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;
}
FLAC__bool add_entropy_coding_method_(FLAC__BitWriter *bw, const FLAC__EntropyCodingMethod *method)
{
if(!FLAC__bitwriter_write_raw_uint32(bw, method->type, FLAC__ENTROPY_CODING_METHOD_TYPE_LEN))
return false;
switch(method->type) {
case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE:
if(!FLAC__bitwriter_write_raw_uint32(bw, method->data.partitioned_rice.order, FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN))
return false;
break;
default:
FLAC__ASSERT(0);
}
return true;
}
FLAC__bool add_residual_partitioned_rice_(FLAC__BitWriter *bw, const FLAC__int32 residual[], const unsigned residual_samples, const unsigned predictor_order, const unsigned rice_parameters[], const unsigned raw_bits[], const unsigned partition_order)
{
if(partition_order == 0) {
unsigned i;
if(!FLAC__bitwriter_write_raw_uint32(bw, rice_parameters[0], FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN))
return false;
if(rice_parameters[0] < FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER) {
if(!FLAC__bitwriter_write_rice_signed_block(bw, residual, residual_samples, rice_parameters[0]))
return false;
}
else {
if(!FLAC__bitwriter_write_raw_uint32(bw, raw_bits[0], FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN))
return false;
for(i = 0; i < residual_samples; i++) {
if(!FLAC__bitwriter_write_raw_int32(bw, residual[i], raw_bits[0]))
return false;
}
}
return true;
}
else {
unsigned i, j, k = 0, k_last = 0;
unsigned partition_samples;
const unsigned default_partition_samples = (residual_samples+predictor_order) >> partition_order;
for(i = 0; i < (1u<<partition_order); i++) {
if(!FLAC__bitwriter_write_raw_uint32(bw, rice_parameters[i], FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN))
return false;
partition_samples = default_partition_samples;
if(i == 0)
partition_samples -= predictor_order;
k += partition_samples;
if(rice_parameters[i] < FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER) {
if(!FLAC__bitwriter_write_rice_signed_block(bw, residual+k_last, k-k_last, rice_parameters[i]))
return false;
}
else {
if(!FLAC__bitwriter_write_raw_uint32(bw, raw_bits[i], FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_RAW_LEN))
return false;
for(j = k_last; j < k; j++) {
if(!FLAC__bitwriter_write_raw_int32(bw, residual[j], raw_bits[i]))
return false;
}
}
k_last = k;
}
return true;
}
}
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;
}
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;
}
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;
}
FLAC__bool FLAC__add_metadata_block(const FLAC__StreamMetadata *metadata, FLAC__BitWriter *bw)
{
unsigned i, j;
const unsigned vendor_string_length = (unsigned)strlen(FLAC__VENDOR_STRING);
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->is_last, FLAC__STREAM_METADATA_IS_LAST_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->type, FLAC__STREAM_METADATA_TYPE_LEN))
return false;
/*
* First, for VORBIS_COMMENTs, adjust the length to reflect our vendor string
*/
i = metadata->length;
if(metadata->type == FLAC__METADATA_TYPE_VORBIS_COMMENT) {
FLAC__ASSERT(metadata->data.vorbis_comment.vendor_string.length == 0 || 0 != metadata->data.vorbis_comment.vendor_string.entry);
i -= metadata->data.vorbis_comment.vendor_string.length;
i += vendor_string_length;
}
FLAC__ASSERT(i < (1u << FLAC__STREAM_METADATA_LENGTH_LEN));
if(!FLAC__bitwriter_write_raw_uint32(bw, i, FLAC__STREAM_METADATA_LENGTH_LEN))
return false;
switch(metadata->type) {
case FLAC__METADATA_TYPE_STREAMINFO:
FLAC__ASSERT(metadata->data.stream_info.min_blocksize < (1u << FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN));
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.min_blocksize, FLAC__STREAM_METADATA_STREAMINFO_MIN_BLOCK_SIZE_LEN))
return false;
FLAC__ASSERT(metadata->data.stream_info.max_blocksize < (1u << FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN));
