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| author | Ilya Konstantinov <ilya.konstantinov@gmail.com> | 2015-04-15 20:13:27 +0300 |
|---|---|---|
| committer | Arun Raghavan <git@arunraghavan.net> | 2015-07-09 19:49:26 +0530 |
| commit | c1634c6008808ca3fc4ce162d3cf4d28180048e9 (patch) | |
| tree | 782233531c74ea1845133a2e6eec310d09aa33e3 | |
| parent | e9d7e021f57500e45da396e18676f122cc1fa6a4 (diff) | |
osxaudiosrc: no resampling on OS Xosxaudio
Unlike Remote IO, AUHAL doesn't have built-in resampling
for sources -- confirmed by Core Audio engineer Doug Wyatt:
http://lists.apple.com/archives/coreaudio-api/2006/Sep/msg00088.html
https://bugzilla.gnome.org/show_bug.cgi?id=743758
| -rw-r--r-- | sys/osxaudio/gstosxcoreaudio.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sys/osxaudio/gstosxcoreaudio.c b/sys/osxaudio/gstosxcoreaudio.c index 9dd75325f..d516e6d20 100644 --- a/sys/osxaudio/gstosxcoreaudio.c +++ b/sys/osxaudio/gstosxcoreaudio.c @@ -624,6 +624,21 @@ gst_core_audio_probe_caps (GstCoreAudio * core_audio, GstCaps * in_caps) gst_structure_remove_field (out_s, "channel-mask"); } +#ifndef HAVE_IOS + if (core_audio->is_src && got_outer_asbd + && outer_asbd.mSampleRate != kAudioStreamAnyRate) { + /* According to Core Audio engineer, AUHAL does not support sample rate conversion. + * on sources. Therefore, we fixate the sample rate. + * + * "You definitely cannot do rate conversion as part of getting input from AUHAL. + * That's the most common cause of those "cannot do in current context" errors." + * http://lists.apple.com/archives/coreaudio-api/2006/Sep/msg00088.html + */ + gst_structure_set (out_s, "rate", G_TYPE_INT, + (gint) outer_asbd.mSampleRate, NULL); + } +#endif + /* Special cases for upmixing and downmixing. * Other than that, the AUs don't upmix or downmix multi-channel audio, * e.g. if you push 5.1-surround audio to a stereo configuration, |