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Make DSD support depend on ALSA lib version

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This patch makes ALSA DSD sample format support depend on the ALSA lib version.
This commit is contained in:
Jurgen Kramer
2015-09-25 15:07:49 +02:00
parent 7de446c3c7
commit fa10bf6999
1 changed files with 9 additions and 0 deletions
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alsaaudio.c
+9
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@@ -21,6 +21,7 @@
#define PyLong_AS_LONG PyInt_AS_LONG
#endif
#include <alsa/asoundlib.h>
#include <alsa/version.h>
#include <stdio.h>
PyDoc_STRVAR(alsaaudio_module_doc,
@@ -2307,10 +2308,18 @@ PyObject *PyInit_alsaaudio(void)
_EXPORT_INT(m, "PCM_FORMAT_IMA_ADPCM",SND_PCM_FORMAT_IMA_ADPCM);
_EXPORT_INT(m, "PCM_FORMAT_MPEG",SND_PCM_FORMAT_MPEG);
_EXPORT_INT(m, "PCM_FORMAT_GSM",SND_PCM_FORMAT_GSM);
/* DSD sample formats are included in ALSA 1.0.29 and higher
* define OVERRIDE_DSD_COMPILE to include DSD sample support
* if you use a patched ALSA lib version
*/
#if SND_LIB_VERSION >= 0x1001d || defined OVERRIDE_DSD_COMPILE
_EXPORT_INT(m, "PCM_FORMAT_DSD_U8", SND_PCM_FORMAT_DSD_U8);
_EXPORT_INT(m, "PCM_FORMAT_DSD_U16_LE", SND_PCM_FORMAT_DSD_U16_LE);
_EXPORT_INT(m, "PCM_FORMAT_DSD_U32_LE", SND_PCM_FORMAT_DSD_U32_LE);
_EXPORT_INT(m, "PCM_FORMAT_DSD_U32_BE", SND_PCM_FORMAT_DSD_U32_BE);
#endif
/* Mixer stuff */
_EXPORT_INT(m, "MIXER_CHANNEL_ALL", MIXER_CHANNEL_ALL);