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[PULL,5/9] audio: remove unnecessary calls to put_buffer_in

Message ID 20200923091001.20814-6-kraxel@redhat.com
State New, archived
Headers show
Series [PULL,1/9] audio: handle buf == NULL in put_buffer_out() | expand

Commit Message

Gerd Hoffmann Sept. 23, 2020, 9:09 a.m. UTC
From: Volker RĂ¼melin <vr_qemu@t-online.de>

This patch removes unnecessary calls to the pcm_ops function
put_buffer_in(). No audio backend needs this call if the
returned length of pcm_ops function get_buffer_in() is zero.

For the DirectSound backend this prevents a call to
dsound_unlock_in() without a preceding call to dsound_lock_in().
While Windows doesn't complain it seems wrong anyway.

Signed-off-by: Volker RĂ¼melin <vr_qemu@t-online.de>
Message-id: 20200920171729.15861-5-vr_qemu@t-online.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
 audio/audio.c | 2 --
 1 file changed, 2 deletions(-)
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diff --git a/audio/audio.c b/audio/audio.c
index 5c47a036028c..341edc4d0012 100644
--- a/audio/audio.c
+++ b/audio/audio.c
@@ -1261,7 +1261,6 @@  static size_t audio_pcm_hw_run_in(HWVoiceIn *hw, size_t samples)
         assert(size % hw->info.bytes_per_frame == 0);
         if (size == 0) {
-            hw->pcm_ops->put_buffer_in(hw, buf, size);
@@ -1502,7 +1501,6 @@  size_t audio_generic_read(HWVoiceIn *hw, void *buf, size_t size)
         void *src = hw->pcm_ops->get_buffer_in(hw, &src_size);
         if (src_size == 0) {
-            hw->pcm_ops->put_buffer_in(hw, src, src_size);