mirror of
https://github.com/mpv-player/mpv
synced 2024-12-16 03:45:23 +00:00
64667ec554
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@12074 b3059339-0415-0410-9bf9-f77b7e298cf2
2923 lines
87 KiB
C
2923 lines
87 KiB
C
/*
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* native Matroska demuxer
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* Written by Aurelien Jacobs <aurel@gnuage.org>
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* Based on the one written by Ronald Bultje for gstreamer
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* and on demux_mkv.cpp from Moritz Bunkus.
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* Licence: GPL
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*/
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#include "config.h"
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#ifdef HAVE_MATROSKA
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#include <stdlib.h>
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#include <stdio.h>
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#include <ctype.h>
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#include "stream.h"
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#include "demuxer.h"
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#include "stheader.h"
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#include "ebml.h"
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#include "matroska.h"
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#include "bswap.h"
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#include "../subreader.h"
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#include "../libvo/sub.h"
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#ifdef USE_QTX_CODECS
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#include "qtx/qtxsdk/components.h"
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#endif
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#ifdef HAVE_ZLIB
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#include <zlib.h>
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#endif
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#ifdef USE_LIBLZO
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#include <lzo1x.h>
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#else
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#include "../libmpcodecs/native/minilzo.h"
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#endif
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typedef struct
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{
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uint32_t order, type, scope;
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uint32_t comp_algo;
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uint8_t *comp_settings;
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int comp_settings_len;
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} mkv_content_encoding_t;
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typedef struct mkv_track
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{
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int tnum;
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char *codec_id;
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int ms_compat;
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char *language;
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int type;
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uint32_t v_width, v_height, v_dwidth, v_dheight;
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float v_frate;
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uint32_t a_formattag;
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uint32_t a_channels, a_bps;
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float a_sfreq;
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float default_duration;
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int default_track;
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void *private_data;
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unsigned int private_size;
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/* for vorbis audio */
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unsigned char *headers[3];
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uint32_t header_sizes[3];
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/* stuff for realmedia */
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int realmedia;
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int rv_kf_base, rv_kf_pts;
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float rv_pts; /* previous video timestamp */
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float ra_pts; /* previous audio timestamp */
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/* stuff for quicktime */
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int fix_i_bps;
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float qt_last_a_pts;
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int subtitle_type;
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/* generic content encoding support */
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mkv_content_encoding_t *encodings;
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int num_encodings;
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} mkv_track_t;
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typedef struct mkv_index
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{
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int tnum;
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uint64_t timecode, filepos;
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} mkv_index_t;
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typedef struct mkv_chapter
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{
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uint64_t start, end;
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} mkv_chapter_t;
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typedef struct mkv_demuxer
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{
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off_t segment_start;
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float duration, last_pts;
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uint64_t last_filepos;
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mkv_track_t **tracks;
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int num_tracks;
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uint64_t tc_scale, cluster_tc, first_tc;
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int has_first_tc;
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uint64_t clear_subs_at[SUB_MAX_TEXT];
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subtitle subs;
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uint64_t cluster_size;
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uint64_t blockgroup_size;
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mkv_index_t *indexes;
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int num_indexes;
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off_t *parsed_cues;
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int parsed_cues_num;
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off_t *parsed_seekhead;
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int parsed_seekhead_num;
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uint64_t *cluster_positions;
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int num_cluster_pos;
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int64_t skip_to_timecode;
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int v_skip_to_keyframe, a_skip_to_keyframe;
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mkv_chapter_t *chapters;
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int num_chapters;
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int64_t stop_timecode;
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} mkv_demuxer_t;
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typedef struct
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{
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uint32_t chunks; /* number of chunks */
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uint32_t timestamp; /* timestamp from packet header */
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uint32_t len; /* length of actual data */
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uint32_t chunktab; /* offset to chunk offset array */
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} dp_hdr_t;
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typedef struct __attribute__((__packed__))
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{
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uint32_t size;
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uint32_t fourcc1;
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uint32_t fourcc2;
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uint16_t width;
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uint16_t height;
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uint16_t bpp;
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uint32_t unknown1;
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uint32_t fps;
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uint32_t type1;
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uint32_t type2;
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} real_video_props_t;
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typedef struct __attribute__((__packed__))
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{
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uint32_t fourcc1; /* '.', 'r', 'a', 0xfd */
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uint16_t version1; /* 4 or 5 */
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uint16_t unknown1; /* 00 000 */
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uint32_t fourcc2; /* .ra4 or .ra5 */
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uint32_t unknown2; /* ??? */
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uint16_t version2; /* 4 or 5 */
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uint32_t header_size; /* == 0x4e */
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uint16_t flavor; /* codec flavor id */
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uint32_t coded_frame_size; /* coded frame size */
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uint32_t unknown3; /* big number */
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uint32_t unknown4; /* bigger number */
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uint32_t unknown5; /* yet another number */
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uint16_t sub_packet_h;
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uint16_t frame_size;
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uint16_t sub_packet_size;
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uint16_t unknown6; /* 00 00 */
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uint16_t sample_rate;
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uint16_t unknown8; /* 0 */
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uint16_t sample_size;
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uint16_t channels;
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} real_audio_v4_props_t;
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typedef struct __attribute__((__packed__))
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{
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uint32_t fourcc1; /* '.', 'r', 'a', 0xfd */
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uint16_t version1; /* 4 or 5 */
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uint16_t unknown1; /* 00 000 */
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uint32_t fourcc2; /* .ra4 or .ra5 */
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uint32_t unknown2; /* ??? */
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uint16_t version2; /* 4 or 5 */
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uint32_t header_size; /* == 0x4e */
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uint16_t flavor; /* codec flavor id */
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uint32_t coded_frame_size; /* coded frame size */
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uint32_t unknown3; /* big number */
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uint32_t unknown4; /* bigger number */
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uint32_t unknown5; /* yet another number */
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uint16_t sub_packet_h;
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uint16_t frame_size;
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uint16_t sub_packet_size;
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uint16_t unknown6; /* 00 00 */
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uint8_t unknown7[6]; /* 0, srate, 0 */
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uint16_t sample_rate;
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uint16_t unknown8; /* 0 */
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uint16_t sample_size;
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uint16_t channels;
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uint32_t genr; /* "genr" */
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uint32_t fourcc3; /* fourcc */
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} real_audio_v5_props_t;
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/* for e.g. "-slang ger" */
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extern char *dvdsub_lang;
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extern char *audio_lang;
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static mkv_track_t *
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demux_mkv_find_track_by_num (mkv_demuxer_t *d, int n, int type)
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{
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int i, id;
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for (i=0, id=0; i < d->num_tracks; i++)
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if (d->tracks[i] != NULL && d->tracks[i]->type == type)
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if (id++ == n)
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return d->tracks[i];
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return NULL;
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}
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static mkv_track_t *
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demux_mkv_find_track_by_language (mkv_demuxer_t *d, char *language, int type)
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{
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int i, len;
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language += strspn(language,",");
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while((len = strcspn(language,",")) > 0)
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{
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for (i=0; i < d->num_tracks; i++)
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if (d->tracks[i] != NULL && d->tracks[i]->language != NULL &&
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d->tracks[i]->type == type &&
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!strncmp(d->tracks[i]->language, language, len))
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return d->tracks[i];
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language += len;
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language += strspn(language,",");
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}
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return NULL;
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}
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static void
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add_cluster_position (mkv_demuxer_t *mkv_d, uint64_t position)
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{
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int i = mkv_d->num_cluster_pos;
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while (i--)
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if (mkv_d->cluster_positions[i] == position)
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return;
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if (!mkv_d->cluster_positions)
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mkv_d->cluster_positions = (uint64_t *) malloc (32 * sizeof (uint64_t));
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else if (!(mkv_d->num_cluster_pos % 32))
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mkv_d->cluster_positions = (uint64_t *) realloc(mkv_d->cluster_positions,
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(mkv_d->num_cluster_pos+32)
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* sizeof (uint64_t));
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mkv_d->cluster_positions[mkv_d->num_cluster_pos++] = position;
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}
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#define AAC_SYNC_EXTENSION_TYPE 0x02b7
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static int
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aac_get_sample_rate_index (uint32_t sample_rate)
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{
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if (92017 <= sample_rate)
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return 0;
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else if (75132 <= sample_rate)
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return 1;
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else if (55426 <= sample_rate)
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return 2;
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else if (46009 <= sample_rate)
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return 3;
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else if (37566 <= sample_rate)
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return 4;
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else if (27713 <= sample_rate)
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return 5;
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else if (23004 <= sample_rate)
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return 6;
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else if (18783 <= sample_rate)
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return 7;
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else if (13856 <= sample_rate)
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return 8;
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else if (11502 <= sample_rate)
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return 9;
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else if (9391 <= sample_rate)
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return 10;
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else
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return 11;
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}
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static int
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demux_mkv_decode (mkv_track_t *track, uint8_t *src, uint8_t **dest,
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uint32_t *size, uint32_t type)
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{
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int i, result;
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int modified = 0;
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*dest = src;
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if (track->num_encodings <= 0)
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return 0;
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for (i=0; i<track->num_encodings; i++)
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{
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if (!(track->encodings[i].scope & type))
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continue;
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#ifdef HAVE_ZLIB
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if (track->encodings[i].comp_algo == 0)
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{
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/* zlib encoded track */
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z_stream zstream;
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zstream.zalloc = (alloc_func) 0;
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zstream.zfree = (free_func) 0;
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zstream.opaque = (voidpf) 0;
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if (inflateInit (&zstream) != Z_OK)
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{
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mp_msg (MSGT_DEMUX, MSGL_WARN,
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"[mkv] zlib initialization failed.\n");
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return modified;
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}
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zstream.next_in = (Bytef *) src;
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zstream.avail_in = *size;
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modified = 1;
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*dest = (uint8_t *) malloc (*size);
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zstream.avail_out = *size;
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do {
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*size += 4000;
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*dest = (uint8_t *) realloc (*dest, *size);
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zstream.next_out = (Bytef *) (*dest + zstream.total_out);
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result = inflate (&zstream, Z_NO_FLUSH);
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if (result != Z_OK && result != Z_STREAM_END)
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{
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mp_msg (MSGT_DEMUX, MSGL_WARN,
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"[mkv] zlib decompression failed.\n");
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free(*dest);
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*dest = NULL;
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inflateEnd (&zstream);
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return modified;
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}
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zstream.avail_out += 4000;
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} while (zstream.avail_out == 4000 &&
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zstream.avail_in != 0 && result != Z_STREAM_END);
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*size = zstream.total_out;
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inflateEnd (&zstream);
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}
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#endif
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if (track->encodings[i].comp_algo == 2)
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{
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/* lzo encoded track */
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int dstlen = *size * 3;
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if (lzo_init () != LZO_E_OK)
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{
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mp_msg (MSGT_DEMUX, MSGL_WARN,
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"[mkv] lzo initialization failed.\n");
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return modified;
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}
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*dest = (uint8_t *) malloc (dstlen);
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while (1)
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{
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result = lzo1x_decompress_safe (src, *size, *dest, &dstlen,
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NULL);
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if (result == LZO_E_OK)
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break;
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if (result != LZO_E_OUTPUT_OVERRUN)
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{
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mp_msg (MSGT_DEMUX, MSGL_WARN,
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"[mkv] lzo decompression failed.\n");
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return modified;
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}
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mp_msg (MSGT_DEMUX, MSGL_DBG2,
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"[mkv] lzo decompression buffer too small.\n");
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dstlen *= 2;
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*dest = (uint8_t *) realloc (*dest, dstlen);
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}
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*size = dstlen;
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}
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}
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return modified;
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}
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static int
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demux_mkv_read_info (demuxer_t *demuxer)
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{
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mkv_demuxer_t *mkv_d = (mkv_demuxer_t *) demuxer->priv;
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stream_t *s = demuxer->stream;
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uint64_t length, l;
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int il;
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length = ebml_read_length (s, NULL);
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while (length > 0)
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{
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switch (ebml_read_id (s, &il))
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{
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case MATROSKA_ID_TIMECODESCALE:
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{
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uint64_t num = ebml_read_uint (s, &l);
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if (num == EBML_UINT_INVALID)
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return 1;
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mkv_d->tc_scale = num;
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mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + timecode scale: %llu\n",
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mkv_d->tc_scale);
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break;
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}
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case MATROSKA_ID_DURATION:
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{
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long double num = ebml_read_float (s, &l);
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if (num == EBML_FLOAT_INVALID)
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return 1;
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mkv_d->duration = num * mkv_d->tc_scale / 1000000000.0;
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mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + duration: %.3fs\n",
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mkv_d->duration);
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break;
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}
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default:
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ebml_read_skip (s, &l);
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break;
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}
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length -= l + il;
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}
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return 0;
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}
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static int
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demux_mkv_read_trackencodings (demuxer_t *demuxer, mkv_track_t *track)
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{
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stream_t *s = demuxer->stream;
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mkv_content_encoding_t *ce, e;
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uint64_t len, length, l;
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int il, n;
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ce = (mkv_content_encoding_t *) malloc (sizeof (*ce));
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n = 0;
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len = length = ebml_read_length (s, &il);
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len += il;
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while (length > 0)
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{
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switch (ebml_read_id (s, &il))
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{
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case MATROSKA_ID_CONTENTENCODING:
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{
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uint64_t len;
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int i;
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memset (&e, 0, sizeof (e));
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e.scope = 1;
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len = ebml_read_length (s, &i);
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l = len + i;
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while (len > 0)
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{
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uint64_t num, l;
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int il;
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switch (ebml_read_id (s, &il))
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{
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case MATROSKA_ID_CONTENTENCODINGORDER:
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num = ebml_read_uint (s, &l);
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if (num == EBML_UINT_INVALID)
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return 0;
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e.order = num;
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break;
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case MATROSKA_ID_CONTENTENCODINGSCOPE:
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num = ebml_read_uint (s, &l);
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if (num == EBML_UINT_INVALID)
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return 0;
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e.scope = num;
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break;
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case MATROSKA_ID_CONTENTENCODINGTYPE:
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num = ebml_read_uint (s, &l);
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if (num == EBML_UINT_INVALID)
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return 0;
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e.type = num;
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break;
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case MATROSKA_ID_CONTENTCOMPRESSION:
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{
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uint64_t le;
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le = ebml_read_length (s, &i);
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l = le + i;
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while (le > 0)
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{
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uint64_t l;
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int il;
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switch (ebml_read_id (s, &il))
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{
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case MATROSKA_ID_CONTENTCOMPALGO:
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num = ebml_read_uint (s, &l);
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if (num == EBML_UINT_INVALID)
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return 0;
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e.comp_algo = num;
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break;
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case MATROSKA_ID_CONTENTCOMPSETTINGS:
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l = ebml_read_length (s, &i);
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e.comp_settings = (uint8_t *) malloc (l);
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stream_read (s, e.comp_settings, l);
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e.comp_settings_len = l;
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l += i;
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break;
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default:
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ebml_read_skip (s, &l);
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break;
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}
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le -= l + il;
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}
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if (e.type == 1)
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{
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mp_msg(MSGT_DEMUX, MSGL_WARN,
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"[mkv] Track number %u has been encrypted "
|
|
"and decryption has not yet been implemented."
