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Commit a00addff authored by Laurent Aimar's avatar Laurent Aimar
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* mkv: clean up, more input infos, begin to parse Tags element (don't work 

 yet).
parent 80e0bf5c
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Showing with 881 additions and 600 deletions
modules/demux/mkv.cpp
View file @ a00addff
......@@ -2,7 +2,7 @@
* mkv.cpp : matroska demuxer
*****************************************************************************
* Copyright (C) 2001 VideoLAN
* $Id: mkv.cpp,v 1.8 2003/06/24 06:07:14 fenrir Exp $
* $Id: mkv.cpp,v 1.9 2003/06/24 18:42:50 fenrir Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
......@@ -28,6 +28,10 @@
#include <vlc/vlc.h>
#ifdef HAVE_TIME_H
# include <time.h> /* time() */
#endif
#include <vlc/input.h>
#include <codecs.h> /* BITMAPINFOHEADER, WAVEFORMATEX */
......@@ -35,6 +39,7 @@
#include <iostream>
#include <cassert>
#include <typeinfo>
#include <wchar.h>
/* libebml and matroska */
#include "ebml/EbmlHead.h"
......@@ -59,6 +64,8 @@
#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"
......@@ -80,10 +87,12 @@ static int Demux ( input_thread_t * );
* Module descriptor
*****************************************************************************/
vlc_module_begin();
#if 0
add_category_hint( N_("mkv-demuxer"), NULL, VLC_TRUE );
add_bool( "mkv-index", 0, NULL,
N_("Create index if no cues found"),
N_("Create index if no cues found"), VLC_TRUE );
#endif
set_description( _("mka/mkv stream demuxer" ) );
set_capability( "demux", 50 );
set_callbacks( Activate, Deactivate );
......@@ -99,6 +108,7 @@ class vlc_stream_io_callback: public IOCallback
{
private:
input_thread_t *p_input;
vlc_bool_t mb_eof;
public:
vlc_stream_io_callback( input_thread_t * );
......@@ -110,146 +120,6 @@ class vlc_stream_io_callback: public IOCallback
virtual void close ( void );
};
vlc_stream_io_callback::vlc_stream_io_callback( input_thread_t *p_input_ )
{
p_input = p_input_;
}
uint32_t vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
{
data_packet_t *p_data;
int i_count;
int i_read = 0;
if( !i_size )
{
return 0;
}
do
{
i_count = input_SplitBuffer(p_input, &p_data, __MIN( i_size, 10240 ) );
if( i_count <= 0 )
{
return i_read;
}
memcpy( p_buffer, p_data->p_payload_start, i_count );
input_DeletePacket( p_input->p_method_data, p_data );
(uint8_t*)p_buffer += i_count;
i_size -= i_count;
i_read += i_count;
} while( i_size );
return i_read;
}
void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
{
int64_t i_pos;
int64_t i_last;
i_last = getFilePointer();
vlc_mutex_lock( &p_input->stream.stream_lock );
switch( mode )
{
case seek_beginning:
i_pos = i_offset;
break;
case seek_end:
i_pos = p_input->stream.p_selected_area->i_size - i_offset;
break;
default:
i_pos= i_last + i_offset;
break;
}
if( i_pos < 0 ||
( i_pos > p_input->stream.p_selected_area->i_size && p_input->stream.p_selected_area->i_size != 0 ) )
{
msg_Err( p_input, "seeking to wrong place (i_pos=%lld)", i_pos );
vlc_mutex_unlock( &p_input->stream.stream_lock );
return;
}
vlc_mutex_unlock( &p_input->stream.stream_lock );
if( i_pos == i_last )
{
return;
}
