C++ (Cpp) FLAC__bitwriter_write_unary_unsigned Examples

Example #1

File: stream_encoder_framing.c Project: Kazu-zamasu/kinomajs

FLAC__bool FLAC__subframe_add_lpc(const FLAC__Subframe_LPC *subframe, unsigned residual_samples, unsigned subframe_bps, unsigned wasted_bits, FLAC__BitWriter *bw)
{
	unsigned i;

	if(!FLAC__bitwriter_write_raw_uint32(bw, FLAC__SUBFRAME_TYPE_LPC_BYTE_ALIGNED_MASK | ((subframe->order-1)<<1) | (wasted_bits? 1:0), FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN))
		return false;
	if(wasted_bits)
		if(!FLAC__bitwriter_write_unary_unsigned(bw, wasted_bits-1))
			return false;

	for(i = 0; i < subframe->order; i++)
		if(!FLAC__bitwriter_write_raw_int32(bw, subframe->warmup[i], subframe_bps))
			return false;

	if(!FLAC__bitwriter_write_raw_uint32(bw, subframe->qlp_coeff_precision-1, FLAC__SUBFRAME_LPC_QLP_COEFF_PRECISION_LEN))
		return false;
	if(!FLAC__bitwriter_write_raw_int32(bw, subframe->quantization_level, FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN))
		return false;
	for(i = 0; i < subframe->order; i++)
		if(!FLAC__bitwriter_write_raw_int32(bw, subframe->qlp_coeff[i], subframe->qlp_coeff_precision))
			return false;

	if(!add_entropy_coding_method_(bw, &subframe->entropy_coding_method))
		return false;
	switch(subframe->entropy_coding_method.type) {
		case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE:
			if(!add_residual_partitioned_rice_(bw, subframe->residual, residual_samples, subframe->order, subframe->entropy_coding_method.data.partitioned_rice.contents->parameters, subframe->entropy_coding_method.data.partitioned_rice.contents->raw_bits, subframe->entropy_coding_method.data.partitioned_rice.order))
				return false;
			break;
		default:
			FLAC__ASSERT(0);
	}

	return true;
}

Example #2

File: stream_encoder_framing.c Project: broftkd/mess-svn

FLAC__bool FLAC__subframe_add_constant(const FLAC__Subframe_Constant *subframe, unsigned subframe_bps, unsigned wasted_bits, FLAC__BitWriter *bw)
{
	FLAC__bool ok;

	ok =
		FLAC__bitwriter_write_raw_uint32(bw, FLAC__SUBFRAME_TYPE_CONSTANT_BYTE_ALIGNED_MASK | (wasted_bits? 1:0), FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN) &&
		(wasted_bits? FLAC__bitwriter_write_unary_unsigned(bw, wasted_bits-1) : true) &&
		FLAC__bitwriter_write_raw_int32(bw, subframe->value, subframe_bps)
	;

	return ok;
}

Example #3

File: stream_encoder_framing.c Project: broftkd/mess-svn

FLAC__bool FLAC__subframe_add_verbatim(const FLAC__Subframe_Verbatim *subframe, unsigned samples, unsigned subframe_bps, unsigned wasted_bits, FLAC__BitWriter *bw)
{
	unsigned i;
	const FLAC__int32 *signal = subframe->data;

	if(!FLAC__bitwriter_write_raw_uint32(bw, FLAC__SUBFRAME_TYPE_VERBATIM_BYTE_ALIGNED_MASK | (wasted_bits? 1:0), FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN))
		return false;
	if(wasted_bits)
		if(!FLAC__bitwriter_write_unary_unsigned(bw, wasted_bits-1))
			return false;

	for(i = 0; i < samples; i++)
		if(!FLAC__bitwriter_write_raw_int32(bw, signal[i], subframe_bps))
			return false;

	return true;
}

Example #4

File: stream_encoder_framing.c Project: broftkd/mess-svn

FLAC__bool FLAC__subframe_add_fixed(const FLAC__Subframe_Fixed *subframe, unsigned residual_samples, unsigned subframe_bps, unsigned wasted_bits, FLAC__BitWriter *bw)
{
	unsigned i;

	if(!FLAC__bitwriter_write_raw_uint32(bw, FLAC__SUBFRAME_TYPE_FIXED_BYTE_ALIGNED_MASK | (subframe->order<<1) | (wasted_bits? 1:0), FLAC__SUBFRAME_ZERO_PAD_LEN + FLAC__SUBFRAME_TYPE_LEN + FLAC__SUBFRAME_WASTED_BITS_FLAG_LEN))
		return false;
	if(wasted_bits)
		if(!FLAC__bitwriter_write_unary_unsigned(bw, wasted_bits-1))
			return false;

	for(i = 0; i < subframe->order; i++)
		if(!FLAC__bitwriter_write_raw_int32(bw, subframe->warmup[i], subframe_bps))
			return false;

	if(!add_entropy_coding_method_(bw, &subframe->entropy_coding_method))
		return false;
	switch(subframe->entropy_coding_method.type) {
		case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE:
		case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2:
			if(!add_residual_partitioned_rice_(
				bw,
				subframe->residual,
				residual_samples,
				subframe->order,
				subframe->entropy_coding_method.data.partitioned_rice.contents->parameters,
				subframe->entropy_coding_method.data.partitioned_rice.contents->raw_bits,
				subframe->entropy_coding_method.data.partitioned_rice.order,
				/*is_extended=*/subframe->entropy_coding_method.type == FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2
			))
				return false;
			break;
		default:
			FLAC__ASSERT(0);
	}

	return true;
}