/***************************************************************************** * ts.c: MPEG-II TS Muxer ***************************************************************************** * Copyright (C) 2001, 2002 VideoLAN * $Id: ts.c,v 1.39 2003/11/22 20:25:01 fenrir Exp $ * * Authors: Laurent Aimar * Eric Petit * * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. *****************************************************************************/ /***************************************************************************** * Preamble *****************************************************************************/ #include #include #include #include #include "codecs.h" #include "bits.h" #include "pes.h" #if defined MODULE_NAME_IS_mux_ts_dvbpsi # ifdef HAVE_DVBPSI_DR_H # include # include # include # include # include # include # else # include "dvbpsi.h" # include "descriptor.h" # include "tables/pat.h" # include "tables/pmt.h" # include "descriptors/dr.h" # include "psi.h" # endif #endif /* * TODO: * - check PCR frequency requirement * - check PAT/PMT " " * - check PCR/PCR "soft" * - check if "registration" descriptor : "AC-3" should be a program * descriptor or an es one. (xine want an es one) * * - remove creation of PAT/PMT without dvbpsi * - ? * FIXME: * - subtitle support is far from perfect. I expect some subtitles drop * if they arrive a bit late * (We cannot rely on the fact that the fifo should be full) */ /***************************************************************************** * Module descriptor *****************************************************************************/ static int Open ( vlc_object_t * ); static void Close ( vlc_object_t * ); vlc_module_begin(); #if defined MODULE_NAME_IS_mux_ts set_description( _("TS muxer") ); set_capability( "sout mux", 100 ); add_shortcut( "ts" ); add_shortcut( "ts_nodvbpsi" ); #elif defined MODULE_NAME_IS_mux_ts_dvbpsi set_description( _("TS muxer (libdvbpsi)") ); set_capability( "sout mux", 120 ); add_shortcut( "ts" ); add_shortcut( "ts_dvbpsi" ); #endif set_callbacks( Open, Close ); vlc_module_end(); /***************************************************************************** * Exported prototypes *****************************************************************************/ static int Capability(sout_mux_t *, int, void *, void * ); static int AddStream( sout_mux_t *, sout_input_t * ); static int DelStream( sout_mux_t *, sout_input_t * ); static int Mux ( sout_mux_t * ); /***************************************************************************** * Local prototypes *****************************************************************************/ #define SOUT_BUFFER_FLAGS_PRIVATE_PCR ( 1 << SOUT_BUFFER_FLAGS_PRIVATE_SHIFT ) typedef struct { int i_depth; sout_buffer_t *p_first; sout_buffer_t **pp_last; } sout_buffer_chain_t; static inline void BufferChainInit ( sout_buffer_chain_t *c ) { c->i_depth = 0; c->p_first = NULL; c->pp_last = &c->p_first; } static inline void BufferChainAppend( sout_buffer_chain_t *c, sout_buffer_t *b ) { *c->pp_last = b; c->i_depth++; while( b->p_next ) { b = b->p_next; c->i_depth++; } c->pp_last = &b->p_next; } static inline sout_buffer_t *BufferChainGet( sout_buffer_chain_t *c ) { sout_buffer_t *b = c->p_first; if( b ) { c->i_depth--; c->p_first = b->p_next; if( c->p_first == NULL ) { c->pp_last = &c->p_first; } b->p_next = NULL; } return b; } static inline void BufferChainClean( sout_instance_t *p_sout, sout_buffer_chain_t *c ) { sout_buffer_t *b; while( ( b = BufferChainGet( c ) ) ) { sout_BufferDelete( p_sout, b ); } BufferChainInit( c ); } typedef struct ts_stream_s { int i_pid; int i_stream_type; int i_stream_id; int i_continuity_counter; /* to be used for carriege of DIV3 */ vlc_fourcc_t i_bih_codec; int i_bih_width, i_bih_height; /* Specific to mpeg4 in mpeg2ts */ int i_es_id; int i_decoder_specific_info; uint8_t *p_decoder_specific_info; sout_buffer_chain_t chain_pes; mtime_t i_pes_dts; mtime_t i_pes_length; int i_pes_used; } ts_stream_t; struct sout_mux_sys_t { int i_pcr_pid; sout_input_t *p_pcr_input; int i_stream_id_mpga; int i_stream_id_mpgv; int i_audio_bound; int i_video_bound; int i_pid_video; int i_pid_audio; int i_pid_free; // first usable pid int i_pat_version_number; ts_stream_t pat; int i_pmt_version_number; ts_stream_t pmt; // Up to now only one program int i_mpeg4_streams; int i_null_continuity_counter; /* Needed ? */ /* for TS building */ int64_t i_bitrate_min; int64_t i_bitrate_max; int64_t i_caching_delay; int64_t i_pcr_delay; int64_t i_dts_delay; mtime_t i_pcr; /* last PCR emited */ }; /* Reserve a pid and return it */ static int AllocatePID( sout_mux_sys_t *p_sys, int i_cat ) { int i_pid; if ( i_cat == VIDEO_ES && p_sys->i_pid_video ) { i_pid = p_sys->i_pid_video; p_sys->i_pid_video = 0; } else if ( i_cat == AUDIO_ES && p_sys->i_pid_audio ) { i_pid = p_sys->i_pid_audio; p_sys->i_pid_audio = 0; } else { i_pid = ++p_sys->i_pid_free; } return i_pid; } static void GetPAT( sout_mux_t *p_mux, sout_buffer_chain_t *c ); static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c ); static