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.max_blocksize, FLAC__STREAM_METADATA_STREAMINFO_MAX_BLOCK_SIZE_LEN))
return false;
FLAC__ASSERT(metadata->data.stream_info.min_framesize < (1u << FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN));
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.min_framesize, FLAC__STREAM_METADATA_STREAMINFO_MIN_FRAME_SIZE_LEN))
return false;
FLAC__ASSERT(metadata->data.stream_info.max_framesize < (1u << FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN));
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.max_framesize, FLAC__STREAM_METADATA_STREAMINFO_MAX_FRAME_SIZE_LEN))
return false;
FLAC__ASSERT(FLAC__format_sample_rate_is_valid(metadata->data.stream_info.sample_rate));
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.sample_rate, FLAC__STREAM_METADATA_STREAMINFO_SAMPLE_RATE_LEN))
return false;
FLAC__ASSERT(metadata->data.stream_info.channels > 0);
FLAC__ASSERT(metadata->data.stream_info.channels <= (1u << FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN));
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.channels-1, FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN))
return false;
FLAC__ASSERT(metadata->data.stream_info.bits_per_sample > 0);
FLAC__ASSERT(metadata->data.stream_info.bits_per_sample <= (1u << FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN));
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.stream_info.bits_per_sample-1, FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint64(bw, metadata->data.stream_info.total_samples, FLAC__STREAM_METADATA_STREAMINFO_TOTAL_SAMPLES_LEN))
return false;
if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.stream_info.md5sum, 16))
return false;
break;
case FLAC__METADATA_TYPE_PADDING:
if(!FLAC__bitwriter_write_zeroes(bw, metadata->length * 8))
return false;
break;
case FLAC__METADATA_TYPE_APPLICATION:
if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.application.id, FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8))
return false;
if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.application.data, metadata->length - (FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8)))
return false;
break;
case FLAC__METADATA_TYPE_SEEKTABLE:
for(i = 0; i < metadata->data.seek_table.num_points; i++) {
if(!FLAC__bitwriter_write_raw_uint64(bw, metadata->data.seek_table.points[i].sample_number, FLAC__STREAM_METADATA_SEEKPOINT_SAMPLE_NUMBER_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint64(bw, metadata->data.seek_table.points[i].stream_offset, FLAC__STREAM_METADATA_SEEKPOINT_STREAM_OFFSET_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.seek_table.points[i].frame_samples, FLAC__STREAM_METADATA_SEEKPOINT_FRAME_SAMPLES_LEN))
return false;
}
break;
case FLAC__METADATA_TYPE_VORBIS_COMMENT:
if(!FLAC__bitwriter_write_raw_uint32_little_endian(bw, vendor_string_length))
return false;
if(!FLAC__bitwriter_write_byte_block(bw, (const FLAC__byte*)FLAC__VENDOR_STRING, vendor_string_length))
return false;
if(!FLAC__bitwriter_write_raw_uint32_little_endian(bw, metadata->data.vorbis_comment.num_comments))
return false;
for(i = 0; i < metadata->data.vorbis_comment.num_comments; i++) {
if(!FLAC__bitwriter_write_raw_uint32_little_endian(bw, metadata->data.vorbis_comment.comments[i].length))
return false;
if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.vorbis_comment.comments[i].entry, metadata->data.vorbis_comment.comments[i].length))
return false;
}
break;
case FLAC__METADATA_TYPE_CUESHEET:
FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN % 8 == 0);
if(!FLAC__bitwriter_write_byte_block(bw, (const FLAC__byte*)metadata->data.cue_sheet.media_catalog_number, FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN/8))
return false;
if(!FLAC__bitwriter_write_raw_uint64(bw, metadata->data.cue_sheet.lead_in, FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.cue_sheet.is_cd? 1 : 0, FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN))
return false;