msg_Dbg( p_input, "####################seek new=%lld old=%lld", i_pos, getFilePointer() );
if( p_input->stream.b_seekable &&
( /*p_input->stream.i_method == INPUT_METHOD_FILE ||*/ i_pos < i_last || i_pos - i_last > p_input->i_bufsize / 4 ) )
{
input_AccessReinit( p_input );
p_input->pf_seek( p_input, i_pos );
}
else if( i_pos > i_last )
{
data_packet_t *p_data;
int i_skip = i_pos - i_last;
if( i_skip > 1024 )
{
msg_Warn( p_input, "will skip %d bytes, slow", i_skip );
}
while (i_skip > 0 )
{
int i_read;
i_read = input_SplitBuffer( p_input, &p_data,
__MIN( 4096, i_skip ) );
if( i_read < 0 )
{
msg_Err( p_input, "seek failed" );
return;
}
i_skip -= i_read;
input_DeletePacket( p_input->p_method_data, p_data );
if( i_read == 0 && i_skip > 0 )
{
msg_Err( p_input, "seek failed" );
return;
}
}
}
else
{
msg_Err( p_input, "cannot seek or emulate seek to %lld from %lld", i_pos, i_last );
}
}
size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
{
return 0;
}
uint64_t vlc_stream_io_callback::getFilePointer( void )
{
uint64_t i_pos;
vlc_mutex_lock( &p_input->stream.stream_lock );
i_pos= p_input->stream.p_selected_area->i_tell;
vlc_mutex_unlock( &p_input->stream.stream_lock );
return i_pos;
}
void vlc_stream_io_callback::close( void )
{
return;
}
/*****************************************************************************
* Ebml Stream parser
*****************************************************************************/
......@@ -259,8 +129,6 @@ class EbmlParser
EbmlParser( EbmlStream *es, EbmlElement *el_start );
~EbmlParser( void );
int SetNext( const EbmlCallbacks & ClassInfos );
void Up( void );
void Down( void );
EbmlElement *Get( void );
......@@ -269,7 +137,6 @@ class EbmlParser
int GetLevel( void );
private:
EbmlStream *m_es;
int mi_level;
EbmlElement *m_el[6];
......@@ -278,119 +145,8 @@ class EbmlParser
int mi_user_level;
vlc_bool_t mb_keep;
};
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 itself\n" );
}
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] == NULL\n" );
}
return m_el[mi_level];
}
/*****************************************************************************
* Some functions to manipulate memory
......@@ -412,7 +168,6 @@ 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
*****************************************************************************/
......@@ -487,6 +242,7 @@ struct demux_sys_t
/* from seekhead */
int64_t i_cues_position;
int64_t i_chapters_position;
int64_t i_tags_position;
/* current data */
KaxSegment *segment;
......@@ -498,30 +254,21 @@ struct demux_sys_t
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;
};
#define MKVD_TIMECODESCALE 1000000
static void IndexAppendCluster( input_thread_t *p_input, KaxCluster *cluster )
{
demux_sys_t *p_sys = p_input->p_demux_data;
#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 void IndexAppendCluster ( input_thread_t *p_input, KaxCluster *cluster );
static char *UTF8ToStr ( const UTFstring &u );
static void LoadCues ( input_thread_t *);
static void InformationsCreate ( input_thread_t *p_input );
/*****************************************************************************
* Activate: initializes matroska demux structures