sout_buffer_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream, vlc_bool_t b_pcr ); static void TSSetPCR( sout_buffer_t *p_ts, mtime_t i_dts ); static void PEStoTS ( sout_instance_t *, sout_buffer_chain_t *, sout_buffer_t *, ts_stream_t * ); /***************************************************************************** * Open: *****************************************************************************/ static int Open( vlc_object_t *p_this ) { sout_mux_t *p_mux =(sout_mux_t*)p_this; sout_mux_sys_t *p_sys; char *val; msg_Dbg( p_mux, "Open" ); p_sys = malloc( sizeof( sout_mux_sys_t ) ); p_mux->pf_capacity = Capability; p_mux->pf_addstream = AddStream; p_mux->pf_delstream = DelStream; p_mux->pf_mux = Mux; p_mux->p_sys = p_sys; p_mux->i_preheader = 30; // really enough for a pes header srand( (uint32_t)mdate() ); p_sys->i_stream_id_mpga = 0xc0; p_sys->i_stream_id_mpgv = 0xe0; p_sys->i_audio_bound = 0; p_sys->i_video_bound = 0; p_sys->i_pat_version_number = rand() % 32; p_sys->pat.i_pid = 0; p_sys->pat.i_continuity_counter = 0; p_sys->i_pmt_version_number = rand() % 32; p_sys->pmt.i_pid = 0x42; p_sys->pmt.i_continuity_counter = 0; p_sys->i_pid_free = 0x43; p_sys->i_pid_video = 0; if( ( val = sout_cfg_find_value( p_mux->p_cfg, "pid-video" ) ) ) { p_sys->i_pid_video = strtol( val, NULL, 0 ); if ( p_sys->i_pid_video > p_sys->i_pid_free ) { p_sys->i_pid_free = p_sys->i_pid_video + 1; } } p_sys->i_pid_audio = 0; if( ( val = sout_cfg_find_value( p_mux->p_cfg, "pid-audio" ) ) ) { p_sys->i_pid_audio = strtol( val, NULL, 0 ); if ( p_sys->i_pid_audio > p_sys->i_pid_free ) { p_sys->i_pid_free = p_sys->i_pid_audio + 1; } } p_sys->i_pcr_pid = 0x1fff; p_sys->p_pcr_input = NULL; p_sys->i_mpeg4_streams = 0; p_sys->i_null_continuity_counter = 0; /* Allow to create constrained stream */ p_sys->i_bitrate_min = 0; p_sys->i_bitrate_max = 0; if( ( val = sout_cfg_find_value( p_mux->p_cfg, "bmin" ) ) ) { p_sys->i_bitrate_min = atoll( val ); } if( ( val = sout_cfg_find_value( p_mux->p_cfg, "bmax" ) ) ) { p_sys->i_bitrate_max = atoll( val ); } if( p_sys->i_bitrate_min > 0 && p_sys->i_bitrate_max > 0 && p_sys->i_bitrate_min > p_sys->i_bitrate_max ) { msg_Err( p_mux, "incompatible minimum and maximum bitrate, " "disabling bitrate control" ); p_sys->i_bitrate_min = 0; p_sys->i_bitrate_max = 0; } if( p_sys->i_bitrate_min > 0 || p_sys->i_bitrate_max > 0 ) { msg_Err( p_mux, "bmin and bmax no more supported (if you need them report it)" ); } p_sys->i_caching_delay = 200000; if( ( val = sout_cfg_find_value( p_mux->p_cfg, "caching" ) ) ) { p_sys->i_caching_delay = (int64_t)atoi( val ) * 1000; if( p_sys->i_caching_delay <= 0 ) { msg_Err( p_mux, "invalid caching ("I64Fd"ms) reseting to 200ms", p_sys->i_caching_delay / 1000 ); p_sys->i_caching_delay = 200000; } } p_sys->i_pcr_delay = 30000; if( ( val = sout_cfg_find_value( p_mux->p_cfg, "pcr" ) ) ) { p_sys->i_pcr_delay = (int64_t)atoi( val ) * 1000; if( p_sys->i_pcr_delay <= 0 || p_sys->i_pcr_delay >= p_sys->i_caching_delay ) { msg_Err( p_mux, "invalid pcr delay ("I64Fd"ms) reseting to 30ms", p_sys->i_pcr_delay / 1000 ); p_sys->i_pcr_delay = 30000; } } msg_Dbg( p_mux, "caching="I64Fd" pcr="I64Fd, p_sys->i_caching_delay, p_sys->i_pcr_delay ); p_sys->i_dts_delay = 200000; if( ( val = sout_cfg_find_value( p_mux->p_cfg, "dts-delay" ) ) ) { p_sys->i_dts_delay = (int64_t)atoi( val ) * 1000; } /* for TS generation */ p_sys->i_pcr = 0; return VLC_SUCCESS; } /***************************************************************************** * Close: *****************************************************************************/ static void Close( vlc_object_t * p_this ) { sout_mux_t *p_mux = (sout_mux_t*)p_this; sout_mux_sys_t *p_sys = p_mux->p_sys; msg_Dbg( p_mux, "Close" ); free( p_sys ); } /***************************************************************************** * Capability: *****************************************************************************/ static int Capability( sout_mux_t *p_mux, int i_query, void *p_args, void *p_answer ) { switch( i_query ) { case SOUT_MUX_CAP_GET_ADD_STREAM_ANY_TIME: *(vlc_bool_t*)p_answer = VLC_TRUE; return( SOUT_MUX_CAP_ERR_OK ); default: return( SOUT_MUX_CAP_ERR_UNIMPLEMENTED ); } } /***************************************************************************** * AddStream: called for each stream addition *****************************************************************************/ static int AddStream( sout_mux_t *p_mux, sout_input_t *p_input ) { sout_mux_sys_t *p_sys = p_mux->p_sys; ts_stream_t *p_stream; msg_Dbg( p_mux, "adding input codec=%4.4s", (char*)&p_input->p_fmt->i_codec ); p_input->p_sys = (void*)p_stream = malloc( sizeof( ts_stream_t ) ); /* Init this new stream */ p_stream->i_pid = AllocatePID( p_sys, p_input->p_fmt->i_cat ); p_stream->i_continuity_counter = 0; p_stream->i_decoder_specific_info = 0; p_stream->p_decoder_specific_info = NULL; /* All others fields depand on codec */ switch( p_input->p_fmt->i_cat ) { case VIDEO_ES: switch( p_input->p_fmt->i_codec ) { case VLC_FOURCC( 'm', 'p','g', 'v' ): /* TODO: do we need to check