mkv.cpp
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上传日期:2009-03-27
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- /*****************************************************************************
- * mkv.cpp : matroska demuxer
- *****************************************************************************
- * Copyright (C) 2003-2004 VideoLAN
- * $Id: mkv.cpp 8892 2004-10-02 20:07:35Z hartman $
- *
- * Authors: Laurent Aimar <fenrir@via.ecp.fr>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- *****************************************************************************/
- /*****************************************************************************
- * Preamble
- *****************************************************************************/
- #include <stdlib.h> /* malloc(), free() */
- #include <vlc/vlc.h>
- #ifdef HAVE_TIME_H
- # include <time.h> /* time() */
- #endif
- #include <vlc/input.h>
- #include <codecs.h> /* BITMAPINFOHEADER, WAVEFORMATEX */
- #include "iso_lang.h"
- #include "vlc_meta.h"
- #include <iostream>
- #include <cassert>
- #include <typeinfo>
- /* libebml and matroska */
- #include "ebml/EbmlHead.h"
- #include "ebml/EbmlSubHead.h"
- #include "ebml/EbmlStream.h"
- #include "ebml/EbmlContexts.h"
- #include "ebml/EbmlVersion.h"
- #include "ebml/EbmlVoid.h"
- #include "matroska/FileKax.h"
- #include "matroska/KaxAttachments.h"
- #include "matroska/KaxBlock.h"
- #include "matroska/KaxBlockData.h"
- #include "matroska/KaxChapters.h"
- #include "matroska/KaxCluster.h"
- #include "matroska/KaxClusterData.h"
- #include "matroska/KaxContexts.h"
- #include "matroska/KaxCues.h"
- #include "matroska/KaxCuesData.h"
- #include "matroska/KaxInfo.h"
- #include "matroska/KaxInfoData.h"
- #include "matroska/KaxSeekHead.h"
- #include "matroska/KaxSegment.h"
- #include "matroska/KaxTag.h"
- #include "matroska/KaxTags.h"
- #include "matroska/KaxTagMulti.h"
- #include "matroska/KaxTracks.h"
- #include "matroska/KaxTrackAudio.h"
- #include "matroska/KaxTrackVideo.h"
- #include "matroska/KaxTrackEntryData.h"
- #include "matroska/KaxContentEncoding.h"
- #include "ebml/StdIOCallback.h"
- extern "C" {
- #include "mp4/libmp4.h"
- }
- #ifdef HAVE_ZLIB_H
- # include <zlib.h>
- #endif
- #define MATROSKA_COMPRESSION_NONE 0
- #define MATROSKA_COMPRESSION_ZLIB 1
- using namespace LIBMATROSKA_NAMESPACE;
- using namespace std;
- /*****************************************************************************
- * Module descriptor
- *****************************************************************************/
- static int Open ( vlc_object_t * );
- static void Close( vlc_object_t * );
- vlc_module_begin();
- set_description( _("Matroska stream demuxer" ) );
- set_capability( "demux2", 50 );
- set_callbacks( Open, Close );
- add_bool( "mkv-seek-percent", 1, NULL,
- N_("Seek based on percent not time"),
- N_("Seek based on percent not time"), VLC_TRUE );
- add_shortcut( "mka" );
- add_shortcut( "mkv" );
- vlc_module_end();
- /*****************************************************************************
- * Local prototypes
- *****************************************************************************/
- static int Demux ( demux_t * );
- static int Control( demux_t *, int, va_list );
- static void Seek ( demux_t *, mtime_t i_date, int i_percent );
- #ifdef HAVE_ZLIB_H
- block_t *block_zlib_decompress( vlc_object_t *p_this, block_t *p_in_block ) {
- int result, dstsize, n;
- unsigned char *dst;
- block_t *p_block;
- z_stream d_stream;
- d_stream.zalloc = (alloc_func)0;
- d_stream.zfree = (free_func)0;
- d_stream.opaque = (voidpf)0;
- result = inflateInit(&d_stream);
- if( result != Z_OK )
- {
- msg_Dbg( p_this, "inflateInit() failed. Result: %d", result );
- return NULL;
- }
- d_stream.next_in = (Bytef *)p_in_block->p_buffer;
- d_stream.avail_in = p_in_block->i_buffer;
- n = 0;
- p_block = block_New( p_this, 0 );
- dst = NULL;
- do
- {
- n++;
- p_block = block_Realloc( p_block, 0, n * 1000 );
- dst = (unsigned char *)p_block->p_buffer;
- d_stream.next_out = (Bytef *)&dst[(n - 1) * 1000];
- d_stream.avail_out = 1000;
- result = inflate(&d_stream, Z_NO_FLUSH);
- if( ( result != Z_OK ) && ( result != Z_STREAM_END ) )
- {
- msg_Dbg( p_this, "Zlib decompression failed. Result: %d", result );
- return NULL;
- }
- }
- while( ( d_stream.avail_out == 0 ) && ( d_stream.avail_in != 0 ) &&
- ( result != Z_STREAM_END ) );
- dstsize = d_stream.total_out;
- inflateEnd( &d_stream );
- p_block = block_Realloc( p_block, 0, dstsize );
- p_block->i_buffer = dstsize;
- block_Release( p_in_block );
- return p_block;
- }
- #endif
- /**
- * Helper function to print the mkv parse tree
- */
- static void MkvTree( demux_t *p_this, int i_level, char *psz_format, ... )
- {
- va_list args;
- if( i_level > 9 )
- {
- msg_Err( p_this, "too deep tree" );
- return;
- }
- va_start( args, psz_format );
- static char *psz_foo = "| | | | | | | | | |";
- char *psz_foo2 = (char*)malloc( ( i_level * 4 + 3 + strlen( psz_format ) ) * sizeof(char) );
- strncpy( psz_foo2, psz_foo, 4 * i_level );
- psz_foo2[ 4 * i_level ] = '+';
- psz_foo2[ 4 * i_level + 1 ] = ' ';
- strcpy( &psz_foo2[ 4 * i_level + 2 ], psz_format );
- __msg_GenericVa( VLC_OBJECT(p_this), VLC_MSG_DBG, "mkv", psz_foo2, args );
- free( psz_foo2 );
- va_end( args );
- }
-
- /*****************************************************************************
- * Stream managment
- *****************************************************************************/
- class vlc_stream_io_callback: public IOCallback
- {
- private:
- stream_t *s;
- vlc_bool_t mb_eof;
- public:
- vlc_stream_io_callback( stream_t * );
- virtual uint32 read ( void *p_buffer, size_t i_size);
- virtual void setFilePointer ( int64_t i_offset, seek_mode mode = seek_beginning );
- virtual size_t write ( const void *p_buffer, size_t i_size);
- virtual uint64 getFilePointer ( void );
- virtual void close ( void );
- };
- /*****************************************************************************
- * Ebml Stream parser
- *****************************************************************************/
- class EbmlParser
- {
- public:
- EbmlParser( EbmlStream *es, EbmlElement *el_start );
- ~EbmlParser( void );
- void Up( void );
- void Down( void );
- EbmlElement *Get( void );
- void Keep( void );
- int GetLevel( void );
- private:
- EbmlStream *m_es;
- int mi_level;
- EbmlElement *m_el[10];
- EbmlElement *m_got;
- int mi_user_level;
- vlc_bool_t mb_keep;
- };
- /*****************************************************************************
- * Some functions to manipulate memory
- *****************************************************************************/
- #define GetFOURCC( p ) __GetFOURCC( (uint8_t*)p )
- static vlc_fourcc_t __GetFOURCC( uint8_t *p )
- {
- return VLC_FOURCC( p[0], p[1], p[2], p[3] );
- }
- /*****************************************************************************
- * definitions of structures and functions used by this plugins
- *****************************************************************************/
- typedef struct
- {
- vlc_bool_t b_default;
- vlc_bool_t b_enabled;
- int i_number;
- int i_extra_data;
- uint8_t *p_extra_data;
- char *psz_codec;
- uint64_t i_default_duration;
- float f_timecodescale;
- /* video */
- es_format_t fmt;
- float f_fps;
- es_out_id_t *p_es;
- vlc_bool_t b_inited;
- /* data to be send first */
- int i_data_init;
- uint8_t *p_data_init;
- /* hack : it's for seek */
- vlc_bool_t b_search_keyframe;
- /* informative */
- char *psz_codec_name;
- char *psz_codec_settings;
- char *psz_codec_info_url;
- char *psz_codec_download_url;
-
- /* encryption/compression */
- int i_compression_type;
- } mkv_track_t;
- typedef struct
- {
- int i_track;
- int i_block_number;
- int64_t i_position;
- int64_t i_time;
- vlc_bool_t b_key;
- } mkv_index_t;
- struct demux_sys_t
- {
- vlc_stream_io_callback *in;
- EbmlStream *es;
- EbmlParser *ep;
- /* time scale */
- uint64_t i_timescale;
- /* duration of the segment */
- float f_duration;
- /* all tracks */
- int i_track;
- mkv_track_t *track;
- /* from seekhead */
- int64_t i_cues_position;
- int64_t i_chapters_position;
- int64_t i_tags_position;
- /* current data */
