static GF_Err gf_isom_streamer_setup_sdp(GF_ISOMRTPStreamer *streamer, char*sdpfilename, char **out_sdp_buffer) { GF_RTPTrack *track; FILE *sdp_out; char filename[GF_MAX_PATH]; char sdpLine[20000]; strcpy(filename, sdpfilename ? sdpfilename : "videosession.sdp"); sdp_out = gf_f64_open(filename, "wt"); if (!sdp_out) return GF_IO_ERR; if (!out_sdp_buffer) { sprintf(sdpLine, "v=0"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "o=MP4Streamer 3357474383 1148485440000 IN IP%d %s", gf_net_is_ipv6(streamer->dest_ip) ? 6 : 4, streamer->dest_ip); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "s=livesession"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "i=This is an MP4 time-sliced Streaming demo"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "u=http://gpac.sourceforge.net"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "e=admin@"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "c=IN IP%d %s", gf_net_is_ipv6(streamer->dest_ip) ? 6 : 4, streamer->dest_ip); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "t=0 0"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "a=x-copyright: Streamed with GPAC (C)2000-200X - http://gpac.sourceforge.net\n"); fprintf(sdp_out, "%s\n", sdpLine); } track = streamer->stream; while (track) { char *sdp_media=NULL; const char *KMS = NULL; char *dsi = NULL; u32 w, h; u32 dsi_len = 0; GF_DecoderConfig *dcd = gf_isom_get_decoder_config(streamer->isom, track->track_num, 1); if (dcd && dcd->decoderSpecificInfo) { dsi = dcd->decoderSpecificInfo->data; dsi_len = dcd->decoderSpecificInfo->dataLength; } w = h = 0; if (gf_isom_get_media_type(streamer->isom, track->track_num) == GF_ISOM_MEDIA_VISUAL) { gf_isom_get_visual_info(streamer->isom, track->track_num, 1, &w, &h); } gf_isom_get_ismacryp_info(streamer->isom, track->track_num, 1, NULL, NULL, NULL, NULL, &KMS, NULL, NULL, NULL); /*TODO retrieve DIMS content encoding from track to set the flags */ gf_rtp_streamer_append_sdp_extended(track->rtp, gf_isom_get_track_id(streamer->isom, track->track_num), dsi, dsi_len, streamer->isom, track->track_num, (char *)KMS, w, h, &sdp_media); if (sdp_media) { fprintf(sdp_out, "%s", sdp_media); gf_free(sdp_media); } if (dcd) gf_odf_desc_del((GF_Descriptor *)dcd); track = track->next; } fprintf(sdp_out, "\n"); fclose(sdp_out); if (out_sdp_buffer) { u64 size; sdp_out = gf_f64_open(filename, "r"); gf_f64_seek(sdp_out, 0, SEEK_END); size = gf_f64_tell(sdp_out); gf_f64_seek(sdp_out, 0, SEEK_SET); if (*out_sdp_buffer) gf_free(*out_sdp_buffer); *out_sdp_buffer = gf_malloc(sizeof(char)*(size_t)(size+1)); size = fread(*out_sdp_buffer, 1, (size_t)size, sdp_out); fclose(sdp_out); (*out_sdp_buffer)[size]=0; } return GF_OK; }
GF_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; }
static GF_Err gf_isom_streamer_setup_sdp(GF_ISOMRTPStreamer *streamer, char*sdpfilename, char **out_sdp_buffer) { GF_RTPTrack *track; FILE *sdp_out; char filename[GF_MAX_PATH]; char sdpLine[20000]; u32 t, count; u8 *payload_type; strcpy(filename, sdpfilename ? sdpfilename : "videosession.sdp"); sdp_out = gf_fopen(filename, "wt"); if (!sdp_out) return GF_IO_ERR; if (!out_sdp_buffer) { sprintf(sdpLine, "v=0"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "o=MP4Streamer 3357474383 1148485440000 IN IP%d %s", gf_net_is_ipv6(streamer->dest_ip) ? 