GF_EXPORT GF_Err gf_hinter_track_finalize(GF_RTPHinter *tkHint, Bool AddSystemInfo) { u32 Width, Height; GF_ESD *esd; char sdpLine[20000]; char mediaName[30], payloadName[30]; Width = Height = 0; gf_isom_sdp_clean_track(tkHint->file, tkHint->TrackNum); if (gf_isom_get_media_type(tkHint->file, tkHint->TrackNum) == GF_ISOM_MEDIA_VISUAL) gf_isom_get_visual_info(tkHint->file, tkHint->TrackNum, 1, &Width, &Height); gf_rtp_builder_get_payload_name(tkHint->rtp_p, payloadName, mediaName); /*TODO- extract out of rtp_p for future live tools*/ sprintf(sdpLine, "m=%s 0 RTP/%s %d", mediaName, tkHint->rtp_p->slMap.IV_length ? "SAVP" : "AVP", tkHint->rtp_p->PayloadType); gf_isom_sdp_add_track_line(tkHint->file, tkHint->HintTrack, sdpLine); if (tkHint->bandwidth) { sprintf(sdpLine, "b=AS:%d", tkHint->bandwidth); gf_isom_sdp_add_track_line(tkHint->file, tkHint->HintTrack, sdpLine); } if (tkHint->nb_chan) { sprintf(sdpLine, "a=rtpmap:%d %s/%d/%d", tkHint->rtp_p->PayloadType, payloadName, tkHint->rtp_p->sl_config.timestampResolution, tkHint->nb_chan); } else { sprintf(sdpLine, "a=rtpmap:%d %s/%d", tkHint->rtp_p->PayloadType, payloadName, tkHint->rtp_p->sl_config.timestampResolution); } gf_isom_sdp_add_track_line(tkHint->file, tkHint->HintTrack, sdpLine); /*control for MPEG-4*/ if (AddSystemInfo) { sprintf(sdpLine, "a=mpeg4-esid:%d", gf_isom_get_track_id(tkHint->file, tkHint->TrackNum)); gf_isom_sdp_add_track_line(tkHint->file, tkHint->HintTrack, sdpLine); } /*control for QTSS/DSS*/ sprintf(sdpLine, "a=control:trackID=%d", gf_isom_get_track_id(tkHint->file, tkHint->HintTrack)); gf_isom_sdp_add_track_line(tkHint->file, tkHint->HintTrack, sdpLine); /*H263 extensions*/ if (tkHint->rtp_p->rtp_payt == GF_RTP_PAYT_H263) { sprintf(sdpLine, "a=cliprect:0,0,%d,%d", Height, Width); gf_isom_sdp_add_track_line(tkHint->file, tkHint->HintTrack, sdpLine); } /*AMR*/ else if ((tkHint->rtp_p->rtp_payt == GF_RTP_PAYT_AMR) || (tkHint->rtp_p->rtp_payt == GF_RTP_PAYT_AMR_WB)) { sprintf(sdpLine, "a=fmtp:%d octet-align=1", tkHint->rtp_p->PayloadType); gf_isom_sdp_add_track_line(tkHint->file, tkHint->HintTrack, sdpLine); } /*Text*/ else if (tkHint->rtp_p->rtp_payt == GF_RTP_PAYT_3GPP_TEXT) { gf_media_format_ttxt_sdp(tkHint->rtp_p, payloadName, sdpLine, tkHint->file, tkHint->TrackNum); gf_isom_sdp_add_track_line(tkHint->file, tkHint->HintTrack, sdpLine); } /*EVRC/SMV in non header-free mode*/ else if ((tkHint->rtp_p->rtp_payt == GF_RTP_PAYT_EVRC_SMV) && (tkHint->rtp_p->auh_size>1)) { sprintf(sdpLine, "a=fmtp:%d maxptime=%d", tkHint->rtp_p->PayloadType, tkHint->rtp_p->auh_size*20); gf_isom_sdp_add_track_line(tkHint->file, tkHint->HintTrack, sdpLine); } /*H264/AVC*/ else if (tkHint->rtp_p->rtp_payt == GF_RTP_PAYT_H264_AVC) { GF_AVCConfig *avcc = gf_isom_avc_config_get(tkHint->file, tkHint->TrackNum, 1); sprintf(sdpLine, "a=fmtp:%d profile-level-id=%02X%02X%02X; packetization-mode=1", tkHint->rtp_p->PayloadType, avcc->AVCProfileIndication, avcc->profile_compatibility, avcc->AVCLevelIndication); if (gf_list_count(avcc->pictureParameterSets) || gf_list_count(avcc->sequenceParameterSets)) { u32 i, count, b64s; char b64[200]; strcat(sdpLine, "; sprop-parameter-sets="); count = gf_list_count(avcc->sequenceParameterSets); for (i=0; i<count; i++) { GF_AVCConfigSlot *sl = (GF_AVCConfigSlot *)gf_list_get(avcc->sequenceParameterSets, i); b64s = gf_base64_encode(sl->data, sl->size, b64, 200); b64[b64s]=0; strcat(sdpLine, b64); if (i+1<count) strcat(sdpLine, ","); } if (i) strcat(sdpLine, ","); count = gf_list_count(avcc->pictureParameterSets); for (i=0; i<count; i++) { GF_AVCConfigSlot *sl = (GF_AVCConfigSlot *)gf_list_get(avcc->pictureParameterSets, i); b64s = gf_base64_encode(sl->data, sl->size, b64, 200); b64[b64s]=0; strcat(sdpLine, b64); if (i+1<count) strcat(sdpLine, ","); } } gf_isom_sdp_add_track_line(tkHint->file, tkHint->HintTrack, sdpLine); gf_odf_avc_cfg_del(avcc); } /*MPEG-4 decoder config*/ else if (tkHint->rtp_p->rtp_payt==GF_RTP_PAYT_MPEG4) { esd = gf_isom_get_esd(tkHint->file, tkHint->TrackNum, 1); if (esd && esd->decoderConfig && esd->decoderConfig->decoderSpecificInfo && esd->decoderConfig->decoderSpecificInfo->data) { gf_rtp_builder_format_sdp(tkHint->rtp_p, payloadName, sdpLine, esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength); } else { gf_rtp_builder_format_sdp(tkHint->rtp_p, payloadName, sdpLine, NULL, 0); } if (esd) gf_odf_desc_del((GF_Descriptor *)esd); if (tkHint->rtp_p->slMap.IV_length) { const char *kms; gf_isom_get_ismacryp_info(tkHint->file, tkHint->TrackNum, 1, NULL, NULL, NULL, NULL, &kms, NULL, NULL, NULL); if (!strnicmp(kms, "(key)", 5) || !strnicmp(kms, "(ipmp)", 6) || !strnicmp(kms, "(uri)", 5)) { strcat(sdpLine, "; ISMACrypKey="); } else { strcat(sdpLine, "; ISMACrypKey=(uri)"); } strcat(sdpLine, kms); } gf_isom_sdp_add_track_line(tkHint->file, tkHint->HintTrack, sdpLine); } /*MPEG-4 Audio LATM*/ else if (tkHint->rtp_p->rtp_payt==GF_RTP_PAYT_LATM) { GF_BitStream *bs; char *config_bytes; u32 config_size; /* form config string */ bs = gf_bs_new(NULL, 32, GF_BITSTREAM_WRITE); gf_bs_write_int(bs, 0, 1); /* AudioMuxVersion */ gf_bs_write_int(bs, 1, 1); /* all streams same time */ gf_bs_write_int(bs, 0, 6); /* numSubFrames */ gf_bs_write_int(bs, 0, 4); /* numPrograms */ gf_bs_write_int(bs, 0, 3); /* numLayer */ /* audio-specific config */ esd = gf_isom_get_esd(tkHint->file, tkHint->TrackNum, 1); if (esd && esd->decoderConfig && esd->decoderConfig->decoderSpecificInfo) { /*PacketVideo patch: don't signal SBR and PS stuff, not allowed in LATM with audioMuxVersion=0*/ gf_bs_write_data(bs, esd->decoderConfig->decoderSpecificInfo->data, MIN(esd->decoderConfig->decoderSpecificInfo->dataLength, 2) ); } if (esd) gf_odf_desc_del((GF_Descriptor *)esd); /* other data */ gf_bs_write_int(bs, 0, 3); /* frameLengthType */ gf_bs_write_int(bs, 0xff, 8); /* latmBufferFullness */ gf_bs_write_int(bs, 0, 1); /* otherDataPresent */ gf_bs_write_int(bs, 0, 1); /* crcCheckPresent */ gf_bs_get_content(bs, &config_bytes, &config_size); gf_bs_del(bs); gf_rtp_builder_format_sdp(tkHint->rtp_p, payloadName, sdpLine, config_bytes, config_size); gf_isom_sdp_add_track_line(tkHint->file, tkHint->HintTrack, sdpLine); gf_free(config_bytes); } /*3GPP DIMS*/ else if (tkHint->rtp_p->rtp_payt==GF_RTP_PAYT_3GPP_DIMS) { GF_DIMSDescription dims; char fmt[200]; gf_isom_get_visual_info(tkHint->file, tkHint->TrackNum, 1, &Width, &Height); gf_isom_get_dims_description(tkHint->file, tkHint->TrackNum, 1, &dims); sprintf(sdpLine, "a=fmtp:%d Version-profile=%d", tkHint->rtp_p->PayloadType, dims.profile); if (! dims.fullRequestHost) { strcat(sdpLine, ";useFullRequestHost=0"); sprintf(fmt, ";pathComponents=%d", dims.pathComponents); strcat(sdpLine, fmt); } if (!dims.streamType) strcat(sdpLine, ";stream-type=secondary"); if (dims.containsRedundant == 1) strcat(sdpLine, ";contains-redundant=main"); else if (dims.containsRedundant == 2) strcat(sdpLine, ";contains-redundant=redundant"); if (dims.textEncoding && strlen(dims.textEncoding)) { strcat(sdpLine, ";text-encoding="); strcat(sdpLine, dims.textEncoding); } if (dims.contentEncoding && strlen(dims.contentEncoding)) { strcat(sdpLine, ";content-coding="); strcat(sdpLine, dims.contentEncoding); } if (dims.content_script_types && strlen(dims.content_script_types) ) { strcat(sdpLine, ";content-script-types="); strcat(sdpLine, dims.contentEncoding); } gf_isom_sdp_add_track_line(tkHint->file, tkHint->HintTrack, sdpLine); } /*extensions for some mobile phones*/ if (Width && Height) { sprintf(sdpLine, "a=framesize:%d %d-%d", tkHint->rtp_p->PayloadType, Width, Height); gf_isom_sdp_add_track_line(tkHint->file, tkHint->HintTrack, sdpLine); } esd = gf_isom_get_esd(tkHint->file, tkHint->TrackNum, 1); if (esd && esd->decoderConfig && (esd->decoderConfig->rvc_config || esd->decoderConfig->predefined_rvc_config)) { if (esd->decoderConfig->predefined_rvc_config) { sprintf(sdpLine, "a=rvc-config-predef:%d", esd->decoderConfig->predefined_rvc_config); } else { /*temporary ...*/ if (esd->decoderConfig->objectTypeIndication==GPAC_OTI_VIDEO_AVC) { sprintf(sdpLine, "a=rvc-config:%s", "http://download.tsi.telecom-paristech.fr/gpac/RVC/rvc_config_avc.xml"); } else { sprintf(sdpLine, "a=rvc-config:%s", "http://download.tsi.telecom-paristech.fr/gpac/RVC/rvc_config_sp.xml"); } } gf_isom_sdp_add_track_line(tkHint->file, tkHint->HintTrack, sdpLine); } if (esd) gf_odf_desc_del((GF_Descriptor *)esd); gf_isom_set_track_enabled(tkHint->file, tkHint->HintTrack, 1); return GF_OK; }
