* asf.c : ASFv01 file input module for vlc
*****************************************************************************
* Copyright (C) 2001 VideoLAN
- * $Id: asf.c,v 1.9 2002/11/28 16:32:29 fenrir Exp $
+ * $Id: asf.c,v 1.16 2003/01/20 13:04:03 fenrir Exp $
* 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
return( (p_buff[0]) + ( p_buff[1] <<8 ) );
}
static uint32_t GetDWLE( uint8_t *p_buff )
-{
+{
return( p_buff[0] + ( p_buff[1] <<8 ) +
( p_buff[2] <<16 ) + ( p_buff[3] <<24 ) );
}
* Activate: check file and initializes ASF structures
*****************************************************************************/
static int Activate( vlc_object_t * p_this )
-{
+{
input_thread_t *p_input = (input_thread_t *)p_this;
uint8_t *p_peek;
guid_t guid;
-
+
demux_sys_t *p_demux;
int i_stream;
-
+
/* Initialize access plug-in structures. */
if( p_input->i_mtu == 0 )
{
}
/* create our structure that will contains all data */
- if( !( p_input->p_demux_data =
+ if( !( p_input->p_demux_data =
p_demux = malloc( sizeof( demux_sys_t ) ) ) )
{
msg_Err( p_input, "out of memory" );
msg_Warn( p_input, "ASF v1.0 plugin discarded (not a valid file)" );
return( -1 );
}
-
+
if( !( p_demux->p_fp = ASF_FindObject( p_demux->root.p_hdr,
&asf_object_file_properties_guid, 0 ) ) )
{
msg_Warn( p_input, "ASF v1.0 plugin discarded (missing file_properties object)" );
return( -1 );
}
-
+
if( p_demux->p_fp->i_min_data_packet_size != p_demux->p_fp->i_max_data_packet_size )
{
ASF_FreeObjectRoot( p_input, &p_demux->root );
msg_Warn( p_input, "ASF v1.0 plugin discarded (invalid file_properties object)" );
return( -1 );
}
-
- p_demux->i_streams = ASF_CountObject( p_demux->root.p_hdr,
+
+ p_demux->i_streams = ASF_CountObject( p_demux->root.p_hdr,
&asf_object_stream_properties_guid );
if( !p_demux->i_streams )
{
}
else
{
+ input_info_category_t *p_cat = input_InfoCategory( p_input, "Asf" );
msg_Dbg( p_input, "found %d streams", p_demux->i_streams );
+ input_AddInfo( p_cat, "Number of streams", "%d" , p_demux->i_streams );
}
/* create one program */
{
asf_stream_t *p_stream;
asf_object_stream_properties_t *p_sp;
-
+ char psz_cat[sizeof("Stream ")+10];
+ input_info_category_t *p_cat;
+ sprintf( psz_cat, "Stream %d", i_stream );
+ p_cat = input_InfoCategory( p_input, psz_cat);
+
p_sp = ASF_FindObject( p_demux->root.p_hdr,
&asf_object_stream_properties_guid,
i_stream );
- p_stream =
- p_demux->stream[p_sp->i_stream_number] =
+ p_stream =
+ p_demux->stream[p_sp->i_stream_number] =
malloc( sizeof( asf_stream_t ) );
memset( p_stream, 0, sizeof( asf_stream_t ) );
p_stream->p_sp = p_sp;
vlc_mutex_lock( &p_input->stream.stream_lock );
- p_stream->p_es =
+ p_stream->p_es =
input_AddES( p_input,
p_input->stream.p_selected_program,
p_sp->i_stream_number,
}
p_stream->i_cat = AUDIO_ES;
+ input_AddInfo( p_cat, "Type", "Audio" );
msg_Dbg( p_input,
