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Add --audio-buffer

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Expose an option to add a buffering delay (in milliseconds) before
playing audio.

This is similar to the options --display-buffer and --v4l2-buffer for
video frames.
This commit is contained in:
Romain Vimont 2023-03-02 23:14:01 +01:00
parent 6a43a68800
commit fea9ad9bf9
5 changed files with 32 additions and 2 deletions
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14
app/src/cli.c
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@ -70,6 +70,7 @@ enum {
OPT_LIST_ENCODERS,
OPT_LIST_DISPLAYS,
OPT_REQUIRE_AUDIO,
OPT_AUDIO_BUFFER,
};
struct sc_option {
@ -119,6 +120,14 @@ static const struct sc_option options[] = {
"Unit suffixes are supported: 'K' (x1000) and 'M' (x1000000).\n"
"Default is 196K (196000).",
},
{
.longopt_id = OPT_AUDIO_BUFFER,
.longopt = "audio-buffer",
.argdesc = "ms",
.text = "Add a buffering delay (in milliseconds) before playing audio. "
"This increases latency to compensate for jitter.\n"
"Default is 0 (no buffering).",
},
{
.longopt_id = OPT_AUDIO_CODEC,
.longopt = "audio-codec",
@ -1812,6 +1821,11 @@ parse_args_with_getopt(struct scrcpy_cli_args *args, int argc, char *argv[],
case OPT_REQUIRE_AUDIO:
opts->require_audio = true;
break;
case OPT_AUDIO_BUFFER:
if (!parse_buffering_time(optarg, &opts->audio_buffer)) {
return false;
}
break;
default:
// getopt prints the error message on stderr
return false;