mirror of
https://code.videolan.org/videolan/vlc
synced 2024-08-27 04:21:53 +02:00
1257 lines
43 KiB
C
1257 lines
43 KiB
C
/*****************************************************************************
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* asf.c: asf muxer module for vlc
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*****************************************************************************
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* Copyright (C) 2003-2004, 2006 VLC authors and VideoLAN
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*
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* Authors: Laurent Aimar <fenrir@via.ecp.fr>
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* Gildas Bazin <gbazin@videolan.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <assert.h>
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#include <vlc_common.h>
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#include <vlc_plugin.h>
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#include <vlc_sout.h>
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#include <vlc_block.h>
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#include <vlc_codecs.h>
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#include <vlc_arrays.h>
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#include <vlc_rand.h>
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#include "../demux/asf/libasf_guid.h"
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#define MAX_ASF_TRACKS 128
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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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#define SOUT_CFG_PREFIX "sout-asf-"
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#define TITLE_TEXT N_("Title")
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#define TITLE_LONGTEXT N_("Title to put in ASF comments." )
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#define AUTHOR_TEXT N_("Author")
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#define AUTHOR_LONGTEXT N_("Author to put in ASF comments." )
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#define COPYRIGHT_TEXT N_("Copyright")
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#define COPYRIGHT_LONGTEXT N_("Copyright string to put in ASF comments." )
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#define COMMENT_TEXT N_("Comment")
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#define COMMENT_LONGTEXT N_("Comment to put in ASF comments." )
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#define RATING_TEXT N_("Rating")
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#define RATING_LONGTEXT N_("\"Rating\" to put in ASF comments." )
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#define PACKETSIZE_TEXT N_("Packet Size")
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#define PACKETSIZE_LONGTEXT N_("ASF packet size -- default is 4096 bytes")
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#define BITRATE_TEXT N_("Bitrate override")
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#define BITRATE_LONGTEXT N_("Do not try to guess ASF bitrate. Setting this, allows you to control how Windows Media Player will cache streamed content. Set to audio+video bitrate in bytes")
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vlc_module_begin ()
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set_description( N_("ASF muxer") )
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set_subcategory( SUBCAT_SOUT_MUX )
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set_shortname( "ASF" )
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set_capability( "sout mux", 5 )
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add_shortcut( "asf", "asfh" )
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set_callbacks( Open, Close )
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add_string( SOUT_CFG_PREFIX "title", "", TITLE_TEXT, TITLE_LONGTEXT )
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add_string( SOUT_CFG_PREFIX "author", "", AUTHOR_TEXT,
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AUTHOR_LONGTEXT )
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add_string( SOUT_CFG_PREFIX "copyright","", COPYRIGHT_TEXT,
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COPYRIGHT_LONGTEXT )
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add_string( SOUT_CFG_PREFIX "comment", "", COMMENT_TEXT,
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COMMENT_LONGTEXT )
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add_string( SOUT_CFG_PREFIX "rating", "", RATING_TEXT,
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RATING_LONGTEXT )
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add_integer( SOUT_CFG_PREFIX "packet-size", 4096, PACKETSIZE_TEXT,
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PACKETSIZE_LONGTEXT )
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add_integer( SOUT_CFG_PREFIX "bitrate-override", 0, BITRATE_TEXT,
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BITRATE_LONGTEXT )
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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 const char *const ppsz_sout_options[] = {
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"title", "author", "copyright", "comment", "rating", NULL
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};
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static int Control ( sout_mux_t *, int, va_list );
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static int AddStream( sout_mux_t *, sout_input_t * );
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static void 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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int i_id;