GF_EXPORT GF_RTPHinter *gf_hinter_track_new(GF_ISOFile *file, u32 TrackNum, u32 Path_MTU, u32 max_ptime, u32 default_rtp_rate, u32 flags, u8 PayloadID, Bool copy_media, u32 InterleaveGroupID, u8 InterleaveGroupPriority, GF_Err *e) { GF_SLConfig my_sl; u32 descIndex, MinSize, MaxSize, avgTS, streamType, oti, const_dur, nb_ch, maxDTSDelta; u8 OfficialPayloadID; u32 TrackMediaSubType, TrackMediaType, hintType, nbEdts, required_rate, force_dts_delta, avc_nalu_size, PL_ID, bandwidth, IV_length, KI_length; const char *url, *urn; char *mpeg4mode; Bool is_crypted, has_mpeg4_mapping; GF_RTPHinter *tmp; GF_ESD *esd; *e = GF_BAD_PARAM; if (!file || !TrackNum || !gf_isom_get_track_id(file, TrackNum)) return NULL; if (!gf_isom_get_sample_count(file, TrackNum)) { *e = GF_OK; return NULL; } *e = GF_NOT_SUPPORTED; nbEdts = gf_isom_get_edit_segment_count(file, TrackNum); if (nbEdts>1) { u64 et, sd, mt; u8 em; gf_isom_get_edit_segment(file, TrackNum, 1, &et, &sd, &mt, &em); if ((nbEdts>2) || (em!=GF_ISOM_EDIT_EMPTY)) { GF_LOG(GF_LOG_ERROR, GF_LOG_RTP, ("[rtp hinter] Cannot hint track whith EditList\n")); return NULL; } } if (nbEdts) gf_isom_remove_edit_segments(file, TrackNum); if (!gf_isom_is_track_enabled(file, TrackNum)) return NULL; /*by default NO PL signaled*/ PL_ID = 0; OfficialPayloadID = 0; force_dts_delta = 0; streamType = oti = 0; mpeg4mode = NULL; required_rate = 0; is_crypted = 0; IV_length = KI_length = 0; oti = 0; nb_ch = 0; avc_nalu_size = 0; has_mpeg4_mapping = 1; TrackMediaType = gf_isom_get_media_type(file, TrackNum); TrackMediaSubType = gf_isom_get_media_subtype(file, TrackNum, 1); /*for max compatibility with QT*/ if (!default_rtp_rate) default_rtp_rate = 90000; /*timed-text is a bit special, we support multiple stream descriptions & co*/ if ( (TrackMediaType==GF_ISOM_MEDIA_TEXT) || (TrackMediaType==GF_ISOM_MEDIA_SUBT)) { hintType = GF_RTP_PAYT_3GPP_TEXT; oti = GPAC_OTI_TEXT_MPEG4; streamType = GF_STREAM_TEXT; /*fixme - this works cos there's only one PL for text in mpeg4 at the current time*/ PL_ID = 0x10; } else { if (gf_isom_get_sample_description_count(file, TrackNum) > 1) return NULL; TrackMediaSubType = gf_isom_get_media_subtype(file, TrackNum, 1); switch (TrackMediaSubType) { case GF_ISOM_SUBTYPE_MPEG4_CRYP: is_crypted = 1; case GF_ISOM_SUBTYPE_MPEG4: esd = gf_isom_get_esd(file, TrackNum, 1); hintType = GF_RTP_PAYT_MPEG4; if (esd) { streamType = esd->decoderConfig->streamType; oti = esd->decoderConfig->objectTypeIndication; if (esd->URLString) hintType = 0; /*AAC*/ if ((streamType==GF_STREAM_AUDIO) && esd->decoderConfig->decoderSpecificInfo /*(nb: we use mpeg4 for MPEG-2 AAC)*/ && ((oti==GPAC_OTI_AUDIO_AAC_MPEG4) || (oti==GPAC_OTI_AUDIO_AAC_MPEG4) || (oti==GPAC_OTI_AUDIO_AAC_MPEG2_MP) || (oti==GPAC_OTI_AUDIO_AAC_MPEG2_LCP) || (oti==GPAC_OTI_AUDIO_AAC_MPEG2_SSRP)) ) { u32 sample_rate; GF_M4ADecSpecInfo a_cfg; gf_m4a_get_config(esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength, &a_cfg); nb_ch = a_cfg.nb_chan; sample_rate = a_cfg.base_sr; PL_ID = a_cfg.audioPL; switch (a_cfg.base_object_type) { case GF_M4A_AAC_MAIN: case GF_M4A_AAC_LC: if (flags & GP_RTP_PCK_USE_LATM_AAC) { hintType = GF_RTP_PAYT_LATM; break; } case GF_M4A_AAC_SBR: case GF_M4A_AAC_PS: case GF_M4A_AAC_LTP: case GF_M4A_AAC_SCALABLE: case GF_M4A_ER_AAC_LC: case GF_M4A_ER_AAC_LTP: case GF_M4A_ER_AAC_SCALABLE: mpeg4mode = "AAC"; break; case GF_M4A_CELP: case GF_M4A_ER_CELP: mpeg4mode = "CELP"; break; } required_rate = sample_rate; } /*MPEG1/2 audio*/ else if ((streamType==GF_STREAM_AUDIO) && ((oti==GPAC_OTI_AUDIO_MPEG2_PART3) || (oti==GPAC_OTI_AUDIO_MPEG1))) { u32 sample_rate; if (!is_crypted) { GF_ISOSample *samp = gf_isom_get_sample(file, TrackNum, 1, NULL); u32 hdr = GF_4CC((u8)samp->data[0], (u8)samp->data[1], (u8)samp->data[2], (u8)samp->data[3]); nb_ch = gf_mp3_num_channels(hdr); sample_rate = gf_mp3_sampling_rate(hdr); gf_isom_sample_del(&samp); hintType = GF_RTP_PAYT_MPEG12_AUDIO; /*use official RTP/AVP payload type*/ OfficialPayloadID = 14; required_rate = 90000; } /*encrypted MP3 must be sent through MPEG-4 generic to signal all ISMACryp stuff*/ else { u8 bps; gf_isom_get_audio_info(file, TrackNum, 1, &sample_rate, &nb_ch, &bps); required_rate = sample_rate; } } /*QCELP audio*/ else if ((streamType==GF_STREAM_AUDIO) && (oti==GPAC_OTI_AUDIO_13K_VOICE)) { hintType = GF_RTP_PAYT_QCELP; OfficialPayloadID = 12; required_rate = 8000; streamType = GF_STREAM_AUDIO; nb_ch = 1; } /*EVRC/SVM audio*/ else if ((streamType==GF_STREAM_AUDIO) && ((oti==GPAC_OTI_AUDIO_EVRC_VOICE) || (oti==GPAC_OTI_AUDIO_SMV_VOICE)) ) { hintType = GF_RTP_PAYT_EVRC_SMV; required_rate = 8000; streamType = GF_STREAM_AUDIO; nb_ch = 1; } /*visual streams*/ else if (streamType==GF_STREAM_VISUAL) { if (oti==GPAC_OTI_VIDEO_MPEG4_PART2) { GF_M4VDecSpecInfo dsi; gf_m4v_get_config(esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength, &dsi); PL_ID = dsi.VideoPL; } /*MPEG1/2 video*/ if ( ((oti>=GPAC_OTI_VIDEO_MPEG2_SIMPLE) && (oti<=GPAC_OTI_VIDEO_MPEG2_422)) || (oti==GPAC_OTI_VIDEO_MPEG1)) { if (!is_crypted) { hintType = GF_RTP_PAYT_MPEG12_VIDEO; OfficialPayloadID = 32; } } /*for ISMA*/ if (is_crypted) { /*that's another pain with ISMACryp, even if no B-frames the DTS is signaled...