- "adding new audio stream(codec:0x%x,ID:%d)",
+ "adding new audio stream(codec:0x%x,ID:%d)",
i_codec,
p_sp->i_stream_number );
switch( i_codec )
{
case( 0x01 ):
- p_stream->p_es->i_fourcc =
+ p_stream->p_es->i_fourcc =
VLC_FOURCC( 'a', 'r', 'a', 'w' );
break;
case( 0x50 ):
case( 0x55 ):
- p_stream->p_es->i_fourcc =
+ p_stream->p_es->i_fourcc =
VLC_FOURCC( 'm','p','g','a' );
break;
case( 0x2000 ):
- p_stream->p_es->i_fourcc =
+ p_stream->p_es->i_fourcc =
VLC_FOURCC( 'a','5','2',' ' );
break;
case( 0x160 ):
- p_stream->p_es->i_fourcc =
+ p_stream->p_es->i_fourcc =
VLC_FOURCC( 'w','m','a','1' );
break;
case( 0x161 ):
- p_stream->p_es->i_fourcc =
+ p_stream->p_es->i_fourcc =
VLC_FOURCC( 'w','m','a','2' );
break;
default:
- p_stream->p_es->i_fourcc =
- VLC_FOURCC( 'u','n','d','f' );
+ p_stream->p_es->i_fourcc =
+ VLC_FOURCC( 'm','s',(i_codec >> 8)&0xff,i_codec&0xff );
}
+ input_AddInfo( p_cat, "Codec", "%.4s", (char*)&p_stream->p_es->i_fourcc );
if( p_sp->i_type_specific_data_length > 0 )
{
WAVEFORMATEX *p_wf;
- int i_size;
+ size_t i_size;
uint8_t *p_data;
-
+
i_size = p_sp->i_type_specific_data_length;
p_wf = malloc( i_size );
- p_stream->p_es->p_demux_data = (void*)p_wf;
+ p_stream->p_es->p_waveformatex = (void*)p_wf;
p_data = p_sp->p_type_specific_data;
p_wf->wFormatTag = GetWLE( p_data );
p_wf->nChannels = GetWLE( p_data + 2 );
+ input_AddInfo( p_cat, "Channels", "%d", p_wf->nChannels );
p_wf->nSamplesPerSec = GetDWLE( p_data + 4 );
+ input_AddInfo( p_cat, "Sample rate", "%d", p_wf->nSamplesPerSec );
p_wf->nAvgBytesPerSec = GetDWLE( p_data + 8 );
+ input_AddInfo( p_cat, "Avg. byterate", "%d", p_wf->nAvgBytesPerSec );
p_wf->nBlockAlign = GetWLE( p_data + 12 );
p_wf->wBitsPerSample = GetWLE( p_data + 14 );
- p_wf->cbSize = i_size - sizeof( WAVEFORMATEX );
+ input_AddInfo( p_cat, "Bits Per Sample", "%d", p_wf->wBitsPerSample );
+ p_wf->cbSize = __MAX( 0,
+ i_size - sizeof( WAVEFORMATEX ));
if( i_size > sizeof( WAVEFORMATEX ) )
{
- memcpy( (uint8_t*)p_stream->p_es->p_demux_data + sizeof( WAVEFORMATEX ),
+ memcpy( (uint8_t*)p_wf + sizeof( WAVEFORMATEX ),
p_data + sizeof( WAVEFORMATEX ),
i_size - sizeof( WAVEFORMATEX ) );
}
}
-
+
}
else
if( CmpGUID( &p_sp->i_stream_type, &asf_object_stream_type_video ) )
{
p_stream->i_cat = VIDEO_ES;
+ input_AddInfo( p_cat, "Type", "Video" );
msg_Dbg( p_input,
- "adding new video stream(ID:%d)",
+ "adding new video stream(ID:%d)",
p_sp->i_stream_number );
if( p_sp->p_type_specific_data )
{
p_stream->p_es->i_fourcc =
- VLC_FOURCC( p_sp->p_type_specific_data + 27,
- p_sp->p_type_specific_data + 28,
- p_sp->p_type_specific_data + 29,
- p_sp->p_type_specific_data + 30 );
+ VLC_FOURCC( p_sp->p_type_specific_data[27],
+ p_sp->p_type_specific_data[28],
+ p_sp->p_type_specific_data[29],
+ p_sp->p_type_specific_data[30] );
}
else
{
- p_stream->p_es->i_fourcc =
+ p_stream->p_es->i_fourcc =