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enum es_format_category_e i_cat;
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/* codec information */
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uint16_t i_tag; /* for audio */
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vlc_fourcc_t i_fourcc; /* for video */
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const char *psz_name; /* codec name */
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int i_blockalign; /* for audio only */
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bool b_audio_correction;
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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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bool b_extended;
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es_format_t fmt;
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} asf_track_t;
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typedef struct
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{
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vlc_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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vlc_tick_t i_dts_first;
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vlc_tick_t i_dts_last;
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int64_t i_preroll_time; /* in milliseconds */
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int64_t i_bitrate;
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int64_t i_bitrate_override;
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vlc_array_t tracks;
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bool b_write_header;
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block_t *pk;
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int i_pk_used;
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int i_pk_frame;
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vlc_tick_t i_pk_dts;
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bool b_asf_http;
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int i_seq;
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/* meta data */
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char *psz_title;
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char *psz_author;
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char *psz_copyright;
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char *psz_comment;
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char *psz_rating;
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} sout_mux_sys_t;
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static block_t *asf_header_create( sout_mux_t *, bool );
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static block_t *asf_packet_create( sout_mux_t *, asf_track_t *, block_t * );
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static block_t *asf_stream_end_create( sout_mux_t *);
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static block_t *asf_packet_flush( sout_mux_t * );
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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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static void bo_addle_str16( bo_t *, const char * );
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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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msg_Dbg( p_mux, "asf muxer opened" );
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config_ChainParse( p_mux, SOUT_CFG_PREFIX, ppsz_sout_options, p_mux->p_cfg );
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p_mux->pf_control = Control;
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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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if( !p_sys )
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return VLC_ENOMEM;
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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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p_sys->pk = NULL;
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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 =
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p_sys->i_dts_last = VLC_TICK_INVALID;
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p_sys->i_preroll_time = 2000;
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p_sys->i_bitrate = 0;
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p_sys->i_bitrate_override = 0;
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p_sys->i_seq = 0;
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vlc_array_init( &p_sys->tracks );
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p_sys->b_write_header = true;
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p_sys->i_packet_size = var_InheritInteger( p_mux, "sout-asf-packet-size" );
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p_sys->i_bitrate_override = var_InheritInteger( p_mux, "sout-asf-bitrate-override" );
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msg_Dbg( p_mux, "Packet size %d", p_sys->i_packet_size);
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if (p_sys->i_bitrate_override)
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msg_Dbg( p_mux, "Bitrate override %"PRId64, p_sys->i_bitrate_override);
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p_sys->i_packet_count= 0;
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/* Generate a random fid */
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p_sys->fid.Data1 = 0xbabac001;
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vlc_rand_bytes(&p_sys->fid.Data2, sizeof(p_sys->fid.Data2));
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vlc_rand_bytes(&p_sys->fid.Data3, sizeof(p_sys->fid.Data3));
