2003-08-24 18:38:38 +02:00
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/*****************************************************************************
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* asf.c
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*****************************************************************************
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* Copyright (C) 2003 VideoLAN
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2003-08-27 01:14:11 +02:00
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* $Id: asf.c,v 1.5 2003/08/26 23:14:11 fenrir Exp $
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2003-08-24 18:38:38 +02:00
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*
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* Authors: Laurent Aimar <fenrir@via.ecp.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#include <stdlib.h>
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#include <vlc/vlc.h>
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#include <vlc/input.h>
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#include <vlc/sout.h>
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#include "codecs.h"
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/*****************************************************************************
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* Module descriptor
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*****************************************************************************/
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static int Open ( vlc_object_t * );
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static void Close ( vlc_object_t * );
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vlc_module_begin();
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set_description( _("Asf muxer") );
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set_capability( "sout mux", 5 );
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add_shortcut( "asf" );
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2003-08-25 03:31:25 +02:00
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add_shortcut( "asfh" );
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2003-08-24 18:38:38 +02:00
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set_callbacks( Open, Close );
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vlc_module_end();
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/*****************************************************************************
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* Locales prototypes
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*****************************************************************************/
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static int Capability(sout_mux_t *, int, void *, void * );
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static int AddStream( sout_mux_t *, sout_input_t * );
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static int DelStream( sout_mux_t *, sout_input_t * );
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static int Mux ( sout_mux_t * );
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typedef struct
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{
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uint32_t v1; /* le */
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uint16_t v2; /* le */
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uint16_t v3; /* le */
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uint8_t v4[8];
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} guid_t;
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typedef struct
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{
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int i_id;
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int i_cat;
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int i_sequence;
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int i_extra;
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uint8_t *p_extra;
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} asf_track_t;
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struct sout_mux_sys_t
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{
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guid_t fid; /* file id */
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int i_packet_size;
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int64_t i_packet_count;
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mtime_t i_dts_first;
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2003-08-25 00:20:43 +02:00
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mtime_t i_dts_last;
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int64_t i_bitrate;
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2003-08-24 18:38:38 +02:00
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int i_track;
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asf_track_t track[128];
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vlc_bool_t b_write_header;
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sout_buffer_t *pk;
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int i_pk_used;
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int i_pk_frame;
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mtime_t i_pk_dts;
