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; }
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; }
/*import cubic QTVR to mp4*/ GF_Err gf_sm_load_init_qt(GF_SceneLoader *load) { u32 i, di, w, h, tk, nb_samp; Bool has_qtvr; GF_ISOSample *samp; GF_ISOFile *src; GF_StreamContext *st; GF_AUContext *au; GF_Command *com; M_Background *back; M_NavigationInfo *ni; M_Group *gr; GF_ODUpdate *odU; GF_SceneGraph *sg; GF_ObjectDescriptor *od; GF_ESD *esd; if (!load->ctx) return GF_NOT_SUPPORTED; src = gf_isom_open(load->fileName, GF_ISOM_OPEN_READ, NULL); if (!src) return gf_qt_report(load, GF_URL_ERROR, "Opening file %s failed", load->fileName); w = h = tk = 0; nb_samp = 0; has_qtvr = 0; for (i=0; i<gf_isom_get_track_count(src); i++) { switch (gf_isom_get_media_type(src, i+1)) { case GF_ISOM_MEDIA_VISUAL: if (gf_isom_get_media_subtype(src, i+1, 1) == GF_4CC('j', 'p', 'e', 'g')) { GF_GenericSampleDescription *udesc = gf_isom_get_generic_sample_description(src, i+1, 1); if ((udesc->width>w) || (udesc->height>h)) { w = udesc->width; h = udesc->height; tk = i+1; nb_samp = gf_isom_get_sample_count(src, i+1); } if (udesc->extension_buf) gf_free(udesc->extension_buf); gf_free(udesc); } break; case GF_4CC('q','t','v','r'): has_qtvr = 1; break; } } if (!has_qtvr) { gf_isom_delete(src); return gf_qt_report(load, GF_NOT_SUPPORTED, "QTVR not found - no conversion available for this QuickTime movie"); } if (!tk) { gf_isom_delete(src); return gf_qt_report(load, GF_NON_COMPLIANT_BITSTREAM, "No associated visual track with QTVR movie"); } if (nb_samp!=6) { gf_isom_delete(src); return gf_qt_report(load, GF_NOT_SUPPORTED, "Movie %s doesn't look a Cubic QTVR - sorry...", load->fileName); } GF_LOG(GF_LOG_INFO, GF_LOG_PARSER, ("QT: Importing Cubic QTVR Movie")); /*create scene*/ sg = load->ctx->scene_graph; gr = (M_Group *) gf_node_new(sg, TAG_MPEG4_Group); gf_node_register((GF_Node *)gr, NULL); st = gf_sm_stream_new(load->ctx, 1, GF_STREAM_SCENE, 1); au = gf_sm_stream_au_new(st, 0, 0, 1); com = gf_sg_command_new(load->ctx->scene_graph, GF_SG_SCENE_REPLACE); gf_list_add(au->commands, com); com->node = (GF_Node *)gr; back = (M_Background *) gf_node_new(sg, TAG_MPEG4_Background); gf_node_list_add_child( &gr->children, (GF_Node*)back); gf_node_register((GF_Node *)back, (GF_Node *)gr); gf_sg_vrml_mf_alloc(&back->leftUrl, GF_SG_VRML_MFURL, 1); back->leftUrl.vals[0].OD_ID = 2; gf_sg_vrml_mf_alloc(&back->frontUrl, GF_SG_VRML_MFURL, 1); back->frontUrl.vals[0].OD_ID = 3; gf_sg_vrml_mf_alloc(&back->rightUrl, GF_SG_VRML_MFURL, 1); back->rightUrl.vals[0].OD_ID = 4; gf_sg_vrml_mf_alloc(&back->backUrl, GF_SG_VRML_MFURL, 1); back->backUrl.vals[0].OD_ID = 5; gf_sg_vrml_mf_alloc(&back->topUrl, GF_SG_VRML_MFURL, 1); back->topUrl.vals[0].OD_ID = 6; gf_sg_vrml_mf_alloc(&back->bottomUrl, GF_SG_VRML_MFURL, 1); back->bottomUrl.vals[0].OD_ID = 7; ni = (M_NavigationInfo *) gf_node_new(sg, TAG_MPEG4_NavigationInfo); gf_node_list_add_child(&gr->children, (GF_Node*)ni); gf_node_register((GF_Node *)ni, (GF_Node *)gr); gf_sg_vrml_mf_reset(&ni->type, GF_SG_VRML_MFSTRING); gf_sg_vrml_mf_alloc(&ni->type, GF_SG_VRML_MFSTRING, 1); ni->type.vals[0] = gf_strdup("QTVR"); /*create ODs*/ st = gf_sm_stream_new(load->ctx, 2, GF_STREAM_OD, 1); au = gf_sm_stream_au_new(st, 0, 0, 1); odU = (GF_ODUpdate*) gf_odf_com_new(GF_ODF_OD_UPDATE_TAG); gf_list_add(au->commands, odU); for (i=0; i<6; i++) { GF_MuxInfo *mi; FILE *img; char szName[1024]; od = (GF_ObjectDescriptor *) gf_odf_desc_new(GF_ODF_OD_TAG); od->objectDescriptorID = 2+i; esd = gf_odf_desc_esd_new(2); esd->decoderConfig->streamType = GF_STREAM_VISUAL; esd->decoderConfig->objectTypeIndication = GPAC_OTI_IMAGE_JPEG; esd->ESID = 3+i; /*extract image and remember it*/ mi = (GF_MuxInfo *) gf_odf_desc_new(GF_ODF_MUXINFO_TAG); gf_list_add(esd->extensionDescriptors, mi); mi->delete_file = 1; sprintf(szName, "%s_img%d.jpg", load->fileName, esd->ESID); mi->file_name = gf_strdup(szName); gf_list_add(od->ESDescriptors, esd); gf_list_add(odU->objectDescriptors, od); samp = gf_isom_get_sample(src, tk, i+1, &di); img = gf_f64_open(mi->file_name, "wb"); fwrite(samp->data, samp->dataLength, 1, img); fclose(img); gf_isom_sample_del(&samp); } gf_isom_delete(src); return GF_OK; }