if(!FLAC__bitwriter_write_zeroes(bw, FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.cue_sheet.num_tracks, FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN))
return false;
for(i = 0; i < metadata->data.cue_sheet.num_tracks; i++) {
const FLAC__StreamMetadata_CueSheet_Track *track = metadata->data.cue_sheet.tracks + i;
if(!FLAC__bitwriter_write_raw_uint64(bw, track->offset, FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, track->number, FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN))
return false;
FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN % 8 == 0);
if(!FLAC__bitwriter_write_byte_block(bw, (const FLAC__byte*)track->isrc, FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN/8))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, track->type, FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, track->pre_emphasis, FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN))
return false;
if(!FLAC__bitwriter_write_zeroes(bw, FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, track->num_indices, FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN))
return false;
for(j = 0; j < track->num_indices; j++) {
const FLAC__StreamMetadata_CueSheet_Index *index = track->indices + j;
if(!FLAC__bitwriter_write_raw_uint64(bw, index->offset, FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, index->number, FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN))
return false;
if(!FLAC__bitwriter_write_zeroes(bw, FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN))
return false;
}
}
break;
case FLAC__METADATA_TYPE_PICTURE:
{
size_t len;
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.type, FLAC__STREAM_METADATA_PICTURE_TYPE_LEN))
return false;
len = strlen(metadata->data.picture.mime_type);
if(!FLAC__bitwriter_write_raw_uint32(bw, len, FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN))
return false;
if(!FLAC__bitwriter_write_byte_block(bw, (const FLAC__byte*)metadata->data.picture.mime_type, len))
return false;
len = strlen((const char *)metadata->data.picture.description);
if(!FLAC__bitwriter_write_raw_uint32(bw, len, FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN))
return false;
if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.picture.description, len))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.width, FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.height, FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.depth, FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.colors, FLAC__STREAM_METADATA_PICTURE_COLORS_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, metadata->data.picture.data_length, FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN))
return false;
if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.picture.data, metadata->data.picture.data_length))
return false;
}
break;
default:
if(!FLAC__bitwriter_write_byte_block(bw, metadata->data.unknown.data, metadata->length))
return false;
break;
}
FLAC__ASSERT(FLAC__bitwriter_is_byte_aligned(bw));
return true;
}
FLAC__bool FLAC__frame_add_header(const FLAC__FrameHeader *header, FLAC__BitWriter *bw)
{
unsigned u, blocksize_hint, sample_rate_hint;
FLAC__byte crc;
FLAC__ASSERT(FLAC__bitwriter_is_byte_aligned(bw));
if(!FLAC__bitwriter_write_raw_uint32(bw, FLAC__FRAME_HEADER_SYNC, FLAC__FRAME_HEADER_SYNC_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, 0, FLAC__FRAME_HEADER_RESERVED_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, (header->number_type == FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER)? 0 : 1, FLAC__FRAME_HEADER_BLOCKING_STRATEGY_LEN))
return false;
FLAC__ASSERT(header->blocksize > 0 && header->blocksize <= FLAC__MAX_BLOCK_SIZE);
/* when this assertion holds true, any legal blocksize can be expressed in the frame header */
FLAC__ASSERT(FLAC__MAX_BLOCK_SIZE <= 65535u);
blocksize_hint = 0;
switch(header->blocksize) {
case 192: u = 1; break;
case 576: u = 2; break;
case 1152: u = 3; break;
case 2304: u = 4; break;
case 4608: u = 5; break;
case 256: u = 8; break;