- KaxSegment *segment;
- KaxCluster *cluster;
- mtime_t i_pts;
- vlc_bool_t b_cues;
- int i_index;
- int i_index_max;
- mkv_index_t *index;
- /* info */
- char *psz_muxing_application;
- char *psz_writing_application;
- char *psz_segment_filename;
- char *psz_title;
- char *psz_date_utc;
- vlc_meta_t *meta;
- input_title_t *title;
- };
- #define MKVD_TIMECODESCALE 1000000
- #define MKV_IS_ID( el, C ) ( EbmlId( (*el) ) == C::ClassInfos.GlobalId )
- static void IndexAppendCluster ( demux_t *p_demux, KaxCluster *cluster );
- static char *UTF8ToStr ( const UTFstring &u );
- static void LoadCues ( demux_t * );
- static void InformationCreate ( demux_t * );
- static void ParseInfo( demux_t *, EbmlElement *info );
- static void ParseTracks( demux_t *, EbmlElement *tracks );
- static void ParseSeekHead( demux_t *, EbmlElement *seekhead );
- static void ParseChapters( demux_t *, EbmlElement *chapters );
- /*****************************************************************************
- * Open: initializes matroska demux structures
- *****************************************************************************/
- static int Open( vlc_object_t * p_this )
- {
- demux_t *p_demux = (demux_t*)p_this;
- demux_sys_t *p_sys;
- uint8_t *p_peek;
- int i_track;
- EbmlElement *el = NULL, *el1 = NULL;
- /* peek the begining */
- if( stream_Peek( p_demux->s, &p_peek, 4 ) < 4 )
- {
- msg_Warn( p_demux, "cannot peek" );
- return VLC_EGENERIC;
- }
- /* is a valid file */
- if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
- p_peek[2] != 0xdf || p_peek[3] != 0xa3 )
- {
- msg_Warn( p_demux, "matroska module discarded "
- "(invalid header 0x%.2x%.2x%.2x%.2x)",
- p_peek[0], p_peek[1], p_peek[2], p_peek[3] );
- return VLC_EGENERIC;
- }
- /* Set the demux function */
- p_demux->pf_demux = Demux;
- p_demux->pf_control = Control;
- p_demux->p_sys = p_sys = (demux_sys_t*)malloc(sizeof( demux_sys_t ));
- memset( p_sys, 0, sizeof( demux_sys_t ) );
- p_sys->in = new vlc_stream_io_callback( p_demux->s );
- p_sys->es = new EbmlStream( *p_sys->in );
- p_sys->f_duration = -1;
- p_sys->i_timescale = MKVD_TIMECODESCALE;
- p_sys->i_track = 0;
- p_sys->track = (mkv_track_t*)malloc( sizeof( mkv_track_t ) );
- p_sys->i_pts = 0;
- p_sys->i_cues_position = -1;
- p_sys->i_chapters_position = -1;
- p_sys->i_tags_position = -1;
- p_sys->b_cues = VLC_FALSE;
- p_sys->i_index = 0;
- p_sys->i_index_max = 1024;
- p_sys->index = (mkv_index_t*)malloc( sizeof( mkv_index_t ) *
- p_sys->i_index_max );
- p_sys->psz_muxing_application = NULL;
- p_sys->psz_writing_application = NULL;
- p_sys->psz_segment_filename = NULL;
- p_sys->psz_title = NULL;
- p_sys->psz_date_utc = NULL;;
- p_sys->meta = NULL;
- p_sys->title = NULL;
- if( p_sys->es == NULL )
- {
- msg_Err( p_demux, "failed to create EbmlStream" );
- delete p_sys->in;
- free( p_sys );
- return VLC_EGENERIC;
- }
- /* Find the EbmlHead element */
- el = p_sys->es->FindNextID(EbmlHead::ClassInfos, 0xFFFFFFFFL);
- if( el == NULL )
- {
- msg_Err( p_demux, "cannot find EbmlHead" );
- goto error;
- }
- msg_Dbg( p_demux, "EbmlHead" );
- /* skip it */
- el->SkipData( *p_sys->es, el->Generic().Context );
- delete el;
- /* Find a segment */
- el = p_sys->es->FindNextID( KaxSegment::ClassInfos, 0xFFFFFFFFL);
- if( el == NULL )
- {
- msg_Err( p_demux, "cannot find KaxSegment" );
- goto error;
- }
- MkvTree( p_demux, 0, "Segment" );
- p_sys->segment = (KaxSegment*)el;
- p_sys->cluster = NULL;
- p_sys->ep = new EbmlParser( p_sys->es, el );
- while( ( el1 = p_sys->ep->Get() ) != NULL )
- {
- if( MKV_IS_ID( el1, KaxInfo ) )
- {
- ParseInfo( p_demux, el1 );
- }
- else if( MKV_IS_ID( el1, KaxTracks ) )
- {
- ParseTracks( p_demux, el1 );
- }
- else if( MKV_IS_ID( el1, KaxSeekHead ) )
- {
- ParseSeekHead( p_demux, el1 );
- }
- else if( MKV_IS_ID( el1, KaxCues ) )
- {
- msg_Dbg( p_demux, "| + Cues" );
- }
- else if( MKV_IS_ID( el1, KaxCluster ) )
- {
- msg_Dbg( p_demux, "| + Cluster" );
- p_sys->cluster = (KaxCluster*)el1;
- p_sys->ep->Down();
- /* stop parsing the stream */
- break;
- }
- else if( MKV_IS_ID( el1, KaxAttachments ) )
- {
- msg_Dbg( p_demux, "| + Attachments FIXME TODO (but probably never supported)" );
- }
- else if( MKV_IS_ID( el1, KaxChapters ) )
- {
- msg_Dbg( p_demux, "| + Chapters" );
- ParseChapters( p_demux, el1 );
- }
- else if( MKV_IS_ID( el1, KaxTag ) )
- {
- msg_Dbg( p_demux, "| + Tags FIXME TODO" );
- }
- else
- {
- msg_Dbg( p_demux, "| + Unknown (%s)", typeid(*el1).name() );
- }
- }
- if( p_sys->cluster == NULL )
- {
- msg_Err( p_demux, "cannot find any cluster, damaged file ?" );
- goto error;
- }
- /* *** Load the cue if found *** */
- if( p_sys->i_cues_position >= 0 )
- {
- vlc_bool_t b_seekable;
- stream_Control( p_demux->s, STREAM_CAN_FASTSEEK, &b_seekable );
- if( b_seekable )
- {
- LoadCues( p_demux );
- }
- }
- if( !p_sys->b_cues || p_sys->i_index <= 0 )
- {
- msg_Warn( p_demux, "no cues/empty cues found->seek won't be precise" );
- IndexAppendCluster( p_demux, p_sys->cluster );
- p_sys->b_cues = VLC_FALSE;
- }
- /* add all es */
- msg_Dbg( p_demux, "found %d es", p_sys->i_track );
- for( i_track = 0; i_track < p_sys->i_track; i_track++ )
- {
- #define tk p_sys->track[i_track]
- if( tk.fmt.i_cat == UNKNOWN_ES )
- {
- msg_Warn( p_demux, "invalid track[%d, n=%d]", i_track, tk.i_number );
- tk.p_es = NULL;
- continue;
- }
- if( !strcmp( tk.psz_codec, "V_MS/VFW/FOURCC" ) )
- {
- if( tk.i_extra_data < (int)sizeof( BITMAPINFOHEADER ) )
- {
- msg_Err( p_demux, "missing/invalid BITMAPINFOHEADER" );
- tk.fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
- }
- else
- {
- BITMAPINFOHEADER *p_bih = (BITMAPINFOHEADER*)tk.p_extra_data;
- tk.fmt.video.i_width = GetDWLE( &p_bih->biWidth );
- tk.fmt.video.i_height= GetDWLE( &p_bih->biHeight );
- tk.fmt.i_codec = GetFOURCC( &p_bih->biCompression );
- tk.fmt.i_extra = GetDWLE( &p_bih->biSize ) - sizeof( BITMAPINFOHEADER );
- if( tk.fmt.i_extra > 0 )
- {
- tk.fmt.p_extra = malloc( tk.fmt.i_extra );
- memcpy( tk.fmt.p_extra, &p_bih[1], tk.fmt.i_extra );
- }
- }
- }
- else if( !strcmp( tk.psz_codec, "V_MPEG1" ) ||
- !strcmp( tk.psz_codec, "V_MPEG2" ) )
- {
- tk.fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'v' );
- }
- else if( !strncmp( tk.psz_codec, "V_MPEG4", 7 ) )
- {
- if( !strcmp( tk.psz_codec, "V_MPEG4/MS/V3" ) )
- {
- tk.fmt.i_codec = VLC_FOURCC( 'D', 'I', 'V', '3' );
- }
- else
- {
- tk.fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'v' );
- }
- }
- else if( !strcmp( tk.psz_codec, "V_QUICKTIME" ) )
- {
- MP4_Box_t *p_box = (MP4_Box_t*)malloc( sizeof( MP4_Box_t ) );
- MP4_Stream_t *p_mp4_stream = MP4_MemoryStream( p_demux->s,
- tk.i_extra_data,
- tk.p_extra_data );
- MP4_ReadBoxCommon( p_mp4_stream, p_box );
- MP4_ReadBox_sample_vide( p_mp4_stream, p_box );
- tk.fmt.i_codec = p_box->i_type;
- tk.fmt.video.i_width = p_box->data.p_sample_vide->i_width;
- tk.fmt.video.i_height = p_box->data.p_sample_vide->i_height;
- tk.fmt.i_extra = p_box->data.p_sample_vide->i_qt_image_description;
- tk.fmt.p_extra = malloc( tk.fmt.i_extra );
- memcpy( tk.fmt.p_extra, p_box->data.p_sample_vide->p_qt_image_description, tk.fmt.i_extra );
- MP4_FreeBox_sample_vide( p_box );
- free( p_box );
- free( p_mp4_stream );
- }
- else if( !strcmp( tk.psz_codec, "A_MS/ACM" ) )
- {
- if( tk.i_extra_data < (int)sizeof( WAVEFORMATEX ) )
- {
- msg_Err( p_demux, "missing/invalid WAVEFORMATEX" );
- tk.fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
- }
- else
- {
- WAVEFORMATEX *p_wf = (WAVEFORMATEX*)tk.p_extra_data;
- wf_tag_to_fourcc( GetWLE( &p_wf->wFormatTag ), &tk.fmt.i_codec, NULL );
- tk.fmt.audio.i_channels = GetWLE( &p_wf->nChannels );
- tk.fmt.audio.i_rate = GetDWLE( &p_wf->nSamplesPerSec );
- tk.fmt.i_bitrate = GetDWLE( &p_wf->nAvgBytesPerSec ) * 8;
- tk.fmt.audio.i_blockalign = GetWLE( &p_wf->nBlockAlign );;
- tk.fmt.audio.i_bitspersample = GetWLE( &p_wf->wBitsPerSample );
- tk.fmt.i_extra = GetWLE( &p_wf->cbSize );
- if( tk.fmt.i_extra > 0 )
- {
- tk.fmt.p_extra = malloc( tk.fmt.i_extra );
- memcpy( tk.fmt.p_extra, &p_wf[1], tk.fmt.i_extra );
- }
- }
- }
- else if( !strcmp( tk.psz_codec, "A_MPEG/L3" ) ||
- !strcmp( tk.psz_codec, "A_MPEG/L2" ) ||
- !strcmp( tk.psz_codec, "A_MPEG/L1" ) )