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2003-08-25 03:31:25 +02:00
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vlc_bool_t b_asf_http;
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int i_seq;
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2003-08-24 18:38:38 +02:00
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};
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static int MuxGetStream( sout_mux_t *, int *pi_stream, mtime_t *pi_dts );
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static sout_buffer_t *asf_header_create( sout_mux_t *, vlc_bool_t b_broadcast );
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static sout_buffer_t *asf_packet_create( sout_mux_t *,
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asf_track_t *, sout_buffer_t * );
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2003-08-25 03:31:25 +02:00
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static sout_buffer_t *asf_stream_end_create( sout_mux_t *);
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2003-08-24 18:38:38 +02:00
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typedef struct
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{
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int i_buffer_size;
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int i_buffer;
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uint8_t *p_buffer;
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} bo_t;
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static void bo_init ( bo_t *, uint8_t *, int );
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static void bo_add_u8 ( bo_t *, uint8_t );
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static void bo_addle_u16( bo_t *, uint16_t );
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static void bo_addle_u32( bo_t *, uint32_t );
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static void bo_addle_u64( bo_t *, uint64_t );
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static void bo_add_mem ( bo_t *, uint8_t *, int );
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/*****************************************************************************
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* Open:
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*****************************************************************************/
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static int Open( vlc_object_t *p_this )
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{
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sout_mux_t *p_mux = (sout_mux_t*)p_this;
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sout_mux_sys_t *p_sys;
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int i;
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msg_Dbg( p_mux, "Asf muxer opened" );
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p_mux->pf_capacity = Capability;
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p_mux->pf_addstream = AddStream;
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p_mux->pf_delstream = DelStream;
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p_mux->pf_mux = Mux;
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p_mux->p_sys = p_sys = malloc( sizeof( sout_mux_sys_t ) );
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2003-08-25 03:31:25 +02:00
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p_sys->b_asf_http = p_mux->psz_mux && !strcmp( p_mux->psz_mux, "asfh" );
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if( p_sys->b_asf_http )
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{
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msg_Dbg( p_mux, "creating asf stream to be used with mmsh" );
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}
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2003-08-24 18:38:38 +02:00
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p_sys->pk = NULL;
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2003-08-25 00:20:43 +02:00
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p_sys->i_pk_used = 0;
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p_sys->i_pk_frame = 0;
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p_sys->i_dts_first = -1;
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p_sys->i_dts_last = 0;
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p_sys->i_bitrate = 0;
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2003-08-25 03:31:25 +02:00
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p_sys->i_seq = 0;
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2003-08-24 18:38:38 +02:00
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p_sys->b_write_header = VLC_TRUE;
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p_sys->i_track = 1;
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p_sys->i_packet_size = 4096;
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p_sys->i_packet_count= 0;
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/* generate a random fid */
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srand( mdate() & 0xffffffff );
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p_sys->fid.v1 = 0xbabac001;
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p_sys->fid.v2 = ( (uint64_t)rand() << 16 ) / RAND_MAX;
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p_sys->fid.v3 = ( (uint64_t)rand() << 16 ) / RAND_MAX;
