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CVS commit: pkgsrc/audio/portaudio



Module Name:    pkgsrc
Committed By:   nia
Date:           Wed Apr 15 17:12:14 UTC 2020

Modified Files:
        pkgsrc/audio/portaudio: Makefile distinfo
        pkgsrc/audio/portaudio/patches: patch-src_hostapi_oss_pa__unix__oss.c

Log Message:
portaudio: In the OSS hostapi, support additional sample formats.

While here, adjust some hacks around differences between NetBSD ossaudio
and OSSv4:

It turns out the problem was Audacity attempting to initialize with
an absurdly high sample rate. When a sample rate that's outside the
range of the kernel's maximum of 192000 is passed to SNDCTL_DSP_SPEED,
-1 was returned (until my commits today).

This is a violation of the OSSv4 spec in NetBSD. The spec states that if
an unsupported sample rate is requested, a supported one should be picked
and returned.


To generate a diff of this commit:
cvs rdiff -u -r1.28 -r1.29 pkgsrc/audio/portaudio/Makefile
cvs rdiff -u -r1.20 -r1.21 pkgsrc/audio/portaudio/distinfo
cvs rdiff -u -r1.3 -r1.4 \
    pkgsrc/audio/portaudio/patches/patch-src_hostapi_oss_pa__unix__oss.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: pkgsrc/audio/portaudio/Makefile
diff -u pkgsrc/audio/portaudio/Makefile:1.28 pkgsrc/audio/portaudio/Makefile:1.29
--- pkgsrc/audio/portaudio/Makefile:1.28        Mon Dec  2 10:08:20 2019
+++ pkgsrc/audio/portaudio/Makefile     Wed Apr 15 17:12:14 2020
@@ -1,8 +1,8 @@
-# $NetBSD: Makefile,v 1.28 2019/12/02 10:08:20 nia Exp $
+# $NetBSD: Makefile,v 1.29 2020/04/15 17:12:14 nia Exp $
 
 DISTNAME=      pa_stable_v190600_20161030
 PKGNAME=       ${DISTNAME:S/^pa_stable_v/portaudio-/1:S/_/./g}
-PKGREVISION=   2
+PKGREVISION=   3
 CATEGORIES=    audio
 MASTER_SITES=  http://www.portaudio.com/archives/
 EXTRACT_SUFX=  .tgz

Index: pkgsrc/audio/portaudio/distinfo
diff -u pkgsrc/audio/portaudio/distinfo:1.20 pkgsrc/audio/portaudio/distinfo:1.21
--- pkgsrc/audio/portaudio/distinfo:1.20        Sun Nov 24 13:15:15 2019
+++ pkgsrc/audio/portaudio/distinfo     Wed Apr 15 17:12:14 2020
@@ -1,4 +1,4 @@
-$NetBSD: distinfo,v 1.20 2019/11/24 13:15:15 nia Exp $
+$NetBSD: distinfo,v 1.21 2020/04/15 17:12:14 nia Exp $
 
 SHA1 (pa_stable_v190600_20161030.tgz) = 56c596bba820d90df7d057d8f6a0ec6bf9ab82e8
 RMD160 (pa_stable_v190600_20161030.tgz) = e6e5cd3f3cb7469aa17549c189e445d573567e13
@@ -11,4 +11,4 @@ SHA1 (patch-src_common_pa__front.c) = cd
 SHA1 (patch-src_common_pa__stream.c) = 58e6ab2a61957208973a59be2f1140abc922f360
 SHA1 (patch-src_common_pa__stream.h) = 94781a9ae79ea1340eea8caadc106416c019cf74
 SHA1 (patch-src_hostapi_alsa_pa__linux__alsa.c) = 6ddbeca36be30153f9c6c316c2fb78c06bbbf05d
-SHA1 (patch-src_hostapi_oss_pa__unix__oss.c) = 47678cab04dfd5c221bd15e2c8af741bca2d843c
+SHA1 (patch-src_hostapi_oss_pa__unix__oss.c) = 572c48f64104e22e7ae49acc54a26e549e381b5b