- {
- tk.fmt.i_codec = VLC_FOURCC( 'm', 'p', 'g', 'a' );
- }
- else if( !strcmp( tk.psz_codec, "A_AC3" ) )
- {
- tk.fmt.i_codec = VLC_FOURCC( 'a', '5', '2', ' ' );
- }
- else if( !strcmp( tk.psz_codec, "A_DTS" ) )
- {
- tk.fmt.i_codec = VLC_FOURCC( 'd', 't', 's', ' ' );
- }
- else if( !strcmp( tk.psz_codec, "A_FLAC" ) )
- {
- tk.fmt.i_codec = VLC_FOURCC( 'f', 'l', 'a', 'c' );
- tk.fmt.i_extra = tk.i_extra_data;
- tk.fmt.p_extra = malloc( tk.i_extra_data );
- memcpy( tk.fmt.p_extra,tk.p_extra_data, tk.i_extra_data );
- }
- else if( !strcmp( tk.psz_codec, "A_VORBIS" ) )
- {
- int i, i_offset = 1, i_size[3], i_extra;
- uint8_t *p_extra;
- tk.fmt.i_codec = VLC_FOURCC( 'v', 'o', 'r', 'b' );
- /* Split the 3 headers */
- if( tk.p_extra_data[0] != 0x02 )
- msg_Err( p_demux, "invalid vorbis header" );
- for( i = 0; i < 2; i++ )
- {
- i_size[i] = 0;
- while( i_offset < tk.i_extra_data )
- {
- i_size[i] += tk.p_extra_data[i_offset];
- if( tk.p_extra_data[i_offset++] != 0xff ) break;
- }
- }
- i_size[0] = __MIN(i_size[0], tk.i_extra_data - i_offset);
- i_size[1] = __MIN(i_size[1], tk.i_extra_data -i_offset -i_size[0]);
- i_size[2] = tk.i_extra_data - i_offset - i_size[0] - i_size[1];
- tk.fmt.i_extra = 3 * 2 + i_size[0] + i_size[1] + i_size[2];
- tk.fmt.p_extra = malloc( tk.fmt.i_extra );
- p_extra = (uint8_t *)tk.fmt.p_extra; i_extra = 0;
- for( i = 0; i < 3; i++ )
- {
- *(p_extra++) = i_size[i] >> 8;
- *(p_extra++) = i_size[i] & 0xFF;
- memcpy( p_extra, tk.p_extra_data + i_offset + i_extra,
- i_size[i] );
- p_extra += i_size[i];
- i_extra += i_size[i];
- }
- }
- else if( !strncmp( tk.psz_codec, "A_AAC/MPEG2/", strlen( "A_AAC/MPEG2/" ) ) ||
- !strncmp( tk.psz_codec, "A_AAC/MPEG4/", strlen( "A_AAC/MPEG4/" ) ) )
- {
- int i_profile, i_srate;
- static unsigned int i_sample_rates[] =
- {
- 96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050,
- 16000, 12000, 11025, 8000, 7350, 0, 0, 0
- };
- tk.fmt.i_codec = VLC_FOURCC( 'm', 'p', '4', 'a' );
- /* create data for faad (MP4DecSpecificDescrTag)*/
- if( !strcmp( &tk.psz_codec[12], "MAIN" ) )
- {
- i_profile = 0;
- }
- else if( !strcmp( &tk.psz_codec[12], "LC" ) )
- {
- i_profile = 1;
- }
- else if( !strcmp( &tk.psz_codec[12], "SSR" ) )
- {
- i_profile = 2;
- }
- else
- {
- i_profile = 3;
- }
- for( i_srate = 0; i_srate < 13; i_srate++ )
- {
- if( i_sample_rates[i_srate] == tk.fmt.audio.i_rate )
- {
- break;
- }
- }
- msg_Dbg( p_demux, "profile=%d srate=%d", i_profile, i_srate );
- tk.fmt.i_extra = 2;
- tk.fmt.p_extra = malloc( tk.fmt.i_extra );
- ((uint8_t*)tk.fmt.p_extra)[0] = ((i_profile + 1) << 3) | ((i_srate&0xe) >> 1);
- ((uint8_t*)tk.fmt.p_extra)[1] = ((i_srate & 0x1) << 7) | (tk.fmt.audio.i_channels << 3);
- }
- else if( !strcmp( tk.psz_codec, "A_PCM/INT/BIG" ) ||
- !strcmp( tk.psz_codec, "A_PCM/INT/LIT" ) ||
- !strcmp( tk.psz_codec, "A_PCM/FLOAT/IEEE" ) )
- {
- if( !strcmp( tk.psz_codec, "A_PCM/INT/BIG" ) )
- {
- tk.fmt.i_codec = VLC_FOURCC( 't', 'w', 'o', 's' );
- }
- else
- {
- tk.fmt.i_codec = VLC_FOURCC( 'a', 'r', 'a', 'w' );
- }
- tk.fmt.audio.i_blockalign = ( tk.fmt.audio.i_bitspersample + 7 ) / 8 * tk.fmt.audio.i_channels;
- }
- else if( !strcmp( tk.psz_codec, "S_TEXT/UTF8" ) )
- {
- tk.fmt.i_codec = VLC_FOURCC( 's', 'u', 'b', 't' );
- tk.fmt.subs.psz_encoding = strdup( "UTF-8" );
- }
- else if( !strcmp( tk.psz_codec, "S_TEXT/SSA" ) ||
- !strcmp( tk.psz_codec, "S_TEXT/ASS" ) ||
- !strcmp( tk.psz_codec, "S_SSA" ) ||
- !strcmp( tk.psz_codec, "S_ASS" ))
- {
- tk.fmt.i_codec = VLC_FOURCC( 's', 's', 'a', ' ' );
- tk.fmt.subs.psz_encoding = strdup( "UTF-8" );
- }
- else if( !strcmp( tk.psz_codec, "S_VOBSUB" ) )
- {
- tk.fmt.i_codec = VLC_FOURCC( 's','p','u',' ' );
- if( tk.i_extra_data )
- {
- char *p_start;
- char *p_buf = (char *)malloc( tk.i_extra_data + 1);
- memcpy( p_buf, tk.p_extra_data , tk.i_extra_data );
- p_buf[tk.i_extra_data] = ' ';
-
- p_start = strstr( p_buf, "size:" );
- if( sscanf( p_start, "size: %dx%d",
- &tk.fmt.subs.spu.i_original_frame_width, &tk.fmt.subs.spu.i_original_frame_height ) == 2 )
- {
- msg_Dbg( p_demux, "original frame size vobsubs: %dx%d", tk.fmt.subs.spu.i_original_frame_width, tk.fmt.subs.spu.i_original_frame_height );
- }
- else
- {
- msg_Warn( p_demux, "reading original frame size for vobsub failed" );
- }
- free( p_buf );
- }
- }
- else
- {
- msg_Err( p_demux, "unknow codec id=`%s'", tk.psz_codec );
- tk.fmt.i_codec = VLC_FOURCC( 'u', 'n', 'd', 'f' );
- }
- if( tk.b_default )
- {
- tk.fmt.i_priority = 1000;
- }
- tk.p_es = es_out_Add( p_demux->out, &tk.fmt );
- #undef tk
- }
- /* add information */
- InformationCreate( p_demux );
- return VLC_SUCCESS;
- error:
- delete p_sys->es;
- delete p_sys->in;
- free( p_sys );
- return VLC_EGENERIC;
- }
- /*****************************************************************************
- * Close: frees unused data
- *****************************************************************************/
- static void Close( vlc_object_t *p_this )
- {
- demux_t *p_demux = (demux_t*)p_this;
- demux_sys_t *p_sys = p_demux->p_sys;
- int i_track;
- for( i_track = 0; i_track < p_sys->i_track; i_track++ )
- {
- #define tk p_sys->track[i_track]
- if( tk.fmt.psz_description )
- {
- free( tk.fmt.psz_description );
- }
- if( tk.psz_codec )
- {
- free( tk.psz_codec );
- }
- if( tk.fmt.psz_language )
- {
- free( tk.fmt.psz_language );
- }
- #undef tk
- }
- free( p_sys->track );
- if( p_sys->psz_writing_application )
- {
- free( p_sys->psz_writing_application );
- }
- if( p_sys->psz_muxing_application )
- {
- free( p_sys->psz_muxing_application );
- }
- delete p_sys->segment;
- delete p_sys->ep;
- delete p_sys->es;
- delete p_sys->in;
- free( p_sys );
- }
- /*****************************************************************************
- * Control:
- *****************************************************************************/
- static int Control( demux_t *p_demux, int i_query, va_list args )
- {
- demux_sys_t *p_sys = p_demux->p_sys;
- int64_t *pi64;
- double *pf, f;
- vlc_meta_t **pp_meta;
- switch( i_query )
- {
- case DEMUX_GET_META:
- pp_meta = (vlc_meta_t**)va_arg( args, vlc_meta_t** );
- *pp_meta = vlc_meta_Duplicate( p_sys->meta );
- return VLC_SUCCESS;
- case DEMUX_GET_LENGTH:
- pi64 = (int64_t*)va_arg( args, int64_t * );
- if( p_sys->f_duration > 0.0 )
- {
- *pi64 = (int64_t)(p_sys->f_duration * 1000);
- return VLC_SUCCESS;
- }
- return VLC_EGENERIC;
- case DEMUX_GET_POSITION:
- pf = (double*)va_arg( args, double * );
- *pf = (double)p_sys->in->getFilePointer() / (double)stream_Size( p_demux->s );
- return VLC_SUCCESS;
- case DEMUX_SET_POSITION:
- f = (double)va_arg( args, double );
- Seek( p_demux, -1, (int)(100.0 * f) );
- return VLC_SUCCESS;
- case DEMUX_GET_TIME:
- pi64 = (int64_t*)va_arg( args, int64_t * );
- if( p_sys->f_duration > 0.0 )
- {
- mtime_t i_duration = (mtime_t)( p_sys->f_duration / 1000 );
- /* FIXME */
- *pi64 = (mtime_t)1000000 *
- (mtime_t)i_duration*
- (mtime_t)p_sys->in->getFilePointer() /
- (mtime_t)stream_Size( p_demux->s );
- return VLC_SUCCESS;
- }
- return VLC_EGENERIC;
- case DEMUX_GET_TITLE_INFO:
- if( p_sys->title && p_sys->title->i_seekpoint > 0 )
- {
- input_title_t ***ppp_title = (input_title_t***)va_arg( args, input_title_t*** );
- int *pi_int = (int*)va_arg( args, int* );
- *pi_int = 1;
- *ppp_title = (input_title_t**)malloc( sizeof( input_title_t**) );
- (*ppp_title)[0] = vlc_input_title_Duplicate( p_sys->title );
- return VLC_SUCCESS;
- }
- return VLC_EGENERIC;
- case DEMUX_SET_TITLE:
- if( p_sys->title && p_sys->title->i_seekpoint > 0 )
- {
- return VLC_SUCCESS;
- }
- return VLC_EGENERIC;
- case DEMUX_SET_SEEKPOINT:
- /* FIXME do a better implementation */
- if( p_sys->title && p_sys->title->i_seekpoint > 0 )
- {
- int i_skp = (int)va_arg( args, int );
- Seek( p_demux, (int64_t)p_sys->title->seekpoint[i_skp]->i_time_offset, -1);
- return VLC_SUCCESS;
- }
- return VLC_EGENERIC;
- case DEMUX_SET_TIME:
- case DEMUX_GET_FPS:
- default:
- return VLC_EGENERIC;
- }
- }
- static int BlockGet( demux_t *p_demux, KaxBlock **pp_block, int64_t *pi_ref1, int64_t *pi_ref2, int64_t *pi_duration )
- {
- demux_sys_t *p_sys = p_demux->p_sys;
- *pp_block = NULL;
- *pi_ref1 = -1;
