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Commit FS#10423 by Yoshihisa Uchida. Adds support for floating point PCM to libpcm.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24348 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Giacomelli 2010-01-27 18:10:08 +00:00
parent 4de4a3fa1c
commit e04e2938e7
5 changed files with 159 additions and 2 deletions
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6
apps/codecs/aiff.c
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@ -34,15 +34,19 @@ enum {
AIFC_FORMAT_PCM = FOURCC('N', 'O', 'N', 'E'), /* AIFC PCM Format (big endian) */
AIFC_FORMAT_ALAW = FOURCC('a', 'l', 'a', 'w'), /* AIFC ALaw compressed */
AIFC_FORMAT_MULAW = FOURCC('u', 'l', 'a', 'w'), /* AIFC uLaw compressed */
AIFC_FORMAT_IEEE_FLOAT32 = FOURCC('f', 'l', '3', '2'), /* AIFC IEEE float 32 bit */
AIFC_FORMAT_IEEE_FLOAT64 = FOURCC('f', 'l', '6', '4'), /* AIFC IEEE float 64 bit */
};
static const struct pcm_entry pcm_codecs[] = {
{ AIFC_FORMAT_PCM, get_linear_pcm_codec },
{ AIFC_FORMAT_ALAW, get_itut_g711_alaw_codec },
{ AIFC_FORMAT_MULAW, get_itut_g711_mulaw_codec },
{ AIFC_FORMAT_IEEE_FLOAT32, get_ieee_float_codec },
{ AIFC_FORMAT_IEEE_FLOAT64, get_ieee_float_codec },
};
#define NUM_FORMATS 3
#define NUM_FORMATS 5
static int32_t samples[PCM_CHUNK_SIZE] IBSS_ATTR;