case 512: u = 9; break;
case 1024: u = 10; break;
case 2048: u = 11; break;
case 4096: u = 12; break;
case 8192: u = 13; break;
case 16384: u = 14; break;
case 32768: u = 15; break;
default:
if(header->blocksize <= 0x100)
blocksize_hint = u = 6;
else
blocksize_hint = u = 7;
break;
}
if(!FLAC__bitwriter_write_raw_uint32(bw, u, FLAC__FRAME_HEADER_BLOCK_SIZE_LEN))
return false;
FLAC__ASSERT(FLAC__format_sample_rate_is_valid(header->sample_rate));
sample_rate_hint = 0;
switch(header->sample_rate) {
case 88200: u = 1; break;
case 176400: u = 2; break;
case 192000: u = 3; break;
case 8000: u = 4; break;
case 16000: u = 5; break;
case 22050: u = 6; break;
case 24000: u = 7; break;
case 32000: u = 8; break;
case 44100: u = 9; break;
case 48000: u = 10; break;
case 96000: u = 11; break;
default:
if(header->sample_rate <= 255000 && header->sample_rate % 1000 == 0)
sample_rate_hint = u = 12;
else if(header->sample_rate % 10 == 0)
sample_rate_hint = u = 14;
else if(header->sample_rate <= 0xffff)
sample_rate_hint = u = 13;
else
u = 0;
break;
}
if(!FLAC__bitwriter_write_raw_uint32(bw, u, FLAC__FRAME_HEADER_SAMPLE_RATE_LEN))
return false;
FLAC__ASSERT(header->channels > 0 && header->channels <= (1u << FLAC__STREAM_METADATA_STREAMINFO_CHANNELS_LEN) && header->channels <= FLAC__MAX_CHANNELS);
switch(header->channel_assignment) {
case FLAC__CHANNEL_ASSIGNMENT_INDEPENDENT:
u = header->channels - 1;
break;
case FLAC__CHANNEL_ASSIGNMENT_LEFT_SIDE:
FLAC__ASSERT(header->channels == 2);
u = 8;
break;
case FLAC__CHANNEL_ASSIGNMENT_RIGHT_SIDE:
FLAC__ASSERT(header->channels == 2);
u = 9;
break;
case FLAC__CHANNEL_ASSIGNMENT_MID_SIDE:
FLAC__ASSERT(header->channels == 2);
u = 10;
break;
default:
FLAC__ASSERT(0);
}
if(!FLAC__bitwriter_write_raw_uint32(bw, u, FLAC__FRAME_HEADER_CHANNEL_ASSIGNMENT_LEN))
return false;
FLAC__ASSERT(header->bits_per_sample > 0 && header->bits_per_sample <= (1u << FLAC__STREAM_METADATA_STREAMINFO_BITS_PER_SAMPLE_LEN));
switch(header->bits_per_sample) {
case 8 : u = 1; break;
case 12: u = 2; break;
case 16: u = 4; break;
case 20: u = 5; break;
case 24: u = 6; break;
default: u = 0; break;
}
if(!FLAC__bitwriter_write_raw_uint32(bw, u, FLAC__FRAME_HEADER_BITS_PER_SAMPLE_LEN))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, 0, FLAC__FRAME_HEADER_ZERO_PAD_LEN))
return false;
if(header->number_type == FLAC__FRAME_NUMBER_TYPE_FRAME_NUMBER) {
if(!FLAC__bitwriter_write_utf8_uint32(bw, header->number.frame_number))
return false;
}
else {
if(!FLAC__bitwriter_write_utf8_uint64(bw, header->number.sample_number))
return false;
}
if(blocksize_hint)
if(!FLAC__bitwriter_write_raw_uint32(bw, header->blocksize-1, (blocksize_hint==6)? 8:16))
return false;
switch(sample_rate_hint) {
case 12:
if(!FLAC__bitwriter_write_raw_uint32(bw, header->sample_rate / 1000, 8))
return false;
break;
case 13:
if(!FLAC__bitwriter_write_raw_uint32(bw, header->sample_rate, 16))
return false;
break;
case 14:
if(!FLAC__bitwriter_write_raw_uint32(bw, header->sample_rate / 10, 16))
return false;
break;
}
/* write the CRC */
if(!FLAC__bitwriter_get_write_crc8(bw, &crc))
return false;
if(!FLAC__bitwriter_write_raw_uint32(bw, crc, FLAC__FRAME_HEADER_CRC_LEN))
return false;
return true;
}
FLAC__bool test_bitwriter(void)
{
FLAC__BitWriter *bw;
FLAC__bool ok;
unsigned i, j;
#if WORDS_BIGENDIAN
static bwword test_pattern1[5] = { 0xaaf0aabe, 0xaaaaaaa8, 0x300aaaaa, 0xaaadeadb, 0x00eeface };
#else
static bwword test_pattern1[5] = { 0xbeaaf0aa, 0xa8aaaaaa, 0xaaaa0a30, 0xdbeaadaa, 0x00eeface };
#endif
unsigned words, bits; /* what we think bw->words and bw->bits should be */
printf("\n+++ libFLAC unit test: bitwriter\n\n");
/*
* test new -> delete
*/
printf("testing new... ");
bw = FLAC__bitwriter_new();
if(0 == bw) {
printf("FAILED, returned NULL\n");
return false;
}
printf("OK\n");
printf("testing delete... ");
FLAC__bitwriter_delete(bw);
printf("OK\n");
/*
* test new -> init -> delete
*/
printf("testing new... ");
bw = FLAC__bitwriter_new();
if(0 == bw) {