- *pi_ref2 = -1;
- for( ;; )
- {
- EbmlElement *el;
- int i_level;
- if( p_demux->b_die )
- {
- return VLC_EGENERIC;
- }
- el = p_sys->ep->Get();
- i_level = p_sys->ep->GetLevel();
- if( el == NULL && *pp_block != NULL )
- {
- /* update the index */
- #define idx p_sys->index[p_sys->i_index - 1]
- if( p_sys->i_index > 0 && idx.i_time == -1 )
- {
- idx.i_time = (*pp_block)->GlobalTimecode() / (mtime_t)1000;
- idx.b_key = *pi_ref1 == -1 ? VLC_TRUE : VLC_FALSE;
- }
- #undef idx
- return VLC_SUCCESS;
- }
- if( el == NULL )
- {
- if( p_sys->ep->GetLevel() > 1 )
- {
- p_sys->ep->Up();
- continue;
- }
- msg_Warn( p_demux, "EOF" );
- return VLC_EGENERIC;
- }
- /* do parsing */
- if( i_level == 1 )
- {
- if( MKV_IS_ID( el, KaxCluster ) )
- {
- p_sys->cluster = (KaxCluster*)el;
- /* add it to the index */
- if( p_sys->i_index == 0 ||
- ( p_sys->i_index > 0 && p_sys->index[p_sys->i_index - 1].i_position < (int64_t)p_sys->cluster->GetElementPosition() ) )
- {
- IndexAppendCluster( p_demux, p_sys->cluster );
- }
- p_sys->ep->Down();
- }
- else if( MKV_IS_ID( el, KaxCues ) )
- {
- msg_Warn( p_demux, "find KaxCues FIXME" );
- return VLC_EGENERIC;
- }
- else
- {
- msg_Dbg( p_demux, "unknown (%s)", typeid( el ).name() );
- }
- }
- else if( i_level == 2 )
- {
- if( MKV_IS_ID( el, KaxClusterTimecode ) )
- {
- KaxClusterTimecode &ctc = *(KaxClusterTimecode*)el;
- ctc.ReadData( p_sys->es->I_O(), SCOPE_ALL_DATA );
- p_sys->cluster->InitTimecode( uint64( ctc ), p_sys->i_timescale );
- }
- else if( MKV_IS_ID( el, KaxBlockGroup ) )
- {
- p_sys->ep->Down();
- }
- }
- else if( i_level == 3 )
- {
- if( MKV_IS_ID( el, KaxBlock ) )
- {
- *pp_block = (KaxBlock*)el;
- (*pp_block)->ReadData( p_sys->es->I_O() );
- (*pp_block)->SetParent( *p_sys->cluster );
- p_sys->ep->Keep();
- }
- else if( MKV_IS_ID( el, KaxBlockDuration ) )
- {
- KaxBlockDuration &dur = *(KaxBlockDuration*)el;
- dur.ReadData( p_sys->es->I_O() );
- *pi_duration = uint64( dur );
- }
- else if( MKV_IS_ID( el, KaxReferenceBlock ) )
- {
- KaxReferenceBlock &ref = *(KaxReferenceBlock*)el;
- ref.ReadData( p_sys->es->I_O() );
- if( *pi_ref1 == -1 )
- {
- *pi_ref1 = int64( ref );
- }
- else
- {
- *pi_ref2 = int64( ref );
- }
- }
- }
- else
- {
- msg_Err( p_demux, "invalid level = %d", i_level );
- return VLC_EGENERIC;
- }
- }
- }
- static block_t *MemToBlock( demux_t *p_demux, uint8_t *p_mem, int i_mem)
- {
- block_t *p_block;
- if( !(p_block = block_New( p_demux, i_mem ) ) ) return NULL;
- memcpy( p_block->p_buffer, p_mem, i_mem );
- //p_block->i_rate = p_input->stream.control.i_rate;
- return p_block;
- }
- static void BlockDecode( demux_t *p_demux, KaxBlock *block, mtime_t i_pts,
- mtime_t i_duration )
- {
- demux_sys_t *p_sys = p_demux->p_sys;
- int i_track;
- unsigned int i;
- vlc_bool_t b;
- #define tk p_sys->track[i_track]
- for( i_track = 0; i_track < p_sys->i_track; i_track++ )
- {
- if( tk.i_number == block->TrackNum() )
- {
- break;
- }
- }
- if( i_track >= p_sys->i_track )
- {
- msg_Err( p_demux, "invalid track number=%d", block->TrackNum() );
- return;
- }
- es_out_Control( p_demux->out, ES_OUT_GET_ES_STATE, tk.p_es, &b );
- if( !b )
- {
- tk.b_inited = VLC_FALSE;
- return;
- }
- /* First send init data */
- if( !tk.b_inited && tk.i_data_init > 0 )
- {
- block_t *p_init;
- msg_Dbg( p_demux, "sending header (%d bytes)", tk.i_data_init );
- p_init = MemToBlock( p_demux, tk.p_data_init, tk.i_data_init );
- if( p_init ) es_out_Send( p_demux->out, tk.p_es, p_init );
- }
- tk.b_inited = VLC_TRUE;
- for( i = 0; i < block->NumberFrames(); i++ )
- {
- block_t *p_block;
- DataBuffer &data = block->GetBuffer(i);
- p_block = MemToBlock( p_demux, data.Buffer(), data.Size() );
- if( p_block == NULL )
- {
- break;
- }
- #if defined(HAVE_ZLIB_H)
- if( tk.i_compression_type )
- {
- p_block = block_zlib_decompress( VLC_OBJECT(p_demux), p_block );
- }
- #endif
- if( tk.fmt.i_cat != VIDEO_ES )
- p_block->i_dts = p_block->i_pts = i_pts;
- else
- {
- p_block->i_dts = i_pts;
- p_block->i_pts = 0;
- }
- if( tk.fmt.i_cat == SPU_ES && strcmp( tk.psz_codec, "S_VOBSUB" ) )
- {
- p_block->i_length = i_duration * 1000;
- }
- es_out_Send( p_demux->out, tk.p_es, p_block );
- /* use time stamp only for first block */
- i_pts = 0;
- }
- #undef tk
- }
- static void Seek( demux_t *p_demux, mtime_t i_date, int i_percent)
- {
- demux_sys_t *p_sys = p_demux->p_sys;
- KaxBlock *block;
- int64_t i_block_duration;
- int64_t i_block_ref1;
- int64_t i_block_ref2;
- int i_index;
- int i_track_skipping;
- int i_track;
- msg_Dbg( p_demux, "seek request to "I64Fd" (%d%%)", i_date, i_percent );
- if( i_date < 0 && i_percent < 0 )
- {
- return;
- }
- if( i_percent > 100 ) i_percent = 100;
- delete p_sys->ep;
- p_sys->ep = new EbmlParser( p_sys->es, p_sys->segment );
- p_sys->cluster = NULL;
- /* seek without index or without date */
- if( config_GetInt( p_demux, "mkv-seek-percent" ) || !p_sys->b_cues || i_date < 0 )
- {
- int64_t i_pos = i_percent * stream_Size( p_demux->s ) / 100;
- msg_Dbg( p_demux, "inacurate way of seeking" );
- for( i_index = 0; i_index < p_sys->i_index; i_index++ )
- {
- if( p_sys->index[i_index].i_position >= i_pos)
- {
- break;
- }
- }
- if( i_index == p_sys->i_index )
- {
- i_index--;
- }
- p_sys->in->setFilePointer( p_sys->index[i_index].i_position,
- seek_beginning );
- if( p_sys->index[i_index].i_position < i_pos )
- {
- EbmlElement *el;
- msg_Warn( p_demux, "searching for cluster, could take some time" );
- /* search a cluster */
- while( ( el = p_sys->ep->Get() ) != NULL )
- {
- if( MKV_IS_ID( el, KaxCluster ) )
- {
- KaxCluster *cluster = (KaxCluster*)el;
- /* add it to the index */
- IndexAppendCluster( p_demux, cluster );
- if( (int64_t)cluster->GetElementPosition() >= i_pos )
- {
- p_sys->cluster = cluster;
- p_sys->ep->Down();
- break;
- }
- }
- }
- }
- }
- else
- {
- for( i_index = 0; i_index < p_sys->i_index; i_index++ )
- {
- if( p_sys->index[i_index].i_time >= i_date )
- {
- break;
- }
- }
- if( i_index > 0 )
- {
- i_index--;
- }
- msg_Dbg( p_demux, "seek got "I64Fd" (%d%%)",
- p_sys->index[i_index].i_time,
- (int)( 100 * p_sys->index[i_index].i_position /
- stream_Size( p_demux->s ) ) );
- p_sys->in->setFilePointer( p_sys->index[i_index].i_position,
- seek_beginning );
- }
- /* now parse until key frame */
- #define tk p_sys->track[i_track]
- i_track_skipping = 0;
- for( i_track = 0; i_track < p_sys->i_track; i_track++ )
- {
- if( tk.fmt.i_cat == VIDEO_ES )
- {
- tk.b_search_keyframe = VLC_TRUE;
- i_track_skipping++;
- }
- }
- while( i_track_skipping > 0 )
- {
- if( BlockGet( p_demux, &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
- {
- msg_Warn( p_demux, "cannot get block EOF?" );
- return;
- }
- p_sys->i_pts = block->GlobalTimecode() / (mtime_t) 1000 + 1;
- for( i_track = 0; i_track < p_sys->i_track; i_track++ )
- {
- if( tk.i_number == block->TrackNum() )
- {
- break;
- }
- }
- if( i_track < p_sys->i_track )
- {
- if( tk.fmt.i_cat == VIDEO_ES && i_block_ref1 == -1 && tk.b_search_keyframe )
- {
- tk.b_search_keyframe = VLC_FALSE;
- i_track_skipping--;
- }
- if( tk.fmt.i_cat == VIDEO_ES && !tk.b_search_keyframe )
- {
- BlockDecode( p_demux, block, 0, 0 );
- }
- }
- delete block;
- }
- #undef tk
- }
- /*****************************************************************************
- * Demux: reads and demuxes data packets
- *****************************************************************************
- * Returns -1 in case of error, 0 in case of EOF, 1 otherwise
- *****************************************************************************/
- static int Demux( demux_t *p_demux)
- {
- demux_sys_t *p_sys = p_demux->p_sys;
- mtime_t i_start_pts;
- int i_block_count = 0;
- KaxBlock *block;
- int64_t i_block_duration;
- int64_t i_block_ref1;
- int64_t i_block_ref2;
- i_start_pts = -1;
- for( ;; )
- {
- if( BlockGet( p_demux, &block, &i_block_ref1, &i_block_ref2, &i_block_duration ) )
- {
- msg_Warn( p_demux, "cannot get block EOF?" );
- return 0;
- }
- p_sys->i_pts = block->GlobalTimecode() / (mtime_t) 1000 + 1;
- if( p_sys->i_pts > 0 )
- {
- es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_pts );
- }
- BlockDecode( p_demux, block, p_sys->i_pts, i_block_duration );
- delete block;
