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PulseAudio: Audio Streams - freedesktop.org
https://freedesktop.org/software/pulseaudio/doxygen/streams.html
In case of a buffer underrun the read index is equal or larger than the write index. Unless the prebuf value is 0, PulseAudio will temporarily pause playback in such a case, and wait until the buffer is filled up to prebuf bytes again. If prebuf is 0, the read index may be larger than the write index, in which case silence is played.
Pulseaudio/Alsa Underflow Problem in vlc / Multimedia and ...
https://bbs.archlinux.org/viewtopic.php?id=255639
Hey Guys, for a few day I got some underflow errors in vlc using Pulseaudio/Alsa. This problem occours when fast forwarding music or videos, especially clicking fast on that bar (buffering problem?) I got NO PROBLEMS so far at watching videos on YouTube or playing games. Maybe my previously virtio configured virtual machine with qemu/kvm caused ...
Fix the pulseaudio dependency name — sourcehut lists
https://lists.sr.ht/~alextee/zrythm-devel/patches/19980
+" Try increasing the buffer size in" +" the settings to avoid audio" +" glitches.")); +} + + return G_SOURCE_REMOVE; +} + +static void +engine_pulse_stream_underflow_callback (+ pa_stream * stream, + void * userdata) +{+ AudioEngine * self = userdata; + + if (self->pulse_notified_underflow) + return; + + g_message ("Pulse buffer underflow"); + + if …
File: pulse_audio_enc.c | Debian Sources
https://sources.debian.org/src/ffmpeg/7%253A5.0-2/libavdevice/pulse_audio_enc.c/
ffmpeg 7%3A5.0-2. links: PTS, VCS area: main; in suites: experimental; size: 91,192 kB; sloc: ansic: 1,168,028; asm: 100,698; sh: 8,529; makefile: 4,510; cpp: 2,679 ...
PulseAudio: stream.h File Reference - freedesktop.org
https://freedesktop.org/software/pulseaudio/doxygen/stream_8h.html
Return the per-stream server-side buffer metrics of the stream. Only valid after the stream has been connected successfully and if the server is at least PulseAudio 0.9. This will return the actual configured buffering metrics, which may differ from what was requested during pa_stream_connect_record() or pa_stream_connect_playback(). This call will always return the …
streambuf::underflow - C++ Reference
https://www.cplusplus.com/reference/streambuf/streambuf/underflow/
Concurrent access to the same stream buffer object may introduce data races. Exception safety Basic guarantee: if an exception is thrown, the stream buffer is in a valid state. See also streambuf::sgetc Get current character (public member function ) streambuf::uflow Get character on underflow and advance position (protected virtual member ...
PulseAudio example with callbacks · GitHub
https://gist.github.com/toroidal-code/8798775
PulseAudio example with callbacks. GitHub Gist: instantly share code, notes, and snippets.
pulseaudio: src/pulsecore/protocol-native.c File Reference ...
https://fossies.org/dox/pulseaudio-15.0/protocol-native_8c.html
About: PulseAudio is a networked sound server (for POSIX OSes), a proxy for your sound applications. ... command_set_stream_buffer_attr (pa_pdispatch *pd, uint32_t command, uint32_t tag, pa_tagstruct *t, ... PLAYBACK_STREAM_MESSAGE_UNDERFLOW ...
ffmpeg buffer underflow & packet too large errors ...
https://forum.videohelp.com/threads/364555-ffmpeg-buffer-underflow-packet-too-large-errors
Code: ffmpeg -f concat -i d:\video\mylist.txt -c copy d:\video\output.mpg. The result is 10s of errors every second (see below) and the output video freezing on the first frame and not playing any longer than 7 seconds: Code: [mpeg @ 00000000055fe720] buffer underflow st=1 bufi=37828 size=66833 [mpeg @ 00000000055fe720] buffer underflow st=1 bufi=39865 …
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