Ticket #54125: patch-audacity-portmixer.diff

configure.in

@@ -420 +420 @@
                    DLL_LIBS="$DLL_LIBS -lossaudio"
                    LIBS="$LIBS -lossaudio"
            fi
+           INCLUDES="$INCLUDES pa_unix_oss.h"
            AC_DEFINE(PA_USE_OSS,1)
         fi
 

include/pa_win_ds.h

@@ -86 +86 @@
 
 }PaWinDirectSoundStreamInfo;
 
+/** Retrieve the GUID of the input device.
+
+ @param stream The stream to query.
+
+ @return A pointer to the GUID, or NULL if none.
+*/
+LPGUID PaWinDS_GetStreamInputGUID( PaStream* s );
+
+/** Retrieve the GUID of the output device.
+
+ @param stream The stream to query.
+
+ @return A pointer to the GUID, or NULL if none.
+*/
+LPGUID PaWinDS_GetStreamOutputGUID( PaStream* s );
 
 
 #ifdef __cplusplus

include/portaudio.h

@@ -1197 +1197 @@
 signed long Pa_GetStreamWriteAvailable( PaStream* stream );
 
 
+/** Retrieve the host type handling an open stream.
+
+ @return Returns a non-negative value representing the host API type
+ handling an open stream or, a PaErrorCode (which are always negative)
+ if PortAudio is not initialized or an error is encountered.
+*/
+PaHostApiTypeId Pa_GetStreamHostApiType( PaStream* stream );
+
+
 /* Miscellaneous utilities */
 
 

src/common/pa_front.c

@@ -1257 +1257 @@
                                   hostApiInputParametersPtr, hostApiOutputParametersPtr,
                                   sampleRate, framesPerBuffer, streamFlags, streamCallback, userData );
 
-    if( result == paNoError )
+    if( result == paNoError ) {
         AddOpenStream( *stream );
+        PA_STREAM_REP(*stream)->hostApiType = hostApi->info.type;
+    }
 
 
     PA_LOGAPI(("Pa_OpenStream returned:\n" ));
@@ -1770 +1772 @@
     return result;
 }
 
+PaHostApiTypeId Pa_GetStreamHostApiType( PaStream* stream )
+{
+    PaError error = PaUtil_ValidateStreamPointer( stream );
+    PaHostApiTypeId result;
+
+#ifdef PA_LOG_API_CALLS
+    PaUtil_DebugPrint("Pa_GetStreamHostApiType called:\n" );
+    PaUtil_DebugPrint("\tPaStream* stream: 0x%p\n", stream );
+#endif
+
+    if( error == paNoError )
+    {
+        result = PA_STREAM_REP(stream)->hostApiType;
+    }
+    else
+    {
+        result = (PaHostApiTypeId) error;
+    }
+
+#ifdef PA_LOG_API_CALLS
+    PaUtil_DebugPrint("Pa_GetStreamHostApiType returned:\n" );
+    PaUtil_DebugPrint("\tPaError: %d ( %s )\n\n", result, Pa_GetErrorText( result ) );
+#endif
+
+    return result;
+}
 
 PaError Pa_GetSampleSize( PaSampleFormat format )
 {

src/common/pa_stream.c

@@ -93 +93 @@
     streamRepresentation->streamInfo.inputLatency = 0.;
     streamRepresentation->streamInfo.outputLatency = 0.;
     streamRepresentation->streamInfo.sampleRate = 0.;
+
+    streamRepresentation->hostApiType = 0;
 }
 
 

src/common/pa_stream.h

@@ -152 +152 @@
     PaStreamFinishedCallback *streamFinishedCallback;
     void *userData;
     PaStreamInfo streamInfo;
+    PaHostApiTypeId hostApiType;
 } PaUtilStreamRepresentation;
 
 

src/hostapi/alsa/pa_linux_alsa.c

@@ -621 +621 @@
     StreamDirection streamDir;
 
     snd_pcm_channel_area_t *channelAreas;  /* Needed for channel adaption */
+    int card;
 } PaAlsaStreamComponent;
 
 /* Implementation specific stream structure */
@@ -1873 +1874 @@
 {
     PaError result = paNoError;
     PaSampleFormat userSampleFormat = params->sampleFormat, hostSampleFormat = paNoError;
+    snd_pcm_info_t* pcmInfo;
     assert( params->channelCount > 0 );
 
     /* Make sure things have an initial value */
@@ -1900 +1902 @@
     self->device = params->device;
 
     PA_ENSURE( AlsaOpen( &alsaApi->baseHostApiRep, params, streamDir, &self->pcm ) );
+
+    snd_pcm_info_alloca( &pcmInfo );
+    self->card = snd_pcm_info_get_card( pcmInfo );
     self->nfds = alsa_snd_pcm_poll_descriptors_count( self->pcm );
 
     PA_ENSURE( hostSampleFormat = PaUtil_SelectClosestAvailableFormat( GetAvailableFormats( self->pcm ), userSampleFormat ) );
@@ -4605 +4610 @@
     /* XXX: More descriptive error? */
     PA_UNLESS( stream->capture.pcm, paDeviceUnavailable );
 
-    alsa_snd_pcm_info_alloca( &pcmInfo );
-    PA_ENSURE( alsa_snd_pcm_info( stream->capture.pcm, pcmInfo ) );
-    *card = alsa_snd_pcm_info_get_card( pcmInfo );
+    *card = stream->capture.card;
 
 error:
     return result;
@@ -4624 +4627 @@
     /* XXX: More descriptive error? */
     PA_UNLESS( stream->playback.pcm, paDeviceUnavailable );
 
-    alsa_snd_pcm_info_alloca( &pcmInfo );
-    PA_ENSURE( alsa_snd_pcm_info( stream->playback.pcm, pcmInfo ) );
-    *card = alsa_snd_pcm_info_get_card( pcmInfo );
+    *card = stream->playback.card;
 
 error:
     return result;

src/hostapi/coreaudio/pa_mac_core_blocking.c

@@ -66 +66 @@
 #ifdef MOSX_USE_NON_ATOMIC_FLAG_BITS
 # define OSAtomicOr32( a, b ) ( (*(b)) |= (a) )
 # define OSAtomicAnd32( a, b ) ( (*(b)) &= (a) )
+#elif MAC_OS_X_VERSION_MAX_ALLOWED <= MAC_OS_X_VERSION_10_3
+# define OSAtomicOr32( a, b ) BitOrAtomic( a, (UInt32 *) b )
+# define OSAtomicAnd32( a, b ) BitAndAtomic( a, (UInt32 *) b )
 #else
 # include <libkern/OSAtomic.h>
 #endif

src/hostapi/oss/pa_unix_oss.c

@@ -2043 +2043 @@
 #endif
 }
 
+const char *PaOSS_GetStreamInputDevice( PaStream* s )
+{
+    PaOssStream *stream = (PaOssStream*)s;
+
+    if( stream->capture )
+    {
+      return stream->capture->devName;
+    }
+
+   return NULL;
+}
+
+const char *PaOSS_GetStreamOutputDevice( PaStream* s )
+{
+    PaOssStream *stream = (PaOssStream*)s;
+
+    if( stream->playback )
+    {
+      return stream->playback->devName;
+    }
+
+   return NULL;
+}