......@@ -538,7 +285,6 @@ static int Activate( vlc_object_t * p_this )
EbmlElement *el = NULL, *el1 = NULL, *el2 = NULL, *el3 = NULL, *el4 = NULL;
input_info_category_t *p_cat;
/* Initialize access plug-in structures. */
if( p_input->i_mtu == 0 )
......@@ -576,12 +322,19 @@ static int Activate( vlc_object_t * p_this )
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;;
if( p_sys->es == NULL )
{
msg_Err( p_input, "failed to create EbmlStream" );
......@@ -641,6 +394,67 @@ static int Activate( vlc_object_t * p_this )
msg_Dbg( p_input, "| | + Duration=%f", p_sys->f_duration );
}
else if( EbmlId( *el2 ) == KaxMuxingApp::ClassInfos.GlobalId )
{
KaxMuxingApp &mapp = *(KaxMuxingApp*)el2;
mapp.ReadData( p_sys->es->I_O() );
p_sys->psz_muxing_application = UTF8ToStr( UTFstring( mapp ) );
msg_Dbg( p_input, "| | + Muxing Application=%s", p_sys->psz_muxing_application );
}
else if( EbmlId( *el2 ) == KaxWritingApp::ClassInfos.GlobalId )
{
KaxWritingApp &wapp = *(KaxWritingApp*)el2;
wapp.ReadData( p_sys->es->I_O() );
p_sys->psz_writing_application = UTF8ToStr( UTFstring( wapp ) );
msg_Dbg( p_input, "| | + Wrinting Application=%s", p_sys->psz_writing_application );
}
else if( EbmlId( *el2 ) == KaxSegmentFilename::ClassInfos.GlobalId )
{
KaxSegmentFilename &sfn = *(KaxSegmentFilename*)el2;
sfn.ReadData( p_sys->es->I_O() );
p_sys->psz_segment_filename = UTF8ToStr( UTFstring( sfn ) );
msg_Dbg( p_input, "| | + Segment Filename=%s", p_sys->psz_segment_filename );
}
else if( EbmlId( *el2 ) == KaxTitle::ClassInfos.GlobalId )
{
KaxTitle &title = *(KaxTitle*)el2;
title.ReadData( p_sys->es->I_O() );
p_sys->psz_title = UTF8ToStr( UTFstring( title ) );
msg_Dbg( p_input, "| | + Title=%s", p_sys->psz_title );
}
#ifdef HAVE_TIME_H
else if( EbmlId( *el2 ) == KaxDateUTC::ClassInfos.GlobalId )
{
KaxDateUTC &date = *(KaxDateUTC*)el2;
time_t i_date;
struct tm tmres;
char buffer[256];
date.ReadData( p_sys->es->I_O() );
i_date = date.GetEpochDate();
memset( buffer, 0, 256 );
if( gmtime_r( &i_date, &tmres ) &&
asctime_r( &tmres, buffer ) )
{
buffer[strlen( buffer)-1]= '\0';
p_sys->psz_date_utc = strdup( buffer );
msg_Dbg( p_input, "| | + Date=%s", p_sys->psz_date_utc );
}
}
#endif
else
{
msg_Dbg( p_input, "| | + Unknow (%s)", typeid(*el2).name() );
......@@ -957,6 +771,12 @@ static int Activate( vlc_object_t * p_this )
msg_Dbg( p_input, "| | | = chapters at %lld", i_pos );
p_sys->i_chapters_position = p_sys->segment->GetGlobalPosition( i_pos );
}
else if( id == KaxTags::ClassInfos.GlobalId )
{
msg_Dbg( p_input, "| | | = tags at %lld", i_pos );
p_sys->i_tags_position = p_sys->segment->GetGlobalPosition( i_pos );
}
}
}
else
......@@ -1009,144 +829,10 @@ static int Activate( vlc_object_t * p_this )
msg_Warn( p_input, "chapters unsupported" );
}
#if 0
if( p_sys->i_cues_position == -1 && config_GetInt( p_input, "mkv-index" ) != 0 )
{
int64_t i_sav_position = p_sys->in->getFilePointer();
EbmlParser *ep;
/* parse to find cues gathering info on all clusters */
msg_Dbg( p_input, "no cues referenced, looking for one" );
/* ugly but like easier */
p_sys->in->setFilePointer( p_sys->cluster->GetElementPosition(), seek_beginning );
ep = new EbmlParser( p_sys->es, p_sys->segment );
