static u32 get_track_id(GF_ISOFile *mov, u32 media_type, u32 idx) { u32 i, count, cur; cur=0; count = gf_isom_get_track_count(mov); for (i=0; i<count; i++) { if (gf_isom_get_media_type(mov, i+1) != media_type) continue; if (!idx) return gf_isom_get_track_id(mov, i+1); cur++; if (cur==idx) return gf_isom_get_track_id(mov, i+1); } return 0; }
/*switch channel quality. Return next channel or current channel if error*/ static u32 gf_channel_switch_quality(ISOMChannel *ch, GF_ISOFile *the_file, Bool switch_up) { u32 i, count, next_track, trackID, cur_track; s32 ref_count; cur_track = ch->next_track ? ch->next_track : ch->track; count = gf_isom_get_track_count(the_file); trackID = gf_isom_get_track_id(the_file, cur_track); next_track = 0; if (switch_up) { for (i = 0; i < count; i++) { ref_count = gf_isom_get_reference_count(the_file, i+1, GF_ISOM_REF_SCAL); if (ref_count < 0) return cur_track; //error else if (ref_count == 0) continue; /*next track is the one that has the last reference of type GF_ISOM_REF_SCAL refers to this current track*/ else if ((u32)ref_count == gf_isom_has_track_reference(the_file, i+1, GF_ISOM_REF_SCAL, trackID)) { next_track = i+1; break; } } /*this is the highest quality*/ if (!next_track) return cur_track; } else { if (cur_track == ch->base_track) return cur_track; ref_count = gf_isom_get_reference_count(the_file, cur_track, GF_ISOM_REF_SCAL); if (ref_count < 0) return cur_track; gf_isom_get_reference(the_file, cur_track, GF_ISOM_REF_SCAL, ref_count, &next_track); if (!next_track) return cur_track; } /*in scalable mode add SPS/PPS in-band*/ gf_isom_set_nalu_extract_mode(the_file, next_track, ch->nalu_extract_mode); return next_track; }
void MP4T_DumpSDP(GF_ISOFile *file, const char *name) { const char *sdp; u32 size, i; FILE *f; f = gf_f64_open(name, "wt"); //get the movie SDP gf_isom_sdp_get(file, &sdp, &size); fwrite(sdp, size, 1, f); fprintf(f, "\r\n"); //then tracks for (i=0; i<gf_isom_get_track_count(file); i++) { if (gf_isom_get_media_type(file, i+1) != GF_ISOM_MEDIA_HINT) continue; gf_isom_sdp_track_get(file, i+1, &sdp, &size); fwrite(sdp, size, 1, f); } fclose(f); }
void gf_media_format_ttxt_sdp(GP_RTPPacketizer *builder, char *payload_name, char *sdpLine, GF_ISOFile *file, u32 track) { char buffer[2000]; u32 w, h, i, m_w, m_h; s32 tx, ty; s16 l; sprintf(sdpLine, "a=fmtp:%d sver=60; ", builder->PayloadType); gf_isom_get_track_layout_info(file, track, &w, &h, &tx, &ty, &l); sprintf(buffer, "width=%d; height=%d; tx=%d; ty=%d; layer=%d; ", w, h, tx, ty, l); strcat(sdpLine, buffer); m_w = w; m_h = h; for (i=0; i<gf_isom_get_track_count(file); i++) { switch (gf_isom_get_media_type(file, i+1)) { case GF_ISOM_MEDIA_SCENE: case GF_ISOM_MEDIA_VISUAL: gf_isom_get_track_layout_info(file, i+1, &w, &h, &tx, &ty, &l); if (w>m_w) m_w = w; if (h>m_h) m_h = h; break; default: break; } } sprintf(buffer, "max-w=%d; max-h=%d", m_w, m_h); strcat(sdpLine, buffer); strcat(sdpLine, "; tx3g="); for (i=0; i<gf_isom_get_sample_description_count(file, track); i++) { char *tx3g; u32 tx3g_len, len; gf_isom_text_get_encoded_tx3g(file, track, i+1, GF_RTP_TX3G_SIDX_OFFSET, &tx3g, &tx3g_len); len = gf_base64_encode(tx3g, tx3g_len, buffer, 2000); gf_free(tx3g); buffer[len] = 0; if (i) strcat(sdpLine, ", "); strcat(sdpLine, buffer); } }
/*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; }
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; }
void bifs_to_vid(GF_ISOFile *file, char *szConfigFile, u32 width, u32 height, char *rad_name, u32 dump_type, char *out_dir, Double fps, s32 frameID, s32 dump_time) { GF_User user; BIFSVID b2v; u16 es_id; Bool first_dump, needs_raw; u32 i, j, di, count, timescale, frameNum; u32 duration, cur_time; GF_VideoSurface fb; GF_Err e; char old_driv[1024]; const char *test; char config_path[GF_MAX_PATH]; avi_t *avi_out; Bool reset_fps; GF_ESD *esd; char comp[5]; char *conv_buf; memset(&user, 0, sizeof(GF_User)); if (szConfigFile && strlen(szConfigFile)) { user.config = gf_cfg_init(config_path, NULL); } else { user.config = gf_cfg_init(NULL, NULL); } if (!user.config) { fprintf(stdout, "Error: Configuration File \"%s\" not found in %s\n", GPAC_CFG_FILE, config_path); return; } avi_out = NULL; conv_buf = NULL; esd = NULL; needs_raw = 0; test = gf_cfg_get_key(user.config, "General", "ModulesDirectory"); user.modules = gf_modules_new((const unsigned char *) test, user.config); strcpy(old_driv, "raw_out"); if (!gf_modules_get_count(user.modules)) { printf("Error: no modules found\n"); goto err_exit; } /*switch driver to raw_driver*/ test = gf_cfg_get_key(user.config, "Video", "DriverName"); if (test) strcpy(old_driv, test); test = gf_cfg_get_key(user.config, "Compositor", "RendererName"); /*since we only support RGB24 for MP42AVI force using RAW out with 2D driver*/ if (test && strstr(test, "2D")) { gf_cfg_set_key(user.config, "Video", "DriverName", "Raw Video Output"); needs_raw = 1; } needs_raw = 0; user.init_flags = GF_TERM_NO_AUDIO | GF_TERM_FORCE_3D; b2v.sr = gf_sc_new(&user, 0, NULL); gf_sc_set_option(b2v.sr, GF_OPT_VISIBLE, 0); b2v.sg = gf_sg_new(); gf_sg_set_scene_time_callback(b2v.sg, get_scene_time, &b2v); gf_sg_set_init_callback(b2v.sg, node_init, &b2v); gf_sg_set_modified_callback(b2v.sg, node_modif, &b2v); /*load config*/ gf_sc_set_option(b2v.sr, GF_OPT_RELOAD_CONFIG, 1); b2v.bifs = gf_bifs_decoder_new(b2v.sg, 0); if (needs_raw) { test = gf_cfg_get_key(user.config, "Video", "DriverName"); if (stricmp(test, "raw_out") && stricmp(test, "Raw Video Output")) { printf("couldn't load raw output driver (%s used)\n", test); goto err_exit; } } strcpy(config_path, ""); if (out_dir) { strcat(config_path, out_dir); if (config_path[strlen(config_path)-1] != '\\') strcat(config_path, "\\"); } strcat(config_path, rad_name); strcat(config_path, "_bifs"); if (!dump_type) { strcat(config_path, ".avi"); avi_out = AVI_open_output_file(config_path); comp[0] = comp[1] = comp[2] = comp[3] = comp[4] = 0; if (!avi_out) goto err_exit; } for (i=0; i<gf_isom_get_track_count(file); i++) { esd = gf_isom_get_esd(file, i+1, 1); if (!esd) continue; if (!esd->dependsOnESID && (esd->decoderConfig->streamType == GF_STREAM_SCENE)) break; gf_odf_desc_del((GF_Descriptor *) esd); esd = NULL; } if (!esd) { printf("no bifs track found\n"); goto err_exit; } b2v.duration = gf_isom_get_media_duration(file, i+1); timescale = gf_isom_get_media_timescale(file, i+1); es_id = (u16) gf_isom_get_track_id(file, i+1); e = gf_bifs_decoder_configure_stream(b2v.bifs, es_id, esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength, esd->decoderConfig->objectTypeIndication); if (e) { printf("BIFS init error %s\n", gf_error_to_string(e)); gf_odf_desc_del((GF_Descriptor *) esd); esd = NULL; goto err_exit; } if (dump_time>=0) dump_time = dump_time *1000 / timescale; gf_sc_set_scene(b2v.sr, b2v.sg); count = gf_isom_get_sample_count(file, i+1); reset_fps = 0; if (!fps) { fps = (Float) (count * timescale); fps /= (Double) (s64) b2v.duration; printf("Estimated BIFS FrameRate %g\n", fps); reset_fps = 1; } if (!width || !height) { gf_sg_get_scene_size_info(b2v.sg, &width, &height); } /*we work in RGB24, and we must make sure the pitch is %4*/ if ((width*3)%4) { printf("Adjusting width (%d) to have a stride multiple of 4\n", width); while ((width*3)%4) width--; } gf_sc_set_size(b2v.sr, width, height); gf_sc_draw_frame(b2v.sr); gf_sc_get_screen_buffer(b2v.sr, &fb); width = fb.width; height = fb.height; if (avi_out) { AVI_set_video(avi_out, width, height, fps, comp); conv_buf = gf_malloc(sizeof(char) * width * height * 3); } printf("Dumping at BIFS resolution %d x %d\n\n", width, height); gf_sc_release_screen_buffer(b2v.sr, &fb); cur_time = 0; duration = (u32)(timescale / fps); if (reset_fps) fps = 0; frameNum = 1; first_dump = 1; for (j=0; j<count; j++) { GF_ISOSample *samp = gf_isom_get_sample(file, i+1, j+1, &di); b2v.cts = samp->DTS + samp->CTS_Offset; /*apply command*/ gf_bifs_decode_au(b2v.bifs, es_id, samp->data, samp->dataLength, ((Double)(s64)b2v.cts)/1000.0); gf_isom_sample_del(&samp); if ((frameID>=0) && (j<(u32)frameID)) continue; if ((dump_time>=0) && ((u32) dump_time>b2v.cts)) continue; /*render frame*/ gf_sc_draw_frame(b2v.sr); /*needed for background2D !!*/ if (first_dump) { gf_sc_draw_frame(b2v.sr); first_dump = 0; } if (fps) { if (cur_time > b2v.cts) continue; while (1) { printf("dumped frame time %f (frame %d - sample %d)\r", ((Float)cur_time)/timescale, frameNum, j+1); dump_frame(b2v, conv_buf, config_path, dump_type, avi_out, frameNum); frameNum++; cur_time += duration; if (cur_time > b2v.cts) break; } } else { dump_frame(b2v, conv_buf, config_path, dump_type, avi_out, (frameID>=0) ? frameID : frameNum); if (frameID>=0 || dump_time>=0) break; frameNum++; printf("dumped frame %d / %d\r", j+1, count); } } gf_odf_desc_del((GF_Descriptor *) esd); /*destroy everything*/ gf_bifs_decoder_del(b2v.bifs); gf_sg_del(b2v.sg); gf_sc_set_scene(b2v.sr, NULL); gf_sc_del(b2v.sr); err_exit: if (avi_out) AVI_close(avi_out); if (conv_buf) gf_free(conv_buf); if (user.modules) gf_modules_del(user.modules); if (needs_raw) gf_cfg_set_key(user.config, "Video", "DriverName", old_driv); gf_cfg_del(user.config); }
/*generates an intertwined bmp from a scene file with 5 different viewpoints*/ void bifs3d_viewpoints_merger(GF_ISOFile *file, char *szConfigFile, u32 width, u32 height, char *rad_name, u32 dump_type, char *out_dir, Double fps, s32 frameID, s32 dump_time) { GF_User user; char out_path[GF_MAX_PATH]; char old_driv[1024]; BIFSVID b2v; Bool needs_raw; GF_Err e; GF_VideoSurface fb; unsigned char **rendered_frames; u32 nb_viewpoints = 5; u32 viewpoint_index; /* Configuration of the Rendering Capabilities */ { const char *test; char config_path[GF_MAX_PATH]; memset(&user, 0, sizeof(GF_User)); user.config = gf_cfg_init(szConfigFile, NULL); if (!user.config) { fprintf(stdout, "Error: Configuration File \"%s\" not found in %s\n", GPAC_CFG_FILE, config_path); return; } test = gf_cfg_get_key(user.config, "General", "ModulesDirectory"); user.modules = gf_modules_new((const unsigned char *) test, user.config); strcpy(old_driv, "raw_out"); if (!gf_modules_get_count(user.modules)) { printf("Error: no modules found\n"); goto err_exit; } /*switch driver to raw_driver*/ test = gf_cfg_get_key(user.config, "Video", "DriverName"); if (test) strcpy(old_driv, test); needs_raw = 0; test = gf_cfg_get_key(user.config, "Compositor", "RendererName"); /*since we only support RGB24 for MP42AVI force using RAW out with 2D driver*/ if (test && strstr(test, "2D")) { gf_cfg_set_key(user.config, "Video", "DriverName", "Raw Video Output"); needs_raw = 1; } if (needs_raw) { test = gf_cfg_get_key(user.config, "Video", "DriverName"); if (stricmp(test, "raw_out") && stricmp(test, "Raw Video Output")) { printf("couldn't load raw output driver (%s used)\n", test); goto err_exit; } } } memset(&b2v, 0, sizeof(BIFSVID)); user.init_flags = GF_TERM_NO_AUDIO; /* Initialization of the compositor */ b2v.sr = gf_sc_new(&user, 0, NULL); gf_sc_set_option(b2v.sr, GF_OPT_VISIBLE, 0); /* Initialization of the scene graph */ b2v.sg = gf_sg_new(); gf_sg_set_scene_time_callback(b2v.sg, get_scene_time, &b2v); gf_sg_set_init_callback(b2v.sg, node_init, &b2v); gf_sg_set_modified_callback(b2v.sg, node_modif, &b2v); /*load config*/ gf_sc_set_option(b2v.sr, GF_OPT_RELOAD_CONFIG, 1); { u32 di; u32 track_number; GF_ESD *esd; u16 es_id; b2v.bifs = gf_bifs_decoder_new(b2v.sg, 0); for (track_number=0; track_number<gf_isom_get_track_count(file); track_number++) { esd = gf_isom_get_esd(file, track_number+1, 1); if (!esd) continue; if (!esd->dependsOnESID && (esd->decoderConfig->streamType == GF_STREAM_SCENE)) break; gf_odf_desc_del((GF_Descriptor *) esd); esd = NULL; } if (!esd) { printf("no bifs track found\n"); goto err_exit; } es_id = (u16) gf_isom_get_track_id(file, track_number+1); e = gf_bifs_decoder_configure_stream(b2v.bifs, es_id, esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength, esd->decoderConfig->objectTypeIndication); if (e) { printf("BIFS init error %s\n", gf_error_to_string(e)); gf_odf_desc_del((GF_Descriptor *) esd); esd = NULL; goto err_exit; } { GF_ISOSample *samp = gf_isom_get_sample(file, track_number+1, 1, &di); b2v.cts = samp->DTS + samp->CTS_Offset; /*apply command*/ gf_bifs_decode_au(b2v.bifs, es_id, samp->data, samp->dataLength, ((Double)(s64)b2v.cts)/1000.0); gf_isom_sample_del(&samp); } b2v.duration = gf_isom_get_media_duration(file, track_number+1); gf_odf_desc_del((GF_Descriptor *) esd); } gf_sc_set_scene(b2v.sr, b2v.sg); if (!width || !height) { gf_sg_get_scene_size_info(b2v.sg, &width, &height); } /*we work in RGB24, and we must make sure the pitch is %4*/ if ((width*3)%4) { printf("Adjusting width (%d) to have a stride multiple of 4\n", width); while ((width*3)%4) width--; } gf_sc_set_size(b2v.sr, width, height); gf_sc_get_screen_buffer(b2v.sr, &fb); width = fb.width; height = fb.height; gf_sc_release_screen_buffer(b2v.sr, &fb); GF_SAFEALLOC(rendered_frames, nb_viewpoints*sizeof(char *)); for (viewpoint_index = 1; viewpoint_index <= nb_viewpoints; viewpoint_index++) { GF_SAFEALLOC(rendered_frames[viewpoint_index-1], fb.width*fb.height*3); gf_sc_set_viewpoint(b2v.sr, viewpoint_index, NULL); gf_sc_draw_frame(b2v.sr); /*needed for background2D !!*/ gf_sc_draw_frame(b2v.sr); strcpy(out_path, ""); if (out_dir) { strcat(out_path, out_dir); if (out_path[strlen(out_path)-1] != '\\') strcat(out_path, "\\"); } strcat(out_path, rad_name); strcat(out_path, "_view"); gf_sc_get_screen_buffer(b2v.sr, &fb); write_bmp(&fb, out_path, viewpoint_index); memcpy(rendered_frames[viewpoint_index-1], fb.video_buffer, fb.width*fb.height*3); gf_sc_release_screen_buffer(b2v.sr, &fb); } if (width != 800 || height != 480) { printf("Wrong scene dimension, cannot produce output\n"); goto err_exit; } else { u32 x, y; GF_VideoSurface out_fb; u32 bpp = 3; out_fb.width = 800; out_fb.height = 480; out_fb.pitch = 800*bpp; out_fb.pixel_format = GF_PIXEL_RGB_24; out_fb.is_hardware_memory = 0; GF_SAFEALLOC(out_fb.video_buffer, out_fb.pitch*out_fb.height) #if 1 for (y=0; y<out_fb.height; y++) { /*starting red pixel is R1, R5, R4, R3, R2, R1, R5, ... when increasing line num*/ u32 line_shift = (5-y) % 5; for (x=0; x<out_fb.width; x++) { u32 view_shift = (line_shift+bpp*x)%5; u32 offset = out_fb.pitch*y + x*bpp; /* red */ out_fb.video_buffer[offset] = rendered_frames[view_shift][offset]; /* green */ out_fb.video_buffer[offset+1] = rendered_frames[(view_shift+1)%5][offset+1]; /* blue */ out_fb.video_buffer[offset+2] = rendered_frames[(view_shift+2)%5][offset+2]; } } #else /*calibration*/ for (y=0; y<out_fb.height; y++) { u32 line_shift = (5- y%5) % 5; for (x=0; x<out_fb.width; x++) { u32 view_shift = (line_shift+bpp*x)%5; u32 offset = out_fb.pitch*y + x*bpp; out_fb.video_buffer[offset] = ((view_shift)%5 == 2) ? 