}
/* Called from IO context */
-void pa_sink_input_request_rewind(pa_sink_input *i, size_t nbytes /* in our sample spec */, pa_bool_t rewrite, pa_bool_t flush, pa_bool_t dont_rewind_render) {
+void pa_sink_input_request_rewind(
+ pa_sink_input *i,
+ size_t nbytes /* in our sample spec */,
+ pa_bool_t rewrite,
+ pa_bool_t flush,
+ pa_bool_t dont_rewind_render) {
+
size_t lbq;
/* If 'rewrite' is TRUE the sink is rewound as far as requested
* dont_rewind_render is TRUE then the render memblockq is not
* rewound. */
+ /* nbytes = 0 means maximum rewind request */
+
pa_sink_input_assert_ref(i);
pa_sink_input_assert_io_context(i);
-
- nbytes = PA_MAX(i->thread_info.rewrite_nbytes, nbytes);
-
-/* pa_log_debug("request rewrite %lu", (unsigned long) nbytes); */
+ pa_assert(rewrite || flush);
+ pa_assert(!dont_rewind_render || !rewrite);
/* We don't take rewind requests while we are corked */
if (i->thread_info.state == PA_SINK_INPUT_CORKED)
return;
- pa_assert(rewrite || flush);
- pa_assert(!dont_rewind_render || !rewrite);
+ nbytes = PA_MAX(i->thread_info.rewrite_nbytes, nbytes);
+
+ /* pa_log_debug("request rewrite %zu", nbytes); */
/* Calculate how much we can rewind locally without having to
* touch the sink */
nbytes = pa_resampler_request(i->thread_info.resampler, nbytes);
}
+ /* Remember how much we actually want to rewrite */
if (i->thread_info.rewrite_nbytes != (size_t) -1) {
if (rewrite) {
/* Make sure to not overwrite over underruns */
pa_bool_t attached:1; /* True only between ->attach() and ->detach() calls */
- /* 0: rewrite nothing, (size_t) -1: rewrite everything, otherwise how many bytes to rewrite */
+ /* rewrite_nbytes: 0: rewrite nothing, (size_t) -1: rewrite everything, otherwise how many bytes to rewrite */
pa_bool_t rewrite_flush:1, dont_rewind_render:1;
size_t rewrite_nbytes;
uint64_t underrun_for, playing_for;