while( ( el = ep->Get() ) != NULL )
{
if( EbmlId( *el ) == KaxCluster::ClassInfos.GlobalId )
{
int64_t i_pos = el->GetElementPosition();
msg_Dbg( p_input, "found a cluster at %lld", i_pos );
}
else if( EbmlId( *el ) == KaxCues::ClassInfos.GlobalId )
{
msg_Dbg( p_input, "found a Cues !" );
}
}
delete ep;
msg_Dbg( p_input, "lookind done." );
p_sys->in->setFilePointer( i_sav_position, seek_beginning );
}
#endif
/* *** Load the cue if found *** */
if( p_sys->i_cues_position >= 0 && p_input->stream.b_seekable )
{
int64_t i_sav_position = p_sys->in->getFilePointer();
EbmlParser *ep;
EbmlElement *cues;
msg_Dbg( p_input, "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_input, "cannot load cues (broken seekhead or file)" );
}
else
{
ep = new EbmlParser( p_sys->es, cues );
while( ( el = ep->Get() ) != NULL )
{
if( EbmlId( *el ) == KaxCuePoint::ClassInfos.GlobalId )
{
#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 = -1;
idx.b_key = VLC_TRUE;
ep->Down();
while( ( el = ep->Get() ) != NULL )
{
if( EbmlId( *el ) == KaxCueTime::ClassInfos.GlobalId )
{
KaxCueTime &ctime = *(KaxCueTime*)el;
ctime.ReadData( p_sys->es->I_O() );
idx.i_time = uint64( ctime ) * (mtime_t)1000000000 / p_sys->i_timescale;
}
else if( EbmlId( *el ) == KaxCueTrackPositions::ClassInfos.GlobalId )
{
ep->Down();
while( ( el = ep->Get() ) != NULL )
{
if( EbmlId( *el ) == KaxCueTrack::ClassInfos.GlobalId )
{
KaxCueTrack &ctrack = *(KaxCueTrack*)el;
ctrack.ReadData( p_sys->es->I_O() );
idx.i_track = uint16( ctrack );
}
else if( EbmlId( *el ) == KaxCueClusterPosition::ClassInfos.GlobalId )
{
KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
ccpos.ReadData( p_sys->es->I_O() );
idx.i_position = p_sys->segment->GetGlobalPosition( uint64( ccpos ) );
}
else if( EbmlId( *el ) == KaxCueBlockNumber::ClassInfos.GlobalId )
{
KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
cbnum.ReadData( p_sys->es->I_O() );
idx.i_block_number = uint32( cbnum );
}
else
{
msg_Dbg( p_input, " * Unknow (%s)", typeid(*el).name() );
}
}
ep->Up();
}
else
{
msg_Dbg( p_input, " * Unknow (%s)", typeid(*el).name() );
}
}
ep->Up();
msg_Dbg( p_input, " * added time=%lld pos=%lld track=%d bnum=%d",
idx.i_time, idx.i_position, idx.i_track, idx.i_block_number );
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_input, " * Unknow (%s)", typeid(*el).name() );
}
}
delete ep;
delete cues;
p_sys->b_cues = VLC_TRUE;
}
msg_Dbg( p_input, "loading cues done." );
p_sys->in->setFilePointer( i_sav_position, seek_beginning );
LoadCues( p_input );
}
if( !p_sys->b_cues || p_sys->i_index <= 0 )
......@@ -1489,69 +1175,8 @@ static int Activate( vlc_object_t * p_this )
}
/* add informations */
p_cat = input_InfoCategory( p_input, "Matroska" );
if( p_sys->f_duration > 1000.1 )
{
int64_t i_sec = (int64_t)p_sys->f_duration / 1000;
int h,m,s;
h = i_sec / 3600;
m = ( i_sec / 60 ) % 60;
s = i_sec % 60;
input_AddInfo( p_cat, _("Duration"), "%d:%2.2d:%2.2d" , h, m, s );
}
input_AddInfo( p_cat, _("Number of streams"), "%d" , p_sys->i_track );
for( i_track = 0; i_track < p_sys->i_track; i_track++ )
{
char psz_cat[strlen( "Stream " ) + 10];
#define tk p_sys->track[i_track]
sprintf( psz_cat, "Stream %d", i_track );
