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Commit fe574e12 authored by Laurent Aimar's avatar Laurent Aimar
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* mkv : use stream_*

parent d1ff1b96
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Showing with 103 additions and 154 deletions
modules/demux/mkv.cpp
View file @ fe574e12
......@@ -2,7 +2,7 @@
* mkv.cpp : matroska demuxer
*****************************************************************************
* Copyright (C) 2001 VideoLAN
* $Id: mkv.cpp,v 1.23 2003/08/25 20:47:41 fenrir Exp $
* $Id: mkv.cpp,v 1.24 2003/08/26 18:11:02 fenrir Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
......@@ -36,6 +36,7 @@
#include <codecs.h> /* BITMAPINFOHEADER, WAVEFORMATEX */
#include "iso_lang.h"
#include "ninput.h"
#include <iostream>
#include <cassert>
......@@ -84,17 +85,12 @@
using namespace LIBMATROSKA_NAMESPACE;
using namespace std;
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Activate ( vlc_object_t * );
static void Deactivate( vlc_object_t * );
static int Demux ( input_thread_t * );
/*****************************************************************************
* Module descriptor
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close( vlc_object_t * );
vlc_module_begin();
add_category_hint( N_("mkv-demuxer"), NULL, VLC_TRUE );
add_bool( "mkv-seek-percent", 1, NULL,
......@@ -103,11 +99,17 @@ vlc_module_begin();
set_description( _("mka/mkv stream demuxer" ) );
set_capability( "demux", 50 );
set_callbacks( Activate, Deactivate );
set_callbacks( Open, Close );
add_shortcut( "mka" );
add_shortcut( "mkv" );
vlc_module_end();
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Demux ( input_thread_t * );
static void Seek ( input_thread_t *, mtime_t i_date, int i_percent );
/*****************************************************************************
* Stream managment
......@@ -115,11 +117,11 @@ vlc_module_end();
class vlc_stream_io_callback: public IOCallback
{
private:
input_thread_t *p_input;
stream_t *s;
vlc_bool_t mb_eof;
public:
vlc_stream_io_callback( input_thread_t * );
vlc_stream_io_callback( stream_t * );
virtual uint32_t read ( void *p_buffer, size_t i_size);
virtual void setFilePointer ( int64_t i_offset, seek_mode mode = seek_beginning );
......@@ -232,6 +234,8 @@ typedef struct
struct demux_sys_t
{
stream_t *s;
vlc_stream_io_callback *in;
EbmlStream *es;
EbmlParser *ep;
......@@ -280,9 +284,9 @@ static void InformationsCreate ( input_thread_t *p_input );
static char *LanguageGetName ( const char *psz_code );
/*****************************************************************************
* Activate: initializes matroska demux structures
* Open: initializes matroska demux structures
*****************************************************************************/
static int Activate( vlc_object_t * p_this )
static int Open( vlc_object_t * p_this )
{
input_thread_t *p_input = (input_thread_t *)p_this;
demux_sys_t *p_sys;
......@@ -294,14 +298,6 @@ static int Activate( vlc_object_t * p_this )
EbmlElement *el = NULL, *el1 = NULL, *el2 = NULL, *el3 = NULL, *el4 = NULL;
/* Initialize access plug-in structures. */
if( p_input->i_mtu == 0 )
{
/* Improve speed. */
p_input->i_bufsize = INPUT_DEFAULT_BUFSIZE;
}
/* Set the demux function */
p_input->pf_demux = Demux;
......@@ -313,7 +309,8 @@ static int Activate( vlc_object_t * p_this )