6 : 4, streamer->dest_ip); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "s=livesession"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "i=This is an MP4 time-sliced Streaming demo"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "u=http://gpac.sourceforge.net"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "e=admin@"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "c=IN IP%d %s", gf_net_is_ipv6(streamer->dest_ip) ? 6 : 4, streamer->dest_ip); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "t=0 0"); fprintf(sdp_out, "%s\n", sdpLine); sprintf(sdpLine, "a=x-copyright: Streamed with GPAC (C)2000-200X - http://gpac.sourceforge.net"); fprintf(sdp_out, "%s\n", sdpLine); if (streamer->base_track) { sprintf(sdpLine, "a=group:DDP L%d", streamer->base_track); fprintf(sdp_out, "%s", sdpLine); count = gf_isom_get_track_count(streamer->isom); for (t = 0; t < count; t++) { if (gf_isom_has_track_reference(streamer->isom, t+1, GF_ISOM_REF_BASE, gf_isom_get_track_id(streamer->isom, streamer->base_track))) { sprintf(sdpLine, " L%d", t+1); fprintf(sdp_out, "%s", sdpLine); } } fprintf(sdp_out, "\n"); } } /*prepare array of payload type*/ count = gf_isom_get_track_count(streamer->isom); payload_type = (u8 *)gf_malloc(count * sizeof(u8)); track = streamer->stream; while (track) { payload_type[track->track_num-1] = gf_rtp_streamer_get_payload_type(track->rtp); track = track->next; } track = streamer->stream; while (track) { char *sdp_media=NULL; const char *KMS = NULL; char *dsi = NULL; u32 w, h; u32 dsi_len = 0; GF_DecoderConfig *dcd; //use inspect mode so that we don't aggregate xPS from the base in the enhancement ESD gf_isom_set_nalu_extract_mode(streamer->isom, track->track_num, GF_ISOM_NALU_EXTRACT_INSPECT); dcd = gf_isom_get_decoder_config(streamer->isom, track->track_num, 1); if (dcd && dcd->decoderSpecificInfo) { dsi = dcd->decoderSpecificInfo->data; dsi_len = dcd->decoderSpecificInfo->dataLength; } w = h = 0; if (gf_isom_get_media_type(streamer->isom, track->track_num) == GF_ISOM_MEDIA_VISUAL) { gf_isom_get_visual_info(streamer->isom, track->track_num, 1, &w, &h); } gf_isom_get_ismacryp_info(streamer->isom, track->track_num, 1, NULL, NULL, NULL, NULL, &KMS, NULL, NULL, NULL); /*TODO retrieve DIMS content encoding from track to set the flags */ gf_rtp_streamer_append_sdp_extended(track->rtp, gf_isom_get_track_id(streamer->isom, track->track_num), dsi, dsi_len, streamer->isom, track->track_num, (char *)KMS, w, h, &sdp_media); if (streamer->base_track) gf_rtp_streamer_append_sdp_decoding_dependency(streamer->isom, track->track_num, payload_type, &sdp_media); if (sdp_media) { fprintf(sdp_out, "%s", sdp_media); gf_free(sdp_media); } if (dcd) gf_odf_desc_del((GF_Descriptor *)dcd); track = track->next; } fprintf(sdp_out, "\n"); gf_fclose(sdp_out); if (out_sdp_buffer) { u64 size; sdp_out = gf_fopen(filename, "r"); gf_fseek(sdp_out, 0, SEEK_END); size = gf_ftell(sdp_out); gf_fseek(sdp_out, 0, SEEK_SET); if (*out_sdp_buffer) gf_free(*out_sdp_buffer); *out_sdp_buffer = gf_malloc(sizeof(char)*(size_t)(size+1)); size = fread(*out_sdp_buffer, 1, (size_t)size, sdp_out); gf_fclose(sdp_out); (*out_sdp_buffer)[size]=0; } gf_free(payload_type); return GF_OK; }
GF_Err ISOR_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; }