From a3fd7dff56efd71e84ee867090ff1f21142b5ad8 Mon Sep 17 00:00:00 2001
From: Moritz Bunkus <moritz@bunkus.org>
Date: Tue, 9 Sep 2003 19:33:40 +0000
Subject: [PATCH] Support for setting the output sampling frequency.

---
 src/pr_generic.cpp | 16 +++++++++++++---
 src/pr_generic.h   |  3 ++-
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/src/pr_generic.cpp b/src/pr_generic.cpp
index e27e9f244..c001ebc3b 100644
--- a/src/pr_generic.cpp
+++ b/src/pr_generic.cpp
@@ -127,6 +127,7 @@ generic_packetizer_c::generic_packetizer_c(generic_reader_c *nreader,
   hcodec_private_length = 0;
 
   haudio_sampling_freq = -1.0;
+  haudio_output_sampling_freq = -1.0;
   haudio_channels = -1;
   haudio_bit_depth = -1;
 
@@ -275,6 +276,10 @@ void generic_packetizer_c::set_audio_sampling_freq(float freq) {
   haudio_sampling_freq = freq;
 }
 
+void generic_packetizer_c::set_audio_output_sampling_freq(float freq) {
+  haudio_output_sampling_freq = freq;
+}
+
 void generic_packetizer_c::set_audio_channels(int channels) {
   haudio_channels = channels;
 }
@@ -462,15 +467,20 @@ void generic_packetizer_c::set_headers() {
       GetChild<KaxTrackAudio>(*track_entry);
 
     if (haudio_sampling_freq != -1.0)
-      *(static_cast<EbmlFloat *> (&GetChild<KaxAudioSamplingFreq>(audio))) =
+      *(static_cast<EbmlFloat *>(&GetChild<KaxAudioSamplingFreq>(audio))) =
         haudio_sampling_freq;
 
+    if (haudio_output_sampling_freq != -1.0)
+      *(static_cast<EbmlFloat *>
+        (&GetChild<KaxAudioOutputSamplingFreq>(audio))) =
+        haudio_output_sampling_freq;
+
     if (haudio_channels != -1)
-      *(static_cast<EbmlUInteger *> (&GetChild<KaxAudioChannels>(audio))) =
+      *(static_cast<EbmlUInteger *>(&GetChild<KaxAudioChannels>(audio))) =
         haudio_channels;
 
     if (haudio_bit_depth != -1)
-      *(static_cast<EbmlUInteger *> (&GetChild<KaxAudioBitDepth>(audio))) =
+      *(static_cast<EbmlUInteger *>(&GetChild<KaxAudioBitDepth>(audio))) =
         haudio_bit_depth;
 
   }
diff --git a/src/pr_generic.h b/src/pr_generic.h
index 94f4598e6..662e62ba1 100644
--- a/src/pr_generic.h
+++ b/src/pr_generic.h
@@ -136,7 +136,7 @@ protected:
   unsigned char *hcodec_private;
   int hcodec_private_length;
 
-  float haudio_sampling_freq;
+  float haudio_sampling_freq, haudio_output_sampling_freq;
   int haudio_channels, haudio_bit_depth;
 
   int hvideo_pixel_width, hvideo_pixel_height;
@@ -193,6 +193,7 @@ public:
   virtual int64_t get_track_default_duration_ns();
 
   virtual void set_audio_sampling_freq(float freq);
+  virtual void set_audio_output_sampling_freq(float freq);
   virtual void set_audio_channels(int channels);
   virtual void set_audio_bit_depth(int bit_depth);