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Squash #1685, #1282, #1547: Support ARM platform. 5.0.5

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winlin 2021-06-22 07:49:48 +08:00
parent efdbf37255
commit a594678e3d
285 changed files with 12724 additions and 1671 deletions
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87
trunk/3rdparty/ffmpeg-4-fit/libavcodec/get_bits.h vendored
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@ -226,32 +226,34 @@ static inline int get_bits_count(const GetBitContext *s)
}
#if CACHED_BITSTREAM_READER
static inline void refill_32(GetBitContext *s, int is_le)
static inline void refill_32(GetBitContext *s)
{
#if !UNCHECKED_BITSTREAM_READER
if (s->index >> 3 >= s->buffer_end - s->buffer)
return;
#endif
if (is_le)
#ifdef BITSTREAM_READER_LE
s->cache = (uint64_t)AV_RL32(s->buffer + (s->index >> 3)) << s->bits_left | s->cache;
else
#else
s->cache = s->cache | (uint64_t)AV_RB32(s->buffer + (s->index >> 3)) << (32 - s->bits_left);
#endif
s->index += 32;
s->bits_left += 32;
}
static inline void refill_64(GetBitContext *s, int is_le)
static inline void refill_64(GetBitContext *s)
{
#if !UNCHECKED_BITSTREAM_READER
if (s->index >> 3 >= s->buffer_end - s->buffer)
return;
#endif
if (is_le)
#ifdef BITSTREAM_READER_LE
s->cache = AV_RL64(s->buffer + (s->index >> 3));
else
#else
s->cache = AV_RB64(s->buffer + (s->index >> 3));
#endif
s->index += 64;
s->bits_left = 64;
}
@ -378,16 +380,12 @@ static inline int get_sbits(GetBitContext *s, int n)
*/
static inline unsigned int get_bits(GetBitContext *s, int n)
{
register unsigned int tmp;
register int tmp;
#if CACHED_BITSTREAM_READER
av_assert2(n>0 && n<=32);
if (n > s->bits_left) {
#ifdef BITSTREAM_READER_LE
refill_32(s, 1);
#else
refill_32(s, 0);
#endif
refill_32(s);
if (s->bits_left < 32)
s->bits_left = n;
}
@ -405,7 +403,6 @@ static inline unsigned int get_bits(GetBitContext *s, int n)
LAST_SKIP_BITS(re, s, n);
CLOSE_READER(re, s);
#endif
av_assert2(tmp < UINT64_C(1) << n);
return tmp;
}
@ -422,7 +419,7 @@ static inline unsigned int get_bits_le(GetBitContext *s, int n)
#if CACHED_BITSTREAM_READER
av_assert2(n>0 && n<=32);
if (n > s->bits_left) {
refill_32(s, 1);
refill_32(s);
if (s->bits_left < 32)
s->bits_left = n;
}
@ -445,14 +442,10 @@ static inline unsigned int get_bits_le(GetBitContext *s, int n)
*/
static inline unsigned int show_bits(GetBitContext *s, int n)
{
register unsigned int tmp;
register int tmp;
#if CACHED_BITSTREAM_READER
if (n > s->bits_left)
#ifdef BITSTREAM_READER_LE
refill_32(s, 1);
#else
refill_32(s, 0);
#endif
refill_32(s);
tmp = show_val(s, n);
#else
@ -480,11 +473,7 @@ static inline void skip_bits(GetBitContext *s, int n)
n -= skip;
s->index += skip;
}
#ifdef BITSTREAM_READER_LE
refill_64(s, 1);
#else
refill_64(s, 0);
#endif
refill_64(s);
if (n)
skip_remaining(s, n);
}
@ -499,11 +488,7 @@ static inline unsigned int get_bits1(GetBitContext *s)
{
#if CACHED_BITSTREAM_READER
if (!s->bits_left)
#ifdef BITSTREAM_READER_LE
refill_64(s, 1);
#else
refill_64(s, 0);
#endif
refill_64(s);
#ifdef BITSTREAM_READER_LE
return get_val(s, 1, 1);
@ -619,8 +604,16 @@ static inline int check_marker(void *logctx, GetBitContext *s, const char *msg)
return bit;
}
static inline int init_get_bits_xe(GetBitContext *s, const uint8_t *buffer,
int bit_size, int is_le)
/**
* Initialize GetBitContext.
* @param buffer bitstream buffer, must be AV_INPUT_BUFFER_PADDING_SIZE bytes
* larger than the actual read bits because some optimized bitstream
* readers read 32 or 64 bit at once and could read over the end
* @param bit_size the size of the buffer in bits
* @return 0 on success, AVERROR_INVALIDDATA if the buffer_size would overflow.
*/
static inline int init_get_bits(GetBitContext *s, const uint8_t *buffer,
int bit_size)
{
int buffer_size;
int ret = 0;
@ -640,32 +633,12 @@ static inline int init_get_bits_xe(GetBitContext *s, const uint8_t *buffer,
s->index = 0;
#if CACHED_BITSTREAM_READER
s->cache = 0;
s->bits_left = 0;
refill_64(s, is_le);
refill_64(s);
#endif
return ret;
}
/**
* Initialize GetBitContext.
* @param buffer bitstream buffer, must be AV_INPUT_BUFFER_PADDING_SIZE bytes
* larger than the actual read bits because some optimized bitstream
* readers read 32 or 64 bit at once and could read over the end
* @param bit_size the size of the buffer in bits
* @return 0 on success, AVERROR_INVALIDDATA if the buffer_size would overflow.
*/
static inline int init_get_bits(GetBitContext *s, const uint8_t *buffer,
int bit_size)
{
#ifdef BITSTREAM_READER_LE
return init_get_bits_xe(s, buffer, bit_size, 1);
#else
return init_get_bits_xe(s, buffer, bit_size, 0);
#endif
}
/**
* Initialize GetBitContext.
* @param buffer bitstream buffer, must be AV_INPUT_BUFFER_PADDING_SIZE bytes
@ -682,14 +655,6 @@ static inline int init_get_bits8(GetBitContext *s, const uint8_t *buffer,
return init_get_bits(s, buffer, byte_size * 8);
}
static inline int init_get_bits8_le(GetBitContext *s, const uint8_t *buffer,
int byte_size)
{
if (byte_size > INT_MAX / 8 || byte_size < 0)
byte_size = -1;
return init_get_bits_xe(s, buffer, byte_size * 8, 1);
}
static inline const uint8_t *align_get_bits(GetBitContext *s)
{
int n = -get_bits_count(s) & 7;