avcodec: move bitswap_32() into a header file

Allows more codecs than mpeg12video to make use of it.

Steinar H. Gunderson committed 9 years ago

Commit eaff1aa1 parent 107b3062 files · +8 −8Browse files

Unified · Split

2 files

libavcodec/bitstream.c +0 −8
libavcodec/mathops.h +8 −0

libavcodec/bitstream.c+0−8

@@ -128,14 +128,6 @@ static int alloc_table(VLC *vlc, int size, int use_static) · 127 unmodified lines
128	128	return index;
129	129	}
130	130
131		−static av_always_inline uint32_t bitswap_32(uint32_t x)
132		−{
133		− return (uint32_t)ff_reverse[ x & 0xFF] << 24 \|
134		− (uint32_t)ff_reverse[(x >> 8) & 0xFF] << 16 \|
135		− (uint32_t)ff_reverse[(x >> 16) & 0xFF] << 8 \|
136		− (uint32_t)ff_reverse[ x >> 24];
137		−}
138		−
139	131	typedef struct VLCcode {
140	132	uint8_t bits;
141	133	uint16_t symbol;

libavcodec/mathops.h+8−0

@@ -249,4 +249,12 @@ static inline int8_t ff_u8_to_s8(uint8_t a) · 248 unmodified lines
249	249	return b.s8;
250	250	}
251	251
	252	+static av_always_inline uint32_t bitswap_32(uint32_t x)
	253	+{
	254	+ return (uint32_t)ff_reverse[ x & 0xFF] << 24 \|
	255	+ (uint32_t)ff_reverse[(x >> 8) & 0xFF] << 16 \|
	256	+ (uint32_t)ff_reverse[(x >> 16) & 0xFF] << 8 \|
	257	+ (uint32_t)ff_reverse[ x >> 24];
	258	+}
	259	+
252	260	#endif /* AVCODEC_MATHOPS_H */