Index: pkgsrc/audio/portaudio/patches/patch-src_hostapi_oss_pa__unix__oss.c
diff -u pkgsrc/audio/portaudio/patches/patch-src_hostapi_oss_pa__unix__oss.c:1.3 pkgsrc/audio/portaudio/patches/patch-src_hostapi_oss_pa__unix__oss.c:1.4
--- pkgsrc/audio/portaudio/patches/patch-src_hostapi_oss_pa__unix__oss.c:1.3    Sun Nov 24 13:15:15 2019
+++ pkgsrc/audio/portaudio/patches/patch-src_hostapi_oss_pa__unix__oss.c        Wed Apr 15 17:12:14 2020
@@ -1,40 +1,92 @@
-$NetBSD: patch-src_hostapi_oss_pa__unix__oss.c,v 1.3 2019/11/24 13:15:15 nia Exp $
+$NetBSD: patch-src_hostapi_oss_pa__unix__oss.c,v 1.4 2020/04/15 17:12:14 nia Exp $
 
-Remove some rather pointless assertions that are incompatible with NetBSD's OSS
-emulation layer.
-
-Don't write an endless stream of silence when preparing the stream and don't try to
-use OSS in non-blocking mode or poll it on NetBSD, this is unsupported.
-
-Add features needed to make portmixer work with audacity.
+- Add 24-bit and 32-bit sample formats.
+- NetBSD-specific changes to make this map better to the emulation layer:
+  We don't need to initialize the stream by writing silence, etc.
+  PaOssStream_WaitForFrames hangs forever unless disabled, this may be a bug.
+- Add features needed to make portmixer work with audacity.
 
 --- src/hostapi/oss/pa_unix_oss.c.orig 2016-10-30 01:23:04.000000000 +0000
 +++ src/hostapi/oss/pa_unix_oss.c
-@@ -1040,23 +1040,13 @@ static PaError PaOssStreamComponent_Conf
+@@ -65,7 +65,7 @@
+ 
+ #ifdef HAVE_SYS_SOUNDCARD_H
+ # include <sys/soundcard.h>
+-# ifdef __NetBSD__
++# if defined(__NetBSD__) || defined(__OpenBSD__)
+ #  define DEVICE_NAME_BASE           "/dev/audio"
+ # else
+ #  define DEVICE_NAME_BASE           "/dev/dsp"
+@@ -417,7 +417,12 @@ static PaError QueryDirection( const cha
+     /* Get supported sample rate closest to 44100 Hz */
+     if( *defaultSampleRate < 0 )
+     {
++#ifdef __NetBSD__
++        /* Less likely to require in-kernel conversion. */
++        sr = 48000;
++#else
+         sr = 44100;
++#endif
+         ENSURE_( ioctl( devHandle, SNDCTL_DSP_SPEED, &sr ), paUnanticipatedHostError );
+ 
+         *defaultSampleRate = sr;
+@@ -938,6 +943,16 @@ static PaError Pa2OssFormat( PaSampleFor
+         case paInt16:
+             *ossFormat = AFMT_S16_NE;
+             break;
++#ifdef AFMT_S24_NE
++        case paInt24:
++            *ossFormat = AFMT_S24_NE;
++            break;
++#endif
++#ifdef AFMT_S32_NE
++        case paInt32:
++            *ossFormat = AFMT_S32_NE;
++            break;
++#endif
+         default:
+             return paInternalError;     /* This shouldn't happen */
+     }
+@@ -961,6 +976,14 @@ static PaError GetAvailableFormats( PaOs
+         frmts |= paInt8;
+     if( mask & AFMT_S16_NE )
+         frmts |= paInt16;
++#ifdef AFMT_S24_NE
++    if( mask & AFMT_S24_NE )
++        frmts |= paInt24;
++#endif
++#ifdef AFMT_S32_NE
++    if( mask & AFMT_S32_NE )
++        frmts |= paInt32;
++#endif
+     else
+         result = paSampleFormatNotSupported;
+ 
+@@ -1040,12 +1063,23 @@ static PaError PaOssStreamComponent_Conf
          PA_ENSURE( Pa2OssFormat( hostFormat, &temp ) );
          nativeFormat = temp;
          ENSURE_( ioctl( component->fd, SNDCTL_DSP_SETFMT, &temp ), paUnanticipatedHostError );
--        PA_UNLESS( temp == nativeFormat, paInternalError );
++        PA_DEBUG(("%s: Wanted %d, selected format was %d\n", __FUNCTION__, nativeFormat, temp ));
+         PA_UNLESS( temp == nativeFormat, paInternalError );
  
