SHIFT(format) (((format) == SCHRO_CHROMA_420)?1:0)
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typedef enum _SchroSignalRange {
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SCHRO_SIGNAL_RANGE_CUSTOM = 0,
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SCHRO_SIGNAL_RANGE_8BIT_FULL = 1,
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SCHRO_SIGNAL_RANGE_8BIT_VIDEO = 2,
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SCHRO_SIGNAL_RANGE_10BIT_VIDEO = 3,
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SCHRO_SIGNAL_RANGE_12BIT_VIDEO = 4
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} SchroSignalRange;
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typedef enum _SchroColourSpec {
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SCHRO_COLOUR_SPEC_CUSTOM = 0,
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SCHRO_COLOUR_SPEC_SDTV_525 = 1,
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SCHRO_COLOUR_SPEC_SDTV_625 = 2,
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SCHRO_COLOUR_SPEC_HDTV = 3,
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SCHRO_COLOUR_SPEC_CINEMA = 4
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} SchroColourSpec;
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typedef enum _SchroColourPrimaries {
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SCHRO_COLOUR_PRIMARY_HDTV = 0,
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SCHRO_COLOUR_PRIMARY_SDTV_525 = 1,
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SCHRO_COLOUR_PRIMARY_SDTV_625 = 2,
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SCHRO_COLOUR_PRIMARY_CINEMA = 3
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} SchroColourPrimaries;
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typedef enum _SchroColourMatrix {
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SCHRO_COLOUR_MATRIX_HDTV = 0,
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SCHRO_COLOUR_MATRIX_SDTV = 1,
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SCHRO_COLOUR_MATRIX_REVERSIBLE = 2
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}SchroColourMatrix;
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typedef enum _SchroTransferFunction {
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SCHRO_TRANSFER_CHAR_TV_GAMMA = 0,
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SCHRO_TRANSFER_CHAR_EXTENDED_GAMUT = 1,
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SCHRO_TRANSFER_CHAR_LINEAR = 2,
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SCHRO_TRANSFER_CHAR_DCI_GAMMA = 3
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} SchroTransferFunction;
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typedef struct _DiracSequenceHeader DiracSequenceHeader;
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struct _DiracSequenceHeader {
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int major_version;
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int minor_version;
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int profile;
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int level;
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int index;
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int width;
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int height;
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int chroma_format;
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int interlaced;
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int top_field_first;
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int frame_rate_numerator;
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int frame_rate_denominator;
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int aspect_ratio_numerator;
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int aspect_ratio_denominator;
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int clean_width;
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int clean_height;
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int left_offset;
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int top_offset;
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int luma_offset;
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int luma_excursion;
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int chroma_offset;
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int chroma_excursion;
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int colour_primaries;
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int colour_matrix;
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int transfer_function;
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int interlaced_coding;
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int unused0;
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int unused1;
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int unused2;
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};
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int dirac_sequence_header_parse (DiracSequenceHeader *header,
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unsigned char *data, int length);
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#ifdef __cplusplus
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}
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#endif
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#endif
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