diff options
| author | Taylor Holberton <taylorcholbrcholberton@gmail.com> | 2020-06-03 21:31:48 -0400 |
|---|---|---|
| committer | Taylor Holberton <taylorcholbrcholberton@gmail.com> | 2020-06-03 21:31:48 -0400 |
| commit | 9c9b2a51fb0ec23b7e648fb942c133f0c52cbc1c (patch) | |
| tree | 29ea7c72da7a13ed9c184c559c5d94dde0bba06f | |
| parent | 0c601a3c65d87343f4cb12339f90ffb612069000 (diff) | |
Simplified tinywavinfo
| -rw-r--r-- | utils/tinywavinfo.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/utils/tinywavinfo.c b/utils/tinywavinfo.c index c316060..a6d6200 100644 --- a/utils/tinywavinfo.c +++ b/utils/tinywavinfo.c @@ -141,21 +141,22 @@ void analyse_sample(FILE *file, unsigned int channels, unsigned int bits, int i; unsigned int ch; int frame_size = 1024; - unsigned int byte_align = 0; + unsigned int bytes_per_sample = 0; float *power; int total_sample_per_channel; float normalization_factor; if (bits == 32) - byte_align = 4; + bytes_per_sample = 4; else if (bits == 16) - byte_align = 2; + bytes_per_sample = 2; normalization_factor = (float)pow(2.0, (bits-1)); - size = channels * byte_align * frame_size; + size = channels * bytes_per_sample * frame_size; - if (posix_memalign(&buffer, byte_align, size)) { + buffer = malloc(size); + if (!buffer) { fprintf(stderr, "Unable to allocate %d bytes\n", size); free(buffer); return; @@ -163,7 +164,7 @@ void analyse_sample(FILE *file, unsigned int channels, unsigned int bits, power = (float *) calloc(channels, sizeof(float)); - total_sample_per_channel = data_chunk_size / (channels * byte_align); + total_sample_per_channel = data_chunk_size / (channels * bytes_per_sample); /* catch ctrl-c to shutdown cleanly */ signal(SIGINT, stream_close); @@ -171,7 +172,7 @@ void analyse_sample(FILE *file, unsigned int channels, unsigned int bits, do { num_read = fread(buffer, 1, size, file); if (num_read > 0) { - if (2 == byte_align) { + if (2 == bytes_per_sample) { short *buffer_ptr = (short *)buffer; for (i = 0; i < num_read; i += channels) { for (ch = 0; ch < channels; ch++) { @@ -182,7 +183,7 @@ void analyse_sample(FILE *file, unsigned int channels, unsigned int bits, } } } - if (4 == byte_align) { + if (4 == bytes_per_sample) { int *buffer_ptr = (int *)buffer; for (i = 0; i < num_read; i += channels) { for (ch = 0; ch < channels; ch++) { |