hw/display/xlnx_dp.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)
Fill the audio channel with required number of bytes to cover the
elapsed time. This prevents rate control reset, and avoids debug prints
like below
log:
Resetting rate control (65692 samples)
...
Resetting rate control (65721 samples)
...
Signed-off-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com>
---
hw/display/xlnx_dp.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/hw/display/xlnx_dp.c b/hw/display/xlnx_dp.c
index fde3b21..7058443 100644
--- a/hw/display/xlnx_dp.c
+++ b/hw/display/xlnx_dp.c
@@ -394,13 +394,18 @@ static void xlnx_dp_audio_callback(void *opaque, int avail)
written = AUD_write(s->amixer_output_stream,
&s->out_buffer[s->data_ptr], s->byte_left);
} else {
+ int len_to_copy;
/*
* There is nothing to play.. We don't have any data! Fill the
* buffer with zero's and send it.
*/
written = 0;
- memset(s->out_buffer, 0, 1024);
- AUD_write(s->amixer_output_stream, s->out_buffer, 1024);
+ while (avail) {
+ len_to_copy = MIN(AUD_CHBUF_MAX_DEPTH, avail);
+ memset(s->out_buffer, 0, len_to_copy);
+ avail -= AUD_write(s->amixer_output_stream, s->out_buffer,
+ len_to_copy);
+ }
}
} else {
written = AUD_write(s->amixer_output_stream,
--
2.7.4
On Fri, Nov 15, 2019 at 10:59 AM Sai Pavan Boddu <sai.pavan.boddu@xilinx.com> wrote: > > Fill the audio channel with required number of bytes to cover the > elapsed time. This prevents rate control reset, and avoids debug prints > like below > > log: > Resetting rate control (65692 samples) > ... > Resetting rate control (65721 samples) > ... > > Signed-off-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Alistair > --- > hw/display/xlnx_dp.c | 9 +++++++-- > 1 file changed, 7 insertions(+), 2 deletions(-) > > diff --git a/hw/display/xlnx_dp.c b/hw/display/xlnx_dp.c > index fde3b21..7058443 100644 > --- a/hw/display/xlnx_dp.c > +++ b/hw/display/xlnx_dp.c > @@ -394,13 +394,18 @@ static void xlnx_dp_audio_callback(void *opaque, int avail) > written = AUD_write(s->amixer_output_stream, > &s->out_buffer[s->data_ptr], s->byte_left); > } else { > + int len_to_copy; > /* > * There is nothing to play.. We don't have any data! Fill the > * buffer with zero's and send it. > */ > written = 0; > - memset(s->out_buffer, 0, 1024); > - AUD_write(s->amixer_output_stream, s->out_buffer, 1024); > + while (avail) { > + len_to_copy = MIN(AUD_CHBUF_MAX_DEPTH, avail); > + memset(s->out_buffer, 0, len_to_copy); > + avail -= AUD_write(s->amixer_output_stream, s->out_buffer, > + len_to_copy); > + } > } > } else { > written = AUD_write(s->amixer_output_stream, > -- > 2.7.4 > >
Cc'ing Gerd (Audio) On 11/15/19 4:56 PM, Sai Pavan Boddu wrote: > Fill the audio channel with required number of bytes to cover the > elapsed time. This prevents rate control reset, and avoids debug prints > like below > > log: > Resetting rate control (65692 samples) > ... > Resetting rate control (65721 samples) > ... > > Signed-off-by: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com> > --- > hw/display/xlnx_dp.c | 9 +++++++-- > 1 file changed, 7 insertions(+), 2 deletions(-) > > diff --git a/hw/display/xlnx_dp.c b/hw/display/xlnx_dp.c > index fde3b21..7058443 100644 > --- a/hw/display/xlnx_dp.c > +++ b/hw/display/xlnx_dp.c > @@ -394,13 +394,18 @@ static void xlnx_dp_audio_callback(void *opaque, int avail) > written = AUD_write(s->amixer_output_stream, > &s->out_buffer[s->data_ptr], s->byte_left); > } else { > + int len_to_copy; > /* > * There is nothing to play.. We don't have any data! Fill the > * buffer with zero's and send it. > */ > written = 0; > - memset(s->out_buffer, 0, 1024); > - AUD_write(s->amixer_output_stream, s->out_buffer, 1024); > + while (avail) { > + len_to_copy = MIN(AUD_CHBUF_MAX_DEPTH, avail); > + memset(s->out_buffer, 0, len_to_copy); > + avail -= AUD_write(s->amixer_output_stream, s->out_buffer, > + len_to_copy); > + } > } > } else { > written = AUD_write(s->amixer_output_stream, >
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