MPEG-I/II ? */ p_stream->i_stream_type = 0x02; p_stream->i_stream_id = p_sys->i_stream_id_mpgv; p_sys->i_stream_id_mpgv++; break; case VLC_FOURCC( 'm', 'p','4', 'v' ): p_stream->i_stream_type = 0x10; p_stream->i_stream_id = 0xfa; p_sys->i_mpeg4_streams++; p_stream->i_es_id = p_stream->i_pid; break; /* XXX dirty dirty but somebody want that : using crapy MS-codec XXX */ /* I didn't want to do that :P */ case VLC_FOURCC( 'H', '2', '6', '3' ): case VLC_FOURCC( 'I', '2', '6', '3' ): case VLC_FOURCC( 'W', 'M', 'V', '2' ): case VLC_FOURCC( 'W', 'M', 'V', '1' ): case VLC_FOURCC( 'D', 'I', 'V', '3' ): case VLC_FOURCC( 'D', 'I', 'V', '2' ): case VLC_FOURCC( 'D', 'I', 'V', '1' ): case VLC_FOURCC( 'M', 'J', 'P', 'G' ): p_stream->i_stream_type = 0xa0; // private p_stream->i_stream_id = 0xa0; // beurk p_stream->i_bih_codec = p_input->p_fmt->i_codec; p_stream->i_bih_width = p_input->p_fmt->video.i_width; p_stream->i_bih_height = p_input->p_fmt->video.i_height; break; default: free( p_stream ); return VLC_EGENERIC; } p_sys->i_video_bound++; break; case AUDIO_ES: switch( p_input->p_fmt->i_codec ) { case VLC_FOURCC( 'm', 'p','g', 'a' ): p_stream->i_stream_type = p_input->p_fmt->audio.i_rate >= 32000 ? 0x03 : 0x04; p_stream->i_stream_id = p_sys->i_stream_id_mpga; p_sys->i_stream_id_mpga++; break; case VLC_FOURCC( 'a', '5','2', ' ' ): p_stream->i_stream_type = 0x81; p_stream->i_stream_id = 0xbd; break; case VLC_FOURCC( 'l', 'p','c', 'm' ): p_stream->i_stream_type = 0x83; p_stream->i_stream_id = 0xbd; break; case VLC_FOURCC( 'd', 't','s', ' ' ): p_stream->i_stream_type = 0x85; p_stream->i_stream_id = 0xbd; break; case VLC_FOURCC( 'm', 'p','4', 'a' ): p_stream->i_stream_type = 0x11; p_stream->i_stream_id = 0xfa; p_sys->i_mpeg4_streams++; p_stream->i_es_id = p_stream->i_pid; break; default: free( p_stream ); return VLC_EGENERIC; } p_sys->i_audio_bound++; break; case SPU_ES: switch( p_input->p_fmt->i_codec ) { case VLC_FOURCC( 's', 'p','u', ' ' ): p_stream->i_stream_type = 0x82; p_stream->i_stream_id = 0xbd; break; default: free( p_stream ); return VLC_EGENERIC; } break; default: free( p_stream ); return VLC_EGENERIC; } /* Copy extra data (VOL for MPEG-4 and extra BitMapInfoHeader for VFW */ p_stream->i_decoder_specific_info = p_input->p_fmt->i_extra; if( p_stream->i_decoder_specific_info > 0 ) { p_stream->p_decoder_specific_info = malloc( p_stream->i_decoder_specific_info ); memcpy( p_stream->p_decoder_specific_info, p_input->p_fmt->p_extra, p_input->p_fmt->i_extra ); } /* Init pes chain */ BufferChainInit( &p_stream->chain_pes ); p_stream->i_pes_dts = 0; p_stream->i_pes_length = 0; p_stream->i_pes_used = 0; /* We only change PMT version (PAT isn't changed) */ p_sys->i_pmt_version_number = ( p_sys->i_pmt_version_number + 1 )%32; /* Update pcr_pid */ if( p_input->p_fmt->i_cat != SPU_ES && ( p_sys->i_pcr_pid == 0x1fff || p_input->p_fmt->i_cat == VIDEO_ES ) ) { if( p_sys->p_pcr_input ) { /* There was already a PCR stream, so clean context */ /* FIXME */ } p_sys->i_pcr_pid = p_stream->i_pid; p_sys->p_pcr_input = p_input; } return VLC_SUCCESS; } /***************************************************************************** * DelStream: called before a stream deletion *****************************************************************************/ static int DelStream( sout_mux_t *p_mux, sout_input_t *p_input ) { sout_mux_sys_t *p_sys = p_mux->p_sys; ts_stream_t *p_stream; char *val; msg_Dbg( p_mux, "removing input" ); p_stream = (ts_stream_t*)p_input->p_sys; if( p_sys->i_pcr_pid == p_stream->i_pid ) { int i; /* Find a new pcr stream (Prefer Video Stream) */ p_sys->i_pcr_pid = 0x1fff; p_sys->p_pcr_input = NULL; for( i = 0; i < p_mux->i_nb_inputs; i++ ) { if( p_mux->pp_inputs[i] == p_input ) { continue; } if( p_mux->pp_inputs[i]->p_fmt->i_cat == VIDEO_ES ) { p_sys->i_pcr_pid = ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid; p_sys->p_pcr_input= p_mux->pp_inputs[i]; break; } else if( p_mux->pp_inputs[i]->p_fmt->i_cat != SPU_ES && p_sys->i_pcr_pid == 0x1fff ) { p_sys->i_pcr_pid = ((ts_stream_t*)p_mux->pp_inputs[i]->p_sys)->i_pid; p_sys->p_pcr_input= p_mux->pp_inputs[i]; } } if( p_sys->p_pcr_input ) { /* Empty TS buffer */ /* FIXME */ } } /* Empty all data in chain_pes */ BufferChainClean( p_mux->p_sout, &p_stream->chain_pes ); if( p_stream->p_decoder_specific_info ) { free( p_stream->p_decoder_specific_info ); } if( p_stream->i_stream_id == 0xfa || p_stream->i_stream_id == 0xfb ) { p_sys->i_mpeg4_streams--; } if( ( val = sout_cfg_find_value( p_mux->p_cfg, "pid-video" ) ) ) { int i_pid_video = strtol( val, NULL, 0 ); if ( i_pid_video == p_stream->i_pid ) { p_sys->i_pid_video = i_pid_video; } } if( ( val = sout_cfg_find_value( p_mux->p_cfg, "pid-audio" ) ) ) { int i_pid_audio = strtol( val, NULL, 0 ); if ( i_pid_audio == p_stream->i_pid ) { p_sys->i_pid_audio = i_pid_audio; } } free( p_stream ); /* We only change PMT version (PAT isn't changed) */ p_sys->i_pmt_version_number++; p_sys->i_pmt_version_number %= 32; return VLC_SUCCESS; } /***************************************************************************** * Mux: Call each time there is new data for at least one stream ***************************************************************************** * *****************************************************************************/ static int Mux( sout_mux_t *p_mux ) { sout_mux_sys_t *p_sys = p_mux->p_sys; ts_stream_t *p_pcr_stream; if( p_sys->i_pcr_pid == 0x1fff ) { msg_Dbg( p_mux, "waiting PCR streams" ); msleep( 1000 ); return VLC_SUCCESS; } p_pcr_stream = (ts_stream_t*)p_sys->p_pcr_input->p_sys; for( ;; ) { sout_buffer_chain_t chain_ts; int i_packet_count; int i_packet_pos; mtime_t i_pcr_dts; mtime_t i_pcr_length; int i; /* 1: get enough PES packet for all input */ for( ;; ) { vlc_bool_t b_ok = VLC_TRUE; sout_buffer_t *p_data; /* Accumulate enough data in the pcr stream (>i_caching_delay) */ /* Accumulate enough data in all other stream ( >= length of pcr) */ for( i = 0; i < p_mux->i_nb_inputs; i++ ) { sout_input_t *p_input = p_mux->pp_inputs[i]; ts_stream_t *p_stream = (ts_stream_t*)p_input->p_sys; if( ( p_stream == p_pcr_stream && p_stream->i_pes_length <= p_sys->i_caching_delay ) || p_stream->i_pes_dts + p_stream->i_pes_length < p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length ) { /* Need more data */ if( p_input->p_fifo->i_depth <= 1 ) { if( p_input->p_fmt->i_cat == AUDIO_ES || p_input->p_fmt->i_cat == VIDEO_ES ) { /* We need more data */ return VLC_SUCCESS; } else if( p_input->p_fifo->i_depth <= 0 ) { /* spu, only one packet is needed */ continue; } } b_ok = VLC_FALSE; p_data = sout_FifoGet( p_input->p_fifo ); if( p_input->p_fifo->i_depth > 0 ) { sout_buffer_t *p_next = sout_FifoShow( p_input->p_fifo ); p_data->i_length = p_next->i_dts - p_data->i_dts; } if( ( p_pcr_stream->i_pes_dts > 0 && p_data->i_dts - 2000000 > p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length ) || p_data->i_dts < p_stream->i_pes_dts || ( p_stream->i_pes_dts > 0 && p_data->i_dts - 2000000 > p_stream->i_pes_dts + p_stream->i_pes_length ) ) { msg_Warn( p_mux, "packet with too strange dts (dts=%lld,old=%lld,pcr=%lld)", p_data->i_dts, p_stream->i_pes_dts, p_pcr_stream->i_pes_dts ); sout_BufferDelete( p_mux->p_sout, p_data ); BufferChainClean( p_mux->p_sout, &p_stream->chain_pes ); p_stream->i_pes_dts = 0; p_stream->i_pes_used = 0; p_stream->i_pes_length = 0; BufferChainClean( p_mux->p_sout, &p_pcr_stream->chain_pes ); p_pcr_stream->i_pes_dts = 0; p_pcr_stream->i_pes_used = 0; p_pcr_stream->i_pes_length = 0; } else { p_stream->i_pes_length += p_data->i_length; if( p_stream->i_pes_dts == 0 ) { p_stream->i_pes_dts = p_data->i_dts; } /* Convert to pes */ E_( EStoPES )( p_mux->p_sout, &p_data, p_data, p_stream->i_stream_id, 1 ); BufferChainAppend( &p_stream->chain_pes, p_data ); } } } if( b_ok ) { break; } } /* save */ i_pcr_dts = p_pcr_stream->i_pes_dts; i_pcr_length = p_pcr_stream->i_pes_length; /* msg_Dbg( p_mux, "starting muxing %lldms", i_pcr_length / 1000 ); */ /* 2: calculate non accurate total size of muxed ts */ i_packet_count = 0; for( i = 0; i < p_mux->i_nb_inputs; i++ ) { ts_stream_t *p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys; sout_buffer_t *p_pes; /* False for pcr stream but it will be eough to do PCR algo */ for( p_pes = p_stream->chain_pes.p_first; p_pes != NULL; p_pes = p_pes->p_next ) { int i_size = p_pes->i_size; if( p_pes->i_dts + p_pes->i_length > p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length ) { mtime_t i_frag = p_pcr_stream->i_pes_dts + p_pcr_stream->i_pes_length - p_pes->i_dts; if( i_frag < 0 ) { /* Next stream */ break; } i_size = p_pes->i_size * i_frag / p_pes->i_length; } i_packet_count += ( i_size + 183 ) / 184; } } /* add overhead for PCR (not really exact) */ i_packet_count += ( 8 * i_pcr_length / p_sys->i_pcr_delay + 175 ) / 176; /* 3: mux PES into TS */ BufferChainInit( &chain_ts ); /* append PAT/PMT -> FIXME with big pcr delay it won't have enough pat/pmt */ GetPAT( p_mux, &chain_ts); GetPMT( p_mux, &chain_ts ); i_packet_pos = 0; i_packet_count += chain_ts.i_depth; /* msg_Dbg( p_mux, "estimated pck=%d", i_packet_count ); */ for( ;; ) { int i_stream; mtime_t i_dts; ts_stream_t *p_stream; sout_buffer_t *p_ts; vlc_bool_t b_pcr; /* Select stream (lowest dts)*/ for( i = 0, i_stream = -1, i_dts = 0; i < p_mux->i_nb_inputs; i++ ) { p_stream = (ts_stream_t*)p_mux->pp_inputs[i]->p_sys; if( p_stream->i_pes_dts == 0 ) { continue; } if( i_stream == -1 || p_stream->i_pes_dts < i_dts ) { i_stream = i; i_dts = p_stream->i_pes_dts; } } if( i_stream == -1 ) { break; } p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys; /* do we need to issue pcr */ b_pcr = VLC_FALSE; if( p_stream == p_pcr_stream && i_pcr_dts + i_packet_pos * i_pcr_length / i_packet_count >= p_sys->i_pcr + p_sys->i_pcr_delay ) { b_pcr = VLC_TRUE; p_sys->i_pcr = i_pcr_dts + i_packet_pos * i_pcr_length / i_packet_count; } /* Build the TS packet */ p_ts = TSNew( p_mux, p_stream, b_pcr ); i_packet_pos++; /* */ BufferChainAppend( &chain_ts, p_ts ); } /* 4: date and send */ i_packet_count = chain_ts.i_depth; /* msg_Dbg( p_mux, "real pck=%d", i_packet_count ); */ for( i = 0; i < i_packet_count; i++ ) { sout_buffer_t *p_ts = BufferChainGet( &chain_ts ); p_ts->i_dts = i_pcr_dts + i_pcr_length * i / i_packet_count; p_ts->i_length = i_pcr_length / i_packet_count; if( p_ts->i_flags&SOUT_BUFFER_FLAGS_PRIVATE_PCR ) { /* msg_Dbg( p_mux, "pcr=%lld ms", p_ts->i_dts / 1000 ); */ TSSetPCR( p_ts, p_ts->i_dts - p_sys->i_dts_delay ); } /* latency */ p_ts->i_dts += 3*p_sys->i_caching_delay/2; sout_AccessOutWrite( p_mux->p_access, p_ts ); } } } static sout_buffer_t *TSNew( sout_mux_t *p_mux, ts_stream_t *p_stream, vlc_bool_t b_pcr ) { sout_buffer_t *p_pes = p_stream->chain_pes.p_first; sout_buffer_t *p_ts; vlc_bool_t b_new_pes = VLC_FALSE; vlc_bool_t b_adaptation_field = VLC_FALSE; int i_payload_max = 184 - ( b_pcr ? 