int OutOpenAvio(vlc_object_t *object) { sout_access_out_t *access = (sout_access_out_t*)object; config_ChainParse( access, "sout-avio-", ppsz_sout_options, access->p_cfg ); sout_access_out_sys_t *sys = malloc(sizeof(*sys)); if (!sys) return VLC_ENOMEM; sys->context = NULL; /* */ vlc_init_avformat(object); if (!access->psz_path) goto error; int ret; #if LIBAVFORMAT_VERSION_MAJOR < 54 ret = avio_open(&sys->context, access->psz_path, AVIO_FLAG_WRITE); #else AVDictionary *options = NULL; char *psz_opts = var_InheritString(access, "sout-avio-options"); if (psz_opts && *psz_opts) { options = vlc_av_get_options(psz_opts); free(psz_opts); } ret = avio_open2(&sys->context, access->psz_path, AVIO_FLAG_WRITE, NULL, &options); AVDictionaryEntry *t = NULL; while ((t = av_dict_get(options, "", t, AV_DICT_IGNORE_SUFFIX))) msg_Err( access, "unknown option \"%s\"", t->key ); av_dict_free(&options); #endif if (ret < 0) { errno = AVUNERROR(ret); msg_Err(access, "Failed to open %s", access->psz_path); goto error; } #if LIBAVFORMAT_VERSION_MAJOR < 54 /* We can accept only one active user at any time */ if (SetupAvioCb(VLC_OBJECT(access))) { msg_Err(access, "Module aready in use"); goto error; } #endif access->pf_write = Write; access->pf_control = OutControl; access->pf_seek = OutSeek; access->p_sys = sys; return VLC_SUCCESS; error: free(sys); return VLC_EGENERIC; }
/***************************************************************************** * Mux: multiplex available data in input fifos *****************************************************************************/ static int Mux( sout_mux_t *p_mux ) { sout_mux_sys_t *p_sys = p_mux->p_sys; if( p_sys->b_error ) return VLC_EGENERIC; if( p_sys->b_write_header ) { int error; msg_Dbg( p_mux, "writing header" ); char *psz_opts = var_GetNonEmptyString( p_mux, "sout-avformat-options" ); AVDictionary *options = NULL; if (psz_opts) { vlc_av_get_options(psz_opts, &options); free(psz_opts); } av_dict_set( &p_sys->oc->metadata, "encoding_tool", "VLC "VERSION, 0 ); error = avformat_write_header( p_sys->oc, options ? &options : NULL); AVDictionaryEntry *t = NULL; while ((t = av_dict_get(options, "", t, AV_DICT_IGNORE_SUFFIX))) { msg_Err( p_mux, "Unknown option \"%s\"", t->key ); } av_dict_free(&options); if( error < 0 ) { msg_Err( p_mux, "could not write header: %s", vlc_strerror_c(AVUNERROR(error)) ); p_sys->b_write_header = false; p_sys->b_error = true; return VLC_EGENERIC; } avio_flush( p_sys->oc->pb ); p_sys->b_write_header = false; } for( ;; ) { mtime_t i_dts; int i_stream = sout_MuxGetStream( p_mux, 1, &i_dts ); if( i_stream < 0 ) return VLC_SUCCESS; MuxBlock( p_mux, p_mux->pp_inputs[i_stream] ); } return VLC_SUCCESS; }
int OutOpenAvio(vlc_object_t *object) { sout_access_out_t *access = (sout_access_out_t*)object; config_ChainParse( access, "sout-avio-", ppsz_sout_options, access->p_cfg ); sout_access_out_sys_t *sys = vlc_obj_malloc(object, sizeof(*sys)); if (!sys) return VLC_ENOMEM; sys->context = NULL; /* */ vlc_init_avformat(object); if (!access->psz_path) return VLC_EGENERIC; int ret; AVDictionary *options = NULL; char *psz_opts = var_InheritString(access, "sout-avio-options"); if (psz_opts) { vlc_av_get_options(psz_opts, &options); free(psz_opts); } ret = avio_open2(&sys->context, access->psz_path, AVIO_FLAG_WRITE, NULL, &options); AVDictionaryEntry *t = NULL; while ((t = av_dict_get(options, "", t, AV_DICT_IGNORE_SUFFIX))) msg_Err( access, "unknown option \"%s\"", t->key ); av_dict_free(&options); if (ret < 0) { errno = AVUNERROR(ret); msg_Err(access, "Failed to open %s", access->psz_path); return VLC_EGENERIC; } access->pf_write = Write; access->pf_control = OutControl; access->pf_seek = OutSeek; access->p_sys = sys; return VLC_SUCCESS; }
int OpenAvio(vlc_object_t *object) { stream_t *access = (stream_t*)object; access_sys_t *sys = vlc_obj_malloc(object, sizeof(*sys)); if (!sys) return VLC_ENOMEM; sys->context = NULL; /* We accept: * - avio://full_url * - url (only a subset of available protocols). */ char *url; if (!strcmp(access->psz_name, "avio")) url = strdup(access->psz_location); else if (asprintf(&url, "%s://%s", access->psz_name, access->psz_location) < 0) url = NULL; if (!url) return VLC_ENOMEM; /* */ vlc_init_avformat(object); int ret; AVIOInterruptCB cb = { .callback = UrlInterruptCallback, .opaque = access, }; AVDictionary *options = NULL; char *psz_opts = var_InheritString(access, "avio-options"); if (psz_opts) { vlc_av_get_options(psz_opts, &options); free(psz_opts); } ret = avio_open2(&sys->context, url, AVIO_FLAG_READ, &cb, &options); AVDictionaryEntry *t = NULL; while ((t = av_dict_get(options, "", t, AV_DICT_IGNORE_SUFFIX))) msg_Err( access, "unknown option \"%s\"", t->key ); av_dict_free(&options); if (ret < 0) { msg_Err(access, "Failed to open %s: %s", url, vlc_strerror_c(AVUNERROR(ret))); free(url); return VLC_EGENERIC; } free(url); sys->size = avio_size(sys->context); bool seekable; seekable = sys->context->seekable; msg_Dbg(access, "%sseekable, size=%"PRIi64, seekable ? "" : "not ", sys->size); /* */ access->pf_read = Read; access->pf_block = NULL; access->pf_control = Control; access->pf_seek = Seek; access->p_sys = sys; return VLC_SUCCESS; }