|
|
" Skipping track.\n", track->tnum);
|
|
}
|
|
else if (e.type != 0)
|
|
{
|
|
mp_msg(MSGT_DEMUX, MSGL_WARN,
|
|
"[mkv] Unknown content encoding type for "
|
|
"track %u. Skipping track.\n", track->tnum);
|
|
}
|
|
|
|
if (e.comp_algo != 0 && e.comp_algo != 2)
|
|
{
|
|
mp_msg (MSGT_DEMUX, MSGL_WARN,
|
|
"[mkv] Track %u has been compressed with an "
|
|
"unknown/unsupported compression algorithm "
|
|
"(%u). Skipping track.\n",
|
|
track->tnum, e.comp_algo);
|
|
}
|
|
#ifndef HAVE_ZLIB
|
|
else if (e.comp_algo == 0)
|
|
{
|
|
mp_msg (MSGT_DEMUX, MSGL_WARN,
|
|
"Track %u was compressed with zlib but "
|
|
"mplayer has not been compiled with support "
|
|
"for zlib compression. Skipping track.\n",
|
|
track->tnum);
|
|
}
|
|
#endif
|
|
|
|
break;
|
|
}
|
|
|
|
default:
|
|
ebml_read_skip (s, &l);
|
|
break;
|
|
}
|
|
len -= l + il;
|
|
}
|
|
for (i=0; i<n; i++)
|
|
if (e.order <= ce[i].order)
|
|
break;
|
|
ce = (mkv_content_encoding_t *) realloc (ce, (n+1) *sizeof (*ce));
|
|
memmove (ce+i+1, ce+i, (n-i) * sizeof (*ce));
|
|
memcpy (ce+i, &e, sizeof (e));
|
|
n++;
|
|
break;
|
|
}
|
|
|
|
default:
|
|
ebml_read_skip (s, &l);
|
|
break;
|
|
}
|
|
|
|
length -= l + il;
|
|
}
|
|
|
|
track->encodings = ce;
|
|
track->num_encodings = n;
|
|
return len;
|
|
}
|
|
|
|
static int
|
|
demux_mkv_read_trackaudio (demuxer_t *demuxer, mkv_track_t *track)
|
|
{
|
|
stream_t *s = demuxer->stream;
|
|
uint64_t len, length, l;
|
|
int il;
|
|
|
|
track->a_sfreq = 8000.0;
|
|
track->a_channels = 1;
|
|
|
|
len = length = ebml_read_length (s, &il);
|
|
len += il;
|
|
while (length > 0)
|
|
{
|
|
switch (ebml_read_id (s, &il))
|
|
{
|
|
case MATROSKA_ID_AUDIOSAMPLINGFREQ:
|
|
{
|
|
long double num = ebml_read_float (s, &l);
|
|
if (num == EBML_FLOAT_INVALID)
|
|
return 0;
|
|
track->a_sfreq = num;
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Sampling frequency: %f\n",
|
|
track->a_sfreq);
|
|
break;
|
|
}
|
|
|
|
case MATROSKA_ID_AUDIOBITDEPTH:
|
|
{
|
|
uint64_t num = ebml_read_uint (s, &l);
|
|
if (num == EBML_UINT_INVALID)
|
|
return 0;
|
|
track->a_bps = num;
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Bit depth: %u\n",
|
|
track->a_bps);
|
|
break;
|
|
}
|
|
|
|
case MATROSKA_ID_AUDIOCHANNELS:
|
|
{
|
|
uint64_t num = ebml_read_uint (s, &l);
|
|
if (num == EBML_UINT_INVALID)
|
|
return 0;
|
|
track->a_channels = num;
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Channels: %u\n",
|
|
track->a_channels);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
ebml_read_skip (s, &l);
|
|
break;
|
|
}
|
|
length -= l + il;
|
|
}
|
|
return len;
|
|
}
|
|
|
|
static int
|
|
demux_mkv_read_trackvideo (demuxer_t *demuxer, mkv_track_t *track)
|
|
{
|
|
stream_t *s = demuxer->stream;
|
|
uint64_t len, length, l;
|
|
int il;
|
|
|
|
len = length = ebml_read_length (s, &il);
|
|
len += il;
|
|
while (length > 0)
|
|
{
|
|
switch (ebml_read_id (s, &il))
|
|
{
|
|
case MATROSKA_ID_VIDEOFRAMERATE:
|
|
{
|
|
long double num = ebml_read_float (s, &l);
|
|
if (num == EBML_FLOAT_INVALID)
|
|
return 0;
|
|
track->v_frate = num;
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Frame rate: %f\n",
|
|
track->v_frate);
|
|
break;
|
|
}
|
|
|
|
case MATROSKA_ID_VIDEODISPLAYWIDTH:
|
|
{
|
|
uint64_t num = ebml_read_uint (s, &l);
|
|
if (num == EBML_UINT_INVALID)
|
|
return 0;
|
|
track->v_dwidth = num;
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Display width: %u\n",
|
|
track->v_dwidth);
|
|
break;
|
|
}
|
|
|
|
case MATROSKA_ID_VIDEODISPLAYHEIGHT:
|
|
{
|
|
uint64_t num = ebml_read_uint (s, &l);
|
|
if (num == EBML_UINT_INVALID)
|
|
return 0;
|
|
track->v_dheight = num;
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Display height: %u\n",
|
|
track->v_dheight);
|
|
break;
|
|
}
|
|
|
|
case MATROSKA_ID_VIDEOPIXELWIDTH:
|
|
{
|
|
uint64_t num = ebml_read_uint (s, &l);
|
|
if (num == EBML_UINT_INVALID)
|
|
return 0;
|
|
track->v_width = num;
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Pixel width: %u\n",
|
|
track->v_width);
|
|
break;
|
|
}
|
|
|
|
case MATROSKA_ID_VIDEOPIXELHEIGHT:
|
|
{
|
|
uint64_t num = ebml_read_uint (s, &l);
|
|
if (num == EBML_UINT_INVALID)
|
|
return 0;
|
|
track->v_height = num;
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Pixel height: %u\n",
|
|
track->v_height);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
ebml_read_skip (s, &l);
|
|
break;
|
|
}
|
|
length -= l + il;
|
|
}
|
|
return len;
|
|
}
|
|
|
|
static int
|
|
demux_mkv_read_trackentry (demuxer_t *demuxer)
|
|
{
|
|
mkv_demuxer_t *mkv_d = (mkv_demuxer_t *) demuxer->priv;
|
|
stream_t *s = demuxer->stream;
|
|
mkv_track_t *track;
|
|
uint64_t len, length, l;
|
|
int il;
|
|
|
|
track = (mkv_track_t *) malloc (sizeof (*track));
|
|
memset(track, 0, sizeof(*track));
|
|
/* set default values */
|
|
track->default_track = 1;
|
|
track->language = strdup("eng");
|
|
|
|
len = length = ebml_read_length (s, &il);
|
|
len += il;
|
|
while (length > 0)
|
|
{
|
|
switch (ebml_read_id (s, &il))
|
|
{
|
|
case MATROSKA_ID_TRACKNUMBER:
|
|
{
|
|
uint64_t num = ebml_read_uint (s, &l);
|
|
if (num == EBML_UINT_INVALID)
|
|
return 0;
|
|
track->tnum = num;
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Track number: %u\n",
|
|
track->tnum);
|
|
break;
|
|
}
|
|
|
|
case MATROSKA_ID_TRACKTYPE:
|
|
{
|
|
uint64_t num = ebml_read_uint (s, &l);
|
|
if (num == EBML_UINT_INVALID)
|
|
return 0;
|
|
track->type = num;
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Track type: ");
|
|
switch (track->type)
|
|
{
|
|
case MATROSKA_TRACK_AUDIO:
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "Audio\n");
|
|
break;
|
|
case MATROSKA_TRACK_VIDEO:
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "Video\n");
|
|
break;
|
|
case MATROSKA_TRACK_SUBTITLE:
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "Subtitle\n");
|
|
break;
|
|
default:
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "unknown\n");
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case MATROSKA_ID_TRACKAUDIO:
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Audio track\n");
|
|
l = demux_mkv_read_trackaudio (demuxer, track);
|
|
if (l == 0)
|
|
return 0;
|
|
break;
|
|
|
|
case MATROSKA_ID_TRACKVIDEO:
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Video track\n");
|
|
l = demux_mkv_read_trackvideo (demuxer, track);
|
|
if (l == 0)
|
|
return 0;
|
|
break;
|
|
|
|
case MATROSKA_ID_CODECID:
|
|
track->codec_id = ebml_read_ascii (s, &l);
|
|
if (track->codec_id == NULL)
|
|
return 0;
|
|
if (!strcmp (track->codec_id, MKV_V_MSCOMP))
|
|
track->ms_compat = 1;
|
|
else if (!strcmp (track->codec_id, MKV_S_VOBSUB))
|
|
track->subtitle_type = MATROSKA_SUBTYPE_VOBSUB;
|
|
else if (!strcmp (track->codec_id, MKV_S_TEXTSSA)
|
|
|| !strcmp (track->codec_id, MKV_S_TEXTASS)
|
|
|| !strcmp (track->codec_id, MKV_S_SSA)
|
|
|| !strcmp (track->codec_id, MKV_S_ASS))
|
|
{
|
|
track->subtitle_type = MATROSKA_SUBTYPE_SSA;
|
|
sub_utf8 = 1;
|
|
}
|
|
else if (!strcmp (track->codec_id, MKV_S_TEXTASCII))
|
|
track->subtitle_type = MATROSKA_SUBTYPE_TEXT;
|
|
if (!strcmp (track->codec_id, MKV_S_TEXTUTF8))
|
|
{
|
|
track->subtitle_type = MATROSKA_SUBTYPE_TEXT;
|
|
sub_utf8 = 1;
|
|
}
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Codec ID: %s\n",
|
|
track->codec_id);
|
|
break;
|
|
|
|
case MATROSKA_ID_CODECPRIVATE:
|
|
{
|
|
int x;
|
|
uint64_t num = ebml_read_length (s, &x);
|
|
l = x + num;
|
|
track->private_data = malloc (num);
|
|
if (stream_read(s, track->private_data, num) != (int) num)
|
|
return 0;
|
|
track->private_size = num;
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + CodecPrivate, length "
|
|
"%u\n", track->private_size);
|
|
break;
|
|
}
|
|
|
|
case MATROSKA_ID_TRACKLANGUAGE:
|
|
track->language = ebml_read_utf8 (s, &l);
|
|
if (track->language == NULL)
|
|
return 0;
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Language: %s\n",
|
|
track->language);
|
|
break;
|
|
|
|
case MATROSKA_ID_TRACKFLAGDEFAULT:
|
|
{
|
|
uint64_t num = ebml_read_uint (s, &l);
|
|
if (num == EBML_UINT_INVALID)
|
|
return 0;
|
|
track->default_track = num;
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Default flag: %u\n",
|
|
track->default_track);
|
|
break;
|
|
}
|
|
|
|
case MATROSKA_ID_TRACKDEFAULTDURATION:
|
|
{
|
|
uint64_t num = ebml_read_uint (s, &l);
|
|
if (num == EBML_UINT_INVALID)
|
|
return 0;
|
|
if (num == 0)
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Default duration: 0");
|
|
else
|
|
{
|
|
track->v_frate = 1000000000.0 / num;
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + Default duration: "
|
|
"%.3fms ( = %.3f fps)\n",num/1000000.0,track->v_frate);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case MATROSKA_ID_TRACKENCODINGS:
|
|
l = demux_mkv_read_trackencodings (demuxer, track);
|
|
if (l == 0)
|
|
return 0;
|
|
break;
|
|
|
|
default:
|
|
ebml_read_skip (s, &l);
|
|
break;
|
|
}
|
|
length -= l + il;
|
|
}
|
|
|
|
mkv_d->tracks[mkv_d->num_tracks++] = track;
|
|
return len;
|
|
}
|
|
|
|
static int
|
|
demux_mkv_read_tracks (demuxer_t *demuxer)
|
|
{
|
|
mkv_demuxer_t *mkv_d = (mkv_demuxer_t *) demuxer->priv;
