X-Git-Url: https://code.delx.au/pulseaudio/blobdiff_plain/126e4cf89f5ccfe393e60a930c88ab513eeee085..2da3c47838ef548ba13965c145c408f0f01b94c9:/src/pulse/sample.c diff --git a/src/pulse/sample.c b/src/pulse/sample.c index 4aef5bb0..9698d8a5 100644 --- a/src/pulse/sample.c +++ b/src/pulse/sample.c @@ -6,7 +6,7 @@ PulseAudio is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published - by the Free Software Foundation; either version 2 of the License, + by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. PulseAudio is distributed in the hope that it will be useful, but @@ -28,65 +28,92 @@ #include #include +#include +#include + #include #include -#include #include "sample.h" -size_t pa_sample_size(const pa_sample_spec *spec) { +static const size_t size_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_SAMPLE_S32LE] = 4, + [PA_SAMPLE_S32BE] = 4, + [PA_SAMPLE_S24LE] = 3, + [PA_SAMPLE_S24BE] = 3, + [PA_SAMPLE_S24_32LE] = 4, + [PA_SAMPLE_S24_32BE] = 4 +}; + +size_t pa_sample_size_of_format(pa_sample_format_t f) { + pa_assert(f >= 0); + pa_assert(f < PA_SAMPLE_MAX); + + return size_table[f]; +} - 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_SAMPLE_S32LE] = 4, - [PA_SAMPLE_S32BE] = 4, - }; +size_t pa_sample_size(const pa_sample_spec *spec) { pa_assert(spec); - pa_assert(spec->format >= 0); - pa_assert(spec->format < PA_SAMPLE_MAX); + pa_return_val_if_fail(pa_sample_spec_valid(spec), 0); - return table[spec->format]; + return size_table[spec->format]; } size_t pa_frame_size(const pa_sample_spec *spec) { pa_assert(spec); + pa_return_val_if_fail(pa_sample_spec_valid(spec), 0); - return pa_sample_size(spec) * spec->channels; + return size_table[spec->format] * spec->channels; } size_t pa_bytes_per_second(const pa_sample_spec *spec) { pa_assert(spec); - return spec->rate*pa_frame_size(spec); + pa_return_val_if_fail(pa_sample_spec_valid(spec), 0); + + return spec->rate * size_table[spec->format] * spec->channels; } pa_usec_t pa_bytes_to_usec(uint64_t length, const pa_sample_spec *spec) { pa_assert(spec); + pa_return_val_if_fail(pa_sample_spec_valid(spec), 0); - return (((pa_usec_t) (length / pa_frame_size(spec)) * PA_USEC_PER_SEC) / spec->rate); + return (((pa_usec_t) (length / (size_table[spec->format] * spec->channels)) * PA_USEC_PER_SEC) / spec->rate); } size_t pa_usec_to_bytes(pa_usec_t t, const pa_sample_spec *spec) { pa_assert(spec); + pa_return_val_if_fail(pa_sample_spec_valid(spec), 0); + + return (size_t) (((t * spec->rate) / PA_USEC_PER_SEC)) * (size_table[spec->format] * spec->channels); +} + +pa_sample_spec* pa_sample_spec_init(pa_sample_spec *spec) { + pa_assert(spec); - return (size_t) (((t * spec->rate) / PA_USEC_PER_SEC)) * pa_frame_size(spec); + spec->format = PA_SAMPLE_INVALID; + spec->rate = 0; + spec->channels = 0; + + return spec; } int pa_sample_spec_valid(const pa_sample_spec *spec) { pa_assert(spec); - if (spec->rate <= 0 || + if (PA_UNLIKELY (spec->rate <= 0 || spec->rate > PA_RATE_MAX || spec->channels <= 0 || spec->channels > PA_CHANNELS_MAX || spec->format >= PA_SAMPLE_MAX || - spec->format < 0) + spec->format < 0)) return 0; return 