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gst/audioconvert/audioconvert.c: Cleanups.

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Original commit message from CVS:
* gst/audioconvert/audioconvert.c: (if), (float),
(audio_convert_get_func_index), (check_default),
(audio_convert_clean_fmt), (audio_convert_prepare_context),
(audio_convert_clean_context), (audio_convert_get_sizes),
(audio_convert_convert):
Cleanups.
This commit is contained in:
Wim Taymans 2005-08-26 18:57:30 +00:00
parent ddec57c089
commit b6c368ce67
2 changed files with 58 additions and 58 deletions
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9
ChangeLog
View file

@ -1,3 +1,12 @@
2005-08-26 Wim Taymans <wim@fluendo.com>
* gst/audioconvert/audioconvert.c: (if), (float),
(audio_convert_get_func_index), (check_default),
(audio_convert_clean_fmt), (audio_convert_prepare_context),
(audio_convert_clean_context), (audio_convert_get_sizes),
(audio_convert_convert):
Cleanups.
2005-08-26 Wim Taymans <wim@fluendo.com> 2005-08-26 Wim Taymans <wim@fluendo.com>
* gst/audioconvert/audioconvert.c: (if), (float), * gst/audioconvert/audioconvert.c: (if), (float),

85
gst/audioconvert/audioconvert.c
View file

@ -61,27 +61,26 @@ MAKE_UNPACK_FUNC_NAME (name) (gpointer src, gint32 *dst, \
UNPACK_CODE(type, 0, E_FUNC); \ UNPACK_CODE(type, 0, E_FUNC); \
} }
MAKE_UNPACK_FUNC_U (u8, guint8, /* nothing */ ) MAKE_UNPACK_FUNC_U (u8, guint8, /* nothing */ );
MAKE_UNPACK_FUNC_S (s8, gint8, /* nothing */ ) MAKE_UNPACK_FUNC_S (s8, gint8, /* nothing */ );
MAKE_UNPACK_FUNC_U (u16_le, guint16, GUINT16_FROM_LE) MAKE_UNPACK_FUNC_U (u16_le, guint16, GUINT16_FROM_LE);
MAKE_UNPACK_FUNC_S (s16_le, gint16, GINT16_FROM_LE) MAKE_UNPACK_FUNC_S (s16_le, gint16, GINT16_FROM_LE);
MAKE_UNPACK_FUNC_U (u16_be, guint16, GUINT16_FROM_BE) MAKE_UNPACK_FUNC_U (u16_be, guint16, GUINT16_FROM_BE);
MAKE_UNPACK_FUNC_S (s16_be, gint16, GINT16_FROM_BE) MAKE_UNPACK_FUNC_S (s16_be, gint16, GINT16_FROM_BE);
MAKE_UNPACK_FUNC_U (u32_le, guint32, GUINT32_FROM_LE) MAKE_UNPACK_FUNC_U (u32_le, guint32, GUINT32_FROM_LE);
MAKE_UNPACK_FUNC_S (s32_le, gint32, GINT32_FROM_LE) MAKE_UNPACK_FUNC_S (s32_le, gint32, GINT32_FROM_LE);
MAKE_UNPACK_FUNC_U (u32_be, guint32, GUINT32_FROM_BE) MAKE_UNPACK_FUNC_U (u32_be, guint32, GUINT32_FROM_BE);
MAKE_UNPACK_FUNC_S (s32_be, gint32, GINT32_FROM_BE) MAKE_UNPACK_FUNC_S (s32_be, gint32, GINT32_FROM_BE);
/* FIXME 24 bits */ /* FIXME 24 bits */
#if 0 #if 0
gint64 cur = 0; gint64 cur = 0;
/* FIXME */ /* FIXME */
/* Read 24-bits LE/BE into signed 64 host-endian */ /* Read 24-bits LE/BE into signed 64 host-endian */
if (this->sinkcaps.endianness == G_LITTLE_ENDIAN) if (this->sinkcaps.endianness == G_LITTLE_ENDIAN) {
{ cur = src[0] | (src[1] << 8) | (src[2] << 16);
cur = src[0] | (src[1] << 8) | (src[2] << 16);
} else { } else {
cur = src[2] | (src[1] << 8) | (src[0] << 16); cur = src[2] | (src[1] << 8) | (src[0] << 16);
