[PATCH 14/18] resampler: Add a choose_auto_resampler function

[poljarinho@xxxxxxxxx (poljar (Damir Jelić))]

This function returns our preferred resampler if the user choose the
auto (or if he has chosen an unsupported) resampler.
---
 src/pulsecore/resampler.c | 25 +++++++++++++++----------
 1 file changed, 15 insertions(+), 10 deletions(-)

diff --git a/src/pulsecore/resampler.c b/src/pulsecore/resampler.c
index c4434ff..eb1ee6c 100644
--- a/src/pulsecore/resampler.c
+++ b/src/pulsecore/resampler.c
@@ -182,6 +182,19 @@ static pa_resampler_implementation *impl_table[] = {
     [PA_RESAMPLER_PEAKS] = &peaks_impl,
 };
 
+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,
@@ -225,16 +238,8 @@ 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;
 }
-- 
1.8.3.2