8 : 0 ); int i_payload; if( p_stream->i_pes_used <= 0 ) { b_new_pes = VLC_TRUE; } i_payload = __MIN( (int)p_pes->i_size - p_stream->i_pes_used, i_payload_max ); if( b_pcr || i_payload < i_payload_max ) { b_adaptation_field = VLC_TRUE; } p_ts = sout_BufferNew( p_mux->p_sout, 188 ); p_ts->p_buffer[0] = 0x47; p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 )|( ( p_stream->i_pid >> 8 )&0x1f ); p_ts->p_buffer[2] = p_stream->i_pid & 0xff; p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 )|p_stream->i_continuity_counter; p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16; if( b_adaptation_field ) { int i; if( b_pcr ) { int i_stuffing = i_payload_max - i_payload; p_ts->i_flags |= SOUT_BUFFER_FLAGS_PRIVATE_PCR; p_ts->p_buffer[4] = 7 + i_stuffing; p_ts->p_buffer[5] = 0x10; /* flags */ p_ts->p_buffer[6] = ( 0 )&0xff; p_ts->p_buffer[7] = ( 0 )&0xff; p_ts->p_buffer[8] = ( 0 )&0xff; p_ts->p_buffer[9] = ( 0 )&0xff; p_ts->p_buffer[10]= ( 0 )&0x80; p_ts->p_buffer[11]= 0; for( i = 12; i < 12 + i_stuffing; i++ ) { p_ts->p_buffer[i] = 0xff; } } else { int i_stuffing = i_payload_max - i_payload; p_ts->p_buffer[4] = i_stuffing - 1; if( i_stuffing > 1 ) { p_ts->p_buffer[5] = 0x00; for( i = 6; i < 6 + i_stuffing - 2; i++ ) { p_ts->p_buffer[i] = 0xff; } } } } /* copy payload */ memcpy( &p_ts->p_buffer[188 - i_payload], &p_pes->p_buffer[p_stream->i_pes_used], i_payload ); p_stream->i_pes_used += i_payload; p_stream->i_pes_dts = p_pes->i_dts + p_pes->i_length * p_stream->i_pes_used / p_pes->i_size; p_stream->i_pes_length -= p_pes->i_length * i_payload / p_pes->i_size; if( p_stream->i_pes_used >= (int)p_pes->i_size ) { p_pes = BufferChainGet( &p_stream->chain_pes ); sout_BufferDelete( p_mux->p_sout, p_pes ); p_pes = p_stream->chain_pes.p_first; if( p_pes ) { p_stream->i_pes_dts = p_pes->i_dts; p_stream->i_pes_length = 0; while( p_pes ) { p_stream->i_pes_length += p_pes->i_length; p_pes = p_pes->p_next; } } else { p_stream->i_pes_dts = 0; p_stream->i_pes_length = 0; } p_stream->i_pes_used = 0; } return p_ts; } static void TSSetPCR( sout_buffer_t *p_ts, mtime_t i_dts ) { mtime_t i_pcr = 9 * i_dts / 100; p_ts->p_buffer[6] = ( i_pcr >> 25 )&0xff; p_ts->p_buffer[7] = ( i_pcr >> 17 )&0xff; p_ts->p_buffer[8] = ( i_pcr >> 9 )&0xff; p_ts->p_buffer[9] = ( i_pcr >> 1 )&0xff; p_ts->p_buffer[10]|= ( i_pcr << 7 )&0x80; } #if 0 static void TSSetConstraints( sout_mux_t *p_mux, sout_buffer_chain_t *c, mtime_t i_length, int i_bitrate_min, int i_bitrate_max ) { sout_mux_sys_t *p_sys = p_mux->p_sys; sout_buffer_chain_t s = *c; int i_packets = 0; int i_packets_min = 0; int i_packets_max = 0; if( i_length <= 0 ) { return; } i_packets = c->i_depth; i_packets_min = ( (int64_t)i_bitrate_min * i_length / 8 / 1000000 + 187 ) / 188; i_packets_max = ( (int64_t)i_bitrate_max * i_length / 8 / 1000000 + 187 ) / 188; if( i_packets < i_packets_min && i_packets_min > 0 ) { sout_buffer_t *p_pk; int i_div = ( i_packets_min - i_packets ) / i_packets; int i_mod = ( i_packets_min - i_packets ) % i_packets; int i_rest = 0; /* We need to pad with null packets (pid=0x1fff) * We try to melt null packets with true packets */ msg_Dbg( p_mux, "packets=%d but min=%d -> adding %d packets of padding", i_packets, i_packets_min, i_packets_min - i_packets ); BufferChainInit( c ); while( ( p_pk = BufferChainGet( &s ) ) ) { int i, i_null; BufferChainAppend( c, p_pk ); i_null = i_div + ( i_rest + i_mod ) / i_packets; for( i = 0; i < i_null; i++ ) { sout_buffer_t *p_null; p_null = sout_BufferNew( p_mux->p_sout, 188 ); p_null->p_buffer[0] = 0x47; p_null->p_buffer[1] = 0x1f; p_null->p_buffer[2] = 0xff; p_null->p_buffer[3] = 0x10 | p_sys->i_null_continuity_counter; memset( &p_null->p_buffer[4], 0, 184 ); p_sys->i_null_continuity_counter = ( p_sys->i_null_continuity_counter + 1 ) % 16; BufferChainAppend( c, p_null ); } i_rest = ( i_rest + i_mod ) % i_packets; } } else if( i_packets > i_packets_max && i_packets_max > 0 ) { sout_buffer_t *p_pk; int i; /* Arg, we need to drop packets, I don't do something clever (like * dropping complete pid, b frames, ... ), I just get the right amount * of packets and discard the others */ msg_Warn( p_mux, "packets=%d but max=%d -> removing %d packets -> stream broken", i_packets, i_packets_max, i_packets - i_packets_max ); BufferChainInit( c ); for( i = 0; i < i_packets_max; i++ ) { BufferChainAppend( c, BufferChainGet( &s ) ); } while( ( p_pk = BufferChainGet( &s ) ) ) { sout_BufferDelete( p_mux->p_sout, p_pk ); } } } #endif static void PEStoTS( sout_instance_t *p_sout, sout_buffer_chain_t *c, sout_buffer_t *p_pes, ts_stream_t *p_stream ) { uint8_t *p_data; int i_size; int b_new_pes; /* get PES total size */ i_size = p_pes->i_size; p_data = p_pes->p_buffer; b_new_pes = VLC_TRUE; for( ;; ) { int b_adaptation_field; int i_copy; sout_buffer_t *p_ts; p_ts = sout_BufferNew( p_sout, 188 ); /* write header * 8b 0x47 sync byte * 1b transport_error_indicator * 1b payload_unit_start * 1b transport_priority * 13b pid * 2b transport_scrambling_control * 2b if adaptation_field 0x03 else 0x01 * 4b continuity_counter */ i_copy = __MIN( i_size, 184 ); b_adaptation_field = i_size < 184 ? VLC_TRUE : VLC_FALSE; p_ts->p_buffer[0] = 0x47; p_ts->p_buffer[1] = ( b_new_pes ? 0x40 : 0x00 )| ( ( p_stream->i_pid >> 8 )&0x1f ); p_ts->p_buffer[2] = p_stream->i_pid & 0xff; p_ts->p_buffer[3] = ( b_adaptation_field ? 0x30 : 0x10 )| p_stream->i_continuity_counter; b_new_pes = VLC_FALSE; p_stream->i_continuity_counter = (p_stream->i_continuity_counter+1)%16; if( b_adaptation_field ) { int i_stuffing = 184 - i_copy; int i; p_ts->p_buffer[4] = i_stuffing - 1; if( i_stuffing > 1 ) { p_ts->p_buffer[5] = 0x00; for( i = 6; i < 6 + i_stuffing - 2; i++ ) { p_ts->p_buffer[i] = 0xff; } } } /* copy payload */ memcpy( &p_ts->p_buffer[188 - i_copy], p_data, i_copy ); p_data += i_copy; i_size -= i_copy; BufferChainAppend( c, p_ts ); if( i_size <= 0 ) { sout_buffer_t *p_next = p_pes->p_next; p_pes->p_next = NULL; sout_BufferDelete( p_sout, p_pes ); if( p_next == NULL ) { break; } b_new_pes = VLC_TRUE; p_pes = p_next; i_size = p_pes->i_size; p_data = p_pes->p_buffer; } } return; } #if defined MODULE_NAME_IS_mux_ts static uint32_t CalculateCRC( uint8_t *p_begin, int i_count ) { static uint32_t CRC32[256] = { 0x00000000, 0x04c11db7, 0x09823b6e, 0x0d4326d9, 0x130476dc, 0x17c56b6b, 0x1a864db2, 0x1e475005, 0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, 0x2b4bcb61, 0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd, 0x4c11db70, 0x48d0c6c7, 0x4593e01e, 0x4152fda9, 0x5f15adac, 0x5bd4b01b, 0x569796c2, 0x52568b75, 0x6a1936c8, 0x6ed82b7f, 0x639b0da6, 0x675a1011, 0x791d4014, 0x7ddc5da3, 0x709f7b7a, 0x745e66cd, 0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039, 0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5, 0xbe2b5b58, 0xbaea46ef, 0xb7a96036, 0xb3687d81, 0xad2f2d84, 0xa9ee3033, 0xa4ad16ea, 0xa06c0b5d, 0xd4326d90, 0xd0f37027, 0xddb056fe, 0xd9714b49, 0xc7361b4c, 0xc3f706fb, 0xceb42022, 0xca753d95, 0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1, 0xe13ef6f4, 0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d, 0x34867077, 0x30476dc0, 0x3d044b19, 0x39c556ae, 0x278206ab, 0x23431b1c, 0x2e003dc5, 0x2ac12072, 0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16, 0x018aeb13, 0x054bf6a4, 0x0808d07d, 0x0cc9cdca, 0x7897ab07, 0x7c56b6b0, 0x71159069, 0x75d48dde, 0x6b93dddb, 0x6f52c06c, 0x6211e6b5, 0x66d0fb02, 0x5e9f46bf, 0x5a5e5b08, 0x571d7dd1, 0x53dc6066, 0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba, 0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e, 0xbfa1b04b, 0xbb60adfc, 0xb6238b25, 0xb2e29692, 0x8aad2b2f, 0x8e6c3698, 0x832f1041, 0x87ee0df6, 0x99a95df3, 0x9d684044, 0x902b669d, 0x94ea7b2a, 0xe0b41de7, 0xe4750050, 0xe9362689, 0xedf73b3e, 0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2, 0xc6bcf05f, 0xc27dede8, 0xcf3ecb31, 0xcbffd686, 0xd5b88683, 0xd1799b34, 0xdc3abded, 0xd8fba05a, 0x690ce0ee, 0x6dcdfd59, 0x608edb80, 0x644fc637, 0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb, 0x4f040d56, 0x4bc510e1, 0x46863638, 0x42472b8f, 0x5c007b8a, 0x58c1663d, 0x558240e4, 0x51435d53, 0x251d3b9e, 0x21dc2629, 0x2c9f00f0, 0x285e1d47, 0x36194d42, 0x32d850f5, 0x3f9b762c, 0x3b5a6b9b, 0x0315d626, 0x07d4cb91, 0x0a97ed48, 0x0e56f0ff, 0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623, 0xf12f560e, 0xf5ee4bb9, 0xf8ad6d60, 0xfc6c70d7, 0xe22b20d2, 0xe6ea3d65, 0xeba91bbc, 0xef68060b, 0xd727bbb6, 0xd3e6a601, 0xdea580d8, 0xda649d6f, 0xc423cd6a, 0xc0e2d0dd, 0xcda1f604, 0xc960ebb3, 0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7, 0xae3afba2, 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b, 0x9b3660c6, 0x9ff77d71, 0x92b45ba8, 0x9675461f, 0x8832161a, 0x8cf30bad, 0x81b02d74, 0x857130c3, 0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640, 0x4e8ee645, 0x4a4ffbf2, 0x470cdd2b, 0x43cdc09c, 0x7b827d21, 0x7f436096, 0x7200464f, 0x76c15bf8, 0x68860bfd, 0x6c47164a, 0x61043093, 0x65c52d24, 0x119b4be9, 0x155a565e, 0x18197087, 0x1cd86d30, 0x029f3d35, 0x065e2082, 0x0b1d065b, 0x0fdc1bec, 0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088, 0x2497d08d, 0x2056cd3a, 0x2d15ebe3, 0x29d4f654, 0xc5a92679, 0xc1683bce, 0xcc2b1d17, 0xc8ea00a0, 0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb, 0xdbee767c, 0xe3a1cbc1, 0xe760d676, 0xea23f0af, 0xeee2ed18, 0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4, 0x89b8fd09, 0x8d79e0be, 0x803ac667, 0x84fbdbd0, 0x9abc8bd5, 0x9e7d9662, 0x933eb0bb, 0x97ffad0c, 0xafb010b1, 0xab710d06, 