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vlc_rand_bytes(p_sys->fid.Data4, sizeof(p_sys->fid.Data4));
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/* Meta data */
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p_sys->psz_title = var_GetString( p_mux, SOUT_CFG_PREFIX "title" );
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p_sys->psz_author = var_GetString( p_mux, SOUT_CFG_PREFIX "author" );
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p_sys->psz_copyright = var_GetString( p_mux, SOUT_CFG_PREFIX "copyright" );
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p_sys->psz_comment = var_GetString( p_mux, SOUT_CFG_PREFIX "comment" );
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p_sys->psz_rating = var_GetString( p_mux, SOUT_CFG_PREFIX "rating" );
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msg_Dbg( p_mux, "meta data: title='%s', author='%s', copyright='%s', "
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"comment='%s', rating='%s'",
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p_sys->psz_title, p_sys->psz_author, p_sys->psz_copyright,
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p_sys->psz_comment, p_sys->psz_rating );
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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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block_t *out;
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msg_Dbg( p_mux, "Asf muxer closed" );
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/* Flush last packet if any */
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if( (out = asf_packet_flush( 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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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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/* rewrite header */
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if( sout_AccessOutSeek( p_mux->p_access, 0 ) == VLC_SUCCESS )
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{
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out = asf_header_create( p_mux, false );
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sout_AccessOutWrite( p_mux->p_access, out );
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}
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for( size_t i = 0; i < vlc_array_count( &p_sys->tracks ); i++ )
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{
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asf_track_t *track = vlc_array_item_at_index( &p_sys->tracks, i );
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free( track->p_extra );
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es_format_Clean( &track->fmt );
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free( track );
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}
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vlc_array_clear( &p_sys->tracks );
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free( p_sys->psz_title );
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free( p_sys->psz_author );
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free( p_sys->psz_copyright );
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free( p_sys->psz_comment );
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free( p_sys->psz_rating );
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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 Control( sout_mux_t *p_mux, int i_query, va_list args )
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{
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sout_mux_sys_t *p_sys = p_mux->p_sys;
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bool *pb_bool;
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char **ppsz;
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switch( i_query )
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{
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case MUX_CAN_ADD_STREAM_WHILE_MUXING:
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pb_bool = va_arg( args, bool * );
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*pb_bool = false;
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return VLC_SUCCESS;
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case MUX_GET_MIME:
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ppsz = va_arg( args, char ** );
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if( p_sys->b_asf_http )
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*ppsz = strdup( "video/x-ms-asf-stream" );
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else
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*ppsz = strdup( "video/x-ms-asf" );
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return VLC_SUCCESS;
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default:
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return VLC_EGENERIC;
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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( vlc_array_count( &p_sys->tracks ) >= MAX_ASF_TRACKS )
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{
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msg_Dbg( p_mux, "cannot add this track (too much tracks)" );
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return VLC_EGENERIC;
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}
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tk = p_input->p_sys = malloc( sizeof( asf_track_t ) );
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if( unlikely(p_input->p_sys == NULL) )
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return VLC_ENOMEM;
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memset( tk, 0, sizeof( *tk ) );
