FLAC_API FLAC__bool FLAC__stream_decoder_reset(FLAC__StreamDecoder *decoder)
{
	FLAC__ASSERT(0 != decoder);
	FLAC__ASSERT(0 != decoder->private_);
	FLAC__ASSERT(0 != decoder->protected_);

	if(!FLAC__stream_decoder_flush(decoder)) {
		/* above call sets the state for us */
		return false;
	}

#if FLAC__HAS_OGG
	/*@@@ could go in !internal_reset_hack block below */
	if(decoder->private_->is_ogg)
		FLAC__ogg_decoder_aspect_reset(&decoder->protected_->ogg_decoder_aspect);
#endif

	/* Rewind if necessary.  If FLAC__stream_decoder_init() is calling us,
	 * (internal_reset_hack) don't try to rewind since we are already at
	 * the beginning of the stream and don't want to fail if the input is
	 * not seekable.
	 */
	if(!decoder->private_->internal_reset_hack) {
		if(decoder->private_->file == stdin)
			return false; /* can't rewind stdin, reset fails */
		if(decoder->private_->seek_callback && decoder->private_->seek_callback(decoder, 0, decoder->private_->client_data) == FLAC__STREAM_DECODER_SEEK_STATUS_ERROR)
			return false; /* seekable and seek fails, reset fails */
	}
	else
		decoder->private_->internal_reset_hack = false;

	decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_METADATA;

	decoder->private_->has_stream_info = false;
	if(decoder->private_->has_seek_table && 0 != decoder->private_->seek_table.data.seek_table.points) {
		free(decoder->private_->seek_table.data.seek_table.points);
		decoder->private_->seek_table.data.seek_table.points = 0;
		decoder->private_->has_seek_table = false;
	}
	decoder->private_->do_md5_checking = decoder->protected_->md5_checking;
	/*
	 * This goes in reset() and not flush() because according to the spec, a
	 * fixed-blocksize stream must stay that way through the whole stream.
	 */
	decoder->private_->fixed_block_size = decoder->private_->next_fixed_block_size = 0;

	/* We initialize the FLAC__MD5Context even though we may never use it.  This
	 * is because md5 checking may be turned on to start and then turned off if
	 * a seek occurs.  So we init the context here and finalize it in
	 * FLAC__stream_decoder_finish() to make sure things are always cleaned up
	 * properly.
	 */
	FLAC__MD5Init(&decoder->private_->md5context);

	decoder->private_->first_frame_offset = 0;
	decoder->private_->unparseable_frame_count = 0;

	return true;
}
Unknown