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for( i = 0; i < 8; i++ )
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{
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p_sys->fid.v4[i] = ( (uint64_t)rand() << 8 ) / RAND_MAX;
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}
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2003-08-25 03:31:25 +02:00
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2003-08-24 18:38:38 +02:00
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return VLC_SUCCESS;
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}
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/*****************************************************************************
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* Close:
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*****************************************************************************/
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static void Close( vlc_object_t * p_this )
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{
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sout_mux_t *p_mux = (sout_mux_t*)p_this;
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sout_mux_sys_t *p_sys = p_mux->p_sys;
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2003-08-25 03:31:25 +02:00
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sout_buffer_t *out;
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2003-08-24 18:38:38 +02:00
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int i;
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msg_Dbg( p_mux, "Asf muxer closed" );
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2003-08-25 03:31:25 +02:00
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if( ( out = asf_stream_end_create( p_mux ) ) )
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{
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sout_AccessOutWrite( p_mux->p_access, out );
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}
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2003-08-24 18:38:38 +02:00
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/* rewrite header */
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if( !sout_AccessOutSeek( p_mux->p_access, 0 ) )
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{
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2003-08-25 03:31:25 +02:00
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out = asf_header_create( p_mux, VLC_FALSE );
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sout_AccessOutWrite( p_mux->p_access, out );
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2003-08-24 18:38:38 +02:00
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}
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for( i = 1; i < p_sys->i_track; i++ )
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{
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free( p_sys->track[i].p_extra );
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}
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free( p_sys );
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}
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/*****************************************************************************
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* Capability:
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*****************************************************************************/
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static int Capability( sout_mux_t *p_mux, int i_query,
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void *p_args, void *p_answer )
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{
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switch( i_query )
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{
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case SOUT_MUX_CAP_GET_ADD_STREAM_ANY_TIME:
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*(vlc_bool_t*)p_answer = VLC_FALSE;
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return( SOUT_MUX_CAP_ERR_OK );
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default:
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return( SOUT_MUX_CAP_ERR_UNIMPLEMENTED );
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}
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}
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/*****************************************************************************
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* AddStream:
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*****************************************************************************/
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static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input )
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{
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sout_mux_sys_t *p_sys = p_mux->p_sys;
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asf_track_t *tk;
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bo_t bo;
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msg_Dbg( p_mux, "adding input" );
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if( p_sys->i_track > 127 )
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{
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msg_Dbg( p_mux, "cannot add this track (too much track)" );
