static GF_Err processRap(PNC_CallbackData * data, char * bsBuffer) { GF_Err error; dprintf(DEBUG_RTP_serv_generator, "RTP STREAM RAP\n"); gf_mx_p(data->carrousel_mutex); data->SAUN_inc = 1; data->RAP = 1; data->RAPsent++; error = gf_seng_aggregate_context(data->codec, 0); if (GF_OK == error) error = gf_seng_encode_context(data->codec, MySampleCallBack); gf_mx_v(data->carrousel_mutex); gf_free( bsBuffer ); return error; }
u32 RAP_send(void *par) { RAP_Input *input = par; PNC_CallbackData *data = input->data; u32 *timer; input->status = 1; while (input->status==1) { gf_mx_p(input->carrousel_mutex); timer = input->RAPtimer; data->RAPsent++; dprintf(DEBUG_broadcaster, "Sending RAP, will sleep for %d seconds\n", *timer); data->RAP = 1; gf_seng_aggregate_context(data->codec, 0); gf_seng_encode_context(data->codec, SampleCallBack); gf_mx_v(input->carrousel_mutex); gf_sleep((*timer)*1000); } input->status = 2; return GF_OK; }
int live_session(int argc, char **argv) { GF_Err e; int i; char *filename = NULL; char *dst = NULL; char *ifce_addr = NULL; char *sdp_name = "session.sdp"; u16 dst_port = 7000; u32 load_type=0; u32 check; u32 ttl = 1; u32 path_mtu = 1450; s32 next_time; u64 last_src_modif, mod_time; char *src_name = NULL; Bool run, has_carousel, no_rap; Bool udp = 0; u16 sk_port=0; GF_Socket *sk = NULL; LiveSession livesess; RTPChannel *ch; char *update_buffer = NULL; u32 update_buffer_size = 0; u16 aggregate_on_stream; Bool adjust_carousel_time, force_rap, aggregate_au, discard_pending, signal_rap, version_inc; Bool update_context; u32 period, ts_delta, signal_critical; u16 es_id; e = GF_OK; aggregate_au = 1; es_id = 0; no_rap = 0; gf_sys_init(0); memset(&livesess, 0, sizeof(LiveSession)); gf_log_set_tool_level(GF_LOG_ALL, GF_LOG_INFO); for (i=1; i<argc; i++) { char *arg = argv[i]; if (arg[0] != '-') filename = arg; else if (!strnicmp(arg, "-dst=", 5)) dst = arg+5; else if (!strnicmp(arg, "-port=", 6)) dst_port = atoi(arg+6); else if (!strnicmp(arg, "-sdp=", 5)) sdp_name = arg+5; else if (!strnicmp(arg, "-mtu=", 5)) path_mtu = atoi(arg+5); else if (!strnicmp(arg, "-ttl=", 5)) ttl = atoi(arg+5); else if (!strnicmp(arg, "-ifce=", 6)) ifce_addr = arg+6; else if (!strnicmp(arg, "-no-rap", 7)) no_rap = 1; else if (!strnicmp(arg, "-dims", 5)) load_type = GF_SM_LOAD_DIMS; else if (!strnicmp(arg, "-src=", 5)) src_name = arg+5; else if (!strnicmp(arg, "-udp=", 5)) { sk_port = atoi(arg+5); udp = 1; } else if (!strnicmp(arg, "-tcp=", 5)) { sk_port = atoi(arg+5); udp = 0; } } if (!filename) { fprintf(stderr, "Missing filename\n"); PrintLiveUsage(); return 1; } if (dst_port && dst) livesess.streams = gf_list_new(); livesess.seng = gf_seng_init(&livesess, filename, load_type, NULL, (load_type == GF_SM_LOAD_DIMS) ? 1 : 0); if (!livesess.seng) { fprintf(stderr, "Cannot create scene engine\n"); return 1; } if (livesess.streams) live_session_setup(&livesess, dst, dst_port, path_mtu, ttl, ifce_addr, sdp_name); has_carousel = 0; last_src_modif = src_name ? gf_file_modification_time(src_name) : 0; if (sk_port) { sk = gf_sk_new(udp ? GF_SOCK_TYPE_UDP : GF_SOCK_TYPE_TCP); if (udp) { e = gf_sk_bind(sk, NULL, sk_port, NULL, 0, 0); if (e != GF_OK) { if (sk) gf_sk_del(sk); sk = NULL; } } else { } } for (i=0; i<argc; i++) { char *arg = argv[i]; if (!strnicmp(arg, "-rap=", 5)) { u32 period, id, j; RTPChannel *ch; period = id = 0; if (strchr(arg, ':')) { sscanf(arg, "-rap=ESID=%u:%u", &id, &period); e = gf_seng_enable_aggregation(livesess.seng, id, 1); if (e) { fprintf(stderr, "Cannot enable aggregation on stream %u: %s\n", id, gf_error_to_string(e)); goto