- i_block_count++;
- if( i_start_pts == -1 )
- {
- i_start_pts = p_sys->i_pts;
- }
- else if( p_sys->i_pts > i_start_pts + (mtime_t)100000 || i_block_count > 5 )
- {
- return 1;
- }
- }
- }
- /*****************************************************************************
- * Stream managment
- *****************************************************************************/
- vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_ )
- {
- s = s_;
- mb_eof = VLC_FALSE;
- }
- uint32 vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
- {
- if( i_size <= 0 || mb_eof )
- {
- return 0;
- }
- return stream_Read( s, p_buffer, i_size );
- }
- void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
- {
- int64_t i_pos;
- switch( mode )
- {
- case seek_beginning:
- i_pos = i_offset;
- break;
- case seek_end:
- i_pos = stream_Size( s ) - i_offset;
- break;
- default:
- i_pos= stream_Tell( s ) + i_offset;
- break;
- }
- if( i_pos < 0 || i_pos >= stream_Size( s ) )
- {
- mb_eof = VLC_TRUE;
- return;
- }
- mb_eof = VLC_FALSE;
- if( stream_Seek( s, i_pos ) )
- {
- mb_eof = VLC_TRUE;
- }
- return;
- }
- size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
- {
- return 0;
- }
- uint64 vlc_stream_io_callback::getFilePointer( void )
- {
- return stream_Tell( s );
- }
- void vlc_stream_io_callback::close( void )
- {
- return;
- }
- /*****************************************************************************
- * Ebml Stream parser
- *****************************************************************************/
- EbmlParser::EbmlParser( EbmlStream *es, EbmlElement *el_start )
- {
- int i;
- m_es = es;
- m_got = NULL;
- m_el[0] = el_start;
- for( i = 1; i < 6; i++ )
- {
- m_el[i] = NULL;
- }
- mi_level = 1;
- mi_user_level = 1;
- mb_keep = VLC_FALSE;
- }
- EbmlParser::~EbmlParser( void )
- {
- int i;
- for( i = 1; i < mi_level; i++ )
- {
- if( !mb_keep )
- {
- delete m_el[i];
- }
- mb_keep = VLC_FALSE;
- }
- }
- void EbmlParser::Up( void )
- {
- if( mi_user_level == mi_level )
- {
- fprintf( stderr," arrrrrrrrrrrrrg Up cannot escape itselfn" );
- }
- mi_user_level--;
- }
- void EbmlParser::Down( void )
- {
- mi_user_level++;
- mi_level++;
- }
- void EbmlParser::Keep( void )
- {
- mb_keep = VLC_TRUE;
- }
- int EbmlParser::GetLevel( void )
- {
- return mi_user_level;
- }
- EbmlElement *EbmlParser::Get( void )
- {
- int i_ulev = 0;
- if( mi_user_level != mi_level )
- {
- return NULL;
- }
- if( m_got )
- {
- EbmlElement *ret = m_got;
- m_got = NULL;
- return ret;
- }
- if( m_el[mi_level] )
- {
- m_el[mi_level]->SkipData( *m_es, m_el[mi_level]->Generic().Context );
- if( !mb_keep )
- {
- delete m_el[mi_level];
- }
- mb_keep = VLC_FALSE;
- }
- m_el[mi_level] = m_es->FindNextElement( m_el[mi_level - 1]->Generic().Context, i_ulev, 0xFFFFFFFFL, true, 1 );
- if( i_ulev > 0 )
- {
- while( i_ulev > 0 )
- {
- if( mi_level == 1 )
- {
- mi_level = 0;
- return NULL;
- }
- delete m_el[mi_level - 1];
- m_got = m_el[mi_level -1] = m_el[mi_level];
- m_el[mi_level] = NULL;
- mi_level--;
- i_ulev--;
- }
- return NULL;
- }
- else if( m_el[mi_level] == NULL )
- {
- fprintf( stderr," m_el[mi_level] == NULLn" );
- }
- return m_el[mi_level];
- }
- /*****************************************************************************
- * Tools
- * * LoadCues : load the cues element and update index
- *
- * * LoadTags : load ... the tags element
- *
- * * InformationCreate : create all information, load tags if present
- *
- *****************************************************************************/
- static void LoadCues( demux_t *p_demux )
- {
- demux_sys_t *p_sys = p_demux->p_sys;
- int64_t i_sav_position = p_sys->in->getFilePointer();
- EbmlParser *ep;
- EbmlElement *el, *cues;
- msg_Dbg( p_demux, "loading cues" );
- p_sys->in->setFilePointer( p_sys->i_cues_position, seek_beginning );
- cues = p_sys->es->FindNextID( KaxCues::ClassInfos, 0xFFFFFFFFL);
- if( cues == NULL )
- {
- msg_Err( p_demux, "cannot load cues (broken seekhead or file)" );
- p_sys->in->setFilePointer( i_sav_position, seek_beginning );
- return;
- }
- ep = new EbmlParser( p_sys->es, cues );
- while( ( el = ep->Get() ) != NULL )
- {
- if( MKV_IS_ID( el, KaxCuePoint ) )
- {
- #define idx p_sys->index[p_sys->i_index]
- idx.i_track = -1;
- idx.i_block_number= -1;
- idx.i_position = -1;
- idx.i_time = 0;
- idx.b_key = VLC_TRUE;
- ep->Down();
- while( ( el = ep->Get() ) != NULL )
- {
- if( MKV_IS_ID( el, KaxCueTime ) )
- {
- KaxCueTime &ctime = *(KaxCueTime*)el;
- ctime.ReadData( p_sys->es->I_O() );
- idx.i_time = uint64( ctime ) * p_sys->i_timescale / (mtime_t)1000;
- }
- else if( MKV_IS_ID( el, KaxCueTrackPositions ) )
- {
- ep->Down();
- while( ( el = ep->Get() ) != NULL )
- {
- if( MKV_IS_ID( el, KaxCueTrack ) )
- {
- KaxCueTrack &ctrack = *(KaxCueTrack*)el;
- ctrack.ReadData( p_sys->es->I_O() );
- idx.i_track = uint16( ctrack );
- }
- else if( MKV_IS_ID( el, KaxCueClusterPosition ) )
- {
- KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
- ccpos.ReadData( p_sys->es->I_O() );
- idx.i_position = p_sys->segment->GetGlobalPosition( uint64( ccpos ) );
- }
- else if( MKV_IS_ID( el, KaxCueBlockNumber ) )
- {
- KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
- cbnum.ReadData( p_sys->es->I_O() );
- idx.i_block_number = uint32( cbnum );
- }
- else
- {
- msg_Dbg( p_demux, " * Unknown (%s)", typeid(*el).name() );
- }
- }
- ep->Up();
- }
- else
- {
- msg_Dbg( p_demux, " * Unknown (%s)", typeid(*el).name() );
- }
- }
- ep->Up();
- #if 0
- msg_Dbg( p_demux, " * added time="I64Fd" pos="I64Fd
- " track=%d bnum=%d", idx.i_time, idx.i_position,
- idx.i_track, idx.i_block_number );
- #endif
- p_sys->i_index++;
- if( p_sys->i_index >= p_sys->i_index_max )
- {
- p_sys->i_index_max += 1024;
- p_sys->index = (mkv_index_t*)realloc( p_sys->index, sizeof( mkv_index_t ) * p_sys->i_index_max );
- }
- #undef idx
- }
- else
- {
- msg_Dbg( p_demux, " * Unknown (%s)", typeid(*el).name() );
- }
- }
- delete ep;
- delete cues;
- p_sys->b_cues = VLC_TRUE;
- msg_Dbg( p_demux, "loading cues done." );
- p_sys->in->setFilePointer( i_sav_position, seek_beginning );
- }
- static void LoadTags( demux_t *p_demux )
- {
- demux_sys_t *p_sys = p_demux->p_sys;
- int64_t i_sav_position = p_sys->in->getFilePointer();
- EbmlParser *ep;
- EbmlElement *el, *tags;
- msg_Dbg( p_demux, "loading tags" );
- p_sys->in->setFilePointer( p_sys->i_tags_position, seek_beginning );
- tags = p_sys->es->FindNextID( KaxTags::ClassInfos, 0xFFFFFFFFL);
- if( tags == NULL )
- {
- msg_Err( p_demux, "cannot load tags (broken seekhead or file)" );
- p_sys->in->setFilePointer( i_sav_position, seek_beginning );
- return;
- }
- msg_Dbg( p_demux, "Tags" );
- ep = new EbmlParser( p_sys->es, tags );
- while( ( el = ep->Get() ) != NULL )
- {
- if( MKV_IS_ID( el, KaxTag ) )
- {
- msg_Dbg( p_demux, "+ Tag" );
- ep->Down();
- while( ( el = ep->Get() ) != NULL )
- {
- if( MKV_IS_ID( el, KaxTagTargets ) )
- {
- msg_Dbg( p_demux, "| + Targets" );
- ep->Down();
- while( ( el = ep->Get() ) != NULL )
- {
- msg_Dbg( p_demux, "| | + Unknown (%s)", typeid( *el ).name() );
- }
- ep->Up();
- }
- else if( MKV_IS_ID( el, KaxTagGeneral ) )
- {
- msg_Dbg( p_demux, "| + General" );
- ep->Down();
- while( ( el = ep->Get() ) != NULL )
- {
- msg_Dbg( p_demux, "| | + Unknown (%s)", typeid( *el ).name() );
- }
- ep->Up();
- }
- else if( MKV_IS_ID( el, KaxTagGenres ) )
- {
- msg_Dbg( p_demux, "| + Genres" );
- ep->Down();
- while( ( el = ep->Get() ) != NULL )
- {
- msg_Dbg( p_demux, "| | + Unknown (%s)", typeid( *el ).name() );
- }
- ep->Up();
- }
- else if( MKV_IS_ID( el, KaxTagAudioSpecific ) )
- {
- msg_Dbg( p_demux, "| + Audio Specific" );
- ep->Down();
- while( ( el = ep->Get() ) != NULL )
- {
- msg_Dbg( p_demux, "| | + Unknown (%s)", typeid( *el ).name() );
- }
- ep->Up();
- }
- else if( MKV_IS_ID( el, KaxTagImageSpecific ) )
- {
- msg_Dbg( p_demux, "| + Images Specific" );
- ep->Down();
- while( ( el = ep->Get() ) != NULL )
- {
- msg_Dbg( p_demux, "| | + Unknown (%s)", typeid( *el ).name() );
- }
- ep->Up();
- }
- else if( MKV_IS_ID( el, KaxTagMultiComment ) )
- {
- msg_Dbg( p_demux, "| + Multi Comment" );
- }
- else if( MKV_IS_ID( el, KaxTagMultiCommercial ) )
- {
- msg_Dbg( p_demux, "| + Multi Commercial" );