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return VLC_EGENERIC;
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}
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tk = p_input->p_sys = &p_sys->track[p_sys->i_track];
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tk->i_id = p_sys->i_track;
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tk->i_cat = p_input->p_fmt->i_cat;
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tk->i_sequence = 0;
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switch( tk->i_cat )
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{
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case AUDIO_ES:
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{
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uint16_t i_tag;
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int i_blockalign = p_input->p_fmt->i_block_align;
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int i_bitspersample = 0;
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2003-08-25 03:31:25 +02:00
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int i_extra = 0;
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2003-08-24 18:38:38 +02:00
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switch( p_input->p_fmt->i_fourcc )
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{
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case VLC_FOURCC( 'a', '5', '2', ' ' ):
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i_tag = WAVE_FORMAT_A52;
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break;
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case VLC_FOURCC( 'm', 'p', 'g', 'a' ):
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2003-08-27 01:14:11 +02:00
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#if 1
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2003-08-24 18:38:38 +02:00
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i_tag = WAVE_FORMAT_MPEGLAYER3;
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2003-08-27 01:14:11 +02:00
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i_blockalign = 1;
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2003-08-25 03:31:25 +02:00
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i_extra = 12;
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2003-08-24 18:38:38 +02:00
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break;
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2003-08-27 01:14:11 +02:00
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#else
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i_tag = WAVE_FORMAT_MPEG;
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i_blockalign = 1;
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i_extra = 22;
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break;
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#endif
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2003-08-24 18:38:38 +02:00
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case VLC_FOURCC( 'w', 'm', 'a', '1' ):
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i_tag = WAVE_FORMAT_WMA1;
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break;
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case VLC_FOURCC( 'w', 'm', 'a', '2' ):
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i_tag = WAVE_FORMAT_WMA2;
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break;
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case VLC_FOURCC( 'w', 'm', 'a', '3' ):
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i_tag = WAVE_FORMAT_WMA3;
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break;
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/* raw codec */
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case VLC_FOURCC( 'u', '8', ' ', ' ' ):
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i_tag = WAVE_FORMAT_PCM;
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i_blockalign= p_input->p_fmt->i_channels;
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i_bitspersample = 8;
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break;
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case VLC_FOURCC( 's', '1', '6', 'l' ):
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i_tag = WAVE_FORMAT_PCM;
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i_blockalign= 2 * p_input->p_fmt->i_channels;
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i_bitspersample = 16;
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break;
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case VLC_FOURCC( 's', '2', '4', 'l' ):
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i_tag = WAVE_FORMAT_PCM;
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i_blockalign= 3 * p_input->p_fmt->i_channels;
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i_bitspersample = 24;
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break;
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case VLC_FOURCC( 's', '3', '2', 'l' ):
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i_tag = WAVE_FORMAT_PCM;
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i_blockalign= 4 * p_input->p_fmt->i_channels;
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i_bitspersample = 32;
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break;
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default:
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return VLC_EGENERIC;
