Add a missing #define to our MSVC project (portaudio_backend)

[ardour.git] / libs / ardour / export_format_base.cc

diff --git a/libs/ardour/export_format_base.cc b/libs/ardour/export_format_base.cc
index bddd61d0abfd93b7487c9f75d0a59a8225a692da..1eda44991550f3e6267170c3f3718faef8c80fc7 100644 (file)
--- a/libs/ardour/export_format_base.cc
+++ b/libs/ardour/export_format_base.cc
@@ -18,7 +18,7 @@
 
 */
 
-#include <ardour/export_format_base.h>
+#include "ardour/export_format_base.h"
 
 namespace ARDOUR
 {
@@ -46,7 +46,7 @@ ExportFormatBase::SelectableCompatible::set_compatible (bool value)
 
 ExportFormatBase::ExportFormatBase ()
 {
-       
+
 }
 
 ExportFormatBase::ExportFormatBase (ExportFormatBase const & other) :
@@ -61,7 +61,7 @@ ExportFormatBase::ExportFormatBase (ExportFormatBase const & other) :
 
 ExportFormatBase::~ExportFormatBase ()
 {
-       
+
 }
 
 boost::shared_ptr<ExportFormatBase>
@@ -70,12 +70,6 @@ ExportFormatBase::get_intersection (ExportFormatBase const & other) const
        return do_set_operation (other, SetIntersection);
 }
 
-boost::shared_ptr<ExportFormatBase>
-ExportFormatBase::get_difference (ExportFormatBase const & other) const
-{
-       return do_set_operation (other, SetDifference);
-}
-
 boost::shared_ptr<ExportFormatBase>
 ExportFormatBase::get_union (ExportFormatBase const & other) const
 {
@@ -86,9 +80,9 @@ boost::shared_ptr<ExportFormatBase>
 ExportFormatBase::do_set_operation (ExportFormatBase const & other, SetOperation operation) const
 {
        boost::shared_ptr<ExportFormatBase> result (new ExportFormatBase ());
-       
+
        /* Sets */
-       
+
        // Endiannesses
        {
                EndianSet::const_iterator start1 = endiannesses.begin();
@@ -96,20 +90,17 @@ ExportFormatBase::do_set_operation (ExportFormatBase const & other, SetOperation
                EndianSet::const_iterator start2 = other.endiannesses.begin();
                EndianSet::const_iterator end2 = other.endiannesses.end();
                std::insert_iterator<EndianSet> insert (result->endiannesses, result->endiannesses.begin());
-               
+
                switch (operation) {
                  case SetIntersection:
                        std::set_intersection (start1, end1, start2, end2, insert);
                        break;
-                 case SetDifference:
-                       std::set_difference (start1, end1, start2, end2, insert);
-                       break;
                  case SetUnion:
                        std::set_union (start1, end1, start2, end2, insert);
                        break;
                }
        }
-               
+
        // Sample formats
        {
                SampleFormatSet::const_iterator start1 = sample_formats.begin();
@@ -117,21 +108,18 @@ ExportFormatBase::do_set_operation (ExportFormatBase const & other, SetOperation
                SampleFormatSet::const_iterator start2 = other.sample_formats.begin();
                SampleFormatSet::const_iterator end2 = other.sample_formats.end();
                std::insert_iterator<SampleFormatSet> insert (result->sample_formats, result->sample_formats.begin());
-               
+
                switch (operation) {
                  case SetIntersection:
                        std::set_intersection (start1, end1, start2, end2, insert);
                        break;
-                 case SetDifference:
-                       std::set_difference (start1, end1, start2, end2, insert);
-                       break;
                  case SetUnion:
                        std::set_union (start1, end1, start2, end2, insert);
                        break;
                }
        }
-       
-               
+
+
        // Sample rates
        {
                SampleRateSet::const_iterator start1 = sample_rates.begin();
@@ -139,20 +127,17 @@ ExportFormatBase::do_set_operation (ExportFormatBase const & other, SetOperation
                SampleRateSet::const_iterator start2 = other.sample_rates.begin();
                SampleRateSet::const_iterator end2 = other.sample_rates.end();
                std::insert_iterator<SampleRateSet> insert (result->sample_rates, result->sample_rates.begin());
-       
+
                switch (operation) {
                  case SetIntersection:
                        std::set_intersection (start1, end1, start2, end2, insert);
                        break;
-                 case SetDifference:
-                       std::set_difference (start1, end1, start2, end2, insert);
-                       break;
                  case SetUnion:
                        std::set_union (start1, end1, start2, end2, insert);
                        break;
                }
        }
-       
+
        // Format ids
        {
                FormatSet::const_iterator start1 = format_ids.begin();
@@ -160,20 +145,17 @@ ExportFormatBase::do_set_operation (ExportFormatBase const & other, SetOperation
                FormatSet::const_iterator start2 = other.format_ids.begin();
                FormatSet::const_iterator end2 = other.format_ids.end();
                std::insert_iterator<FormatSet> insert (result->format_ids, result->format_ids.begin());
-       
+
                switch (operation) {
                  case SetIntersection:
                        std::set_intersection (start1, end1, start2, end2, insert);
                        break;
-                 case SetDifference:
-                       std::set_difference (start1, end1, start2, end2, insert);
-                       break;
                  case SetUnion:
                        std::set_union (start1, end1, start2, end2, insert);
                        break;
                }
        }
-       
+
        // Qualities
        {
                QualitySet::const_iterator start1 = qualities.begin();
@@ -181,21 +163,44 @@ ExportFormatBase::do_set_operation (ExportFormatBase const & other, SetOperation
                QualitySet::const_iterator start2 = other.qualities.begin();
                QualitySet::const_iterator end2 = other.qualities.end();
                std::insert_iterator<QualitySet> insert (result->qualities, result->qualities.begin());
-       
+
                switch (operation) {
                  case SetIntersection:
                        std::set_intersection (start1, end1, start2, end2, insert);
                        break;
-                 case SetDifference:
-                       std::set_difference (start1, end1, start2, end2, insert);
-                       break;
                  case SetUnion:
                        std::set_union (start1, end1, start2, end2, insert);
                        break;
                }
        }
-       
+
        return result;
 }
 
+ExportFormatBase::SampleRate
+ExportFormatBase::nearest_sample_rate (framecnt_t sample_rate)
+{
+       int diff = 0;
+       int smallest_diff = INT_MAX;
+       SampleRate best_match = SR_None;
+
+       #define DO_SR_COMPARISON(rate) \
+       diff = std::fabs((double)((rate) - sample_rate)); \
+       if(diff < smallest_diff) { \
+               smallest_diff = diff; \
+               best_match = (rate); \
+       }
+
+       DO_SR_COMPARISON(SR_8);
+       DO_SR_COMPARISON(SR_22_05);
+       DO_SR_COMPARISON(SR_44_1);
+       DO_SR_COMPARISON(SR_48);
+       DO_SR_COMPARISON(SR_88_2);
+       DO_SR_COMPARISON(SR_96);
+       DO_SR_COMPARISON(SR_192);
+
+       return best_match;
+       #undef DO_SR_COMPARISON
+}
+
 }; // namespace ARDOUR