Add ALSA playback support for 24 bits LSB audio.

Fixes #10081
MythTV · Oct 9, 2011 · a24ecbf · a24ecbf
1 parent 35468d7
commit a24ecbf
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Showing 2 changed files with 14 additions and 10 deletions.
diff --git a/mythtv/libs/libmyth/audiooutputalsa.cpp b/mythtv/libs/libmyth/audiooutputalsa.cpp
@@ -339,11 +339,12 @@ AudioOutputSettings* AudioOutputALSA::GetOutputSettings()
     {
         switch (fmt)
         {
-            case FORMAT_U8:  afmt = SND_PCM_FORMAT_U8;    break;
-            case FORMAT_S16: afmt = SND_PCM_FORMAT_S16;   break;
-            case FORMAT_S24: afmt = SND_PCM_FORMAT_S24;   break;
-            case FORMAT_S32: afmt = SND_PCM_FORMAT_S32;   break;
-            case FORMAT_FLT: afmt = SND_PCM_FORMAT_FLOAT; break;
+            case FORMAT_U8:     afmt = SND_PCM_FORMAT_U8;    break;
+            case FORMAT_S16:    afmt = SND_PCM_FORMAT_S16;   break;
+            case FORMAT_S24LSB: afmt = SND_PCM_FORMAT_S24;   break;
+            case FORMAT_S24:    afmt = SND_PCM_FORMAT_S32;   break;
+            case FORMAT_S32:    afmt = SND_PCM_FORMAT_S32;   break;
+            case FORMAT_FLT:    afmt = SND_PCM_FORMAT_FLOAT; break;
             default:         continue;
         }
         if (snd_pcm_hw_params_test_format(pcm_handle, params, afmt) >= 0)
@@ -415,11 +416,12 @@ bool AudioOutputALSA::OpenDevice()
 
     switch (output_format)
     {
-        case FORMAT_U8:  format = SND_PCM_FORMAT_U8;    break;
-        case FORMAT_S16: format = SND_PCM_FORMAT_S16;   break;
-        case FORMAT_S24: format = SND_PCM_FORMAT_S24;   break;
-        case FORMAT_S32: format = SND_PCM_FORMAT_S32;   break;
-        case FORMAT_FLT: format = SND_PCM_FORMAT_FLOAT; break;
+        case FORMAT_U8:     format = SND_PCM_FORMAT_U8;    break;
+        case FORMAT_S16:    format = SND_PCM_FORMAT_S16;   break;
+        case FORMAT_S24LSB: format = SND_PCM_FORMAT_S24;   break;
+        case FORMAT_S24:    format = SND_PCM_FORMAT_S32;   break;
+        case FORMAT_S32:    format = SND_PCM_FORMAT_S32;   break;
+        case FORMAT_FLT:    format = SND_PCM_FORMAT_FLOAT; break;
         default:
             Error(QString("Unknown sample format: %1").arg(output_format));
             return false;

diff --git a/mythtv/libs/libmyth/audiooutputsettings.cpp b/mythtv/libs/libmyth/audiooutputsettings.cpp
@@ -125,6 +125,8 @@ AudioFormat AudioOutputSettings::GetNextFormat()
 
 void AudioOutputSettings::AddSupportedFormat(AudioFormat format)
 {
+    VERBOSE(VB_AUDIO, LOC + QString("Format %1 is supported")
+            .arg(FormatToString(format)));
     m_formats.push_back(format);
 }