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ao_wasapi: reorder channels and samplerates to speed up search 

This shouldn't affect which are chosen, but it should speed up the search by
putting more common configurations earlier so that a working sample format and
sample rates can be found sooner obviating the need to search them for each
iteration of the outer loops.
This commit is contained in:
Kevin Mitchell 2017-07-08 21:42:29 -07:00
parent 7568715563
commit 03abd704ec
1 changed files with 4 additions and 4 deletions
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8
audio/out/ao_wasapi_utils.c
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@ -372,9 +372,9 @@ static bool search_sample_formats(struct ao *ao, WAVEFORMATEXTENSIBLE *wformat,
static bool search_samplerates(struct ao *ao, WAVEFORMATEXTENSIBLE *wformat,
struct mp_chmap *channels)
{
// try list of typical sample rates (requests welcome)
int try[] = {8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200, 96000,
176400, 192000, 352800, 384000, 0};
// put common samplerates first so that we find format early
int try[] = {48000, 44100, 96000, 88200, 192000, 176400,
32000, 22050, 11025, 8000, 16000, 352800, 384000, 0};
// get a list of supported rates
int n = 0;
@ -410,7 +410,7 @@ static bool search_channels(struct ao *ao, WAVEFORMATEXTENSIBLE *wformat)
struct mp_chmap entry;
// put common layouts first so that we find sample rate/format early
char *channel_layouts[] =
{"mono", "stereo", "2.1", "4.0", "5.0", "5.1", "6.1", "7.1",
{"stereo", "5.1", "7.1", "6.1", "mono", "2.1", "4.0", "5.0",
"3.0", "3.0(back)",
"quad", "quad(side)", "3.1",
"5.0(side)", "4.1",