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}
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2003-08-27 01:14:11 +02:00
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tk->i_extra = sizeof( WAVEFORMATEX ) +
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p_input->p_fmt->i_extra_data + i_extra;
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2003-08-24 18:38:38 +02:00
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tk->p_extra = malloc( tk->i_extra );
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bo_init( &bo, tk->p_extra, tk->i_extra );
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bo_addle_u16( &bo, i_tag );
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bo_addle_u16( &bo, p_input->p_fmt->i_channels );
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bo_addle_u32( &bo, p_input->p_fmt->i_sample_rate );
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bo_addle_u32( &bo, p_input->p_fmt->i_bitrate / 8 );
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bo_addle_u16( &bo, i_blockalign );
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bo_addle_u16( &bo, i_bitspersample );
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2003-08-25 00:20:43 +02:00
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if( p_input->p_fmt->i_extra_data > 0 )
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{
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2003-08-25 03:31:25 +02:00
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bo_addle_u16( &bo, p_input->p_fmt->i_extra_data );
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2003-08-25 00:20:43 +02:00
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bo_add_mem ( &bo, p_input->p_fmt->p_extra_data,
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p_input->p_fmt->i_extra_data );
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}
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2003-08-25 03:31:25 +02:00
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else
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{
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bo_addle_u16( &bo, i_extra );
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if( i_tag == WAVE_FORMAT_MPEGLAYER3 )
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{
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2003-08-27 01:14:11 +02:00
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msg_Dbg( p_mux, "adding mp3 header" );
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2003-08-25 03:31:25 +02:00
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bo_addle_u16( &bo, 1 ); /* wId */
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bo_addle_u32( &bo, 2 ); /* fdwFlags */
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bo_addle_u16( &bo, 1152 ); /* nBlockSize */
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bo_addle_u16( &bo, 1 ); /* nFramesPerBlock */
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bo_addle_u16( &bo, 1393 ); /* nCodecDelay */
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}
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2003-08-27 01:14:11 +02:00
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else if( i_tag == WAVE_FORMAT_MPEG )
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{
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msg_Dbg( p_mux, "adding mp2 header" );
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bo_addle_u16( &bo, 2 ); /* fwHeadLayer */
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|
|
bo_addle_u32( &bo, p_input->p_fmt->i_bitrate );
|
|
|
|
bo_addle_u16( &bo, p_input->p_fmt->i_channels == 2 ?1:8 );
|
|
|
|
bo_addle_u16( &bo, 0 ); /* fwHeadModeExt */
|
|
|
|
bo_addle_u16( &bo, 1 ); /* wHeadEmphasis */
|
|
|
|
bo_addle_u16( &bo, 16 ); /* fwHeadFlags */
|
|
|
|
bo_addle_u32( &bo, 0 ); /* dwPTSLow */
|
|
|
|
bo_addle_u32( &bo, 0 ); /* dwPTSHigh */
|
|
|
|
}
|
2003-08-25 03:31:25 +02:00
|
|
|
}
|
|
|
|
|
2003-08-25 00:20:43 +02:00
|
|
|
if( p_input->p_fmt->i_bitrate > 24000 )
|
|
|
|
{
|
|
|
|
p_sys->i_bitrate += p_input->p_fmt->i_bitrate;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
p_sys->i_bitrate += 512000;
|
|
|
|
}
|
2003-08-24 18:38:38 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
case VIDEO_ES:
|
|
|
|
{
|
|
|
|
tk->i_extra = 11 + sizeof( BITMAPINFOHEADER ) +
|
|
|
|
p_input->p_fmt->i_extra_data;
|
|
|
|
tk->p_extra = malloc( tk->i_extra );
|
|
|
|
bo_init( &bo, tk->p_extra, tk->i_extra );
|
|
|
|
bo_addle_u32( &bo, p_input->p_fmt->i_width );
|
|
|
|
bo_addle_u32( &bo, p_input->p_fmt->i_height );
|
|
|
|
bo_add_u8 ( &bo, 0x02 ); /* flags */
|
|
|
|
bo_addle_u16( &bo, sizeof( BITMAPINFOHEADER ) +
|
|
|
|
p_input->p_fmt->i_extra_data );
|
|
|
|
bo_addle_u32( &bo, sizeof( BITMAPINFOHEADER ) +
|
|
|
|
p_input->p_fmt->i_extra_data );
|
|
|
|
bo_addle_u32( &bo, p_input->p_fmt->i_width );
|
|
|
|
bo_addle_u32( &bo, p_input->p_fmt->i_height );
|
|
|
|
bo_addle_u16( &bo, 1 );
|
|
|
|
bo_addle_u16( &bo, 24 );
|
|
|
|
if( p_input->p_fmt->i_fourcc == VLC_FOURCC('m','p','4','v') )
|
|
|
|
{
|
|
|
|
bo_add_mem( &bo, "MP4S", 4 );
|
|
|
|
}
|
|
|
|
else if( p_input->p_fmt->i_fourcc == VLC_FOURCC('D','I','V','3') )
|
|
|
|
{
|
|
|
|
bo_add_mem( &bo, "MP43", 4 );
|
|
|
|
}
|
2003-08-27 01:14:11 +02:00
|
|
|
else if( p_input->p_fmt->i_fourcc == VLC_FOURCC('D','I','V','2') )
|
|
|
|
{
|
|
|
|
bo_add_mem( &bo, "MP42", 4 );
|
|
|
|
}
|
|
|
|