VLC_FOURCC( 'u','n','d','f' );
}
+ input_AddInfo( p_cat, "Codec", "%.4s", (char*)&p_stream->p_es->i_fourcc );
if( p_sp->i_type_specific_data_length > 11 )
{
BITMAPINFOHEADER *p_bih;
- int i_size;
+ size_t i_size;
uint8_t *p_data;
i_size = p_sp->i_type_specific_data_length - 11;
-
+
p_bih = malloc( i_size );
- p_stream->p_es->p_demux_data = (void*)p_bih;
+ p_stream->p_es->p_bitmapinfoheader = (void*)p_bih;
p_data = p_sp->p_type_specific_data + 11;
-
+
p_bih->biSize = GetDWLE( p_data );
+ input_AddInfo( p_cat, "Size", "%d", p_bih->biSize );
p_bih->biWidth = GetDWLE( p_data + 4 );
p_bih->biHeight = GetDWLE( p_data + 8 );
+ input_AddInfo( p_cat, "Resolution", "%dx%d", p_bih->biWidth, p_bih->biHeight );
p_bih->biPlanes = GetDWLE( p_data + 12 );
+ input_AddInfo( p_cat, "Planes", "%d", p_bih->biPlanes );
p_bih->biBitCount = GetDWLE( p_data + 14 );
+ input_AddInfo( p_cat, "Bits per pixel", "%d", p_bih->biBitCount );
p_bih->biCompression= GetDWLE( p_data + 16 );
+ input_AddInfo( p_cat, "Compression Rate", "%d", p_bih->biCompression );
p_bih->biSizeImage = GetDWLE( p_data + 20 );
+ input_AddInfo( p_cat, "Image Size", "%d", p_bih->biSizeImage );
p_bih->biXPelsPerMeter = GetDWLE( p_data + 24 );
+ input_AddInfo( p_cat, "X pixels per meter", "%d", p_bih->biXPelsPerMeter );
p_bih->biYPelsPerMeter = GetDWLE( p_data + 28 );
+ input_AddInfo( p_cat, "Y pixels per meter", "%d", p_bih->biYPelsPerMeter );
p_bih->biClrUsed = GetDWLE( p_data + 32 );
p_bih->biClrImportant = GetDWLE( p_data + 36 );
if( i_size > sizeof( BITMAPINFOHEADER ) )
{
- memcpy( (uint8_t*)p_stream->p_es->p_demux_data + sizeof( BITMAPINFOHEADER ),
+ memcpy( (uint8_t*)p_bih + sizeof( BITMAPINFOHEADER ),
p_data + sizeof( BITMAPINFOHEADER ),
i_size - sizeof( BITMAPINFOHEADER ) );
}
else
{
p_stream->i_cat = UNKNOWN_ES;
- msg_Dbg( p_input,
- "ignoring unknown stream(ID:%d)",
+ msg_Dbg( p_input,
+ "ignoring unknown stream(ID:%d)",
p_sp->i_stream_number );
p_stream->p_es->i_fourcc = VLC_FOURCC( 'u','n','d','f' );
}
}
vlc_mutex_unlock( &p_input->stream.stream_lock );
}
-
+
p_demux->i_data_begin = p_demux->root.p_data->i_object_pos + 50;
if( p_demux->root.p_data->i_object_size != 0 )
mtime_t i_length;
/* real number of packets */
- i_count = ( p_input->stream.p_selected_area->i_size -
- p_demux->i_data_begin ) /
+ i_count = ( p_input->stream.p_selected_area->i_size -
+ p_demux->i_data_begin ) /
p_demux->p_fp->i_min_data_packet_size;
/* calculate the time duration in s */
- i_length = (mtime_t)p_demux->p_fp->i_play_duration / 10 *
- (mtime_t)i_count /
+ i_length = (mtime_t)p_demux->p_fp->i_play_duration / 10 *
+ (mtime_t)i_count /
(mtime_t)p_demux->p_fp->i_data_packets_count /
(mtime_t)1000000;
if( i_length > 0 )
p_input->stream.p_selected_program->b_is_ok = 1;
vlc_mutex_unlock( &p_input->stream.stream_lock );
-
+
return( 0 );
}