0xFF : 0; out_fb.video_buffer[offset+1] = ((view_shift+1)%5 == 2) ? 0xFF : 0; out_fb.video_buffer[offset+2] = ((view_shift+2)%5 == 2) ? 0xFF : 0; } } #endif write_bmp(&out_fb, "output", 0); } /*destroy everything*/ gf_bifs_decoder_del(b2v.bifs); gf_sg_del(b2v.sg); gf_sc_set_scene(b2v.sr, NULL); gf_sc_del(b2v.sr); err_exit: /* if (rendered_frames) { for (viewpoint_index = 1; viewpoint_index <= nb_viewpoints; viewpoint_index++) { if (rendered_frames[viewpoint_index-1]) gf_free(rendered_frames[viewpoint_index-1]); } gf_free(rendered_frames); } if (output_merged_frame) gf_free(output_merged_frame); */ if (user.modules) gf_modules_del(user.modules); if (needs_raw) gf_cfg_set_key(user.config, "Video", "DriverName", old_driv); gf_cfg_del(user.config); }
GF_Err ISOR_ServiceCommand(GF_InputService *plug, GF_NetworkCommand *com) { Double track_dur, media_dur; ISOMChannel *ch; ISOMReader *read; u32 count, i; if (!plug || !plug->priv || !com) return GF_SERVICE_ERROR; read = (ISOMReader *) plug->priv; if (read->disconnected) return GF_OK; if (com->command_type==GF_NET_SERVICE_INFO) { u32 tag_len; const char *tag; if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_NAME, &tag, &tag_len)==GF_OK) com->info.name = tag; if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_ARTIST, &tag, &tag_len)==GF_OK) com->info.artist = tag; if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_ALBUM, &tag, &tag_len)==GF_OK) com->info.album = tag; if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_COMMENT, &tag, &tag_len)==GF_OK) com->info.comment = tag; if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_TRACK, &tag, &tag_len)==GF_OK) { com->info.track_info = (((tag[2]<<8)|tag[3]) << 16) | ((tag[4]<<8)|tag[5]); } if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_COMPOSER, &tag, &tag_len)==GF_OK) com->info.composer = tag; if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_WRITER, &tag, &tag_len)==GF_OK) com->info.writer = tag; if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_GENRE, &tag, &tag_len)==GF_OK) { if (tag[0]) { com->info.genre = 0; } else { com->info.genre = (tag[0]<<8) | tag[1]; } } return GF_OK; } if (com->command_type==GF_NET_SERVICE_HAS_AUDIO) { u32 i, count; count = gf_isom_get_track_count(read->mov); for (i=0; i<count; i++) { if (gf_isom_get_media_type(read->mov, i+1) == GF_ISOM_MEDIA_AUDIO) return GF_OK; } return GF_NOT_SUPPORTED; } if (com->command_type == GF_NET_SERVICE_QUALITY_SWITCH) { count = gf_list_count(read->channels); for (i = 0; i < count; i++) { ch = (ISOMChannel *)gf_list_get(read->channels, i); if (gf_isom_has_scalable_layer(read->mov)) { ch->next_track = gf_channel_switch_quality(ch, read->mov, com->switch_quality.up); } } return GF_OK; } if (com->command_type == GF_NET_SERVICE_PROXY_DATA_RECEIVE) { isor_flush_data(read, 1, com->proxy_data.is_chunk); return GF_OK; } if (com->command_type == GF_NET_SERVICE_FLUSH_DATA) { if (read->nb_playing && plug->query_proxy) isor_flush_data(read, 0, 0); return GF_OK; } if (com->command_type == GF_NET_SERVICE_CAN_REVERSE_PLAYBACK) return GF_OK; if (!com->base.on_channel) return GF_NOT_SUPPORTED; ch = isor_get_channel(read, com->base.on_channel); if (!ch) return GF_STREAM_NOT_FOUND; switch (com->command_type) { case GF_NET_CHAN_SET_PADDING: if (!ch->track) return GF_OK; gf_isom_set_sample_padding(read->mov, ch->track, com->pad.padding_bytes); return GF_OK; case GF_NET_CHAN_SET_PULL: //we don't pull in DASH base services, we flush as soon as we have a complete segment #ifndef DASH_USE_PULL if (read->input->proxy_udta && !read->input->proxy_type) return GF_NOT_SUPPORTED; #endif ch->is_pulling = 1; return GF_OK; case GF_NET_CHAN_INTERACTIVE: return GF_OK; case GF_NET_CHAN_BUFFER: //dash or HTTP, do rebuffer if not disabled if (plug->query_proxy) { } else if (read->dnload) { ch->buffer_min = com->buffer.min; ch->buffer_max = com->buffer.max; } else { com->buffer.max = com->buffer.min = 0; } return GF_OK; case GF_NET_CHAN_DURATION: if (!ch->track) { com->duration.duration = 0; return GF_OK; } ch->duration = gf_isom_get_track_duration(read->mov, ch->track); track_dur = (Double) (s64) ch->duration; track_dur /= read->time_scale; if (gf_isom_get_edit_segment_count(read->mov, ch->track)) { com->duration.duration = (Double) track_dur; ch->duration = (u32) (track_dur * ch->time_scale); } else { /*some file indicate a wrong TrackDuration, get the longest*/ ch->duration = gf_isom_get_media_duration(read->mov, ch->track); media_dur = (Double) (s64) ch->duration; media_dur /= ch->time_scale; com->duration.duration = MAX(track_dur, media_dur); } return GF_OK; case GF_NET_CHAN_PLAY: gf_mx_p(read->segment_mutex); isor_reset_reader(ch); ch->speed = com->play.speed; read->reset_frag_state = 1; if (read->frag_type) read->frag_type = 1; gf_mx_v(read->segment_mutex); ch->start = ch->end = 0; if (com->play.speed>0) { if (com->play.start_range>=0) { ch->start = (u64) (s64) (com->play.start_range * ch->time_scale); ch->start = check_round(ch, ch->start, com->play.start_range, 1); } if (com->play.end_range >= com->play.start_range) { ch->end = (u64) (s64) (com->play.end_range*ch->time_scale); ch->end = check_round(ch, ch->end, com->play.end_range, 0); } } else if (com->play.speed<0) { Double end = com->play.end_range; if (end==-1) end = 0; ch->start = (u64) (s64) (com->play.start_range * ch->time_scale); if (end <= com->play.start_range) ch->end = (u64) (s64) (end * ch->time_scale); } ch->is_playing = 1; if (com->play.dash_segment_switch) ch->wait_for_segment_switch = 1; GF_LOG(GF_LOG_DEBUG, GF_LOG_NETWORK, ("[IsoMedia] Starting channel playback "LLD" to "LLD" (%g to %g)\n", ch->start, ch->end, com->play.start_range, com->play.end_range)); //and check buffer level on play request isor_check_buffer_level(read); read->nb_playing++; return GF_OK; case GF_NET_CHAN_STOP: if (read->nb_playing) read->nb_playing--; isor_reset_reader(ch); return GF_OK; case GF_NET_CHAN_SET_SPEED: gf_mx_p(read->segment_mutex); ch->speed = com->play.speed; gf_mx_v(read->segment_mutex); return GF_OK; /*nothing to do on MP4 for channel config*/ case GF_NET_CHAN_CONFIG: return GF_OK; case GF_NET_CHAN_GET_PIXEL_AR: return gf_isom_get_pixel_aspect_ratio(read->mov, ch->track, 1, &com->par.hSpacing, &com->par.vSpacing); case GF_NET_CHAN_GET_DSI: { /*it may happen that there are conflicting config when using ESD URLs...*/ GF_DecoderConfig *dcd = gf_isom_get_decoder_config(read->mov, ch->track, 1); com->get_dsi.dsi = NULL; com->get_dsi.dsi_len = 0; if (dcd) { if (dcd->decoderSpecificInfo) { com->get_dsi.dsi = dcd->decoderSpecificInfo->data; com->get_dsi.dsi_len = dcd->decoderSpecificInfo->dataLength; dcd->decoderSpecificInfo->data = NULL; } gf_odf_desc_del((GF_Descriptor *) dcd); } return GF_OK; } case GF_NET_CHAN_NALU_MODE: ch->nalu_extract_mode = GF_ISOM_NALU_EXTRACT_INBAND_PS_FLAG; ch->disable_seek = 1; //when this is set, we work in real scalable (eg N streams reassembled by the player) so only extract the layer. This wll need refinements if we plan to support //several scalable layers ... if (com->nalu_mode.extract_mode==1) { ch->nalu_extract_mode |= GF_ISOM_NALU_EXTRACT_ANNEXB_FLAG | GF_ISOM_NALU_EXTRACT_VDRD_FLAG | GF_ISOM_NALU_EXTRACT_LAYER_ONLY; } gf_isom_set_nalu_extract_mode(ch->owner->mov, ch->track, ch->nalu_extract_mode); break; default: break; } return GF_NOT_SUPPORTED; }