|
|
stream_t *s = demuxer->stream;
|
|
uint64_t length, l;
|
|
int il;
|
|
|
|
mkv_d->tracks = (mkv_track_t **) malloc (sizeof (*mkv_d->tracks));
|
|
mkv_d->num_tracks = 0;
|
|
|
|
length = ebml_read_length (s, NULL);
|
|
while (length > 0)
|
|
{
|
|
switch (ebml_read_id (s, &il))
|
|
{
|
|
case MATROSKA_ID_TRACKENTRY:
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] | + a track...\n");
|
|
mkv_d->tracks = (mkv_track_t **) realloc (mkv_d->tracks,
|
|
(mkv_d->num_tracks+1)
|
|
*sizeof (*mkv_d->tracks));
|
|
l = demux_mkv_read_trackentry (demuxer);
|
|
if (l == 0)
|
|
return 1;
|
|
break;
|
|
|
|
default:
|
|
ebml_read_skip (s, &l);
|
|
break;
|
|
}
|
|
length -= l + il;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
demux_mkv_read_cues (demuxer_t *demuxer)
|
|
{
|
|
mkv_demuxer_t *mkv_d = (mkv_demuxer_t *) demuxer->priv;
|
|
stream_t *s = demuxer->stream;
|
|
uint64_t length, l, time, track, pos;
|
|
off_t off;
|
|
int i, il;
|
|
|
|
off = stream_tell (s);
|
|
for (i=0; i<mkv_d->parsed_cues_num; i++)
|
|
if (mkv_d->parsed_cues[i] == off)
|
|
{
|
|
ebml_read_skip (s, NULL);
|
|
return 0;
|
|
}
|
|
mkv_d->parsed_cues = (off_t *) realloc (mkv_d->parsed_cues,
|
|
(mkv_d->parsed_cues_num+1)
|
|
* sizeof (off_t));
|
|
mkv_d->parsed_cues[mkv_d->parsed_cues_num++] = off;
|
|
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] /---- [ parsing cues ] -----------\n");
|
|
length = ebml_read_length (s, NULL);
|
|
|
|
while (length > 0)
|
|
{
|
|
time = track = pos = EBML_UINT_INVALID;
|
|
|
|
switch (ebml_read_id (s, &il))
|
|
{
|
|
case MATROSKA_ID_POINTENTRY:
|
|
{
|
|
uint64_t len;
|
|
|
|
len = ebml_read_length (s, &i);
|
|
l = len + i;
|
|
|
|
while (len > 0)
|
|
{
|
|
uint64_t l;
|
|
int il;
|
|
|
|
switch (ebml_read_id (s, &il))
|
|
{
|
|
case MATROSKA_ID_CUETIME:
|
|
time = ebml_read_uint (s, &l);
|
|
break;
|
|
|
|
case MATROSKA_ID_CUETRACKPOSITION:
|
|
{
|
|
uint64_t le;
|
|
|
|
le = ebml_read_length (s, &i);
|
|
l = le + i;
|
|
|
|
while (le > 0)
|
|
{
|
|
uint64_t l;
|
|
int il;
|
|
|
|
switch (ebml_read_id (s, &il))
|
|
{
|
|
case MATROSKA_ID_CUETRACK:
|
|
track = ebml_read_uint (s, &l);
|
|
break;
|
|
|
|
case MATROSKA_ID_CUECLUSTERPOSITION:
|
|
pos = ebml_read_uint (s, &l);
|
|
break;
|
|
|
|
default:
|
|
ebml_read_skip (s, &l);
|
|
break;
|
|
}
|
|
le -= l + il;
|
|
}
|
|
break;
|
|
}
|
|
|
|
default:
|
|
ebml_read_skip (s, &l);
|
|
break;
|
|
}
|
|
len -= l + il;
|
|
}
|
|
break;
|
|
}
|
|
|
|
default:
|
|
ebml_read_skip (s, &l);
|
|
break;
|
|
}
|
|
|
|
length -= l + il;
|
|
|
|
if (time != EBML_UINT_INVALID && track != EBML_UINT_INVALID
|
|
&& pos != EBML_UINT_INVALID)
|
|
{
|
|
if (mkv_d->indexes == NULL)
|
|
mkv_d->indexes = (mkv_index_t *) malloc (32*sizeof (mkv_index_t));
|
|
else if (mkv_d->num_indexes % 32 == 0)
|
|
mkv_d->indexes = (mkv_index_t *) realloc (mkv_d->indexes,
|
|
(mkv_d->num_indexes+32)
|
|
*sizeof (mkv_index_t));
|
|
mkv_d->indexes[mkv_d->num_indexes].tnum = track;
|
|
mkv_d->indexes[mkv_d->num_indexes].timecode = time;
|
|
mkv_d->indexes[mkv_d->num_indexes].filepos =mkv_d->segment_start+pos;
|
|
mp_msg (MSGT_DEMUX, MSGL_DBG2, "[mkv] |+ found cue point "
|
|
"for track %llu: timecode %llu, filepos: %llu\n",
|
|
track, time, mkv_d->segment_start + pos);
|
|
mkv_d->num_indexes++;
|
|
}
|
|
}
|
|
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] \\---- [ parsing cues ] -----------\n");
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
demux_mkv_read_chapters (demuxer_t *demuxer)
|
|
{
|
|
mkv_demuxer_t *mkv_d = (mkv_demuxer_t *) demuxer->priv;
|
|
stream_t *s = demuxer->stream;
|
|
uint64_t length, l;
|
|
int il;
|
|
|
|
if (mkv_d->chapters)
|
|
{
|
|
ebml_read_skip (s, NULL);
|
|
return 0;
|
|
}
|
|
|
|
mp_msg(MSGT_DEMUX, MSGL_V, "[mkv] /---- [ parsing chapters ] ---------\n");
|
|
length = ebml_read_length (s, NULL);
|
|
|
|
while (length > 0)
|
|
{
|
|
switch (ebml_read_id (s, &il))
|
|
{
|
|
case MATROSKA_ID_EDITIONENTRY:
|
|
{
|
|
uint64_t len;
|
|
int i;
|
|
|
|
len = ebml_read_length (s, &i);
|
|
l = len + i;
|
|
|
|
while (len > 0)
|
|
{
|
|
uint64_t l;
|
|
int il;
|
|
|
|
switch (ebml_read_id (s, &il))
|
|
{
|
|
case MATROSKA_ID_CHAPTERATOM:
|
|
{
|
|
uint64_t len, start=0, end=0;
|
|
int i;
|
|
|
|
len = ebml_read_length (s, &i);
|
|
l = len + i;
|
|
|
|
if (mkv_d->chapters == NULL)
|
|
mkv_d->chapters = malloc (32*sizeof(*mkv_d->chapters));
|
|
else if (!(mkv_d->num_chapters % 32))
|
|
mkv_d->chapters = realloc (mkv_d->chapters,
|
|
(mkv_d->num_chapters + 32)
|
|
* sizeof(*mkv_d->chapters));
|
|
|
|
while (len > 0)
|
|
{
|
|
uint64_t l;
|
|
int il;
|
|
|
|
switch (ebml_read_id (s, &il))
|
|
{
|
|
case MATROSKA_ID_CHAPTERTIMESTART:
|
|
start = ebml_read_uint (s, &l) / 1000000;
|
|
break;
|
|
|
|
case MATROSKA_ID_CHAPTERTIMEEND:
|
|
end = ebml_read_uint (s, &l) / 1000000;
|
|
break;
|
|
|
|
default:
|
|
ebml_read_skip (s, &l);
|
|
break;
|
|
}
|
|
len -= l + il;
|
|
}
|
|
|
|
mkv_d->chapters[mkv_d->num_chapters].start = start;
|
|
mkv_d->chapters[mkv_d->num_chapters].end = end;
|
|
mp_msg(MSGT_DEMUX, MSGL_V,
|
|
"[mkv] Chapter %u from %02d:%02d:%02d."
|
|
"%03d to %02d:%02d:%02d.%03d\n",
|
|
++mkv_d->num_chapters,
|
|
(int) (start / 60 / 60 / 1000),
|
|
(int) ((start / 60 / 1000) % 60),
|
|
(int) ((start / 1000) % 60),
|
|
(int) (start % 1000),
|
|
(int) (end / 60 / 60 / 1000),
|
|
(int) ((end / 60 / 1000) % 60),
|
|
(int) ((end / 1000) % 60),
|
|
(int) (end % 1000));
|
|
break;
|
|
}
|
|
|
|
default:
|
|
ebml_read_skip (s, &l);
|
|
break;
|
|
}
|
|
len -= l + il;
|
|
}
|
|
break;
|
|
}
|
|
|
|
default:
|
|
ebml_read_skip (s, &l);
|
|
break;
|
|
}
|
|
|
|
length -= l + il;
|
|
}
|
|
|
|
mp_msg(MSGT_DEMUX, MSGL_V, "[mkv] \\---- [ parsing chapters ] ---------\n");
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
demux_mkv_read_tags (demuxer_t *demuxer)
|
|
{
|
|
ebml_read_skip (demuxer->stream, NULL);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
demux_mkv_read_seekhead (demuxer_t *demuxer)
|
|
{
|
|
mkv_demuxer_t *mkv_d = (mkv_demuxer_t *) demuxer->priv;
|
|
stream_t *s = demuxer->stream;
|
|
uint64_t length, l, seek_pos, saved_pos, num;
|
|
uint32_t seek_id;
|
|
int i, il, res = 0;
|
|
off_t off;
|
|
|
|
off = stream_tell (s);
|
|
for (i=0; i<mkv_d->parsed_seekhead_num; i++)
|
|
if (mkv_d->parsed_seekhead[i] == off)
|
|
{
|
|
ebml_read_skip (s, NULL);
|
|
return 0;
|
|
}
|
|
mkv_d->parsed_seekhead = (off_t *) realloc (mkv_d->parsed_seekhead,
|
|
(mkv_d->parsed_seekhead_num+1)
|
|
* sizeof (off_t));
|
|
mkv_d->parsed_seekhead[mkv_d->parsed_seekhead_num++] = off;
|
|
|
|
mp_msg(MSGT_DEMUX, MSGL_V, "[mkv] /---- [ parsing seek head ] ---------\n");
|
|
length = ebml_read_length (s, NULL);
|
|
while (length > 0 && !res)
|
|
{
|
|
|
|
seek_id = 0;
|
|
seek_pos = EBML_UINT_INVALID;
|
|
|
|
switch (ebml_read_id (s, &il))
|
|
{
|
|
case MATROSKA_ID_SEEKENTRY:
|
|
{
|
|
uint64_t len;
|
|
|
|
len = ebml_read_length (s, &i);
|
|
l = len + i;
|
|
|
|
while (len > 0)
|
|
{
|
|
uint64_t l;
|
|
int il;
|
|
|
|
switch (ebml_read_id (s, &il))
|
|
{
|
|
case MATROSKA_ID_SEEKID:
|
|
num = ebml_read_uint (s, &l);
|
|
if (num != EBML_UINT_INVALID)
|
|
seek_id = num;
|
|
break;
|
|
|
|
case MATROSKA_ID_SEEKPOSITION:
|
|
seek_pos = ebml_read_uint (s, &l);
|
|
break;
|
|
|
|
default:
|
|
ebml_read_skip (s, &l);
|
|
break;
|
|
}
|
|
len -= l + il;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
default:
|
|
ebml_read_skip (s, &l);
|
|
break;
|
|
}
|
|
length -= l + il;
|
|
|
|
if (seek_id == 0 || seek_id == MATROSKA_ID_CLUSTER
|
|
|| seek_pos == EBML_UINT_INVALID ||
|
|
((mkv_d->segment_start + seek_pos) >= (uint64_t)demuxer->movi_end))
|
|
continue;
|
|
|
|
saved_pos = stream_tell (s);
|
|
if (!stream_seek (s, mkv_d->segment_start + seek_pos))
|
|
res = 1;
|
|
else
|
|
{
|
|
if (ebml_read_id (s, &il) != seek_id)
|
|
res = 1;
|
|
else
|
|
switch (seek_id)
|
|
{
|
|
case MATROSKA_ID_CUES:
|
|
if (demux_mkv_read_cues (demuxer))
|
|
res = 1;
|
|
break;
|
|
|
|
case MATROSKA_ID_TAGS:
|
|
if (demux_mkv_read_tags (demuxer))
|
|
res = 1;
|
|
break;
|
|
|
|
case MATROSKA_ID_SEEKHEAD:
|
|
if (demux_mkv_read_seekhead (demuxer))
|
|
res = 1;
|
|
break;
|
|
|
|
case MATROSKA_ID_CHAPTERS:
|
|
if (demux_mkv_read_chapters (demuxer))
|
|
res = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
stream_seek (s, saved_pos);
|
|
}
|
|
if (length > 0)
|
|
stream_seek (s, stream_tell (s) + length);
|
|
mp_msg(MSGT_DEMUX, MSGL_V, "[mkv] \\---- [ parsing seek head ] ---------\n");
|
|
return res;
|
|
}
|
|
|
|
static void
|
|
display_tracks (mkv_demuxer_t *mkv_d)
|
|
{
|
|
int i, vid=0, aid=0, sid=0;
|
|
|
|
for (i=0; i<mkv_d->num_tracks; i++)
|
|
{
|
|
char *type = "unknown", str[32];
|
|
*str = '\0';
|
|
switch (mkv_d->tracks[i]->type)
|
|
{
|
|
case MATROSKA_TRACK_VIDEO:
|
|
type = "video";
|
|
sprintf (str, "-vid %u", vid++);
|
|
break;
|
|
case MATROSKA_TRACK_AUDIO:
|
|
type = "audio";
|
|
sprintf (str, "-aid %u, -alang %s",aid++,mkv_d->tracks[i]->language);
|
|
break;
|
|
case MATROSKA_TRACK_SUBTITLE:
|
|
type = "sutitles";
|
|
sprintf (str, "-sid %u, -slang %s",sid++,mkv_d->tracks[i]->language);