/***************************************************************************** * ffmpeg_OpenCodec: *****************************************************************************/ int ffmpeg_OpenCodec( decoder_t *p_dec ) { decoder_sys_t *p_sys = p_dec->p_sys; if( p_sys->p_context->extradata_size <= 0 ) { if( p_sys->i_codec_id == AV_CODEC_ID_VC1 || p_sys->i_codec_id == AV_CODEC_ID_VORBIS || p_sys->i_codec_id == AV_CODEC_ID_THEORA || ( p_sys->i_codec_id == AV_CODEC_ID_AAC && !p_dec->fmt_in.b_packetized ) ) { msg_Warn( p_dec, "waiting for extra data for codec %s", p_sys->psz_namecodec ); return 1; } } if( p_dec->fmt_in.i_cat == VIDEO_ES ) { p_sys->p_context->width = p_dec->fmt_in.video.i_visible_width; p_sys->p_context->height = p_dec->fmt_in.video.i_visible_height; if (p_sys->p_context->width == 0) p_sys->p_context->width = p_dec->fmt_in.video.i_width; else if (p_sys->p_context->width != p_dec->fmt_in.video.i_width) p_sys->p_context->coded_width = p_dec->fmt_in.video.i_width; if (p_sys->p_context->height == 0) p_sys->p_context->height = p_dec->fmt_in.video.i_height; else if (p_sys->p_context->height != p_dec->fmt_in.video.i_height) p_sys->p_context->coded_height = p_dec->fmt_in.video.i_height; p_sys->p_context->bits_per_coded_sample = p_dec->fmt_in.video.i_bits_per_pixel; } else if( p_dec->fmt_in.i_cat == AUDIO_ES ) { p_sys->p_context->sample_rate = p_dec->fmt_in.audio.i_rate; p_sys->p_context->channels = p_dec->fmt_in.audio.i_channels; p_sys->p_context->block_align = p_dec->fmt_in.audio.i_blockalign; p_sys->p_context->bit_rate = p_dec->fmt_in.i_bitrate; p_sys->p_context->bits_per_coded_sample = p_dec->fmt_in.audio.i_bitspersample; if( p_sys->i_codec_id == AV_CODEC_ID_ADPCM_G726 && p_sys->p_context->bit_rate > 0 && p_sys->p_context->sample_rate > 0) p_sys->p_context->bits_per_coded_sample = p_sys->p_context->bit_rate / p_sys->p_context->sample_rate; } int ret; char *psz_opts = var_InheritString( p_dec, "avcodec-options" ); AVDictionary *options = NULL; if (psz_opts && *psz_opts) options = vlc_av_get_options(psz_opts); free(psz_opts); vlc_avcodec_lock(); ret = avcodec_open2( p_sys->p_context, p_sys->p_codec, options ? &options : NULL ); vlc_avcodec_unlock(); AVDictionaryEntry *t = NULL; while ((t = av_dict_get(options, "", t, AV_DICT_IGNORE_SUFFIX))) { msg_Err( p_dec, "Unknown option \"%s\"", t->key ); } av_dict_free(&options); if( ret < 0 ) return VLC_EGENERIC; msg_Dbg( p_dec, "avcodec codec (%s) started", p_sys->psz_namecodec ); #ifdef HAVE_AVCODEC_MT if( p_dec->fmt_in.i_cat == VIDEO_ES ) { switch( p_sys->p_context->active_thread_type ) { case FF_THREAD_FRAME: msg_Dbg( p_dec, "using frame thread mode with %d threads", p_sys->p_context->thread_count ); break; case FF_THREAD_SLICE: msg_Dbg( p_dec, "using slice thread mode with %d threads", p_sys->p_context->thread_count ); break; case 0: if( p_sys->p_context->thread_count > 1 ) msg_Warn( p_dec, "failed to enable threaded decoding" ); break; default: msg_Warn( p_dec, "using unknown thread mode with %d threads", p_sys->p_context->thread_count ); break; } } #endif p_sys->b_delayed_open = false; return VLC_SUCCESS; }
int avformat_OpenDemux( vlc_object_t *p_this ) { demux_t *p_demux = (demux_t*)p_this; demux_sys_t *p_sys; AVInputFormat *fmt = NULL; vlc_tick_t i_start_time = VLC_TICK_INVALID; bool b_can_seek; const char *psz_url; int error; if( p_demux->psz_filepath ) psz_url = p_demux->psz_filepath; else psz_url = p_demux->psz_url; if( avformat_ProbeDemux( p_this, &fmt, psz_url ) != VLC_SUCCESS ) return VLC_EGENERIC; vlc_stream_Control( p_demux->s, STREAM_CAN_SEEK, &b_can_seek ); /* Fill p_demux fields */ p_demux->pf_demux = Demux; p_demux->pf_control = Control; p_demux->p_sys = p_sys = malloc( sizeof( demux_sys_t ) ); if( !p_sys ) return VLC_ENOMEM; p_sys->ic = 0; p_sys->fmt = fmt; p_sys->tracks = NULL; p_sys->i_ssa_order = 0; TAB_INIT( p_sys->i_attachments, p_sys->attachments); p_sys->p_title = NULL; p_sys->i_seekpoint = 0; p_sys->i_update = 0; /* Create I/O wrapper */ unsigned char * p_io_buffer = av_malloc( AVFORMAT_IOBUFFER_SIZE ); if( !p_io_buffer ) { avformat_CloseDemux( p_this ); return VLC_ENOMEM; } p_sys->ic = avformat_alloc_context(); if( !p_sys->ic ) { av_free( p_io_buffer ); avformat_CloseDemux( p_this ); return VLC_ENOMEM; } AVIOContext *pb = p_sys->ic->pb = avio_alloc_context( p_io_buffer, AVFORMAT_IOBUFFER_SIZE, 0, p_demux, IORead, NULL, IOSeek ); if( !pb ) { av_free( p_io_buffer ); avformat_CloseDemux( p_this ); return VLC_ENOMEM; } p_sys->ic->pb->seekable = b_can_seek ? AVIO_SEEKABLE_NORMAL : 0; error = avformat_open_input(&p_sys->ic, psz_url, p_sys->fmt, NULL); if( error < 0 ) { msg_Err( p_demux, "Could not open %s: %s", psz_url, vlc_strerror_c(AVUNERROR(error)) ); av_free( pb->buffer ); av_free( pb ); p_sys->ic = NULL; avformat_CloseDemux( p_this ); return VLC_EGENERIC; } char *psz_opts = var_InheritString( p_demux, "avformat-options" ); unsigned nb_streams = p_sys->ic->nb_streams; AVDictionary *options[nb_streams ? nb_streams : 1]; options[0] = NULL; for (unsigned i = 1; i < nb_streams; i++) options[i] = NULL; if (psz_opts) { vlc_av_get_options(psz_opts, &options[0]); for (unsigned i = 1; i < nb_streams; i++) { av_dict_copy(&options[i], options[0], 0); } free(psz_opts); } vlc_avcodec_lock(); /* avformat calls avcodec behind our back!!! */ error = avformat_find_stream_info( p_sys->ic, options ); vlc_avcodec_unlock(); AVDictionaryEntry *t = NULL; while ((t = av_dict_get(options[0], "", t, AV_DICT_IGNORE_SUFFIX))) { msg_Err( p_demux, "Unknown option \"%s\"", t->key ); } av_dict_free(&options[0]); for (unsigned i = 1; i < nb_streams; i++) { av_dict_free(&options[i]); } nb_streams = p_sys->ic->nb_streams; /* it may have changed */ if( !nb_streams ) { msg_Err( p_demux, "No streams found"); avformat_CloseDemux( p_this ); return VLC_EGENERIC; } p_sys->tracks = calloc( nb_streams, sizeof(*p_sys->tracks) ); if( !p_sys->tracks ) { avformat_CloseDemux( p_this ); return VLC_ENOMEM; } p_sys->i_tracks = nb_streams; if( error < 0 ) { msg_Warn( p_demux, "Could not find stream info: %s", vlc_strerror_c(AVUNERROR(error)) ); } for( unsigned i = 0; i < nb_streams; i++ ) { struct avformat_track_s *p_track = &p_sys->tracks[i]; AVStream *s = p_sys->ic->streams[i]; const AVCodecParameters *cp = s->codecpar; es_format_t es_fmt; const char *psz_type = "unknown"; /* Do not use the cover art as a stream */ if( s->disposition == AV_DISPOSITION_ATTACHED_PIC ) continue; vlc_fourcc_t fcc = GetVlcFourcc( cp->codec_id ); switch( cp->codec_type ) { case AVMEDIA_TYPE_AUDIO: es_format_Init( &es_fmt, AUDIO_ES, fcc ); es_fmt.i_original_fourcc = CodecTagToFourcc( cp->codec_tag ); es_fmt.i_bitrate = cp->bit_rate; es_fmt.audio.i_channels = cp->channels; es_fmt.audio.i_rate = cp->sample_rate; es_fmt.audio.i_bitspersample = cp->bits_per_coded_sample; es_fmt.audio.i_blockalign = cp->block_align; psz_type = "audio"; if(cp->codec_id == AV_CODEC_ID_AAC_LATM) { es_fmt.i_original_fourcc = VLC_FOURCC('L','A','T','M'); es_fmt.b_packetized = false; } else if(cp->codec_id == AV_CODEC_ID_AAC && p_sys->fmt->long_name && strstr(p_sys->fmt->long_name, "raw ADTS AAC")) { es_fmt.i_original_fourcc = VLC_FOURCC('A','D','T','S'); es_fmt.b_packetized = false; } break; case AVMEDIA_TYPE_VIDEO: es_format_Init( &es_fmt, VIDEO_ES, fcc ); es_fmt.i_original_fourcc = CodecTagToFourcc( cp->codec_tag ); es_fmt.video.i_bits_per_pixel = cp->bits_per_coded_sample; /* Special case for raw video data */ if( cp->codec_id == AV_CODEC_ID_RAWVIDEO ) { msg_Dbg( p_demux, "raw video, pixel format: %i", cp->format ); if( GetVlcChroma( &es_fmt.video, cp->format ) != VLC_SUCCESS) { msg_Err( p_demux, "was unable to find a FourCC match for raw video" ); } else es_fmt.i_codec = es_fmt.video.i_chroma; } /* We need this for the h264 packetizer */ else if( cp->codec_id == AV_CODEC_ID_H264 && ( p_sys->fmt == av_find_input_format("flv") || p_sys->fmt == av_find_input_format("matroska") || p_sys->fmt == av_find_input_format("mp4") ) ) es_fmt.i_original_fourcc = VLC_FOURCC( 'a', 'v', 'c', '1' ); es_fmt.video.i_width = cp->width; es_fmt.video.i_height = cp->height; es_fmt.video.i_visible_width = es_fmt.video.i_width; es_fmt.video.i_visible_height = es_fmt.video.i_height; get_rotation(&es_fmt, s); # warning FIXME: implement palette transmission psz_type = "video"; AVRational rate; #if (LIBAVUTIL_VERSION_MICRO < 100) /* libav */ # if (LIBAVFORMAT_VERSION_INT >= AV_VERSION_INT(55, 20, 0)) rate.num = s->time_base.num; rate.den = s->time_base.den; # else rate.num = s->codec->time_base.num; rate.den = s->codec->time_base.den; # endif rate.den *= __MAX( s->codec->ticks_per_frame, 1 ); #else /* ffmpeg */ rate = av_guess_frame_rate( p_sys->ic, s, NULL ); #endif if( rate.den && rate.num ) { es_fmt.video.i_frame_rate = rate.num; es_fmt.video.i_frame_rate_base = rate.den; } AVRational ar; #if (LIBAVUTIL_VERSION_MICRO < 100) /* libav */ ar.num = s->sample_aspect_ratio.num; ar.den = s->sample_aspect_ratio.den; #else ar = av_guess_sample_aspect_ratio( p_sys->ic, s, NULL ); #endif if( ar.num && ar.den ) { es_fmt.video.i_sar_den = ar.den; es_fmt.video.i_sar_num = ar.num; } break; case AVMEDIA_TYPE_SUBTITLE: es_format_Init( &es_fmt, SPU_ES, fcc ); es_fmt.i_original_fourcc = CodecTagToFourcc( cp->codec_tag ); if( strncmp( p_sys->ic->iformat->name, "matroska", 