printf("FAILED, returned NULL\n");
return false;
}
printf("OK\n");
printf("testing init... ");
FLAC__bitwriter_init(bw);
if(0 == bw) {
printf("FAILED, returned NULL\n");
return false;
}
printf("OK\n");
printf("testing delete... ");
FLAC__bitwriter_delete(bw);
printf("OK\n");
/*
* test new -> init -> clear -> delete
*/
printf("testing new... ");
bw = FLAC__bitwriter_new();
if(0 == bw) {
printf("FAILED, returned NULL\n");
return false;
}
printf("OK\n");
printf("testing init... ");
FLAC__bitwriter_init(bw);
if(0 == bw) {
printf("FAILED, returned NULL\n");
return false;
}
printf("OK\n");
printf("testing clear... ");
FLAC__bitwriter_clear(bw);
if(0 == bw) {
printf("FAILED, returned NULL\n");
return false;
}
printf("OK\n");
printf("testing delete... ");
FLAC__bitwriter_delete(bw);
printf("OK\n");
/*
* test normal usage
*/
printf("testing new... ");
bw = FLAC__bitwriter_new();
if(0 == bw) {
printf("FAILED, returned NULL\n");
return false;
}
printf("OK\n");
printf("testing init... ");
ok = FLAC__bitwriter_init(bw);
printf("%s\n", ok?"OK":"FAILED");
if(!ok)
return false;
printf("testing clear... ");
FLAC__bitwriter_clear(bw);
printf("OK\n");
words = bits = 0;
printf("capacity = %u\n", bw->capacity);
printf("testing zeroes, raw_uint32*... ");
ok =
FLAC__bitwriter_write_raw_uint32(bw, 0x1, 1) &&
FLAC__bitwriter_write_raw_uint32(bw, 0x1, 2) &&
FLAC__bitwriter_write_raw_uint32(bw, 0xa, 5) &&
FLAC__bitwriter_write_raw_uint32(bw, 0xf0, 8) &&
FLAC__bitwriter_write_raw_uint32(bw, 0x2aa, 10) &&
FLAC__bitwriter_write_raw_uint32(bw, 0xf, 4) &&
FLAC__bitwriter_write_raw_uint32(bw, 0xaaaaaaaa, 32) &&
FLAC__bitwriter_write_zeroes(bw, 4) &&
FLAC__bitwriter_write_raw_uint32(bw, 0x3, 2) &&
FLAC__bitwriter_write_zeroes(bw, 8) &&
FLAC__bitwriter_write_raw_uint64(bw, FLAC__U64L(0xaaaaaaaadeadbeef), 64) &&
FLAC__bitwriter_write_raw_uint32(bw, 0xace, 12)
;
if(!ok) {
printf("FAILED\n");
FLAC__bitwriter_dump(bw, stdout);
return false;
}
words = 4;
bits = 24;
if(bw->words != words) {
printf("FAILED byte count %u != %u\n", bw->words, words);
FLAC__bitwriter_dump(bw, stdout);
return false;
}
if(bw->bits != bits) {
printf("FAILED bit count %u != %u\n", bw->bits, bits);
FLAC__bitwriter_dump(bw, stdout);
return false;
}
if(memcmp(bw->buffer, test_pattern1, sizeof(bwword)*words) != 0) {
printf("FAILED pattern match (buffer)\n");
FLAC__bitwriter_dump(bw, stdout);
return false;
}
if((bw->accum & 0x00ffffff) != test_pattern1[words]) {
printf("FAILED pattern match (bw->accum=%08X != %08X)\n", bw->accum&0x00ffffff, test_pattern1[words]);
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("OK\n");
FLAC__bitwriter_dump(bw, stdout);
printf("testing raw_uint32 some more... ");
ok = FLAC__bitwriter_write_raw_uint32(bw, 0x3d, 6);
if(!ok) {
printf("FAILED\n");
FLAC__bitwriter_dump(bw, stdout);
return false;
}
bits += 6;
test_pattern1[words] <<= 6;
test_pattern1[words] |= 0x3d;
if(bw->words != words) {
printf("FAILED byte count %u != %u\n", bw->words, words);
FLAC__bitwriter_dump(bw, stdout);
return false;
}
if(bw->bits != bits) {
printf("FAILED bit count %u != %u\n", bw->bits, bits);
FLAC__bitwriter_dump(bw, stdout);
return false;
}
if(memcmp(bw->buffer, test_pattern1, sizeof(bwword)*words) != 0) {
printf("FAILED pattern match (buffer)\n");
FLAC__bitwriter_dump(bw, stdout);
return false;
}
if((bw->accum & 0x3fffffff) != test_pattern1[words]) {
printf("FAILED pattern match (bw->accum=%08X != %08X)\n", bw->accum&0x3fffffff, test_pattern1[words]);
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("OK\n");
FLAC__bitwriter_dump(bw, stdout);
printf("testing utf8_uint32(0x00000000)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint32(bw, 0x00000000);
ok = TOTAL_BITS(bw) == 8 && (bw->accum & 0xff) == 0;
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint32(0x0000007F)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint32(bw, 0x0000007F);
ok = TOTAL_BITS(bw) == 8 && (bw->accum & 0xff) == 0x7F;