- }
- else if( MKV_IS_ID( el, KaxTagMultiDate ) )
- {
- msg_Dbg( p_demux, "| + Multi Date" );
- }
- else if( MKV_IS_ID( el, KaxTagMultiEntity ) )
- {
- msg_Dbg( p_demux, "| + Multi Entity" );
- }
- else if( MKV_IS_ID( el, KaxTagMultiIdentifier ) )
- {
- msg_Dbg( p_demux, "| + Multi Identifier" );
- }
- else if( MKV_IS_ID( el, KaxTagMultiLegal ) )
- {
- msg_Dbg( p_demux, "| + Multi Legal" );
- }
- else if( MKV_IS_ID( el, KaxTagMultiTitle ) )
- {
- msg_Dbg( p_demux, "| + Multi Title" );
- }
- else
- {
- msg_Dbg( p_demux, "| + Unknown (%s)", typeid( *el ).name() );
- }
- }
- ep->Up();
- }
- else
- {
- msg_Dbg( p_demux, "+ Unknown (%s)", typeid( *el ).name() );
- }
- }
- delete ep;
- delete tags;
- msg_Dbg( p_demux, "loading tags done." );
- p_sys->in->setFilePointer( i_sav_position, seek_beginning );
- }
- /*****************************************************************************
- * ParseInfo:
- *****************************************************************************/
- static void ParseSeekHead( demux_t *p_demux, EbmlElement *seekhead )
- {
- demux_sys_t *p_sys = p_demux->p_sys;
- EbmlElement *el;
- EbmlMaster *m;
- unsigned int i;
- int i_upper_level = 0;
- msg_Dbg( p_demux, "| + Seek head" );
- /* Master elements */
- m = static_cast<EbmlMaster *>(seekhead);
- m->Read( *p_sys->es, seekhead->Generic().Context, i_upper_level, el, true );
- for( i = 0; i < m->ListSize(); i++ )
- {
- EbmlElement *l = (*m)[i];
- if( MKV_IS_ID( l, KaxSeek ) )
- {
- EbmlMaster *sk = static_cast<EbmlMaster *>(l);
- EbmlId id = EbmlVoid::ClassInfos.GlobalId;
- int64_t i_pos = -1;
- unsigned int j;
- for( j = 0; j < sk->ListSize(); j++ )
- {
- EbmlElement *l = (*sk)[j];
- if( MKV_IS_ID( l, KaxSeekID ) )
- {
- KaxSeekID &sid = *(KaxSeekID*)l;
- id = EbmlId( sid.GetBuffer(), sid.GetSize() );
- }
- else if( MKV_IS_ID( l, KaxSeekPosition ) )
- {
- KaxSeekPosition &spos = *(KaxSeekPosition*)l;
- i_pos = uint64( spos );
- }
- else
- {
- msg_Dbg( p_demux, "| | | + Unknown (%s)", typeid(*l).name() );
- }
- }
- if( i_pos >= 0 )
- {
- if( id == KaxCues::ClassInfos.GlobalId )
- {
- msg_Dbg( p_demux, "| | | = cues at "I64Fd, i_pos );
- p_sys->i_cues_position = p_sys->segment->GetGlobalPosition( i_pos );
- }
- else if( id == KaxChapters::ClassInfos.GlobalId )
- {
- msg_Dbg( p_demux, "| | | = chapters at "I64Fd, i_pos );
- p_sys->i_chapters_position = p_sys->segment->GetGlobalPosition( i_pos );
- }
- else if( id == KaxTags::ClassInfos.GlobalId )
- {
- msg_Dbg( p_demux, "| | | = tags at "I64Fd, i_pos );
- p_sys->i_tags_position = p_sys->segment->GetGlobalPosition( i_pos );
- }
- }
- }
- else
- {
- msg_Dbg( p_demux, "| | + Unknown (%s)", typeid(*l).name() );
- }
- }
- }
- /*****************************************************************************
- * ParseTracks:
- *****************************************************************************/
- static void ParseTrackEntry( demux_t *p_demux, EbmlMaster *m )
- {
- demux_sys_t *p_sys = p_demux->p_sys;
- unsigned int i;
- mkv_track_t *tk;
- msg_Dbg( p_demux, "| | + Track Entry" );
- p_sys->i_track++;
- p_sys->track = (mkv_track_t*)realloc( p_sys->track, sizeof( mkv_track_t ) * (p_sys->i_track + 1 ) );
- /* Init the track */
- tk = &p_sys->track[p_sys->i_track - 1];
- memset( tk, 0, sizeof( mkv_track_t ) );
- es_format_Init( &tk->fmt, UNKNOWN_ES, 0 );
- tk->fmt.psz_language = strdup("English");
- tk->fmt.psz_description = NULL;
- tk->b_default = VLC_TRUE;
- tk->b_enabled = VLC_TRUE;
- tk->i_number = p_sys->i_track - 1;
- tk->i_extra_data = 0;
- tk->p_extra_data = NULL;
- tk->psz_codec = NULL;
- tk->i_default_duration = 0;
- tk->f_timecodescale = 1.0;
- tk->b_inited = VLC_FALSE;
- tk->i_data_init = 0;
- tk->p_data_init = NULL;
- tk->psz_codec_name = NULL;
- tk->psz_codec_settings = NULL;
- tk->psz_codec_info_url = NULL;
- tk->psz_codec_download_url = NULL;
-
- tk->i_compression_type = MATROSKA_COMPRESSION_NONE;
- for( i = 0; i < m->ListSize(); i++ )
- {
- EbmlElement *l = (*m)[i];
- if( MKV_IS_ID( l, KaxTrackNumber ) )
- {
- KaxTrackNumber &tnum = *(KaxTrackNumber*)l;
- tk->i_number = uint32( tnum );
- msg_Dbg( p_demux, "| | | + Track Number=%u", uint32( tnum ) );
- }
- else if( MKV_IS_ID( l, KaxTrackUID ) )
- {
- KaxTrackUID &tuid = *(KaxTrackUID*)l;
- msg_Dbg( p_demux, "| | | + Track UID=%u", uint32( tuid ) );
- }
- else if( MKV_IS_ID( l, KaxTrackType ) )
- {
- char *psz_type;
- KaxTrackType &ttype = *(KaxTrackType*)l;
- switch( uint8(ttype) )
- {
- case track_audio:
- psz_type = "audio";
- tk->fmt.i_cat = AUDIO_ES;
- break;
- case track_video:
- psz_type = "video";
- tk->fmt.i_cat = VIDEO_ES;
- break;
- case track_subtitle:
- psz_type = "subtitle";
- tk->fmt.i_cat = SPU_ES;
- break;
- default:
- psz_type = "unknown";
- tk->fmt.i_cat = UNKNOWN_ES;
- break;
- }
- msg_Dbg( p_demux, "| | | + Track Type=%s", psz_type );
- }
- // else if( EbmlId( *l ) == KaxTrackFlagEnabled::ClassInfos.GlobalId )
- // {
- // KaxTrackFlagEnabled &fenb = *(KaxTrackFlagEnabled*)l;
- // tk->b_enabled = uint32( fenb );
- // msg_Dbg( p_demux, "| | | + Track Enabled=%u",
- // uint32( fenb ) );
- // }
- else if( MKV_IS_ID( l, KaxTrackFlagDefault ) )
- {
- KaxTrackFlagDefault &fdef = *(KaxTrackFlagDefault*)l;
- tk->b_default = uint32( fdef );
- msg_Dbg( p_demux, "| | | + Track Default=%u", uint32( fdef ) );
- }
- else if( MKV_IS_ID( l, KaxTrackFlagLacing ) )
- {
- KaxTrackFlagLacing &lac = *(KaxTrackFlagLacing*)l;
- msg_Dbg( p_demux, "| | | + Track Lacing=%d", uint32( lac ) );
- }
- else if( MKV_IS_ID( l, KaxTrackMinCache ) )
- {
- KaxTrackMinCache &cmin = *(KaxTrackMinCache*)l;
- msg_Dbg( p_demux, "| | | + Track MinCache=%d", uint32( cmin ) );
- }
- else if( MKV_IS_ID( l, KaxTrackMaxCache ) )
- {
- KaxTrackMaxCache &cmax = *(KaxTrackMaxCache*)l;
- msg_Dbg( p_demux, "| | | + Track MaxCache=%d", uint32( cmax ) );
- }
- else if( MKV_IS_ID( l, KaxTrackDefaultDuration ) )
- {
- KaxTrackDefaultDuration &defd = *(KaxTrackDefaultDuration*)l;
- tk->i_default_duration = uint64(defd);
- msg_Dbg( p_demux, "| | | + Track Default Duration="I64Fd, uint64(defd) );
- }
- else if( MKV_IS_ID( l, KaxTrackTimecodeScale ) )
- {
- KaxTrackTimecodeScale &ttcs = *(KaxTrackTimecodeScale*)l;
- tk->f_timecodescale = float( ttcs );
- msg_Dbg( p_demux, "| | | + Track TimeCodeScale=%f", tk->f_timecodescale );
- }
- else if( MKV_IS_ID( l, KaxTrackName ) )
- {
- KaxTrackName &tname = *(KaxTrackName*)l;
- tk->fmt.psz_description = UTF8ToStr( UTFstring( tname ) );
- msg_Dbg( p_demux, "| | | + Track Name=%s", tk->fmt.psz_description );
- }
- else if( MKV_IS_ID( l, KaxTrackLanguage ) )
- {
- KaxTrackLanguage &lang = *(KaxTrackLanguage*)l;
- tk->fmt.psz_language = strdup( string( lang ).c_str() );
- msg_Dbg( p_demux,
- "| | | + Track Language=`%s'", tk->fmt.psz_language );
- }
- else if( MKV_IS_ID( l, KaxCodecID ) )
- {
- KaxCodecID &codecid = *(KaxCodecID*)l;
- tk->psz_codec = strdup( string( codecid ).c_str() );
- msg_Dbg( p_demux, "| | | + Track CodecId=%s", string( codecid ).c_str() );
- }
- else if( MKV_IS_ID( l, KaxCodecPrivate ) )
- {
- KaxCodecPrivate &cpriv = *(KaxCodecPrivate*)l;
- tk->i_extra_data = cpriv.GetSize();
- if( tk->i_extra_data > 0 )
- {
- tk->p_extra_data = (uint8_t*)malloc( tk->i_extra_data );
- memcpy( tk->p_extra_data, cpriv.GetBuffer(), tk->i_extra_data );
- }
- msg_Dbg( p_demux, "| | | + Track CodecPrivate size="I64Fd, cpriv.GetSize() );
- }
- else if( MKV_IS_ID( l, KaxCodecName ) )
- {
- KaxCodecName &cname = *(KaxCodecName*)l;
- tk->psz_codec_name = UTF8ToStr( UTFstring( cname ) );
- msg_Dbg( p_demux, "| | | + Track Codec Name=%s", tk->psz_codec_name );
- }
- else if( MKV_IS_ID( l, KaxContentEncodings ) )
- {
- EbmlMaster *cencs = static_cast<EbmlMaster*>(l);
- MkvTree( p_demux, 3, "Content Encodings" );
- for( unsigned int i = 0; i < cencs->ListSize(); i++ )
- {
- EbmlElement *l2 = (*cencs)[i];
- if( MKV_IS_ID( l2, KaxContentEncoding ) )
- {
- MkvTree( p_demux, 4, "Content Encoding" );
- EbmlMaster *cenc = static_cast<EbmlMaster*>(l2);
- for( unsigned int i = 0; i < cenc->ListSize(); i++ )
- {
- EbmlElement *l3 = (*cenc)[i];
- if( MKV_IS_ID( l3, KaxContentEncodingOrder ) )
- {
- KaxContentEncodingOrder &encord = *(KaxContentEncodingOrder*)l3;
