diff options
Diffstat (limited to 'src/pulse/sample.c')
-rw-r--r-- | src/pulse/sample.c | 79 |
1 files changed, 45 insertions, 34 deletions
diff --git a/src/pulse/sample.c b/src/pulse/sample.c index ffdeedf7..ae2a0b9f 100644 --- a/src/pulse/sample.c +++ b/src/pulse/sample.c @@ -27,57 +27,58 @@ #endif #include <stdio.h> -#include <assert.h> #include <math.h> #include <string.h> +#include <pulsecore/core-util.h> +#include <pulsecore/macro.h> + #include "sample.h" size_t pa_sample_size(const pa_sample_spec *spec) { - assert(spec); - - switch (spec->format) { - case PA_SAMPLE_U8: - case PA_SAMPLE_ULAW: - case PA_SAMPLE_ALAW: - return 1; - case PA_SAMPLE_S16LE: - case PA_SAMPLE_S16BE: - return 2; - case PA_SAMPLE_FLOAT32LE: - case PA_SAMPLE_FLOAT32BE: - return 4; - default: - assert(0); - return 0; - } + + static const size_t table[] = { + [PA_SAMPLE_U8] = 1, + [PA_SAMPLE_ULAW] = 1, + [PA_SAMPLE_ALAW] = 1, + [PA_SAMPLE_S16LE] = 2, + [PA_SAMPLE_S16BE] = 2, + [PA_SAMPLE_FLOAT32LE] = 4, + [PA_SAMPLE_FLOAT32BE] = 4 + }; + + pa_assert(spec); + pa_assert(spec->format >= 0); + pa_assert(spec->format < PA_SAMPLE_MAX); + + return table[spec->format]; } size_t pa_frame_size(const pa_sample_spec *spec) { - assert(spec); + pa_assert(spec); return pa_sample_size(spec) * spec->channels; } size_t pa_bytes_per_second(const pa_sample_spec *spec) { - assert(spec); + pa_assert(spec); return spec->rate*pa_frame_size(spec); } pa_usec_t pa_bytes_to_usec(uint64_t length, const pa_sample_spec *spec) { - assert(spec); + pa_assert(spec); return (pa_usec_t) (((double) length/pa_frame_size(spec)*1000000)/spec->rate); } size_t pa_usec_to_bytes(pa_usec_t t, const pa_sample_spec *spec) { - assert(spec); + pa_assert(spec); return (size_t) (((double) t * spec->rate / 1000000))*pa_frame_size(spec); } int pa_sample_spec_valid(const pa_sample_spec *spec) { - assert(spec); + pa_assert(spec); if (spec->rate <= 0 || spec->rate > PA_RATE_MAX || @@ -91,7 +92,8 @@ int pa_sample_spec_valid(const pa_sample_spec *spec) { } int pa_sample_spec_equal(const pa_sample_spec*a, const pa_sample_spec*b) { - assert(a && b); + pa_assert(a); + pa_assert(b); return (a->format == b->format) && (a->rate == b->rate) && (a->channels == b->channels); } @@ -107,37 +109,42 @@ const char *pa_sample_format_to_string(pa_sample_format_t f) { [PA_SAMPLE_FLOAT32BE] = "float32be", }; - if (f >= PA_SAMPLE_MAX) + if (f < 0 || f >= PA_SAMPLE_MAX) return NULL; return table[f]; } char *pa_sample_spec_snprint(char *s, size_t l, const pa_sample_spec *spec) { - assert(s && l && spec); + pa_assert(s); + pa_assert(l); + pa_assert(spec); if (!pa_sample_spec_valid(spec)) - snprintf(s, l, "Invalid"); + pa_snprintf(s, l, "Invalid"); else - snprintf(s, l, "%s %uch %uHz", pa_sample_format_to_string(spec->format), spec->channels, spec->rate); + pa_snprintf(s, l, "%s %uch %uHz", pa_sample_format_to_string(spec->format), spec->channels, spec->rate); return s; } char* pa_bytes_snprint(char *s, size_t l, unsigned v) { + pa_assert(s); + if (v >= ((unsigned) 1024)*1024*1024) - snprintf(s, l, "%0.1f GiB", ((double) v)/1024/1024/1024); + pa_snprintf(s, l, "%0.1f GiB", ((double) v)/1024/1024/1024); else if (v >= ((unsigned) 1024)*1024) - snprintf(s, l, "%0.1f MiB", ((double) v)/1024/1024); + pa_snprintf(s, l, "%0.1f MiB", ((double) v)/1024/1024); else if (v >= (unsigned) 1024) - snprintf(s, l, "%0.1f KiB", ((double) v)/1024); + pa_snprintf(s, l, "%0.1f KiB", ((double) v)/1024); else - snprintf(s, l, "%u B", (unsigned) v); + pa_snprintf(s, l, "%u B", (unsigned) v); return s; } pa_sample_format_t pa_parse_sample_format(const char *format) { + pa_assert(format); if (strcasecmp(format, "s16le") == 0) return PA_SAMPLE_S16LE; @@ -145,15 +152,19 @@ pa_sample_format_t pa_parse_sample_format(const char *format) { return PA_SAMPLE_S16BE; else if (strcasecmp(format, "s16ne") == 0 || strcasecmp(format, "s16") == 0 || strcasecmp(format, "16") == 0) return PA_SAMPLE_S16NE; + else if (strcasecmp(format, "s16re") == 0) + return PA_SAMPLE_S16RE; else if (strcasecmp(format, "u8") == 0 || strcasecmp(format, "8") == 0) return PA_SAMPLE_U8; else if (strcasecmp(format, "float32") == 0 || strcasecmp(format, "float32ne") == 0) - return PA_SAMPLE_FLOAT32; + return PA_SAMPLE_FLOAT32NE; + else if (strcasecmp(format, "float32re") == 0) + return PA_SAMPLE_FLOAT32RE; else if (strcasecmp(format, "float32le") == 0) return PA_SAMPLE_FLOAT32LE; else if (strcasecmp(format, "float32be") == 0) return PA_SAMPLE_FLOAT32BE; - else if (strcasecmp(format, "ulaw") == 0) + else if (strcasecmp(format, "ulaw") == 0 || strcasecmp(format, "mulaw") == 0) return PA_SAMPLE_ULAW; else if (strcasecmp(format, "alaw") == 0) return PA_SAMPLE_ALAW; |