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Increase default audio buffer for FLAC

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FLAC is not low latency: the default encoder produces blocks of 4096
samples, which represent ~85.333ms.

Increase the audio buffer by default so that audio playback works.
This commit is contained in:
Romain Vimont 2023-11-12 18:34:04 +01:00
parent 394b8e61ad
commit cd03f92c68
2 changed files with 12 additions and 1 deletions
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11
app/src/cli.c
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@ -2264,6 +2264,17 @@ parse_args_with_getopt(struct scrcpy_cli_args *args, int argc, char *argv[],
opts->require_audio = true;
}
if (opts->audio_playback && opts->audio_buffer == -1) {
// Use 50 ms audio buffer by default, but use a higher value for FLAC,
// which is not low latency (the default encoder produces blocks of
// 4096 samples, which represent ~85.333ms).
LOGI("FLAC audio: audio buffer increased to 120 ms (use "
"--audio-buffer to set a custom value)");
opts->audio_buffer = opts->audio_codec == SC_CODEC_FLAC
? SC_TICK_FROM_MS(120)
: SC_TICK_FROM_MS(50);
}
#ifdef HAVE_V4L2
if (v4l2) {
if (opts->lock_video_orientation ==

2
app/src/options.c
View File

@ -46,7 +46,7 @@ const struct scrcpy_options scrcpy_options_default = {
.window_height = 0,
.display_id = 0,
.display_buffer = 0,
.audio_buffer = SC_TICK_FROM_MS(50),
.audio_buffer = -1, // depends on the audio format,
.audio_output_buffer = SC_TICK_FROM_MS(5),
.time_limit = 0,
#ifdef HAVE_V4L2