- MkvTree( p_demux, 5, "Order: %i", uint32( encord ) );
- }
- else if( MKV_IS_ID( l3, KaxContentEncodingScope ) )
- {
- KaxContentEncodingScope &encscope = *(KaxContentEncodingScope*)l3;
- MkvTree( p_demux, 5, "Scope: %i", uint32( encscope ) );
- }
- else if( MKV_IS_ID( l3, KaxContentEncodingType ) )
- {
- KaxContentEncodingType &enctype = *(KaxContentEncodingType*)l3;
- MkvTree( p_demux, 5, "Type: %i", uint32( enctype ) );
- }
- else if( MKV_IS_ID( l3, KaxContentCompression ) )
- {
- EbmlMaster *compr = static_cast<EbmlMaster*>(l3);
- MkvTree( p_demux, 5, "Content Compression" );
- for( unsigned int i = 0; i < compr->ListSize(); i++ )
- {
- EbmlElement *l4 = (*compr)[i];
- if( MKV_IS_ID( l4, KaxContentCompAlgo ) )
- {
- KaxContentCompAlgo &compalg = *(KaxContentCompAlgo*)l4;
- MkvTree( p_demux, 6, "Compression Algorithm: %i", uint32(compalg) );
- if( uint32( compalg ) == 0 )
- {
- tk->i_compression_type = MATROSKA_COMPRESSION_ZLIB;
- }
- }
- else
- {
- MkvTree( p_demux, 6, "Unknown (%s)", typeid(*l4).name() );
- }
- }
- }
- else
- {
- MkvTree( p_demux, 5, "Unknown (%s)", typeid(*l3).name() );
- }
- }
-
- }
- else
- {
- MkvTree( p_demux, 4, "Unknown (%s)", typeid(*l2).name() );
- }
- }
-
- }
- // else if( EbmlId( *l ) == KaxCodecSettings::ClassInfos.GlobalId )
- // {
- // KaxCodecSettings &cset = *(KaxCodecSettings*)l;
- // tk->psz_codec_settings = UTF8ToStr( UTFstring( cset ) );
- // msg_Dbg( p_demux, "| | | + Track Codec Settings=%s", tk->psz_codec_settings );
- // }
- // else if( EbmlId( *l ) == KaxCodecInfoURL::ClassInfos.GlobalId )
- // {
- // KaxCodecInfoURL &ciurl = *(KaxCodecInfoURL*)l;
- // tk->psz_codec_info_url = strdup( string( ciurl ).c_str() );
- // msg_Dbg( p_demux, "| | | + Track Codec Info URL=%s", tk->psz_codec_info_url );
- // }
- // else if( EbmlId( *l ) == KaxCodecDownloadURL::ClassInfos.GlobalId )
- // {
- // KaxCodecDownloadURL &cdurl = *(KaxCodecDownloadURL*)l;
- // tk->psz_codec_download_url = strdup( string( cdurl ).c_str() );
- // msg_Dbg( p_demux, "| | | + Track Codec Info URL=%s", tk->psz_codec_download_url );
- // }
- // else if( EbmlId( *l ) == KaxCodecDecodeAll::ClassInfos.GlobalId )
- // {
- // KaxCodecDecodeAll &cdall = *(KaxCodecDecodeAll*)l;
- // msg_Dbg( p_demux, "| | | + Track Codec Decode All=%u <== UNUSED", uint8( cdall ) );
- // }
- // else if( EbmlId( *l ) == KaxTrackOverlay::ClassInfos.GlobalId )
- // {
- // KaxTrackOverlay &tovr = *(KaxTrackOverlay*)l;
- // msg_Dbg( p_demux, "| | | + Track Overlay=%u <== UNUSED", uint32( tovr ) );
- // }
- else if( MKV_IS_ID( l, KaxTrackVideo ) )
- {
- EbmlMaster *tkv = static_cast<EbmlMaster*>(l);
- unsigned int j;
- msg_Dbg( p_demux, "| | | + Track Video" );
- tk->f_fps = 0.0;
- for( j = 0; j < tkv->ListSize(); j++ )
- {
- EbmlElement *l = (*tkv)[j];
- // if( EbmlId( *el4 ) == KaxVideoFlagInterlaced::ClassInfos.GlobalId )
- // {
- // KaxVideoFlagInterlaced &fint = *(KaxVideoFlagInterlaced*)el4;
- // msg_Dbg( p_demux, "| | | | + Track Video Interlaced=%u", uint8( fint ) );
- // }
- // else if( EbmlId( *el4 ) == KaxVideoStereoMode::ClassInfos.GlobalId )
- // {
- // KaxVideoStereoMode &stereo = *(KaxVideoStereoMode*)el4;
- // msg_Dbg( p_demux, "| | | | + Track Video Stereo Mode=%u", uint8( stereo ) );
- // }
- // else
- if( MKV_IS_ID( l, KaxVideoPixelWidth ) )
- {
- KaxVideoPixelWidth &vwidth = *(KaxVideoPixelWidth*)l;
- tk->fmt.video.i_width = uint16( vwidth );
- msg_Dbg( p_demux, "| | | | + width=%d", uint16( vwidth ) );
- }
- else if( MKV_IS_ID( l, KaxVideoPixelHeight ) )
- {
- KaxVideoPixelWidth &vheight = *(KaxVideoPixelWidth*)l;
- tk->fmt.video.i_height = uint16( vheight );
- msg_Dbg( p_demux, "| | | | + height=%d", uint16( vheight ) );
- }
- else if( MKV_IS_ID( l, KaxVideoDisplayWidth ) )
- {
- KaxVideoDisplayWidth &vwidth = *(KaxVideoDisplayWidth*)l;
- tk->fmt.video.i_visible_width = uint16( vwidth );
- msg_Dbg( p_demux, "| | | | + display width=%d", uint16( vwidth ) );
- }
- else if( MKV_IS_ID( l, KaxVideoDisplayHeight ) )
- {
- KaxVideoDisplayWidth &vheight = *(KaxVideoDisplayWidth*)l;
- tk->fmt.video.i_visible_height = uint16( vheight );
- msg_Dbg( p_demux, "| | | | + display height=%d", uint16( vheight ) );
- }
- else if( MKV_IS_ID( l, KaxVideoFrameRate ) )
- {
- KaxVideoFrameRate &vfps = *(KaxVideoFrameRate*)l;
- tk->f_fps = float( vfps );
- msg_Dbg( p_demux, " | | | + fps=%f", float( vfps ) );
- }
- // else if( EbmlId( *l ) == KaxVideoDisplayUnit::ClassInfos.GlobalId )
- // {
- // KaxVideoDisplayUnit &vdmode = *(KaxVideoDisplayUnit*)l;
- // msg_Dbg( p_demux, "| | | | + Track Video Display Unit=%s",
- // uint8( vdmode ) == 0 ? "pixels" : ( uint8( vdmode ) == 1 ? "centimeters": "inches" ) );
- // }
- // else if( EbmlId( *l ) == KaxVideoAspectRatio::ClassInfos.GlobalId )
- // {
- // KaxVideoAspectRatio &ratio = *(KaxVideoAspectRatio*)l;
- // msg_Dbg( p_demux, " | | | + Track Video Aspect Ratio Type=%u", uint8( ratio ) );
- // }
- // else if( EbmlId( *l ) == KaxVideoGamma::ClassInfos.GlobalId )
- // {
- // KaxVideoGamma &gamma = *(KaxVideoGamma*)l;
- // msg_Dbg( p_demux, " | | | + fps=%f", float( gamma ) );
- // }
- else
- {
- msg_Dbg( p_demux, "| | | | + Unknown (%s)", typeid(*l).name() );
- }
- }
- }
- else if( MKV_IS_ID( l, KaxTrackAudio ) )
- {
- EbmlMaster *tka = static_cast<EbmlMaster*>(l);
- unsigned int j;
- msg_Dbg( p_demux, "| | | + Track Audio" );
- for( j = 0; j < tka->ListSize(); j++ )
- {
- EbmlElement *l = (*tka)[j];
- if( MKV_IS_ID( l, KaxAudioSamplingFreq ) )
- {
- KaxAudioSamplingFreq &afreq = *(KaxAudioSamplingFreq*)l;
- tk->fmt.audio.i_rate = (int)float( afreq );
- msg_Dbg( p_demux, "| | | | + afreq=%d", tk->fmt.audio.i_rate );
- }
- else if( MKV_IS_ID( l, KaxAudioChannels ) )
- {
- KaxAudioChannels &achan = *(KaxAudioChannels*)l;
- tk->fmt.audio.i_channels = uint8( achan );
- msg_Dbg( p_demux, "| | | | + achan=%u", uint8( achan ) );
- }
- else if( MKV_IS_ID( l, KaxAudioBitDepth ) )
- {
- KaxAudioBitDepth &abits = *(KaxAudioBitDepth*)l;
- tk->fmt.audio.i_bitspersample = uint8( abits );
- msg_Dbg( p_demux, "| | | | + abits=%u", uint8( abits ) );
- }
- else
- {
- msg_Dbg( p_demux, "| | | | + Unknown (%s)", typeid(*l).name() );
- }
- }
- }
- else
- {
- msg_Dbg( p_demux, "| | | + Unknown (%s)",
- typeid(*l).name() );
- }
- }
- }
- static void ParseTracks( demux_t *p_demux, EbmlElement *tracks )
- {
- demux_sys_t *p_sys = p_demux->p_sys;
- EbmlElement *el;
- EbmlMaster *m;
- unsigned int i;
- int i_upper_level = 0;
- msg_Dbg( p_demux, "| + Tracks" );
- /* Master elements */
- m = static_cast<EbmlMaster *>(tracks);
- m->Read( *p_sys->es, tracks->Generic().Context, i_upper_level, el, true );
- for( i = 0; i < m->ListSize(); i++ )
- {
- EbmlElement *l = (*m)[i];
- if( MKV_IS_ID( l, KaxTrackEntry ) )
- {
- ParseTrackEntry( p_demux, static_cast<EbmlMaster *>(l) );
- }
- else
- {
- msg_Dbg( p_demux, "| | + Unknown (%s)", typeid(*l).name() );
- }
- }
- }
- /*****************************************************************************
- * ParseInfo:
- *****************************************************************************/
- static void ParseInfo( demux_t *p_demux, EbmlElement *info )
- {
- demux_sys_t *p_sys = p_demux->p_sys;
- EbmlElement *el;
- EbmlMaster *m;
- unsigned int i;
- int i_upper_level = 0;
- msg_Dbg( p_demux, "| + Information" );
- /* Master elements */
- m = static_cast<EbmlMaster *>(info);
- m->Read( *p_sys->es, info->Generic().Context, i_upper_level, el, true );
- for( i = 0; i < m->ListSize(); i++ )
- {
- EbmlElement *l = (*m)[i];
- if( MKV_IS_ID( l, KaxSegmentUID ) )
- {
- KaxSegmentUID &uid = *(KaxSegmentUID*)l;
- msg_Dbg( p_demux, "| | + UID=%d", uint32(uid) );
- }
- else if( MKV_IS_ID( l, KaxTimecodeScale ) )
- {
- KaxTimecodeScale &tcs = *(KaxTimecodeScale*)l;
- p_sys->i_timescale = uint64(tcs);
- msg_Dbg( p_demux, "| | + TimecodeScale="I64Fd,
- p_sys->i_timescale );
- }
- else if( MKV_IS_ID( l, KaxDuration ) )
- {
- KaxDuration &dur = *(KaxDuration*)l;
- p_sys->f_duration = float(dur);
- msg_Dbg( p_demux, "| | + Duration=%f",
- p_sys->f_duration );
- }
- else if( MKV_IS_ID( l, KaxMuxingApp ) )
- {
- KaxMuxingApp &mapp = *(KaxMuxingApp*)l;
- p_sys->psz_muxing_application = UTF8ToStr( UTFstring( mapp ) );
