Exemple #1
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;
}
Exemple #2
0
GF_EXPORT
GF_Err gf_rtp_streamer_append_sdp_decoding_dependency(GF_ISOFile *isofile, u32 isotrack, u8 *payload_type, char **out_sdp_buffer) 
{
	u32 size, i, ref_track;
	s32 count;
	char sdp[20000], sdpLine[10000];

	sprintf(sdp, "a=mid:L%d\n", isotrack);

	count = gf_isom_get_reference_count(isofile, isotrack, GF_ISOM_REF_SCAL);
	if (count > 0)
	{
		sprintf(sdpLine, "a=depend:%d lay", payload_type[isotrack-1]);
		strcat(sdp, sdpLine);
		for (i = 0; i < (u32) count; i++) 
		{
			gf_isom_get_reference(isofile, isotrack, GF_ISOM_REF_SCAL, i+1, &ref_track);
			sprintf(sdpLine, " L%d:%d", ref_track, payload_type[ref_track-1]);
			strcat(sdp, sdpLine);
		}
		strcat(sdp, "\n");
	}

	size = (u32) strlen(sdp) + (*out_sdp_buffer ? (u32) strlen(*out_sdp_buffer) : 0) + 1;
	if ( !*out_sdp_buffer) {
		*out_sdp_buffer = gf_malloc(sizeof(char)*size);
		if (! *out_sdp_buffer) return GF_OUT_OF_MEM;
		strcpy(*out_sdp_buffer, sdp);
	} else {
		*out_sdp_buffer = gf_realloc(*out_sdp_buffer, sizeof(char)*size);
		if (! *out_sdp_buffer) return GF_OUT_OF_MEM;
		strcat(*out_sdp_buffer, sdp);
	}
	return GF_OK;
}
Exemple #3
0
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);
	}
}