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| author | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2013-12-30 12:10:35 +0100 |
|---|---|---|
| committer | Reimar Döffinger <Reimar.Doeffinger@gmx.de> | 2013-12-31 12:19:59 +0100 |
| commit | cbeaf678889baeaac0776305f3ca289318a1aca7 (patch) | |
| tree | 41f22c79242b6bf67525395fd581dc2103976c6f /libavcodec | |
| parent | 7fdf245ab9cb06b7195b8554e0b56f0835d1a142 (diff) | |
| download | ffmpeg-cbeaf678889baeaac0776305f3ca289318a1aca7.tar.gz | |
Avoid using empty macro arguments.
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>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/mss1.c | 4 | ||||
| -rw-r--r-- | libavcodec/mss12.h | 14 | ||||
| -rw-r--r-- | libavcodec/mss2.c | 4 |
3 files changed, 11 insertions, 11 deletions
diff --git a/libavcodec/mss1.c b/libavcodec/mss1.c index fc88eb0fd9..6bb524bc48 100644 --- a/libavcodec/mss1.c +++ b/libavcodec/mss1.c @@ -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) { diff --git a/libavcodec/mss12.h b/libavcodec/mss12.h index a3f9a7ca70..f953167389 100644 --- a/libavcodec/mss12.h +++ b/libavcodec/mss12.h @@ -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; \ } diff --git a/libavcodec/mss2.c b/libavcodec/mss2.c index 99db046f03..86a6dcb93f 100644 --- a/libavcodec/mss2.c +++ b/libavcodec/mss2.c @@ -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) { |