          /* try to set the number of channels */
          ENSURE_( ioctl( component->fd, SNDCTL_DSP_CHANNELS, &chans ), paSampleFormatNotSupported );   /* XXX: Should be paInvalidChannelCount? */
--        /* It's possible that the minimum number of host channels is greater than what the user requested */
--        PA_UNLESS( chans >= component->userChannelCount, paInvalidChannelCount );
++#ifndef __NetBSD__
+         /* It's possible that the minimum number of host channels is greater than what the user requested */
++        /* On NetBSD it's possible that the number is less than what the user requested, e.g. if the device is a mono mic */
+         PA_UNLESS( chans >= component->userChannelCount, paInvalidChannelCount );
++#endif
++
++#ifdef __NetBSD__
++        /* Make the sample rate conform to hard kernel limits */
++        /* This can likely be removed after NetBSD 10... SNDCTL_DSP_SPEED should never return an error code. */
++        sr = sr > 192000 ? 192000 : sr;
++        sr = sr < 1000 ? 1000 : sr;
++#endif
  
          /* try to set the sample rate */
          ENSURE_( ioctl( component->fd, SNDCTL_DSP_SPEED, &sr ), paInvalidSampleRate );
- 
--        /* reject if there's no sample rate within 1% of the one requested */
--        if( (fabs( sampleRate - sr ) / sampleRate) > 0.01 )
--        {
--            PA_DEBUG(("%s: Wanted %f, closest sample rate was %d\n", __FUNCTION__, sampleRate, sr ));
--            PA_ENSURE( paInvalidSampleRate );
--        }
--
-         ENSURE_( ioctl( component->fd, streamMode == StreamMode_In ? SNDCTL_DSP_GETISPACE : SNDCTL_DSP_GETOSPACE, &bufInfo ),
-                 paUnanticipatedHostError );
-         component->numBufs = bufInfo.fragstotal;
-@@ -1477,6 +1467,7 @@ static PaError PaOssStream_Prepare( PaOs
+@@ -1477,6 +1511,7 @@ static PaError PaOssStream_Prepare( PaOs
          size_t bufSz = PaOssStreamComponent_BufferSize( stream->playback );
          memset( stream->playback->buffer, 0, bufSz );
  
@@ -42,7 +94,7 @@ Add features needed to make portmixer wo
          /* Looks like we have to turn off blocking before we try this, but if we don't fill the buffer
           * OSS will complain. */
          PA_ENSURE( ModifyBlocking( stream->playback->fd, 0 ) );
-@@ -1486,6 +1477,7 @@ static PaError PaOssStream_Prepare( PaOs
+@@ -1486,6 +1521,7 @@ static PaError PaOssStream_Prepare( PaOs
                  break;
          }
          PA_ENSURE( ModifyBlocking( stream->playback->fd, 1 ) );
@@ -50,7 +102,7 @@ Add features needed to make portmixer wo
      }
  
      if( stream->sharedDevice )
-@@ -1652,6 +1644,7 @@ static void *PaOSS_AudioThreadProc( void
+@@ -1652,6 +1688,7 @@ static void *PaOSS_AudioThreadProc( void
              callbackResult = paComplete;
          }
  
@@ -58,7 +110,7 @@ Add features needed to make portmixer wo
          /* Aspect StreamState: Because of the messy OSS scheme we can't explicitly trigger device start unless
           * the stream has been recently started, we will have to go right ahead and read/write in blocking
           * fashion to trigger operation. Therefore we begin with processing one host buffer before we switch
-@@ -1667,6 +1660,9 @@ static void *PaOSS_AudioThreadProc( void
+@@ -1667,6 +1704,9 @@ static void *PaOSS_AudioThreadProc( void
          {
              framesAvail = stream->framesPerHostBuffer;
          }
@@ -68,7 +120,7 @@ Add features needed to make portmixer wo
  
          while( framesAvail > 0 )
          {
-@@ -1749,11 +1745,13 @@ static void *PaOSS_AudioThreadProc( void
+@@ -1749,11 +1789,13 @@ static void *PaOSS_AudioThreadProc( void
  
          if( initiateProcessing || !triggered )
          {
@@ -82,7 +134,7 @@ Add features needed to make portmixer wo
  
              initiateProcessing = 0;
              sem_post( &stream->semaphore );
-@@ -2043,3 +2041,26 @@ error:
+@@ -2043,3 +2085,26 @@ error:
  #endif
  }
  



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