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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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tk->b_audio_correction = 0;
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tk->b_extended = false;
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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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int i_blockalign = p_input->p_fmt->audio.i_blockalign;
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int i_bitspersample = p_input->p_fmt->audio.i_bitspersample;
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int i_extra = 0;
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switch( p_input->p_fmt->i_codec )
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{
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case VLC_CODEC_A52:
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tk->i_tag = WAVE_FORMAT_A52;
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tk->psz_name = "A/52";
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i_bitspersample = 0;
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break;
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case VLC_CODEC_MP4A:
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tk->i_tag = WAVE_FORMAT_AAC;
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tk->psz_name = "MPEG-4 Audio";
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i_bitspersample = 0;
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break;
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case VLC_CODEC_MP3:
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tk->psz_name = "MPEG Audio Layer 3";
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tk->i_tag = WAVE_FORMAT_MPEGLAYER3;
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i_bitspersample = 0;
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i_blockalign = 1;
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i_extra = 12;
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break;
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case VLC_CODEC_MPGA:
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tk->psz_name = "MPEG Audio Layer 1/2";
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tk->i_tag = WAVE_FORMAT_MPEG;
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i_bitspersample = 0;
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i_blockalign = 1;
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i_extra = 22;
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break;
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case VLC_CODEC_WMA1:
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tk->psz_name = "Windows Media Audio v1";
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tk->i_tag = WAVE_FORMAT_WMA1;
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tk->b_audio_correction = true;
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break;
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case VLC_CODEC_WMA2:
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tk->psz_name= "Windows Media Audio (v2) 7, 8 and 9 Series";
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tk->i_tag = WAVE_FORMAT_WMA2;
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tk->b_audio_correction = true;
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break;
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case VLC_CODEC_WMAP:
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tk->psz_name = "Windows Media Audio 9 Professional";
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tk->i_tag = WAVE_FORMAT_WMAP;
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tk->b_audio_correction = true;
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break;
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case VLC_CODEC_WMAL:
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tk->psz_name = "Windows Media Audio 9 Lossless";
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tk->i_tag = WAVE_FORMAT_WMAL;
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tk->b_audio_correction = true;
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break;
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/* raw codec */
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case VLC_CODEC_U8:
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tk->psz_name = "Raw audio 8bits";
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tk->i_tag = WAVE_FORMAT_PCM;
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i_blockalign= p_input->p_fmt->audio.i_channels;
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i_bitspersample = 8;
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break;
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case VLC_CODEC_S16L:
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tk->psz_name = "Raw audio 16bits";
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tk->i_tag = WAVE_FORMAT_PCM;
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i_blockalign= 2 * p_input->p_fmt->audio.i_channels;
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i_bitspersample = 16;
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break;
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case VLC_CODEC_S24L:
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tk->psz_name = "Raw audio 24bits";
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tk->i_tag = WAVE_FORMAT_PCM;
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i_blockalign= 3 * p_input->p_fmt->audio.i_channels;
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i_bitspersample = 24;
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break;
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case VLC_CODEC_S32L:
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tk->psz_name = "Raw audio 32bits";