|
|
break;
|
|
}
|
|
mp_msg(MSGT_DEMUX, MSGL_INFO, "[mkv] Track ID %u: %s (%s), %s\n",
|
|
mkv_d->tracks[i]->tnum, type, mkv_d->tracks[i]->codec_id, str);
|
|
}
|
|
}
|
|
|
|
static int
|
|
demux_mkv_open_video (demuxer_t *demuxer, mkv_track_t *track)
|
|
{
|
|
BITMAPINFOHEADER *bih;
|
|
void *ImageDesc = NULL;
|
|
sh_video_t *sh_v;
|
|
|
|
if (track->ms_compat) /* MS compatibility mode */
|
|
{
|
|
BITMAPINFOHEADER *src;
|
|
|
|
if (track->private_data == NULL
|
|
|| track->private_size < sizeof (BITMAPINFOHEADER))
|
|
return 1;
|
|
|
|
src = (BITMAPINFOHEADER *) track->private_data;
|
|
bih = (BITMAPINFOHEADER *) malloc (track->private_size);
|
|
memset (bih, 0, track->private_size);
|
|
bih->biSize = le2me_32 (src->biSize);
|
|
bih->biWidth = le2me_32 (src->biWidth);
|
|
bih->biHeight = le2me_32 (src->biHeight);
|
|
bih->biPlanes = le2me_16 (src->biPlanes);
|
|
bih->biBitCount = le2me_16 (src->biBitCount);
|
|
bih->biCompression = le2me_32 (src->biCompression);
|
|
bih->biSizeImage = le2me_32 (src->biSizeImage);
|
|
bih->biXPelsPerMeter = le2me_32 (src->biXPelsPerMeter);
|
|
bih->biYPelsPerMeter = le2me_32 (src->biYPelsPerMeter);
|
|
bih->biClrUsed = le2me_32 (src->biClrUsed);
|
|
bih->biClrImportant = le2me_32 (src->biClrImportant);
|
|
memcpy((char *) bih + sizeof (BITMAPINFOHEADER),
|
|
(char *) src + sizeof (BITMAPINFOHEADER),
|
|
track->private_size - sizeof (BITMAPINFOHEADER));
|
|
|
|
if (track->v_width == 0)
|
|
track->v_width = bih->biWidth;
|
|
if (track->v_height == 0)
|
|
track->v_height = bih->biHeight;
|
|
}
|
|
else
|
|
{
|
|
bih = (BITMAPINFOHEADER *) malloc (sizeof (BITMAPINFOHEADER));
|
|
memset (bih, 0, sizeof (BITMAPINFOHEADER));
|
|
bih->biSize = sizeof (BITMAPINFOHEADER);
|
|
bih->biWidth = track->v_width;
|
|
bih->biHeight = track->v_height;
|
|
bih->biBitCount = 24;
|
|
bih->biSizeImage = bih->biWidth * bih->biHeight * bih->biBitCount/8;
|
|
|
|
if (track->private_size >= sizeof (real_video_props_t)
|
|
&& (!strcmp (track->codec_id, MKV_V_REALV10)
|
|
|| !strcmp (track->codec_id, MKV_V_REALV20)
|
|
|| !strcmp (track->codec_id, MKV_V_REALV30)
|
|
|| !strcmp (track->codec_id, MKV_V_REALV40)))
|
|
{
|
|
unsigned char *dst, *src;
|
|
real_video_props_t *rvp;
|
|
uint32_t type2;
|
|
|
|
rvp = (real_video_props_t *) track->private_data;
|
|
src = (unsigned char *) (rvp + 1);
|
|
|
|
bih = (BITMAPINFOHEADER *) realloc(bih,
|
|
sizeof (BITMAPINFOHEADER)+12);
|
|
bih->biSize = 48;
|
|
bih->biPlanes = 1;
|
|
type2 = be2me_32 (rvp->type2);
|
|
if (type2 == 0x10003000 || type2 == 0x10003001)
|
|
bih->biCompression=mmioFOURCC('R','V','1','3');
|
|
else
|
|
bih->biCompression=mmioFOURCC('R','V',track->codec_id[9],'0');
|
|
dst = (unsigned char *) (bih + 1);
|
|
((unsigned int *) dst)[0] = be2me_32 (rvp->type1);
|
|
((unsigned int *) dst)[1] = type2;
|
|
|
|
if (bih->biCompression <= 0x30335652 && type2 >= 0x20200002)
|
|
{
|
|
/* read secondary WxH for the cmsg24[] (see vd_realvid.c) */
|
|
((unsigned short *)(bih+1))[4] = 4 * (unsigned short) src[0];
|
|
((unsigned short *)(bih+1))[5] = 4 * (unsigned short) src[1];
|
|
}
|
|
else
|
|
memset(&dst[8], 0, 4);
|
|
track->realmedia = 1;
|
|
|
|
#ifdef USE_QTX_CODECS
|
|
}
|
|
else if (track->private_size >= sizeof (ImageDescription)
|
|
&& !strcmp(track->codec_id, MKV_V_QUICKTIME))
|
|
{
|
|
ImageDescriptionPtr idesc;
|
|
|
|
idesc = (ImageDescriptionPtr) track->private_data;
|
|
idesc->idSize = be2me_32 (idesc->idSize);
|
|
idesc->cType = be2me_32 (idesc->cType);
|
|
idesc->version = be2me_16 (idesc->version);
|
|
idesc->revisionLevel = be2me_16 (idesc->revisionLevel);
|
|
idesc->vendor = be2me_32 (idesc->vendor);
|
|
idesc->temporalQuality = be2me_32 (idesc->temporalQuality);
|
|
idesc->spatialQuality = be2me_32 (idesc->spatialQuality);
|
|
idesc->width = be2me_16 (idesc->width);
|
|
idesc->height = be2me_16 (idesc->height);
|
|
idesc->hRes = be2me_32 (idesc->hRes);
|
|
idesc->vRes = be2me_32 (idesc->vRes);
|
|
idesc->dataSize = be2me_32 (idesc->dataSize);
|
|
idesc->frameCount = be2me_16 (idesc->frameCount);
|
|
idesc->depth = be2me_16 (idesc->depth);
|
|
idesc->clutID = be2me_16 (idesc->clutID);
|
|
bih->biPlanes = 1;
|
|
bih->biCompression = idesc->cType;
|
|
ImageDesc = idesc;
|
|
#endif /* USE_QTX_CODECS */
|
|
|
|
}
|
|
else
|
|
{
|
|
mp_msg (MSGT_DEMUX,MSGL_WARN,"[mkv] Unknown/unsupported CodecID "
|
|
"(%s) or missing/bad CodecPrivate data (track %u).\n",
|
|
track->codec_id, track->tnum);
|
|
free(bih);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
sh_v = new_sh_video (demuxer, track->tnum);
|
|
sh_v->bih = bih;
|
|
sh_v->format = sh_v->bih->biCompression;
|
|
if (track->v_frate == 0.0)
|
|
track->v_frate = 25.0;
|
|
sh_v->fps = track->v_frate;
|
|
sh_v->frametime = 1 / track->v_frate;
|
|
if (!track->realmedia)
|
|
{
|
|
sh_v->disp_w = track->v_width;
|
|
sh_v->disp_h = track->v_height;
|
|
sh_v->aspect = (float)track->v_dwidth / (float)track->v_dheight;
|
|
}
|
|
else
|
|
{
|
|
// vd_realvid.c will set aspect to disp_w/disp_h and rederive
|
|
// disp_w and disp_h from the RealVideo stream contents returned
|
|
// by the Real DLLs. If DisplayWidth/DisplayHeight was not set in
|
|
// the Matroska file then it has already been set to PixelWidth/Height
|
|
// by check_track_information.
|
|
sh_v->disp_w = track->v_dwidth;
|
|
sh_v->disp_h = track->v_dheight;
|
|
}
|
|
sh_v->ImageDesc = ImageDesc;
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] Aspect: %f\n", sh_v->aspect);
|
|
|
|
sh_v->ds = demuxer->video;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
demux_mkv_open_audio (demuxer_t *demuxer, mkv_track_t *track)
|
|
{
|
|
sh_audio_t *sh_a = new_sh_audio(demuxer, track->tnum);
|
|
demux_packet_t *dp;
|
|
int i;
|
|
|
|
sh_a->ds = demuxer->audio;
|
|
sh_a->wf = (WAVEFORMATEX *) malloc (sizeof (WAVEFORMATEX));
|
|
if (track->ms_compat)
|
|
{
|
|
memcpy(sh_a->wf, track->private_data, track->private_size);
|
|
if (track->a_sfreq == 0.0)
|
|
track->a_sfreq = le2me_32 (sh_a->wf->nSamplesPerSec);
|
|
if (track->a_channels == 0)
|
|
track->a_channels = le2me_16 (sh_a->wf->nChannels);
|
|
if (track->a_bps == 0)
|
|
track->a_bps = le2me_16 (sh_a->wf->wBitsPerSample);
|
|
track->a_formattag = le2me_16 (sh_a->wf->wFormatTag);
|
|
}
|
|
else
|
|
{
|
|
memset(sh_a->wf, 0, sizeof (WAVEFORMATEX));
|
|
if (!strcmp(track->codec_id, MKV_A_MP3) ||
|
|
!strcmp(track->codec_id, MKV_A_MP2))
|
|
track->a_formattag = 0x0055;
|
|
else if (!strncmp(track->codec_id, MKV_A_AC3, strlen(MKV_A_AC3)) ||
|
|
!strcmp(track->codec_id, MKV_A_DTS))
|
|
track->a_formattag = 0x2000;
|
|
else if (!strcmp(track->codec_id, MKV_A_PCM) ||
|
|
!strcmp(track->codec_id, MKV_A_PCM_BE))
|
|
track->a_formattag = 0x0001;
|
|
else if (!strcmp(track->codec_id, MKV_A_AAC_2MAIN) ||
|
|
!strncmp(track->codec_id, MKV_A_AAC_2LC,
|
|
strlen(MKV_A_AAC_2LC)) ||
|
|
!strcmp(track->codec_id, MKV_A_AAC_2SSR) ||
|
|
!strcmp(track->codec_id, MKV_A_AAC_4MAIN) ||
|
|
!strncmp(track->codec_id, MKV_A_AAC_4LC,
|
|
strlen(MKV_A_AAC_4LC)) ||
|
|
!strcmp(track->codec_id, MKV_A_AAC_4SSR) ||
|
|
!strcmp(track->codec_id, MKV_A_AAC_4LTP))
|
|
track->a_formattag = mmioFOURCC('M', 'P', '4', 'A');
|
|
else if (!strcmp(track->codec_id, MKV_A_VORBIS))
|
|
{
|
|
unsigned char *c;
|
|
uint32_t offset, length;
|
|
|
|
if (track->private_data == NULL)
|
|
return 1;
|
|
|
|
c = (unsigned char *) track->private_data;
|
|
if (*c != 2)
|
|
{
|
|
mp_msg (MSGT_DEMUX, MSGL_WARN, "[mkv] Vorbis track does not "
|
|
"contain valid headers.\n");
|
|
return 1;
|
|
}
|
|
|
|
offset = 1;
|
|
for (i=0; i < 2; i++)
|
|
{
|
|
length = 0;
|
|
while (c[offset] == (unsigned char) 0xFF
|
|
&& length < track->private_size)
|
|
{
|
|
length += 255;
|
|
offset++;
|
|
}
|
|
if (offset >= (track->private_size - 1))
|
|
{
|
|
mp_msg (MSGT_DEMUX, MSGL_WARN, "[mkv] Vorbis track "
|
|
"does not contain valid headers.\n");
|
|
return 1;
|
|
}
|
|
length += c[offset];
|
|
offset++;
|
|
track->header_sizes[i] = length;
|
|
}
|
|
|
|
track->headers[0] = &c[offset];
|
|
track->headers[1] = &c[offset + track->header_sizes[0]];
|
|
track->headers[2] = &c[offset + track->header_sizes[0] +
|
|
track->header_sizes[1]];
|
|
track->header_sizes[2] = track->private_size - offset
|
|
- track->header_sizes[0] - track->header_sizes[1];
|
|
|
|
track->a_formattag = 0xFFFE;
|
|
}
|
|
else if (!strcmp(track->codec_id, MKV_A_QDMC))
|
|
track->a_formattag = mmioFOURCC('Q', 'D', 'M', 'C');
|
|
else if (!strcmp(track->codec_id, MKV_A_QDMC2))
|
|
track->a_formattag = mmioFOURCC('Q', 'D', 'M', '2');
|
|
else if (!strcmp(track->codec_id, MKV_A_FLAC))
|
|
{
|
|
if (track->private_data == NULL || track->private_size == 0)
|
|
{
|
|
mp_msg (MSGT_DEMUX, MSGL_WARN, "[mkv] FLAC track does not "
|
|
"contain valid headers.\n");
|
|
return 1;
|
|
}
|
|
track->a_formattag = mmioFOURCC ('f', 'L', 'a', 'C');
|
|
}
|
|
else if (track->private_size >= sizeof (real_audio_v4_props_t))
|
|
{
|
|
if (!strcmp(track->codec_id, MKV_A_REAL28))
|
|
track->a_formattag = mmioFOURCC('2', '8', '_', '8');
|
|
else if (!strcmp(track->codec_id, MKV_A_REALATRC))
|
|
