/*****************************************************************************
- * asf.c : ASFv01 file input module for vlc
+ * asf.c : ASF demux module
*****************************************************************************
* Copyright (C) 2002-2003 VideoLAN
- * $Id: asf.c,v 1.47 2003/12/22 00:26:01 sam Exp $
+ * $Id$
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
#include <vlc/vlc.h>
#include <vlc/input.h>
+#include "vlc_meta.h"
+
#include "codecs.h" /* BITMAPINFOHEADER, WAVEFORMATEX */
#include "libasf.h"
+/* TODO
+ * - add support for the newly added object: language, bitrate,
+ * extended stream properties.
+ */
+
/*****************************************************************************
* Module descriptor
*****************************************************************************/
static void Close ( vlc_object_t * );
vlc_module_begin();
+ set_category( CAT_INPUT );
+ set_subcategory( SUBCAT_INPUT_DEMUX );
set_description( _("ASF v1.0 demuxer") );
- set_capability( "demux", 200 );
+ set_capability( "demux2", 200 );
set_callbacks( Open, Close );
add_shortcut( "asf" );
vlc_module_end();
/*****************************************************************************
* Local prototypes
*****************************************************************************/
-static int Demux ( input_thread_t * );
+static int Demux ( demux_t * );
+static int Control( demux_t *, int i_query, va_list args );
-typedef struct asf_stream_s
+typedef struct
{
int i_cat;
block_t *p_frame; /* use to gather complete frame */
-} asf_stream_t;
+} asf_track_t;
struct demux_sys_t
{
mtime_t i_time; /* µs */
mtime_t i_length; /* length of file file */
+ int64_t i_bitrate; /* global file bitrate */
asf_object_root_t *p_root;
asf_object_file_properties_t *p_fp;
- unsigned int i_streams;
- asf_stream_t *stream[128];
+ unsigned int i_track;
+ asf_track_t *track[128];
int64_t i_data_begin;
int64_t i_data_end;
+
+ vlc_meta_t *meta;
};
static mtime_t GetMoviePTS( demux_sys_t * );
-static int DemuxPacket( input_thread_t *, vlc_bool_t b_play_audio );
+static int DemuxInit( demux_t * );
+static void DemuxEnd( demux_t * );
+static int DemuxPacket( demux_t * );
/*****************************************************************************
* Open: check file and initializes ASF structures
*****************************************************************************/
static int Open( 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_sys;
- unsigned int i_stream, i;
- asf_object_content_description_t *p_cd;
+ demux_t *p_demux = (demux_t *)p_this;
+ demux_sys_t *p_sys;
+ guid_t guid;
+ uint8_t *p_peek;
- vlc_bool_t b_seekable;
+ /* A little test to see if it could be a asf stream */
+ if( stream_Peek( p_demux->s, &p_peek, 16 ) < 16 ) return VLC_EGENERIC;
- input_info_category_t *p_cat;
-
- /* a little test to see if it could be a asf stream */
- if( input_Peek( p_input, &p_peek, 16 ) < 16 )
- {
- msg_Warn( p_input, "ASF plugin discarded (cannot peek)" );
- return VLC_EGENERIC;
- }
ASF_GetGUID( &guid, p_peek );
- if( !ASF_CmpGUID( &guid, &asf_object_header_guid ) )
- {
- msg_Warn( p_input, "ASF plugin discarded (not a valid file)" );
- return VLC_EGENERIC;
- }
+ if( !ASF_CmpGUID( &guid, &asf_object_header_guid ) ) return VLC_EGENERIC;
- /* Set p_input field */
- p_input->pf_demux = Demux;
- p_input->pf_demux_control = demux_vaControlDefault;
- p_input->p_demux_data = p_sys = malloc( sizeof( demux_sys_t ) );
+ /* Set p_demux fields */
+ p_demux->pf_demux = Demux;
+ p_demux->pf_control = Control;
+ p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) );
memset( p_sys, 0, sizeof( demux_sys_t ) );
- p_sys->i_time = -1;
- p_sys->i_length = 0;
- /* Now load all object ( except raw data ) */
- stream_Control( p_input->s, STREAM_CAN_FASTSEEK, &b_seekable );
- if( (p_sys->p_root = ASF_ReadObjectRoot( p_input->s, b_seekable )) == NULL )
+ /* Load the headers */
+ if( DemuxInit( p_demux ) )
