int encode_wav(FILE *infile, const char *infilename, const char *outfilename, bool verbose, uint64 skip, bool verify, bool lax, bool do_mid_side, bool loose_mid_side, bool do_exhaustive_model_search, bool do_qlp_coeff_prec_search, unsigned min_residual_partition_order, unsigned max_residual_partition_order, unsigned rice_parameter_search_dist, unsigned max_lpc_order, unsigned blocksize, unsigned qlp_coeff_precision, unsigned padding, char *requested_seek_points, int num_requested_seek_points)
{
encoder_wrapper_struct encoder_wrapper;
- bool is_unsigned_samples;
- unsigned channels, bps, sample_rate, data_bytes;
+ bool is_unsigned_samples = false;
+ unsigned channels = 0, bps = 0, sample_rate = 0, data_bytes;
size_t bytes_per_wide_sample, bytes_read;
uint16 x;
uint32 xx;
+ bool got_fmt_chunk = false, got_data_chunk = false;
encoder_wrapper.encoder = 0;
encoder_wrapper.verify = verify;
goto wav_abort_;
}
- /* do the format sub-chunk */
- if(!read_little_endian_uint32(infile, &xx, false))
- goto wav_abort_;
- if(xx != 0x20746d66) { /* "fmt " */
- fprintf(stderr, "ERROR: no format sub-chunk\n");
- goto wav_abort_;
- }
- /* fmt chunk size */
- if(!read_little_endian_uint32(infile, &xx, false))
- goto wav_abort_;
- if(xx != 16) {
- fprintf(stderr, "ERROR: unsupported chunk\n");
- goto wav_abort_;
- }
- /* compression code */
- if(!read_little_endian_uint16(infile, &x, false))
- goto wav_abort_;
- if(x != 1) {
- fprintf(stderr, "ERROR: unsupported compression type %u\n", (unsigned)x);
- goto wav_abort_;
- }
- /* number of channels */
- if(!read_little_endian_uint16(infile, &x, false))
- goto wav_abort_;
- if(x == 0 || x > FLAC__MAX_CHANNELS) {
- fprintf(stderr, "ERROR: unsupported number channels %u\n", (unsigned)x);
- goto wav_abort_;
- }
- channels = x;
- /* sample rate */
- if(!read_little_endian_uint32(infile, &xx, false))
- goto wav_abort_;
- if(xx == 0 || xx > FLAC__MAX_SAMPLE_RATE) {
- fprintf(stderr, "ERROR: unsupported sample rate %u\n", (unsigned)xx);
- goto wav_abort_;
- }
- sample_rate = xx;
- /* avg bytes per second (ignored) */
- if(!read_little_endian_uint32(infile, &xx, false))
- goto wav_abort_;
- /* block align (ignored) */
- if(!read_little_endian_uint16(infile, &x, false))
- goto wav_abort_;
- /* bits per sample */
- if(!read_little_endian_uint16(infile, &x, false))
- goto wav_abort_;
- if(x != 8 && x != 16) {
- fprintf(stderr, "ERROR: unsupported bits per sample %u\n", (unsigned)x);
- goto wav_abort_;
- }
- bps = x;
- is_unsigned_samples = (x == 8);
-
- /* do the data sub-chunk */
- if(!read_little_endian_uint32(infile, &xx, false))
- goto wav_abort_;
- if(xx != 0x61746164) { /* "data" */
- fprintf(stderr, "ERROR: no data sub-chunk\n");
- goto wav_abort_;
- }
- /* data size */
- if(!read_little_endian_uint32(infile, &xx, false))
- goto wav_abort_;
- data_bytes = xx;
-
- bytes_per_wide_sample = channels * (bps >> 3);
-
- if(skip > 0) {
- if(infile != stdin) {
- if(-1 == fseek(infile, bytes_per_wide_sample * (unsigned)skip, SEEK_CUR)) {
- fprintf(stderr, "ERROR seeking while skipping samples in input file %s\n", infilename);
- goto wav_abort_;
+ /* do sub-chunks */
+ while(!feof(infile)) {
+ if(!read_little_endian_uint32(infile, &xx, true))
+ goto wav_abort_;
+ if(feof(infile))
+ break;
+ if(xx == 0x20746d66) { /* "fmt " */
+ if(got_fmt_chunk) {
+ fprintf(stderr, "WARNING: skipping extra 'fmt ' sub-chunk\n");
}
- }
- else {
- int64 left;
- unsigned need;
- for(left = (int64)skip; left > 0; left -= CHUNK_OF_SAMPLES) {
- need = min(left, CHUNK_OF_SAMPLES);
- if(fread(ucbuffer, 1, bytes_per_wide_sample * need, infile) < need) {
- fprintf(stderr, "ERROR seeking while skipping samples in input file %s\n", infilename);