}
/* is a valid file */
if( p_peek[0] != 0x1a || p_peek[1] != 0x45 || p_peek[2] != 0xdf || p_peek[3] != 0xa3 )
if( p_peek[0] != 0x1a || p_peek[1] != 0x45 ||
p_peek[2] != 0xdf || p_peek[3] != 0xa3 )
{
msg_Warn( p_input, "matroska module discarded "
"(invalid header 0x%.2x%.2x%.2x%.2x)",
......@@ -321,10 +318,16 @@ static int Activate( vlc_object_t * p_this )
return VLC_EGENERIC;
}
p_input->p_demux_data = p_sys = (demux_sys_t*)malloc( sizeof( demux_sys_t ) );
p_input->p_demux_data = 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_input );
if( ( p_sys->s = stream_OpenInput( p_input ) ) == NULL )
{
msg_Err( p_input, "cannot create stream" );
free( p_sys );
return VLC_EGENERIC;
}
p_sys->in = new vlc_stream_io_callback( p_sys->s );
p_sys->es = new EbmlStream( *p_sys->in );
p_sys->f_duration = -1;
p_sys->i_timescale = MKVD_TIMECODESCALE;
......@@ -338,7 +341,8 @@ static int Activate( vlc_object_t * p_this )
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->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;
......@@ -350,6 +354,7 @@ static int Activate( vlc_object_t * p_this )
{
msg_Err( p_input, "failed to create EbmlStream" );
delete p_sys->in;
stream_Release( p_sys->s );
free( p_sys );
return VLC_EGENERIC;
}
......@@ -404,7 +409,8 @@ static int Activate( vlc_object_t * p_this )
dur.ReadData( p_sys->es->I_O() );
p_sys->f_duration = float(dur);
msg_Dbg( p_input, "| | + Duration=%f", p_sys->f_duration );
msg_Dbg( p_input, "| | + Duration=%f",
p_sys->f_duration );
}
else if( EbmlId( *el2 ) == KaxMuxingApp::ClassInfos.GlobalId )
{
......@@ -414,7 +420,8 @@ static int Activate( vlc_object_t * p_this )
p_sys->psz_muxing_application = UTF8ToStr( UTFstring( mapp ) );
msg_Dbg( p_input, "| | + Muxing Application=%s", p_sys->psz_muxing_application );
msg_Dbg( p_input, "| | + Muxing Application=%s",
p_sys->psz_muxing_application );
}
else if( EbmlId( *el2 ) == KaxWritingApp::ClassInfos.GlobalId )
{
......@@ -424,7 +431,8 @@ static int Activate( vlc_object_t * p_this )
p_sys->psz_writing_application = UTF8ToStr( UTFstring( wapp ) );
msg_Dbg( p_input, "| | + Wrinting Application=%s", p_sys->psz_writing_application );
msg_Dbg( p_input, "| | + Wrinting Application=%s",
p_sys->psz_writing_application );
}
else if( EbmlId( *el2 ) == KaxSegmentFilename::ClassInfos.GlobalId )
{
......@@ -434,7 +442,8 @@ static int Activate( vlc_object_t * p_this )
p_sys->psz_segment_filename = UTF8ToStr( UTFstring( sfn ) );
msg_Dbg( p_input, "| | + Segment Filename=%s", p_sys->psz_segment_filename );
msg_Dbg( p_input, "| | + Segment Filename=%s",
p_sys->psz_segment_filename );
}
else if( EbmlId( *el2 ) == KaxTitle::ClassInfos.GlobalId )
{
......@@ -521,14 +530,16 @@ static int Activate( vlc_object_t * p_this )
tnum.ReadData( p_sys->es->I_O() );
tk.i_number = uint32( tnum );
msg_Dbg( p_input, "| | | + Track Number=%u", uint32( tnum ) );
msg_Dbg( p_input, "| | | + Track Number=%u",
uint32( tnum ) );
}
else if( EbmlId( *el3 ) == KaxTrackUID::ClassInfos.GlobalId )
{
KaxTrackUID &tuid = *(KaxTrackUID*)el3;
tuid.ReadData( p_sys->es->I_O() );
msg_Dbg( p_input, "| | | + Track UID=%u", uint32( tuid ) );
msg_Dbg( p_input, "| | | + Track UID=%u",
uint32( tuid ) );
}
else if( EbmlId( *el3 ) == KaxTrackType::ClassInfos.GlobalId )
{
......@@ -844,14 +855,16 @@ static int Activate( vlc_object_t * p_this )
}
else
{