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; char *opt; Bool add_ps_lower = GF_TRUE; ocr_es_id = 0; opt = (char*) gf_modules_get_option((GF_BaseInterface *)read->input, "ISOReader", "DeclareScalableXPS"); if (!opt) { gf_modules_set_option((GF_BaseInterface *)read->input, "ISOReader", "DeclareScalableXPS", "yes"); } else if (!strcmp(opt, "no")) { add_ps_lower = GF_FALSE; } /*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; } /*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); 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; /*FIXME: if we declare only SPS/PPS of the highest layer, we have a problem in decoding even though we have all SPS/PPS inband (OpenSVC bug ?)*/ /*so we add by default the SPS/PPS of the lower layers to this esd*/ if (esd->has_ref_base && add_ps_lower) { u32 count, refIndex, ref_track, num_sps, num_pps, t; GF_AVCConfig *cfg = gf_odf_avc_cfg_read(esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength); GF_AVCConfig *avccfg, *svccfg; count = gf_isom_get_reference_count(read->mov, i+1, GF_ISOM_REF_SCAL); for (refIndex = count; refIndex != 0; refIndex--) { gf_isom_get_reference(read->mov, i+1, GF_ISOM_REF_SCAL, refIndex, &ref_track); avccfg = gf_isom_avc_config_get(read->mov, ref_track, 1); svccfg = gf_isom_svc_config_get(read->mov, ref_track, 1); if (avccfg) { num_sps = gf_list_count(avccfg->sequenceParameterSets); for (t = 0; t < num_sps; t++) { GF_AVCConfigSlot *slc = gf_list_get(avccfg->sequenceParameterSets, t); GF_AVCConfigSlot *sl = (GF_AVCConfigSlot*)gf_malloc(sizeof(GF_AVCConfigSlot)); sl->id = slc->id; sl->size = slc->size; sl->data = (char*)gf_malloc(sizeof(char)*sl->size); memcpy(sl->data, slc->data, sizeof(char)*sl->size); gf_list_insert(cfg->sequenceParameterSets, sl, 0); } num_pps = gf_list_count(avccfg->pictureParameterSets); for (t = 0; t < num_sps; t++) { GF_AVCConfigSlot *slc = gf_list_get(avccfg->pictureParameterSets, t); GF_AVCConfigSlot *sl = (GF_AVCConfigSlot*)gf_malloc(sizeof(GF_AVCConfigSlot)); sl->id = slc->id; sl->size = slc->size; sl->data = (char*)gf_malloc(sizeof(char)*sl->size); memcpy(sl->data, slc->data, sizeof(char)*sl->size); gf_list_insert(cfg->pictureParameterSets, sl, 0); } gf_odf_avc_cfg_del(avccfg); } if (svccfg) { num_sps = gf_list_count(svccfg->sequenceParameterSets); for (t = 0; t < num_sps; t++) { GF_AVCConfigSlot *slc = gf_list_get(svccfg->sequenceParameterSets, t); GF_AVCConfigSlot *sl = (GF_AVCConfigSlot*)gf_malloc(sizeof(GF_AVCConfigSlot)); sl->id = slc->id; sl->size = slc->size; sl->data = (char*)gf_malloc(sizeof(char)*sl->size); memcpy(sl->data, slc->data, sizeof(char)*sl->size); gf_list_insert(cfg->sequenceParameterSets, sl, 0); } num_pps = gf_list_count(svccfg->pictureParameterSets); for (t = 0; t < num_pps; t++) { GF_AVCConfigSlot *slc = gf_list_get(svccfg->pictureParameterSets, t); GF_AVCConfigSlot *sl = (GF_AVCConfigSlot*)gf_malloc(sizeof(GF_AVCConfigSlot)); sl->id = slc->id; sl->size = slc->size; sl->data = (char*)gf_malloc(sizeof(char)*sl->size); memcpy(sl->data, slc->data, sizeof(char)*sl->size); gf_list_insert(cfg->pictureParameterSets, sl, 0); } gf_odf_avc_cfg_del(svccfg); } } if (esd->decoderConfig->decoderSpecificInfo->data) gf_free(esd->decoderConfig->decoderSpecificInfo->data); gf_odf_avc_cfg_write(cfg, &esd->decoderConfig->decoderSpecificInfo->data, &esd->decoderConfig->decoderSpecificInfo->dataLength); gf_odf_avc_cfg_del(cfg); } 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_term_add_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_term_get_service_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_f64_open(szName, "wb"); if (t) { Bool isom_contains_video = GF_FALSE; /*write cover data*/ assert(!(tlen & 0x80000000)); gf_fwrite(tag, tlen & 0x7FFFFFFF, 1, t); 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_term_add_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_term_add_media(read->service, NULL, GF_FALSE); } }
static GF_Err gf_sm_load_run_isom(GF_SceneLoader *load) { GF_Err e; FILE *logs; u32 i, j, di, nbBifs, nbLaser, nb_samp, samp_done, init_offset; GF_StreamContext *sc; GF_ESD *esd; GF_ODCodec *od_dec; #ifndef GPAC_DISABLE_BIFS GF_BifsDecoder *bifs_dec; #endif #ifndef GPAC_DISABLE_LASER GF_LASeRCodec *lsr_dec; #endif if (!load || !load->isom) return GF_BAD_PARAM; nbBifs = nbLaser = 0; e = GF_OK; #ifndef GPAC_DISABLE_BIFS bifs_dec = gf_bifs_decoder_new(load->scene_graph, 1); gf_bifs_decoder_set_extraction_path(bifs_dec, load->localPath, load->fileName); #endif od_dec = gf_odf_codec_new(); logs = NULL; #ifndef GPAC_DISABLE_LASER lsr_dec = gf_laser_decoder_new(load->scene_graph); #endif esd = NULL; /*load each stream*/ nb_samp = 0; for (i=0; i<gf_isom_get_track_count(load->isom); i++) { u32 type = gf_isom_get_media_type(load->isom, i+1); switch (type) { case GF_ISOM_MEDIA_SCENE: case GF_ISOM_MEDIA_OD: nb_samp += gf_isom_get_sample_count(load->isom, i+1); break; default: break; } } samp_done = 1; gf_isom_text_set_streaming_mode(load->isom, 1); for (i=0; i<gf_isom_get_track_count(load->isom); i++) { u32 type = gf_isom_get_media_type(load->isom, i+1); switch (type) { case GF_ISOM_MEDIA_SCENE: case GF_ISOM_MEDIA_OD: break; default: continue; } esd = gf_isom_get_esd(load->isom, i+1, 1); if (!esd) continue; if ((esd->decoderConfig->objectTypeIndication == GPAC_OTI_SCENE_AFX) || (esd->decoderConfig->objectTypeIndication == GPAC_OTI_SCENE_SYNTHESIZED_TEXTURE) ) { nb_samp += gf_isom_get_sample_count(load->isom, i+1); continue; } sc = gf_sm_stream_new(load->ctx, esd->ESID, esd->decoderConfig->streamType, esd->decoderConfig->objectTypeIndication); sc->streamType = esd->decoderConfig->streamType; sc->ESID = esd->ESID; sc->objectType = esd->decoderConfig->objectTypeIndication; sc->timeScale = gf_isom_get_media_timescale(load->isom, i+1); /*we still need to reconfig the BIFS*/ if (esd->decoderConfig->streamType==GF_STREAM_SCENE) { #ifndef GPAC_DISABLE_BIFS /*BIFS*/ if (esd->decoderConfig->objectTypeIndication<=2) { if (!esd->dependsOnESID && nbBifs && !i) mp4_report(load, GF_OK, "several scene namespaces used or improper scene dependencies