0xa6322bdf, 0xa2f33668, 0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4 }; uint32_t i_crc = 0xffffffff; /* Calculate the CRC */ while( i_count > 0 ) { i_crc = (i_crc<<8) ^ CRC32[ (i_crc>>24) ^ ((uint32_t)*p_begin) ]; p_begin++; i_count--; } return( i_crc ); } static void GetPAT( sout_mux_t *p_mux, sout_buffer_chain_t *c ) { sout_mux_sys_t *p_sys = p_mux->p_sys; sout_buffer_t *p_pat; bits_buffer_t bits; p_pat = sout_BufferNew( p_mux->p_sout, 1024 ); p_pat->i_pts = 0; p_pat->i_dts = 0; p_pat->i_length = 0; bits_initwrite( &bits, 1024, p_pat->p_buffer ); bits_write( &bits, 8, 0 ); // pointer bits_write( &bits, 8, 0x00 ); // table id bits_write( &bits, 1, 1 ); // section_syntax_indicator bits_write( &bits, 1, 0 ); // 0 bits_write( &bits, 2, 0x03 ); // reserved FIXME bits_write( &bits, 12, 13 ); // XXX for one program only XXX bits_write( &bits, 16, 0x01 ); // FIXME stream id bits_write( &bits, 2, 0x03 ); // FIXME bits_write( &bits, 5, p_sys->i_pat_version_number ); bits_write( &bits, 1, 1 ); // current_next_indicator bits_write( &bits, 8, 0 ); // section number bits_write( &bits, 8, 0 ); // last section number bits_write( &bits, 16, 1 ); // program number bits_write( &bits, 3, 0x07 ); // reserved bits_write( &bits, 13, p_sys->pmt.i_pid ); // program map pid bits_write( &bits, 32, CalculateCRC( bits.p_data + 1, bits.i_data - 1) ); p_pat->i_size = bits.i_data; PEStoTS( p_mux->p_sout, c, p_pat, &p_sys->pat ); } static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c ) { sout_mux_sys_t *p_sys = p_mux->p_sys; sout_buffer_t *p_pmt; bits_buffer_t bits; int i_stream; p_pmt = sout_BufferNew( p_mux->p_sout, 1024 ); p_pmt->i_pts = 0; p_pmt->i_dts = 0; p_pmt->i_length = 0; bits_initwrite( &bits, 1024, p_pmt->p_buffer ); bits_write( &bits, 8, 0 ); // pointer bits_write( &bits, 8, 0x02 ); // table id bits_write( &bits, 1, 1 ); // section_syntax_indicator bits_write( &bits, 1, 0 ); // 0 bits_write( &bits, 2, 0 ); // reserved FIXME bits_write( &bits, 12, 13 + 5 * p_mux->i_nb_inputs ); bits_write( &bits, 16, 1 ); // FIXME program number bits_write( &bits, 2, 0 ); // FIXME bits_write( &bits, 5, p_sys->i_pmt_version_number ); bits_write( &bits, 1, 1 ); // current_next_indicator bits_write( &bits, 8, 0 ); // section number bits_write( &bits, 8, 0 ); // last section number bits_write( &bits, 3, 0 ); // reserved bits_write( &bits, 13, p_sys->i_pcr_pid ); // FIXME FXIME PCR_PID FIXME bits_write( &bits, 4, 0 ); // reserved FIXME bits_write( &bits, 12, 0 ); // program info len FIXME for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ ) { ts_stream_t *p_stream; p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys; bits_write( &bits, 8, p_stream->i_stream_type ); // stream_type bits_write( &bits, 3, 0 ); // reserved bits_write( &bits, 13, p_stream->i_pid ); // es pid bits_write( &bits, 4, 0 ); //reserved bits_write( &bits, 12, 0 ); // es info len FIXME } bits_write( &bits, 32, CalculateCRC( bits.p_data + 1, bits.i_data - 1) ); p_pmt->i_size = bits.i_data; PEStoTS( p_mux->p_sout, c, p_pmt, &p_sys->pmt ); } #elif defined MODULE_NAME_IS_mux_ts_dvbpsi static sout_buffer_t *WritePSISection( sout_instance_t *p_sout, dvbpsi_psi_section_t* p_section ) { sout_buffer_t *p_psi, *p_first = NULL; while( p_section ) { int i_size; i_size = (uint32_t)( p_section->p_payload_end - p_section->p_data )+ ( p_section->b_syntax_indicator ? 4 : 0 ); p_psi = sout_BufferNew( p_sout, i_size + 1 ); p_psi->i_pts = 0; p_psi->i_dts = 0; p_psi->i_length = 0; p_psi->i_size = i_size + 1; p_psi->p_buffer[0] = 0; // pointer memcpy( p_psi->p_buffer + 1, p_section->p_data, i_size ); sout_BufferChain( &p_first, p_psi ); p_section = p_section->p_next; } return( p_first ); } static void GetPAT( sout_mux_t *p_mux, sout_buffer_chain_t *c ) { sout_mux_sys_t *p_sys = p_mux->p_sys; sout_buffer_t *p_pat; dvbpsi_pat_t pat; dvbpsi_psi_section_t *p_section; dvbpsi_InitPAT( &pat, 0x01, // i_ts_id p_sys->i_pat_version_number, 1 ); // b_current_next /* add all program (only one) */ dvbpsi_PATAddProgram( &pat, 1, // i_number p_sys->pmt.i_pid ); // i_pid p_section = dvbpsi_GenPATSections( &pat, 0 ); // max program per section p_pat = WritePSISection( p_mux->p_sout, p_section ); PEStoTS( p_mux->p_sout, c, p_pat, &p_sys->pat ); dvbpsi_DeletePSISections( p_section ); dvbpsi_EmptyPAT( &pat ); } static uint32_t GetDescriptorLength24b( int i_length ) { uint32_t i_l1, i_l2, i_l3; i_l1 = i_length&0x7f; i_l2 = ( i_length >> 7 )&0x7f; i_l3 = ( i_length >> 14 )&0x7f; return( 0x808000 | ( i_l3 << 16 ) | ( i_l2 << 8 ) | i_l1 ); } static void GetPMT( sout_mux_t *p_mux, sout_buffer_chain_t *c ) { sout_mux_sys_t *p_sys = p_mux->p_sys; sout_buffer_t *p_pmt; dvbpsi_pmt_t pmt; dvbpsi_pmt_es_t *p_es; dvbpsi_psi_section_t *p_section; int i_stream; dvbpsi_InitPMT( &pmt, 0x01, // program number p_sys->i_pmt_version_number, 1, // b_current_next p_sys->i_pcr_pid ); if( p_sys->i_mpeg4_streams > 0 ) { uint8_t iod[4096]; bits_buffer_t bits; bits_buffer_t bits_fix_IOD; /* Make valgrind happy : it works at byte level not bit one so * bit_write confuse it (but DON'T CHANGE the