msg_Dbg( p_input, "| | | + Unknown (%s)", typeid(*el3).name() );
msg_Dbg( p_input, "| | | + Unknown (%s)",
typeid(*el3).name() );
}
}
p_sys->ep->Up();
}
else
{
msg_Dbg( p_input, "| | + Unknown (%s)", typeid(*el2).name() );
msg_Dbg( p_input, "| | + Unknown (%s)",
typeid(*el2).name() );
}
#undef tk
}
......@@ -890,7 +903,8 @@ static int Activate( vlc_object_t * p_this )
}
else
{
msg_Dbg( p_input, "| | | + Unknown (%s)", typeid(*el).name() );
msg_Dbg( p_input, "| | | + Unknown (%s)",
typeid(*el).name() );
}
}
p_sys->ep->Up();
......@@ -899,17 +913,20 @@ static int Activate( vlc_object_t * p_this )
{
if( id == KaxCues::ClassInfos.GlobalId )
{
msg_Dbg( p_input, "| | | = cues at "I64Fd, i_pos );
msg_Dbg( p_input, "| | | = 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_input, "| | | = chapters at "I64Fd, i_pos );
msg_Dbg( p_input, "| | | = 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_input, "| | | = tags at "I64Fd, i_pos );
msg_Dbg( p_input, "| | | = tags at "I64Fd,
i_pos );
p_sys->i_tags_position = p_sys->segment->GetGlobalPosition( i_pos );
}
......@@ -917,7 +934,8 @@ static int Activate( vlc_object_t * p_this )
}
else
{
msg_Dbg( p_input, "| | + Unknown (%s)", typeid(*el).name() );
msg_Dbg( p_input, "| | + Unknown (%s)",
typeid(*el).name() );
}
}
p_sys->ep->Up();
......@@ -970,14 +988,20 @@ static int Activate( vlc_object_t * p_this )
}
/* *** Load the cue if found *** */
if( p_sys->i_cues_position >= 0 && p_input->stream.b_seekable )
if( p_sys->i_cues_position >= 0 )
{
LoadCues( p_input );
vlc_bool_t b_seekable;
stream_Control( p_sys->s, STREAM_CAN_FASTSEEK, &b_seekable );
if( b_seekable )
{
LoadCues( p_input );
}
}
if( !p_sys->b_cues || p_sys->i_index <= 0 )
{
msg_Warn( p_input, "no cues/empty cues found -> seek won't be precise" );
msg_Warn( p_input, "no cues/empty cues found->seek won't be precise" );
IndexAppendCluster( p_input, p_sys->cluster );
......@@ -999,16 +1023,14 @@ static int Activate( vlc_object_t * p_this )
goto error;
}
p_input->stream.p_selected_program = p_input->stream.pp_programs[0];
p_input->stream.i_mux_rate = 0;
vlc_mutex_unlock( &p_input->stream.stream_lock );
if( p_sys->f_duration > 1001.0 )
{
mtime_t i_duration = (mtime_t)( p_sys->f_duration / 1000.0 );
p_input->stream.i_mux_rate = p_input->stream.p_selected_area->i_size / 50 / i_duration;
p_input->stream.i_mux_rate = stream_Size( p_sys->s ) / 50 / i_duration;
}
else
{
p_input->stream.i_mux_rate = 0;
}
vlc_mutex_unlock( &p_input->stream.stream_lock );
/* add all es */
msg_Dbg( p_input, "found %d es", p_sys->i_track );
......@@ -1289,14 +1311,15 @@ static int Activate( vlc_object_t * p_this )
error:
delete p_sys->es;
delete p_sys->in;
stream_Release( p_sys->s );
free( p_sys );
return VLC_EGENERIC;
}
/*****************************************************************************
* Deactivate: frees unused data
* Close: frees unused data
*****************************************************************************/
static void Deactivate( vlc_object_t *p_this )
static void Close( vlc_object_t *p_this )
{
input_thread_t *p_input = (input_thread_t *)p_this;
demux_sys_t *p_sys = p_input->p_demux_data;
......@@ -1332,6 +1355,7 @@ static void Deactivate( vlc_object_t *p_this )
delete p_sys->ep;
delete p_sys->es;
delete p_sys->in;
stream_Release( p_sys->s );
free( p_sys );
}
......@@ -1663,7 +1687,7 @@ static void Seek( input_thread_t *p_input, mtime_t i_date, int i_percent)