} }
@ -307,8 +306,8 @@ audio_convert_convert (AudioConvertCtx * ctx, gpointer src,
gpointer dst, gint samples, gboolean src_writable) gpointer dst, gint samples, gboolean src_writable)
{ {
gint insize, outsize; gint insize, outsize;
gboolean final; gpointer outbuf, tmpbuf;
gpointer inbuf, outbuf, tmpbuf; gint biggest = 0;
g_return_val_if_fail (ctx != NULL, FALSE); g_return_val_if_fail (ctx != NULL, FALSE);
g_return_val_if_fail (src != NULL, FALSE); g_return_val_if_fail (src != NULL, FALSE);
@ -322,20 +321,16 @@ audio_convert_convert (AudioConvertCtx * ctx, gpointer src,
outsize = ctx->out.unit_size * samples; outsize = ctx->out.unit_size * samples;
/* find biggest temp buffer size */ /* find biggest temp buffer size */
{
gint biggest = 0;
if (!ctx->in_default) if (!ctx->in_default)
biggest = insize * 32 / ctx->in.width; biggest = insize * 32 / ctx->in.width;
if (!ctx->mix_passthrough) if (!ctx->mix_passthrough)
biggest = MAX (biggest, outsize * 32 / ctx->out.width); biggest = MAX (biggest, outsize * 32 / ctx->out.width);
/* see if one of the buffers can be used as temp */ /* see if one of the buffers can be used as temp */
if (insize >= biggest && src_writable) if (outsize >= biggest)
tmpbuf = src;
else if (outsize >= biggest)
tmpbuf = dst; tmpbuf = dst;
else if (insize >= biggest && src_writable)
tmpbuf = src;
else { else {
if (biggest > ctx->tmpbufsize) { if (biggest > ctx->tmpbufsize) {
ctx->tmpbuf = g_realloc (ctx->tmpbuf, biggest); ctx->tmpbuf = g_realloc (ctx->tmpbuf, biggest);
@ -343,41 +338,37 @@ audio_convert_convert (AudioConvertCtx * ctx, gpointer src,
} }
tmpbuf = ctx->tmpbuf; tmpbuf = ctx->tmpbuf;
} }
}
/* this is our source data, we start with the input src data. */
inbuf = src;
outbuf = dst;
/* start conversion */
if (!ctx->in_default) { if (!ctx->in_default) {
/* check if final conversion */ /* check if final conversion */
final = (ctx->out_default && ctx->mix_passthrough); if (!(ctx->out_default && ctx->mix_passthrough))
if (!final)
outbuf = tmpbuf;
ctx->unpack (inbuf, outbuf, ctx->scale, samples * ctx->in.channels);
inbuf = outbuf;
}
if (!ctx->mix_passthrough) {
/* see if we need an intermediate step */
final = ctx->out_default;
if (!final)
outbuf = tmpbuf; outbuf = tmpbuf;
else else
outbuf = dst; outbuf = dst;
/* convert */ /* unpack to default format */
gst_channel_mix_mix (ctx, inbuf, outbuf, samples); ctx->unpack (src, outbuf, ctx->scale, samples * ctx->in.channels);
inbuf = outbuf; src = outbuf;
}
if (!ctx->mix_passthrough) {
/* check if final conversion */
if (!ctx->out_default)
outbuf = tmpbuf;
else
outbuf = dst;
/* convert channels */
gst_channel_mix_mix (ctx, src, outbuf, samples);
src = outbuf;
} }
if (!ctx->out_default) { if (!ctx->out_default) {
ctx->pack (inbuf, dst, ctx->depth, samples * ctx->out.channels); /* pack default format into dst */
ctx->pack (src, dst, ctx->depth, samples * ctx->out.channels);
} }
return TRUE; return TRUE;