way that bit_write is * working (needed when fixing some bits) */ memset( iod, 0, 4096 ); bits_initwrite( &bits, 4096, iod ); // IOD_label bits_write( &bits, 8, 0x01 ); // InitialObjectDescriptor bits_align( &bits ); bits_write( &bits, 8, 0x02 ); // tag bits_fix_IOD = bits; // save states to fix length later bits_write( &bits, 24, GetDescriptorLength24b( 0 ) ); // variable length (fixed later) bits_write( &bits, 10, 0x01 ); // ObjectDescriptorID bits_write( &bits, 1, 0x00 ); // URL Flag bits_write( &bits, 1, 0x00 ); // includeInlineProfileLevelFlag bits_write( &bits, 4, 0x0f ); // reserved bits_write( &bits, 8, 0xff ); // ODProfile (no ODcapability ) bits_write( &bits, 8, 0xff ); // sceneProfile bits_write( &bits, 8, 0xfe ); // audioProfile (unspecified) bits_write( &bits, 8, 0xfe ); // visualProfile( // ) bits_write( &bits, 8, 0xff ); // graphicProfile (no ) for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ ) { ts_stream_t *p_stream; p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys; if( p_stream->i_stream_id == 0xfa || p_stream->i_stream_id == 0xfb ) { bits_buffer_t bits_fix_ESDescr, bits_fix_Decoder; /* ES descriptor */ bits_align( &bits ); bits_write( &bits, 8, 0x03 ); // ES_DescrTag bits_fix_ESDescr = bits; bits_write( &bits, 24, GetDescriptorLength24b( 0 ) ); // variable size bits_write( &bits, 16, p_stream->i_es_id ); bits_write( &bits, 1, 0x00 ); // streamDependency bits_write( &bits, 1, 0x00 ); // URL Flag bits_write( &bits, 1, 0x00 ); // OCRStreamFlag bits_write( &bits, 5, 0x1f ); // streamPriority // DecoderConfigDesciptor bits_align( &bits ); bits_write( &bits, 8, 0x04 ); // DecoderConfigDescrTag bits_fix_Decoder = bits; bits_write( &bits, 24, GetDescriptorLength24b( 0 ) ); if( p_stream->i_stream_type == 0x10 ) { bits_write( &bits, 8, 0x20 ); // Visual 14496-2 bits_write( &bits, 6, 0x04 ); // VisualStream } else if( p_stream->i_stream_type == 0x11 ) { bits_write( &bits, 8, 0x40 ); // Audio 14496-3 bits_write( &bits, 6, 0x05 ); // AudioStream } else { bits_write( &bits, 8, 0x00 ); bits_write( &bits, 6, 0x00 ); msg_Err( p_mux->p_sout,"Unsupported stream_type => broken IOD"); } bits_write( &bits, 1, 0x00 ); // UpStream bits_write( &bits, 1, 0x01 ); // reserved bits_write( &bits, 24, 1024 * 1024 ); // bufferSizeDB bits_write( &bits, 32, 0x7fffffff ); // maxBitrate bits_write( &bits, 32, 0 ); // avgBitrate if( p_stream->i_decoder_specific_info > 0 ) { int i; // DecoderSpecificInfo bits_align( &bits ); bits_write( &bits, 8, 0x05 ); // tag bits_write( &bits, 24, GetDescriptorLength24b( p_stream->i_decoder_specific_info ) ); for( i = 0; i < p_stream->i_decoder_specific_info; i++ ) { bits_write( &bits, 8, ((uint8_t*)p_stream->p_decoder_specific_info)[i] ); } } /* fix Decoder length */ bits_write( &bits_fix_Decoder, 24, GetDescriptorLength24b( bits.i_data - bits_fix_Decoder.i_data - 3 ) ); /* SLConfigDescriptor : predifined (0x01) */ bits_align( &bits ); bits_write( &bits, 8, 0x06 ); // tag bits_write( &bits, 24, GetDescriptorLength24b( 8 ) ); bits_write( &bits, 8, 0x01 ); // predefined bits_write( &bits, 1, 0 ); // durationFlag bits_write( &bits, 32, 0 ); // OCRResolution bits_write( &bits, 8, 0 ); // OCRLength bits_write( &bits, 8, 0 ); // InstantBitrateLength bits_align( &bits ); /* fix ESDescr length */ bits_write( &bits_fix_ESDescr, 24, GetDescriptorLength24b( bits.i_data - bits_fix_ESDescr.i_data - 3 ) ); } } bits_align( &bits ); /* fix IOD length */ bits_write( &bits_fix_IOD, 24, GetDescriptorLength24b( bits.i_data - bits_fix_IOD.i_data - 3 ) ); dvbpsi_PMTAddDescriptor( &pmt, 0x1d, bits.i_data, bits.p_data ); } for( i_stream = 0; i_stream < p_mux->i_nb_inputs; i_stream++ ) { ts_stream_t *p_stream; p_stream = (ts_stream_t*)p_mux->pp_inputs[i_stream]->p_sys; p_es = dvbpsi_PMTAddES( &pmt, p_stream->i_stream_type, p_stream->i_pid ); if( p_stream->i_stream_id == 0xfa || p_stream->i_stream_id == 0xfb ) { uint8_t es_id[2]; /* SL descriptor */ es_id[0] = (p_stream->i_es_id >> 8)&0xff; es_id[1] = (p_stream->i_es_id)&0xff; dvbpsi_PMTESAddDescriptor( p_es, 0x1f, 2, es_id ); } else if( p_stream->i_stream_type == 0xa0 ) { uint8_t data[512]; int i_extra = __MIN( p_stream->i_decoder_specific_info, 502 ); /* private DIV3 descripor */ memcpy( &data[0], &p_stream->i_bih_codec, 4 ); data[4] = ( p_stream->i_bih_width >> 8 )&0xff; data[5] = ( p_stream->i_bih_width )&0xff; data[6] = ( p_stream->i_bih_height>> 8 )&0xff; data[7] = ( p_stream->i_bih_height )&0xff; data[8] = ( i_extra >> 8 )&0xff; data[9] = ( i_extra )&0xff; if( i_extra > 0 ) { memcpy( &data[10], p_stream->p_decoder_specific_info, i_extra ); } /* 0xa0 is private */ dvbpsi_PMTESAddDescriptor( p_es, 0xa0, i_extra + 10, data ); } else if( p_stream->i_stream_type == 0x81 ) { uint8_t format[4] = { 0x41, 0x43, 0x2d, 0x33 }; /* "registration" descriptor : "AC-3" */ dvbpsi_PMTESAddDescriptor( p_es, 0x05, 4, format ); } } p_section = dvbpsi_GenPMTSections( &pmt ); p_pmt = WritePSISection( p_mux->p_sout, p_section ); PEStoTS( p_mux->p_sout, c, p_pmt, &p_sys->pmt ); dvbpsi_DeletePSISections( p_section ); dvbpsi_EmptyPMT( &pmt ); } #endif