track->a_formattag = mmioFOURCC('a', 't', 'r', 'c');
|
|
else if (!strcmp(track->codec_id, MKV_A_REALCOOK))
|
|
track->a_formattag = mmioFOURCC('c', 'o', 'o', 'k');
|
|
else if (!strcmp(track->codec_id, MKV_A_REALDNET))
|
|
track->a_formattag = mmioFOURCC('d', 'n', 'e', 't');
|
|
else if (!strcmp(track->codec_id, MKV_A_REALSIPR))
|
|
track->a_formattag = mmioFOURCC('s', 'i', 'p', 'r');
|
|
}
|
|
else
|
|
{
|
|
mp_msg (MSGT_DEMUX, MSGL_WARN, "[mkv] Unknown/unsupported audio "
|
|
"codec ID '%s' for track %u or missing/faulty private "
|
|
"codec data.\n", track->codec_id, track->tnum);
|
|
free_sh_audio (sh_a);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
sh_a->format = track->a_formattag;
|
|
sh_a->wf->wFormatTag = track->a_formattag;
|
|
sh_a->channels = track->a_channels;
|
|
sh_a->wf->nChannels = track->a_channels;
|
|
sh_a->samplerate = (uint32_t) track->a_sfreq;
|
|
sh_a->wf->nSamplesPerSec = (uint32_t) track->a_sfreq;
|
|
sh_a->samplesize = track->a_bps / 8;
|
|
if (track->a_formattag == 0x0055) /* MP3 || MP2 */
|
|
{
|
|
sh_a->wf->nAvgBytesPerSec = 16000;
|
|
sh_a->wf->nBlockAlign = 1152;
|
|
sh_a->wf->wBitsPerSample = 0;
|
|
sh_a->samplesize = 0;
|
|
}
|
|
else if (!strncmp(track->codec_id, MKV_A_AC3, strlen(MKV_A_AC3)))
|
|
{
|
|
sh_a->wf->nAvgBytesPerSec = 16000;
|
|
sh_a->wf->nBlockAlign = 1536;
|
|
sh_a->wf->wBitsPerSample = 0;
|
|
sh_a->samplesize = 0;
|
|
}
|
|
else if (track->a_formattag == 0x0001) /* PCM || PCM_BE */
|
|
{
|
|
sh_a->wf->nAvgBytesPerSec = sh_a->channels * sh_a->samplerate*2;
|
|
sh_a->wf->nBlockAlign = sh_a->wf->nAvgBytesPerSec;
|
|
sh_a->wf->wBitsPerSample = track->a_bps;
|
|
if (!strcmp(track->codec_id, MKV_A_PCM_BE))
|
|
sh_a->format = mmioFOURCC('t', 'w', 'o', 's');
|
|
}
|
|
else if (!strcmp(track->codec_id, MKV_A_QDMC) ||
|
|
!strcmp(track->codec_id, MKV_A_QDMC2))
|
|
{
|
|
sh_a->wf->wBitsPerSample = track->a_bps;
|
|
sh_a->wf->nAvgBytesPerSec = 16000;
|
|
sh_a->wf->nBlockAlign = 1486;
|
|
track->fix_i_bps = 1;
|
|
track->qt_last_a_pts = 0.0;
|
|
if (track->private_data != NULL)
|
|
{
|
|
sh_a->codecdata=(unsigned char *)malloc(track->private_size);
|
|
memcpy (sh_a->codecdata, track->private_data,
|
|
track->private_size);
|
|
sh_a->codecdata_len = track->private_size;
|
|
}
|
|
}
|
|
else if (track->a_formattag == mmioFOURCC('M', 'P', '4', 'A'))
|
|
{
|
|
int profile, srate_idx;
|
|
|
|
sh_a->wf->nAvgBytesPerSec = 16000;
|
|
sh_a->wf->nBlockAlign = 1024;
|
|
sh_a->wf->wBitsPerSample = 0;
|
|
sh_a->samplesize = 0;
|
|
|
|
/* Recreate the 'private data' */
|
|
/* which faad2 uses in its initialization */
|
|
srate_idx = aac_get_sample_rate_index (sh_a->samplerate);
|
|
if (!strncmp (&track->codec_id[12], "MAIN", 4))
|
|
profile = 0;
|
|
else if (!strncmp (&track->codec_id[12], "LC", 2))
|
|
profile = 1;
|
|
else if (!strncmp (&track->codec_id[12], "SSR", 3))
|
|
profile = 2;
|
|
else
|
|
profile = 3;
|
|
sh_a->codecdata = (unsigned char *) malloc (5);
|
|
sh_a->codecdata[0] = ((profile+1) << 3) | ((srate_idx&0xE) >> 1);
|
|
sh_a->codecdata[1] = ((srate_idx&0x1)<<7)|(track->a_channels<<3);
|
|
|
|
if (strstr(track->codec_id, "SBR") != NULL)
|
|
{
|
|
/* HE-AAC (aka SBR AAC) */
|
|
sh_a->codecdata_len = 5;
|
|
|
|
sh_a->samplerate *= 2;
|
|
sh_a->wf->nSamplesPerSec *= 2;
|
|
srate_idx = aac_get_sample_rate_index(sh_a->samplerate);
|
|
sh_a->codecdata[2] = AAC_SYNC_EXTENSION_TYPE >> 3;
|
|
sh_a->codecdata[3] = ((AAC_SYNC_EXTENSION_TYPE&0x07)<<5) | 5;
|
|
sh_a->codecdata[4] = (1 << 7) | (srate_idx << 3);
|
|
track->default_duration = 1024.0 / (sh_a->samplerate / 2);
|
|
}
|
|
else
|
|
{
|
|
sh_a->codecdata_len = 2;
|
|
track->default_duration = 1024.0 / (float)sh_a->samplerate;
|
|
}
|
|
}
|
|
else if (track->a_formattag == 0xFFFE) /* VORBIS */
|
|
{
|
|
for (i=0; i < 3; i++)
|
|
{
|
|
dp = new_demux_packet (track->header_sizes[i]);
|
|
memcpy (dp->buffer,track->headers[i],track->header_sizes[i]);
|
|
dp->pts = 0;
|
|
dp->flags = 0;
|
|
ds_add_packet (demuxer->audio, dp);
|
|
}
|
|
}
|
|
else if (track->private_size >= sizeof(real_audio_v4_props_t)
|
|
&& !strncmp (track->codec_id, MKV_A_REALATRC, 7))
|
|
{
|
|
/* Common initialization for all RealAudio codecs */
|
|
real_audio_v4_props_t *ra4p;
|
|
real_audio_v5_props_t *ra5p;
|
|
unsigned char *src;
|
|
int codecdata_length, version;
|
|
|
|
ra4p = (real_audio_v4_props_t *) track->private_data;
|
|
ra5p = (real_audio_v5_props_t *) track->private_data;
|
|
|
|
sh_a->wf->wBitsPerSample = sh_a->samplesize * 8;
|
|
sh_a->wf->nAvgBytesPerSec = 0; /* FIXME !? */
|
|
sh_a->wf->nBlockAlign = be2me_16 (ra4p->frame_size);
|
|
|
|
version = be2me_16 (ra4p->version1);
|
|
|
|
if (version == 4)
|
|
{
|
|
src = (unsigned char *) (ra4p + 1);
|
|
src += src[0] + 1;
|
|
src += src[0] + 1;
|
|
}
|
|
else
|
|
src = (unsigned char *) (ra5p + 1);
|
|
|
|
src += 3;
|
|
if (version == 5)
|
|
src++;
|
|
codecdata_length = be2me_32 (*(uint32_t *)src);
|
|
src += 4;
|
|
sh_a->wf->cbSize = 10 + codecdata_length;
|
|
sh_a->wf = (WAVEFORMATEX *) realloc (sh_a->wf,
|
|
sizeof (WAVEFORMATEX) +
|
|
sh_a->wf->cbSize);
|
|
((short *)(sh_a->wf + 1))[0] = be2me_16 (ra4p->sub_packet_size);
|
|
((short *)(sh_a->wf + 1))[1] = be2me_16 (ra4p->sub_packet_h);
|
|
((short *)(sh_a->wf + 1))[2] = be2me_16 (ra4p->flavor);
|
|
((short *)(sh_a->wf + 1))[3] = be2me_32 (ra4p->coded_frame_size);
|
|
((short *)(sh_a->wf + 1))[4] = codecdata_length;
|
|
memcpy(((char *)(sh_a->wf + 1)) + 10, src, codecdata_length);
|
|
|
|
track->realmedia = 1;
|
|
}
|
|
else if (!strcmp(track->codec_id, MKV_A_FLAC) ||
|
|
(track->a_formattag == 0xf1ac))
|
|
{
|
|
unsigned char *ptr;
|
|
int size;
|
|
free(sh_a->wf);
|
|
sh_a->wf = NULL;
|
|
|
|
if (track->a_formattag == mmioFOURCC('f', 'L', 'a', 'C'))
|
|
{
|
|
ptr = (unsigned char *)track->private_data;
|
|
size = track->private_size;
|
|
}
|
|
else
|
|
{
|
|
sh_a->format = mmioFOURCC('f', 'L', 'a', 'C');
|
|
ptr = (unsigned char *) track->private_data
|
|
+ sizeof (WAVEFORMATEX);
|
|
size = track->private_size - sizeof (WAVEFORMATEX);
|
|
}
|
|
if (size < 4 || ptr[0] != 'f' || ptr[1] != 'L' ||
|
|
ptr[2] != 'a' || ptr[3] != 'C')
|
|
{
|
|
dp = new_demux_packet (4);
|
|
memcpy (dp->buffer, "fLaC", 4);
|
|
}
|
|
else
|
|
{
|
|
dp = new_demux_packet (size);
|
|
memcpy (dp->buffer, ptr, size);
|
|
}
|
|
dp->pts = 0;
|
|
dp->flags = 0;
|
|
ds_add_packet (demuxer->audio, dp);
|
|
}
|
|
else
|
|
{
|
|
free_sh_audio (sh_a);
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
demux_mkv_open_sub (demuxer_t *demuxer, mkv_track_t *track)
|
|
{
|
|
if (track->subtitle_type != MATROSKA_SUBTYPE_UNKNOWN)
|
|
{
|
|
if (track->subtitle_type == MATROSKA_SUBTYPE_VOBSUB)
|
|
{
|
|
int m, size = track->private_size;
|
|
uint8_t *buffer;
|
|
m = demux_mkv_decode (track,track->private_data,&buffer,&size,2);
|
|
if (buffer && m)
|
|
{
|
|
free (track->private_data);
|
|
track->private_data = buffer;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
mp_msg (MSGT_DEMUX, MSGL_ERR, "[mkv] Subtitle type '%s' is not "
|
|
"supported.\n", track->codec_id);
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void demux_mkv_seek (demuxer_t *demuxer, float rel_seek_secs, int flags);
|
|
|
|
int
|
|
demux_mkv_open (demuxer_t *demuxer)
|
|
{
|
|
stream_t *s = demuxer->stream;
|
|
mkv_demuxer_t *mkv_d;
|
|
mkv_track_t *track;
|
|
int i, version, cont = 0;
|
|
char *str;
|
|
|
|
#ifdef USE_ICONV
|
|
subcp_open();
|
|
#endif
|
|
|
|
stream_seek(s, s->start_pos);
|
|
str = ebml_read_header (s, &version);
|
|
if (str == NULL || strcmp (str, "matroska") || version > 1)
|
|
{
|
|
mp_msg (MSGT_DEMUX, MSGL_DBG2, "[mkv] no head found\n");
|
|
return 0;
|
|
}
|
|
free (str);
|
|
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] Found the head...\n");
|
|
|
|
if (ebml_read_id (s, NULL) != MATROSKA_ID_SEGMENT)
|
|
{
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] but no segment :(\n");
|
|
return 0;
|
|
}
|
|
ebml_read_length (s, NULL); /* return bytes number until EOF */
|
|
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] + a segment...\n");
|
|
|
|
mkv_d = (mkv_demuxer_t *) malloc (sizeof (mkv_demuxer_t));
|
|
memset (mkv_d, 0, sizeof(mkv_demuxer_t));
|
|
demuxer->priv = mkv_d;
|
|
mkv_d->tc_scale = 1000000;
|
|
mkv_d->segment_start = stream_tell (s);
|
|
mkv_d->parsed_cues = (off_t *) malloc (sizeof (off_t));
|
|
mkv_d->parsed_seekhead = (off_t *) malloc (sizeof (off_t));
|
|
|
|
for (i=0; i < SUB_MAX_TEXT; i++)
|
|
mkv_d->subs.text[i] = (char *) malloc (256);
|
|
|
|
while (!cont)
|
|
{
|
|
switch (ebml_read_id (s, NULL))
|
|
{
|
|
case MATROSKA_ID_INFO:
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] |+ segment information...\n");
|
|
cont = demux_mkv_read_info (demuxer);
|
|
break;
|
|
|
|
case MATROSKA_ID_TRACKS:
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] |+ segment tracks...\n");
|
|
cont = demux_mkv_read_tracks (demuxer);
|
|
break;
|
|
|
|
case MATROSKA_ID_CUES:
|
|
cont = demux_mkv_read_cues (demuxer);
|
|
break;
|
|
|
|
case MATROSKA_ID_TAGS:
|
|
cont = demux_mkv_read_tags (demuxer);
|
|
break;
|
|
|
|
case MATROSKA_ID_SEEKHEAD:
|
|
cont = demux_mkv_read_seekhead (demuxer);