p_cat = input_InfoCategory( p_input, psz_cat);
switch( tk.i_cat )
{
case AUDIO_ES:
input_AddInfo( p_cat, _("Type"), _("Audio") );
input_AddInfo( p_cat, _("Codec"), "%.4s (%s)", (char*)&tk.i_codec, tk.psz_codec );
if( tk.i_channels > 0 )
{
input_AddInfo( p_cat, _("Channels"), "%d", tk.i_channels );
}
if( tk.i_samplerate > 0 )
{
input_AddInfo( p_cat, _("Sample Rate"), "%d", tk.i_samplerate );
}
if( tk.i_bitspersample )
{
input_AddInfo( p_cat, _("Bits Per Sample"), "%d", tk.i_bitspersample );
}
break;
case VIDEO_ES:
input_AddInfo( p_cat, _("Type"), _("Video") );
input_AddInfo( p_cat, _("Codec"), "%.4s (%s)", (char*)&tk.i_codec, tk.psz_codec );
if( tk.i_width > 0 && tk.i_height )
{
input_AddInfo( p_cat, _("Resolution"), "%dx%d", tk.i_width, tk.i_height );
}
if( tk.i_display_width > 0 && tk.i_display_height )
{
input_AddInfo( p_cat, _("Display Resolution"), "%dx%d", tk.i_display_width, tk.i_display_height );
}
if( tk.f_fps > 0.1 )
{
input_AddInfo( p_cat, _("Frame Per Second"), "%.3f", tk.f_fps );
}
break;
case SPU_ES:
input_AddInfo( p_cat, _("Type"), _("Subtitle") );
input_AddInfo( p_cat, _("Codec"), "%s", tk.psz_codec );
break;
}
InformationsCreate( p_input );
#undef tk
}
return VLC_SUCCESS;
error:
......@@ -1586,6 +1211,15 @@ static void Deactivate( vlc_object_t *p_this )
}
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->ep;
delete p_sys->es;
delete p_sys->in;
......@@ -2051,9 +1685,7 @@ static int Demux( input_thread_t * p_input )
p_input->stream.p_selected_area->i_size;
}
msg_Dbg( p_input, "call Seek" );
Seek( p_input, i_date, i_percent);
msg_Dbg( p_input, "Seek end" );
}
i_start_pts = -1;
......@@ -2101,3 +1733,652 @@ static int Demux( input_thread_t * p_input )
}
/*****************************************************************************
* Stream managment
*****************************************************************************/
vlc_stream_io_callback::vlc_stream_io_callback( input_thread_t *p_input_ )
{
p_input = p_input_;
mb_eof = VLC_FALSE;
}
uint32_t vlc_stream_io_callback::read( void *p_buffer, size_t i_size )
{
data_packet_t *p_data;
int i_count;
int i_read = 0;
if( !i_size || mb_eof )
{
return 0;
}
do
{
i_count = input_SplitBuffer(p_input, &p_data, __MIN( i_size, 10240 ) );
if( i_count <= 0 )
{
return i_read;
}
memcpy( p_buffer, p_data->p_payload_start, i_count );
input_DeletePacket( p_input->p_method_data, p_data );
(uint8_t*)p_buffer += i_count;
i_size -= i_count;
i_read += i_count;
} while( i_size );
return i_read;
}
void vlc_stream_io_callback::setFilePointer(int64_t i_offset, seek_mode mode )
{
int64_t i_pos;
int64_t i_last;
i_last = getFilePointer();
vlc_mutex_lock( &p_input->stream.stream_lock );
switch( mode )
{
case seek_beginning:
i_pos = i_offset;
break;
case seek_end:
i_pos = p_input->stream.p_selected_area->i_size - i_offset;
break;
default:
i_pos= i_last + i_offset;
break;
}
if( i_pos < 0 ||
( i_pos > p_input->stream.p_selected_area->i_size && p_input->stream.p_selected_area->i_size != 0 ) )
{
msg_Err( p_input, "seeking to wrong place (i_pos=%lld)", i_pos );
vlc_mutex_unlock( &p_input->stream.stream_lock );
mb_eof = VLC_TRUE;
return;
}
vlc_mutex_unlock( &p_input->stream.stream_lock );
mb_eof = VLC_FALSE;
