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Tune format scoring so (non)stereo format will get better chance

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This commit is contained in:
Ariff Abdullah 2006-01-29 01:32:37 +00:00
parent 343c20a85e
commit 4a193ac907
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=154969
1 changed files with 17 additions and 9 deletions
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26
sys/dev/sound/pcm/feeder.c
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@ -299,14 +299,18 @@ int
chn_fmtscore(u_int32_t fmt)
{
if (fmt & AFMT_32BIT)
return 32;
return 60;
if (fmt & AFMT_24BIT)
return 24;
return 50;
if (fmt & AFMT_16BIT)
return 16;
return 40;
if (fmt & (AFMT_U8|AFMT_S8))
return 8;
return 4;
return 30;
if (fmt & AFMT_MU_LAW)
return 20;
if (fmt & AFMT_A_LAW)
return 10;
return 0;
}
u_int32_t
@ -322,7 +326,8 @@ chn_fmtbestbit(u_int32_t fmt, u_int32_t *fmts)
score2 = chn_fmtscore(fmts[i]);
if (oldscore == 0 || (score2 == score) ||
(score2 > oldscore && score2 < score) ||
(score2 < oldscore && score2 > score)) {
(score2 < oldscore && score2 > score) ||
(oldscore < score && score2 > oldscore)) {
best = fmts[i];
oldscore = score2;
}
@ -344,7 +349,8 @@ chn_fmtbeststereo(u_int32_t fmt, u_int32_t *fmts)
score2 = chn_fmtscore(fmts[i]);
if (oldscore == 0 || (score2 == score) ||
(score2 > oldscore && score2 < score) ||
(score2 < oldscore && score2 > score)) {
(score2 < oldscore && score2 > score) ||
(oldscore < score && score2 > oldscore)) {
best = fmts[i];
oldscore = score2;
}
@ -369,9 +375,11 @@ chn_fmtbest(u_int32_t fmt, u_int32_t *fmts)
score = chn_fmtscore(fmt);
score1 = chn_fmtscore(best1);
score2 = chn_fmtscore(best2);
if (score2 == score)
if (score1 == score2 || score1 == score)
return best1;
else if (score2 == score)
return best2;
else if (score1 == score || score1 > score2)
else if (score1 > score2)
return best1;
return best2;
}