|
|
break;
|
|
|
|
case MATROSKA_ID_CHAPTERS:
|
|
cont = demux_mkv_read_chapters (demuxer);
|
|
break;
|
|
|
|
case MATROSKA_ID_CLUSTER:
|
|
{
|
|
int p, l;
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] |+ found cluster, headers are "
|
|
"parsed completely :)\n");
|
|
/* get the first cluster timecode */
|
|
p = stream_tell(s);
|
|
l = ebml_read_length (s, NULL);
|
|
while (ebml_read_id (s, NULL) != MATROSKA_ID_CLUSTERTIMECODE)
|
|
{
|
|
ebml_read_skip (s, NULL);
|
|
if (stream_tell (s) >= p + l)
|
|
break;
|
|
}
|
|
if (stream_tell (s) < p + l)
|
|
{
|
|
uint64_t num = ebml_read_uint (s, NULL);
|
|
if (num == EBML_UINT_INVALID)
|
|
return 0;
|
|
mkv_d->first_tc = num * mkv_d->tc_scale / 1000000.0;
|
|
mkv_d->has_first_tc = 1;
|
|
}
|
|
stream_seek (s, p - 4);
|
|
cont = 1;
|
|
break;
|
|
}
|
|
|
|
default:
|
|
cont = 1;
|
|
case MATROSKA_ID_ATTACHMENTS:
|
|
case EBML_ID_VOID:
|
|
ebml_read_skip (s, NULL);
|
|
break;
|
|
}
|
|
}
|
|
|
|
display_tracks (mkv_d);
|
|
|
|
/* select video track */
|
|
track = NULL;
|
|
if (demuxer->video->id == -1) /* automatically select a video track */
|
|
{
|
|
/* search for a video track that has the 'default' flag set */
|
|
for (i=0; i<mkv_d->num_tracks; i++)
|
|
if (mkv_d->tracks[i]->type == MATROSKA_TRACK_VIDEO
|
|
&& mkv_d->tracks[i]->default_track)
|
|
{
|
|
track = mkv_d->tracks[i];
|
|
break;
|
|
}
|
|
|
|
if (track == NULL)
|
|
/* no track has the 'default' flag set */
|
|
/* let's take the first video track */
|
|
for (i=0; i<mkv_d->num_tracks; i++)
|
|
if (mkv_d->tracks[i]->type == MATROSKA_TRACK_VIDEO)
|
|
{
|
|
track = mkv_d->tracks[i];
|
|
break;
|
|
}
|
|
}
|
|
else if (demuxer->video->id != -2) /* -2 = no video at all */
|
|
track = demux_mkv_find_track_by_num (mkv_d, demuxer->video->id,
|
|
MATROSKA_TRACK_VIDEO);
|
|
|
|
if (track && !demux_mkv_open_video (demuxer, track))
|
|
{
|
|
mp_msg (MSGT_DEMUX, MSGL_INFO,
|
|
"[mkv] Will play video track %u\n", track->tnum);
|
|
demuxer->video->id = track->tnum;
|
|
demuxer->video->sh = demuxer->v_streams[track->tnum];
|
|
}
|
|
else
|
|
{
|
|
mp_msg (MSGT_DEMUX, MSGL_INFO, "[mkv] No video track found/wanted.\n");
|
|
demuxer->video->id = -2;
|
|
}
|
|
|
|
/* select audio track */
|
|
track = NULL;
|
|
if (demuxer->audio->id == -1) /* automatically select an audio track */
|
|
{
|
|
/* check if the user specified an audio language */
|
|
if (audio_lang != NULL)
|
|
track = demux_mkv_find_track_by_language(mkv_d, audio_lang,
|
|
MATROSKA_TRACK_AUDIO);
|
|
if (track == NULL)
|
|
/* no audio language specified, or language not found */
|
|
/* search for an audio track that has the 'default' flag set */
|
|
for (i=0; i < mkv_d->num_tracks; i++)
|
|
if (mkv_d->tracks[i]->type == MATROSKA_TRACK_AUDIO
|
|
&& mkv_d->tracks[i]->default_track)
|
|
{
|
|
track = mkv_d->tracks[i];
|
|
break;
|
|
}
|
|
|
|
if (track == NULL)
|
|
/* no track has the 'default' flag set */
|
|
/* let's take the first audio track */
|
|
for (i=0; i < mkv_d->num_tracks; i++)
|
|
if (mkv_d->tracks[i]->type == MATROSKA_TRACK_AUDIO)
|
|
{
|
|
track = mkv_d->tracks[i];
|
|
break;
|
|
}
|
|
}
|
|
else if (demuxer->audio->id != -2) /* -2 = no audio at all */
|
|
track = demux_mkv_find_track_by_num (mkv_d, demuxer->audio->id,
|
|
MATROSKA_TRACK_AUDIO);
|
|
|
|
if (track && !demux_mkv_open_audio (demuxer, track))
|
|
{
|
|
mp_msg (MSGT_DEMUX, MSGL_INFO,
|
|
"[mkv] Will play audio track %u\n", track->tnum);
|
|
demuxer->audio->id = track->tnum;
|
|
demuxer->audio->sh = demuxer->a_streams[track->tnum];
|
|
}
|
|
else
|
|
{
|
|
mp_msg (MSGT_DEMUX, MSGL_INFO, "[mkv] No audio track found/wanted.\n");
|
|
demuxer->audio->id = -2;
|
|
}
|
|
|
|
/* DO NOT automatically select a subtitle track and behave like DVD */
|
|
/* playback: only show subtitles if the user explicitely wants them. */
|
|
track = NULL;
|
|
if (demuxer->sub->id >= 0)
|
|
track = demux_mkv_find_track_by_num (mkv_d, demuxer->sub->id,
|
|
MATROSKA_TRACK_SUBTITLE);
|
|
else if (dvdsub_lang != NULL)
|
|
track = demux_mkv_find_track_by_language (mkv_d, dvdsub_lang,
|
|
MATROSKA_TRACK_SUBTITLE);
|
|
|
|
if (track && !demux_mkv_open_sub (demuxer, track))
|
|
{
|
|
mp_msg (MSGT_DEMUX, MSGL_INFO,
|
|
"[mkv] Will display subtitle track %u\n", track->tnum);
|
|
demuxer->sub->id = track->tnum;
|
|
}
|
|
else
|
|
demuxer->sub->id = -2;
|
|
|
|
if (mkv_d->chapters)
|
|
{
|
|
for (i=0; i < (int)mkv_d->num_chapters; i++)
|
|
{
|
|
mkv_d->chapters[i].start -= mkv_d->first_tc;
|
|
mkv_d->chapters[i].end -= mkv_d->first_tc;
|
|
}
|
|
if (dvd_last_chapter > 0 && dvd_last_chapter <= mkv_d->num_chapters)
|
|
{
|
|
if (mkv_d->chapters[dvd_last_chapter-1].end != 0)
|
|
mkv_d->stop_timecode = mkv_d->chapters[dvd_last_chapter-1].end;
|
|
else if (dvd_last_chapter + 1 <= mkv_d->num_chapters)
|
|
mkv_d->stop_timecode = mkv_d->chapters[dvd_last_chapter].start;
|
|
}
|
|
}
|
|
|
|
if (s->end_pos == 0 || (mkv_d->indexes == NULL && index_mode < 0))
|
|
demuxer->seekable = 0;
|
|
else
|
|
{
|
|
demuxer->movi_start = s->start_pos;
|
|
demuxer->movi_end = s->end_pos;
|
|
demuxer->seekable = 1;
|
|
if (mkv_d->chapters && dvd_chapter>1 && dvd_chapter<=mkv_d->num_chapters)
|
|
{
|
|
if (!mkv_d->has_first_tc)
|
|
{
|
|
mkv_d->first_tc = 0;
|
|
mkv_d->has_first_tc = 1;
|
|
}
|
|
demux_mkv_seek (demuxer,
|
|
mkv_d->chapters[dvd_chapter-1].start/1000.0, 1);
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
void
|
|
demux_close_mkv (demuxer_t *demuxer)
|
|
{
|
|
mkv_demuxer_t *mkv_d = (mkv_demuxer_t *) demuxer->priv;
|
|
|
|
if (mkv_d)
|
|
{
|
|
int i;
|
|
if (mkv_d->tracks)
|
|
{
|
|
for (i=0; i<mkv_d->num_tracks; i++)
|
|
{
|
|
if (mkv_d->tracks[i]->codec_id)
|
|
free (mkv_d->tracks[i]->codec_id);
|
|
if (mkv_d->tracks[i]->language)
|
|
free (mkv_d->tracks[i]->language);
|
|
if (mkv_d->tracks[i]->private_data)
|
|
free (mkv_d->tracks[i]->private_data);
|
|
}
|
|
for (i=0; i < SUB_MAX_TEXT; i++)
|
|
if (mkv_d->subs.text[i])
|
|
free (mkv_d->subs.text[i]);
|
|
free (mkv_d->tracks);
|
|
}
|
|
if (mkv_d->indexes)
|
|
free (mkv_d->indexes);
|
|
if (mkv_d->cluster_positions)
|
|
free (mkv_d->cluster_positions);
|
|
if (mkv_d->chapters)
|
|
free (mkv_d->chapters);
|
|
if (mkv_d->parsed_cues)
|
|
free (mkv_d->parsed_cues);
|
|
if (mkv_d->parsed_seekhead)
|
|
free (mkv_d->parsed_seekhead);
|
|
free (mkv_d);
|
|
}
|
|
}
|
|
|
|
static int
|
|
demux_mkv_read_block_lacing (uint8_t *buffer, uint64_t *size,
|
|
uint8_t *laces, uint32_t **all_lace_sizes)
|
|
{
|
|
uint32_t total = 0, *lace_size;
|
|
uint8_t flags;
|
|
int i;
|
|
|
|
*all_lace_sizes = NULL;
|
|
/* lacing flags */
|
|
flags = *buffer++;
|
|
(*size)--;
|
|
|
|
switch ((flags & 0x06) >> 1)
|
|
{
|
|
case 0: /* no lacing */
|
|
*laces = 1;
|
|
lace_size = (uint32_t *)calloc(*laces, sizeof(uint32_t));
|
|
lace_size[0] = *size;
|
|
break;
|
|
|
|
case 1: /* xiph lacing */
|
|
case 2: /* fixed-size lacing */
|
|
case 3: /* EBML lacing */
|
|
*laces = *buffer++;
|
|
(*size)--;
|
|
(*laces)++;
|
|
lace_size = (uint32_t *)calloc(*laces, sizeof(uint32_t));
|
|
|
|
switch ((flags & 0x06) >> 1)
|
|
{
|
|
case 1: /* xiph lacing */
|
|
for (i=0; i < *laces-1; i++)
|
|
{
|
|
lace_size[i] = 0;
|
|
do
|
|
{
|
|
lace_size[i] += *buffer;
|
|
(*size)--;
|
|
} while (*buffer++ == 0xFF);
|
|
total += lace_size[i];
|
|
}
|
|
lace_size[i] = *size - total;
|
|
break;
|
|
|
|
case 2: /* fixed-size lacing */
|
|
for (i=0; i < *laces; i++)
|
|
lace_size[i] = *size / *laces;
|
|
break;
|
|
|
|
case 3: /* EBML lacing */
|
|
{
|
|
int l;
|
|
uint64_t num = ebml_read_vlen_uint (buffer, &l);
|
|
if (num == EBML_UINT_INVALID) {
|
|
free(lace_size);
|
|
return 1;
|
|
}
|
|
buffer += l;
|
|
*size -= l;
|
|
|
|
total = lace_size[0] = num;
|
|
for (i=1; i < *laces-1; i++)
|
|
{
|
|
int64_t snum;
|
|
snum = ebml_read_vlen_int (buffer, &l);
|
|
if (snum == EBML_INT_INVALID) {
|
|
free(lace_size);
|
|
return 1;
|
|
}
|
|
buffer += l;
|
|
*size -= l;
|
|
lace_size[i] = lace_size[i-1] + snum;
|
|
total += lace_size[i];
|
|
}
|
|
lace_size[i] = *size - total;
|
|
break;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
*all_lace_sizes = lace_size;
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
handle_subtitles(demuxer_t *demuxer, mkv_track_t *track, char *block,
|
|
int64_t size, uint64_t block_duration, uint64_t timecode)
|
|
{
|
|
mkv_demuxer_t *mkv_d = (mkv_demuxer_t *) demuxer->priv;
|
|
char *ptr1, *ptr2;
|
|
int state, i;
|
|
|
|
if (block_duration == 0)
|
|
{
|
|
mp_msg (MSGT_DEMUX, MSGL_WARN, "[mkv] Warning: No BlockDuration "
|
|
"for subtitle track found.\n");
|
|
return;
|
|
}
|
|
|
|
ptr1 = block;
|
|
while (ptr1 - block <= size && (*ptr1 == '\n' || *ptr1 == '\r'))
|
|
ptr1++;
|
|
ptr2 = block + size - 1;
|
|
while (ptr2 >= block && (*ptr2 == '\n' || *ptr2 == '\r'))
|
|
{
|
|
*ptr2 = 0;
|
|
ptr2--;
|
|
}
|
|
|
|
if (mkv_d->subs.lines > SUB_MAX_TEXT - 2)
|
|
{
|
|
mp_msg (MSGT_DEMUX, MSGL_WARN, "[mkv] Warning: too many sublines "
|
|
"to render, skipping\n");
|
|
return;
|
|
}
|
|
ptr2 = mkv_d->subs.text[mkv_d->subs.lines];
|
|
state = 0;
|
|
|
|
if (track->subtitle_type == MATROSKA_SUBTYPE_SSA)
