FaSTTUBe/GST-Tensordecoder-ov_ep
37
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

alsa: Enumerate output-only PCM sinks

Browse Source 
Change the logic to skip only devices which have "Input" as their IOID. The ALSA
Input/Output identifier (IOID) it may be either "Input", "Output", or NULL; with
the latter meaning that the device supports both input and output.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9534>
This commit is contained in:
Adrian Perez de Castro 2025-08-11 16:07:11 +03:00 committed by GStreamer Marge Bot
parent fbe7a86973
commit aae0ed6eb2
1 changed files with 10 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
subprojects/gst-plugins-base/ext/alsa/gstalsadeviceprovider.c
View File

@ -194,12 +194,18 @@ gst_alsa_device_provider_probe_pcm_sinks (GstDeviceProvider * provider,
if (!gst_alsa_pcm_name_matches_any_pattern (name, allow_patterns))
goto next_hint;
/* Skip devices without a description. */
if (!desc) {
GST_DEBUG_OBJECT (provider, "No desc hint for %s", name);
goto next_hint;
}
/*
* Skip devices without description or that have a valid IOID hint.
* The latter seems to be always NULL for "virtual" PCM sinks.
* The input/output identification (IOID) may be "Input", "Output",
* or NULL to indicate both. Skip input-only devices.
*/
if (!desc || io) {
GST_DEBUG_OBJECT (provider, "No io or desc hint for %s", name);
if (io && strcmp (io, "Input") == 0) {
GST_DEBUG_OBJECT (provider, "Device '%s' is not an output", name);
goto next_hint;
}