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audio: align audio_generic_read with audio_pcm_hw_run_in

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The function audio_generic_read should work exactly like
audio_pcm_hw_run_in. It's a very similar function working
on a different buffer.

Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-id: 20200920171729.15861-4-vr_qemu@t-online.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Volker Rümelin 2020-09-20 19:17:24 +02:00 committed by Gerd Hoffmann
parent aec6d0dc4e
commit b9896dc5be
1 changed files with 15 additions and 4 deletions
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19
audio/audio.c
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@ -1495,12 +1495,23 @@ size_t audio_generic_write(HWVoiceOut *hw, void *buf, size_t size)
size_t audio_generic_read(HWVoiceIn *hw, void *buf, size_t size)
{
void *src = hw->pcm_ops->get_buffer_in(hw, &size);
size_t total = 0;
memcpy(buf, src, size);
hw->pcm_ops->put_buffer_in(hw, src, size);
while (total < size) {
size_t src_size = size - total;
void *src = hw->pcm_ops->get_buffer_in(hw, &src_size);
return size;
if (src_size == 0) {
hw->pcm_ops->put_buffer_in(hw, src, src_size);
break;
}
memcpy((char *)buf + total, src, src_size);
hw->pcm_ops->put_buffer_in(hw, src, src_size);
total += src_size;
}
return total;
}
static int audio_driver_init(AudioState *s, struct audio_driver *drv,