in file - import may be incorrect"); if (!esd->decoderConfig->decoderSpecificInfo) { /* Hack for T-DMB non compliant streams */ e = gf_bifs_decoder_configure_stream(bifs_dec, esd->ESID, NULL, 0, esd->decoderConfig->objectTypeIndication); } else { e = gf_bifs_decoder_configure_stream(bifs_dec, esd->ESID, esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength, esd->decoderConfig->objectTypeIndication); } if (e) goto exit; nbBifs++; } #endif #ifndef GPAC_DISABLE_LASER /*LASER*/ if (esd->decoderConfig->objectTypeIndication==0x09) { if (!esd->dependsOnESID && nbBifs && !i) mp4_report(load, GF_OK, "several scene namespaces used or improper scene dependencies in file - import may be incorrect"); e = gf_laser_decoder_configure_stream(lsr_dec, esd->ESID, esd->decoderConfig->decoderSpecificInfo->data, esd->decoderConfig->decoderSpecificInfo->dataLength); if (e) goto exit; nbLaser++; } #endif } init_offset = 0; /*dump all AUs*/ for (j=0; j<gf_isom_get_sample_count(load->isom, i+1); j++) { GF_AUContext *au; GF_ISOSample *samp = gf_isom_get_sample(load->isom, i+1, j+1, &di); if (!samp) { mp4_report(load, gf_isom_last_error(load->isom), "Unable to fetch sample %d from track ID %d - aborting track import", j+1, gf_isom_get_track_id(load->isom, i+1)); break; } /*check if track has initial offset*/ if (!j && gf_isom_get_edit_segment_count(load->isom, i+1)) { u64 EditTime, dur, mtime; u8 mode; gf_isom_get_edit_segment(load->isom, i+1, 1, &EditTime, &dur, &mtime, &mode); if (mode==GF_ISOM_EDIT_EMPTY) { init_offset = (u32) (dur * sc->timeScale / gf_isom_get_timescale(load->isom) ); } } samp->DTS += init_offset; au = gf_sm_stream_au_new(sc, samp->DTS, ((Double)(s64) samp->DTS) / sc->timeScale, (samp->IsRAP==RAP) ? 1 : 0); if (esd->decoderConfig->streamType==GF_STREAM_SCENE) { #ifndef GPAC_DISABLE_BIFS if (esd->decoderConfig->objectTypeIndication<=2) e = gf_bifs_decode_command_list(bifs_dec, esd->ESID, samp->data, samp->dataLength, au->commands); #endif #ifndef GPAC_DISABLE_LASER if (esd->decoderConfig->objectTypeIndication==0x09) e = gf_laser_decode_command_list(lsr_dec, esd->ESID, samp->data, samp->dataLength, au->commands); #endif } else { e = gf_odf_codec_set_au(od_dec, samp->data, samp->dataLength); if (!e) e = gf_odf_codec_decode(od_dec); if (!e) { while (1) { GF_ODCom *odc = gf_odf_codec_get_com(od_dec); if (!odc) break; /*update ESDs if any*/ UpdateODCommand(load->isom, odc); gf_list_add(au->commands, odc); } } } gf_isom_sample_del(&samp); if (e) { mp4_report(load, gf_isom_last_error(load->isom), "decoding sample %d from track ID %d failed", j+1, gf_isom_get_track_id(load->isom, i+1)); goto exit; } samp_done++; gf_set_progress("MP4 Loading", samp_done, nb_samp); } gf_odf_desc_del((GF_Descriptor *) esd); esd = NULL; } gf_isom_text_set_streaming_mode(load->isom, 0); exit: #ifndef GPAC_DISABLE_BIFS gf_bifs_decoder_del(bifs_dec); #endif gf_odf_codec_del(od_dec); #ifndef GPAC_DISABLE_LASER gf_laser_decoder_del(lsr_dec); #endif if (esd) gf_odf_desc_del((GF_Descriptor *) esd); if (logs) gf_fclose(logs); return e; }
GF_Err ISOR_ServiceCommand(GF_InputService *plug, GF_NetworkCommand *com) { Double track_dur, media_dur; ISOMChannel *ch; ISOMReader *read; if (!plug || !plug->priv || !com) return GF_SERVICE_ERROR; read = (ISOMReader *) plug->priv; if (com->command_type==GF_NET_SERVICE_INFO) { u32 tag_len; const char *tag; if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_NAME, &tag, &tag_len)==GF_OK) com->info.name = tag; if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_ARTIST, &tag, &tag_len)==GF_OK) com->info.artist = tag; if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_ALBUM, &tag, &tag_len)==GF_OK) com->info.album = tag; if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_COMMENT, &tag, &tag_len)==GF_OK) com->info.comment = tag; if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_TRACK, &tag, &tag_len)==GF_OK) { com->info.track_info = (((tag[2]<<8)|tag[3]) << 16) | ((tag[4]<<8)|tag[5]); } if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_COMPOSER, &tag, &tag_len)==GF_OK) com->info.composer = tag; if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_WRITER, &tag, &tag_len)==GF_OK) com->info.writer = tag; if (gf_isom_apple_get_tag(read->mov, GF_ISOM_ITUNE_GENRE, &tag, &tag_len)==GF_OK) { if (tag[0]) { com->info.genre = 0; } else { com->info.genre = (tag[0]<<8) | tag[1]; } } return GF_OK; } if (com->command_type==GF_NET_SERVICE_HAS_AUDIO) { u32 i, count; count = gf_isom_get_track_count(read->mov); for (i=0; i<count; i++) { if (gf_isom_get_media_type(read->mov, i+1) == GF_ISOM_MEDIA_AUDIO) return GF_OK; } return GF_NOT_SUPPORTED; } if (!com->base.on_channel) return GF_NOT_SUPPORTED; ch = isor_get_channel(read, com->base.on_channel); if (!ch) return GF_STREAM_NOT_FOUND; switch (com->command_type) { case GF_NET_CHAN_SET_PADDING: if (!ch->track) return GF_OK; gf_isom_set_sample_padding(read->mov, ch->track, com->pad.padding_bytes); return GF_OK; case GF_NET_CHAN_SET_PULL: ch->is_pulling = 1; return GF_OK; case GF_NET_CHAN_INTERACTIVE: return GF_OK; case GF_NET_CHAN_BUFFER: com->buffer.max = com->buffer.min = 0; return GF_OK; case GF_NET_CHAN_DURATION: if (!ch->track) { com->duration.duration = 0; return GF_OK; } ch->duration = gf_isom_get_track_duration(read->mov, ch->track); track_dur = (Double) (s64) ch->duration; track_dur /= read->time_scale; if (gf_isom_get_edit_segment_count(read->mov, ch->track)) { com->duration.duration = (Double) track_dur; ch->duration = (u32) (track_dur * ch->time_scale); } else { /*some file indicate a wrong TrackDuration, get the longest*/ ch->duration = gf_isom_get_media_duration(read->mov, ch->track); media_dur = (Double) (s64) ch->duration; media_dur /= ch->time_scale; com->duration.duration = MAX(track_dur, media_dur); } return GF_OK; case GF_NET_CHAN_PLAY: if (!ch->is_pulling) return GF_NOT_SUPPORTED; assert(!ch->is_playing); isor_reset_reader(ch); ch->speed = com->play.speed; ch->start = ch->end = 0; if (com->play.speed>0) { if (com->play.start_range>=0) { ch->start = (u64) (s64) (com->play.start_range * ch->time_scale); ch->start = check_round(ch, ch->start, com->play.start_range, 1); } if (com->play.end_range >= com->play.start_range) { ch->end = (u64) (s64) (com->play.end_range*ch->time_scale); ch->end = check_round(ch, ch->end, com->play.end_range, 0); } } else if (com->play.speed<0) { if (com->play.end_range>=com->play.start_range) ch->start = (u64) (s64) (com->play.start_range * ch->time_scale); if (com->play.end_range >= 0) ch->end = (u64) (s64) (com->play.end_range*ch->time_scale); } ch->is_playing = 1; if (com->play.dash_segment_switch) ch->wait_for_segment_switch = 1; GF_LOG(GF_LOG_DEBUG, GF_LOG_NETWORK, ("[IsoMedia] Starting channel playback "LLD" to "LLD" (%g to %g)\n", ch->start, ch->end, com->play.start_range, com->play.end_range)); return GF_OK; case GF_NET_CHAN_STOP: isor_reset_reader(ch); return GF_OK; /*nothing to do on MP4 for channel config*/ case GF_NET_CHAN_CONFIG: return GF_OK; case GF_NET_CHAN_GET_PIXEL_AR: return gf_isom_get_pixel_aspect_ratio(read->mov, ch->track, 1, &com->par.hSpacing, &com->par.vSpacing); case GF_NET_CHAN_GET_DSI: { /*it may happen that there are conflicting config when using ESD URLs...*/ GF_DecoderConfig *dcd = gf_isom_get_decoder_config(read->mov, ch->track, 1); com->get_dsi.dsi = NULL; com->get_dsi.dsi_len = 0; if (dcd) { if (dcd->decoderSpecificInfo) { com->get_dsi.dsi = dcd->decoderSpecificInfo->data; com->get_dsi.dsi_len = dcd->decoderSpecificInfo->dataLength; dcd->decoderSpecificInfo->data = NULL; } gf_odf_desc_del((GF_Descriptor *) dcd); } } return GF_OK; } return GF_NOT_SUPPORTED; }
