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Add support for RAW audio (WAV) recording

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RAW audio forwarding was supported but not for recording.

Add support for recording a raw audio stream to a `.wav` file (and
`.mkv`).
This commit is contained in:
Romain Vimont
2023-11-13 09:35:18 +01:00
parent 1713422c13
commit 200488111e
8 changed files with 43 additions and 15 deletions
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26
app/src/cli.c
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@@ -594,8 +594,8 @@ static const struct sc_option options[] = {
.longopt_id = OPT_RECORD_FORMAT,
.longopt = "record-format",
.argdesc = "format",
.text = "Force recording format (mp4, mkv, m4a, mka, opus, aac or "
"flac).",
.text = "Force recording format (mp4, mkv, m4a, mka, opus, aac, flac "
"or wav).",
},
{
.longopt_id = OPT_RENDER_DRIVER,
@@ -1630,6 +1630,9 @@ get_record_format(const char *name) {
if (!strcmp(name, "flac")) {
return SC_RECORD_FORMAT_FLAC;
}
if (!strcmp(name, "wav")) {
return SC_RECORD_FORMAT_WAV;
}
return 0;
}
@@ -2373,11 +2376,6 @@ parse_args_with_getopt(struct scrcpy_cli_args *args, int argc, char *argv[],
}
}
if (opts->audio_codec == SC_CODEC_RAW) {
LOGE("Recording does not support RAW audio codec");
return false;
}
if (opts->video
&& sc_record_format_is_audio_only(opts->record_format)) {
LOGE("Audio container does not support video stream");
@@ -2403,6 +2401,20 @@ parse_args_with_getopt(struct scrcpy_cli_args *args, int argc, char *argv[],
"(try with --audio-codec=flac)");
return false;
}
if (opts->record_format == SC_RECORD_FORMAT_WAV
&& opts->audio_codec != SC_CODEC_RAW) {
LOGE("Recording to WAV file requires a RAW audio stream "
"(try with --audio-codec=raw)");
return false;
}
if ((opts->record_format == SC_RECORD_FORMAT_MP4 ||
opts->record_format == SC_RECORD_FORMAT_M4A)
&& opts->audio_codec == SC_CODEC_RAW) {
LOGE("Recording to MP4 container does not support RAW audio");
return false;
}
}
if (opts->audio_codec == SC_CODEC_FLAC && opts->audio_bit_rate) {