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Avoid using empty macro arguments.

Browse Source 
These are not supported by all compilers (gcc 2.95 but also older SPARC
compilers, see gcc bug #33304 for example), and there is no real need for them.
One use of this feature remains in libavdevice/v4l2.c which can't be
replaced quite as easily.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
This commit is contained in:
Reimar Döffinger 2013-12-30 12:10:35 +01:00
parent 7fdf245ab9
commit cbeaf67888
4 changed files with 16 additions and 16 deletions
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4
libavcodec/mss1.c
View File

@ -60,7 +60,7 @@ static void arith_normalise(ArithCoder *c)
}
}
ARITH_GET_BIT()
ARITH_GET_BIT(arith)
static int arith_get_bits(ArithCoder *c, int bits)
{
@ -105,7 +105,7 @@ static int arith_get_prob(ArithCoder *c, int16_t *probs)
return sym;
}
ARITH_GET_MODEL_SYM()
ARITH_GET_MODEL_SYM(arith)
static void arith_init(ArithCoder *c, GetBitContext *gb)
{

14
libavcodec/mss12.h
View File

@ -99,8 +99,8 @@ int ff_mss12_decode_init(MSS12Context *c, int version,
SliceContext *sc1, SliceContext *sc2);
int ff_mss12_decode_end(MSS12Context *ctx);
#define ARITH_GET_BIT(VERSION) \
static int arith ## VERSION ## _get_bit(ArithCoder *c) \
#define ARITH_GET_BIT(prefix) \
static int prefix ## _get_bit(ArithCoder *c) \
{ \
int range = c->high - c->low + 1; \
int bit = 2 * c->value - c->low >= c->high; \
@ -110,22 +110,22 @@ static int arith ## VERSION ## _get_bit(ArithCoder *c) \
else \
c->high = c->low + (range >> 1) - 1; \
\
arith ## VERSION ## _normalise(c); \
prefix ## _normalise(c); \
\
return bit; \
}
#define ARITH_GET_MODEL_SYM(VERSION) \
static int arith ## VERSION ## _get_model_sym(ArithCoder *c, Model *m) \
#define ARITH_GET_MODEL_SYM(prefix) \
static int prefix ## _get_model_sym(ArithCoder *c, Model *m) \
{ \
int idx, val; \
\
idx = arith ## VERSION ## _get_prob(c, m->cum_prob); \
idx = prefix ## _get_prob(c, m->cum_prob); \
\
val = m->idx2sym[idx]; \
ff_mss12_model_update(m, idx); \
\
arith ## VERSION ## _normalise(c); \
prefix ## _normalise(c); \
\
return val; \
}

4
libavcodec/mss2.c
View File

@ -54,7 +54,7 @@ static void arith2_normalise(ArithCoder *c)
}
}
ARITH_GET_BIT(2)
ARITH_GET_BIT(arith2)
/* L. Stuiver and A. Moffat: "Piecewise Integer Mapping for Arithmetic Coding."
* In Proc. 8th Data Compression Conference (DCC '98), pp. 3-12, Mar. 1998 */
@ -127,7 +127,7 @@ static int arith2_get_prob(ArithCoder *c, int16_t *probs)
return i;
}
ARITH_GET_MODEL_SYM(2)
ARITH_GET_MODEL_SYM(arith2)
static int arith2_get_consumed_bytes(ArithCoder *c)
{

10
libswresample/x86/swresample_x86.c
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@ -21,14 +21,14 @@
#include "libswresample/swresample_internal.h"
#include "libswresample/audioconvert.h"
#define PROTO(pre, in, out, cap) void ff ## pre ## _ ##in## _to_ ##out## _a_ ##cap(uint8_t **dst, const uint8_t **src, int len);
#define PROTO(pre, in, out, cap) void ff ## pre ## in## _to_ ##out## _a_ ##cap(uint8_t **dst, const uint8_t **src, int len);
#define PROTO2(pre, out, cap) PROTO(pre, int16, out, cap) PROTO(pre, int32, out, cap) PROTO(pre, float, out, cap)
#define PROTO3(pre, cap) PROTO2(pre, int16, cap) PROTO2(pre, int32, cap) PROTO2(pre, float, cap)
#define PROTO4(pre) PROTO3(pre, mmx) PROTO3(pre, sse) PROTO3(pre, sse2) PROTO3(pre, ssse3) PROTO3(pre, sse4) PROTO3(pre, avx)
PROTO4()
PROTO4(_pack_2ch)
PROTO4(_pack_6ch)
PROTO4(_unpack_2ch)
PROTO4(_)
PROTO4(_pack_2ch_)
PROTO4(_pack_6ch_)
PROTO4(_unpack_2ch_)
av_cold void swri_audio_convert_init_x86(struct AudioConvert *ac,
enum AVSampleFormat out_fmt,