+ else {
+ /* fmt chunk size */
+ if(!read_little_endian_uint32(infile, &xx, false))
+ goto wav_abort_;
+ if(xx != 16) {
+ fprintf(stderr, "ERROR: unsupported chunk\n");
goto wav_abort_;
}
- }
- }
- }
-
- encoder_wrapper.total_samples_to_encode = data_bytes / bytes_per_wide_sample - skip;
- encoder_wrapper.unencoded_size = encoder_wrapper.total_samples_to_encode * bytes_per_wide_sample + 44; /* 44 for the size of the WAV headers */
-
- if(!init_encoder(lax, do_mid_side, loose_mid_side, do_exhaustive_model_search, do_qlp_coeff_prec_search, min_residual_partition_order, max_residual_partition_order, rice_parameter_search_dist, max_lpc_order, blocksize, qlp_coeff_precision, channels, bps, sample_rate, padding, requested_seek_points, num_requested_seek_points, &encoder_wrapper))
- goto wav_abort_;
-
- encoder_wrapper.verify_fifo.into_frames = true;
+ /* compression code */
+ if(!read_little_endian_uint16(infile, &x, false))
+ goto wav_abort_;
+ if(x != 1) {
+ fprintf(stderr, "ERROR: unsupported compression type %u\n", (unsigned)x);
+ goto wav_abort_;
+ }
+ /* number of channels */
+ if(!read_little_endian_uint16(infile, &x, false))
+ goto wav_abort_;
+ if(x == 0 || x > FLAC__MAX_CHANNELS) {
+ fprintf(stderr, "ERROR: unsupported number channels %u\n", (unsigned)x);
+ goto wav_abort_;
+ }
+ channels = x;
+ /* sample rate */
+ if(!read_little_endian_uint32(infile, &xx, false))
+ goto wav_abort_;
+ if(xx == 0 || xx > FLAC__MAX_SAMPLE_RATE) {
+ fprintf(stderr, "ERROR: unsupported sample rate %u\n", (unsigned)xx);
+ goto wav_abort_;
+ }
+ sample_rate = xx;
+ /* avg bytes per second (ignored) */
+ if(!read_little_endian_uint32(infile, &xx, false))
+ goto wav_abort_;
+ /* block align (ignored) */
+ if(!read_little_endian_uint16(infile, &x, false))
+ goto wav_abort_;
+ /* bits per sample */
+ if(!read_little_endian_uint16(infile, &x, false))
+ goto wav_abort_;
+ if(x != 8 && x != 16) {
+ fprintf(stderr, "ERROR: unsupported bits per sample %u\n", (unsigned)x);
+ goto wav_abort_;
+ }
+ bps = x;
+ is_unsigned_samples = (x == 8);
- while(data_bytes > 0) {
- bytes_read = fread(ucbuffer, sizeof(unsigned char), CHUNK_OF_SAMPLES * bytes_per_wide_sample, infile);
- if(bytes_read == 0) {
- if(ferror(infile)) {
- fprintf(stderr, "ERROR reading from %s\n", infilename);
- goto wav_abort_;
+ got_fmt_chunk = true;
}
- else if(feof(infile))
- break;
}
- else {
- if(bytes_read > data_bytes)
- bytes_read = data_bytes; /* chop off anything after the end of the data chunk */
- if(bytes_read % bytes_per_wide_sample != 0) {
- fprintf(stderr, "ERROR, got partial sample from input file %s\n", infilename);
+ else if(xx == 0x61746164) { /* "data" */
+ if(got_data_chunk) {
+ fprintf(stderr, "WARNING: skipping extra 'data' sub-chunk\n");
+ }
+ else if(!got_fmt_chunk) {
+ fprintf(stderr, "ERROR: got data sub-chunk before fmt sub-chunk\n");
goto wav_abort_;
}
else {
- unsigned wide_samples = bytes_read / bytes_per_wide_sample;
- format_input(wide_samples, false, is_unsigned_samples, channels, bps, &encoder_wrapper);
+ /* data size */
+ if(!read_little_endian_uint32(infile, &xx, false))
+ goto wav_abort_;
+ data_bytes = xx;
+
+ bytes_per_wide_sample = channels * (bps >> 3);
+
+ if(skip > 0) {
+ if(infile != stdin) {
+ if(-1 == fseek(infile, bytes_per_wide_sample * (unsigned)skip, SEEK_CUR)) {
+ fprintf(stderr, "ERROR seeking while skipping samples in input file %s\n", infilename);
+ goto wav_abort_;
+ }
+ }
+ else {
+ int64 left;
+ unsigned need;
+ for(left = (int64)skip; left > 0; left -= CHUNK_OF_SAMPLES) {
+ need = min(left, CHUNK_OF_SAMPLES);
+ if(fread(ucbuffer, 1, bytes_per_wide_sample * need, infile) < need) {
