mirrors/pulseaudio
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pulseaudio/pulseaudio.git synced 2025-11-03 09:01:50 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

remap: Add (optional) state to remap struct

Browse source 
State can be used by remap function implementations to
speed up the remapping, e.g. by precomputing things or
even by generating specialized code for a specific channel
remapping task

Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
This commit is contained in:
Peter Meerwald 2014-04-16 15:00:45 +02:00 • committed by Peter Meerwald
parent 877ad8dcf8
commit e92e8b11f1
2 changed files with 10 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

9
src/pulsecore/resampler.c
View file

@ -115,6 +115,7 @@ static int libsamplerate_init(pa_resampler*r);
#endif
static void setup_remap(const pa_resampler *r, pa_remap_t *m);
static void free_remap(pa_remap_t *m);
static int (* const init_table[])(pa_resampler*r) = {
#ifdef HAVE_LIBSAMPLERATE
@ -477,6 +478,8 @@ void pa_resampler_free(pa_resampler *r) {
if (r->from_work_format_buf.memblock)
pa_memblock_unref(r->from_work_format_buf.memblock);
free_remap(&r->remap);
pa_xfree(r);
}
@ -1152,6 +1155,12 @@ static void setup_remap(const pa_resampler *r, pa_remap_t *m) {
pa_init_remap_func(m);
}
static void free_remap(pa_remap_t *m) {
pa_assert(m);
pa_xfree(m->state);
}
/* check if buf's memblock is large enough to hold 'len' bytes; create a
* new memblock if necessary and optionally preserve 'copy' data bytes */
static void fit_buf(pa_resampler *r, pa_memchunk *buf, size_t len, size_t *size, size_t copy) {