pa_memblockq_drop(i->thread_info.render_memblockq, nbytes);
}
-static void subtract_helper(size_t *p, size_t amount)
-{
- if (*p == (size_t) -1)
- return;
- if (*p < amount)
- *p = 0;
- *p -= amount;
-}
-
/* Called from thread context */
void pa_sink_input_process_rewind(pa_sink_input *i, size_t nbytes /* in sink sample spec */) {
size_t lbq;
/* We were asked to drop all buffered data, and rerequest new
* data from implementor the next time peek() is called */
- size_t s = pa_memblockq_get_length(i->thread_info.render_memblockq);
- if (i->thread_info.resampler)
- s = pa_resampler_request(i->thread_info.resampler, s);
pa_memblockq_flush_write(i->thread_info.render_memblockq, TRUE);
- subtract_helper(&i->thread_info.underrun_for, s);
- subtract_helper(&i->thread_info.playing_for, s);
+
} else if (i->thread_info.rewrite_nbytes > 0) {
size_t max_rewrite, amount;
amount = PA_MIN(i->thread_info.rewrite_nbytes, max_rewrite);
if (amount > 0) {
- size_t samount = amount;
-
pa_log_debug("Have to rewind %lu bytes on implementor.", (unsigned long) amount);
/* Tell the implementor */
/* Convert back to to sink domain */
if (i->thread_info.resampler)
- samount = pa_resampler_result(i->thread_info.resampler, amount);
+ amount = pa_resampler_result(i->thread_info.resampler, amount);
- if (samount > 0) {
+ if (amount > 0)
/* Ok, now update the write pointer */
- pa_memblockq_seek(i->thread_info.render_memblockq, - ((int64_t) samount), PA_SEEK_RELATIVE, TRUE);
- subtract_helper(&i->thread_info.underrun_for, amount);
- subtract_helper(&i->thread_info.playing_for, amount);
- }
+ pa_memblockq_seek(i->thread_info.render_memblockq, - ((int64_t) amount), PA_SEEK_RELATIVE, TRUE);
if (i->thread_info.rewrite_flush)
pa_memblockq_silence(i->thread_info.render_memblockq);