1; @@ -96,6 +123,13 @@ int pa_sample_spec_equal(const pa_sample_spec*a, const pa_sample_spec*b) { pa_assert(a); pa_assert(b); + pa_return_val_if_fail(pa_sample_spec_valid(a), 0); + + if (PA_UNLIKELY(a == b)) + return 1; + + pa_return_val_if_fail(pa_sample_spec_valid(b), 0); + return (a->format == b->format) && (a->rate == b->rate) && @@ -113,6 +147,10 @@ const char *pa_sample_format_to_string(pa_sample_format_t f) { [PA_SAMPLE_FLOAT32BE] = "float32be", [PA_SAMPLE_S32LE] = "s32le", [PA_SAMPLE_S32BE] = "s32be", + [PA_SAMPLE_S24LE] = "s24le", + [PA_SAMPLE_S24BE] = "s24be", + [PA_SAMPLE_S24_32LE] = "s24-32le", + [PA_SAMPLE_S24_32BE] = "s24-32be", }; if (f < 0 || f >= PA_SAMPLE_MAX) @@ -123,28 +161,33 @@ const char *pa_sample_format_to_string(pa_sample_format_t f) { char *pa_sample_spec_snprint(char *s, size_t l, const pa_sample_spec *spec) { pa_assert(s); - pa_assert(l); + pa_assert(l > 0); pa_assert(spec); + pa_init_i18n(); + if (!pa_sample_spec_valid(spec)) - pa_snprintf(s, l, "Invalid"); + pa_snprintf(s, l, _("(invalid)")); else - pa_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); + pa_assert(l > 0); + + pa_init_i18n(); if (v >= ((unsigned) 1024)*1024*1024) - pa_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) - pa_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) - pa_snprintf(s, l, "%0.1f KiB", ((double) v)/1024); + pa_snprintf(s, l, _("%0.1f KiB"), ((double) v)/1024); else - pa_snprintf(s, l, "%u B", (unsigned) v); + pa_snprintf(s, l, _("%u B"), (unsigned) v); return s; } @@ -181,7 +224,56 @@ pa_sample_format_t pa_parse_sample_format(const char *format) { else if (strcasecmp(format, "s32ne") == 0 || strcasecmp(format, "s32") == 0 || strcasecmp(format, "32") == 0) return PA_SAMPLE_S32NE; else if (strcasecmp(format, "s32re") == 0) - return PA_SAMPLE_S32RE; + return PA_SAMPLE_S24RE; + else if (strcasecmp(format, "s24le") == 0) + return PA_SAMPLE_S24LE; + else if (strcasecmp(format, "s24be") == 0) + return PA_SAMPLE_S24BE; + else if (strcasecmp(format, "s24ne") == 0 || strcasecmp(format, "s24") == 0 || strcasecmp(format, "24") == 0) + return PA_SAMPLE_S24NE; + else if (strcasecmp(format, "s24re") == 0) + return PA_SAMPLE_S24RE; + else if (strcasecmp(format, "s24-32le") == 0) + return PA_SAMPLE_S24_32LE; + else if (strcasecmp(format, "s24-32be") == 0) + return PA_SAMPLE_S24_32BE; + else if (strcasecmp(format, "s24-32ne") == 0 || strcasecmp(format, "s24-32") == 0) + return PA_SAMPLE_S24_32NE; + else if (strcasecmp(format, "s24-32re") == 0) + return PA_SAMPLE_S24_32RE; return -1; } + +int pa_sample_format_is_le(pa_sample_format_t f) { + pa_assert(f >= PA_SAMPLE_U8); + pa_assert(f < PA_SAMPLE_MAX); + + switch (f) { + case PA_SAMPLE_S16LE: + case PA_SAMPLE_S24LE: + case PA_SAMPLE_S32LE: + case PA_SAMPLE_S24_32LE: + case PA_SAMPLE_FLOAT32LE: + return 1; + + case PA_SAMPLE_S16BE: + case PA_SAMPLE_S24BE: + case PA_SAMPLE_S32BE: + case PA_SAMPLE_S24_32BE: + case PA_SAMPLE_FLOAT32BE: + return 0; + + default: + return -1; + } +} + +int pa_sample_format_is_be(pa_sample_format_t f) { + int r; + + if ((r = pa_sample_format_is_le(f)) < 0) + return r; + + return !r; +}