else if( p_input->p_fmt->i_fourcc == VLC_FOURCC('D','I','V','1') )
|
|
|
|
{
|
|
|
|
bo_add_mem( &bo, "MPG4", 4 );
|
|
|
|
}
|
2003-08-24 18:38:38 +02:00
|
|
|
else
|
|
|
|
{
|
|
|
|
bo_add_mem( &bo, (uint8_t*)&p_input->p_fmt->i_fourcc, 4 );
|
|
|
|
}
|
|
|
|
bo_addle_u32( &bo, 0 );
|
|
|
|
bo_addle_u32( &bo, 0 );
|
|
|
|
bo_addle_u32( &bo, 0 );
|
|
|
|
bo_addle_u32( &bo, 0 );
|
|
|
|
bo_addle_u32( &bo, 0 );
|
2003-08-25 00:20:43 +02:00
|
|
|
if( p_input->p_fmt->i_extra_data > 0 )
|
|
|
|
{
|
|
|
|
bo_add_mem ( &bo, p_input->p_fmt->p_extra_data,
|
|
|
|
p_input->p_fmt->i_extra_data );
|
|
|
|
}
|
|
|
|
|
2003-08-27 01:14:11 +02:00
|
|
|
if( p_input->p_fmt->i_bitrate > 50000 )
|
|
|
|
{
|
|
|
|
p_sys->i_bitrate += p_input->p_fmt->i_bitrate;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
p_sys->i_bitrate += 1000000;
|
|
|
|
}
|
2003-08-24 18:38:38 +02:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
default:
|
|
|
|
msg_Err(p_mux, "unhandled track type" );
|
|
|
|
return VLC_EGENERIC;
|
|
|
|
}
|
|
|
|
|
|
|
|
p_sys->i_track++;
|
|
|
|
return VLC_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*****************************************************************************
|
|
|
|
* DelStream:
|
|
|
|
*****************************************************************************/
|
|
|
|
static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
|
|
|
|
{
|
|
|
|
msg_Dbg( p_mux, "removing input" );
|
|
|
|
return VLC_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*****************************************************************************
|
|
|
|
* Mux:
|
|
|
|
*****************************************************************************/
|
|
|
|
static int Mux ( sout_mux_t *p_mux )
|
|
|
|
{
|
|
|
|
sout_mux_sys_t *p_sys = p_mux->p_sys;
|
|
|
|
|
|
|
|
if( p_sys->b_write_header )
|
|
|
|
{
|
|
|
|
sout_buffer_t *out = asf_header_create( p_mux, VLC_TRUE );
|
|
|
|
|
|
|
|
out->i_flags |= SOUT_BUFFER_FLAGS_HEADER;
|
|
|
|
sout_AccessOutWrite( p_mux->p_access, out );
|
|
|
|
|
|
|
|
p_sys->b_write_header = VLC_FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
for( ;; )
|
|
|
|
{
|
|
|
|
sout_input_t *p_input;
|
|
|
|
asf_track_t *tk;
|
|
|
|
int i_stream;
|
|
|
|
mtime_t i_dts;
|
|
|
|
sout_buffer_t *data;
|
|
|
|
sout_buffer_t *pk;
|
|
|
|
|
|
|
|
if( MuxGetStream( p_mux, &i_stream, &i_dts ) )
|
|
|
|
{
|
|
|
|
/* not enough data */
|
|
|
|
return VLC_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
if( p_sys->i_dts_first < 0 )
|
|
|
|
{
|
|
|
|
p_sys->i_dts_first = i_dts;
|
|
|
|
}
|
2003-08-25 00:20:43 +02:00
|
|
|
if( p_sys->i_dts_last < i_dts )
|
|
|
|
{
|
|
|
|
p_sys->i_dts_last = i_dts;
|
|
|
|
}
|
2003-08-24 18:38:38 +02:00
|
|
|
|
|
|
|
p_input = p_mux->pp_inputs[i_stream];
|
|
|
|
tk = (asf_track_t*)p_input->p_sys;
|
|
|
|
|
|
|
|
data = sout_FifoGet( p_input->p_fifo );
|
|
|
|
|
|
|
|
if( ( pk = asf_packet_create( p_mux, tk, data ) ) )
|
|
|
|
{
|
|
|
|
sout_AccessOutWrite( p_mux->p_access, pk );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return VLC_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
static int MuxGetStream( sout_mux_t *p_mux,
|
|
|
|
int *pi_stream,
|
|
|
|
mtime_t *pi_dts )
|
|
|
|
{
|
|
|
|
mtime_t i_dts;
|
|
|
|
int i_stream;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for( i = 0, i_dts = 0, i_stream = -1; i < p_mux->i_nb_inputs; i++ )
|
|
|
|
{
|
|
|
|
sout_input_t *p_input = p_mux->pp_inputs[i];
|
|
|
|
sout_buffer_t *p_data;
|
|
|
|
|
|
|
|
if( p_input->p_fifo->i_depth <= 0 )
|
|
|
|
{
|
|
|
|
if( p_input->p_fmt->i_cat == AUDIO_ES ||
|
|
|
|
p_input->p_fmt->i_cat == VIDEO_ES )
|
|
|
|
{
|
|
|
|
/* We need that audio+video fifo contain at least 1 packet */
|
|
|
|
return VLC_EGENERIC;
|
|
|
|
}
|
|
|
|
/* SPU */
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
|
|
|
|
p_data = sout_FifoShow( p_input->p_fifo );
|
|
|
|
if( i_stream == -1 ||
|
|
|
|
p_data->i_dts < i_dts )
|
|
|
|
{
|
|
|
|
i_stream = i;
|
|
|
|
i_dts = p_data->i_dts;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
*pi_stream = i_stream;
|
|
|
|
*pi_dts = i_dts;
|
|
|
|
|
|
|
|
return VLC_SUCCESS;
|
|
|
|
}
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Asf header construction
|
|
|
|
****************************************************************************/
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* Buffer out
|
|
|
|
****************************************************************************/
|
|
|
|
static void bo_init( bo_t *p_bo, uint8_t *p_buffer, int i_size )
|
|
|
|
{
|
|
|
|
p_bo->i_buffer_size = i_size;
|
|
|
|
p_bo->i_buffer = 0;
|
|
|
|
p_bo->p_buffer = p_buffer;
|
|
|
|
}
|
|
|
|
static void bo_add_u8( bo_t *p_bo, uint8_t i )
|
|
|
|
{
|
|
|
|
if( p_bo->i_buffer < p_bo->i_buffer_size )
|
|
|
|
{
|
|
|
|
p_bo->p_buffer[p_bo->i_buffer] = i;
|
|
|
|
}
|
|
|
|
p_bo->i_buffer++;
|
|
|
|
}
|
|
|
|
static void bo_addle_u16( bo_t *p_bo, uint16_t i )
|
|
|
|
{
|
|
|
|
bo_add_u8( p_bo, i &0xff );
|
|
|
|
bo_add_u8( p_bo, ( ( i >> 8) &0xff ) );
|
|
|
|
}
|
|
|
|
static void bo_addle_u32( bo_t *p_bo, uint32_t i )
|
|
|
|
{
|
|
|
|
bo_addle_u16( p_bo, i &0xffff );
|
|
|
|
bo_addle_u16( p_bo, ( ( i >> 16) &0xffff ) );
|
|
|
|
}
|
|
|
|
static void bo_addle_u64( bo_t *p_bo, uint64_t i )
|
|
|
|
{
|
|
|
|
bo_addle_u32( p_bo, i &0xffffffff );
|
|
|
|
bo_addle_u32( p_bo, ( ( i >> 32) &0xffffffff ) );
|
|
|
|
}
|
|
|
|
|
|
|
|
static void bo_add_mem( bo_t *p_bo, uint8_t *p_mem, int i_size )