exit; } } else { sscanf(arg, "-rap=%u", &period); } j=0; while (NULL != (ch = gf_list_enum(livesess.streams, &j))) { if (!id || (ch->ESID==id)) ch->carousel_period = period; } has_carousel = 1; } } i=0; while (NULL != (ch = gf_list_enum(livesess.streams, &i))) { if (ch->carousel_period) { has_carousel = 1; break; } } update_context = 0; if (has_carousel || !no_rap) { livesess.carousel_generation = 1; gf_seng_encode_context(livesess.seng, live_session_callback); livesess.carousel_generation = 0; } live_session_send_carousel(&livesess, NULL); check = 10; run = 1; while (run) { check--; if (!check) { check = 10; if (gf_prompt_has_input()) { char c = gf_prompt_get_char(); switch (c) { case 'q': run=0; break; case 'U': livesess.critical = 1; case 'u': { GF_Err e; char szCom[8192]; fprintf(stderr, "Enter command to send:\n"); szCom[0] = 0; if (1 > scanf("%[^\t\n]", szCom)){ fprintf(stderr, "No command entered properly, aborting.\n"); break; } /*stdin flush bug*/ while (getchar()!='\n') {} e = gf_seng_encode_from_string(livesess.seng, 0, 0, szCom, live_session_callback); if (e) fprintf(stderr, "Processing command failed: %s\n", gf_error_to_string(e)); e = gf_seng_aggregate_context(livesess.seng, 0); livesess.critical = 0; update_context = 1; } break; case 'E': livesess.critical = 1; case 'e': { GF_Err e; char szCom[8192]; fprintf(stderr, "Enter command to send:\n"); szCom[0] = 0; if (1 > scanf("%[^\t\n]", szCom)){ printf("No command entered properly, aborting.\n"); break; } /*stdin flush bug*/ while (getchar()!='\n') {} e = gf_seng_encode_from_string(livesess.seng, 0, 1, szCom, live_session_callback); if (e) fprintf(stderr, "Processing command failed: %s\n", gf_error_to_string(e)); livesess.critical = 0; e = gf_seng_aggregate_context(livesess.seng, 0); } break; case 'p': { char rad[GF_MAX_PATH]; fprintf(stderr, "Enter output file name - \"std\" for stderr: "); if (1 > scanf("%s", rad)){ fprintf(stderr, "No ouput file name entered, aborting.\n"); break; } e = gf_seng_save_context(livesess.seng, !strcmp(rad, "std") ? NULL : rad); fprintf(stderr, "Dump done (%s)\n", gf_error_to_string(e)); } break; case 'F': update_context = 1; case 'f': livesess.force_carousel = 1; break; } e = GF_OK; } } /*process updates from file source*/ if (src_name) { mod_time = gf_file_modification_time(src_name); if (mod_time != last_src_modif) { FILE *srcf; char flag_buf[201], *flag; fprintf(stderr, "Update file modified - processing\n"); last_src_modif = mod_time; srcf = gf_f64_open(src_name, "rt"); if (!srcf) continue; /*checks if we have a broadcast config*/ if (!fgets(flag_buf, 200, srcf)) flag_buf[0] = '\0'; fclose(srcf); aggregate_on_stream = (u16) -1; adjust_carousel_time = force_rap = discard_pending = signal_rap = signal_critical = 0; aggregate_au = version_inc = 1; period = -1; ts_delta = 0; es_id = 0; /*find our keyword*/ flag = strstr(flag_buf, "gpac_broadcast_config "); if (flag) { flag += strlen("gpac_broadcast_config "); /*move to next word*/ while (flag && (flag[0]==' ')) flag++; while (1) { char *sep = strchr(flag, ' '); if (sep) sep[0] = 0; if (!strnicmp(flag, "esid=", 5)) es_id = atoi(flag+5); else if (!strnicmp(flag, "period=", 7)) period = atoi(flag+7); else if (!strnicmp(flag, "ts=", 3)) ts_delta = atoi(flag+3); else if (!strnicmp(flag, "carousel=", 9)) aggregate_on_stream = atoi(flag+9); else if (!strnicmp(flag, "restamp=", 8)) adjust_carousel_time = atoi(flag+8); else if (!strnicmp(flag, "discard=", 8)) discard_pending = atoi(flag+8); else if (!strnicmp(flag, "aggregate=", 10)) aggregate_au = atoi(flag+10); else if (!strnicmp(flag, "force_rap=", 