*/ if (oti==GPAC_OTI_VIDEO_MPEG4_PART2) force_dts_delta = 22; else if (oti==GPAC_OTI_VIDEO_AVC) { flags &= ~GP_RTP_PCK_USE_MULTI; force_dts_delta = 22; } flags |= GP_RTP_PCK_SIGNAL_RAP | GP_RTP_PCK_SIGNAL_TS; } required_rate = default_rtp_rate; } /*systems streams*/ else if (gf_isom_has_sync_shadows(file, TrackNum) || gf_isom_has_sample_dependency(file, TrackNum)) { flags |= GP_RTP_PCK_SYSTEMS_CAROUSEL; } gf_odf_desc_del((GF_Descriptor*)esd); } break; case GF_ISOM_SUBTYPE_3GP_H263: hintType = GF_RTP_PAYT_H263; required_rate = 90000; streamType = GF_STREAM_VISUAL; OfficialPayloadID = 34; /*not 100% compliant (short header is missing) but should still work*/ oti = GPAC_OTI_VIDEO_MPEG4_PART2; PL_ID = 0x01; break; case GF_ISOM_SUBTYPE_3GP_AMR: required_rate = 8000; hintType = GF_RTP_PAYT_AMR; streamType = GF_STREAM_AUDIO; has_mpeg4_mapping = 0; nb_ch = 1; break; case GF_ISOM_SUBTYPE_3GP_AMR_WB: required_rate = 16000; hintType = GF_RTP_PAYT_AMR_WB; streamType = GF_STREAM_AUDIO; has_mpeg4_mapping = 0; nb_ch = 1; break; case GF_ISOM_SUBTYPE_AVC_H264: case GF_ISOM_SUBTYPE_AVC2_H264: case GF_ISOM_SUBTYPE_SVC_H264: { GF_AVCConfig *avcc = gf_isom_avc_config_get(file, TrackNum, 1); required_rate = 90000; /* "90 kHz clock rate MUST be used"*/ hintType = GF_RTP_PAYT_H264_AVC; streamType = GF_STREAM_VISUAL; avc_nalu_size = avcc->nal_unit_size; oti = GPAC_OTI_VIDEO_AVC; PL_ID = 0x0F; gf_odf_avc_cfg_del(avcc); } break; case GF_ISOM_SUBTYPE_3GP_QCELP: required_rate = 8000; hintType = GF_RTP_PAYT_QCELP; streamType = GF_STREAM_AUDIO; oti = GPAC_OTI_AUDIO_13K_VOICE; OfficialPayloadID = 12; nb_ch = 1; break; case GF_ISOM_SUBTYPE_3GP_EVRC: case GF_ISOM_SUBTYPE_3GP_SMV: required_rate = 8000; hintType = GF_RTP_PAYT_EVRC_SMV; streamType = GF_STREAM_AUDIO; oti = (TrackMediaSubType==GF_ISOM_SUBTYPE_3GP_EVRC) ? GPAC_OTI_AUDIO_EVRC_VOICE : GPAC_OTI_AUDIO_SMV_VOICE; nb_ch = 1; break; case GF_ISOM_SUBTYPE_3GP_DIMS: hintType = GF_RTP_PAYT_3GPP_DIMS; streamType = GF_STREAM_SCENE; break; case GF_ISOM_SUBTYPE_AC3: hintType = GF_RTP_PAYT_AC3; streamType = GF_STREAM_AUDIO; gf_isom_get_audio_info(file, TrackNum, 1, NULL, &nb_ch, NULL); break; default: /*ERROR*/ hintType = 0; break; } } /*not hintable*/ if (!hintType) return NULL; /*we only support self-contained files for hinting*/ gf_isom_get_data_reference(file, TrackNum, 1, &url, &urn); if (url || urn) return NULL; *e = GF_OUT_OF_MEM; GF_SAFEALLOC(tmp, GF_RTPHinter); if (!tmp) return NULL; /*override hinter type if requested and possible*/ if (has_mpeg4_mapping && (flags & GP_RTP_PCK_FORCE_MPEG4)) { hintType = GF_RTP_PAYT_MPEG4; avc_nalu_size = 0; } /*use static payload ID if enabled*/ else if (OfficialPayloadID && (flags & GP_RTP_PCK_USE_STATIC_ID) ) { PayloadID = OfficialPayloadID; } tmp->file = file; tmp->TrackNum = TrackNum; tmp->avc_nalu_size = avc_nalu_size; tmp->nb_chan = nb_ch; /*spatial scalability check*/ tmp->has_ctts = gf_isom_has_time_offset(file, TrackNum); /*get sample info*/ gf_media_get_sample_average_infos(file, TrackNum, &MinSize, &MaxSize, &avgTS, &maxDTSDelta, &const_dur, &bandwidth); /*systems carousel: we need at least IDX and RAP signaling*/ if (flags & GP_RTP_PCK_SYSTEMS_CAROUSEL) { flags |= GP_RTP_PCK_SIGNAL_RAP; } /*update flags in MultiSL*/ if (flags & GP_RTP_PCK_USE_MULTI) { if (MinSize != MaxSize) flags |= GP_RTP_PCK_SIGNAL_SIZE; if (!const_dur) flags |= GP_RTP_PCK_SIGNAL_TS; } if (tmp->has_ctts) flags |= GP_RTP_PCK_SIGNAL_TS; /*default SL for RTP */ InitSL_RTP(&my_sl); my_sl.timestampResolution = gf_isom_get_media_timescale(file, TrackNum); /*override clockrate if set*/ if (required_rate) { Double sc = required_rate; sc /= my_sl.timestampResolution; maxDTSDelta = (u32) (maxDTSDelta*sc); my_sl.timestampResolution = required_rate; } /*switch to RTP TS*/ max_ptime = (u32) (max_ptime * my_sl.timestampResolution / 1000); my_sl.AUSeqNumLength = gf_get_bit_size(gf_isom_get_sample_count(file, TrackNum)); my_sl.CUDuration = const_dur; if (gf_isom_has_sync_points(file, TrackNum)) { my_sl.useRandomAccessPointFlag = 1; } else { my_sl.useRandomAccessPointFlag = 0; my_sl.hasRandomAccessUnitsOnlyFlag = 1; } if (is_crypted) { Bool use_sel_enc; gf_isom_get_ismacryp_info(file, TrackNum, 1, NULL, NULL, NULL, NULL, NULL, &use_sel_enc, &IV_length, &KI_length); if (use_sel_enc) flags |= GP_RTP_PCK_SELECTIVE_ENCRYPTION; } // in case a different timescale was provided tmp->OrigTimeScale = gf_isom_get_media_timescale(file, TrackNum); tmp->rtp_p = gf_rtp_builder_new(hintType, &my_sl, flags, tmp, MP4T_OnNewPacket, MP4T_OnPacketDone, /*if copy, no data ref*/ copy_media ? NULL : MP4T_OnDataRef, MP4T_OnData); //init the builder gf_rtp_builder_init(tmp->rtp_p, PayloadID, Path_MTU, max_ptime, streamType, oti, PL_ID, MinSize, MaxSize, avgTS, maxDTSDelta, IV_length, KI_length, mpeg4mode); /*ISMA compliance is a pain...*/ if (force_dts_delta) tmp->rtp_p->slMap.DTSDeltaLength = force_dts_delta; /* Hint Track Setup */ tmp->TrackID = gf_isom_get_track_id(file, TrackNum); tmp->HintID = tmp->TrackID + 65535; while (gf_isom_get_track_by_id(file, tmp->HintID)) tmp->HintID++; tmp->HintTrack = gf_isom_new_track(file, tmp->HintID, GF_ISOM_MEDIA_HINT, my_sl.timestampResolution); gf_isom_setup_hint_track(file, tmp->HintTrack, GF_ISOM_HINT_RTP); /*create a hint description*/ gf_isom_new_hint_description(file, tmp->HintTrack, -1, -1, 0, &descIndex); gf_isom_rtp_set_timescale(file, tmp->HintTrack, descIndex, my_sl.timestampResolution); if (hintType==GF_RTP_PAYT_MPEG4) { tmp->rtp_p->slMap.ObjectTypeIndication = oti; /*set this SL for extraction.*/ gf_isom_set_extraction_slc(file, TrackNum, 1, &my_sl); } tmp->bandwidth = bandwidth; /*set interleaving*/ gf_isom_set_track_group(file, TrackNum, InterleaveGroupID); if (!copy_media) { /*if we don't copy data set hint track and media track in the same group*/ gf_isom_set_track_group(file, tmp->HintTrack, InterleaveGroupID); } else { gf_isom_set_track_group(file, tmp->HintTrack, InterleaveGroupID + OFFSET_HINT_GROUP_ID); } /*use user-secified priority*/ InterleaveGroupPriority*=2; gf_isom_set_track_priority_in_group(file, TrackNum, InterleaveGroupPriority+1); gf_isom_set_track_priority_in_group(file, tmp->HintTrack, InterleaveGroupPriority); #if 0 /*QT FF: not setting these flags = server uses a random offset*/ gf_isom_rtp_set_time_offset(file, tmp->HintTrack, 1, 0); /*we don't use seq offset for maintainance pruposes*/ gf_isom_rtp_set_time_sequence_offset(file, tmp->HintTrack, 1, 0); #endif *e = GF_OK; return tmp; }
static GF_Err gf_isom_streamer_setup_sdp(GF_ISOMRTPStreamer *streamer, char*sdpfilename, char **out_sdp_buffer) { GF_RTPTrack *track; FILE *sdp_out; char filename[GF_MAX_PATH]; char sdpLine[20000]; strcpy(filename, sdpfilename ? sdpfilename : "videosession.sdp"); sdp_out = gf_f64_open(filename, "wt"); if (!sdp_out) return GF_IO_ERR; if (!out_sdp_buffer) { sprintf(sdpLine, "v=0"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "o=MP4Streamer 3357474383 1148485440000 IN IP%d %s", gf_net_is_ipv6(streamer->dest_ip) ? 6 : 4, streamer->dest_ip); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "s=livesession"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "i=This is an MP4 time-sliced Streaming demo"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "u=http://gpac.sourceforge.net"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "e=admin@"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "c=IN IP%d %s", gf_net_is_ipv6(streamer->dest_ip) ? 6 : 4, streamer->dest_ip); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "t=0 0"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "a=x-copyright: Streamed with GPAC (C)2000-200X - http://gpac.sourceforge.net\n"); fprintf(sdp_out, "%s\n", sdpLine); } track = streamer->stream; while (track) { char *sdp_media=NULL; const char *KMS = NULL; char *dsi = NULL; u32 w, h; u32 dsi_len = 0; GF_DecoderConfig *dcd = gf_isom_get_decoder_config(streamer->isom, track->track_num, 1); if (dcd && dcd->decoderSpecificInfo) { dsi = dcd->decoderSpecificInfo->data; dsi_len = dcd->decoderSpecificInfo->dataLength; } w = h = 0; if (gf_isom_get_media_type(streamer->isom, track->track_num) == GF_ISOM_MEDIA_VISUAL) { gf_isom_get_visual_info(streamer->isom, track->track_num, 1, &w, &h); } gf_isom_get_ismacryp_info(streamer->isom, track->track_num, 1, NULL, NULL, NULL, NULL, &KMS, NULL, NULL, NULL); /*TODO retrieve DIMS content encoding from track to