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tk->i_tag = WAVE_FORMAT_PCM;
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i_blockalign= 4 * p_input->p_fmt->audio.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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tk->i_extra = sizeof( WAVEFORMATEX ) +
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p_input->p_fmt->i_extra + i_extra;
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tk->p_extra = malloc( tk->i_extra );
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if( !tk->p_extra )
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return VLC_ENOMEM;
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bo_init( &bo, tk->p_extra, tk->i_extra );
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bo_addle_u16( &bo, tk->i_tag );
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bo_addle_u16( &bo, p_input->p_fmt->audio.i_channels );
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bo_addle_u32( &bo, p_input->p_fmt->audio.i_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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tk->i_blockalign = i_blockalign;
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bo_addle_u16( &bo, i_bitspersample );
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if( p_input->p_fmt->i_extra > 0 )
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{
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bo_addle_u16( &bo, p_input->p_fmt->i_extra );
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bo_add_mem ( &bo, p_input->p_fmt->p_extra,
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p_input->p_fmt->i_extra );
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}
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else
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{
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bo_addle_u16( &bo, i_extra );
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if( tk->i_tag == WAVE_FORMAT_MPEGLAYER3 )
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{
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msg_Dbg( p_mux, "adding mp3 header" );
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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 */
|
|
bo_addle_u16( &bo, 1 ); /* nFramesPerBlock */
|
|
bo_addle_u16( &bo, 1393 ); /* nCodecDelay */
|
|
}
|
|
else if( tk->i_tag == WAVE_FORMAT_MPEG )
|
|
{
|
|
msg_Dbg( p_mux, "adding mp2 header" );
|
|
bo_addle_u16( &bo, 2 ); /* fwHeadLayer */
|
|
bo_addle_u32( &bo, p_input->p_fmt->i_bitrate );
|
|
bo_addle_u16( &bo, p_input->p_fmt->audio.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 */
|
|
}
|
|
}
|
|
|
|
if( p_input->p_fmt->i_bitrate > 24000 )
|
|
{
|
|
p_sys->i_bitrate += p_input->p_fmt->i_bitrate;
|
|
}
|
|
else
|
|
{
|
|
p_sys->i_bitrate += 128000;
|
|
}
|
|
if (p_sys->i_bitrate_override)
|
|
p_sys->i_bitrate = p_sys->i_bitrate_override;
|
|
break;
|
|
}
|
|
case VIDEO_ES:
|
|
{
|
|
const es_format_t *p_fmt = p_input->p_fmt;
|
|
uint8_t *p_codec_extra = NULL;
|
|
int i_codec_extra = 0;
|
|
|
|
if( p_fmt->i_codec == VLC_CODEC_MP4V )
|
|
{
|
|
tk->psz_name = "MPEG-4 Video";
|
|
tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', 'S' );
|
|
}
|
|
else if( p_fmt->i_codec == VLC_CODEC_DIV3 )
|
|
{
|
|
tk->psz_name = "MSMPEG-4 V3 Video";
|
|
tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '3' );
|
|
}
|
|
else if( p_fmt->i_codec == VLC_CODEC_DIV2 )
|
|
{
|
|
tk->psz_name = "MSMPEG-4 V2 Video";
|
|
tk->i_fourcc = VLC_FOURCC( 'M', 'P', '4', '2' );
|
|
}
|
|
else if( p_fmt->i_codec == VLC_CODEC_DIV1 )
|
|
{
|
|
tk->psz_name = "MSMPEG-4 V1 Video";
|
|
tk->i_fourcc = VLC_FOURCC( 'M', 'P', 'G', '4' );
|
|
}
|
|
else if( p_fmt->i_codec == VLC_CODEC_WMV1 )
|
|
{
|
|
tk->psz_name = "Windows Media Video 7";
|
|
tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '1' );
|
|
}
|
|
else if( p_fmt->i_codec == VLC_CODEC_WMV2 )
|
|
{
|
|
tk->psz_name = "Windows Media Video 8";
|
|
tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '2' );
|
|
}
|
|
else if( p_fmt->i_codec == VLC_CODEC_WMV3 )
|
|
{
|
|
tk->psz_name = "Windows Media Video 9";
|
|
tk->i_fourcc = VLC_FOURCC( 'W', 'M', 'V', '3' );
|
|
tk->b_extended = true;
|
|
}
|
|
else if( p_fmt->i_codec == VLC_CODEC_VC1 )
|
|
{
|
|
tk->psz_name = "Windows Media Video 9 Advanced Profile";
|
|
tk->i_fourcc = VLC_FOURCC( 'W', 'V', 'C', '1' );
|
|
tk->b_extended = true;
|
|
|
|
if( p_fmt->i_extra > 0 )
|
|
{
|
|
p_codec_extra = malloc( 1 + p_fmt->i_extra );
|
|
if( p_codec_extra )
|
|
{
|
|
i_codec_extra = 1 + p_fmt->i_extra;
|
|
p_codec_extra[0] = 0x01;
|
|
memcpy( &p_codec_extra[1], p_fmt->p_extra, p_fmt->i_extra );
|
|
}
|
|
}
|
|
}
|
|
else if( p_fmt->i_codec == VLC_CODEC_H264 )
|
|
{
|
|
tk->psz_name = "H.264/MPEG-4 AVC";
|
|
tk->i_fourcc = VLC_FOURCC('h','2','6','4');
|
|
}
|
|
else
|
|
{
|
|
tk->psz_name = _("Unknown Video");
|
|
tk->i_fourcc = p_fmt->i_original_fourcc ? p_fmt->i_original_fourcc : p_fmt->i_codec;
|
|
}
|
|
if( !i_codec_extra && p_fmt->i_extra > 0 )
|
|
{
|
|
p_codec_extra = malloc( p_fmt->i_extra );
|
|
if( p_codec_extra )
|
|
{
|
|
i_codec_extra = p_fmt->i_extra;
|
|
memcpy( p_codec_extra, p_fmt->p_extra, p_fmt->i_extra );
|
|
}
|
|
}
|
|
|
|
tk->i_extra = 11 + sizeof( VLC_BITMAPINFOHEADER ) + i_codec_extra;
|
|
tk->p_extra = malloc( tk->i_extra );
|
|
if( !tk->p_extra )
|
|
{
|
|
free( p_codec_extra );
|
|
return VLC_ENOMEM;
|
|
}
|
|
bo_init( &bo, tk->p_extra, tk->i_extra );
|
|
bo_addle_u32( &bo, p_fmt->video.i_width );
|
|
bo_addle_u32( &bo, p_fmt->video.i_height );
|
|
bo_add_u8 ( &bo, 0x02 ); /* flags */
|
|
bo_addle_u16( &bo, sizeof( VLC_BITMAPINFOHEADER ) + i_codec_extra );
|
|
bo_addle_u32( &bo, sizeof( VLC_BITMAPINFOHEADER ) + i_codec_extra );
|
|
bo_addle_u32( &bo, p_fmt->video.i_width );