/* seek without index or without date */
if( config_GetInt( p_input, "mkv-seek-percent" ) || !p_sys->b_cues || i_date < 0 )
{
int64_t i_pos = i_percent * p_input->stream.p_selected_area->i_size / 100;
int64_t i_pos = i_percent * stream_Size( p_sys->s ) / 100;
msg_Dbg( p_input, "imprecise way of seeking" );
for( i_index = 0; i_index < p_sys->i_index; i_index++ )
......@@ -1722,9 +1746,12 @@ static void Seek( input_thread_t *p_input, mtime_t i_date, int i_percent)
}
msg_Dbg( p_input, "seek got "I64Fd" (%d%%)",
p_sys->index[i_index].i_time, (int)(100 * p_sys->index[i_index].i_position /p_input->stream.p_selected_area->i_size ) );
p_sys->index[i_index].i_time,
(int)( 100 * p_sys->index[i_index].i_position /
stream_Size( p_sys->s ) ) );
p_sys->in->setFilePointer( p_sys->index[i_index].i_position, seek_beginning );
p_sys->in->setFilePointer( p_sys->index[i_index].i_position,
seek_beginning );
}
/* now parse until key frame */
......@@ -1803,12 +1830,12 @@ static int Demux( input_thread_t * p_input )
i_date = (mtime_t)1000000 *
(mtime_t)i_duration*
(mtime_t)p_sys->in->getFilePointer() /
(mtime_t)p_input->stream.p_selected_area->i_size;
(mtime_t)stream_Size( p_sys->s );
}
if( p_input->stream.p_selected_area->i_size > 0 )
if( stream_Size( p_sys->s ) > 0 )
{
i_percent = 100 * p_sys->in->getFilePointer() /
p_input->stream.p_selected_area->i_size;
stream_Size( p_sys->s );
}
Seek( p_input, i_date, i_percent);
......@@ -1863,129 +1890,50 @@ static int Demux( input_thread_t * p_input )
/*****************************************************************************
* Stream managment
*****************************************************************************/
vlc_stream_io_callback::vlc_stream_io_callback( input_thread_t *p_input_ )
vlc_stream_io_callback::vlc_stream_io_callback( stream_t *s_ )
{
p_input = p_input_;
s = s_;
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 )
if( i_size <= 0 || 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;
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;
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;
i_pos = stream_Size( s ) - i_offset;
break;
default:
i_pos= i_last + i_offset;
i_pos= stream_Tell( s ) + 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 ) )
if( i_pos < 0 || i_pos >= stream_Size( s ) )
{
msg_Err( p_input, "seeking to wrong place (i_pos="I64Fd")", 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="I64Fd" old="I64Fd,
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 )
if( stream_Seek( s, i_pos ) )
{
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 "I64Fd" from "I64Fd,
i_pos, i_last );
mb_eof = VLC_TRUE;
}
return;
}
size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
{
......@@ -1993,13 +1941,7 @@ size_t vlc_stream_io_callback::write( const void *p_buffer, size_t i_size )
}
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;
return stream_Tell( s );
}
void vlc_stream_io_callback::close( void )
{
......@@ -2473,9 +2415,16 @@ static void InformationsCreate( input_thread_t *p_input )
#undef tk
}
if( p_sys->i_tags_position >= 0 && p_input->stream.b_seekable )
if( p_sys->i_tags_position >= 0 )
{
LoadTags( p_input );
vlc_bool_t b_seekable;
stream_Control( p_sys->s, STREAM_CAN_FASTSEEK, &b_seekable );
if( b_seekable )
{
LoadTags( p_input );
}
}
}
......
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