8 ) == 0 && cp->codec_id == AV_CODEC_ID_DVD_SUBTITLE && cp->extradata != NULL && cp->extradata_size > 0 ) { char *psz_start; char *psz_buf = malloc( cp->extradata_size + 1); if( psz_buf != NULL ) { memcpy( psz_buf, cp->extradata , cp->extradata_size ); psz_buf[cp->extradata_size] = '\0'; psz_start = strstr( psz_buf, "size:" ); if( psz_start && vobsub_size_parse( psz_start, &es_fmt.subs.spu.i_original_frame_width, &es_fmt.subs.spu.i_original_frame_height ) == VLC_SUCCESS ) { msg_Dbg( p_demux, "original frame size: %dx%d", es_fmt.subs.spu.i_original_frame_width, es_fmt.subs.spu.i_original_frame_height ); } else { msg_Warn( p_demux, "reading original frame size failed" ); } psz_start = strstr( psz_buf, "palette:" ); if( psz_start && vobsub_palette_parse( psz_start, &es_fmt.subs.spu.palette[1] ) == VLC_SUCCESS ) { es_fmt.subs.spu.palette[0] = SPU_PALETTE_DEFINED; msg_Dbg( p_demux, "vobsub palette read" ); } else { msg_Warn( p_demux, "reading original palette failed" ); } free( psz_buf ); } } else if( cp->codec_id == AV_CODEC_ID_DVB_SUBTITLE && cp->extradata_size > 3 ) { es_fmt.subs.dvb.i_id = GetWBE( cp->extradata ) | (GetWBE( cp->extradata + 2 ) << 16); } else if( cp->codec_id == AV_CODEC_ID_MOV_TEXT ) { if( cp->extradata_size && (es_fmt.p_extra = malloc(cp->extradata_size)) ) { memcpy( es_fmt.p_extra, cp->extradata, cp->extradata_size ); es_fmt.i_extra = cp->extradata_size; } } psz_type = "subtitle"; break; default: es_format_Init( &es_fmt, UNKNOWN_ES, 0 ); es_fmt.i_original_fourcc = CodecTagToFourcc( cp->codec_tag ); #ifdef HAVE_AVUTIL_CODEC_ATTACHMENT if( cp->codec_type == AVMEDIA_TYPE_ATTACHMENT ) { input_attachment_t *p_attachment; psz_type = "attachment"; if( cp->codec_id == AV_CODEC_ID_TTF ) { AVDictionaryEntry *filename = av_dict_get( s->metadata, "filename", NULL, 0 ); if( filename && filename->value ) { p_attachment = vlc_input_attachment_New( filename->value, "application/x-truetype-font", NULL, cp->extradata, (int)cp->extradata_size ); if( p_attachment ) TAB_APPEND( p_sys->i_attachments, p_sys->attachments, p_attachment ); } } else msg_Warn( p_demux, "unsupported attachment type (%u) in avformat demux", cp->codec_id ); } else #endif { if( cp->codec_type == AVMEDIA_TYPE_DATA ) psz_type = "data"; msg_Warn( p_demux, "unsupported track type (%u:%u) in avformat demux", cp->codec_type, cp->codec_id ); } break; } AVDictionaryEntry *language = av_dict_get( s->metadata, "language", NULL, 0 ); if ( language && language->value ) es_fmt.psz_language = strdup( language->value ); if( s->disposition & AV_DISPOSITION_DEFAULT ) es_fmt.i_priority = ES_PRIORITY_SELECTABLE_MIN + 1000; #ifdef HAVE_AVUTIL_CODEC_ATTACHMENT if( cp->codec_type != AVMEDIA_TYPE_ATTACHMENT ) #endif if( cp->codec_type != AVMEDIA_TYPE_DATA ) { const bool b_ogg = !strcmp( p_sys->fmt->name, "ogg" ); const uint8_t *p_extra = cp->extradata; unsigned i_extra = cp->extradata_size; if( cp->codec_id == AV_CODEC_ID_THEORA && b_ogg ) { unsigned pi_size[3]; const void *pp_data[3]; unsigned i_count; for( i_count = 0; i_count < 3; i_count++ ) { if( i_extra < 2 ) break; pi_size[i_count] = GetWBE( p_extra ); pp_data[i_count] = &p_extra[2]; if( i_extra < pi_size[i_count] + 2 ) break; p_extra += 2 + pi_size[i_count]; i_extra -= 2 + pi_size[i_count]; } if( i_count > 0 && xiph_PackHeaders( &es_fmt.i_extra, &es_fmt.p_extra, pi_size, pp_data, i_count ) ) { es_fmt.i_extra = 0; es_fmt.p_extra = NULL; } } else if( cp->codec_id == AV_CODEC_ID_SPEEX && b_ogg ) { const uint8_t p_dummy_comment[] = { 0, 0, 0, 0, 0, 0, 0, 0, }; unsigned pi_size[2]; const void *pp_data[2]; pi_size[0] = i_extra; pp_data[0] = p_extra; pi_size[1] = sizeof(p_dummy_comment); pp_data[1] = p_dummy_comment; if( pi_size[0] > 0 && xiph_PackHeaders( &es_fmt.i_extra, &es_fmt.p_extra, pi_size, pp_data, 2 ) ) { es_fmt.i_extra = 0; es_fmt.p_extra = NULL; } } else if( cp->codec_id == AV_CODEC_ID_OPUS ) { const uint8_t p_dummy_comment[] = { 'O', 'p', 'u', 's', 'T', 'a', 'g', 's', 0, 0, 0, 0, /* Vendor String length */ /* Vendor String */ 0, 0, 0, 0, /* User Comment List Length */ }; unsigned pi_size[2]; const void *pp_data[2]; pi_size[0] = i_extra; pp_data[0] = p_extra; pi_size[1] = sizeof(p_dummy_comment); pp_data[1] = p_dummy_comment; if( pi_size[0] > 0 && xiph_PackHeaders( &es_fmt.i_extra, &es_fmt.p_extra, pi_size, pp_data, 2 ) ) { es_fmt.i_extra = 0; es_fmt.p_extra = NULL; } } else if( cp->extradata_size > 0 && !es_fmt.i_extra ) { es_fmt.p_extra = malloc( i_extra ); if( es_fmt.p_extra ) { es_fmt.i_extra = i_extra; memcpy( es_fmt.p_extra, p_extra, i_extra ); } } p_track->p_es = es_out_Add( p_demux->out, &es_fmt ); if( p_track->p_es && (s->disposition & AV_DISPOSITION_DEFAULT) ) es_out_Control( p_demux->out, ES_OUT_SET_ES_DEFAULT, p_track->p_es ); msg_Dbg( p_demux, "adding es: %s codec = %4.4s (%d)", psz_type, (char*)&fcc, cp->codec_id ); } es_format_Clean( &es_fmt ); } if( p_sys->ic->start_time != (int64_t)AV_NOPTS_VALUE ) i_start_time = FROM_AV_TS(p_sys->ic->start_time); msg_Dbg( p_demux, "AVFormat(%s %s) supported stream", AVPROVIDER(LIBAVFORMAT), LIBAVFORMAT_IDENT ); msg_Dbg( p_demux, " - format = %s (%s)", p_sys->fmt->name, p_sys->fmt->long_name ); msg_Dbg( p_demux, " - start time = %"PRId64, i_start_time ); msg_Dbg( p_demux, " - duration = %"PRId64, ( p_sys->ic->duration != (int64_t)AV_NOPTS_VALUE ) ? FROM_AV_TS(p_sys->ic->duration) : -1 ); if( p_sys->ic->nb_chapters > 0 ) { p_sys->p_title = vlc_input_title_New(); p_sys->p_title->i_length = FROM_AV_TS(p_sys->ic->duration); } for( unsigned i = 0; i < p_sys->ic->nb_chapters; i++ ) { seekpoint_t *s = vlc_seekpoint_New(); AVDictionaryEntry *title = av_dict_get( p_sys->ic->metadata, "title", NULL, 0); if( title && title->value ) { s->psz_name = strdup( title->value ); EnsureUTF8( s->psz_name ); msg_Dbg( p_demux, " - chapter %d: %s", i, s->psz_name ); } s->i_time_offset = vlc_tick_from_samples( p_sys->ic->chapters[i]->start * p_sys->ic->chapters[i]->time_base.num, p_sys->ic->chapters[i]->time_base.den ) - (i_start_time != VLC_TICK_INVALID ? i_start_time : 0 ); TAB_APPEND( p_sys->p_title->i_seekpoint, p_sys->p_title->seekpoint, s ); } ResetTime( p_demux, 0 ); return VLC_SUCCESS; }
int OpenAvio(vlc_object_t *object) { access_t *access = (access_t*)object; access_sys_t *sys = malloc(sizeof(*sys)); if (!sys) return VLC_ENOMEM; sys->context = NULL; /* We accept: * - avio://full_url * - url (only a subset of available protocols). */ char *url; if (!strcmp(access->psz_access, "avio")) url = strdup(access->psz_location); else if (asprintf(&url, "%s://%s", access->psz_access, access->psz_location) < 0) url = NULL; if (!url) { free(sys); return VLC_ENOMEM; } /* */ vlc_init_avformat(object); int ret; #if LIBAVFORMAT_VERSION_MAJOR < 54 ret = avio_open(&sys->context, url, AVIO_FLAG_READ); #else AVIOInterruptCB cb = { .callback = UrlInterruptCallback, .opaque = access, }; AVDictionary *options = NULL; char *psz_opts = var_InheritString(access, "avio-options"); if (psz_opts && *psz_opts) { options = vlc_av_get_options(psz_opts); free(psz_opts); } ret = avio_open2(&sys->context, url, AVIO_FLAG_READ, &cb, &options); AVDictionaryEntry *t = NULL; while ((t = av_dict_get(options, "", t, AV_DICT_IGNORE_SUFFIX))) msg_Err( access, "unknown option \"%s\"", t->key ); av_dict_free(&options); #endif if (ret < 0) { errno = AVUNERROR(ret); msg_Err(access, "Failed to open %s: %m", url); free(url); goto error; } free(url); #if LIBAVFORMAT_VERSION_MAJOR < 54 /* We can accept only one active user at any time */ if (SetupAvioCb(VLC_OBJECT(access))) { msg_Err(access, "Module aready in use"); avio_close(sys->context); goto error; } #endif int64_t size = avio_size(sys->context); bool seekable; #if LIBAVFORMAT_VERSION_MAJOR < 54 seekable = !sys->context->is_streamed; #else seekable = sys->context->seekable; #endif msg_Dbg(access, "%sseekable, size=%"PRIi64, seekable ? "" : "not ", size); sys->size = size > 0 ? size : 0; /* */ access_InitFields(access); access->pf_read = Read; access->pf_block = NULL; access->pf_control = Control; access->pf_seek = Seek; access->p_sys = sys; return VLC_SUCCESS; error: free(sys); return VLC_EGENERIC; }
int OpenDemux( vlc_object_t *p_this ) { demux_t *p_demux = (demux_t*)p_this; demux_sys_t *p_sys; AVProbeData pd = { }; AVInputFormat *fmt = NULL; int64_t i_start_time = -1; bool b_can_seek; char *psz_url; const uint8_t *peek; int error; /* Init Probe data */ pd.buf_size = vlc_stream_Peek( p_demux->s, &peek, 2048 + 213 ); if( pd.buf_size <= 0 ) { msg_Warn( p_demux, "cannot peek" ); return VLC_EGENERIC; } pd.buf = malloc( pd.buf_size + AVPROBE_PADDING_SIZE ); if( unlikely(pd.buf == NULL) ) return VLC_ENOMEM; memcpy( pd.buf, peek, pd.buf_size ); memset( pd.buf + pd.buf_size, 0, AVPROBE_PADDING_SIZE ); if( p_demux->psz_file ) psz_url = strdup( p_demux->psz_file ); else { if( asprintf( &psz_url, "%s://%s", p_demux->psz_access, p_demux->psz_location ) == -1) psz_url = NULL; } if( psz_url != NULL ) msg_Dbg( p_demux, "trying url: %s", psz_url ); pd.filename = psz_url; vlc_stream_Control( p_demux->s, STREAM_CAN_SEEK, &b_can_seek ); vlc_init_avformat(p_this); /* Guess format */ char *psz_format = var_InheritString( p_this, "avformat-format" ); if( psz_format ) { if( (fmt = av_find_input_format(psz_format)) ) msg_Dbg( p_demux, "forcing format: %s", fmt->name ); free( psz_format ); } if( fmt == NULL ) fmt = av_probe_input_format( &pd, 1 ); free( pd.buf ); if( fmt == NULL ) { msg_Dbg( p_demux, "couldn't guess format" ); free( psz_url ); return VLC_EGENERIC; } if( !p_demux->obj.force ) { static const char ppsz_blacklist[][16] = { /* Don't handle MPEG unless forced */ "mpeg", "vcd", "vob", "mpegts", /* libavformat's