{
- msg_Warn( p_input, "ASF plugin discarded (not a valid file)" );
- free( p_sys );
return VLC_EGENERIC;
}
- p_sys->p_fp = p_sys->p_root->p_fp;
-
- if( p_sys->p_fp->i_min_data_packet_size != p_sys->p_fp->i_max_data_packet_size )
- {
- msg_Warn( p_input,
- "ASF plugin discarded (invalid file_properties object)" );
- goto error;
- }
-
- p_sys->i_streams = ASF_CountObject( p_sys->p_root->p_hdr,
- &asf_object_stream_properties_guid );
- if( !p_sys->i_streams )
- {
- msg_Warn( p_input, "ASF plugin discarded (cannot find any stream!)" );
- goto error;
- }
-
- msg_Dbg( p_input, "found %d streams", p_sys->i_streams );
-
- vlc_mutex_lock( &p_input->stream.stream_lock );
- if( input_InitStream( p_input, 0 ) == -1)
- {
- vlc_mutex_unlock( &p_input->stream.stream_lock );
- msg_Err( p_input, "cannot init stream" );
- goto error;
- }
- p_input->stream.i_mux_rate = 0 ; /* updated later */
- vlc_mutex_unlock( &p_input->stream.stream_lock );
-
- for( i_stream = 0; i_stream < p_sys->i_streams; i_stream ++ )
- {
- asf_stream_t *p_stream;
- asf_object_stream_properties_t *p_sp;
-
- p_sp = ASF_FindObject( p_sys->p_root->p_hdr,
- &asf_object_stream_properties_guid,
- i_stream );
-
- p_stream =
- p_sys->stream[p_sp->i_stream_number] =
- malloc( sizeof( asf_stream_t ) );
- memset( p_stream, 0, sizeof( asf_stream_t ) );
-
- p_stream->i_time = -1;
- p_stream->p_sp = p_sp;
- p_stream->p_es = NULL;
- p_stream->p_frame = NULL;
-
- if( ASF_CmpGUID( &p_sp->i_stream_type, &asf_object_stream_type_audio ) &&
- p_sp->i_type_specific_data_length >= sizeof( WAVEFORMATEX ) - 2 )
- {
- es_format_t fmt;
- uint8_t *p_data = p_sp->p_type_specific_data;
-
- es_format_Init( &fmt, AUDIO_ES, 0 );
- wf_tag_to_fourcc( GetWLE( &p_data[0] ), &fmt.i_codec, NULL );
- fmt.audio.i_channels = GetWLE( &p_data[2] );
- fmt.audio.i_rate = GetDWLE( &p_data[4] );
- fmt.i_bitrate = GetDWLE( &p_data[8] ) * 8;
- fmt.audio.i_blockalign = GetWLE( &p_data[12] );
- fmt.audio.i_bitspersample = GetWLE( &p_data[14] );
-
- if( p_sp->i_type_specific_data_length > sizeof( WAVEFORMATEX ) )
- {
- fmt.i_extra = __MIN( GetWLE( &p_data[16] ),
- p_sp->i_type_specific_data_length - sizeof( WAVEFORMATEX ) );
- fmt.p_extra = malloc( fmt.i_extra );
- memcpy( fmt.p_extra, &p_data[sizeof( WAVEFORMATEX )], fmt.i_extra );
- }
-
- p_stream->i_cat = AUDIO_ES;
- p_stream->p_es = es_out_Add( p_input->p_es_out, &fmt );
-
- msg_Dbg( p_input,
- "added new audio stream(codec:0x%x,ID:%d)",
- GetWLE( p_data ), p_sp->i_stream_number );
- }
- else if( ASF_CmpGUID( &p_sp->i_stream_type, &asf_object_stream_type_video ) &&
- p_sp->i_type_specific_data_length >= 11 + sizeof( BITMAPINFOHEADER ) )
- {
- es_format_t fmt;
- uint8_t *p_data = &p_sp->p_type_specific_data[11];
-
- es_format_Init( &fmt, VIDEO_ES,
- VLC_FOURCC( p_data[16], p_data[17], p_data[18], p_data[19] ) );
- fmt.video.i_width = GetDWLE( p_data + 4 );
- fmt.video.i_height= GetDWLE( p_data + 8 );
-
- if( p_sp->i_type_specific_data_length > 11 + sizeof( BITMAPINFOHEADER ) )
- {
- fmt.i_extra = __MIN( GetDWLE( p_data ),
- p_sp->i_type_specific_data_length - 11 - sizeof( BITMAPINFOHEADER ) );
- fmt.p_extra = malloc( fmt.i_extra );
- memcpy( fmt.p_extra, &p_data[sizeof( BITMAPINFOHEADER )], fmt.i_extra );
- }
-
- p_stream->i_cat = VIDEO_ES;
- p_stream->p_es = es_out_Add( p_input->p_es_out, &fmt );
-
- msg_Dbg( p_input, "added new video stream(ID:%d)",
- p_sp->i_stream_number );
- }
- else
- {
- p_stream->i_cat = UNKNOWN_ES;
- msg_Dbg( p_input, "ignoring unknown stream(ID:%d)",
- p_sp->i_stream_number );
- }
- }
-
- p_sys->i_data_begin = p_sys->p_root->p_data->i_object_pos + 50;
- if( p_sys->p_root->p_data->i_object_size != 0 )
- { /* local file */
- p_sys->i_data_end = p_sys->p_root->p_data->i_object_pos +
- p_sys->p_root->p_data->i_object_size;
- }
- else
- { /* live/broacast */
- p_sys->i_data_end = -1;
- }
-
-
- /* go to first packet */
- stream_Seek( p_input->s, p_sys->i_data_begin );
-