/*****************************************************************************
- * Demux: read packet and send them to decoders
+ * Demux: read packet and send them to decoders
*****************************************************************************/
#define GETVALUE2b( bits, var, def ) \
switch( (bits)&0x03 ) \
off_t i_offset;
msleep( DEFAULT_PTS_DELAY );
i_offset = ASF_TellAbsolute( p_input ) - p_demux->i_data_begin;
-
+
if( i_offset < 0 )
{
i_offset = 0;
}
/* XXX work only when i_min_data_packet_size == i_max_data_packet_size */
- i_offset += p_demux->p_fp->i_min_data_packet_size -
+ i_offset += p_demux->p_fp->i_min_data_packet_size -
i_offset % p_demux->p_fp->i_min_data_packet_size;
ASF_SeekAbsolute( p_input, p_demux->i_data_begin + i_offset );
int i_data_packet_min = p_demux->p_fp->i_min_data_packet_size;
uint8_t *p_peek;
int i_skip;
-
+
int i_packet_size_left;
int i_packet_flags;
int i_packet_property;
int i_packet_length;
int i_packet_sequence;
int i_packet_padding_length;
-
+
uint32_t i_packet_send_time;
uint16_t i_packet_duration;
int i_payload;
int i_payload_count;
int i_payload_length_type;
-
+
if( input_Peek( p_input, &p_peek, i_data_packet_min ) < i_data_packet_min )
{
// EOF ?
- msg_Err( p_input, "cannot peek while getting new packet, EOF ?" );
+ msg_Warn( p_input, "cannot peek while getting new packet, EOF ?" );
return( 0 );
}
i_skip = 0;
-
+
/* *** parse error correction if present *** */
if( p_peek[0]&0x80 )
{
i_opaque_data_present = ( p_peek[0] >> 4 )& 0x01; // 1bit
i_error_correction_length_type = ( p_peek[0] >> 5 ) & 0x03; // 2bits
i_skip += 1; // skip error correction flags
-
+
if( i_error_correction_length_type != 0x00 ||
i_opaque_data_present != 0 ||
i_error_correction_data_length != 0x02 )
i_packet_flags = p_peek[i_skip]; i_skip++;
i_packet_property = p_peek[i_skip]; i_skip++;
-
+
b_packet_multiple_payload = i_packet_flags&0x01;
/* read some value */
i_packet_send_time = GetDWLE( p_peek + i_skip ); i_skip += 4;
i_packet_duration = GetWLE( p_peek + i_skip ); i_skip += 2;
-
+
// i_packet_size_left = i_packet_length; // XXX données reellement lu
/* FIXME I have to do that for some file, I don't known why */
i_packet_size_left = i_data_packet_min;
-
+
if( b_packet_multiple_payload )
{
i_payload_count = p_peek[i_skip] & 0x3f;
mtime_t i_pts;
mtime_t i_pts_delta;
- i_stream_number = p_peek[i_skip] & 0x7f;
+ if( i_skip >= i_packet_size_left )
+ {
+ /* prevent some segfault with invalid file */
+ break;
+ }
+
+ i_stream_number = p_peek[i_skip] & 0x7f;
i_skip++;
-
+
GETVALUE2b( i_packet_property >> 4, i_media_object_number, 0 );
GETVALUE2b( i_packet_property >> 2, i_tmp, 0 );
GETVALUE2b( i_packet_property, i_replicated_data_length, 0 );
-
+
if( i_replicated_data_length > 1 ) // should be at least 8 bytes
{
i_pts = (mtime_t)GetDWLE( p_peek + i_skip + 4 ) * 1000;
}
else
{
- i_payload_data_length = i_packet_length -