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; }
/*fixme, this doesn't work properly with respect to @expect_type*/ static GF_Descriptor *ISOR_GetServiceDesc(GF_InputService *plug, u32 expect_type, const char *sub_url) { u32 count, nb_st, i, trackID; GF_ESD *esd; ISOMReader *read; GF_InitialObjectDescriptor *iod; if (!plug || !plug->priv) return NULL; read = (ISOMReader *) plug->priv; if (!read->mov) return NULL; /*no matter what always read text as TTUs*/ gf_isom_text_set_streaming_mode(read->mov, 1); trackID = 0; if (!sub_url) { trackID = read->base_track_id; read->base_track_id = 0; } else { char *ext = strrchr(sub_url, '#'); if (!ext) { trackID = 0; } else { if (!strnicmp(ext, "#trackID=", 9)) trackID = atoi(ext+9); else if (!stricmp(ext, "#video")) trackID = get_track_id(read->mov, GF_ISOM_MEDIA_VISUAL, 0); else if (!strnicmp(ext, "#video", 6)) { trackID = atoi(ext+6); trackID = get_track_id(read->mov, GF_ISOM_MEDIA_VISUAL, trackID); } else if (!stricmp(ext, "#audio")) trackID = get_track_id(read->mov, GF_ISOM_MEDIA_AUDIO, 0); else if (!strnicmp(ext, "#audio", 6)) { trackID = atoi(ext+6); trackID = get_track_id(read->mov, GF_ISOM_MEDIA_AUDIO, trackID); } else trackID = atoi(ext+1); /*if trackID is 0, assume this is a fragment identifier*/ } } if (!trackID && (expect_type!=GF_MEDIA_OBJECT_SCENE) && (expect_type!=GF_MEDIA_OBJECT_UNDEF)) { for (i=0; i<gf_isom_get_track_count(read->mov); i++) { u32 type = gf_isom_get_media_type(read->mov, i+1); if ( ((type==GF_ISOM_MEDIA_VISUAL) && (expect_type==GF_MEDIA_OBJECT_VIDEO)) || ((type==GF_ISOM_MEDIA_AUDIO) && (expect_type==GF_MEDIA_OBJECT_AUDIO)) ) { trackID = gf_isom_get_track_id(read->mov, i+1); break; } } } if (trackID && (expect_type!=GF_MEDIA_OBJECT_SCENE) ) { u32 track = gf_isom_get_track_by_id(read->mov, trackID); if (!track) return NULL; esd = gf_media_map_esd(read->mov, track); esd->OCRESID = 0; iod = (GF_InitialObjectDescriptor *) gf_isom_get_root_od(read->mov); if (!iod) { iod = (GF_InitialObjectDescriptor *) gf_odf_desc_new(GF_ODF_IOD_TAG); iod->OD_profileAndLevel = iod->audio_profileAndLevel = iod->graphics_profileAndLevel = iod->scene_profileAndLevel = iod->visual_profileAndLevel = 0xFE; } else { while (gf_list_count(iod->ESDescriptors)) { GF_ESD *old = (GF_ESD *)gf_list_get(iod->ESDescriptors, 0); gf_odf_desc_del((GF_Descriptor *) old); gf_list_rem(iod->ESDescriptors, 0); } } gf_list_add(iod->ESDescriptors, esd); isor_emulate_chapters(read->mov, iod); return (GF_Descriptor *) iod; } iod = NULL; if (check_mpeg4_systems(plug, read->mov)) { iod = (GF_InitialObjectDescriptor *) gf_isom_get_root_od(read->mov); if (!iod) { #ifndef GPAC_DISABLE_LOG GF_Err e = gf_isom_last_error(read->mov); if (e) { GF_LOG(GF_LOG_ERROR, GF_LOG_NETWORK, ("[IsoMedia] Cannot fetch MPEG-4 IOD (error %s) - generating one\n", gf_error_to_string(e) )); } else { GF_LOG(GF_LOG_DEBUG, GF_LOG_NETWORK, ("[IsoMedia] No MPEG-4 IOD found in file - generating one\n")); } #endif } } if (!iod) return isor_emulate_iod(read); count = gf_list_count(iod->ESDescriptors); if (!count) { gf_odf_desc_del((GF_Descriptor*) iod); return isor_emulate_iod(read); } if (count==1) { esd = (GF_ESD *)gf_list_get(iod->ESDescriptors, 0); switch (esd->decoderConfig->streamType) { case GF_STREAM_SCENE: case GF_STREAM_PRIVATE_SCENE: break; case GF_STREAM_VISUAL: if (expect_type!=GF_MEDIA_OBJECT_VIDEO) { gf_odf_desc_del((GF_Descriptor*) iod); return isor_emulate_iod(read); } break; case GF_STREAM_AUDIO: /*we need a fake scene graph*/ if (expect_type!=GF_MEDIA_OBJECT_AUDIO) { gf_odf_desc_del((GF_Descriptor*) iod); return isor_emulate_iod(read); } break; default: gf_odf_desc_del((GF_Descriptor*) iod); return NULL; } } /*check IOD is not badly formed (eg mixing audio, video or text streams)*/ nb_st = 0; for (i=0; i<count; i++) { esd = (GF_ESD *)gf_list_get(iod->ESDescriptors, i); switch (esd->decoderConfig->streamType) { case GF_STREAM_VISUAL: nb_st |= 1; break; case GF_STREAM_AUDIO: nb_st |= 2; break; case GF_STREAM_TEXT: nb_st |= 4; break; } } if ( (nb_st & 1) + (nb_st & 2) + (nb_st & 4) > 1) { gf_odf_desc_del((GF_Descriptor*) iod); return isor_emulate_iod(read); } isor_emulate_chapters(read->mov, iod); return (GF_Descriptor *) iod; }
GF_EXPORT GF_Err gf_hinter_finalize(GF_ISOFile *file, u32 IOD_Profile, u32 bandwidth) { u32 i, sceneT, odT, descIndex, size, size64; GF_InitialObjectDescriptor *iod; GF_SLConfig slc; GF_ESD *esd; GF_ISOSample *samp; Bool remove_ocr; char *buffer; char buf64[5000], sdpLine[2300]; gf_isom_sdp_clean(file); if (bandwidth) { sprintf(buf64, "b=AS:%d", bandwidth); gf_isom_sdp_add_line(file, buf64); } //xtended attribute for copyright sprintf(buf64, "a=x-copyright: %s", "MP4/3GP File hinted with GPAC " GPAC_FULL_VERSION " (C)2000-2005 - http://gpac.sourceforge.net"); gf_isom_sdp_add_line(file, buf64); if (IOD_Profile == GF_SDP_IOD_NONE) return GF_OK; odT = sceneT = 0; for (i=0; i<gf_isom_get_track_count(file); i++) { if (!gf_isom_is_track_in_root_od(file, i+1)) continue; switch (gf_isom_get_media_type(file,i+1)) { case GF_ISOM_MEDIA_OD: odT = i+1; break; case GF_ISOM_MEDIA_SCENE: sceneT = i+1; break; } } remove_ocr = 0; if (IOD_Profile == GF_SDP_IOD_ISMA_STRICT) { IOD_Profile = GF_SDP_IOD_ISMA; remove_ocr = 1; } /*if we want ISMA like iods, we need at least BIFS */ if ( (IOD_Profile == GF_SDP_IOD_ISMA) && !sceneT ) return GF_BAD_PARAM; /*do NOT change PLs, we assume they are correct*/ iod = (GF_InitialObjectDescriptor *) gf_isom_get_root_od(file); if (!iod) return GF_NOT_SUPPORTED; /*rewrite an IOD with good SL config - embbed data if possible*/ if (IOD_Profile == GF_SDP_IOD_ISMA) { Bool is_ok = 1; while (gf_list_count(iod->ESDescriptors)) { esd = (GF_ESD*)gf_list_get(iod->ESDescriptors, 0); gf_odf_desc_del((GF_Descriptor *) esd); gf_list_rem(iod->ESDescriptors, 0); } /*get OD esd, and embbed stream data if possible*/ if (odT) { esd = gf_isom_get_esd(file, odT, 1); if (gf_isom_get_sample_count(file, odT)==1) { samp = gf_isom_get_sample(file, odT, 1, &descIndex); if (gf_hinter_can_embbed_data(samp->data, samp->dataLength, GF_STREAM_OD)) { InitSL_NULL(&slc); slc.predefined = 0; slc.hasRandomAccessUnitsOnlyFlag = 1; slc.timeScale = slc.timestampResolution = gf_isom_get_media_timescale(file, odT); slc.OCRResolution = 1000; slc.startCTS = samp->DTS+samp->CTS_Offset; slc.startDTS = samp->DTS; //set the SL for future extraction gf_isom_set_extraction_slc(file, odT, 1, &slc); size64 = gf_base64_encode(samp->data, samp->dataLength, buf64, 