if( i_pos == i_last )
{
return;
}
msg_Dbg( p_input, "####################seek new=%lld old=%lld", i_pos, getFilePointer() );
if( p_input->stream.b_seekable &&
( /*p_input->stream.i_method == INPUT_METHOD_FILE ||*/ i_pos < i_last || i_pos - i_last > p_input->i_bufsize / 4 ) )
{
input_AccessReinit( p_input );
p_input->pf_seek( p_input, i_pos );
}
else if( i_pos > i_last )
{
data_packet_t *p_data;
int i_skip = i_pos - i_last;
if( i_skip > 1024 )
{
msg_Warn( p_input, "will skip %d bytes, slow", i_skip );
}
while (i_skip > 0 )
{
int i_read;
i_read = input_SplitBuffer( p_input, &p_data,
__MIN( 4096, i_skip ) );
if( i_read < 0 )
{
msg_Err( p_input, "seek failed" );
mb_eof = VLC_TRUE;
return;
}
i_skip -= i_read;
input_DeletePacket( p_input->p_method_data, p_data );
if( i_read == 0 && i_skip > 0 )
{
msg_Err( p_input, "seek failed" );
mb_eof = VLC_TRUE;
return;
}
}
}
else
{
msg_Err( p_input, "cannot seek or emulate seek to %lld from %lld", i_pos, i_last );
mb_eof = VLC_TRUE;
}
}
size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
{
return 0;
}
uint64_t vlc_stream_io_callback::getFilePointer( void )
{
uint64_t i_pos;
vlc_mutex_lock( &p_input->stream.stream_lock );
i_pos= p_input->stream.p_selected_area->i_tell;
vlc_mutex_unlock( &p_input->stream.stream_lock );
return i_pos;
}
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 itself\n" );
}
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] == NULL\n" );
}
return m_el[mi_level];
}
/*****************************************************************************
* Tools
* * LoadCues : load the cues element and update index
*
* * LoadTags : load ... the tags element
*
* * InformationsCreate : create all informations, load tags if present
*
*****************************************************************************/
static void LoadCues( input_thread_t *p_input )
{
demux_sys_t *p_sys = p_input->p_demux_data;
int64_t i_sav_position = p_sys->in->getFilePointer();
EbmlParser *ep;
EbmlElement *el, *cues;
msg_Dbg( p_input, "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_input, "cannot load cues (broken seekhead or file)" );
return;
}
ep = new EbmlParser( p_sys->es, cues );
while( ( el = ep->Get() ) != NULL )
{
if( EbmlId( *el ) == KaxCuePoint::ClassInfos.GlobalId )
{
#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 = -1;
idx.b_key = VLC_TRUE;
ep->Down();
while( ( el = ep->Get() ) != NULL )
{
if( EbmlId( *el ) == KaxCueTime::ClassInfos.GlobalId )
{
KaxCueTime &ctime = *(KaxCueTime*)el;
ctime.ReadData( p_sys->es->I_O() );
idx.i_time = uint64( ctime ) * (mtime_t)1000000000 / p_sys->i_timescale;
}
else if( EbmlId( *el ) == KaxCueTrackPositions::ClassInfos.GlobalId )
{
ep->Down();
while( ( el = ep->Get() ) != NULL )
{
if( EbmlId( *el ) == KaxCueTrack::ClassInfos.GlobalId )
{
KaxCueTrack &ctrack = *(KaxCueTrack*)el;
ctrack.ReadData( p_sys->es->I_O() );
idx.i_track = uint16( ctrack );
}
else if( EbmlId( *el ) == KaxCueClusterPosition::ClassInfos.GlobalId )
{
KaxCueClusterPosition &ccpos = *(KaxCueClusterPosition*)el;
ccpos.ReadData( p_sys->es->I_O() );
idx.i_position = p_sys->segment->GetGlobalPosition( uint64( ccpos ) );
}
else if( EbmlId( *el ) == KaxCueBlockNumber::ClassInfos.GlobalId )
