From 580a3d98729c4e47427107b42045ca65cf77534d Mon Sep 17 00:00:00 2001
From: Carlos Rafael Giani <crg7475@mailbox.org>
Date: Sun, 12 Feb 2023 16:09:03 +0100
Subject: [PATCH] pw-cat: Enable libavutil logs

This is useful for debugging pw-cat encoded audio playback errors.
---
 meson.build           | 3 ++-
 src/tools/meson.build | 5 ++---
 src/tools/pw-cat.c    | 5 +++++
 3 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/meson.build b/meson.build
index e5f813ef7..5aff804f3 100644
--- a/meson.build
+++ b/meson.build
@@ -269,13 +269,14 @@ if not readline_dep.found()
 endif
 
 # Both the FFmpeg SPA plugin and the pw-cat FFmpeg integration use libavcodec.
-# But only the latter also needs libavformat.
+# But only the latter also needs libavformat and libavutil.
 # Search for these libraries here, globally, so both of these subprojects can reuse the results.
 pw_cat_ffmpeg = get_option('pw-cat-ffmpeg')
 ffmpeg = get_option('ffmpeg')
 if pw_cat_ffmpeg.allowed() or ffmpeg.allowed()
   avcodec_dep = dependency('libavcodec', required: pw_cat_ffmpeg.enabled() or ffmpeg.enabled())
   avformat_dep = dependency('libavformat', required: pw_cat_ffmpeg.enabled())
+  avutil_dep = dependency('libavutil', required: pw_cat_ffmpeg.enabled())
 else
   avcodec_dep = dependency('', required: false)
 endif
diff --git a/src/tools/meson.build b/src/tools/meson.build
index 6623e7abc..d438a9643 100644
--- a/src/tools/meson.build
+++ b/src/tools/meson.build
@@ -38,9 +38,8 @@ pwcat_deps = [ sndfile_dep ]
 if get_option('pw-cat').allowed() and sndfile_dep.found()
   build_pw_cat = true
 
-  if pw_cat_ffmpeg.allowed() and avcodec_dep.found() and avformat_dep.found()
-    pwcat_deps += avcodec_dep
-    pwcat_deps += avformat_dep
+  if pw_cat_ffmpeg.allowed() and avcodec_dep.found() and avformat_dep.found() and avutil_dep.found()
+    pwcat_deps += [avcodec_dep, avformat_dep, avutil_dep]
     build_pw_cat_with_ffmpeg = true
   endif
 
diff --git a/src/tools/pw-cat.c b/src/tools/pw-cat.c
index 276172a9d..44ba746fe 100644
--- a/src/tools/pw-cat.c
+++ b/src/tools/pw-cat.c
@@ -35,6 +35,7 @@
 #ifdef HAVE_PW_CAT_FFMPEG_INTEGRATION
 #include <libavformat/avformat.h>
 #include <libavcodec/avcodec.h>
+#include <libavutil/log.h>
 #endif
 
 #include "midifile.h"
@@ -1496,6 +1497,10 @@ int main(int argc, char *argv[])
 	setlocale(LC_ALL, "");
 	pw_init(&argc, &argv);
 
+#ifdef HAVE_PW_CAT_FFMPEG_INTEGRATION
+	av_log_set_level(AV_LOG_DEBUG);
+#endif
+
 	flags |= PW_STREAM_FLAG_AUTOCONNECT;
 
 	prog = argv[0];