|
|
bo_addle_u32( &bo, p_fmt->video.i_height );
|
|
bo_addle_u16( &bo, 1 );
|
|
bo_addle_u16( &bo, 24 );
|
|
bo_add_mem( &bo, (uint8_t*)&tk->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 );
|
|
if( i_codec_extra > 0 )
|
|
{
|
|
bo_add_mem( &bo, p_codec_extra, i_codec_extra );
|
|
free( p_codec_extra );
|
|
}
|
|
|
|
if( p_fmt->i_bitrate > 50000 )
|
|
{
|
|
p_sys->i_bitrate += p_fmt->i_bitrate;
|
|
}
|
|
else
|
|
{
|
|
p_sys->i_bitrate += 512000;
|
|
}
|
|
if( p_sys->i_bitrate_override )
|
|
p_sys->i_bitrate = p_sys->i_bitrate_override;
|
|
break;
|
|
}
|
|
default:
|
|
msg_Err(p_mux, "unhandled track type" );
|
|
free( tk );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
if( vlc_array_append( &p_sys->tracks, tk ) )
|
|
{
|
|
free( tk->p_extra );
|
|
free( tk );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
es_format_Copy( &tk->fmt, p_input->p_fmt );
|
|
|
|
tk->i_id = vlc_array_index_of_item( &p_sys->tracks, tk ) + 1;
|
|
|
|
if( p_sys->b_asf_http )
|
|
p_sys->b_write_header = true;
|
|
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* DelStream:
|
|
*****************************************************************************/
|
|
static void DelStream( sout_mux_t *p_mux, sout_input_t *p_input )
|
|
{
|
|
/* if bitrate ain't defined in commandline, reduce it when tracks are deleted
|
|
*/
|
|
sout_mux_sys_t *p_sys = p_mux->p_sys;
|
|
asf_track_t *tk = p_input->p_sys;
|
|
msg_Dbg( p_mux, "removing input" );
|
|
if(!p_sys->i_bitrate_override)
|
|
{
|
|
if( tk->i_cat == AUDIO_ES )
|
|
{
|
|
if( p_input->p_fmt->i_bitrate > 24000 )
|
|
p_sys->i_bitrate -= p_input->p_fmt->i_bitrate;
|
|
else
|
|
p_sys->i_bitrate -= 128000;
|
|
}
|
|
else if(tk->i_cat == VIDEO_ES )
|
|
{
|
|
if( p_input->p_fmt->i_bitrate > 50000 )
|
|
p_sys->i_bitrate -= p_input->p_fmt->i_bitrate;
|
|
else
|
|
p_sys->i_bitrate -= 512000;
|
|
}
|
|
}
|
|
|
|
if( p_sys->b_asf_http )
|
|
{
|
|
vlc_array_remove( &p_sys->tracks, vlc_array_index_of_item( &p_sys->tracks, tk ) );
|
|
p_sys->b_write_header = true;
|
|
}
|
|
}
|
|
|
|
/*****************************************************************************
|
|
* 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 )
|
|
{
|
|
block_t *out = asf_header_create( p_mux, true );
|
|
|
|
out->i_flags |= BLOCK_FLAG_HEADER;
|
|
sout_AccessOutWrite( p_mux->p_access, out );
|
|
|
|
p_sys->b_write_header = false;
|
|
}
|
|
|
|
for( ;; )
|
|
{
|
|
sout_input_t *p_input;
|
|
asf_track_t *tk;
|
|
vlc_tick_t i_dts;
|
|
block_t *data;
|
|
block_t *pk;
|
|
|
|
int i_stream = sout_MuxGetStream( p_mux, 1, &i_dts );
|
|
if( i_stream < 0 )
|
|
{
|
|
/* not enough data */
|
|
return VLC_SUCCESS;
|
|
}
|
|
|
|
if( p_sys->i_dts_first == VLC_TICK_INVALID )
|
|
{
|
|
p_sys->i_dts_first = i_dts;
|
|
}
|
|
if( p_sys->i_dts_last < i_dts )
|
|
{
|
|
p_sys->i_dts_last = i_dts;
|
|
}
|
|
|
|
p_input = p_mux->pp_inputs[i_stream];
|
|
tk = (asf_track_t*)p_input->p_sys;
|
|
|
|
data = block_FifoGet( p_input->p_fifo );
|
|
|
|
/* Convert VC1 to ASF special format */
|
|
if( tk->i_fourcc == VLC_FOURCC( 'W', 'V', 'C', '1' ) )
|
|
{
|
|
while( data->i_buffer >= 4 &&
|
|
( data->p_buffer[0] != 0x00 || data->p_buffer[1] != 0x00 ||
|
|
data->p_buffer[2] != 0x01 ||
|
|
( data->p_buffer[3] != 0x0D && data->p_buffer[3] != 0x0C ) ) )
|
|
{
|
|
data->i_buffer--;
|
|
data->p_buffer++;
|
|
}
|
|
if( data->i_buffer >= 4 )
|
|
{
|
|
data->i_buffer -= 4;
|
|
data->p_buffer += 4;
|
|
}
|
|
}
|
|
|
|
if( ( pk = asf_packet_create( p_mux, tk, data ) ) )
|
|
{
|
|
sout_AccessOutWrite( p_mux->p_access, pk );
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
static void bo_addle_str16( bo_t *bo, const char *str )
|
|
{
|
|
bo_addle_u16( bo, strlen( str ) + 1 );
|
|
for( ;; )
|
|
{
|
|
uint16_t c = (uint8_t)*str++;
|
|
bo_addle_u16( bo, c );
|
|
if( c == '\0' ) break;
|
|
}
|
|
}
|
|
|
|
static void bo_addle_str16_nosize( bo_t *bo, const char *str )
|
|
{
|
|
for( ;; )
|
|
{
|
|
uint16_t c = (uint8_t)*str++;
|
|
bo_addle_u16( bo, c );
|
|
if( c == '\0' ) break;
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
* GUID definitions
|
|
****************************************************************************/
|
|
static void bo_add_guid( bo_t *p_bo, const vlc_guid_t *id )
|
|
{
|
|
bo_addle_u32( p_bo, id->Data1 );
|
|
bo_addle_u16( p_bo, id->Data2 );
|
|
bo_addle_u16( p_bo, id->Data3 );
|
|
for( int i = 0; i < 8; i++ )
|
|
{
|
|
bo_add_u8( p_bo, id->Data4[i] );
|
|
}
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Misc
|
|
****************************************************************************/
|
|
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 );
|
|
}
|
|
|
|
static block_t *asf_header_create( sout_mux_t *p_mux, bool b_broadcast )
|
|
{
|
|
sout_mux_sys_t *p_sys = p_mux->p_sys;
|
|
vlc_tick_t i_duration = 0;
|
|
int i_size, i_header_ext_size;
|
|
int i_ci_size, i_cm_size = 0, i_cd_size = 0;
|
|
block_t *out;
|
|
bo_t bo;
|
|
|
|
msg_Dbg( p_mux, "Asf muxer creating header" );
|
|
|
|
if( p_sys->i_dts_first != VLC_TICK_INVALID && p_sys->i_dts_last > p_sys->i_dts_first )
|
|
{
|
|
i_duration = p_sys->i_dts_last - p_sys->i_dts_first;
|
|
}
|
|
|
|
/* calculate header size */
|
|
i_size = 30 + 104;
|
|
i_ci_size = 44;
|
|
for( size_t i = 0; i < vlc_array_count( &p_sys->tracks ); i++ )
|
|
{
|
|
asf_track_t *tk = vlc_array_item_at_index( &p_sys->tracks, i );
|
|
/* update also track-id */
|
|
tk->i_id = i + 1;
|
|
|
|
i_size += 78 + tk->i_extra;
|
|
i_ci_size += 8 + 2 * strlen( tk->psz_name );
|
|
if( tk->i_cat == AUDIO_ES ) i_ci_size += 4;
|
|
else if( tk->i_cat == VIDEO_ES ) i_ci_size += 6;
|
|
|
|
/* Error correction data field */
|
|
if( tk->b_audio_correction ) i_size += 8;
|
|
}
|
|
|
|
/* size of the content description object */
|
|
if( *p_sys->psz_title || *p_sys->psz_author || *p_sys->psz_copyright ||
|
|