|
|
{
|
|
/* Find text section. */
|
|
for (i=0; i < 8 && *ptr1 != '\0'; ptr1++)
|
|
if (*ptr1 == ',')
|
|
i++;
|
|
if (*ptr1 == '\0') /* Broken line? */
|
|
return;
|
|
|
|
/* Load text. */
|
|
while (ptr1 - block < size)
|
|
{
|
|
if (*ptr1 == '{')
|
|
state = 1;
|
|
else if (*ptr1 == '}' && state == 1)
|
|
state = 2;
|
|
|
|
if (state == 0)
|
|
{
|
|
*ptr2++ = *ptr1;
|
|
if (ptr2 - mkv_d->subs.text[mkv_d->subs.lines] >= 255)
|
|
break;
|
|
}
|
|
ptr1++;
|
|
|
|
/* Newline */
|
|
if (*ptr1 == '\\' && ptr1+1-block < size && (*(ptr1+1)|0x20) == 'n')
|
|
{
|
|
mkv_d->clear_subs_at[mkv_d->subs.lines++]
|
|
= timecode + block_duration;
|
|
*ptr2 = '\0';
|
|
if (mkv_d->subs.lines >= SUB_MAX_TEXT)
|
|
{
|
|
mp_msg (MSGT_DEMUX, MSGL_WARN, "[mkv] Warning: too many "
|
|
"sublines to render, skipping\n");
|
|
return;
|
|
}
|
|
ptr2 = mkv_d->subs.text[mkv_d->subs.lines];
|
|
ptr1 += 2;
|
|
}
|
|
|
|
if (state == 2)
|
|
state = 0;
|
|
}
|
|
*ptr2 = '\0';
|
|
}
|
|
else
|
|
{
|
|
while (ptr1 - block != size)
|
|
{
|
|
if (*ptr1 == '\n' || *ptr1 == '\r')
|
|
{
|
|
if (state == 0) /* normal char --> newline */
|
|
{
|
|
*ptr2 = '\0';
|
|
mkv_d->clear_subs_at[mkv_d->subs.lines++]
|
|
= timecode + block_duration;
|
|
if (mkv_d->subs.lines >= SUB_MAX_TEXT)
|
|
{
|
|
mp_msg (MSGT_DEMUX, MSGL_WARN, "[mkv] Warning: too many "
|
|
"sublines to render, skipping\n");
|
|
return;
|
|
}
|
|
ptr2 = mkv_d->subs.text[mkv_d->subs.lines];
|
|
state = 1;
|
|
}
|
|
}
|
|
else if (*ptr1 == '<') /* skip HTML tags */
|
|
state = 2;
|
|
else if (*ptr1 == '>')
|
|
state = 0;
|
|
else if (state != 2) /* normal character */
|
|
{
|
|
state = 0;
|
|
if ((ptr2 - mkv_d->subs.text[mkv_d->subs.lines]) < 255)
|
|
*ptr2++ = *ptr1;
|
|
}
|
|
ptr1++;
|
|
}
|
|
*ptr2 = '\0';
|
|
}
|
|
mkv_d->clear_subs_at[mkv_d->subs.lines++] = timecode + block_duration;
|
|
|
|
#ifdef USE_ICONV
|
|
subcp_recode1 (&mkv_d->subs);
|
|
#endif
|
|
vo_sub = &mkv_d->subs;
|
|
vo_osd_changed (OSDTYPE_SUBTITLE);
|
|
}
|
|
|
|
static void
|
|
clear_subtitles(demuxer_t *demuxer, uint64_t timecode, int clear_all)
|
|
{
|
|
mkv_demuxer_t *mkv_d = (mkv_demuxer_t *) demuxer->priv;
|
|
int i, lines_cut = 0;
|
|
char *tmp;
|
|
|
|
/* Clear all? */
|
|
if (clear_all)
|
|
{
|
|
lines_cut = mkv_d->subs.lines;
|
|
mkv_d->subs.lines = 0;
|
|
if (lines_cut)
|
|
{
|
|
vo_sub = &mkv_d->subs;
|
|
vo_osd_changed (OSDTYPE_SUBTITLE);
|
|
}
|
|
return;
|
|
}
|
|
|
|
/* Clear the subtitles if they're obsolete now. */
|
|
for (i=0; i < mkv_d->subs.lines; i++)
|
|
{
|
|
if (mkv_d->clear_subs_at[i] <= timecode)
|
|
{
|
|
tmp = mkv_d->subs.text[i];
|
|
memmove (mkv_d->subs.text+i, mkv_d->subs.text+i+1,
|
|
(mkv_d->subs.lines-i-1) * sizeof (*mkv_d->subs.text));
|
|
memmove (mkv_d->clear_subs_at+i, mkv_d->clear_subs_at+i+1,
|
|
(mkv_d->subs.lines-i-1) * sizeof (*mkv_d->clear_subs_at));
|
|
mkv_d->subs.text[--mkv_d->subs.lines] = tmp;
|
|
i--;
|
|
lines_cut = 1;
|
|
}
|
|
}
|
|
if (lines_cut)
|
|
{
|
|
vo_sub = &mkv_d->subs;
|
|
vo_osd_changed (OSDTYPE_SUBTITLE);
|
|
}
|
|
}
|
|
|
|
// Taken from demux_real.c. Thanks to the original developpers :)
|
|
#define SKIP_BITS(n) buffer <<= n
|
|
#define SHOW_BITS(n) ((buffer) >> (32 - (n)))
|
|
|
|
static float real_fix_timestamp(mkv_track_t *track, unsigned char *s,
|
|
int timestamp) {
|
|
float v_pts;
|
|
uint32_t buffer = (s[0] << 24) + (s[1] << 16) + (s[2] << 8) + s[3];
|
|
int kf = timestamp;
|
|
int pict_type;
|
|
int orig_kf;
|
|
|
|
if (!strcmp(track->codec_id, MKV_V_REALV30) ||
|
|
!strcmp(track->codec_id, MKV_V_REALV40)) {
|
|
|
|
if (!strcmp(track->codec_id, MKV_V_REALV30)) {
|
|
SKIP_BITS(3);
|
|
pict_type = SHOW_BITS(2);
|
|
SKIP_BITS(2 + 7);
|
|
}else{
|
|
SKIP_BITS(1);
|
|
pict_type = SHOW_BITS(2);
|
|
SKIP_BITS(2 + 7 + 3);
|
|
}
|
|
kf = SHOW_BITS(13); // kf= 2*SHOW_BITS(12);
|
|
orig_kf = kf;
|
|
if (pict_type <= 1) {
|
|
// I frame, sync timestamps:
|
|
track->rv_kf_base = timestamp - kf;
|
|
mp_msg(MSGT_DEMUX, MSGL_V, "\nTS: base=%08X\n", track->rv_kf_base);
|
|
kf = timestamp;
|
|
} else {
|
|
// P/B frame, merge timestamps:
|
|
int tmp = timestamp - track->rv_kf_base;
|
|
kf |= tmp & (~0x1fff); // combine with packet timestamp
|
|
if (kf < (tmp - 4096)) // workaround wrap-around problems
|
|
kf += 8192;
|
|
else if (kf > (tmp + 4096))
|
|
kf -= 8192;
|
|
kf += track->rv_kf_base;
|
|
}
|
|
if (pict_type != 3) { // P || I frame -> swap timestamps
|
|
int tmp = kf;
|
|
kf = track->rv_kf_pts;
|
|
track->rv_kf_pts = tmp;
|
|
}
|
|
mp_msg(MSGT_DEMUX, MSGL_V, "\nTS: %08X -> %08X (%04X) %d %02X %02X %02X "
|
|
"%02X %5d\n", timestamp, kf, orig_kf, pict_type, s[0], s[1], s[2],
|
|
s[3], kf - (int)(1000.0 * track->rv_pts));
|
|
}
|
|
v_pts = kf * 0.001f;
|
|
track->rv_pts = v_pts;
|
|
|
|
return v_pts;
|
|
}
|
|
|
|
static void
|
|
handle_realvideo (demuxer_t *demuxer, mkv_track_t *track, uint8_t *buffer,
|
|
uint32_t size, int block_bref)
|
|
{
|
|
mkv_demuxer_t *mkv_d = (mkv_demuxer_t *) demuxer->priv;
|
|
demux_packet_t *dp;
|
|
dp_hdr_t *hdr;
|
|
uint8_t chunks;
|
|
int isize;
|
|
|
|
chunks = *buffer++;
|
|
isize = --size - (chunks+1)*8;
|
|
dp = new_demux_packet (sizeof (*hdr) + size);
|
|
memcpy (dp->buffer + sizeof(*hdr), buffer + (chunks+1)*8, isize);
|
|
memcpy (dp->buffer + sizeof(*hdr) + isize, buffer, (chunks+1)*8);
|
|
|
|
hdr = (dp_hdr_t *) dp->buffer;
|
|
hdr->len = isize;
|
|
hdr->chunks = chunks;
|
|
hdr->timestamp = mkv_d->last_pts * 1000;
|
|
hdr->chunktab = sizeof(*hdr) + isize;
|
|
|
|
dp->len = sizeof(*hdr) + size;
|
|
if (mkv_d->v_skip_to_keyframe)
|
|
{
|
|
dp->pts = mkv_d->last_pts;
|
|
track->rv_kf_base = 0;
|
|
track->rv_kf_pts = hdr->timestamp;
|
|
}
|
|
else
|
|
dp->pts = real_fix_timestamp (track, dp->buffer + sizeof(*hdr),
|
|
hdr->timestamp);
|
|
dp->pos = demuxer->filepos;
|
|
dp->flags = block_bref ? 0 : 0x10;
|
|
|
|
ds_add_packet(demuxer->video, dp);
|
|
}
|
|
|
|
static void
|
|
handle_realaudio (demuxer_t *demuxer, mkv_track_t *track, uint8_t *buffer,
|
|
uint32_t size, int block_bref)
|
|
{
|
|
mkv_demuxer_t *mkv_d = (mkv_demuxer_t *) demuxer->priv;
|
|
demux_packet_t *dp = new_demux_packet (size);
|
|
|
|
memcpy (dp->buffer, buffer, size);
|
|
if (track->ra_pts == mkv_d->last_pts && !mkv_d->a_skip_to_keyframe)
|
|
dp->pts = 0;
|
|
else
|
|
dp->pts = mkv_d->last_pts;
|
|
track->ra_pts = mkv_d->last_pts;
|
|
|
|
dp->pos = demuxer->filepos;
|
|
dp->flags = block_bref ? 0 : 0x10;
|
|
ds_add_packet (demuxer->audio, dp);
|
|
}
|
|
|
|
static int
|
|
handle_block (demuxer_t *demuxer, uint8_t *block, uint64_t length,
|
|
uint64_t block_duration, int64_t block_bref)
|
|
{
|
|
mkv_demuxer_t *mkv_d = (mkv_demuxer_t *) demuxer->priv;
|
|
mkv_track_t *track = NULL;
|
|
demux_stream_t *ds = NULL;
|
|
uint64_t old_length;
|
|
int64_t tc;
|
|
uint32_t *lace_size;
|
|
uint8_t laces;
|
|
int i, num, tmp, use_this_block = 1;
|
|
float current_pts;
|
|
int16_t time;
|
|
|
|
/* first byte(s): track num */
|
|
num = ebml_read_vlen_uint (block, &tmp);
|
|
block += tmp;
|
|
/* time (relative to cluster time) */
|
|
time = be2me_16 (* (int16_t *) block);
|
|
block += 2;
|
|
length -= tmp + 2;
|
|
old_length = length;
|
|
if (demux_mkv_read_block_lacing (block, &length, &laces, &lace_size))
|
|
return 0;
|
|
block += old_length - length;
|
|
|
|
tc = ((time*mkv_d->tc_scale+mkv_d->cluster_tc) /1000000.0 - mkv_d->first_tc);
|
|
if (tc < 0)
|
|
tc = 0;
|
|
if (mkv_d->stop_timecode > 0 && tc > mkv_d->stop_timecode) {
|
|
free(lace_size);
|
|
return -1;
|
|
}
|
|
current_pts = tc / 1000.0;
|
|
|
|
clear_subtitles(demuxer, tc, 0);
|
|
|
|
for (i=0; i<mkv_d->num_tracks; i++)
|
|
if (mkv_d->tracks[i]->tnum == num)
|
|
track = mkv_d->tracks[i];
|
|
if (num == demuxer->audio->id)
|
|
{
|
|
ds = demuxer->audio;
|
|
|
|
if (mkv_d->a_skip_to_keyframe && block_bref != 0)
|
|
use_this_block = 0;
|
|
else if (mkv_d->v_skip_to_keyframe)
|
|
use_this_block = 0;
|
|
|
|
if (track->fix_i_bps && use_this_block)
|
|
{
|
|
sh_audio_t *sh = (sh_audio_t *) ds->sh;
|
|
|
|
if (block_duration != 0)
|
|
{
|
|
sh->i_bps = length * 1000 / block_duration;
|
|
track->fix_i_bps = 0;
|
|
}
|
|
else if (track->qt_last_a_pts == 0.0)
|
|
track->qt_last_a_pts = current_pts;
|
|
else if(track->qt_last_a_pts != current_pts)
|
|
{
|
|
sh->i_bps = length / (current_pts - track->qt_last_a_pts);
|
|
track->fix_i_bps = 0;
|
|
}
|
|
}
|
|
}
|
|
else if (tc < mkv_d->skip_to_timecode)
|
|
use_this_block = 0;
|
|
else if (num == demuxer->video->id)
|
|
{
|
|
ds = demuxer->video;
|
|
if (mkv_d->v_skip_to_keyframe && block_bref != 0)
|
|
use_this_block = 0;
|
|
}
|
|
else if (num == demuxer->sub->id)
|
|
{
|
|
ds = demuxer->sub;
|
|
if (track->subtitle_type != MATROSKA_SUBTYPE_VOBSUB)
|
|
{
|
|
if (!mkv_d->v_skip_to_keyframe)
|
|
handle_subtitles (demuxer, track, block, length,
|
|
block_duration, tc);
|
|
use_this_block = 0;
|
|
}
|
|
}
|
|
else
|
|
use_this_block = 0;
|
|
|
|
if (use_this_block)
|
|
{
|
|
mkv_d->last_pts = ds->pts = current_pts;
|
|
mkv_d->last_filepos = demuxer->filepos;
|
|
|
|
for (i=0; i < laces; i++)
|
|
{
|
|
if (ds == demuxer->video && track->realmedia)
|
|