10)) force_rap = atoi(flag+10); else if (!strnicmp(flag, "rap=", 4)) signal_rap = atoi(flag+4); else if (!strnicmp(flag, "critical=", 9)) signal_critical = atoi(flag+9); else if (!strnicmp(flag, "vers_inc=", 9)) version_inc = atoi(flag+9); if (sep) { sep[0] = ' '; flag = sep+1; } else { break; } } set_broadcast_params(&livesess, es_id, period, ts_delta, aggregate_on_stream, adjust_carousel_time, force_rap, aggregate_au, discard_pending, signal_rap, signal_critical, version_inc); } e = gf_seng_encode_from_file(livesess.seng, es_id, aggregate_au ? 0 : 1, src_name, live_session_callback); if (e) fprintf(stderr, "Processing command failed: %s\n", gf_error_to_string(e)); e = gf_seng_aggregate_context(livesess.seng, 0); update_context = no_rap ? 0 : 1; } } /*process updates from socket source*/ if (sk) { char buffer[2049]; u32 bytes_read; u32 update_length; u32 bytes_received; e = gf_sk_receive(sk, buffer, 2048, 0, &bytes_read); if (e == GF_OK) { u32 hdr_length = 0; u8 cmd_type = buffer[0]; bytes_received = 0; switch (cmd_type) { case 0: { GF_BitStream *bs = gf_bs_new(buffer, bytes_read, GF_BITSTREAM_READ); gf_bs_read_u8(bs); es_id = gf_bs_read_u16(bs); aggregate_on_stream = gf_bs_read_u16(bs); if (aggregate_on_stream==0xFFFF) aggregate_on_stream = -1; adjust_carousel_time = gf_bs_read_int(bs, 1); force_rap = gf_bs_read_int(bs, 1); aggregate_au = gf_bs_read_int(bs, 1); discard_pending = gf_bs_read_int(bs, 1); signal_rap = gf_bs_read_int(bs, 1); signal_critical = gf_bs_read_int(bs, 1); version_inc = gf_bs_read_int(bs, 1); gf_bs_read_int(bs, 1); period = gf_bs_read_u16(bs); if (period==0xFFFF) period = -1; ts_delta = gf_bs_read_u16(bs); update_length = gf_bs_read_u32(bs); hdr_length = 12; gf_bs_del(bs); } set_broadcast_params(&livesess, es_id, period, ts_delta, aggregate_on_stream, adjust_carousel_time, force_rap, aggregate_au, discard_pending, signal_rap, signal_critical, version_inc); break; default: update_length = 0; break; } if (update_buffer_size <= update_length) { update_buffer = gf_realloc(update_buffer, update_length+1); update_buffer_size = update_length+1; } if (update_length && (bytes_read>hdr_length) ) { memcpy(update_buffer, buffer+hdr_length, bytes_read-hdr_length); bytes_received = bytes_read-hdr_length; } while (bytes_received<update_length) { e = gf_sk_receive(sk, buffer, 2048, 0, &bytes_read); switch (e) { case GF_IP_NETWORK_EMPTY: break; case GF_OK: memcpy(update_buffer+bytes_received, buffer, bytes_read); bytes_received += bytes_read; break; default: fprintf(stderr, "Error with UDP socket : %s\n", gf_error_to_string(e)); break; } } update_buffer[update_length] = 0; if (update_length) { e = gf_seng_encode_from_string(livesess.seng, es_id, aggregate_au ? 0 : 1, update_buffer, live_session_callback); if (e) fprintf(stderr, "Processing command failed: %s\n", gf_error_to_string(e)); e = gf_seng_aggregate_context(livesess.seng, 0); update_context = 1; } } } if (update_context) { livesess.carousel_generation=1; e = gf_seng_encode_context(livesess.seng, live_session_callback ); livesess.carousel_generation=0; update_context = 0; } if (livesess.force_carousel) { live_session_send_carousel(&livesess, NULL); livesess.force_carousel = 0; continue; } if (!has_carousel) { gf_sleep(10); continue; } ch = next_carousel(&livesess, &next_time); if ((ch==NULL) || (next_time > 20)) { gf_sleep(20); continue; } if (next_time) gf_sleep(next_time); live_session_send_carousel(&livesess, ch); } exit: live_session_shutdown(&livesess); if (update_buffer) gf_free(update_buffer); if (sk) gf_sk_del(sk); gf_sys_close(); return e ? 1 : 0; }