*p_sys->psz_comment || *p_sys->psz_rating )
|
|
{
|
|
i_cd_size = 34 + 2 * ( strlen( p_sys->psz_title ) + 1 +
|
|
strlen( p_sys->psz_author ) + 1 +
|
|
strlen( p_sys->psz_copyright ) + 1 +
|
|
strlen( p_sys->psz_comment ) + 1 +
|
|
strlen( p_sys->psz_rating ) + 1 );
|
|
}
|
|
|
|
i_header_ext_size = 46;
|
|
|
|
/* size of the metadata object */
|
|
for( size_t i = 0; i < vlc_array_count( &p_sys->tracks ); i++ )
|
|
{
|
|
const asf_track_t *p_track = vlc_array_item_at_index( &p_sys->tracks, i );
|
|
if( p_track->i_cat == VIDEO_ES &&
|
|
p_track->fmt.video.i_sar_num != 0 &&
|
|
p_track->fmt.video.i_sar_den != 0 )
|
|
{
|
|
i_cm_size = 26 + 2 * (16 + 2 * sizeof("AspectRatio?"));
|
|
}
|
|
if( p_track->b_extended )
|
|
i_header_ext_size += 88;
|
|
|
|
}
|
|
|
|
i_header_ext_size += i_cm_size;
|
|
|
|
i_size += i_ci_size + i_cd_size + i_header_ext_size ;
|
|
|
|
if( p_sys->b_asf_http )
|
|
{
|
|
out = block_Alloc( 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 = block_Alloc( i_size + 50 );
|
|
bo_init( &bo, out->p_buffer, i_size + 50 );
|
|
}
|
|
|
|
/* header object */
|
|
bo_add_guid ( &bo, &asf_object_header_guid );
|
|
bo_addle_u64( &bo, i_size );
|
|
bo_addle_u32( &bo, 2 + vlc_array_count( &p_sys->tracks ) + 1 +
|
|
(i_cd_size ? 1 : 0) + (i_cm_size ? 1 : 0) );
|
|
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 );
|
|
bo_addle_u64( &bo, i_size + 50 + p_sys->i_packet_count *
|
|
p_sys->i_packet_size ); /* file size */
|
|
bo_addle_u64( &bo, 0 ); /* creation date */
|
|
bo_addle_u64( &bo, b_broadcast ? 0xffffffffLL : p_sys->i_packet_count );
|
|
bo_addle_u64( &bo, MSFTIME_FROM_VLC_TICK(i_duration) ); /* play duration (100ns) */
|
|
bo_addle_u64( &bo, MSFTIME_FROM_VLC_TICK(i_duration) ); /* send duration (100ns) */
|
|
bo_addle_u64( &bo, p_sys->i_preroll_time ); /* preroll duration (ms) */
|
|
bo_addle_u32( &bo, b_broadcast ? 0x01 : 0x02 /* seekable */ ); /* 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 */
|
|
/* NOTE: According to p6-9 of the ASF specification the bitrate cannot be 0,
|
|
* therefore apply this workaround to make sure it is not 0. If the bitrate is
|
|
* 0 the file will play in WMP11, but not in Sliverlight and WMP12 */
|
|
bo_addle_u32( &bo, p_sys->i_bitrate > 0 ? p_sys->i_bitrate : 1 ); /* maxbitrate */
|
|
|
|
/* header extension */
|
|
bo_add_guid ( &bo, &asf_object_header_extension_guid );
|
|
bo_addle_u64( &bo, i_header_ext_size );
|
|
bo_add_guid ( &bo, &asf_guid_reserved_1 );
|
|
bo_addle_u16( &bo, 6 );
|
|
bo_addle_u32( &bo, i_header_ext_size - 46 );
|
|
|
|
/* extended stream properties */
|
|
for( size_t i = 0; i < vlc_array_count( &p_sys->tracks ); i++ )
|
|
{
|
|
const asf_track_t *p_track = vlc_array_item_at_index( &p_sys->tracks, i );
|
|
const es_format_t *p_fmt = &p_track->fmt;
|
|
|
|
if( !p_track->b_extended )
|
|
continue;
|
|
|
|
uint64_t i_avg_duration = 0;
|
|
if( p_fmt->i_cat == VIDEO_ES &&
|
|
p_fmt->video.i_frame_rate > 0 && p_fmt->video.i_frame_rate_base > 0 )
|
|
i_avg_duration = ( INT64_C(10000000) * p_fmt->video.i_frame_rate_base +
|
|
p_fmt->video.i_frame_rate/2 ) / p_fmt->video.i_frame_rate;
|
|
|
|
bo_add_guid ( &bo, &asf_object_extended_stream_properties_guid );
|
|
bo_addle_u64( &bo, 88 );
|
|
bo_addle_u64( &bo, 0 );
|
|
bo_addle_u64( &bo, 0 );
|
|
bo_addle_u32( &bo, p_fmt->i_bitrate ); /* Bitrate */
|
|
bo_addle_u32( &bo, p_sys->i_preroll_time ); /* Buffer size */
|
|
bo_addle_u32( &bo, 0 ); /* Initial buffer fullness */
|
|
bo_addle_u32( &bo, p_fmt->i_bitrate ); /* Alternate Bitrate */
|
|
bo_addle_u32( &bo, 0 ); /* Alternate Buffer size */
|
|
bo_addle_u32( &bo, 0 ); /* Alternate Initial buffer fullness */
|
|
bo_addle_u32( &bo, 0 ); /* Maximum object size (0 = unknown) */
|
|
bo_addle_u32( &bo, 0x02 ); /* Flags (seekable) */
|
|
bo_addle_u16( &bo, p_track->i_id ); /* Stream number */
|
|
bo_addle_u16( &bo, 0 ); /* Stream language index */
|
|
bo_addle_u64( &bo, i_avg_duration ); /* Average time per frame */
|
|
bo_addle_u16( &bo, 0 ); /* Stream name count */
|
|
bo_addle_u16( &bo, 0 ); /* Payload extension system count */
|
|
}
|
|
|
|
/* metadata object (part of header extension) */
|
|
if( i_cm_size )
|
|
{
|
|
unsigned int i_dst_num, i_dst_den;
|
|
|
|
asf_track_t *tk = NULL;
|
|
for( size_t i = 0; i < vlc_array_count( &p_sys->tracks ); i++ )
|
|
{
|
|
tk = vlc_array_item_at_index( &p_sys->tracks, i );
|
|
if( tk->i_cat == VIDEO_ES &&
|
|
tk->fmt.video.i_sar_num != 0 &&
|
|
tk->fmt.video.i_sar_den != 0 )
|
|
{
|
|
vlc_ureduce( &i_dst_num, &i_dst_den,
|
|
tk->fmt.video.i_sar_num,
|
|
tk->fmt.video.i_sar_den, 0 );
|
|
break;
|
|
}
|
|
}
|
|
assert( tk != NULL );
|
|
|
|
msg_Dbg( p_mux, "pixel aspect-ratio: %i/%i", i_dst_num, i_dst_den );
|
|
|
|
bo_add_guid ( &bo, &asf_object_metadata_guid );
|
|
bo_addle_u64( &bo, i_cm_size );
|
|
bo_addle_u16( &bo, 2 ); /* description records count */
|
|
/* 1st description record */
|
|
bo_addle_u16( &bo, 0 ); /* reserved */
|
|
bo_addle_u16( &bo, tk->i_id ); /* stream number (0 for the whole file) */
|
|
bo_addle_u16( &bo, 2 * sizeof("AspectRatioX") ); /* name length */
|
|
bo_addle_u16( &bo, 0x3 /* DWORD */ ); /* data type */
|
|
bo_addle_u32( &bo, 4 ); /* data length */
|
|
bo_addle_str16_nosize( &bo, "AspectRatioX" );
|
|
bo_addle_u32( &bo, i_dst_num ); /* data */
|
|
/* 2nd description record */
|
|
bo_addle_u16( &bo, 0 ); /* reserved */
|
|
bo_addle_u16( &bo, tk->i_id ); /* stream number (0 for the whole file) */
|
|
bo_addle_u16( &bo, 2 * sizeof("AspectRatioY") ); /* name length */
|
|
bo_addle_u16( &bo, 0x3 /* DWORD */ ); /* data type */
|
|
bo_addle_u32( &bo, 4 ); /* data length */
|
|
bo_addle_str16_nosize( &bo, "AspectRatioY" );
|
|
bo_addle_u32( &bo, i_dst_den ); /* data */
|
|
}
|
|
|
|
/* content description header */
|
|
if( i_cd_size > 0 )
|
|
{
|
|
bo_add_guid ( &bo, &asf_object_content_description_guid );
