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resampler: Add a choose_auto_resampler function

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This function returns our preferred resampler if the user choose the
auto (or if he has chosen an unsupported) resampler.
This commit is contained in:
poljar (Damir Jelić) 2013-08-07 19:55:44 +02:00
parent 8ab6c37e10
commit 9a590dd3f2
1 changed files with 15 additions and 10 deletions
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25
src/pulsecore/resampler.c
View file

@ -176,6 +176,19 @@ static int (* const init_table[])(pa_resampler*r) = {
[PA_RESAMPLER_PEAKS] = peaks_init,
};
static pa_resample_method_t choose_auto_resampler(pa_resample_flags_t flags) {
pa_resample_method_t method;
if (pa_resample_method_supported(PA_RESAMPLER_SPEEX_FLOAT_BASE + 1))
method = PA_RESAMPLER_SPEEX_FLOAT_BASE + 1;
else if (flags & PA_RESAMPLER_VARIABLE_RATE)
method = PA_RESAMPLER_TRIVIAL;
else
method = PA_RESAMPLER_FFMPEG;
return method;
}
static pa_resample_method_t pa_resampler_fix_method(
pa_resample_flags_t flags,
pa_resample_method_t method,
@ -224,16 +237,8 @@ static pa_resample_method_t pa_resampler_fix_method(
break;
}
if (method == PA_RESAMPLER_AUTO) {
#ifdef HAVE_SPEEX
method = PA_RESAMPLER_SPEEX_FLOAT_BASE + 1;
#else
if (flags & PA_RESAMPLER_VARIABLE_RATE)
method = PA_RESAMPLER_TRIVIAL;
else
method = PA_RESAMPLER_FFMPEG;
#endif
}
if (method == PA_RESAMPLER_AUTO)
method = choose_auto_resampler(flags);
return method;
}