diff options
Diffstat (limited to 'libmpdemux/ebml.h')
| -rw-r--r-- | libmpdemux/ebml.h | 189 |
1 files changed, 48 insertions, 141 deletions
diff --git a/libmpdemux/ebml.h b/libmpdemux/ebml.h index fb44faa43c..b2fed46fb9 100644 --- a/libmpdemux/ebml.h +++ b/libmpdemux/ebml.h @@ -20,152 +20,57 @@ #define MPLAYER_EBML_H #include <inttypes.h> +#include <stddef.h> +#include <stdbool.h> + #include "stream/stream.h" /* EBML version supported */ #define EBML_VERSION 1 -/* - * EBML element IDs. max. 32-bit. - */ - -/* top-level master-IDs */ -#define EBML_ID_HEADER 0x1A45DFA3 - -/* IDs in the HEADER master */ -#define EBML_ID_EBMLVERSION 0x4286 -#define EBML_ID_EBMLREADVERSION 0x42F7 -#define EBML_ID_EBMLMAXIDLENGTH 0x42F2 -#define EBML_ID_EBMLMAXSIZELENGTH 0x42F3 -#define EBML_ID_DOCTYPE 0x4282 -#define EBML_ID_DOCTYPEVERSION 0x4287 -#define EBML_ID_DOCTYPEREADVERSION 0x4285 - -/* general EBML types */ -#define EBML_ID_VOID 0xEC +enum ebml_elemtype { + EBML_TYPE_SUBELEMENTS, + EBML_TYPE_UINT, + EBML_TYPE_SINT, + EBML_TYPE_FLOAT, + EBML_TYPE_STR, + EBML_TYPE_BINARY, + EBML_TYPE_EBML_ID, +}; + +struct ebml_field_desc { + uint32_t id; + bool multiple; + int offset; + int count_offset; + const struct ebml_elem_desc *desc; +}; + +struct ebml_elem_desc { + char *name; + enum ebml_elemtype type; + int size; + int field_count; + const struct ebml_field_desc *fields; +}; + +struct ebml_parse_ctx { + void *talloc_ctx; + int bytes_read; + bool has_errors; + bool no_error_messages; +}; + +struct bstr { + uint8_t *start; + int len; +}; + +#include "ebml_types.h" + +#define EBML_ID_INVALID 0xffffffff -/* ID returned in error cases */ -#define EBML_ID_INVALID 0xFFFFFFFF - - -/* - * Matroska element IDs. max. 32-bit. - */ - -/* toplevel segment */ -#define MATROSKA_ID_SEGMENT 0x18538067 - -/* matroska top-level master IDs */ -#define MATROSKA_ID_INFO 0x1549A966 -#define MATROSKA_ID_TRACKS 0x1654AE6B -#define MATROSKA_ID_CUES 0x1C53BB6B -#define MATROSKA_ID_TAGS 0x1254C367 -#define MATROSKA_ID_SEEKHEAD 0x114D9B74 -#define MATROSKA_ID_ATTACHMENTS 0x1941A469 -#define MATROSKA_ID_CHAPTERS 0x1043A770 -#define MATROSKA_ID_CLUSTER 0x1F43B675 - -/* IDs in the info master */ -#define MATROSKA_ID_TIMECODESCALE 0x2AD7B1 -#define MATROSKA_ID_DURATION 0x4489 -#define MATROSKA_ID_WRITINGAPP 0x5741 -#define MATROSKA_ID_MUXINGAPP 0x4D80 -#define MATROSKA_ID_DATEUTC 0x4461 - -/* ID in the tracks master */ -#define MATROSKA_ID_TRACKENTRY 0xAE - -/* IDs in the trackentry master */ -#define MATROSKA_ID_TRACKNUMBER 0xD7 -#define MATROSKA_ID_TRACKUID 0x73C5 -#define MATROSKA_ID_TRACKTYPE 0x83 -#define MATROSKA_ID_TRACKAUDIO 0xE1 -#define MATROSKA_ID_TRACKVIDEO 0xE0 -#define MATROSKA_ID_CODECID 0x86 -#define MATROSKA_ID_CODECPRIVATE 0x63A2 -#define MATROSKA_ID_CODECNAME 0x258688 -#define MATROSKA_ID_CODECINFOURL 0x3B4040 -#define MATROSKA_ID_CODECDOWNLOADURL 0x26B240 -#define MATROSKA_ID_TRACKNAME 0x536E -#define MATROSKA_ID_TRACKLANGUAGE 0x22B59C -#define MATROSKA_ID_TRACKFLAGENABLED 0xB9 -#define MATROSKA_ID_TRACKFLAGDEFAULT 0x88 -#define MATROSKA_ID_TRACKFLAGLACING 0x9C -#define MATROSKA_ID_TRACKMINCACHE 0x6DE7 -#define MATROSKA_ID_TRACKMAXCACHE 0x6DF8 -#define MATROSKA_ID_TRACKDEFAULTDURATION 0x23E383 -#define MATROSKA_ID_TRACKENCODINGS 0x6D80 - -/* IDs in the trackaudio master */ -#define MATROSKA_ID_AUDIOSAMPLINGFREQ 0xB5 -#define MATROSKA_ID_AUDIOBITDEPTH 0x6264 -#define MATROSKA_ID_AUDIOCHANNELS 0x9F - -/* IDs in the trackvideo master */ -#define MATROSKA_ID_VIDEOFRAMERATE 0x2383E3 -#define MATROSKA_ID_VIDEODISPLAYWIDTH 0x54B0 -#define MATROSKA_ID_VIDEODISPLAYHEIGHT 0x54BA -#define MATROSKA_ID_VIDEOPIXELWIDTH 0xB0 -#define MATROSKA_ID_VIDEOPIXELHEIGHT 0xBA -#define MATROSKA_ID_VIDEOFLAGINTERLACED 0x9A -#define MATROSKA_ID_VIDEOSTEREOMODE 0x53B9 -#define MATROSKA_ID_VIDEODISPLAYUNIT 0x54B2 -#define MATROSKA_ID_VIDEOASPECTRATIO 0x54B3 -#define MATROSKA_ID_VIDEOCOLOURSPACE 0x2EB524 -#define MATROSKA_ID_VIDEOGAMMA 0x2FB523 - -/* IDs in the trackencodings master */ -#define MATROSKA_ID_CONTENTENCODING 0x6240 -#define MATROSKA_ID_CONTENTENCODINGORDER 0x5031 -#define MATROSKA_ID_CONTENTENCODINGSCOPE 0x5032 -#define MATROSKA_ID_CONTENTENCODINGTYPE 0x5033 -#define MATROSKA_ID_CONTENTCOMPRESSION 0x5034 -#define MATROSKA_ID_CONTENTCOMPALGO 0x4254 -#define MATROSKA_ID_CONTENTCOMPSETTINGS 0x4255 - -/* ID in the cues master */ -#define MATROSKA_ID_POINTENTRY 0xBB - -/* IDs in the pointentry master */ -#define MATROSKA_ID_CUETIME 0xB3 -#define MATROSKA_ID_CUETRACKPOSITION 0xB7 - -/* IDs in the cuetrackposition master */ -#define MATROSKA_ID_CUETRACK 0xF7 -#define MATROSKA_ID_CUECLUSTERPOSITION 0xF1 - -/* IDs in the seekhead master */ -#define MATROSKA_ID_SEEKENTRY 0x4DBB - -/* IDs in the seekpoint master */ -#define MATROSKA_ID_SEEKID 0x53AB -#define MATROSKA_ID_SEEKPOSITION 0x53AC - -/* IDs in the chapters master */ -#define MATROSKA_ID_EDITIONENTRY 0x45B9 -#define MATROSKA_ID_CHAPTERATOM 0xB6 -#define MATROSKA_ID_CHAPTERTIMESTART 0x91 -#define MATROSKA_ID_CHAPTERTIMEEND 0x92 -#define MATROSKA_ID_CHAPTERDISPLAY 0x80 -#define MATROSKA_ID_CHAPSTRING 0x85 - -/* IDs in the cluster master */ -#define MATROSKA_ID_CLUSTERTIMECODE 0xE7 -#define MATROSKA_ID_BLOCKGROUP 0xA0 - -/* IDs in the blockgroup master */ -#define MATROSKA_ID_BLOCKDURATION 0x9B -#define MATROSKA_ID_BLOCK 0xA1 -#define MATROSKA_ID_SIMPLEBLOCK 0xA3 -#define MATROSKA_ID_REFERENCEBLOCK 0xFB - -/* IDs in the attachments master */ -#define MATROSKA_ID_ATTACHEDFILE 0x61A7 -#define MATROSKA_ID_FILENAME 0x466E -#define MATROSKA_ID_FILEMIMETYPE 0x4660 -#define MATROSKA_ID_FILEDATA 0x465C -#define MATROSKA_ID_FILEUID 0x46AE /* matroska track types */ #define MATROSKA_TRACK_VIDEO 0x01 /* rectangle-shaped pictures aka video */ @@ -200,11 +105,13 @@ int64_t ebml_read_vlen_int (uint8_t *buffer, int *length); uint64_t ebml_read_length (stream_t *s, int *length); uint64_t ebml_read_uint (stream_t *s, uint64_t *length); int64_t ebml_read_int (stream_t *s, uint64_t *length); -long double ebml_read_float (stream_t *s, uint64_t *length); +double ebml_read_float (stream_t *s, uint64_t *length); char *ebml_read_ascii (stream_t *s, uint64_t *length); char *ebml_read_utf8 (stream_t *s, uint64_t *length); int ebml_read_skip (stream_t *s, uint64_t *length); uint32_t ebml_read_master (stream_t *s, uint64_t *length); -char *ebml_read_header (stream_t *s, int *version); + +int ebml_read_element(struct stream *s, struct ebml_parse_ctx *ctx, + void *target, const struct ebml_elem_desc *desc); #endif /* MPLAYER_EBML_H */ |