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint32(0x00000080)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint32(bw, 0x00000080);
ok = TOTAL_BITS(bw) == 16 && (bw->accum & 0xffff) == 0xC280;
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint32(0x000007FF)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint32(bw, 0x000007FF);
ok = TOTAL_BITS(bw) == 16 && (bw->accum & 0xffff) == 0xDFBF;
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint32(0x00000800)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint32(bw, 0x00000800);
ok = TOTAL_BITS(bw) == 24 && (bw->accum & 0xffffff) == 0xE0A080;
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint32(0x0000FFFF)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint32(bw, 0x0000FFFF);
ok = TOTAL_BITS(bw) == 24 && (bw->accum & 0xffffff) == 0xEFBFBF;
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint32(0x00010000)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint32(bw, 0x00010000);
#if WORDS_BIGENDIAN
ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xF0908080;
#else
ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0x808090F0;
#endif
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint32(0x001FFFFF)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint32(bw, 0x001FFFFF);
#if WORDS_BIGENDIAN
ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xF7BFBFBF;
#else
ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xBFBFBFF7;
#endif
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint32(0x00200000)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint32(bw, 0x00200000);
#if WORDS_BIGENDIAN
ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xF8888080 && (bw->accum & 0xff) == 0x80;
#else
ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0x808088F8 && (bw->accum & 0xff) == 0x80;
#endif
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint32(0x03FFFFFF)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint32(bw, 0x03FFFFFF);
#if WORDS_BIGENDIAN
ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xFBBFBFBF && (bw->accum & 0xff) == 0xBF;
#else
ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xBFBFBFFB && (bw->accum & 0xff) == 0xBF;
#endif
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint32(0x04000000)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint32(bw, 0x04000000);
#if WORDS_BIGENDIAN
ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xFC848080 && (bw->accum & 0xffff) == 0x8080;
#else
ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0x808084FC && (bw->accum & 0xffff) == 0x8080;
#endif
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint32(0x7FFFFFFF)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint32(bw, 0x7FFFFFFF);
#if WORDS_BIGENDIAN
ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xFDBFBFBF && (bw->accum & 0xffff) == 0xBFBF;
#else
ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xBFBFBFFD && (bw->accum & 0xffff) == 0xBFBF;
#endif
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint64(0x0000000000000000)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint64(bw, 0x0000000000000000);
ok = TOTAL_BITS(bw) == 8 && (bw->accum & 0xff) == 0;
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint64(0x000000000000007F)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint64(bw, 0x000000000000007F);
ok = TOTAL_BITS(bw) == 8 && (bw->accum & 0xff) == 0x7F;
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint64(0x0000000000000080)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint64(bw, 0x0000000000000080);
ok = TOTAL_BITS(bw) == 16 && (bw->accum & 0xffff) == 0xC280;
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint64(0x00000000000007FF)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint64(bw, 0x00000000000007FF);
ok = TOTAL_BITS(bw) == 16 && (bw->accum & 0xffff) == 0xDFBF;
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint64(0x0000000000000800)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint64(bw, 0x0000000000000800);
ok = TOTAL_BITS(bw) == 24 && (bw->accum & 0xffffff) == 0xE0A080;
