On 6/1/22 10:23, Volker Rümelin wrote:
> From: Volker Rümelin <vr_qemu@t-online.de>
>
> Add the buffer_get_free pcm_ops function for the mmapped case
> to reduce the effective playback buffer size. All intermediate
> audio playback buffers become temporary buffers.
Description doesn't seem to match.
>
> Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
> ---
> audio/ossaudio.c | 7 ++++---
> 1 file changed, 4 insertions(+), 3 deletions(-)
>
> diff --git a/audio/ossaudio.c b/audio/ossaudio.c
> index 1bd6800840..da9c232222 100644
> --- a/audio/ossaudio.c
> +++ b/audio/ossaudio.c
> @@ -394,7 +394,7 @@ static size_t oss_buffer_get_free(HWVoiceOut *hw)
> OSSVoiceOut *oss = (OSSVoiceOut *)hw;
>
> if (oss->mmapped) {
> - return INT_MAX;
> + return oss_get_available_bytes(oss);
> } else {
> return audio_generic_buffer_get_free(hw);
> }
> @@ -402,9 +402,10 @@ static size_t oss_buffer_get_free(HWVoiceOut *hw)
>
> static void *oss_get_buffer_out(HWVoiceOut *hw, size_t *size)
> {
> - OSSVoiceOut *oss = (OSSVoiceOut *) hw;
> + OSSVoiceOut *oss = (OSSVoiceOut *)hw;
> +
> if (oss->mmapped) {
> - *size = MIN(oss_get_available_bytes(oss), hw->size_emul - hw->pos_emul);
> + *size = hw->size_emul - hw->pos_emul;
> return hw->buf_emul + hw->pos_emul;
> } else {
> return audio_generic_get_buffer_out(hw, size);