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Fixed silence patterns

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This commit is contained in:
Abramo Bagnara 2000-07-07 11:14:16 +00:00
parent 63386fb14a
commit 8ab37ed29c
1 changed files with 55 additions and 16 deletions
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69
src/pcm/pcm_misc.c
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@ -239,46 +239,85 @@ u_int64_t snd_pcm_format_silence_64(int format)
return 0; return 0;
case SND_PCM_SFMT_U8: case SND_PCM_SFMT_U8:
return 0x8080808080808080ULL; return 0x8080808080808080ULL;
#ifdef SND_LITTLE_ENDIAN
case SND_PCM_SFMT_U16_LE: case SND_PCM_SFMT_U16_LE:
case SND_PCM_SFMT_U24_LE:
case SND_PCM_SFMT_U32_LE:
#ifdef SND_LITTLE_ENDIAN
return 0x8000800080008000ULL; return 0x8000800080008000ULL;
#else case SND_PCM_SFMT_U24_LE:
return 0x0080008000800080ULL; return 0x0080000000800000ULL;
#endif case SND_PCM_SFMT_U32_LE:
return 0x8000000080000000ULL;
case SND_PCM_SFMT_U16_BE: case SND_PCM_SFMT_U16_BE:
return 0x0080008000800080ULL;
case SND_PCM_SFMT_U24_BE: case SND_PCM_SFMT_U24_BE:
return 0x0000800000008000ULL;
case SND_PCM_SFMT_U32_BE: case SND_PCM_SFMT_U32_BE:
#ifdef SND_LITTLE_ENDIAN
return 0x0000008000000080ULL; return 0x0000008000000080ULL;
#else #else
case SND_PCM_SFMT_U16_LE:
return 0x0080008000800080ULL;
case SND_PCM_SFMT_U24_LE:
return 0x0000800000008000ULL;
case SND_PCM_SFMT_U32_LE:
return 0x0000008000000080ULL;
case SND_PCM_SFMT_U16_BE:
return 0x8000800080008000ULL;
case SND_PCM_SFMT_U24_BE:
return 0x0080000000800000ULL;
case SND_PCM_SFMT_U32_BE:
return 0x8000000080000000ULL; return 0x8000000080000000ULL;
#endif #endif
case SND_PCM_SFMT_FLOAT_LE: case SND_PCM_SFMT_FLOAT_LE:
{
union {
float f;
u_int32_t i;
} u;
u.f = 0.0;
#ifdef SND_LITTLE_ENDIAN #ifdef SND_LITTLE_ENDIAN
return (float)0.0; return u.i;
#else #else
return bswap_32((u_int32_t)((float)0.0)); return bswap_32(u.i);
#endif #endif
}
case SND_PCM_SFMT_FLOAT64_LE: case SND_PCM_SFMT_FLOAT64_LE:
{
union {
double f;
u_int64_t i;
} u;
u.f = 0.0;
#ifdef SND_LITTLE_ENDIAN #ifdef SND_LITTLE_ENDIAN
return (double)0.0; return u.i;
#else #else
return bswap_64((u_int64_t)((double)0.0)); return bswap_64(u.i);
#endif #endif
}
case SND_PCM_SFMT_FLOAT_BE: case SND_PCM_SFMT_FLOAT_BE:
{
union {
double f;
u_int32_t i;
} u;
u.f = 0.0;
#ifdef SND_LITTLE_ENDIAN #ifdef SND_LITTLE_ENDIAN
return bswap_32((u_int32_t)((float)0.0)); return bswap_32(u.i);
#else #else
return (float)0.0; return u.i;
#endif #endif
}
case SND_PCM_SFMT_FLOAT64_BE: case SND_PCM_SFMT_FLOAT64_BE:
{
union {
double f;
u_int64_t i;
} u;
u.f = 0.0;
#ifdef SND_LITTLE_ENDIAN #ifdef SND_LITTLE_ENDIAN
return bswap_64((u_int64_t)((double)0.0)); return bswap_64(u.i);
#else #else
return (double)0.0; return u.i;
#endif #endif
}
case SND_PCM_SFMT_IEC958_SUBFRAME_LE: case SND_PCM_SFMT_IEC958_SUBFRAME_LE:
case SND_PCM_SFMT_IEC958_SUBFRAME_BE: case SND_PCM_SFMT_IEC958_SUBFRAME_BE:
return 0; return 0;