- msg_Dbg( p_demux, "| | + Muxing Application=%s",
- p_sys->psz_muxing_application );
- }
- else if( MKV_IS_ID( l, KaxWritingApp ) )
- {
- KaxWritingApp &wapp = *(KaxWritingApp*)l;
- p_sys->psz_writing_application = UTF8ToStr( UTFstring( wapp ) );
- msg_Dbg( p_demux, "| | + Writing Application=%s",
- p_sys->psz_writing_application );
- }
- else if( MKV_IS_ID( l, KaxSegmentFilename ) )
- {
- KaxSegmentFilename &sfn = *(KaxSegmentFilename*)l;
- p_sys->psz_segment_filename = UTF8ToStr( UTFstring( sfn ) );
- msg_Dbg( p_demux, "| | + Segment Filename=%s",
- p_sys->psz_segment_filename );
- }
- else if( MKV_IS_ID( l, KaxTitle ) )
- {
- KaxTitle &title = *(KaxTitle*)l;
- p_sys->psz_title = UTF8ToStr( UTFstring( title ) );
- msg_Dbg( p_demux, "| | + Title=%s", p_sys->psz_title );
- }
- #if defined( HAVE_GMTIME_R ) && !defined( SYS_DARWIN )
- else if( MKV_IS_ID( l, KaxDateUTC ) )
- {
- KaxDateUTC &date = *(KaxDateUTC*)l;
- time_t i_date;
- struct tm tmres;
- char buffer[256];
- i_date = date.GetEpochDate();
- memset( buffer, 0, 256 );
- if( gmtime_r( &i_date, &tmres ) &&
- asctime_r( &tmres, buffer ) )
- {
- buffer[strlen( buffer)-1]= ' ';
- p_sys->psz_date_utc = strdup( buffer );
- msg_Dbg( p_demux, "| | + Date=%s", p_sys->psz_date_utc );
- }
- }
- #endif
- else
- {
- msg_Dbg( p_demux, "| | + Unknown (%s)", typeid(*l).name() );
- }
- }
- p_sys->f_duration = p_sys->f_duration * p_sys->i_timescale / 1000000.0;
- }
- /*****************************************************************************
- * ParseChapterAtom
- *****************************************************************************/
- static void ParseChapterAtom( demux_t *p_demux, int i_level, EbmlMaster *ca )
- {
- demux_sys_t *p_sys = p_demux->p_sys;
- unsigned int i;
- seekpoint_t *sk;
- if( p_sys->title == NULL )
- {
- p_sys->title = vlc_input_title_New();
- }
- sk = vlc_seekpoint_New();
- msg_Dbg( p_demux, "| | | + ChapterAtom (level=%d)", i_level );
- for( i = 0; i < ca->ListSize(); i++ )
- {
- EbmlElement *l = (*ca)[i];
- if( MKV_IS_ID( l, KaxChapterUID ) )
- {
- KaxChapterUID &uid = *(KaxChapterUID*)l;
- uint32_t i_uid = uint32( uid );
- msg_Dbg( p_demux, "| | | | + ChapterUID: 0x%x", i_uid );
- }
- else if( MKV_IS_ID( l, KaxChapterTimeStart ) )
- {
- KaxChapterTimeStart &start =*(KaxChapterTimeStart*)l;
- sk->i_time_offset = uint64( start ) / I64C(1000);
- msg_Dbg( p_demux, "| | | | + ChapterTimeStart: %lld", sk->i_time_offset );
- }
- else if( MKV_IS_ID( l, KaxChapterTimeEnd ) )
- {
- KaxChapterTimeEnd &end =*(KaxChapterTimeEnd*)l;
- int64_t i_end = uint64( end );
- msg_Dbg( p_demux, "| | | | + ChapterTimeEnd: %lld", i_end );
- }
- else if( MKV_IS_ID( l, KaxChapterDisplay ) )
- {
- EbmlMaster *cd = static_cast<EbmlMaster *>(l);
- unsigned int j;
- msg_Dbg( p_demux, "| | | | + ChapterDisplay" );
- for( j = 0; j < cd->ListSize(); j++ )
- {
- EbmlElement *l= (*cd)[j];
- if( MKV_IS_ID( l, KaxChapterString ) )
- {
- KaxChapterString &name =*(KaxChapterString*)l;
- char *psz = UTF8ToStr( UTFstring( name ) );
- sk->psz_name = strdup( psz );
- msg_Dbg( p_demux, "| | | | | + ChapterString '%s'", psz );
- }
- else if( MKV_IS_ID( l, KaxChapterLanguage ) )
- {
- KaxChapterLanguage &lang =*(KaxChapterLanguage*)l;
- const char *psz = string( lang ).c_str();
- msg_Dbg( p_demux, "| | | | | + ChapterLanguage '%s'", psz );
- }
- else if( MKV_IS_ID( l, KaxChapterCountry ) )
- {
- KaxChapterCountry &ct =*(KaxChapterCountry*)l;
- const char *psz = string( ct ).c_str();
- msg_Dbg( p_demux, "| | | | | + ChapterCountry '%s'", psz );
- }
- }
- }
- else if( MKV_IS_ID( l, KaxChapterAtom ) )
- {
- ParseChapterAtom( p_demux, i_level+1, static_cast<EbmlMaster *>(l) );
- }
- }
- // A start time of '0' is ok. A missing ChapterTime element is ok, too, because '0' is its default value.
- p_sys->title->i_seekpoint++;
- p_sys->title->seekpoint = (seekpoint_t**)realloc( p_sys->title->seekpoint, p_sys->title->i_seekpoint * sizeof( seekpoint_t* ) );
- p_sys->title->seekpoint[p_sys->title->i_seekpoint-1] = sk;
- }
- /*****************************************************************************
- * ParseChapters:
- *****************************************************************************/
- static void ParseChapters( demux_t *p_demux, EbmlElement *chapters )
- {
- demux_sys_t *p_sys = p_demux->p_sys;
- EbmlElement *el;
- EbmlMaster *m;
- unsigned int i;
- int i_upper_level = 0;
- /* Master elements */
- m = static_cast<EbmlMaster *>(chapters);
- m->Read( *p_sys->es, chapters->Generic().Context, i_upper_level, el, true );
- for( i = 0; i < m->ListSize(); i++ )
- {
- EbmlElement *l = (*m)[i];
- if( MKV_IS_ID( l, KaxEditionEntry ) )
- {
- EbmlMaster *E = static_cast<EbmlMaster *>(l );
- unsigned int j;
- msg_Dbg( p_demux, "| | + EditionEntry" );
- for( j = 0; j < E->ListSize(); j++ )
- {
- EbmlElement *l = (*E)[j];
- if( MKV_IS_ID( l, KaxChapterAtom ) )
- {
- ParseChapterAtom( p_demux, 0, static_cast<EbmlMaster *>(l) );
- }
- else
- {
- msg_Dbg( p_demux, "| | | + Unknown (%s)", typeid(*l).name() );
- }
- }
- }
- else
- {
- msg_Dbg( p_demux, "| | + Unknown (%s)", typeid(*l).name() );
- }
- }
- }
- /*****************************************************************************
- * InformationCreate:
- *****************************************************************************/
- static void InformationCreate( demux_t *p_demux )
- {
- demux_sys_t *p_sys = p_demux->p_sys;
- int i_track;
- p_sys->meta = vlc_meta_New();
- if( p_sys->psz_title )
- {
- vlc_meta_Add( p_sys->meta, VLC_META_TITLE, p_sys->psz_title );
- }
- if( p_sys->psz_date_utc )
- {
- vlc_meta_Add( p_sys->meta, VLC_META_DATE, p_sys->psz_date_utc );
- }
- if( p_sys->psz_segment_filename )
- {
- vlc_meta_Add( p_sys->meta, _("Segment filename"), p_sys->psz_segment_filename );
- }
- if( p_sys->psz_muxing_application )
- {
- vlc_meta_Add( p_sys->meta, _("Muxing application"), p_sys->psz_muxing_application );
- }
- if( p_sys->psz_writing_application )
- {
- vlc_meta_Add( p_sys->meta, _("Writing application"), p_sys->psz_writing_application );
- }
- for( i_track = 0; i_track < p_sys->i_track; i_track++ )
- {
- mkv_track_t *tk = &p_sys->track[i_track];
- vlc_meta_t *mtk = vlc_meta_New();
- p_sys->meta->track = (vlc_meta_t**)realloc( p_sys->meta->track,
- sizeof( vlc_meta_t * ) * ( p_sys->meta->i_track + 1 ) );
- p_sys->meta->track[p_sys->meta->i_track++] = mtk;
- if( tk->fmt.psz_description )
- {
- vlc_meta_Add( p_sys->meta, VLC_META_DESCRIPTION, tk->fmt.psz_description );
- }
- if( tk->psz_codec_name )
- {
- vlc_meta_Add( p_sys->meta, VLC_META_CODEC_NAME, tk->psz_codec_name );
- }
- if( tk->psz_codec_settings )
- {
- vlc_meta_Add( p_sys->meta, VLC_META_SETTING, tk->psz_codec_settings );
- }
- if( tk->psz_codec_info_url )
- {
- vlc_meta_Add( p_sys->meta, VLC_META_CODEC_DESCRIPTION, tk->psz_codec_info_url );
- }
- if( tk->psz_codec_download_url )
- {
- vlc_meta_Add( p_sys->meta, VLC_META_URL, tk->psz_codec_download_url );
- }
- }
- if( p_sys->i_tags_position >= 0 )
- {
- vlc_bool_t b_seekable;
- stream_Control( p_demux->s, STREAM_CAN_FASTSEEK, &b_seekable );
- if( b_seekable )
- {
- LoadTags( p_demux );
- }
- }
- }
- /*****************************************************************************
- * Divers
- *****************************************************************************/
- static void IndexAppendCluster( demux_t *p_demux, KaxCluster *cluster )
- {
- demux_sys_t *p_sys = p_demux->p_sys;
- #define idx p_sys->index[p_sys->i_index]
- idx.i_track = -1;
- idx.i_block_number= -1;
- idx.i_position = cluster->GetElementPosition();
- idx.i_time = -1;
- idx.b_key = VLC_TRUE;
- p_sys->i_index++;
- if( p_sys->i_index >= p_sys->i_index_max )
- {
- p_sys->i_index_max += 1024;
- p_sys->index = (mkv_index_t*)realloc( p_sys->index, sizeof( mkv_index_t ) * p_sys->i_index_max );
- }
- #undef idx
- }
- static char * UTF8ToStr( const UTFstring &u )
- {
- int i_src;
- const wchar_t *src;
- char *dst, *p;
- i_src = u.length();
- src = u.c_str();
- p = dst = (char*)malloc( i_src + 1);
- while( i_src > 0 )
- {
- if( *src < 255 )
- {
- *p++ = (char)*src;
- }
- else
- {
- *p++ = '?';
- }
- src++;
- i_src--;
- }
- *p++= ' ';
- return dst;
- }