From 7321db6f28914df81e654cc4e2fbb3deec15fe2c Mon Sep 17 00:00:00 2001
From: Romain Vimont <rom@rom1v.com>
Date: Sun, 7 May 2023 12:35:27 +0200
Subject: [PATCH] Add recording to opus file

Use the FFmpeg opus muxer to record an opus file.

PR #3978 <https://github.com/Genymobile/scrcpy/pull/3978>
---
 app/src/cli.c      | 10 ++++++++++
 app/src/options.h  |  4 +++-
 app/src/recorder.c |  2 ++
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/app/src/cli.c b/app/src/cli.c
index 40fe242e..ee0319ee 100644
--- a/app/src/cli.c
+++ b/app/src/cli.c
@@ -1493,6 +1493,9 @@ get_record_format(const char *name) {
     if (!strcmp(name, "mka")) {
         return SC_RECORD_FORMAT_MKA;
     }
+    if (!strcmp(name, "opus")) {
+        return SC_RECORD_FORMAT_OPUS;
+    }
     return 0;
 }
 
@@ -1986,6 +1989,13 @@ parse_args_with_getopt(struct scrcpy_cli_args *args, int argc, char *argv[],
             LOGE("Audio container does not support video stream");
             return false;
         }
+
+        if (opts->record_format == SC_RECORD_FORMAT_OPUS
+                && opts->audio_codec != SC_CODEC_OPUS) {
+            LOGE("Recording to OPUS file requires an OPUS audio stream "
+                 "(try with --audio-codec=opus)");
+            return false;
+        }
     }
 
     if (opts->audio_codec == SC_CODEC_RAW) {
diff --git a/app/src/options.h b/app/src/options.h
index 2424638f..0547b4ec 100644
--- a/app/src/options.h
+++ b/app/src/options.h
@@ -23,12 +23,14 @@ enum sc_record_format {
     SC_RECORD_FORMAT_MKV,
     SC_RECORD_FORMAT_M4A,
     SC_RECORD_FORMAT_MKA,
+    SC_RECORD_FORMAT_OPUS,
 };
 
 static inline bool
 sc_record_format_is_audio_only(enum sc_record_format fmt) {
     return fmt == SC_RECORD_FORMAT_M4A
-        || fmt == SC_RECORD_FORMAT_MKA;
+        || fmt == SC_RECORD_FORMAT_MKA
+        || fmt == SC_RECORD_FORMAT_OPUS;
 }
 
 enum sc_codec {
diff --git a/app/src/recorder.c b/app/src/recorder.c
index 10102ec4..b0c41df0 100644
--- a/app/src/recorder.c
+++ b/app/src/recorder.c
@@ -66,6 +66,8 @@ sc_recorder_get_format_name(enum sc_record_format format) {
         case SC_RECORD_FORMAT_MKV:
         case SC_RECORD_FORMAT_MKA:
             return "matroska";
+        case SC_RECORD_FORMAT_OPUS:
+            return "opus";
         default:
             return NULL;
     }