- /* try to calculate movie time */
- if( p_sys->p_fp->i_data_packets_count > 0 )
- {
- int64_t i_count;
- int64_t i_size = stream_Size( p_input->s );
-
- if( p_sys->i_data_end > 0 && i_size > p_sys->i_data_end )
- {
- i_size = p_sys->i_data_end;
- }
-
- /* real number of packets */
- i_count = ( i_size - p_sys->i_data_begin ) /
- p_sys->p_fp->i_min_data_packet_size;
-
- /* calculate the time duration in micro-s */
- p_sys->i_length = (mtime_t)p_sys->p_fp->i_play_duration / 10 *
- (mtime_t)i_count /
- (mtime_t)p_sys->p_fp->i_data_packets_count;
-
- if( p_sys->i_length > 0 )
- {
- p_input->stream.i_mux_rate =
- i_size / 50 * (int64_t)1000000 / p_sys->i_length;
- }
- }
-
- /* We add all info about this stream */
- p_cat = input_InfoCategory( p_input, "Asf" );
- if( p_sys->i_length > 0 )
- {
- int64_t i_second = p_sys->i_length / (int64_t)1000000;
-
- input_AddInfo( p_cat, _("Length"), "%d:%d:%d",
- (int)(i_second / 36000),
- (int)(( i_second / 60 ) % 60),
- (int)(i_second % 60) );
- }
- input_AddInfo( p_cat, _("Number of streams"), "%d" , p_sys->i_streams );
-
- if( ( p_cd = ASF_FindObject( p_sys->p_root->p_hdr,
- &asf_object_content_description_guid, 0 ) ) )
- {
- if( *p_cd->psz_title )
- input_AddInfo( p_cat, _("Title"), p_cd->psz_title );
- if( p_cd->psz_author )
- input_AddInfo( p_cat, _("Author"), p_cd->psz_author );
- if( p_cd->psz_copyright )
- input_AddInfo( p_cat, _("Copyright"), p_cd->psz_copyright );
- if( *p_cd->psz_description )
- input_AddInfo( p_cat, _("Description"), p_cd->psz_description );
- if( *p_cd->psz_rating )
- input_AddInfo( p_cat, _("Rating"), p_cd->psz_rating );
- }
-
- /* FIXME to port to new way */
- for( i_stream = 0, i = 0; i < 128; i++ )
- {
- asf_object_codec_list_t *p_cl =
- ASF_FindObject( p_sys->p_root->p_hdr,
- &asf_object_codec_list_guid, 0 );
-
- if( p_sys->stream[i] )
- {
- char *psz_cat = malloc( strlen(_("Stream")) + 10 );
- sprintf( psz_cat, "%s %d", _("Stream"), i_stream );
- p_cat = input_InfoCategory( p_input, psz_cat);
- free( psz_cat );
-
- if( p_cl && i_stream < p_cl->i_codec_entries_count )
- {
- input_AddInfo( p_cat, _("Codec name"),
- p_cl->codec[i_stream].psz_name );
- input_AddInfo( p_cat, _("Codec description"),
- p_cl->codec[i_stream].psz_description );
- }
- i_stream++;
- }
- }
-
return VLC_SUCCESS;
-
-error:
- ASF_FreeObjectRoot( p_input->s, p_sys->p_root );
- free( p_sys );
- return VLC_EGENERIC;
}
/*****************************************************************************
* Demux: read packet and send them to decoders
*****************************************************************************/
-static int Demux( input_thread_t *p_input )
+static int Demux( demux_t *p_demux )
{
- demux_sys_t *p_sys = p_input->p_demux_data;
- vlc_bool_t b_play_audio;
- int i;
+ demux_sys_t *p_sys = p_demux->p_sys;
- /* catch seek from user */
- if( p_input->stream.p_selected_program->i_synchro_state == SYNCHRO_REINIT )
+ for( ;; )
{
- int64_t i_offset;
-
- msleep( p_input->i_pts_delay );
+ uint8_t *p_peek;
+ mtime_t i_length;
+ mtime_t i_time_begin = GetMoviePTS( p_sys );
+ int i_result;
- i_offset = stream_Tell( p_input->s ) - p_sys->i_data_begin;
- if( i_offset < 0 )
+ if( p_demux->b_die )
{
- i_offset = 0;
- }
- if( i_offset % p_sys->p_fp->i_min_data_packet_size > 0 )
- {
- i_offset -= i_offset % p_sys->p_fp->i_min_data_packet_size;
+ break;
}
- if( stream_Seek( p_input->s, i_offset + p_sys->i_data_begin ) )
+ /* Check if we have concatenated files */
+ if( stream_Peek( p_demux->s, &p_peek, 16 ) == 16 )
{
- msg_Warn( p_input, "cannot resynch after seek (EOF?)" );
- return -1;
- }
+ guid_t guid;
- p_sys->i_time = -1;
- for( i = 0; i < 128 ; i++ )
- {
-#define p_stream p_sys->stream[i]
- if( p_stream )
+ ASF_GetGUID( &guid, p_peek );
+ if( ASF_CmpGUID( &guid, &asf_object_header_guid ) )
{
- p_stream->i_time = -1;
- }
-#undef p_stream
- }
- }
-
- /* Check if we need to send the audio data to decoder */