void isor_declare_objects(ISOMReader *read) { GF_ObjectDescriptor *od; GF_ESD *esd; const char *tag; u32 i, count, ocr_es_id, tlen, base_track, j, track_id; Bool highest_stream; ocr_es_id = 0; /*TODO check for alternate tracks*/ count = gf_isom_get_track_count(read->mov); for (i=0; i<count; i++) { if (!gf_isom_is_track_enabled(read->mov, i+1)) continue; switch (gf_isom_get_media_type(read->mov, i+1)) { case GF_ISOM_MEDIA_AUDIO: case GF_ISOM_MEDIA_VISUAL: case GF_ISOM_MEDIA_TEXT: case GF_ISOM_MEDIA_SUBT: case GF_ISOM_MEDIA_SCENE: case GF_ISOM_MEDIA_SUBPIC: break; default: continue; } //some subtypes are not declared as readable objects switch (gf_isom_get_media_subtype(read->mov, i+1, 1)) { case GF_ISOM_SUBTYPE_HVT1: continue; default: break; } /*we declare only the highest video track (i.e the track we play)*/ highest_stream = GF_TRUE; track_id = gf_isom_get_track_id(read->mov, i+1); if (read->play_only_track_id && (read->play_only_track_id != track_id)) continue; for (j = 0; j < count; j++) { if (gf_isom_has_track_reference(read->mov, j+1, GF_ISOM_REF_SCAL, track_id) > 0) { highest_stream = GF_FALSE; break; } } if ((gf_isom_get_media_type(read->mov, i+1) == GF_ISOM_MEDIA_VISUAL) && !highest_stream) continue; esd = gf_media_map_esd(read->mov, i+1); if (esd) { gf_isom_get_reference(read->mov, i+1, GF_ISOM_REF_BASE, 1, &base_track); esd->has_ref_base = base_track ? GF_TRUE : GF_FALSE; if (!esd->langDesc) { esd->langDesc = (GF_Language *) gf_odf_desc_new(GF_ODF_LANG_TAG); gf_isom_get_media_language(read->mov, i+1, &esd->langDesc->full_lang_code); } od = (GF_ObjectDescriptor *) gf_odf_desc_new(GF_ODF_OD_TAG); od->service_ifce = read->input; od->objectDescriptorID = 0; if (!ocr_es_id) ocr_es_id = esd->ESID; esd->OCRESID = ocr_es_id; gf_list_add(od->ESDescriptors, esd); if (read->input->query_proxy && read->input->proxy_udta && read->input->proxy_type) { send_proxy_command(read, GF_FALSE, GF_TRUE, GF_OK, (GF_Descriptor*)od, NULL); } else { gf_service_declare_media(read->service, (GF_Descriptor*)od, GF_TRUE); } } } /*if cover art, extract it in cache*/ if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_COVER_ART, &tag, &tlen)==GF_OK) { const char *cdir = gf_modules_get_option((GF_BaseInterface *)gf_service_get_interface(read->service), "General", "CacheDirectory"); if (cdir) { char szName[GF_MAX_PATH]; const char *sep; FILE *t; sep = strrchr(gf_isom_get_filename(read->mov), '\\'); if (!sep) sep = strrchr(gf_isom_get_filename(read->mov), '/'); if (!sep) sep = gf_isom_get_filename(read->mov); if ((cdir[strlen(cdir)-1] != '\\') && (cdir[strlen(cdir)-1] != '/')) { sprintf(szName, "%s/%s_cover.%s", cdir, sep, (tlen & 0x80000000) ? "png" : "jpg"); } else { sprintf(szName, "%s%s_cover.%s", cdir, sep, (tlen & 0x80000000) ? "png" : "jpg"); } t = gf_fopen(szName, "wb"); if (t) { Bool isom_contains_video = GF_FALSE; /*write cover data*/ assert(!(tlen & 0x80000000)); gf_fwrite(tag, tlen & 0x7FFFFFFF, 1, t); gf_fclose(t); /*don't display cover art when video is present*/ for (i=0; i<gf_isom_get_track_count(read->mov); i++) { if (!gf_isom_is_track_enabled(read->mov, i+1)) continue; if (gf_isom_get_media_type(read->mov, i+1) == GF_ISOM_MEDIA_VISUAL) { isom_contains_video = GF_TRUE; break; } } if (!isom_contains_video) { od = (GF_ObjectDescriptor *) gf_odf_desc_new(GF_ODF_OD_TAG); od->service_ifce = read->input; od->objectDescriptorID = GF_MEDIA_EXTERNAL_ID; od->URLString = gf_strdup(szName); if (read->input->query_proxy && read->input->proxy_udta && read->input->proxy_type) { send_proxy_command(read, GF_FALSE, GF_TRUE, GF_OK, (GF_Descriptor*)od, NULL); } else { gf_service_declare_media(read->service, (GF_Descriptor*)od, GF_TRUE); } } } } } if (read->input->query_proxy && read->input->proxy_udta && read->input->proxy_type) { send_proxy_command(read, GF_FALSE, GF_TRUE, GF_OK, NULL, NULL); } else { gf_service_declare_media(read->service, NULL, GF_FALSE); } }