static void codec_pcmbuf_insert_callback(
const void *ch1, const void *ch2, int count)
{
const char *src[2] = { ch1, ch2 };
while (count > 0)
{
int out_count = dsp_output_count(ci.dsp, count);
int inp_count;
char *dest;
while (1)
{
if ((dest = pcmbuf_request_buffer(&out_count)) != NULL)
break;
cancel_cpu_boost();
/* It will be awhile before space is available but we want
"instant" response to any message */
queue_wait_w_tmo(&codec_queue, NULL, HZ/20);
if (!queue_empty(&codec_queue) &&
codec_check_queue__have_msg() < 0)
return;
}
/* Get the real input_size for output_size bytes, guarding
* against resampling buffer overflows. */
inp_count = dsp_input_count(ci.dsp, out_count);
if (inp_count <= 0)
return;
/* Input size has grown, no error, just don't write more than length */
if (inp_count > count)
inp_count = count;
out_count = dsp_process(ci.dsp, dest, src, inp_count);
if (out_count <= 0)
return;
pcmbuf_write_complete(out_count);
count -= inp_count;
}
}
static void codec_pcmbuf_insert_callback(
const void *ch1, const void *ch2, int count)
{
const char *src[2] = { ch1, ch2 };
while (count > 0)
{
int out_count = dsp_output_count(ci.dsp, count);
int inp_count;
char *dest;
/* Prevent audio from a previous track from playing */
if (ci.new_track || ci.stop_codec)
return;
while ((dest = pcmbuf_request_buffer(&out_count)) == NULL)
{
cancel_cpu_boost();
sleep(1);
if (ci.seek_time || ci.new_track || ci.stop_codec)
return;
}
/* Get the real input_size for output_size bytes, guarding
* against resampling buffer overflows. */
inp_count = dsp_input_count(ci.dsp, out_count);
if (inp_count <= 0)
return;
/* Input size has grown, no error, just don't write more than length */
if (inp_count > count)
inp_count = count;
out_count = dsp_process(ci.dsp, dest, src, inp_count);
if (out_count <= 0)
return;
pcmbuf_write_complete(out_count);
count -= inp_count;
}
} /* codec_pcmbuf_insert_callback */