set the flags */ gf_rtp_streamer_append_sdp_extended(track->rtp, gf_isom_get_track_id(streamer->isom, track->track_num), dsi, dsi_len, streamer->isom, track->track_num, (char *)KMS, w, h, &sdp_media); if (sdp_media) { fprintf(sdp_out, "%s", sdp_media); gf_free(sdp_media); } if (dcd) gf_odf_desc_del((GF_Descriptor *)dcd); track = track->next; } fprintf(sdp_out, "\n"); fclose(sdp_out); if (out_sdp_buffer) { u64 size; sdp_out = gf_f64_open(filename, "r"); gf_f64_seek(sdp_out, 0, SEEK_END); size = gf_f64_tell(sdp_out); gf_f64_seek(sdp_out, 0, SEEK_SET); if (*out_sdp_buffer) gf_free(*out_sdp_buffer); *out_sdp_buffer = gf_malloc(sizeof(char)*(size_t)(size+1)); size = fread(*out_sdp_buffer, 1, (size_t)size, sdp_out); fclose(sdp_out); (*out_sdp_buffer)[size]=0; } return GF_OK; }
GF_EXPORT GF_ISOMRTPStreamer *gf_isom_streamer_new(const char *file_name, const char *ip_dest, u16 port, Bool loop, Bool force_mpeg4, u32 path_mtu, u32 ttl, char *ifce_addr) { GF_ISOMRTPStreamer *streamer; GF_Err e = GF_OK; const char *opt = NULL; /*GF_Config *configFile = NULL; */ u32 i, max_ptime, au_sn_len; u8 payt; GF_ISOFile *file; GF_RTPTrack *track, *prev_track; u16 first_port; u32 nb_tracks; u32 sess_data_size; if (!ip_dest) ip_dest = "127.0.0.1"; if (!port) port = 7000; if (!path_mtu) path_mtu = 1450; GF_SAFEALLOC(streamer, GF_ISOMRTPStreamer); streamer->dest_ip = gf_strdup(ip_dest); payt = 96; max_ptime = au_sn_len = 0; file = gf_isom_open(file_name, GF_ISOM_OPEN_READ, NULL); if (!file) { GF_LOG(GF_LOG_ERROR, GF_LOG_RTP, ("Error opening file %s: %s\n", opt, gf_error_to_string(gf_isom_last_error(NULL)))); return NULL; } streamer->isom = file; streamer->loop = loop; streamer->force_mpeg4_generic = force_mpeg4; first_port = port; sess_data_size = 0; prev_track = NULL; nb_tracks = gf_isom_get_track_count(streamer->isom); for (i=0; i<nb_tracks; i++) { u32 mediaSize, mediaDuration, flags, MinSize, MaxSize, avgTS, streamType, oti, const_dur, nb_ch, samplerate, maxDTSDelta, TrackMediaSubType, TrackMediaType, bandwidth, IV_length, KI_length, dsi_len; const char *url, *urn; char *dsi; Bool is_crypted; dsi_len = samplerate = streamType = oti = nb_ch = IV_length = KI_length = 0; is_crypted = 0; dsi = NULL; flags = 0; /*we only support self-contained files for hinting*/ gf_isom_get_data_reference(streamer->isom, i+1, 1, &url, &urn); if (url || urn) continue; TrackMediaType = gf_isom_get_media_type(streamer->isom, i+1); TrackMediaSubType = gf_isom_get_media_subtype(streamer->isom, i+1, 1); switch (TrackMediaType) { case GF_ISOM_MEDIA_TEXT: break; case GF_ISOM_MEDIA_VISUAL: case GF_ISOM_MEDIA_AUDIO: case GF_ISOM_MEDIA_SUBT: case GF_ISOM_MEDIA_OD: case GF_ISOM_MEDIA_SCENE: if (gf_isom_get_sample_description_count(streamer->isom, i+1) > 1) continue; break; default: continue; } GF_SAFEALLOC(track, GF_RTPTrack); if (prev_track) prev_track->next = track; else streamer->stream = track; prev_track = track; track->track_num = i+1; track->nb_aus = gf_isom_get_sample_count(streamer->isom, track->track_num); track->timescale = gf_isom_get_media_timescale(streamer->isom, track->track_num); mediaDuration = (u32)(gf_isom_get_media_duration(streamer->isom, track->track_num)*1000/track->timescale); // ms mediaSize = (u32)gf_isom_get_media_data_size(streamer->isom, track->track_num); sess_data_size += mediaSize; if (mediaDuration > streamer->duration_ms) streamer->duration_ms = mediaDuration; track->port = check_next_port(streamer, first_port); first_port = track->port+2; /*init packetizer*/ if (streamer->force_mpeg4_generic) flags = GP_RTP_PCK_SIGNAL_RAP | GP_RTP_PCK_FORCE_MPEG4; switch (TrackMediaSubType) { case GF_ISOM_SUBTYPE_MPEG4_CRYP: is_crypted = 1; case GF_ISOM_SUBTYPE_MPEG4: { GF_ESD *esd = gf_isom_get_esd(streamer->isom, track->track_num, 1); if (esd) { streamType = esd->decoderConfig->streamType; oti = esd->decoderConfig->objectTypeIndication; /*systems streams*/ if (streamType==GF_STREAM_AUDIO) { gf_isom_get_audio_info(streamer->isom, track->track_num, 1, &samplerate, &nb_ch, NULL); } /*systems streams*/ else if (streamType==GF_STREAM_SCENE) { if (gf_isom_has_sync_shadows(streamer->isom, track->track_num) || gf_isom_has_sample_dependency(streamer->isom, track->track_num)) flags |= GP_RTP_PCK_SYSTEMS_CAROUSEL; } if (esd->decoderConfig->decoderSpecificInfo) { dsi = esd->decoderConfig->decoderSpecificInfo->data; dsi_len = esd->decoderConfig->decoderSpecificInfo->dataLength; esd->decoderConfig->decoderSpecificInfo->data = NULL; esd->decoderConfig->decoderSpecificInfo->dataLength = 0; } gf_odf_desc_del((GF_Descriptor*)esd); } } break; case GF_ISOM_SUBTYPE_AVC_H264: case GF_ISOM_SUBTYPE_AVC2_H264: case GF_ISOM_SUBTYPE_SVC_H264: { GF_AVCConfig *avcc = gf_isom_avc_config_get(streamer->isom, track->track_num, 1); track->avc_nalu_size = avcc->nal_unit_size; gf_odf_avc_cfg_del(avcc); streamType = GF_STREAM_VISUAL; oti = GPAC_OTI_VIDEO_AVC; } break; default: streamType = GF_STREAM_4CC; oti = TrackMediaSubType; break; } /*get sample info*/ gf_media_get_sample_average_infos(streamer->isom, track->track_num, &MinSize, &MaxSize, &avgTS, &maxDTSDelta, &const_dur, &bandwidth); if (is_crypted) { Bool use_sel_enc; gf_isom_get_ismacryp_info(streamer->isom, track->track_num, 1, NULL, NULL, NULL, NULL, NULL, &use_sel_enc, &IV_length, &KI_length); if (use_sel_enc) flags |= GP_RTP_PCK_SELECTIVE_ENCRYPTION; } track->rtp = gf_rtp_streamer_new_extended(streamType, oti, track->timescale, (char *) streamer->dest_ip, track->port, path_mtu, ttl, ifce_addr, flags, dsi, dsi_len, payt, samplerate, nb_ch, is_crypted, IV_length, KI_length, MinSize, MaxSize, avgTS, maxDTSDelta, const_dur, bandwidth, max_ptime, au_sn_len); if (!track->rtp) { GF_LOG(GF_LOG_ERROR, GF_LOG_RTP, ("Could not initialize RTP streamer: %s\n", gf_error_to_string(e))); goto exit; } payt++; track->microsec_ts_scale = 1000000; track->microsec_ts_scale /= gf_isom_get_media_timescale(streamer->isom, track->track_num); } return streamer; exit: gf_free(streamer); return NULL; }
static GF_Err gf_isom_streamer_setup_sdp(GF_ISOMRTPStreamer *streamer, char*sdpfilename, char **out_sdp_buffer) { GF_RTPTrack *track; FILE *sdp_out; char filename[GF_MAX_PATH]; char sdpLine[20000]; u32 t, count; u8 *payload_type; strcpy(filename, sdpfilename ? sdpfilename : "videosession.sdp"); sdp_out = gf_fopen(filename, "wt"); if (!sdp_out) return GF_IO_ERR; if (!out_sdp_buffer) { sprintf(sdpLine, "v=0"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "o=MP4Streamer 3357474383 1148485440000 IN IP%d %s", gf_net_is_ipv6(streamer->dest_ip) ? 6 : 4, streamer->dest_ip); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "s=livesession"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "i=This is an MP4 time-sliced Streaming demo"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "u=http://gpac.sourceforge.net"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "e=admin@"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "c=IN IP%d %s", gf_net_is_ipv6(streamer->dest_ip) ? 6 : 4, streamer->dest_ip); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "t=0 0"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "a=x-copyright: Streamed with GPAC (C)2000-200X - http://gpac.sourceforge.net"); fprintf(sdp_out, "%s\n", sdpLine); if (streamer->base_track) { sprintf(sdpLine, "a=group:DDP L%d", streamer->base_track); fprintf(sdp_out, "%s", sdpLine); count = gf_isom_get_track_count(streamer->isom); for (t = 0; t < count; t++) { if (gf_isom_has_track_reference(streamer->isom, t+1, GF_ISOM_REF_BASE, gf_isom_get_track_id(streamer->isom, streamer->base_track))) { sprintf(sdpLine, " L%d", t+1); fprintf(sdp_out, "%s", sdpLine); } } fprintf(sdp_out, "\n"); } } /*prepare array of payload type*/ count = gf_isom_get_track_count(streamer->isom); payload_type = (u8 *)gf_malloc(count * sizeof(u8)); track = streamer->stream; while (track) { payload_type[track->track_num-1] = gf_rtp_streamer_get_payload_type(track->rtp); track = track->next; } track = streamer->stream; while (track) { char *sdp_media=NULL; const char *KMS = NULL; char *dsi = NULL; u32 w, h; u32 dsi_len = 0; GF_DecoderConfig *dcd; //use inspect mode so that we don't aggregate xPS from the base in the enhancement ESD gf_isom_set_nalu_extract_mode(streamer->isom, track->track_num, GF_ISOM_NALU_EXTRACT_INSPECT); dcd = gf_isom_get_decoder_config(streamer->isom, track->track_num, 1); if (dcd && dcd->decoderSpecificInfo) { dsi = dcd->decoderSpecificInfo->data; dsi_len = dcd->decoderSpecificInfo->dataLength; } w = h = 0; if (gf_isom_get_media_type(streamer->isom, track->track_num) == GF_ISOM_MEDIA_VISUAL) { gf_isom_get_visual_info(streamer->isom, track->track_num, 1, &w, &h); } gf_isom_get_ismacryp_info(streamer->isom, track->track_num, 1, NULL, NULL, NULL, NULL, &KMS, NULL, NULL, NULL); /*TODO retrieve DIMS content encoding from track to set the flags */ gf_rtp_streamer_append_sdp_extended(track->rtp, gf_isom_get_track_id(streamer->isom, track->track_num), dsi, dsi_len, streamer->isom, track->track_num, (char *)KMS, w, h, &sdp_media); if (streamer->base_track) gf_rtp_streamer_append_sdp_decoding_dependency(streamer->isom, track->track_num, payload_type, &sdp_media); if (sdp_media) { fprintf(sdp_out, "%s", sdp_media); gf_free(sdp_media); } if (dcd) gf_odf_desc_del((GF_Descriptor *)dcd); track = track->next; } fprintf(sdp_out, "\n"); gf_fclose(sdp_out); if (out_sdp_buffer) { u64 size; sdp_out = gf_fopen(filename, "r"); gf_fseek(sdp_out, 0, SEEK_END); size = gf_ftell(sdp_out); gf_fseek(sdp_out, 0, SEEK_SET); if (*out_sdp_buffer) gf_free(*out_sdp_buffer); *out_sdp_buffer = gf_malloc(sizeof(char)*(size_t)(size+1)); size = fread(*out_sdp_buffer, 1, (size_t)size, sdp_out); gf_fclose(sdp_out); (*out_sdp_buffer)[size]=0; } gf_free(payload_type); return GF_OK; }
GF_Err ISOR_ConnectChannel(GF_InputService *plug, LPNETCHANNEL channel, const char *url, Bool upstream) { u32 ESID; ISOMChannel *ch; GF_NetworkCommand com; u32 track; Bool is_esd_url; GF_Err e; ISOMReader *read; if (!plug || !plug->priv) return GF_SERVICE_ERROR; read = (ISOMReader *) plug->priv; track = 0; ch = NULL; is_esd_url = 0; e = GF_OK; if (upstream) { e = GF_ISOM_INVALID_FILE; goto exit; } if (!read->mov) return GF_SERVICE_ERROR; if (strstr(url, "ES_ID")) { sscanf(url, "ES_ID=%ud", &ESID); } else { /*handle url like mypath/myfile.mp4#trackID*/ char *track_id = strrchr(url, '.'); if (track_id) { track_id = strchr(url, '#'); if (track_id) track_id ++; } is_esd_url = 1; ESID = 0; /*if only one track ok*/ if (gf_isom_get_track_count(read->mov)==1) ESID = gf_isom_get_track_id(read->mov, 1); else if (track_id) { ESID = atoi(track_id); track = gf_isom_get_track_by_id(read->mov, (u32) ESID); if (!track) ESID = 0; } } if (!ESID) { e = GF_NOT_SUPPORTED; goto exit; } /*a channel cannot be open twice, it has to be closed before - NOTE a track is NOT a channel and the user can open several times the same track as long as a dedicated channel is used*/ ch = isor_get_channel(read, channel); if (ch) { e = GF_SERVICE_ERROR; goto exit; } track = gf_isom_get_track_by_id(read->mov, (u32) ESID); if (!track) { e = GF_STREAM_NOT_FOUND; goto exit; } GF_SAFEALLOC(ch, ISOMChannel); ch->owner = read; ch->channel = channel; gf_list_add(read->channels, ch); ch->track = track; switch (gf_isom_get_media_type(ch->owner->mov, ch->track)) { case GF_ISOM_MEDIA_OCR: ch->streamType = GF_STREAM_OCR; break; case GF_ISOM_MEDIA_SCENE: ch->streamType = GF_STREAM_SCENE; break; } ch->has_edit_list = gf_isom_get_edit_segment_count(ch->owner->mov, ch->track) ? 1 : 0; ch->has_rap = (gf_isom_has_sync_points(ch->owner->mov, ch->track)==1) ? 1 : 0; ch->time_scale = gf_isom_get_media_timescale(ch->owner->mov, ch->track); exit: gf_term_on_connect(read->service, channel, e); /*if esd url reconfig SL layer*/ if (!e && is_esd_url) { GF_ESD *esd; memset(&com, 0, sizeof(GF_NetworkCommand)); com.base.on_channel = channel; com.command_type = GF_NET_CHAN_RECONFIG; esd = gf_isom_get_esd(read->mov, ch->track, 1); if (esd) { memcpy(&com.cfg.sl_config, esd->slConfig, sizeof(GF_SLConfig)); gf_odf_desc_del((GF_Descriptor *)esd); } else { com.cfg.sl_config.tag = GF_ODF_SLC_TAG; com.cfg.sl_config.timestampLength = 32; com.cfg.sl_config.timestampResolution = ch->time_scale; com.cfg.sl_config.useRandomAccessPointFlag = 1; } gf_term_on_command(read->service, &com, GF_OK); } if (!e && track && gf_isom_is_track_encrypted(read->mov, track)) { memset(&com, 0, sizeof(GF_NetworkCommand)); com.base.on_channel = channel; com.command_type = GF_NET_CHAN_DRM_CFG; ch->is_encrypted = 1; if (gf_isom_is_ismacryp_media(read->mov, track, 1)) { gf_isom_get_ismacryp_info(read->mov, track, 1, NULL, &com.drm_cfg.scheme_type, &com.drm_cfg.scheme_version, &com.drm_cfg.scheme_uri, &com.drm_cfg.kms_uri, NULL, NULL, NULL); gf_term_on_command(read->service, &com, GF_OK); } else if (gf_isom_is_omadrm_media(read->mov, track, 1)) { gf_isom_get_omadrm_info(read->mov, track, 1, NULL, &com.drm_cfg.scheme_type, &com.drm_cfg.scheme_version, &com.drm_cfg.contentID, &com.drm_cfg.kms_uri, &com.drm_cfg.oma_drm_textual_headers, &com.drm_cfg.oma_drm_textual_headers_len, NULL, &com.drm_cfg.oma_drm_crypt_type, NULL, NULL, NULL); gf_media_get_file_hash(gf_isom_get_filename(read->mov), com.drm_cfg.hash); gf_term_on_command(read->service, &com, GF_OK); } } return e; }