Common internal sample format for AC3.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8684 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thom Johansen 2006-02-13 19:51:53 +00:00
parent 1375e5771c
commit d1fbd12189

View file

@ -81,8 +81,10 @@ void a52_decode_data(uint8_t *start, uint8_t *end)
}
bufpos = buf + length;
} else {
/* The following two defaults are taken from audio_out_oss.c: */
level_t level = 1 << 26;
/* Unity gain is 1 << 26, and we want to end up on 28 bits
of precision instead of the default 30.
*/
level_t level = 1 << 24;
sample_t bias = 0;
int i;
@ -142,9 +144,7 @@ enum codec_status codec_start(struct codec_api *api)
ci->configure(CODEC_DSP_ENABLE, (bool *)true);
ci->configure(DSP_DITHER, (bool *)false);
ci->configure(DSP_SET_STEREO_MODE, (long *)STEREO_NONINTERLEAVED);
ci->configure(DSP_SET_SAMPLE_DEPTH, (long *)30);
ci->configure(DSP_SET_CLIP_MAX, (long *)((1 << 30) - 1));
ci->configure(DSP_SET_CLIP_MIN, (long *)-(1 << 30));
ci->configure(DSP_SET_SAMPLE_DEPTH, (long *)28);
ci->configure(CODEC_SET_FILEBUF_CHUNKSIZE, (long *)(1024*128));
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