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-rw-r--r--meta-pipewire/recipes-multimedia/pipewire/pipewire/0015-audioconvert-fmtconvert-assume-F32-on-the-other-port.patch44
-rw-r--r--meta-pipewire/recipes-multimedia/pipewire/pipewire_git.bb1
2 files changed, 45 insertions, 0 deletions
diff --git a/meta-pipewire/recipes-multimedia/pipewire/pipewire/0015-audioconvert-fmtconvert-assume-F32-on-the-other-port.patch b/meta-pipewire/recipes-multimedia/pipewire/pipewire/0015-audioconvert-fmtconvert-assume-F32-on-the-other-port.patch
new file mode 100644
index 00000000..ed3c1b06
--- /dev/null
+++ b/meta-pipewire/recipes-multimedia/pipewire/pipewire/0015-audioconvert-fmtconvert-assume-F32-on-the-other-port.patch
@@ -0,0 +1,44 @@
+From aa5de0cfc31df9cd8fb6d24367d2852dbbc8dcb9 Mon Sep 17 00:00:00 2001
+From: George Kiagiadakis <george.kiagiadakis@collabora.com>
+Date: Mon, 29 Jul 2019 16:12:45 +0300
+Subject: [PATCH] audioconvert/fmtconvert: assume F32 on the other port when
+ listing formats
+
+This allows picking F32LE as the default format on links that have
+no restriction and it avoids failing negotiation when the restricted
+end cannot handle S16/F32/F32P
+
+For instance this pipeline would previously fail:
+
+ audio-dsp mode=merge ! audio-dsp mode=convert ! alsa-sink
+old negotiation: S16LE S24_32LE
+new negotiation: F32LE S24_32LE
+
+The link between the audio-dsp nodes has no restriction, so previously
+it would negotiate S16LE, which would then fail to negotiate with alsa-sink
+because fmtconvert does not know how to convert S16LE to S24_32LE directly.
+
+With this change, the middle link negotiates to F32LE, which can be
+converted to anything.
+
+Upstream-Status: Submitted [https://github.com/PipeWire/pipewire/pull/169]
+---
+ spa/plugins/audioconvert/fmtconvert.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/spa/plugins/audioconvert/fmtconvert.c b/spa/plugins/audioconvert/fmtconvert.c
+index df4ffb6b..a330f68f 100644
+--- a/spa/plugins/audioconvert/fmtconvert.c
++++ b/spa/plugins/audioconvert/fmtconvert.c
+@@ -338,7 +338,7 @@ static int port_enum_formats(struct spa_node *node,
+ if (other->have_format)
+ info = other->format;
+ else
+- info.info.raw.format = SPA_AUDIO_FORMAT_S16;
++ info.info.raw.format = SPA_AUDIO_FORMAT_F32;
+
+ if (info.info.raw.format == SPA_AUDIO_FORMAT_F32P ||
+ info.info.raw.format == SPA_AUDIO_FORMAT_F32) {
+--
+2.20.1
+
diff --git a/meta-pipewire/recipes-multimedia/pipewire/pipewire_git.bb b/meta-pipewire/recipes-multimedia/pipewire/pipewire_git.bb
index 43aae8ea..8809bddc 100644
--- a/meta-pipewire/recipes-multimedia/pipewire/pipewire_git.bb
+++ b/meta-pipewire/recipes-multimedia/pipewire/pipewire_git.bb
@@ -15,6 +15,7 @@ SRC_URI = "gitsm://github.com/PipeWire/pipewire;protocol=https;branch=work \
file://0012-gst-pwaudioringbuffer-request-pause-play-on-the-appr.patch \
file://0013-gst-pwaudioringbuffer-wait-only-for-STREAM_STATE_CON.patch \
file://0014-gst-pwaudiosink-set-the-default-latency-time-buffer-.patch \
+ file://0015-audioconvert-fmtconvert-assume-F32-on-the-other-port.patch \
"
SRCREV = "4be788962e60891237f1f018627bf709ae3981e6"