2000); buf64[size64] = 0; sprintf(sdpLine, "data:application/mpeg4-od-au;base64,%s", buf64); esd->decoderConfig->avgBitrate = 0; esd->decoderConfig->bufferSizeDB = samp->dataLength; esd->decoderConfig->maxBitrate = 0; size64 = strlen(sdpLine)+1; esd->URLString = (char*)gf_malloc(sizeof(char) * size64); strcpy(esd->URLString, sdpLine); } else { GF_LOG(GF_LOG_WARNING, GF_LOG_RTP, ("[rtp hinter] OD sample too large to be embedded in IOD - ISMA disabled\n")); is_ok = 0; } gf_isom_sample_del(&samp); } if (remove_ocr) esd->OCRESID = 0; else if (esd->OCRESID == esd->ESID) esd->OCRESID = 0; //OK, add this to our IOD gf_list_add(iod->ESDescriptors, esd); } esd = gf_isom_get_esd(file, sceneT, 1); if (gf_isom_get_sample_count(file, sceneT)==1) { samp = gf_isom_get_sample(file, sceneT, 1, &descIndex); if (gf_hinter_can_embbed_data(samp->data, samp->dataLength, GF_STREAM_SCENE)) { slc.timeScale = slc.timestampResolution = gf_isom_get_media_timescale(file, sceneT); slc.OCRResolution = 1000; slc.startCTS = samp->DTS+samp->CTS_Offset; slc.startDTS = samp->DTS; //set the SL for future extraction gf_isom_set_extraction_slc(file, sceneT, 1, &slc); //encode in Base64 the sample size64 = gf_base64_encode(samp->data, samp->dataLength, buf64, 2000); buf64[size64] = 0; sprintf(sdpLine, "data:application/mpeg4-bifs-au;base64,%s", buf64); esd->decoderConfig->avgBitrate = 0; esd->decoderConfig->bufferSizeDB = samp->dataLength; esd->decoderConfig->maxBitrate = 0; esd->URLString = (char*)gf_malloc(sizeof(char) * (strlen(sdpLine)+1)); strcpy(esd->URLString, sdpLine); } else { GF_LOG(GF_LOG_ERROR, GF_LOG_RTP, ("[rtp hinter] Scene description sample too large to be embedded in IOD - ISMA disabled\n")); is_ok = 0; } gf_isom_sample_del(&samp); } if (remove_ocr) esd->OCRESID = 0; else if (esd->OCRESID == esd->ESID) esd->OCRESID = 0; gf_list_add(iod->ESDescriptors, esd); if (is_ok) { u32 has_a, has_v, has_i_a, has_i_v; has_a = has_v = has_i_a = has_i_v = 0; for (i=0; i<gf_isom_get_track_count(file); i++) { esd = gf_isom_get_esd(file, i+1, 1); if (!esd) continue; if (esd->decoderConfig->streamType==GF_STREAM_VISUAL) { if (esd->decoderConfig->objectTypeIndication==GPAC_OTI_VIDEO_MPEG4_PART2) has_i_v ++; else has_v++; } else if (esd->decoderConfig->streamType==GF_STREAM_AUDIO) { if (esd->decoderConfig->objectTypeIndication==GPAC_OTI_AUDIO_AAC_MPEG4) has_i_a ++; else has_a++; } gf_odf_desc_del((GF_Descriptor *)esd); } /*only 1 MPEG-4 visual max and 1 MPEG-4 audio max for ISMA compliancy*/ if (!has_v && !has_a && (has_i_v<=1) && (has_i_a<=1)) { sprintf(sdpLine, "a=isma-compliance:1,1.0,1"); gf_isom_sdp_add_line(file, sdpLine); } } } //encode the IOD buffer = NULL; size = 0; gf_odf_desc_write((GF_Descriptor *) iod, &buffer, &size); gf_odf_desc_del((GF_Descriptor *)iod); //encode in Base64 the iod size64 = gf_base64_encode(buffer, size, buf64, 2000); buf64[size64] = 0; gf_free(buffer); sprintf(sdpLine, "a=mpeg4-iod:\"data:application/mpeg4-iod;base64,%s\"", buf64); gf_isom_sdp_add_line(file, sdpLine); return GF_OK; }
GF_Err gf_sm_load_init_isom(GF_SceneLoader *load) { u32 i; GF_BIFSConfig *bc; GF_ESD *esd; GF_Err e; char *scene_msg = "MPEG-4 BIFS Scene Parsing"; if (!load->isom) return GF_BAD_PARAM; /*load IOD*/ load->ctx->root_od = (GF_ObjectDescriptor *) gf_isom_get_root_od(load->isom); if (!load->ctx->root_od) { e = gf_isom_last_error(load->isom); if (e) return e; } else if ((load->ctx->root_od->tag != GF_ODF_OD_TAG) && (load->ctx->root_od->tag != GF_ODF_IOD_TAG)) { gf_odf_desc_del((GF_Descriptor *) load->ctx->root_od); load->ctx->root_od = NULL; } esd = NULL; /*get root scene stream*/ for (i=0; i<gf_isom_get_track_count(load->isom); i++) { u32 type = gf_isom_get_media_type(load->isom, i+1); if (type != GF_ISOM_MEDIA_SCENE) continue; if (! gf_isom_is_track_in_root_od(load->isom, i+1) ) continue; esd = gf_isom_get_esd(load->isom, i+1, 1); if (esd && esd->URLString) { gf_odf_desc_del((GF_Descriptor *)esd); esd = NULL; continue; } /*make sure we load the root BIFS stream first*/ if (esd && esd->dependsOnESID && (esd->dependsOnESID!=esd->ESID) ) { u32 track = gf_isom_get_track_by_id(load->isom, esd->dependsOnESID); if (gf_isom_get_media_type(load->isom, track) != GF_ISOM_MEDIA_OD) { gf_odf_desc_del((GF_Descriptor *)esd); esd = NULL; continue; } } if (esd->decoderConfig->objectTypeIndication==0x09) scene_msg = "MPEG-4 LASeR Scene Parsing"; break; } if (!esd) return GF_OK; e = GF_OK; GF_LOG(GF_LOG_INFO, GF_LOG_PARSER, ("%s\n", scene_msg)); /*BIFS: update size & pixel metrics info*/ if (esd->decoderConfig->objectTypeIndication<=2) { bc = gf_odf_get_bifs_config(esd->decoderConfig->decoderSpecificInfo, esd->decoderConfig->objectTypeIndication); if (!bc->elementaryMasks && bc->pixelWidth && bc->pixelHeight) { load->ctx->scene_width = bc->pixelWidth; load->ctx->scene_height = bc->pixelHeight; load->ctx->is_pixel_metrics = bc->pixelMetrics; } gf_odf_desc_del((GF_Descriptor *) bc); /*note we don't load the first BIFS AU to avoid storing the BIFS decoder, needed to properly handle quantization*/ } /*LASeR*/ else if (esd->decoderConfig->objectTypeIndication==0x09) { load->ctx->is_pixel_metrics = 1; } gf_odf_desc_del((GF_Descriptor *) esd); esd = NULL; load->process = gf_sm_load_run_isom; load->done = gf_sm_load_done_isom; load->suspend = gf_sm_isom_suspend; 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); } }
/* Rewrite mode: * mode = 0: playback * mode = 1: streaming */ GF_Err gf_isom_nalu_sample_rewrite(GF_MediaBox *mdia, GF_ISOSample *sample, u32 sampleNumber, GF_MPEGVisualSampleEntryBox *entry) { Bool is_hevc = 0; GF_Err e = GF_OK; GF_ISOSample *ref_samp; GF_BitStream *src_bs, *ref_bs, *dst_bs; u64 offset; u32 ref_nalu_size, data_offset, data_length, copy_size, nal_size, max_size, di, nal_unit_size_field, cur_extract_mode, extractor_mode; Bool rewrite_ps, rewrite_start_codes; u8 ref_track_ID, ref_track_num; s8 sample_offset, nal_type; u32 nal_hdr; char *buffer; GF_ISOFile *file = mdia->mediaTrack->moov->mov; src_bs = ref_bs = dst_bs = NULL; ref_samp = NULL; buffer = NULL; rewrite_ps = (mdia->mediaTrack->extractor_mode & GF_ISOM_NALU_EXTRACT_INBAND_PS_FLAG) ? 1 : 0; if (! sample->IsRAP) rewrite_ps = 0; rewrite_start_codes = (mdia->mediaTrack->extractor_mode & GF_ISOM_NALU_EXTRACT_ANNEXB_FLAG) ? 