+ fprintf(stderr, "ERROR seeking while skipping samples in input file %s\n", infilename);
+ goto wav_abort_;
+ }
+ }
+ }
+ }
- /* NOTE: some versions of GCC can't figure out const-ness right and will give you an 'incompatible pointer type' warning on arg 2 here: */
- if(!FLAC__encoder_process(encoder_wrapper.encoder, input, wide_samples)) {
- fprintf(stderr, "ERROR during encoding, state = %d:%s\n", encoder_wrapper.encoder->state, FLAC__EncoderStateString[encoder_wrapper.encoder->state]);
+ encoder_wrapper.total_samples_to_encode = data_bytes / bytes_per_wide_sample - skip;
+ encoder_wrapper.unencoded_size = encoder_wrapper.total_samples_to_encode * bytes_per_wide_sample + 44; /* 44 for the size of the WAV headers */
+
+ if(!init_encoder(lax, do_mid_side, loose_mid_side, do_exhaustive_model_search, do_qlp_coeff_prec_search, min_residual_partition_order, max_residual_partition_order, rice_parameter_search_dist, max_lpc_order, blocksize, qlp_coeff_precision, channels, bps, sample_rate, padding, requested_seek_points, num_requested_seek_points, &encoder_wrapper))
goto wav_abort_;
+
+ encoder_wrapper.verify_fifo.into_frames = true;
+
+ while(data_bytes > 0) {
+ bytes_read = fread(ucbuffer, sizeof(unsigned char), CHUNK_OF_SAMPLES * bytes_per_wide_sample, infile);
+ if(bytes_read == 0) {
+ if(ferror(infile)) {
+ fprintf(stderr, "ERROR reading from %s\n", infilename);
+ goto wav_abort_;
+ }
+ else if(feof(infile))
+ break;
+ }
+ else {
+ if(bytes_read > data_bytes)
+ bytes_read = data_bytes; /* chop off anything after the end of the data chunk */
+ if(bytes_read % bytes_per_wide_sample != 0) {
+ fprintf(stderr, "ERROR, got partial sample from input file %s\n", infilename);
+ goto wav_abort_;
+ }
+ else {
+ unsigned wide_samples = bytes_read / bytes_per_wide_sample;
+ format_input(wide_samples, false, is_unsigned_samples, channels, bps, &encoder_wrapper);
+
+ /* NOTE: some versions of GCC can't figure out const-ness right and will give you an 'incompatible pointer type' warning on arg 2 here: */
+ if(!FLAC__encoder_process(encoder_wrapper.encoder, input, wide_samples)) {
+ fprintf(stderr, "ERROR during encoding, state = %d:%s\n", encoder_wrapper.encoder->state, FLAC__EncoderStateString[encoder_wrapper.encoder->state]);
+ goto wav_abort_;
+ }
+ data_bytes -= bytes_read;
+ }
+ }
}
- data_bytes -= bytes_read;
+ got_data_chunk = true;
+ }
+ }
+ else {
+ fprintf(stderr, "WARNING: skipping unknown sub-chunk '%c%c%c%c'\n", (char)(xx&255), (char)((xx>>8)&255), (char)((xx>>16)&255), (char)(xx>>24));
+ /* chunk size */
+ if(!read_little_endian_uint32(infile, &xx, false))
+ goto wav_abort_;
+ if(-1 == fseek(infile, xx, SEEK_CUR)) {
+ fprintf(stderr, "ERROR seeking ahead while skipping unsupported sub-chunk in input file %s\n", infilename);
+ goto wav_abort_;
}
}
}
+
wav_end_:
if(encoder_wrapper.encoder) {
if(encoder_wrapper.encoder->state == FLAC__ENCODER_OK)
FLAC__EncoderWriteStatus write_callback(const FLAC__Encoder *encoder, const byte buffer[], unsigned bytes, unsigned samples, unsigned current_frame, void *client_data)
{
encoder_wrapper_struct *encoder_wrapper = (encoder_wrapper_struct *)client_data;
- unsigned mask = (encoder->do_exhaustive_model_search || encoder->do_qlp_coeff_prec_search)? 0x07 : 0x1f;
+ unsigned mask = (encoder->do_exhaustive_model_search || encoder->do_qlp_coeff_prec_search)? 0x1f : 0x7f;
/* mark the current seek point if hit (if stream_offset == 0 that means we're still writing metadata and haven't hit the first frame yet) */
if(encoder_wrapper->stream_offset > 0 && encoder_wrapper->seek_table.num_points > 0) {
projects / platform / upstream / flac.git / commitdiff