- b_play_audio = !p_input->stream.control.b_mute;
+ msg_Warn( p_demux, "Found a new ASF header" );
+ /* We end this stream */
+ DemuxEnd( p_demux );
- for( ;; )
- {
- mtime_t i_length;
- mtime_t i_time_begin = GetMoviePTS( p_sys );
- int i_result;
-
- if( p_input->b_die )
- {
- break;
+ /* And we prepare to read the next one */
+ if( DemuxInit( p_demux ) )
+ {
+ msg_Err( p_demux, "failed to load the new header" );
+ return 0;
+ }
+ continue;
+ }
}
- if( ( i_result = DemuxPacket( p_input, b_play_audio ) ) <= 0 )
+ /* Read and demux a packet */
+ if( ( i_result = DemuxPacket( p_demux ) ) <= 0 )
{
return i_result;
}
}
}
+ /* Set the PCR */
p_sys->i_time = GetMoviePTS( p_sys );
if( p_sys->i_time >= 0 )
{
- input_ClockManageRef( p_input,
- p_input->stream.p_selected_program,
- p_sys->i_time * 9 / 100 );
+ es_out_Control( p_demux->out, ES_OUT_SET_PCR, p_sys->i_time );
}
- return( 1 );
+ return 1;
}
/*****************************************************************************
*****************************************************************************/
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;
- int i_stream;
+ demux_t *p_demux = (demux_t *)p_this;
- msg_Dbg( p_input, "Freeing all memory" );
+ DemuxEnd( p_demux );
- ASF_FreeObjectRoot( p_input->s, p_sys->p_root );
- for( i_stream = 0; i_stream < 128; i_stream++ )
- {
- asf_stream_t *p_stream = p_sys->stream[i_stream];
+ free( p_demux->p_sys );
+}
- if( p_stream )
- {
- if( p_stream->p_frame )
+/*****************************************************************************
+ * 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;
+ int i;
+ vlc_meta_t **pp_meta;
+
+ switch( i_query )
+ {
+ case DEMUX_SET_TIME:
+ return VLC_EGENERIC;
+
+ case DEMUX_GET_LENGTH:
+ pi64 = (int64_t*)va_arg( args, int64_t * );
+ *pi64 = p_sys->i_length;
+ return VLC_SUCCESS;
+
+ 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_SET_POSITION:
+ p_sys->i_time = -1;
+ for( i = 0; i < 128 ; i++ )
{
- block_ChainRelease( p_stream->p_frame );
+ asf_track_t *tk = p_sys->track[i];
+ if( tk ) tk->i_time = -1;
}
- free( p_stream );
- }
+
+ default:
+ return demux2_vaControlHelper( p_demux->s,
+ p_sys->i_data_begin, p_sys->i_data_end,
+ p_sys->i_bitrate, p_sys->p_fp->i_min_data_packet_size,
+ i_query, args );
}
- free( p_sys );
}
-
/*****************************************************************************
*
*****************************************************************************/
static mtime_t GetMoviePTS( demux_sys_t *p_sys )
{
mtime_t i_time;
- int i_stream;
+ int i;
i_time = -1;
- for( i_stream = 0; i_stream < 128 ; i_stream++ )
+ for( i = 0; i < 128 ; i++ )
{
- asf_stream_t *p_stream = p_sys->stream[i_stream];
+ asf_track_t *tk = p_sys->track[i];
- if( p_stream && p_stream->p_es && p_stream->i_time > 0)
+ if( tk && tk->p_es && tk->i_time > 0)
{
if( i_time < 0 )
{
- i_time = p_stream->i_time;
+ i_time = tk->i_time;
}
else
{
- i_time = __MIN( i_time, p_stream->i_time );
+ i_time = __MIN( i_time, tk->i_time );
}
}
}
- return( i_time );
+ return i_time;
}
#define GETVALUE2b( bits, var, def ) \
default: var = def; break;\
}
-static int DemuxPacket( input_thread_t *p_input, vlc_bool_t b_play_audio )
+static int DemuxPacket( demux_t *p_demux )
{
- demux_sys_t *p_sys = p_input->p_demux_data;
- int i_data_packet_min = p_sys->p_fp->i_min_data_packet_size;
- uint8_t *p_peek;
- int i_skip;
+ demux_sys_t *p_sys = p_demux->p_sys;
+ int i_data_packet_min = p_sys->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_size_left;
+ int i_packet_flags;
+ int i_packet_property;
- int b_packet_multiple_payload;
- int i_packet_length;
- int i_packet_sequence;
- int i_packet_padding_length;
+ int b_packet_multiple_payload;
+ 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_length_type;
- if( stream_Peek( p_input->s, &p_peek,i_data_packet_min)<i_data_packet_min )
+ if( stream_Peek( p_demux->s, &p_peek,i_data_packet_min)<i_data_packet_min )
{
- // EOF ?