1 : 0; extractor_mode = mdia->mediaTrack->extractor_mode&0x0000FFFF; if (extractor_mode == GF_ISOM_NALU_EXTRACT_INSPECT) { if (!rewrite_ps && !rewrite_start_codes) return GF_OK; } if (!entry) return GF_BAD_PARAM; nal_unit_size_field = 0; /*if svc rewrire*/ if (entry->svc_config && entry->svc_config->config) nal_unit_size_field = entry->svc_config->config->nal_unit_size; /*if mvc rewrire*/ /*otherwise do nothing*/ else if (!rewrite_ps && !rewrite_start_codes) { return GF_OK; } if (!nal_unit_size_field) { if (entry->avc_config) nal_unit_size_field = entry->avc_config->config->nal_unit_size; else if (entry->hevc_config) { nal_unit_size_field = entry->hevc_config->config->nal_unit_size; is_hevc = 1; } } if (!nal_unit_size_field) return GF_ISOM_INVALID_FILE; dst_bs = gf_bs_new(NULL, 0, GF_BITSTREAM_WRITE); src_bs = gf_bs_new(sample->data, sample->dataLength, GF_BITSTREAM_READ); max_size = 4096; /*rewrite start code with NALU delim*/ if (rewrite_start_codes) { gf_bs_write_int(dst_bs, 1, 32); if (is_hevc) { gf_bs_write_int(dst_bs, 0, 1); gf_bs_write_int(dst_bs, GF_HEVC_NALU_ACCESS_UNIT, 6); gf_bs_write_int(dst_bs, 0, 9); /*pic-type - by default we signal all slice types possible*/ gf_bs_write_int(dst_bs, 2, 3); gf_bs_write_int(dst_bs, 0, 5); } else { gf_bs_write_int(dst_bs, (sample->data[0] & 0x60) | GF_AVC_NALU_ACCESS_UNIT, 8); gf_bs_write_int(dst_bs, 0xF0 , 8); /*7 "all supported NALUs" (=111) + rbsp trailing (10000)*/; } } if (rewrite_ps) { if (is_hevc) { u32 i, count; count = gf_list_count(entry->hevc_config->config->param_array); for (i=0; i<count; i++) { GF_HEVCParamArray *ar = gf_list_get(entry->hevc_config->config->param_array, i); rewrite_nalus_list(ar->nalus, dst_bs, rewrite_start_codes, nal_unit_size_field); } /*little optimization if we are not asked to start codes: copy over the sample*/ if (!rewrite_start_codes) { gf_bs_write_data(dst_bs, sample->data, sample->dataLength); gf_free(sample->data); sample->data = NULL; gf_bs_get_content(dst_bs, &sample->data, &sample->dataLength); gf_bs_del(src_bs); gf_bs_del(dst_bs); return GF_OK; } } else { /*this is an SVC track: get all SPS/PPS from this track down to the base layer and rewrite them*/ if (mdia->mediaTrack->has_base_layer) { u32 j; GF_List *nalu_sps = gf_list_new(); GF_List *nalu_pps = gf_list_new(); GF_TrackReferenceTypeBox *dpnd = NULL; Track_FindRef(mdia->mediaTrack, GF_ISOM_REF_SCAL, &dpnd); #if 0 /*get all upper layers with SCAL reference to this track*/ for (j = 0; j < gf_isom_get_track_count(file); j++) { if (gf_isom_has_track_reference(file, j+1, GF_ISOM_REF_SCAL, mdia->mediaTrack->Header->trackID)) { u32 tkID; GF_TrackBox *base_track; GF_MPEGVisualSampleEntryBox *base_entry; gf_isom_get_reference_ID(file, j+1, GF_ISOM_REF_SCAL, 1, &tkID); base_track = GetTrackbyID(mdia->mediaTrack->moov, tkID); base_entry = base_track ? gf_list_get(base_track->Media->information->sampleTable->SampleDescription->other_boxes, 0) : NULL; if (base_entry) merge_nalus(base_entry, nalu_sps, nalu_pps); } } #endif merge_nalus(entry, nalu_sps, nalu_pps); if (dpnd) { for (j=0; j<dpnd->trackIDCount; j++) { GF_TrackBox *base_track = GetTrackbyID(mdia->mediaTrack->moov, dpnd->trackIDs[j]); GF_MPEGVisualSampleEntryBox *base_entry = base_track ? gf_list_get(base_track->Media->information->sampleTable->SampleDescription->other_boxes, 0) : NULL; if (base_entry) merge_nalus(base_entry, nalu_sps, nalu_pps); } } //rewrite nalus rewrite_nalus_list(nalu_sps, dst_bs, rewrite_start_codes, nal_unit_size_field); rewrite_nalus_list(nalu_pps, dst_bs, rewrite_start_codes, nal_unit_size_field); gf_list_del(nalu_sps); gf_list_del(nalu_pps); } else { if (entry->avc_config) { rewrite_nalus_list(entry->avc_config->config->sequenceParameterSets, dst_bs, rewrite_start_codes, nal_unit_size_field); rewrite_nalus_list(entry->avc_config->config->pictureParameterSets, dst_bs, rewrite_start_codes, nal_unit_size_field); rewrite_nalus_list(entry->avc_config->config->sequenceParameterSetExtensions, dst_bs, rewrite_start_codes, nal_unit_size_field); } /*add svc config */ if (entry->svc_config) { rewrite_nalus_list(entry->svc_config->config->sequenceParameterSets, dst_bs, rewrite_start_codes, nal_unit_size_field); rewrite_nalus_list(entry->svc_config->config->pictureParameterSets, dst_bs, rewrite_start_codes, nal_unit_size_field); } /*little optimization if we are not asked to rewrite extractors or start codes: copy over the sample*/ if (!entry->svc_config && !rewrite_start_codes) { gf_bs_write_data(dst_bs, sample->data, sample->dataLength); gf_free(sample->data); sample->data = NULL; gf_bs_get_content(dst_bs, &sample->data, &sample->dataLength); gf_bs_del(src_bs); gf_bs_del(dst_bs); return GF_OK; } } } } buffer = (char *)gf_malloc(sizeof(char)*max_size); while (gf_bs_available(src_bs)) { nal_size = gf_bs_read_int(src_bs, 8*nal_unit_size_field); if (nal_size>max_size) { buffer = (char*) gf_realloc(buffer, sizeof(char)*nal_size); max_size = nal_size; } if (is_hevc) { nal_hdr = gf_bs_read_u16(src_bs); nal_type = (nal_hdr&0x7E00) >> 9; } else { nal_hdr = gf_bs_read_u8(src_bs); nal_type = nal_hdr & 0x1F; } if (is_hevc) { /*we already wrote this stuff*/ if (nal_type==GF_HEVC_NALU_ACCESS_UNIT) { gf_bs_skip_bytes(src_bs, nal_size-2); continue; } /*rewrite nal*/ gf_bs_read_data(src_bs, buffer, nal_size-2); if (rewrite_start_codes) gf_bs_write_u32(dst_bs, 1); else gf_bs_write_int(dst_bs, nal_size, 8*nal_unit_size_field); gf_bs_write_u16(dst_bs, nal_hdr); gf_bs_write_data(dst_bs, buffer, nal_size-2); continue; } /*we already wrote this stuff*/ if (nal_type==GF_AVC_NALU_ACCESS_UNIT) { gf_bs_skip_bytes(src_bs, nal_size-1); continue; } //extractor if (nal_type == 31) { switch (extractor_mode) { case 0: gf_bs_read_int(src_bs, 24); //3 bytes of NALUHeader in extractor ref_track_ID = gf_bs_read_u8(src_bs); sample_offset = (s8) gf_bs_read_int(src_bs, 8); data_offset = gf_bs_read_u32(src_bs); data_length = gf_bs_read_u32(src_bs); ref_track_num = gf_isom_get_track_by_id(file, ref_track_ID); if (!ref_track_num) { e = GF_BAD_PARAM; goto exit; } cur_extract_mode = gf_isom_get_nalu_extract_mode(file, ref_track_num); gf_isom_set_nalu_extract_mode(file, ref_track_num, GF_ISOM_NALU_EXTRACT_INSPECT); ref_samp = gf_isom_get_sample(file, ref_track_num, sampleNumber+sample_offset, &di); if (!ref_samp) { e = GF_IO_ERR; goto exit; } ref_bs = gf_bs_new(ref_samp->data, ref_samp->dataLength, GF_BITSTREAM_READ); offset = 0; while (gf_bs_available(ref_bs)) { if (gf_bs_get_position(ref_bs) < data_offset) { ref_nalu_size = gf_bs_read_int(ref_bs, 8*nal_unit_size_field); offset += ref_nalu_size + nal_unit_size_field; if ((offset > data_offset) || (offset >= gf_bs_get_size(ref_bs))) { e = GF_BAD_PARAM; goto exit; } e = gf_bs_seek(ref_bs, offset); if (e) goto exit; continue; } ref_nalu_size = gf_bs_read_int(ref_bs, 8*nal_unit_size_field); copy_size = data_length ? data_length : ref_nalu_size; assert(copy_size <= ref_nalu_size); nal_hdr = gf_bs_read_u8(ref_bs); //rewrite NAL type if ((copy_size-1)>max_size) { buffer = (char*)gf_realloc(buffer, sizeof(char)*(copy_size-1)); max_size = copy_size-1; } gf_bs_read_data(ref_bs, buffer, copy_size-1); if (rewrite_start_codes) gf_bs_write_u32(dst_bs, 1); else gf_bs_write_int(dst_bs, copy_size, 8*nal_unit_size_field); gf_bs_write_u8(dst_bs, nal_hdr); gf_bs_write_data(dst_bs, buffer, copy_size-1); } gf_isom_sample_del(&ref_samp); ref_samp = NULL; gf_bs_del(ref_bs); ref_bs = NULL; gf_isom_set_nalu_extract_mode(file, ref_track_num, cur_extract_mode); break; default: //skip to end of this NALU gf_bs_skip_bytes(src_bs, nal_size-1); continue; } } else { gf_bs_read_data(src_bs, buffer, nal_size-1); if (rewrite_start_codes) gf_bs_write_u32(dst_bs, 1); else gf_bs_write_int(dst_bs, nal_size, 8*nal_unit_size_field); gf_bs_write_u8(dst_bs, nal_hdr); gf_bs_write_data(dst_bs, buffer, nal_size-1); } }