|
|
|
|
{
|
|
|
|
int i_copy = __MIN( i_size, p_bo->i_buffer_size - p_bo->i_buffer );
|
|
|
|
|
|
|
|
if( i_copy > 0 )
|
|
|
|
{
|
|
|
|
memcpy( &p_bo->p_buffer[p_bo->i_buffer],
|
|
|
|
p_mem,
|
|
|
|
i_copy );
|
|
|
|
}
|
|
|
|
p_bo->i_buffer += i_size;
|
|
|
|
}
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
* guid
|
|
|
|
****************************************************************************/
|
|
|
|
static void bo_add_guid( bo_t *p_bo, const guid_t *id )
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
bo_addle_u32( p_bo, id->v1 );
|
|
|
|
bo_addle_u16( p_bo, id->v2 );
|
|
|
|
bo_addle_u16( p_bo, id->v3 );
|
|
|
|
for( i = 0; i < 8; i++ )
|
|
|
|
{
|
|
|
|
bo_add_u8( p_bo, id->v4[i] );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static const guid_t asf_object_header_guid =
|
|
|
|
{
|
|
|
|
0x75B22630,
|
|
|
|
0x668E,
|
|
|
|
0x11CF,
|
|
|
|
{ 0xA6,0xD9, 0x00,0xAA,0x00,0x62,0xCE,0x6C }
|
|
|
|
};
|
|
|
|
static const guid_t asf_object_data_guid =
|
|
|
|
{
|
|
|
|
0x75B22636,
|
|
|
|
0x668E,
|
|
|
|
0x11CF,
|
|
|
|
{ 0xA6,0xD9, 0x00,0xAA,0x00,0x62,0xCE,0x6C }
|
|
|
|
};
|
|
|
|
|
|
|
|
static const guid_t asf_object_file_properties_guid =
|
|
|
|
{
|
|
|
|
0x8cabdca1,
|
|
|
|
0xa947,
|
|
|
|
0x11cf,
|
|
|
|
{ 0x8e,0xe4, 0x00,0xC0,0x0C,0x20,0x53,0x65 }
|
|
|
|
|
|
|
|
};
|
|
|
|
static const guid_t asf_object_stream_properties_guid =
|
|
|
|
{
|
|
|
|
0xB7DC0791,
|
|
|
|
0xA9B7,
|
|
|
|
0x11CF,
|
|
|
|
{ 0x8E,0xE6, 0x00,0xC0,0x0C,0x20,0x53,0x65 }
|
|
|
|
|
|
|
|
};
|
|
|
|
static const guid_t asf_object_header_extention_guid =
|
|
|
|
{
|
|
|
|
0x5FBF03B5,
|
|
|
|
0xA92E,
|
|
|
|
0x11CF,
|
|
|
|
{ 0x8E,0xE3, 0x00,0xC0,0x0C,0x20,0x53,0x65 }
|
|
|
|
};
|
|
|
|
|
|
|
|
static const guid_t asf_object_stream_type_audio =
|
|
|
|
{
|
|
|
|
0xF8699E40,
|
|
|
|
0x5B4D,
|
|
|
|
0x11CF,
|
|
|
|
{ 0xA8,0xFD, 0x00,0x80,0x5F,0x5C,0x44,0x2B }
|
|
|
|
};
|
|
|
|
|
|
|
|
static const guid_t asf_object_stream_type_video =
|
|
|
|
{
|
|
|
|
0xbc19efc0,
|
|
|
|
0x5B4D,
|
|
|
|
0x11CF,
|
|
|
|
{ 0xA8,0xFD, 0x00,0x80,0x5F,0x5C,0x44,0x2B }
|
|
|
|
};
|
|
|
|
|
|
|
|
static const guid_t asf_guid_audio_conceal_none =
|
|
|
|
{
|
|
|
|
0x20FB5700,
|
|
|
|
0x5B55,
|
|
|
|
0x11CF,
|
|
|
|
{ 0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B }
|
|
|
|
};
|
|
|
|
static const guid_t asf_guid_video_conceal_none =
|
|
|
|
{
|
|
|
|
0x20FB5700,
|
|
|
|
0x5B55,
|
|
|
|
0x11CF,
|
|
|
|
{ 0xA8, 0xFD, 0x00, 0x80, 0x5F, 0x5C, 0x44, 0x2B }
|
|
|
|
};
|
|
|
|
static const guid_t asf_guid_reserved_1 =
|
|
|
|
{
|
|
|
|
0xABD3D211,
|
|
|
|
0xA9BA,
|
|
|
|
0x11cf,
|
|
|
|
{ 0x8E, 0xE6,0x00, 0xC0, 0x0C ,0x20, 0x53, 0x65 }
|
|
|
|
};
|
|
|
|
|
2003-08-25 03:31:25 +02:00
|
|
|
static void asf_chunk_add( bo_t *bo,
|
|
|
|
int i_type, int i_len, int i_flags, int i_seq )
|
|
|
|
{
|
|
|
|
bo_addle_u16( bo, i_type );
|
|
|
|
bo_addle_u16( bo, i_len + 8 );
|
|
|
|
bo_addle_u32( bo, i_seq );
|
|
|
|
bo_addle_u16( bo, i_flags );
|
|
|
|
bo_addle_u16( bo, i_len + 8 );
|
|
|
|
}
|
|
|
|
|
2003-08-24 18:38:38 +02:00
|
|
|
static sout_buffer_t *asf_header_create( sout_mux_t *p_mux,
|
|
|
|
vlc_bool_t b_broadcast )
|
|
|
|
{
|
|
|
|
sout_mux_sys_t *p_sys = p_mux->p_sys;
|
|
|
|
asf_track_t *tk;
|
|
|
|
|
2003-08-25 00:20:43 +02:00
|
|
|
mtime_t i_duration = 0;
|
2003-08-24 18:38:38 +02:00
|
|
|
int i_size;
|
|
|
|
sout_buffer_t *out;
|
|
|
|
bo_t bo;
|
|
|
|
int i;
|
|
|
|
|
2003-08-25 00:20:43 +02:00
|
|
|
if( p_sys->i_dts_first > 0 )
|
|
|
|
{
|
|
|
|
i_duration = p_sys->i_dts_last - p_sys->i_dts_first;
|
|
|
|
if( i_duration < 0 )
|
|
|
|
{
|
|
|
|
i_duration = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2003-08-24 18:38:38 +02:00
|
|
|
/* calculate header size */
|
|
|
|
i_size = 30 + 104 + 46;
|
|
|
|
for( i = 1; i < p_sys->i_track; i++ )
|
|
|
|
{
|
|
|
|
i_size += 78 + p_sys->track[i].i_extra;
|
|
|
|
}
|
|
|
|
|
2003-08-25 03:31:25 +02:00
|
|
|
if( p_sys->b_asf_http )
|
|
|
|
{
|
|
|
|
out = sout_BufferNew( p_mux->p_sout, i_size + 50 + 12 );
|
|
|
|
bo_init( &bo, out->p_buffer, i_size + 50 + 12 );
|
|
|
|
asf_chunk_add( &bo, 0x4824, i_size + 50, 0xc00, p_sys->i_seq++ );
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
out = sout_BufferNew( p_mux->p_sout, i_size + 50 );
|
|
|
|
bo_init( &bo, out->p_buffer, i_size + 50 );
|
|
|
|
}
|
2003-08-24 18:38:38 +02:00
|
|
|
/* header object */
|
|
|
|
bo_add_guid ( &bo, &asf_object_header_guid );
|
|
|
|
bo_addle_u64( &bo, i_size );
|
2003-08-26 01:39:20 +02:00
|
|
|
bo_addle_u32( &bo, 2 + p_sys->i_track - 1 );
|
2003-08-24 18:38:38 +02:00
|
|
|
bo_add_u8 ( &bo, 1 );
|
|
|
|
bo_add_u8 ( &bo, 2 );
|
|
|
|
|
|
|
|
/* sub object */
|
|
|
|
|
|
|
|
/* file properties */
|
|
|
|
bo_add_guid ( &bo, &asf_object_file_properties_guid );
|
|
|
|
bo_addle_u64( &bo, 104 );
|
|
|
|
bo_add_guid ( &bo, &p_sys->fid );
|
2003-08-26 01:39:20 +02:00
|
|
|
bo_addle_u64( &bo, i_size + 50 + p_sys->i_packet_count *
|
2003-08-24 18:38:38 +02:00
|
|
|
p_sys->i_packet_size ); /* file size */
|
2003-08-25 00:20:43 +02:00
|
|
|
bo_addle_u64( &bo, 0 ); /* creation date */
|
2003-08-26 01:39:20 +02:00
|
|
|
bo_addle_u64( &bo, b_broadcast ? 0xffffffffLL : p_sys->i_packet_count );
|
2003-08-25 00:20:43 +02:00
|
|
|
bo_addle_u64( &bo, i_duration * 10 ); /* play duration (100ns) */
|
|
|
|
bo_addle_u64( &bo, i_duration * 10 ); /* send duration (100ns) */
|
2003-08-27 01:14:11 +02:00
|
|
|
bo_addle_u64( &bo, 3000 ); /* preroll duration (ms) */