- msg_Warn( p_input, "cannot peek while getting new packet, EOF ?" );
- return( 0 );
+ msg_Warn( p_demux, "cannot peek while getting new packet, EOF ?" );
+ return 0;
}
i_skip = 0;
}
else
{
- msg_Warn( p_input, "p_peek[0]&0x80 != 0x80" );
+ msg_Warn( p_demux, "p_peek[0]&0x80 != 0x80" );
}
/* sanity check */
for( i_payload = 0; i_payload < i_payload_count ; i_payload++ )
{
- asf_stream_t *p_stream;
+ asf_track_t *tk;
int i_stream_number;
int i_media_object_number;
}
else if( i_replicated_data_length == 1 )
{
-
- msg_Dbg( p_input, "found compressed payload" );
+ /* msg_Dbg( p_demux, "found compressed payload" ); */
i_pts = (mtime_t)i_tmp * 1000;
i_pts_delta = (mtime_t)p_peek[i_skip] * 1000; i_skip++;
{
break;
}
-
#if 0
- msg_Dbg( p_input,
+ msg_Dbg( p_demux,
"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_count,
- i_stream_number,
- i_media_object_number,
- i_media_object_offset,
- i_replicated_data_length,
- i_payload_data_length );
+ i_payload + 1, i_payload_count, i_stream_number, i_media_object_number,
+ i_media_object_offset, i_replicated_data_length, i_payload_data_length );
#endif
- if( !( p_stream = p_sys->stream[i_stream_number] ) )
+ if( ( tk = p_sys->track[i_stream_number] ) == NULL )
{
- msg_Warn( p_input,
+ msg_Warn( p_demux,
"undeclared stream[Id 0x%x]", i_stream_number );
i_skip += i_payload_data_length;
continue; // over payload
}
- if( !p_stream->p_es )
+ if( !tk->p_es )
{
i_skip += i_payload_data_length;
continue;
}
/* FIXME I don't use i_media_object_number, sould I ? */
- if( p_stream->p_frame && i_media_object_offset == 0 )
+ if( tk->p_frame && i_media_object_offset == 0 )
{
/* send complete packet to decoder */
- block_t *p_gather = block_ChainGather( p_stream->p_frame );
+ block_t *p_gather = block_ChainGather( tk->p_frame );
- es_out_Send( p_input->p_es_out, p_stream->p_es, p_gather );
+ es_out_Send( p_demux->out, tk->p_es, p_gather );
- p_stream->p_frame = NULL;
+ tk->p_frame = NULL;
}
i_read = i_sub_payload_data_length + i_skip;
- if( ( p_frag = stream_Block( p_input->s, i_read ) ) == NULL )
+ if( ( p_frag = stream_Block( p_demux->s, i_read ) ) == NULL )
{
- msg_Warn( p_input, "cannot read data" );
- return( 0 );
+ msg_Warn( p_demux, "cannot read data" );
+ return 0;
}
i_packet_size_left -= i_read;
p_frag->p_buffer += i_skip;
p_frag->i_buffer -= i_skip;
- if( p_stream->p_frame == NULL )
+ if( tk->p_frame == NULL )
{
- p_stream->i_time =
+ tk->i_time =
( (mtime_t)i_pts + i_payload * (mtime_t)i_pts_delta );
- p_frag->i_pts =
- input_ClockGetTS( p_input,
- p_input->stream.p_selected_program,
- p_stream->i_time * 9 /100 );
+ p_frag->i_pts = tk->i_time;
- if( p_stream->i_cat != VIDEO_ES )
+ if( tk->i_cat != VIDEO_ES )
p_frag->i_dts = p_frag->i_pts;
else
{
}
}
- block_ChainAppend( &p_stream->p_frame, p_frag );
+ block_ChainAppend( &tk->p_frame, p_frag );
i_skip = 0;
if( i_packet_size_left > 0 )
{
- if( stream_Peek( p_input->s, &p_peek, i_packet_size_left )
+ if( stream_Peek( p_demux->s, &p_peek, i_packet_size_left )
< i_packet_size_left )
{
- // EOF ?