|
|
bo_addle_u64( &bo, i_cd_size );
|
|
bo_addle_u16( &bo, 2 * strlen( p_sys->psz_title ) + 2 );
|
|
bo_addle_u16( &bo, 2 * strlen( p_sys->psz_author ) + 2 );
|
|
bo_addle_u16( &bo, 2 * strlen( p_sys->psz_copyright ) + 2 );
|
|
bo_addle_u16( &bo, 2 * strlen( p_sys->psz_comment ) + 2 );
|
|
bo_addle_u16( &bo, 2 * strlen( p_sys->psz_rating ) + 2 );
|
|
|
|
bo_addle_str16_nosize( &bo, p_sys->psz_title );
|
|
bo_addle_str16_nosize( &bo, p_sys->psz_author );
|
|
bo_addle_str16_nosize( &bo, p_sys->psz_copyright );
|
|
bo_addle_str16_nosize( &bo, p_sys->psz_comment );
|
|
bo_addle_str16_nosize( &bo, p_sys->psz_rating );
|
|
}
|
|
|
|
/* stream properties */
|
|
for( size_t i = 0; i < vlc_array_count( &p_sys->tracks ); i++ )
|
|
{
|
|
asf_track_t *tk = vlc_array_item_at_index( &p_sys->tracks, i);
|
|
|
|
bo_add_guid ( &bo, &asf_object_stream_properties_guid );
|
|
bo_addle_u64( &bo, 78 + tk->i_extra + (tk->b_audio_correction ? 8:0) );
|
|
|
|
if( tk->i_cat == AUDIO_ES )
|
|
{
|
|
bo_add_guid( &bo, &asf_object_stream_type_audio );
|
|
if( tk->b_audio_correction )
|
|
bo_add_guid( &bo, &asf_guid_audio_conceal_spread );
|
|
else
|
|
bo_add_guid( &bo, &asf_no_error_correction_guid );
|
|
}
|
|
else if( tk->i_cat == VIDEO_ES )
|
|
{
|
|
bo_add_guid( &bo, &asf_object_stream_type_video );
|
|
bo_add_guid( &bo, &asf_no_error_correction_guid );
|
|
}
|
|
bo_addle_u64( &bo, 0 ); /* time offset */
|
|
bo_addle_u32( &bo, tk->i_extra );
|
|
/* correction data length */
|
|
bo_addle_u32( &bo, tk->b_audio_correction ? 8 : 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 );
|
|
|
|
/* Error correction data field */
|
|
if( tk->b_audio_correction )
|
|
{
|
|
bo_add_u8( &bo, 0x1 ); /* span */
|
|
bo_addle_u16( &bo, tk->i_blockalign ); /* virtual packet length */
|
|
bo_addle_u16( &bo, tk->i_blockalign ); /* virtual chunk length */
|
|
bo_addle_u16( &bo, 1 ); /* silence length */
|
|
bo_add_u8( &bo, 0x0 ); /* data */
|
|
}
|
|
}
|
|
|
|
/* Codec Infos */
|
|
bo_add_guid ( &bo, &asf_object_codec_list_guid );
|
|
bo_addle_u64( &bo, i_ci_size );
|
|
bo_add_guid ( &bo, &asf_guid_reserved_2 );
|
|
bo_addle_u32( &bo, vlc_array_count( &p_sys->tracks ) );
|
|
for( size_t i = 0; i < vlc_array_count( &p_sys->tracks ); i++ )
|
|
{
|
|
asf_track_t *tk = vlc_array_item_at_index( &p_sys->tracks ,i);
|
|
|
|
if( tk->i_cat == VIDEO_ES ) bo_addle_u16( &bo, 1 /* video */ );
|
|
else if( tk->i_cat == AUDIO_ES ) bo_addle_u16( &bo, 2 /* audio */ );
|
|
else bo_addle_u16( &bo, 0xFFFF /* unknown */ );
|
|
|
|
bo_addle_str16( &bo, tk->psz_name );
|
|
bo_addle_u16( &bo, 0 );
|
|
if( tk->i_cat == AUDIO_ES )
|
|
{
|
|
bo_addle_u16( &bo, 2 );
|
|
bo_addle_u16( &bo, tk->i_tag );
|
|
}
|
|
else if( tk->i_cat == VIDEO_ES )
|
|
{
|
|
bo_addle_u16( &bo, 4 );
|
|
bo_add_mem ( &bo, (uint8_t*)&tk->i_fourcc, 4 );
|
|
}
|
|
}
|
|
|
|
/* 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 block_t *asf_packet_flush( sout_mux_t *p_mux )
|
|
{
|
|
sout_mux_sys_t *p_sys = p_mux->p_sys;
|
|
int i_pad, i_preheader = p_sys->b_asf_http ? 12 : 0;
|
|
block_t *pk;
|
|
bo_t bo;
|
|
|
|
if( !p_sys->pk ) return 0;
|
|
|
|
i_pad = p_sys->i_packet_size - p_sys->i_pk_used;
|
|
memset( p_sys->pk->p_buffer + p_sys->i_pk_used, 0, i_pad );
|
|
|
|
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, 0x0, p_sys->i_seq++);
|
|
|
|
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, MS_FROM_VLC_TICK(p_sys->i_pk_dts - p_sys->i_dts_first) +
|
|
p_sys->i_preroll_time );
|
|
bo_addle_u16( &bo, 0 /* data->i_length */ );
|
|
bo_add_u8( &bo, 0x80 | p_sys->i_pk_frame );
|
|
|
|
pk = p_sys->pk;
|
|
p_sys->pk = NULL;
|
|
|
|
p_sys->i_packet_count++;
|
|
|
|
return pk;
|
|
}
|
|
|
|
static block_t *asf_packet_create( sout_mux_t *p_mux,
|
|
asf_track_t *tk, block_t *data )
|
|
{
|
|
sout_mux_sys_t *p_sys = p_mux->p_sys;
|
|
|
|
int i_data = data->i_buffer;
|
|
int i_pos = 0;
|
|
uint8_t *p_data= data->p_buffer;
|
|
block_t *first = NULL, **last = &first;
|
|
int i_preheader = p_sys->b_asf_http ? 12 : 0;
|
|
|
|
while( i_pos < i_data )
|
|
{
|
|
bo_t bo;
|
|
int i_payload;
|
|
|
|
if( p_sys->pk == NULL )
|
|
{
|
|
p_sys->pk = block_Alloc( p_sys->i_packet_size + i_preheader );
|
|
/* reserve 14 bytes for the packet header */
|
|
p_sys->i_pk_used = 14 + i_preheader;
|
|
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 );
|
|
|
|
if( tk->b_audio_correction && p_sys->i_pk_frame && i_payload < i_data )
|
|
{
|
|
/* Don't know why yet but WMP doesn't like split WMA packets */
|
|
*last = asf_packet_flush( p_mux );
|
|
last = &(*last)->p_next;
|
|
continue;
|
|
}
|
|
|
|
bo_add_u8 ( &bo, !(data->i_flags & BLOCK_FLAG_TYPE_P ||
|
|
data->i_flags & BLOCK_FLAG_TYPE_B) ?
|
|
0x80 | tk->i_id : 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, MS_FROM_VLC_TICK(data->i_dts - p_sys->i_dts_first) +
|
|
p_sys->i_preroll_time );
|
|
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 + 17 >= p_sys->i_packet_size )
|
|
{
|
|
/* Not enough data for another payload, flush the packet */
|
|
*last = asf_packet_flush( p_mux );
|
|
last = &(*last)->p_next;
|
|
}
|
|
}
|
|
|
|
tk->i_sequence++;
|
|
block_Release( data );
|
|
|
|
return first;
|
|
}
|
|
|
|
static block_t *asf_stream_end_create( sout_mux_t *p_mux )
|
|
{
|
|
sout_mux_sys_t *p_sys = p_mux->p_sys;
|
|
|
|
block_t *out = NULL;
|
|
bo_t bo;
|
|
|
|
if( p_sys->b_asf_http )
|
|
{
|
|
out = block_Alloc( 12 );
|
|
bo_init( &bo, out->p_buffer, 12 );
|
|
asf_chunk_add( &bo, 0x4524, 0, 0x00, p_sys->i_seq++ );
|
|
}
|
|
else
|
|
{
|
|
/* Create index */
|
|
out = block_Alloc( 56 );
|
|
bo_init( &bo, out->p_buffer, 56 );
|
|
bo_add_guid ( &bo, &asf_object_index_guid );
|
|
bo_addle_u64( &bo, 56 );
|
|
bo_add_guid ( &bo, &p_sys->fid );
|
|
bo_addle_u64( &bo, 10000000 );
|
|
bo_addle_u32( &bo, 5 );
|
|
bo_addle_u32( &bo, 0 );
|
|
}
|
|
|
|
return out;
|
|
}
|