|
2003-08-24 18:38:38 +02:00
|
|
|
bo_addle_u32( &bo, b_broadcast ? 0x01 : 0x00); /* flags */
|
|
|
|
bo_addle_u32( &bo, p_sys->i_packet_size ); /* packet size min */
|
|
|
|
bo_addle_u32( &bo, p_sys->i_packet_size ); /* packet size max */
|
2003-08-25 00:20:43 +02:00
|
|
|
bo_addle_u32( &bo, p_sys->i_bitrate ); /* maxbitrate */
|
2003-08-24 18:38:38 +02:00
|
|
|
|
|
|
|
/* header extention */
|
|
|
|
bo_add_guid ( &bo, &asf_object_header_extention_guid );
|
|
|
|
bo_addle_u64( &bo, 46 );
|
|
|
|
bo_add_guid ( &bo, &asf_guid_reserved_1 );
|
|
|
|
bo_addle_u16( &bo, 6 );
|
|
|
|
bo_addle_u32( &bo, 0 );
|
|
|
|
|
|
|
|
/* stream properties */
|
|
|
|
for( i = 1; i < p_sys->i_track; i++ )
|
|
|
|
{
|
|
|
|
tk = &p_sys->track[i];
|
|
|
|
|
|
|
|
bo_add_guid ( &bo, &asf_object_stream_properties_guid );
|
|
|
|
bo_addle_u64( &bo, 78 + tk->i_extra );
|
|
|
|
if( tk->i_cat == AUDIO_ES )
|
|
|
|
{
|
|
|
|
bo_add_guid( &bo, &asf_object_stream_type_audio );
|
|
|
|
bo_add_guid( &bo, &asf_guid_audio_conceal_none );
|
|
|
|
}
|
|
|
|
else if( tk->i_cat == VIDEO_ES )
|
|
|
|
{
|
|
|
|
bo_add_guid( &bo, &asf_object_stream_type_video );
|
|
|
|
bo_add_guid( &bo, &asf_guid_video_conceal_none );
|
|
|
|
}
|
|
|
|
bo_addle_u64( &bo, 0 ); /* time offset */
|
|
|
|
bo_addle_u32( &bo, tk->i_extra );
|
|
|
|
bo_addle_u32( &bo, 0 ); /* 0 */
|
|
|
|
bo_addle_u16( &bo, tk->i_id ); /* stream number */
|
|
|
|
bo_addle_u32( &bo, 0 );
|
|
|
|
bo_add_mem ( &bo, tk->p_extra, tk->i_extra );
|
|
|
|
}
|
|
|
|
|
|
|
|
/* data object */
|
|
|
|
bo_add_guid ( &bo, &asf_object_data_guid );
|
|
|
|
bo_addle_u64( &bo, 50 + p_sys->i_packet_count * p_sys->i_packet_size );
|
|
|
|
bo_add_guid ( &bo, &p_sys->fid );
|
|
|
|
bo_addle_u64( &bo, p_sys->i_packet_count );
|
|
|
|
bo_addle_u16( &bo, 0x101 );
|
|
|
|
|
|
|
|
return out;
|
|
|
|
}
|
|
|
|
|
|
|
|
/****************************************************************************
|
|
|
|
*
|
|
|
|
****************************************************************************/
|
|
|
|
static sout_buffer_t *asf_packet_create( sout_mux_t *p_mux,
|
|
|
|
asf_track_t *tk, sout_buffer_t *data )
|
|
|
|
{
|
|
|
|
sout_mux_sys_t *p_sys = p_mux->p_sys;
|
|
|
|
|
|
|
|
int i_data = data->i_size;
|
|
|
|
int i_pos = 0;
|
|
|
|
uint8_t *p_data= data->p_buffer;
|
|
|
|
sout_buffer_t *first = NULL, **last = &first;
|
2003-08-25 03:31:25 +02:00
|
|
|
int i_preheader = p_sys->b_asf_http ? 12 : 0;
|
2003-08-24 18:38:38 +02:00
|
|
|
|
|
|
|
while( i_pos < i_data )
|
|
|
|
{
|
|
|
|
bo_t bo;
|
|
|
|
int i_payload;
|
|
|
|
|
|
|
|
if( p_sys->pk == NULL )
|
|
|
|
{
|
2003-08-25 03:31:25 +02:00
|
|
|
p_sys->pk = sout_BufferNew( p_mux->p_sout,
|
|
|
|
p_sys->i_packet_size + i_preheader);
|
2003-08-24 18:38:38 +02:00
|
|
|
/* reserve 14 bytes for the packet header */
|
2003-08-25 03:31:25 +02:00
|
|
|
p_sys->i_pk_used = 14 + i_preheader;
|
2003-08-24 18:38:38 +02:00
|
|
|
p_sys->i_pk_frame = 0;
|
|
|
|
p_sys->i_pk_dts = data->i_dts;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bo_init( &bo, &p_sys->pk->p_buffer[p_sys->i_pk_used],
|
|
|
|
p_sys->i_packet_size - p_sys->i_pk_used );
|
|
|
|
|
|
|
|
/* add payload (header size = 17) */
|
|
|
|
i_payload = __MIN( i_data - i_pos,
|
|
|
|
p_sys->i_packet_size - p_sys->i_pk_used - 17 );
|
|
|
|
bo_add_u8 ( &bo, 0x80 | tk->i_id );
|
|
|
|
bo_add_u8 ( &bo, tk->i_sequence );
|
|
|
|
bo_addle_u32( &bo, i_pos );
|
|
|
|
bo_add_u8 ( &bo, 0x08 ); /* flags */
|
|
|
|
bo_addle_u32( &bo, i_data );
|
|
|
|
bo_addle_u32( &bo, ( data->i_dts - p_sys->i_dts_first )/ 1000 );
|
|
|
|
bo_addle_u16( &bo, i_payload );
|
|
|
|
bo_add_mem ( &bo, &p_data[i_pos], i_payload );
|
|
|
|
i_pos += i_payload;
|
|
|
|
p_sys->i_pk_used += 17 + i_payload;
|
|
|
|
|
|
|
|
p_sys->i_pk_frame++;
|
|
|
|
|
|
|
|
if( p_sys->i_pk_used + 14 >= p_sys->i_packet_size )
|
|
|
|
{
|
|
|
|
/* not enough data for another payload, flush the packet */
|
|
|
|
int i_pad = p_sys->i_packet_size - p_sys->i_pk_used;
|
|
|
|
|
2003-08-25 03:31:25 +02:00
|
|
|
bo_init( &bo, p_sys->pk->p_buffer, 14 + i_preheader );
|
|
|
|
|
|
|
|
if( p_sys->b_asf_http )
|
|
|
|
{
|
|
|
|
asf_chunk_add( &bo, 0x4424,
|
|
|
|
p_sys->i_packet_size, 0x00, p_sys->i_seq++);
|
|
|
|
}
|
2003-08-24 18:38:38 +02:00
|
|
|
bo_add_u8 ( &bo, 0x82 );
|
|
|
|
bo_addle_u16( &bo, 0 );
|
|
|
|
bo_add_u8( &bo, 0x11 );
|
|
|
|
bo_add_u8( &bo, 0x5d );
|
|
|
|
bo_addle_u16( &bo, i_pad );
|
|
|
|
bo_addle_u32( &bo, ( p_sys->i_pk_dts - p_sys->i_dts_first )/ 1000 );
|
|
|
|
bo_addle_u16( &bo, 0 * data->i_length / 1000 );
|
|
|
|
bo_add_u8( &bo, 0x80 | p_sys->i_pk_frame );
|
|
|
|
|
|
|
|
/* append the packet */
|
|
|
|
*last = p_sys->pk;
|
|
|
|
last = &p_sys->pk->p_next;
|
|
|
|
|
|
|
|
p_sys->pk = NULL;
|
|
|
|
|
|
|
|
p_sys->i_packet_count++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
tk->i_sequence++;
|
|
|
|
sout_BufferDelete( p_mux->p_sout, data );
|
|
|
|
|
|
|
|
return first;
|
|
|
|
}
|
|
|
|
|
2003-08-25 03:31:25 +02:00
|
|
|
static sout_buffer_t *asf_stream_end_create( sout_mux_t *p_mux )
|
|
|
|
{
|
|
|
|
sout_mux_sys_t *p_sys = p_mux->p_sys;
|
|
|
|
|
|
|
|
sout_buffer_t *out = NULL;
|
|
|
|
bo_t bo;
|
2003-08-24 18:38:38 +02:00
|
|
|
|
2003-08-25 03:31:25 +02:00
|
|
|
if( p_sys->b_asf_http )
|
|
|
|
{
|
|
|
|
out = sout_BufferNew( p_mux->p_sout, 12 );
|
|
|
|
bo_init( &bo, out->p_buffer, 12 );
|
|
|
|
asf_chunk_add( &bo, 0x4524, 0, 0x00, p_sys->i_seq++ );
|
|
|
|
}
|
|
|
|
return out;
|
|
|
|
}
|