- msg_Warn( p_input, "cannot peek, EOF ?" );
- return( 0 );
+ msg_Warn( p_demux, "cannot peek, EOF ?" );
+ return 0;
}
}
}
if( i_packet_size_left > 0 )
{
- if( stream_Read( p_input->s, NULL, i_packet_size_left )
+ if( stream_Read( p_demux->s, NULL, i_packet_size_left )
< i_packet_size_left )
{
- msg_Warn( p_input, "cannot skip data, EOF ?" );
- return( 0 );
+ msg_Warn( p_demux, "cannot skip data, EOF ?" );
+ return 0;
}
}
- return( 1 );
+ return 1;
loop_error_recovery:
- msg_Warn( p_input, "unsupported packet header" );
+ msg_Warn( p_demux, "unsupported packet header" );
+ if( p_sys->p_fp->i_min_data_packet_size != p_sys->p_fp->i_max_data_packet_size )
+ {
+ msg_Err( p_demux, "unsupported packet header, fatal error" );
+ return -1;
+ }
+ stream_Read( p_demux->s, NULL, i_data_packet_min );
+
+ return 1;
+}
+
+/*****************************************************************************
+ *
+ *****************************************************************************/
+static int DemuxInit( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ vlc_bool_t b_seekable;
+ int i;
+
+ unsigned int i_stream;
+ asf_object_content_description_t *p_cd;
+
+ /* init context */
+ p_sys->i_time = -1;
+ p_sys->i_length = 0;
+ p_sys->i_bitrate = 0;
+ p_sys->p_root = NULL;
+ p_sys->p_fp = NULL;
+ p_sys->i_track = 0;
+ for( i = 0; i < 128; i++ )
+ {
+ p_sys->track[i] = NULL;
+ }
+ p_sys->i_data_begin = -1;
+ p_sys->i_data_end = -1;
+ p_sys->meta = NULL;
+
+ /* Now load all object ( except raw data ) */
+ stream_Control( p_demux->s, STREAM_CAN_FASTSEEK, &b_seekable );
+ if( (p_sys->p_root = ASF_ReadObjectRoot( p_demux->s, b_seekable )) == NULL )
+ {
+ msg_Warn( p_demux, "ASF plugin discarded (not a valid file)" );
+ return VLC_EGENERIC;
+ }
+ p_sys->p_fp = p_sys->p_root->p_fp;
+
if( p_sys->p_fp->i_min_data_packet_size != p_sys->p_fp->i_max_data_packet_size )
{
- msg_Err( p_input, "unsupported packet header, fatal error" );
- return( -1 );
+ msg_Warn( p_demux, "ASF plugin discarded (invalid file_properties object)" );
+ goto error;
+ }
+
+ p_sys->i_track = ASF_CountObject( p_sys->p_root->p_hdr,
+ &asf_object_stream_properties_guid );
+ if( p_sys->i_track <= 0 )
+ {
+ msg_Warn( p_demux, "ASF plugin discarded (cannot find any stream!)" );
+ goto error;
+ }
+
+ msg_Dbg( p_demux, "found %d streams", p_sys->i_track );
+
+ for( i_stream = 0; i_stream < p_sys->i_track; i_stream ++ )
+ {
+ asf_track_t *tk;
+ asf_object_stream_properties_t *p_sp;
+ vlc_bool_t b_access_selected;
+
+ p_sp = ASF_FindObject( p_sys->p_root->p_hdr,
+ &asf_object_stream_properties_guid,
+ i_stream );
+
+ tk = p_sys->track[p_sp->i_stream_number] = malloc( sizeof( asf_track_t ) );
+ memset( tk, 0, sizeof( asf_track_t ) );
+
+ tk->i_time = -1;
+ tk->p_sp = p_sp;
+ tk->p_es = NULL;
+ tk->p_frame = NULL;
+
+ /* Check (in case of mms) if this track is selected (ie will receive data) */
+ if( !stream_Control( p_demux->s, STREAM_CONTROL_ACCESS, ACCESS_GET_PRIVATE_ID_STATE,
+ p_sp->i_stream_number, &b_access_selected ) &&
+ !b_access_selected )
+ {
+ tk->i_cat = UNKNOWN_ES;
+ msg_Dbg( p_demux, "ignoring not selected stream(ID:%d) (by access)",
+ p_sp->i_stream_number );
+ continue;
+ }
+
+ if( ASF_CmpGUID( &p_sp->i_stream_type, &asf_object_stream_type_audio ) &&
