C++ (Cpp) FLAC__metadata_chain_read_ogg Beispiele

Beispiel #1

Datei: flac_decoder_plugin.c Projekt: mvasilkov/mpd

static struct tag *
oggflac_tag_dup(const char *file)
{
	struct tag *ret = NULL;
	FLAC__Metadata_Iterator *it;
	FLAC__StreamMetadata *block;
	FLAC__Metadata_Chain *chain = FLAC__metadata_chain_new();

	if (!(FLAC__metadata_chain_read_ogg(chain, file)))
		goto out;
	it = FLAC__metadata_iterator_new();
	FLAC__metadata_iterator_init(it, chain);

	ret = tag_new();
	do {
		if (!(block = FLAC__metadata_iterator_get_block(it)))
			break;

		flac_tag_apply_metadata(ret, NULL, block);
	} while (FLAC__metadata_iterator_next(it));
	FLAC__metadata_iterator_delete(it);

	if (!tag_is_defined(ret)) {
		tag_free(ret);
		ret = NULL;
	}

out:
	FLAC__metadata_chain_delete(chain);
	return ret;
}

Beispiel #2

Datei: flac_decoder_plugin.c Projekt: Acidburn0zzz/mpd

static bool
oggflac_scan_file(const char *file,
		  const struct tag_handler *handler, void *handler_ctx)
{
	FLAC__Metadata_Iterator *it;
	FLAC__StreamMetadata *block;
	FLAC__Metadata_Chain *chain = FLAC__metadata_chain_new();

	if (!(FLAC__metadata_chain_read_ogg(chain, file))) {
		FLAC__metadata_chain_delete(chain);
		return false;
	}

	it = FLAC__metadata_iterator_new();
	FLAC__metadata_iterator_init(it, chain);

	do {
		if (!(block = FLAC__metadata_iterator_get_block(it)))
			break;

		flac_scan_metadata(NULL, block,
				   handler, handler_ctx);
	} while (FLAC__metadata_iterator_next(it));
	FLAC__metadata_iterator_delete(it);

	FLAC__metadata_chain_delete(chain);
	return true;
}

Beispiel #3

Datei: operations.c Projekt: mikemakuch/muzikbrowzer

FLAC__bool do_major_operation_on_file(const char *filename, const CommandLineOptions *options)
{
	FLAC__bool ok = true, needs_write = false, is_ogg = false;
	FLAC__Metadata_Chain *chain = FLAC__metadata_chain_new();

	if(0 == chain)
		die("out of memory allocating chain");

	/*@@@@ lame way of guessing the file type */
	if(strlen(filename) >= 4 && 0 == strcmp(filename+strlen(filename)-4, ".ogg"))
		is_ogg = true;

	if(! (is_ogg? FLAC__metadata_chain_read_ogg(chain, filename) : FLAC__metadata_chain_read(chain, filename)) ) {
		print_error_with_chain_status(chain, "%s: ERROR: reading metadata", filename);
		FLAC__metadata_chain_delete(chain);
		return false;
	}

	switch(options->ops.operations[0].type) {
		case OP__LIST:
			ok = do_major_operation__list(options->prefix_with_filename? filename : 0, chain, options);
			break;
		case OP__APPEND:
			ok = do_major_operation__append(chain, options);
			needs_write = true;
			break;
		case OP__REMOVE:
			ok = do_major_operation__remove(chain, options);
			needs_write = true;
			break;
		case OP__REMOVE_ALL:
			ok = do_major_operation__remove_all(chain, options);
			needs_write = true;
			break;
		case OP__MERGE_PADDING:
			FLAC__metadata_chain_merge_padding(chain);
			needs_write = true;
			break;
		case OP__SORT_PADDING:
			FLAC__metadata_chain_sort_padding(chain);
			needs_write = true;
			break;
		default:
			FLAC__ASSERT(0);
			return false;
	}

	if(ok && needs_write) {
		if(options->use_padding)
			FLAC__metadata_chain_sort_padding(chain);
		ok = FLAC__metadata_chain_write(chain, options->use_padding, options->preserve_modtime);
		if(!ok)
			print_error_with_chain_status(chain, "%s: ERROR: writing FLAC file", filename);
	}

	FLAC__metadata_chain_delete(chain);

	return ok;
}