{
KaxCueBlockNumber &cbnum = *(KaxCueBlockNumber*)el;
cbnum.ReadData( p_sys->es->I_O() );
idx.i_block_number = uint32( cbnum );
}
else
{
msg_Dbg( p_input, " * Unknow (%s)", typeid(*el).name() );
}
}
ep->Up();
}
else
{
msg_Dbg( p_input, " * Unknow (%s)", typeid(*el).name() );
}
}
ep->Up();
msg_Dbg( p_input, " * added time=%lld pos=%lld track=%d bnum=%d",
idx.i_time, idx.i_position, idx.i_track, idx.i_block_number );
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_input, " * Unknow (%s)", typeid(*el).name() );
}
}
delete ep;
delete cues;
p_sys->b_cues = VLC_TRUE;
msg_Dbg( p_input, "loading cues done." );
p_sys->in->setFilePointer( i_sav_position, seek_beginning );
}
static void LoadTags( input_thread_t *p_input )
{
demux_sys_t *p_sys = p_input->p_demux_data;
int64_t i_sav_position = p_sys->in->getFilePointer();
EbmlParser *ep;
EbmlElement *el, *tags;
msg_Dbg( p_input, "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_input, "cannot load tags (broken seekhead or file)" );
return;
}
msg_Dbg( p_input, "Tags" );
ep = new EbmlParser( p_sys->es, tags );
while( ( el = ep->Get() ) != NULL )
{
if( EbmlId( *el ) == KaxTag::ClassInfos.GlobalId )
{
msg_Dbg( p_input, "+ Tag" );
ep->Down();
while( ( el = ep->Get() ) != NULL )
{
if( EbmlId( *el ) == KaxTagTargets::ClassInfos.GlobalId )
{
msg_Dbg( p_input, "| + Targets" );
ep->Down();
while( ( el = ep->Get() ) != NULL )
{
msg_Dbg( p_input, "| | + Unknown (%s)", typeid( *el ).name() );
}
ep->Up();
}
else if( EbmlId( *el ) == KaxTagGeneral::ClassInfos.GlobalId )
{
msg_Dbg( p_input, "| + General" );
ep->Down();
while( ( el = ep->Get() ) != NULL )
{
msg_Dbg( p_input, "| | + Unknown (%s)", typeid( *el ).name() );
}
ep->Up();
}
else if( EbmlId( *el ) == KaxTagGenres::ClassInfos.GlobalId )
{
msg_Dbg( p_input, "| + Genres" );
ep->Down();
while( ( el = ep->Get() ) != NULL )
{
msg_Dbg( p_input, "| | + Unknown (%s)", typeid( *el ).name() );
}
ep->Up();
}
else if( EbmlId( *el ) == KaxTagAudioSpecific::ClassInfos.GlobalId )
{
msg_Dbg( p_input, "| + Audio Specific" );
ep->Down();
while( ( el = ep->Get() ) != NULL )
{
msg_Dbg( p_input, "| | + Unknown (%s)", typeid( *el ).name() );
}
ep->Up();
}
else if( EbmlId( *el ) == KaxTagImageSpecific::ClassInfos.GlobalId )
{
msg_Dbg( p_input, "| + Images Specific" );
ep->Down();
while( ( el = ep->Get() ) != NULL )
{
msg_Dbg( p_input, "| | + Unknown (%s)", typeid( *el ).name() );
}
ep->Up();
}
else if( EbmlId( *el ) == KaxTagMultiComment::ClassInfos.GlobalId )
{
msg_Dbg( p_input, "| + Multi Comment" );
}
else if( EbmlId( *el ) == KaxTagMultiCommercial::ClassInfos.GlobalId )
{
msg_Dbg( p_input, "| + Multi Commercial" );
}
else if( EbmlId( *el ) == KaxTagMultiDate::ClassInfos.GlobalId )
{
msg_Dbg( p_input, "| + Multi Date" );
}
else if( EbmlId( *el ) == KaxTagMultiEntity::ClassInfos.GlobalId )
{
msg_Dbg( p_input, "| + Multi Entity" );
}
else if( EbmlId( *el ) == KaxTagMultiIdentifier::ClassInfos.GlobalId )
{
msg_Dbg( p_input, "| + Multi Identifier" );
}
else if( EbmlId( *el ) == KaxTagMultiLegal::ClassInfos.GlobalId )
{
msg_Dbg( p_input, "| + Multi Legal" );
}
else if( EbmlId( *el ) == KaxTagMultiTitle::ClassInfos.GlobalId )
{
msg_Dbg( p_input, "| + Multi Title" );
