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Diffstat (limited to 'third_party/resample/src/sndlibextra.c')
-rw-r--r-- | third_party/resample/src/sndlibextra.c | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/third_party/resample/src/sndlibextra.c b/third_party/resample/src/sndlibextra.c deleted file mode 100644 index c756cb10..00000000 --- a/third_party/resample/src/sndlibextra.c +++ /dev/null @@ -1,90 +0,0 @@ -/* sndlibextra.c - - An interface to the low-level sndlib functions contained in sndlib/headers.c - and sndlib/io.c, designed for use by the resample program. - (sndlibextra.c is a stripped-down version of sndlibsupport.c in RTcmix.) - - - John Gibson (jgg9c@virginia.edu) -*/ -#include <assert.h> -#include <string.h> -#include "sndlibextra.h" - -/* #define NDEBUG */ /* define to disable asserts */ - -/* ---------------------------------------------------- sndlib_create --- */ -/* Creates a new file and writes a header with the given characteristics. - <type> is a sndlib constant for header type (e.g. MUS_AIFF). - <format> is a sndlib constant for sound data format (e.g. snd_16_linear). - (These constants are defined in sndlib.h.) Caller is responsible for - checking that the header type and data format are compatible, and that - the header type is one that sndlib can write (is WRITEABLE_HEADER_TYPE()). - Writes no comment. - - NOTE: This will truncate an existing file with <sfname>, so check first! - - On success, returns a standard file descriptor, and leaves the file - position pointer at the end of the header. - On failure, returns -1. Caller can check errno then. -*/ -int -sndlib_create(char *sfname, /* file name */ - int type, /* file type, e.g. AIFF */ - int format, /* data format, e.g., MU-LAW */ - int srate, /* sampling rate in Hz */ - int chans, /* 1 for mono, 2 for stereo */ - char *comment) -{ - int fd, loc; - assert(sfname != NULL && strlen(sfname) <= FILENAME_MAX); - mus_header_initialize(); // make sure relevant parts of sndlib are initialized - //resample-1.8: sndlib_write_header(fd, 0, type, format, srate, chans, comment, &loc) - //resample-1.8: mus_file_open_descriptors(fd, format, mus_header_data_format_to_bytes_per_sample(),loc); - // int mus_file_open_descriptors(int tfd, const char *arg, int df, int ds, off_t dl, int dc, int dt); - fd = mus_sound_open_output(sfname, srate, chans, format, type, "created by resample"); - return fd; -} - -/* ------------------------------------------ sndlib_allocate_buffers --- */ -/* Allocate the multi-dimensional array required by sndlib I/O functions. - Returns an array of <nchans> arrays of <nframes> integers. The memory - is cleared. If the return value is NULL, check errno. -*/ -int ** -sndlib_allocate_buffers(int nchans, int nframes) -{ - int **bufs, n; - - assert(nchans > 0 && nframes > 0); - - bufs = (int **)calloc(nchans, sizeof(int *)); - if (bufs == NULL) - return NULL; - - for (n = 0; n < nchans; n++) { - bufs[n] = (int *)calloc(nframes, sizeof(int)); - if (bufs[n] == NULL) { - sndlib_free_buffers(bufs, nchans); - return NULL; - } - } - - return bufs; -} - - -/* ---------------------------------------------- sndlib_free_buffers --- */ -/* Free the multi-dimensional array <bufs> with <nchans> elements. -*/ -void -sndlib_free_buffers(int **bufs, int nchans) -{ - int n; - - assert(bufs != NULL); - - for (n = 0; n < nchans; n++) - if (bufs[n]) - free(bufs[n]); - free(bufs); -} |