redirector won't work */ "redir", "sdp", /* Don't handle subtitles format */ "ass", "srt", "microdvd", /* No timestamps at all */ "hevc", "h264", "" }; for( int i = 0; *ppsz_blacklist[i]; i++ ) { if( !strcmp( fmt->name, ppsz_blacklist[i] ) ) { free( psz_url ); return VLC_EGENERIC; } } } /* Don't trigger false alarms on bin files */ if( !p_demux->obj.force && !strcmp( fmt->name, "psxstr" ) ) { int i_len; if( !p_demux->psz_file ) { free( psz_url ); return VLC_EGENERIC; } i_len = strlen( p_demux->psz_file ); if( i_len < 4 ) { free( psz_url ); return VLC_EGENERIC; } if( strcasecmp( &p_demux->psz_file[i_len - 4], ".str" ) && strcasecmp( &p_demux->psz_file[i_len - 4], ".xai" ) && strcasecmp( &p_demux->psz_file[i_len - 3], ".xa" ) ) { free( psz_url ); return VLC_EGENERIC; } } msg_Dbg( p_demux, "detected format: %s", fmt->name ); /* Fill p_demux fields */ p_demux->pf_demux = Demux; p_demux->pf_control = Control; p_demux->p_sys = p_sys = xmalloc( sizeof( demux_sys_t ) ); p_sys->ic = 0; p_sys->fmt = fmt; p_sys->i_tk = 0; p_sys->tk = NULL; p_sys->tk_pcr = NULL; p_sys->i_ssa_order = 0; TAB_INIT( p_sys->i_attachments, p_sys->attachments); p_sys->p_title = NULL; /* Create I/O wrapper */ unsigned char * p_io_buffer = av_malloc( AVFORMAT_IOBUFFER_SIZE ); if( !p_io_buffer ) { free( psz_url ); CloseDemux( p_this ); return VLC_ENOMEM; } p_sys->ic = avformat_alloc_context(); if( !p_sys->ic ) { av_free( p_io_buffer ); free( psz_url ); CloseDemux( p_this ); return VLC_ENOMEM; } AVIOContext *pb = p_sys->ic->pb = avio_alloc_context( p_io_buffer, AVFORMAT_IOBUFFER_SIZE, 0, p_demux, IORead, NULL, IOSeek ); if( !pb ) { av_free( p_io_buffer ); free( psz_url ); CloseDemux( p_this ); return VLC_ENOMEM; } p_sys->ic->pb->seekable = b_can_seek ? AVIO_SEEKABLE_NORMAL : 0; error = avformat_open_input(&p_sys->ic, psz_url, p_sys->fmt, NULL); if( error < 0 ) { msg_Err( p_demux, "Could not open %s: %s", psz_url, vlc_strerror_c(AVUNERROR(error)) ); av_free( p_io_buffer ); av_free( pb ); p_sys->ic = NULL; free( psz_url ); CloseDemux( p_this ); return VLC_EGENERIC; } free( psz_url ); char *psz_opts = var_InheritString( p_demux, "avformat-options" ); AVDictionary *options[p_sys->ic->nb_streams ? p_sys->ic->nb_streams : 1]; options[0] = NULL; unsigned int nb_streams = p_sys->ic->nb_streams; for (unsigned i = 1; i < nb_streams; i++) options[i] = NULL; if (psz_opts) { vlc_av_get_options(psz_opts, &options[0]); for (unsigned i = 1; i < nb_streams; i++) { av_dict_copy(&options[i], options[0], 0); } free(psz_opts); } vlc_avcodec_lock(); /* avformat calls avcodec behind our back!!! */ error = avformat_find_stream_info( p_sys->ic, options ); /* FIXME: what if nb_streams change after that call? */ vlc_avcodec_unlock(); AVDictionaryEntry *t = NULL; while ((t = av_dict_get(options[0], "", t, AV_DICT_IGNORE_SUFFIX))) { msg_Err( p_demux, "Unknown option \"%s\"", t->key ); } av_dict_free(&options[0]); for (unsigned i = 1; i < nb_streams; i++) { av_dict_free(&options[i]); } if( error < 0 ) { msg_Warn( p_demux, "Could not find stream info: %s", vlc_strerror_c(AVUNERROR(error)) ); } for( unsigned i = 0; i < p_sys->ic->nb_streams; i++ ) { AVStream *s = p_sys->ic->streams[i]; const AVCodecParameters *cp = s->codecpar; es_out_id_t *es = NULL; es_format_t es_fmt; const char *psz_type = "unknown"; /* Do not use the cover art as a stream */ if( s->disposition == AV_DISPOSITION_ATTACHED_PIC ) { TAB_APPEND( p_sys->i_tk, p_sys->tk, NULL ); continue; } vlc_fourcc_t fcc = GetVlcFourcc( cp->codec_id ); switch( cp->codec_type ) { case AVMEDIA_TYPE_AUDIO: es_format_Init( &es_fmt, AUDIO_ES, fcc ); es_fmt.i_original_fourcc = CodecTagToFourcc( cp->codec_tag ); es_fmt.i_bitrate = cp->bit_rate; es_fmt.audio.i_channels = cp->channels; es_fmt.audio.i_rate = cp->sample_rate; es_fmt.audio.i_bitspersample = cp->bits_per_coded_sample; es_fmt.audio.i_blockalign = cp->block_align; psz_type = "audio"; if(cp->codec_id == AV_CODEC_ID_AAC_LATM) { es_fmt.i_original_fourcc = VLC_FOURCC('L','A','T','M'); es_fmt.b_packetized = false; } else if(cp->codec_id == AV_CODEC_ID_AAC && strstr(p_sys->fmt->long_name, "raw ADTS AAC")) { es_fmt.i_original_fourcc = VLC_FOURCC('A','D','T','S'); es_fmt.b_packetized = false; } break; case AVMEDIA_TYPE_VIDEO: es_format_Init( &es_fmt, VIDEO_ES, fcc ); es_fmt.i_original_fourcc = CodecTagToFourcc( cp->codec_tag ); es_fmt.video.i_bits_per_pixel = cp->bits_per_coded_sample; /* Special case for raw video data */ if( cp->codec_id == AV_CODEC_ID_RAWVIDEO ) { msg_Dbg( p_demux, "raw video, pixel format: %i", cp->format ); if( GetVlcChroma( &es_fmt.video, cp->format ) != VLC_SUCCESS) { msg_Err( p_demux, "was unable to find a FourCC match for raw video" ); } else es_fmt.i_codec = es_fmt.video.i_chroma; } /* We need this for the h264 packetizer */ else if( cp->codec_id == AV_CODEC_ID_H264 && ( p_sys->fmt == av_find_input_format("flv") || p_sys->fmt == av_find_input_format("matroska") || p_sys->fmt == av_find_input_format("mp4") ) ) es_fmt.i_original_fourcc = VLC_FOURCC( 'a', 'v', 'c', '1' ); es_fmt.video.i_width = cp->width; es_fmt.video.i_height = cp->height; es_fmt.video.i_visible_width = es_fmt.video.i_width; es_fmt.video.i_visible_height = es_fmt.video.i_height; get_rotation(&es_fmt, s); # warning FIXME: implement palette transmission psz_type = "video"; es_fmt.video.i_frame_rate = s->codec->time_base.num; es_fmt.video.i_frame_rate_base = s->codec->time_base.den * __MAX( s->codec->ticks_per_frame, 1 ); es_fmt.video.i_sar_num = s->sample_aspect_ratio.num; if (s->sample_aspect_ratio.num > 0) es_fmt.video.i_sar_den = s->sample_aspect_ratio.den; else es_fmt.video.i_sar_den = 0; break; case AVMEDIA_TYPE_SUBTITLE: es_format_Init( &es_fmt, SPU_ES, fcc ); es_fmt.i_original_fourcc = CodecTagToFourcc( cp->codec_tag ); if( strncmp( p_sys->ic->iformat->name, "matroska", 8 ) == 0 && cp->codec_id == AV_CODEC_ID_DVD_SUBTITLE && cp->extradata != NULL && cp->extradata_size > 0 ) { char *psz_start; char *psz_buf = malloc( cp->extradata_size + 1); if( psz_buf != NULL ) { memcpy( psz_buf, cp->extradata , cp->extradata_size ); psz_buf[cp->extradata_size] = '\0'; psz_start = strstr( psz_buf, "size:" ); if( psz_start && vobsub_size_parse( psz_start, &es_fmt.subs.spu.i_original_frame_width, &es_fmt.subs.spu.i_original_frame_height ) == VLC_SUCCESS ) { msg_Dbg( p_demux, "original frame size: %dx%d", es_fmt.subs.spu.i_original_frame_width, es_fmt.subs.spu.i_original_frame_height ); } else { msg_Warn( p_demux, "reading original frame size failed" ); } psz_start = strstr( psz_buf, "palette:" ); if( psz_start && vobsub_palette_parse( psz_start, &es_fmt.subs.spu.palette[1] ) == VLC_SUCCESS ) { es_fmt.subs.spu.palette[0] = SPU_PALETTE_DEFINED; msg_Dbg( p_demux, "vobsub palette read" ); } else { msg_Warn( p_demux, "reading original palette failed" ); } free( psz_buf ); } } psz_type = "subtitle"; break; default: es_format_Init( &es_fmt, UNKNOWN_ES, 0 ); es_fmt.i_original_fourcc = CodecTagToFourcc( cp->codec_tag ); #ifdef HAVE_AVUTIL_CODEC_ATTACHMENT if( cp->codec_type == AVMEDIA_TYPE_ATTACHMENT ) { input_attachment_t *p_attachment; psz_type = "attachment"; if( cp->codec_id == AV_CODEC_ID_TTF ) { AVDictionaryEntry *filename = av_dict_get( s->metadata, "filename", NULL, 0 ); if( filename && filename->value ) { p_attachment = vlc_input_attachment_New( filename->value, "application/x-truetype-font", NULL, cp->extradata, (int)cp->extradata_size ); if( p_attachment ) TAB_APPEND( p_sys->i_attachments, p_sys->attachments, p_attachment ); } } else msg_Warn( p_demux, "unsupported attachment type (%u) in avformat demux", cp->codec_id ); } else #endif { if( cp->codec_type == AVMEDIA_TYPE_DATA ) psz_type = "data"; msg_Warn( p_demux, "unsupported track type (%u:%u) in avformat demux", cp->codec_type, cp->codec_id ); } break; } AVDictionaryEntry *language = av_dict_get( s->metadata, "language", NULL, 0 ); if ( language && language->value ) es_fmt.psz_language = strdup( language->value ); if( s->disposition & AV_DISPOSITION_DEFAULT ) es_fmt.i_priority = ES_PRIORITY_SELECTABLE_MIN + 1000; #ifdef HAVE_AVUTIL_CODEC_ATTACHMENT if( cp->codec_type != AVMEDIA_TYPE_ATTACHMENT ) #endif if( cp->codec_type != AVMEDIA_TYPE_DATA ) { const bool b_ogg = !strcmp( p_sys->fmt->name, "ogg" ); const uint8_t *p_extra = cp->extradata; unsigned i_extra = cp->extradata_size; if( cp->codec_id == AV_CODEC_ID_THEORA && b_ogg ) { unsigned pi_size[3]; const void *pp_data[3]; unsigned i_count; for( i_count = 0; i_count < 3; i_count++ ) { if( i_extra < 2 ) break; pi_size[i_count] = GetWBE( p_extra ); pp_data[i_count] = &p_extra[2]; if( i_extra < pi_size[i_count] + 2 ) break; p_extra += 2 + pi_size[i_count]; i_extra -= 2 + pi_size[i_count]; } if( i_count > 0 && xiph_PackHeaders( &es_fmt.i_extra, &es_fmt.p_extra, pi_size, pp_data, i_count ) ) { es_fmt.i_extra = 0; es_fmt.p_extra = NULL; } } else if( cp->codec_id == AV_CODEC_ID_SPEEX && b_ogg ) { const uint8_t p_dummy_comment[] = { 0, 0, 0, 0, 0, 0, 0, 0, }; unsigned pi_size[2]; const void *pp_data[2]; pi_size[0] = i_extra; pp_data[0] = p_extra; pi_size[1] = sizeof(p_dummy_comment); pp_data[1] = p_dummy_comment; if( pi_size[0] > 0 && xiph_PackHeaders( &es_fmt.i_extra, &es_fmt.p_extra, pi_size, pp_data, 2 ) ) { es_fmt.i_extra = 0; es_fmt.p_extra = NULL; } } else if( cp->codec_id == AV_CODEC_ID_OPUS ) { const uint8_t p_dummy_comment[] = { 'O', 'p', 'u', 's', 'T', 'a', 'g', 's', 0, 0, 0, 0, /* Vendor String length */ /* Vendor String */ 0, 0, 0, 0, /* User Comment List Length */ }; unsigned pi_size[2]; const void *pp_data[2]; pi_size[0] = i_extra; pp_data[0] = p_extra; pi_size[1] = sizeof(p_dummy_comment); pp_data[1] = p_dummy_comment; if( pi_size[0] > 0 && xiph_PackHeaders( &es_fmt.i_extra, &es_fmt.p_extra, pi_size, pp_data, 2 ) ) { es_fmt.i_extra = 0; es_fmt.p_extra = NULL; } } else if( cp->extradata_size > 0 ) { es_fmt.p_extra = malloc( i_extra ); if( es_fmt.p_extra ) { es_fmt.i_extra = i_extra; memcpy( es_fmt.p_extra, p_extra, i_extra ); } } es = es_out_Add( p_demux->out, &es_fmt ); if( s->disposition & AV_DISPOSITION_DEFAULT ) es_out_Control( p_demux->out, ES_OUT_SET_ES_DEFAULT, es ); es_format_Clean( &es_fmt ); msg_Dbg( p_demux, "adding es: %s codec = %4.4s (%d)", psz_type, (char*)&fcc, cp->codec_id ); } TAB_APPEND( p_sys->i_tk, p_sys->tk, es ); } p_sys->tk_pcr = xcalloc( p_sys->i_tk, sizeof(*p_sys->tk_pcr) ); if( p_sys->ic->start_time != (int64_t)AV_NOPTS_VALUE ) i_start_time = p_sys->ic->start_time * 1000000 / AV_TIME_BASE; msg_Dbg( p_demux, "AVFormat(%s %s) supported stream", AVPROVIDER(LIBAVFORMAT), LIBAVFORMAT_IDENT ); msg_Dbg( p_demux, " - format = %s (%s)", p_sys->fmt->name, p_sys->fmt->long_name ); msg_Dbg( p_demux, " - start time = %"PRId64, i_start_time ); msg_Dbg( p_demux, " - duration = %"PRId64, ( p_sys->ic->duration != (int64_t)AV_NOPTS_VALUE ) ? p_sys->ic->duration * 1000000 / AV_TIME_BASE : -1 ); if( p_sys->ic->nb_chapters > 0 ) { p_sys->p_title = vlc_input_title_New(); p_sys->p_title->i_length = p_sys->ic->duration * 1000000 / AV_TIME_BASE; } for( unsigned i = 0; i < p_sys->ic->nb_chapters; i++ ) { seekpoint_t *s = vlc_seekpoint_New(); AVDictionaryEntry *title = av_dict_get( p_sys->ic->metadata, "title", NULL, 0); if( title && title->value ) { s->psz_name = strdup( title->value ); EnsureUTF8( s->psz_name ); msg_Dbg( p_demux, " - chapter %d: %s", i, s->psz_name ); } s->i_time_offset = p_sys->ic->chapters[i]->start * 1000000 * p_sys->ic->chapters[i]->time_base.num / p_sys->ic->chapters[i]->time_base.den - (i_start_time != -1 ? i_start_time : 0 ); TAB_APPEND( p_sys->p_title->i_seekpoint, p_sys->p_title->seekpoint, s ); } ResetTime( p_demux, 0 ); return VLC_SUCCESS; }
/***************************************************************************** * Open: *****************************************************************************/ static int Open( vlc_object_t *p_this ) { sout_stream_t *p_stream = (sout_stream_t*)p_this; sout_stream_sys_t *p_sys; vlc_value_t val; char *psz_files, *psz_sizes; int i_height = 0, i_width = 0; vlc_init_avcodec(); p_sys = calloc( 1, sizeof(sout_stream_sys_t) ); if( !p_sys ) return VLC_ENOMEM; if( !p_stream->p_next ) { msg_Err( p_stream, "cannot create chain" ); free( p_sys ); return VLC_EGENERIC; } config_ChainParse( p_stream, SOUT_CFG_PREFIX, ppsz_sout_options, p_stream->p_cfg ); var_Get( p_stream, SOUT_CFG_PREFIX "files", &val ); psz_files = val.psz_string; var_Get( p_stream, SOUT_CFG_PREFIX "sizes", &val ); psz_sizes = val.psz_string; p_sys->i_nb_pictures = 0; while ( psz_files && *psz_files ) { char * psz_file = psz_files; char * psz_size = psz_sizes; while ( *psz_files && *psz_files != ':' ) psz_files++; if ( *psz_files == ':' ) *psz_files++ = '\0'; if ( *psz_sizes ) { while ( *psz_sizes && *psz_sizes != ':' ) psz_sizes++; if ( *psz_sizes == ':' ) *psz_sizes++ = '\0'; if ( sscanf( psz_size, "%dx%d", &i_width, &i_height ) != 2 ) { msg_Err( p_stream, "bad size %s for file %s", psz_size, psz_file ); free( p_sys ); return VLC_EGENERIC; } } if ( UnpackFromFile( p_stream, psz_file, i_width, i_height, &p_sys->p_pictures[p_sys->i_nb_pictures] ) < 0 ) { free( p_sys ); return VLC_EGENERIC; } p_sys->i_nb_pictures++; } var_Get( p_stream, SOUT_CFG_PREFIX "aspect-ratio", &val ); if ( val.psz_string ) { char *psz_parser = strchr( val.psz_string, ':' ); if( psz_parser ) { *psz_parser++ = '\0'; p_sys->i_aspect = atoi( val.psz_string ) * VOUT_ASPECT_FACTOR / atoi( psz_parser ); } else { msg_Warn( p_stream, "bad aspect ratio %s", val.psz_string ); p_sys->i_aspect = 4 * VOUT_ASPECT_FACTOR / 3; } free( val.psz_string ); } else { p_sys->i_aspect = 4 * VOUT_ASPECT_FACTOR / 3; } var_Get( p_stream, SOUT_CFG_PREFIX "port", &val ); p_sys->i_fd = net_ListenUDP1( VLC_OBJECT(p_stream), NULL, val.i_int ); if ( p_sys->i_fd < 0 ) { free( p_sys ); return VLC_EGENERIC; } var_Get( p_stream, SOUT_CFG_PREFIX "command", &val ); p_sys->i_cmd = val.i_int; p_sys->i_old_cmd = 0; var_Get( p_stream, SOUT_CFG_PREFIX "gop", &val ); p_sys->i_gop = val.i_int; var_Get( p_stream, SOUT_CFG_PREFIX "qscale", &val ); p_sys->i_qscale = val.i_int; var_Get( p_stream, SOUT_CFG_PREFIX "mute-audio", &val ); p_sys->b_audio = val.b_bool; p_stream->pf_add = Add; p_stream->pf_del = Del; p_stream->pf_send = Send; p_stream->p_sys = p_sys; #if LIBAVCODEC_VERSION_MAJOR >= 54 char *psz_opts = var_InheritString( p_stream, SOUT_CFG_PREFIX "options" ); if (psz_opts && *psz_opts) { p_sys->options = vlc_av_get_options(psz_opts); } else { p_sys->options = NULL; } free(psz_opts); #endif return VLC_SUCCESS; }