+ i_payload_data_length = i_packet_length -
i_packet_padding_length - i_skip;
}
-
+
#if 0
- msg_Dbg( p_input,
+ msg_Dbg( p_input,
"payload(%d/%d) stream_number:%d media_object_number:%d media_object_offset:%d replicated_data_length:%d payload_data_length %d",
- i_payload + 1,
+ i_payload + 1,
i_payload_count,
i_stream_number,
- i_media_object_number,
- i_media_object_offset,
- i_replicated_data_length,
+ i_media_object_number,
+ i_media_object_offset,
+ i_replicated_data_length,
i_payload_data_length );
#endif
if( !( p_stream = p_demux->stream[i_stream_number] ) )
{
- msg_Warn( p_input,
+ msg_Warn( p_input,
"undeclared stream[Id 0x%x]", i_stream_number );
i_skip += i_payload_data_length;
continue; // over payload
}
- for( i_payload_data_pos = 0;
- i_payload_data_pos < i_payload_data_length &&
- i_packet_size_left > 0;
+ for( i_payload_data_pos = 0;
+ i_payload_data_pos < i_payload_data_length &&
+ i_packet_size_left > 0;
i_payload_data_pos += i_sub_payload_data_length )
{
data_packet_t *p_data;
if( !p_stream->p_pes ) // add a new PES
{
- p_stream->i_time =
+ p_stream->i_time =
( (mtime_t)i_pts + i_payload * (mtime_t)i_pts_delta );
if( p_demux->i_first_pts == -1 )
p_stream->i_time -= p_demux->i_first_pts;
p_stream->p_pes = input_NewPES( p_input->p_method_data );
- p_stream->p_pes->i_dts =
- p_stream->p_pes->i_pts =
- input_ClockGetTS( p_input,
+ p_stream->p_pes->i_dts =
+ p_stream->p_pes->i_pts =
+ input_ClockGetTS( p_input,
p_input->stream.p_selected_program,
( p_stream->i_time+DEFAULT_PTS_DELAY) * 9 /100 );
i_read = i_sub_payload_data_length + i_skip;
if( input_SplitBuffer( p_input, &p_data, i_read ) < i_read )
{
- msg_Err( p_input, "cannot read data" );
+ msg_Warn( p_input, "cannot read data" );
return( 0 );
}
p_data->p_payload_start += i_skip;
i_packet_size_left -= i_read;
-
+
if( !p_stream->p_pes->p_first )
{
p_stream->p_pes->p_first = p_stream->p_pes->p_last = p_data;
}
}
}
-
+
if( i_packet_size_left > 0 )
{
if( !ASF_SkipBytes( p_input, i_packet_size_left ) )
{
/* update pcr XXX in mpeg scale so in 90000 unit/s */
p_demux->i_pcr =( __MAX( p_demux->i_time /*- DEFAULT_PTS_DELAY*/, 0 ) ) * 9 / 100;
-
+
/* first wait for the good time to read next packets */
input_ClockManageRef( p_input,
p_input->stream.p_selected_program,
p_demux->i_pcr );
}
-
+
return( 1 );
}
* MP4End: frees unused data
*****************************************************************************/
static void Deactivate( vlc_object_t * p_this )
-{
+{
#define FREE( p ) \
- if( p ) { free( p ); }
-
+ if( p ) { free( p ); }
+
input_thread_t * p_input = (input_thread_t *)p_this;
demux_sys_t *p_demux = p_input->p_demux_data;
int i_stream;
-
+
msg_Dbg( p_input, "Freeing all memory" );
ASF_FreeObjectRoot( p_input, &p_demux->root );
for( i_stream = 0; i_stream < 128; i_stream++ )
}
#undef p_stream
}
-
+
#undef FREE
}
projects / vlc / blobdiff