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	return index;	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	typedef struct VLCcode {	131	typedef struct VLCcode {
140	uint8_t bits;	132	uint8_t bits;
141	uint16_t symbol;	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	return b.s8;	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	#endif /* AVCODEC_MATHOPS_H */	260	#endif /* AVCODEC_MATHOPS_H */