handle_realvideo (demuxer, track, block, lace_size[i], block_bref);
|
|
else if (ds == demuxer->audio && track->realmedia)
|
|
handle_realaudio (demuxer, track, block, lace_size[i], block_bref);
|
|
else
|
|
{
|
|
int modified, size = lace_size[i];
|
|
demux_packet_t *dp;
|
|
uint8_t *buffer;
|
|
modified = demux_mkv_decode (track, block, &buffer, &size, 1);
|
|
if (buffer)
|
|
{
|
|
dp = new_demux_packet (size);
|
|
memcpy (dp->buffer, buffer, size);
|
|
if (modified)
|
|
free (buffer);
|
|
dp->flags = block_bref == 0 ? 1 : 0;
|
|
dp->pts = mkv_d->last_pts + i * track->default_duration;
|
|
ds_add_packet (ds, dp);
|
|
}
|
|
}
|
|
block += lace_size[i];
|
|
}
|
|
|
|
if (ds == demuxer->video)
|
|
{
|
|
mkv_d->v_skip_to_keyframe = 0;
|
|
mkv_d->skip_to_timecode = 0;
|
|
}
|
|
else if (ds == demuxer->audio)
|
|
mkv_d->a_skip_to_keyframe = 0;
|
|
|
|
free(lace_size);
|
|
return 1;
|
|
}
|
|
|
|
free(lace_size);
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
demux_mkv_fill_buffer (demuxer_t *demuxer)
|
|
{
|
|
mkv_demuxer_t *mkv_d = (mkv_demuxer_t *) demuxer->priv;
|
|
stream_t *s = demuxer->stream;
|
|
uint64_t l;
|
|
int il, tmp;
|
|
|
|
while (1)
|
|
{
|
|
while (mkv_d->cluster_size > 0)
|
|
{
|
|
uint64_t block_duration = 0, block_length = 0;
|
|
int64_t block_bref = 0;
|
|
uint8_t *block = NULL;
|
|
|
|
while (mkv_d->blockgroup_size > 0)
|
|
{
|
|
switch (ebml_read_id (s, &il))
|
|
{
|
|
case MATROSKA_ID_BLOCKDURATION:
|
|
{
|
|
block_duration = ebml_read_uint (s, &l);
|
|
if (block_duration == EBML_UINT_INVALID)
|
|
return 0;
|
|
break;
|
|
}
|
|
|
|
case MATROSKA_ID_BLOCK:
|
|
block_length = ebml_read_length (s, &tmp);
|
|
block = (uint8_t *) malloc (block_length);
|
|
demuxer->filepos = stream_tell (s);
|
|
if (stream_read (s,block,block_length) != (int) block_length)
|
|
return 0;
|
|
l = tmp + block_length;
|
|
break;
|
|
|
|
case MATROSKA_ID_REFERENCEBLOCK:
|
|
{
|
|
int64_t num = ebml_read_int (s, &l);
|
|
if (num == EBML_INT_INVALID)
|
|
return 0;
|
|
if (num < 0)
|
|
block_bref = num;
|
|
break;
|
|
}
|
|
|
|
case EBML_ID_INVALID:
|
|
return 0;
|
|
|
|
default:
|
|
ebml_read_skip (s, &l);
|
|
break;
|
|
}
|
|
mkv_d->blockgroup_size -= l + il;
|
|
mkv_d->cluster_size -= l + il;
|
|
}
|
|
|
|
if (block)
|
|
{
|
|
int res = handle_block (demuxer, block, block_length,
|
|
block_duration, block_bref);
|
|
free (block);
|
|
if (res < 0)
|
|
return 0;
|
|
if (res)
|
|
return 1;
|
|
}
|
|
|
|
if (mkv_d->cluster_size > 0)
|
|
{
|
|
switch (ebml_read_id (s, &il))
|
|
{
|
|
case MATROSKA_ID_CLUSTERTIMECODE:
|
|
{
|
|
uint64_t num = ebml_read_uint (s, &l);
|
|
if (num == EBML_UINT_INVALID)
|
|
return 0;
|
|
if (!mkv_d->has_first_tc)
|
|
{
|
|
mkv_d->first_tc = num * mkv_d->tc_scale / 1000000.0;
|
|
mkv_d->has_first_tc = 1;
|
|
}
|
|
mkv_d->cluster_tc = num * mkv_d->tc_scale;
|
|
break;
|
|
}
|
|
|
|
case MATROSKA_ID_BLOCKGROUP:
|
|
mkv_d->blockgroup_size = ebml_read_length (s, &tmp);
|
|
l = tmp;
|
|
break;
|
|
|
|
case EBML_ID_INVALID:
|
|
return 0;
|
|
|
|
default:
|
|
ebml_read_skip (s, &l);
|
|
break;
|
|
}
|
|
mkv_d->cluster_size -= l + il;
|
|
}
|
|
}
|
|
|
|
if (ebml_read_id (s, &il) != MATROSKA_ID_CLUSTER)
|
|
return 0;
|
|
add_cluster_position(mkv_d, stream_tell(s)-il);
|
|
mkv_d->cluster_size = ebml_read_length (s, NULL);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
demux_mkv_seek (demuxer_t *demuxer, float rel_seek_secs, int flags)
|
|
{
|
|
if (!(flags & 2)) /* time in secs */
|
|
{
|
|
void resync_audio_stream(sh_audio_t *sh_audio);
|
|
mkv_demuxer_t *mkv_d = (mkv_demuxer_t *) demuxer->priv;
|
|
stream_t *s = demuxer->stream;
|
|
int64_t target_timecode = 0, diff, min_diff=0xFFFFFFFL;
|
|
int i;
|
|
|
|
if (!(flags & 1)) /* relative seek */
|
|
target_timecode = (int64_t) (mkv_d->last_pts * 1000.0);
|
|
target_timecode += (int64_t)(rel_seek_secs * 1000.0);
|
|
if (target_timecode < 0)
|
|
target_timecode = 0;
|
|
|
|
if (mkv_d->indexes == NULL) /* no index was found */
|
|
{
|
|
uint64_t target_filepos, cluster_pos, max_pos;
|
|
|
|
target_filepos = (uint64_t) (target_timecode * mkv_d->last_filepos
|
|
/ (mkv_d->last_pts * 1000.0));
|
|
|
|
max_pos = mkv_d->cluster_positions[mkv_d->num_cluster_pos-1];
|
|
if (target_filepos > max_pos)
|
|
{
|
|
if ((off_t) max_pos > stream_tell (s))
|
|
stream_seek (s, max_pos);
|
|
else
|
|
stream_seek (s, stream_tell (s) + mkv_d->cluster_size);
|
|
/* parse all the clusters upto target_filepos */
|
|
while (!s->eof && stream_tell(s) < (off_t) target_filepos)
|
|
{
|
|
switch (ebml_read_id (s, &i))
|
|
{
|
|
case MATROSKA_ID_CLUSTER:
|
|
add_cluster_position(mkv_d, (uint64_t) stream_tell(s)-i);
|
|
break;
|
|
|
|
case MATROSKA_ID_CUES:
|
|
demux_mkv_read_cues (demuxer);
|
|
break;
|
|
}
|
|
ebml_read_skip (s, NULL);
|
|
}
|
|
if (s->eof)
|
|
stream_reset(s);
|
|
}
|
|
|
|
if (mkv_d->indexes == NULL)
|
|
{
|
|
cluster_pos = mkv_d->cluster_positions[0];
|
|
/* Let's find the nearest cluster */
|
|
for (i=0; i < mkv_d->num_cluster_pos; i++)
|
|
{
|
|
diff = mkv_d->cluster_positions[i] - target_filepos;
|
|
if (rel_seek_secs < 0 && diff < 0 && -diff < min_diff)
|
|
{
|
|
cluster_pos = mkv_d->cluster_positions[i];
|
|
min_diff = -diff;
|
|
}
|
|
else if (rel_seek_secs > 0
|
|
&& (diff < 0 ? -1 * diff : diff) < min_diff)
|
|
{
|
|
cluster_pos = mkv_d->cluster_positions[i];
|
|
min_diff = diff < 0 ? -1 * diff : diff;
|
|
}
|
|
}
|
|
mkv_d->cluster_size = mkv_d->blockgroup_size = 0;
|
|
stream_seek (s, cluster_pos);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
mkv_index_t *index = NULL;
|
|
|
|
/* let's find the entry in the indexes with the smallest */
|
|
/* difference to the wanted timecode. */
|
|
for (i=0; i < mkv_d->num_indexes; i++)
|
|
if (mkv_d->indexes[i].tnum == demuxer->video->id)
|
|
{
|
|
diff = target_timecode - (int64_t) mkv_d->indexes[i].timecode;
|
|
|
|
if ((flags & 1 || target_timecode <= mkv_d->last_pts*1000)
|
|
&& diff >= 0 && diff < min_diff)
|
|
{
|
|
min_diff = diff;
|
|
index = mkv_d->indexes + i;
|
|
}
|
|
else if (target_timecode > mkv_d->last_pts*1000
|
|
&& diff < 0 && -diff < min_diff)
|
|
{
|
|
min_diff = -diff;
|
|
index = mkv_d->indexes + i;
|
|
}
|
|
}
|
|
|
|
if (index) /* We've found an entry. */
|
|
{
|
|
mkv_d->cluster_size = mkv_d->blockgroup_size = 0;
|
|
stream_seek (s, index->filepos);
|
|
}
|
|
}
|
|
|
|
if (demuxer->video->id >= 0)
|
|
mkv_d->v_skip_to_keyframe = 1;
|
|
if (rel_seek_secs > 0.0)
|
|
mkv_d->skip_to_timecode = target_timecode;
|
|
mkv_d->a_skip_to_keyframe = 1;
|
|
|
|
/* Clear subtitles. */
|
|
if (target_timecode <= mkv_d->last_pts * 1000)
|
|
clear_subtitles(demuxer, 0, 1);
|
|
|
|
demux_mkv_fill_buffer(demuxer);
|
|
|
|
if(demuxer->audio->sh != NULL)
|
|
resync_audio_stream((sh_audio_t *) demuxer->audio->sh);
|
|
}
|
|
else if ((demuxer->movi_end <= 0) || !(flags & 1))
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] seek unsupported flags\n");
|
|
else
|
|
{
|
|
void resync_audio_stream(sh_audio_t *sh_audio);
|
|
mkv_demuxer_t *mkv_d = (mkv_demuxer_t *) demuxer->priv;
|
|
stream_t *s = demuxer->stream;
|
|
uint64_t target_filepos;
|
|
mkv_index_t *index = NULL;
|
|
int i;
|
|
|
|
if (mkv_d->indexes == NULL) /* no index was found */
|
|
{ /* I'm lazy... */
|
|
mp_msg (MSGT_DEMUX, MSGL_V, "[mkv] seek unsupported flags\n");
|
|
return;
|
|
}
|
|
|
|
target_filepos = (uint64_t)(demuxer->movi_end * rel_seek_secs);
|
|
for (i=0; i < mkv_d->num_indexes; i++)
|
|
if (mkv_d->indexes[i].tnum == demuxer->video->id)
|
|
if ((index == NULL) ||
|
|
((mkv_d->indexes[i].filepos >= target_filepos) &&
|
|
((index->filepos < target_filepos) ||
|
|
(mkv_d->indexes[i].filepos < index->filepos))))
|
|
index = &mkv_d->indexes[i];
|
|
|
|
if (!index)
|
|
return;
|
|
|
|
mkv_d->cluster_size = mkv_d->blockgroup_size = 0;
|
|
stream_seek (s, index->filepos);
|
|
|
|
if (demuxer->video->id >= 0)
|
|
mkv_d->v_skip_to_keyframe = 1;
|
|
mkv_d->skip_to_timecode = index->timecode;
|
|
mkv_d->a_skip_to_keyframe = 1;
|
|
|
|
/* Clear subtitles. */
|
|
if (index->timecode <= mkv_d->last_pts * 1000)
|
|
clear_subtitles(demuxer, 0, 1);
|
|
|
|
demux_mkv_fill_buffer(demuxer);
|
|
|
|
if(demuxer->audio->sh != NULL)
|
|
resync_audio_stream((sh_audio_t *) demuxer->audio->sh);
|
|
}
|
|
}
|
|
|
|
int
|
|
demux_mkv_control (demuxer_t *demuxer, int cmd, void *arg)
|
|
{
|
|
mkv_demuxer_t *mkv_d = (mkv_demuxer_t *) demuxer->priv;
|
|
|
|
switch (cmd)
|
|
{
|
|
case DEMUXER_CTRL_GET_TIME_LENGTH:
|
|
if (mkv_d->duration == 0)
|
|
return DEMUXER_CTRL_DONTKNOW;
|
|
|
|
*((unsigned long *)arg) = (unsigned long)mkv_d->duration;
|
|
return DEMUXER_CTRL_OK;
|
|
|
|
case DEMUXER_CTRL_GET_PERCENT_POS:
|
|
if (mkv_d->duration == 0)
|
|
{
|
|
if (demuxer->movi_start == demuxer->movi_end)
|
|
return DEMUXER_CTRL_DONTKNOW;
|
|
|
|
*((int *)arg) = (int)((demuxer->filepos - demuxer->movi_start) /
|
|
((demuxer->movi_end-demuxer->movi_start)/100));
|
|
return DEMUXER_CTRL_OK;
|
|
}
|
|
|
|
*((int *) arg) = (int) (100 * mkv_d->last_pts / mkv_d->duration);
|
|
return DEMUXER_CTRL_OK;
|
|
|
|
default:
|
|
return DEMUXER_CTRL_NOTIMPL;
|
|
}
|
|
}
|
|
|
|
#endif /* HAVE_MATROSKA */
|