}
else
{
msg_Dbg( p_input, "| + Unknown (%s)", typeid( *el ).name() );
}
}
ep->Up();
}
else
{
msg_Dbg( p_input, "+ Unknown (%s)", typeid( *el ).name() );
}
}
delete ep;
delete tags;
msg_Dbg( p_input, "loading tags done." );
p_sys->in->setFilePointer( i_sav_position, seek_beginning );
}
static void InformationsCreate( input_thread_t *p_input )
{
demux_sys_t *p_sys = p_input->p_demux_data;
input_info_category_t *p_cat;
int i_track;
p_cat = input_InfoCategory( p_input, "Matroska" );
if( p_sys->f_duration > 1000.1 )
{
int64_t i_sec = (int64_t)p_sys->f_duration / 1000;
int h,m,s;
h = i_sec / 3600;
m = ( i_sec / 60 ) % 60;
s = i_sec % 60;
input_AddInfo( p_cat, _("Duration"), "%d:%2.2d:%2.2d" , h, m, s );
}
if( p_sys->psz_title )
{
input_AddInfo( p_cat, _("Title"), "%s" ,p_sys->psz_title );
}
if( p_sys->psz_date_utc )
{
input_AddInfo( p_cat, _("Date UTC"), "%s" ,p_sys->psz_date_utc );
}
if( p_sys->psz_segment_filename )
{
input_AddInfo( p_cat, _("Segment Filename"), "%s" ,p_sys->psz_segment_filename );
}
if( p_sys->psz_muxing_application )
{
input_AddInfo( p_cat, _("Muxing Application"), "%s" ,p_sys->psz_muxing_application );
}
if( p_sys->psz_writing_application )
{
input_AddInfo( p_cat, _("Writing Application"), "%s" ,p_sys->psz_writing_application );
}
input_AddInfo( p_cat, _("Number of streams"), "%d" , p_sys->i_track );
for( i_track = 0; i_track < p_sys->i_track; i_track++ )
{
char psz_cat[strlen( "Stream " ) + 10];
#define tk p_sys->track[i_track]
sprintf( psz_cat, "Stream %d", i_track );
p_cat = input_InfoCategory( p_input, psz_cat);
switch( tk.i_cat )
{
case AUDIO_ES:
input_AddInfo( p_cat, _("Type"), _("Audio") );
input_AddInfo( p_cat, _("Codec"), "%.4s (%s)", (char*)&tk.i_codec, tk.psz_codec );
if( tk.i_channels > 0 )
{
input_AddInfo( p_cat, _("Channels"), "%d", tk.i_channels );
}
if( tk.i_samplerate > 0 )
{
input_AddInfo( p_cat, _("Sample Rate"), "%d", tk.i_samplerate );
}
if( tk.i_bitspersample )
{
input_AddInfo( p_cat, _("Bits Per Sample"), "%d", tk.i_bitspersample );
}
break;
case VIDEO_ES:
input_AddInfo( p_cat, _("Type"), _("Video") );
input_AddInfo( p_cat, _("Codec"), "%.4s (%s)", (char*)&tk.i_codec, tk.psz_codec );
if( tk.i_width > 0 && tk.i_height )
{
input_AddInfo( p_cat, _("Resolution"), "%dx%d", tk.i_width, tk.i_height );
}
if( tk.i_display_width > 0 && tk.i_display_height )
{
input_AddInfo( p_cat, _("Display Resolution"), "%dx%d", tk.i_display_width, tk.i_display_height );
}
if( tk.f_fps > 0.1 )
{
input_AddInfo( p_cat, _("Frame Per Second"), "%.3f", tk.f_fps );
}
break;
case SPU_ES:
input_AddInfo( p_cat, _("Type"), _("Subtitle") );
input_AddInfo( p_cat, _("Codec"), "%s", tk.psz_codec );
break;
}
#undef tk
}
if( p_sys->i_tags_position >= 0 && p_input->stream.b_seekable )
{
LoadTags( p_input );
}
}
/*****************************************************************************
* Divers
*****************************************************************************/
static void IndexAppendCluster( input_thread_t *p_input, KaxCluster *cluster )
{
demux_sys_t *p_sys = p_input->p_demux_data;
#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++= '\0';
return dst;
}
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