+ p_sp->i_type_specific_data_length >= sizeof( WAVEFORMATEX ) - 2 )
+ {
+ es_format_t fmt;
+ uint8_t *p_data = p_sp->p_type_specific_data;
+ int i_format;
+
+ es_format_Init( &fmt, AUDIO_ES, 0 );
+ i_format = GetWLE( &p_data[0] );
+ wf_tag_to_fourcc( i_format, &fmt.i_codec, NULL );
+ fmt.audio.i_channels = GetWLE( &p_data[2] );
+ fmt.audio.i_rate = GetDWLE( &p_data[4] );
+ fmt.i_bitrate = GetDWLE( &p_data[8] ) * 8;
+ fmt.audio.i_blockalign = GetWLE( &p_data[12] );
+ fmt.audio.i_bitspersample = GetWLE( &p_data[14] );
+
+ if( p_sp->i_type_specific_data_length > sizeof( WAVEFORMATEX ) &&
+ i_format != WAVE_FORMAT_MPEGLAYER3 &&
+ i_format != WAVE_FORMAT_MPEG )
+ {
+ fmt.i_extra = __MIN( GetWLE( &p_data[16] ),
+ p_sp->i_type_specific_data_length -
+ sizeof( WAVEFORMATEX ) );
+ fmt.p_extra = malloc( fmt.i_extra );
+ memcpy( fmt.p_extra, &p_data[sizeof( WAVEFORMATEX )],
+ fmt.i_extra );
+ }
+
+ tk->i_cat = AUDIO_ES;
+ tk->p_es = es_out_Add( p_demux->out, &fmt );
+ es_format_Clean( &fmt );
+
+ msg_Dbg( p_demux, "added new audio stream(codec:0x%x,ID:%d)",
+ GetWLE( p_data ), p_sp->i_stream_number );
+ }
+ else if( ASF_CmpGUID( &p_sp->i_stream_type,
+ &asf_object_stream_type_video ) &&
+ p_sp->i_type_specific_data_length >= 11 +
+ sizeof( BITMAPINFOHEADER ) )
+ {
+ es_format_t fmt;
+ uint8_t *p_data = &p_sp->p_type_specific_data[11];
+
+ es_format_Init( &fmt, VIDEO_ES,
+ VLC_FOURCC( p_data[16], p_data[17],
+ p_data[18], p_data[19] ) );
+ fmt.video.i_width = GetDWLE( p_data + 4 );
+ fmt.video.i_height= GetDWLE( p_data + 8 );
+
+ if( p_sp->i_type_specific_data_length > 11 +
+ sizeof( BITMAPINFOHEADER ) )
+ {
+ fmt.i_extra = __MIN( GetDWLE( p_data ),
+ p_sp->i_type_specific_data_length - 11 -
+ sizeof( BITMAPINFOHEADER ) );
+ fmt.p_extra = malloc( fmt.i_extra );
+ memcpy( fmt.p_extra, &p_data[sizeof( BITMAPINFOHEADER )],
+ fmt.i_extra );
+ }
+
+ /* Look for an aspect ratio */
+ if( p_sys->p_root->p_metadata )
+ {
+ asf_object_metadata_t *p_meta = p_sys->p_root->p_metadata;
+ int i, i_aspect_x = 0, i_aspect_y = 0;
+
+ for( i = 0; i < p_meta->i_record_entries_count; i++ )
+ {
+ if( !strcmp( p_meta->record[i].psz_name, "AspectRatioX" ) )
+ {
+ if( (!i_aspect_x && !p_meta->record[i].i_stream) ||
+ p_meta->record[i].i_stream ==
+ p_sp->i_stream_number )
+ i_aspect_x = p_meta->record[i].i_val;
+ }
+ if( !strcmp( p_meta->record[i].psz_name, "AspectRatioY" ) )
+ {
+ if( (!i_aspect_y && !p_meta->record[i].i_stream) ||
+ p_meta->record[i].i_stream ==
+ p_sp->i_stream_number )
+ i_aspect_y = p_meta->record[i].i_val;
+ }
+ }
+
+ if( i_aspect_x && i_aspect_y )
+ {
+ fmt.video.i_aspect = i_aspect_x *
+ (int64_t)fmt.video.i_width * VOUT_ASPECT_FACTOR /
+ fmt.video.i_height / i_aspect_y;
+ }
+ }
+
+ tk->i_cat = VIDEO_ES;
+ tk->p_es = es_out_Add( p_demux->out, &fmt );
+ es_format_Clean( &fmt );
+
+ msg_Dbg( p_demux, "added new video stream(ID:%d)",
+ p_sp->i_stream_number );
+ }
+ else
+ {
+ tk->i_cat = UNKNOWN_ES;
+ msg_Dbg( p_demux, "ignoring unknown stream(ID:%d)",
+ p_sp->i_stream_number );
+ }
}
- stream_Read( p_input->s, NULL, i_data_packet_min );
- return( 1 );
+ p_sys->i_data_begin = p_sys->p_root->p_data->i_object_pos + 50;
+ if( p_sys->p_root->p_data->i_object_size != 0 )
+ { /* local file */
+ p_sys->i_data_end = p_sys->p_root->p_data->i_object_pos +