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint64(0x000000000000FFFF)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint64(bw, 0x000000000000FFFF);
ok = TOTAL_BITS(bw) == 24 && (bw->accum & 0xffffff) == 0xEFBFBF;
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint64(0x0000000000010000)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint64(bw, 0x0000000000010000);
#if WORDS_BIGENDIAN
ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xF0908080;
#else
ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0x808090F0;
#endif
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint64(0x00000000001FFFFF)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint64(bw, 0x00000000001FFFFF);
#if WORDS_BIGENDIAN
ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xF7BFBFBF;
#else
ok = TOTAL_BITS(bw) == 32 && bw->buffer[0] == 0xBFBFBFF7;
#endif
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint64(0x0000000000200000)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint64(bw, 0x0000000000200000);
#if WORDS_BIGENDIAN
ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xF8888080 && (bw->accum & 0xff) == 0x80;
#else
ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0x808088F8 && (bw->accum & 0xff) == 0x80;
#endif
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint64(0x0000000003FFFFFF)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint64(bw, 0x0000000003FFFFFF);
#if WORDS_BIGENDIAN
ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xFBBFBFBF && (bw->accum & 0xff) == 0xBF;
#else
ok = TOTAL_BITS(bw) == 40 && bw->buffer[0] == 0xBFBFBFFB && (bw->accum & 0xff) == 0xBF;
#endif
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint64(0x0000000004000000)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint64(bw, 0x0000000004000000);
#if WORDS_BIGENDIAN
ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xFC848080 && (bw->accum & 0xffff) == 0x8080;
#else
ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0x808084FC && (bw->accum & 0xffff) == 0x8080;
#endif
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint64(0x000000007FFFFFFF)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint64(bw, 0x000000007FFFFFFF);
#if WORDS_BIGENDIAN
ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xFDBFBFBF && (bw->accum & 0xffff) == 0xBFBF;
#else
ok = TOTAL_BITS(bw) == 48 && bw->buffer[0] == 0xBFBFBFFD && (bw->accum & 0xffff) == 0xBFBF;
#endif
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint64(0x0000000080000000)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint64(bw, 0x0000000080000000);
#if WORDS_BIGENDIAN
ok = TOTAL_BITS(bw) == 56 && bw->buffer[0] == 0xFE828080 && (bw->accum & 0xffffff) == 0x808080;
#else
ok = TOTAL_BITS(bw) == 56 && bw->buffer[0] == 0x808082FE && (bw->accum & 0xffffff) == 0x808080;
#endif
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing utf8_uint64(0x0000000FFFFFFFFF)... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_utf8_uint64(bw, FLAC__U64L(0x0000000FFFFFFFFF));
#if WORDS_BIGENDIAN
ok = TOTAL_BITS(bw) == 56 && bw->buffer[0] == 0xFEBFBFBF && (bw->accum & 0xffffff) == 0xBFBFBF;
#else
ok = TOTAL_BITS(bw) == 56 && bw->buffer[0] == 0xBFBFBFFE && (bw->accum & 0xffffff) == 0xBFBFBF;
#endif
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("testing grow... ");
FLAC__bitwriter_clear(bw);
FLAC__bitwriter_write_raw_uint32(bw, 0x5, 4);
j = bw->capacity;
for(i = 0; i < j; i++)
FLAC__bitwriter_write_raw_uint32(bw, 0xaaaaaaaa, 32);
#if WORDS_BIGENDIAN
ok = TOTAL_BITS(bw) == i*32+4 && bw->buffer[0] == 0x5aaaaaaa && (bw->accum & 0xf) == 0xa;
#else
ok = TOTAL_BITS(bw) == i*32+4 && bw->buffer[0] == 0xaaaaaa5a && (bw->accum & 0xf) == 0xa;
#endif
printf("%s\n", ok?"OK":"FAILED");
if(!ok) {
FLAC__bitwriter_dump(bw, stdout);
return false;
}
printf("capacity = %u\n", bw->capacity);
printf("testing free... ");
FLAC__bitwriter_free(bw);
printf("OK\n");
printf("testing delete... ");
FLAC__bitwriter_delete(bw);
printf("OK\n");
printf("\nPASSED!\n");
return true;
}
