#11398: "avfoundation" audio capture had missing samples randomly
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Reporter: drobinson | Owner: (none)
Type: defect | Status: new
Priority: normal | Component: avdevice
Version: 7.1 | Resolution:
Keywords: avfoundation | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 1 |
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Comment (by MasterQuestionable):
͏ Difference:
{{{#!diff
--- avfoundation_audio_fifo.patch 2025-01-05T16:19:29Z
+++ avfoundation_audio_fifo-v2.patch 2025-01-06T01:18:05Z
@@ -18,10 +18,12 @@
+static void push_frame(AVFFrameList* list, CMSampleBufferRef frame)
+{
+ list->frames[list->write_index] =
(CMSampleBufferRef)CFRetain(frame);
+ list->write_index = (list->write_index + 1) % AVF_FRAME_LIST_LENGTH;
+
+ if (list->write_index == list->read_index) {
-+ CFRelease(list->frames[list->read_index]);
-+ list->read_index = (list->read_index + 1) %
AVF_FRAME_LIST_LENGTH;
++ for (int i = 0; i < (AVF_FRAME_LIST_LENGTH / 2); ++i) {
++ CFRelease(list->frames[list->read_index]);
++ list->read_index = (list->read_index + 1) %
AVF_FRAME_LIST_LENGTH;
++ }
+ }
+}
}}}
--
Ticket URL: <https://trac.ffmpeg.org/ticket/11398#comment:3>
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