+ p_sys->p_root->p_data->i_object_size;
+ }
+ else
+ { /* live/broacast */
+ p_sys->i_data_end = -1;
+ }
+
+
+ /* go to first packet */
+ stream_Seek( p_demux->s, p_sys->i_data_begin );
+
+ /* try to calculate movie time */
+ if( p_sys->p_fp->i_data_packets_count > 0 )
+ {
+ int64_t i_count;
+ int64_t i_size = stream_Size( p_demux->s );
+
+ if( p_sys->i_data_end > 0 && i_size > p_sys->i_data_end )
+ {
+ i_size = p_sys->i_data_end;
+ }
+
+ /* real number of packets */
+ i_count = ( i_size - p_sys->i_data_begin ) /
+ p_sys->p_fp->i_min_data_packet_size;
+
+ /* calculate the time duration in micro-s */
+ p_sys->i_length = (mtime_t)p_sys->p_fp->i_play_duration / 10 *
+ (mtime_t)i_count /
+ (mtime_t)p_sys->p_fp->i_data_packets_count;
+
+ if( p_sys->i_length > 0 )
+ {
+ p_sys->i_bitrate = 8 * i_size * (int64_t)1000000 / p_sys->i_length;
+ }
+ }
+
+ /* Create meta information */
+ p_sys->meta = vlc_meta_New();
+
+ if( ( p_cd = ASF_FindObject( p_sys->p_root->p_hdr,
+ &asf_object_content_description_guid, 0 ) ) )
+ {
+ if( p_cd->psz_title && *p_cd->psz_title )
+ {
+ vlc_meta_Add( p_sys->meta, VLC_META_TITLE, p_cd->psz_title );
+ }
+ if( p_cd->psz_author && *p_cd->psz_author )
+ {
+ vlc_meta_Add( p_sys->meta, VLC_META_AUTHOR, p_cd->psz_author );
+ }
+ if( p_cd->psz_copyright && *p_cd->psz_copyright )
+ {
+ vlc_meta_Add( p_sys->meta, VLC_META_COPYRIGHT, p_cd->psz_copyright );
+ }
+ if( p_cd->psz_description && *p_cd->psz_description )
+ {
+ vlc_meta_Add( p_sys->meta, VLC_META_DESCRIPTION, p_cd->psz_description );
+ }
+ if( p_cd->psz_rating && *p_cd->psz_rating )
+ {
+ vlc_meta_Add( p_sys->meta, VLC_META_RATING, p_cd->psz_rating );
+ }
+ }
+ for( i_stream = 0, i = 0; i < 128; i++ )
+ {
+ asf_object_codec_list_t *p_cl = ASF_FindObject( p_sys->p_root->p_hdr,
+ &asf_object_codec_list_guid, 0 );
+
+ if( p_sys->track[i] )
+ {
+ vlc_meta_t *tk = vlc_meta_New();
+ TAB_APPEND( p_sys->meta->i_track, p_sys->meta->track, tk );
+
+ if( p_cl && i_stream < p_cl->i_codec_entries_count )
+ {
+ if( p_cl->codec[i_stream].psz_name &&
+ *p_cl->codec[i_stream].psz_name )
+ {
+ vlc_meta_Add( tk, VLC_META_CODEC_NAME,
+ p_cl->codec[i_stream].psz_name );
+ }
+ if( p_cl->codec[i_stream].psz_description &&
+ *p_cl->codec[i_stream].psz_description )
+ {
+ vlc_meta_Add( tk, VLC_META_CODEC_DESCRIPTION,
+ p_cl->codec[i_stream].psz_description );
+ }
+ }
+ i_stream++;
+ }
+ }
+
+ es_out_Control( p_demux->out, ES_OUT_RESET_PCR );
+ return VLC_SUCCESS;
+
+error:
+ ASF_FreeObjectRoot( p_demux->s, p_sys->p_root );
+ return VLC_EGENERIC;
}
+/*****************************************************************************
+ *
+ *****************************************************************************/
+static void DemuxEnd( demux_t *p_demux )
+{
+ demux_sys_t *p_sys = p_demux->p_sys;
+ int i;
+
+ if( p_sys->p_root )
+ {
+ ASF_FreeObjectRoot( p_demux->s, p_sys->p_root );
+ p_sys->p_root = NULL;
+ }
+ if( p_sys->meta )
+ {
+ vlc_meta_Delete( p_sys->meta );
+ p_sys->meta = NULL;
+ }
+
+ for( i = 0; i < 128; i++ )
+ {
+ asf_track_t *tk = p_sys->track[i];
+ if( tk )
+ {
+ if( tk->p_frame )
+ {
+ block_ChainRelease( tk->p_frame );
+ }
+ if( tk->p_es )
+ {
+ es_out_Del( p_demux->out, tk->p_es );
+ }
+ free( tk );
+ }
+ p_sys->track[i] = 0;
+ }
+}
projects / vlc / blobdiff