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Move av_reverse table to libavcodec

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It is only used in that library.
This commit is contained in:
Diego Biurrun 2012-10-11 18:50:30 +02:00
parent 930c9d4373
commit d5c62122a7
16 changed files with 91 additions and 50 deletions
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7
libavcodec/asvdec.c
View File

@ -23,13 +23,14 @@
* ASUS V1/V2 decoder.
*/
#include "libavutil/common.h"
#include "libavutil/attributes.h"
#include "libavutil/mem.h"
#include "asv.h"
#include "avcodec.h"
#include "put_bits.h"
#include "dsputil.h"
#include "mathops.h"
#include "mpeg12data.h"
//#undef NDEBUG
@ -70,7 +71,7 @@ static av_cold void init_vlcs(ASV1Context *a){
//FIXME write a reversed bitstream reader to avoid the double reverse
static inline int asv2_get_bits(GetBitContext *gb, int n){
return av_reverse[ get_bits(gb, n) << (8-n) ];
return ff_reverse[ get_bits(gb, n) << (8-n) ];
}
static inline int asv1_get_level(GetBitContext *gb){
@ -210,7 +211,7 @@ static int decode_frame(AVCodecContext *avctx,
else{
int i;
for(i=0; i<buf_size; i++)
a->bitstream_buffer[i]= av_reverse[ buf[i] ];
a->bitstream_buffer[i]= ff_reverse[ buf[i] ];
}
init_get_bits(&a->gb, a->bitstream_buffer, buf_size*8);

7
libavcodec/asvenc.c
View File

@ -23,15 +23,16 @@
* ASUS V1/V2 encoder.
*/
#include "libavutil/common.h"
#include "libavutil/attributes.h"
#include "libavutil/mem.h"
#include "asv.h"
#include "avcodec.h"
#include "mathops.h"
#include "mpeg12data.h"
static inline void asv2_put_bits(PutBitContext *pb, int n, int v){
put_bits(pb, n, av_reverse[ v << (8-n) ]);
put_bits(pb, n, ff_reverse[ v << (8-n) ]);
}
static inline void asv1_put_level(PutBitContext *pb, int level){
@ -226,7 +227,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
else{
int i;
for(i=0; i<4*size; i++)
pkt->data[i] = av_reverse[pkt->data[i]];
pkt->data[i] = ff_reverse[pkt->data[i]];
}
pkt->size = size*4;

9
libavcodec/bitstream.c
View File

@ -29,6 +29,7 @@
*/
#include "avcodec.h"
#include "mathops.h"
#include "get_bits.h"
#include "put_bits.h"
@ -114,10 +115,10 @@ static int alloc_table(VLC *vlc, int size, int use_static)
}
static av_always_inline uint32_t bitswap_32(uint32_t x) {
return (uint32_t)av_reverse[x&0xFF]<<24
| (uint32_t)av_reverse[(x>>8)&0xFF]<<16
| (uint32_t)av_reverse[(x>>16)&0xFF]<<8
| (uint32_t)av_reverse[x>>24];
return (uint32_t)ff_reverse[x&0xFF]<<24
| (uint32_t)ff_reverse[(x>>8)&0xFF]<<16
| (uint32_t)ff_reverse[(x>>16)&0xFF]<<8
| (uint32_t)ff_reverse[x>>24];
}
typedef struct {

6
libavcodec/indeo2.c
View File

@ -23,11 +23,13 @@
* @file
* Intel Indeo 2 decoder.
*/
#define BITSTREAM_READER_LE
#include "libavutil/attributes.h"
#include "avcodec.h"
#include "get_bits.h"
#include "indeo2data.h"
#include "libavutil/common.h"
#include "mathops.h"
typedef struct Ir2Context{
AVCodecContext *avctx;
@ -168,7 +170,7 @@ static int ir2_decode_frame(AVCodecContext *avctx,
/* decide whether frame uses deltas or not */
#ifndef BITSTREAM_READER_LE
for (i = 0; i < buf_size; i++)
buf[i] = av_reverse[buf[i]];
buf[i] = ff_reverse[buf[i]];
#endif
init_get_bits(&s->gb, buf + start, (buf_size - start) * 8);

7
libavcodec/ivi_common.c
View File

@ -27,10 +27,11 @@
*/
#define BITSTREAM_READER_LE
#include "libavutil/attributes.h"
#include "avcodec.h"
#include "get_bits.h"
#include "mathops.h"
#include "ivi_common.h"
#include "libavutil/common.h"
#include "ivi_dsp.h"
extern const IVIHuffDesc ff_ivi_mb_huff_desc[8]; ///< static macroblock huffman tables
@ -48,9 +49,9 @@ static uint16_t inv_bits(uint16_t val, int nbits)
uint16_t res;
if (nbits <= 8) {
res = av_reverse[val] >> (8-nbits);
res = ff_reverse[val] >> (8-nbits);
} else
res = ((av_reverse[val & 0xFF] << 8) + (av_reverse[val >> 8])) >> (16-nbits);
res = ((ff_reverse[val & 0xFF] << 8) + (ff_reverse[val >> 8])) >> (16-nbits);
return res;
}

1
libavcodec/mathops.h
View File

@ -28,6 +28,7 @@
#include "config.h"
extern const uint32_t ff_inverse[257];
extern const uint8_t ff_reverse[256];
extern const uint8_t ff_sqrt_tab[256];
#if ARCH_ARM

19
libavcodec/mathtables.c
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@ -66,3 +66,22 @@ const uint8_t ff_sqrt_tab[256]={
222,223,223,224,224,225,226,226,227,227,228,228,229,230,230,231,231,232,232,233,233,234,235,235,236,236,237,237,238,238,239,239,
240,240,241,242,242,243,243,244,244,245,245,246,246,247,247,248,248,249,249,250,250,251,251,252,252,253,253,254,254,255,255,255
};
const uint8_t ff_reverse[256] = {
0x00,0x80,0x40,0xC0,0x20,0xA0,0x60,0xE0,0x10,0x90,0x50,0xD0,0x30,0xB0,0x70,0xF0,
0x08,0x88,0x48,0xC8,0x28,0xA8,0x68,0xE8,0x18,0x98,0x58,0xD8,0x38,0xB8,0x78,0xF8,
0x04,0x84,0x44,0xC4,0x24,0xA4,0x64,0xE4,0x14,0x94,0x54,0xD4,0x34,0xB4,0x74,0xF4,
0x0C,0x8C,0x4C,0xCC,0x2C,0xAC,0x6C,0xEC,0x1C,0x9C,0x5C,0xDC,0x3C,0xBC,0x7C,0xFC,
0x02,0x82,0x42,0xC2,0x22,0xA2,0x62,0xE2,0x12,0x92,0x52,0xD2,0x32,0xB2,0x72,0xF2,
0x0A,0x8A,0x4A,0xCA,0x2A,0xAA,0x6A,0xEA,0x1A,0x9A,0x5A,0xDA,0x3A,0xBA,0x7A,0xFA,
0x06,0x86,0x46,0xC6,0x26,0xA6,0x66,0xE6,0x16,0x96,0x56,0xD6,0x36,0xB6,0x76,0xF6,
0x0E,0x8E,0x4E,0xCE,0x2E,0xAE,0x6E,0xEE,0x1E,0x9E,0x5E,0xDE,0x3E,0xBE,0x7E,0xFE,
0x01,0x81,0x41,0xC1,0x21,0xA1,0x61,0xE1,0x11,0x91,0x51,0xD1,0x31,0xB1,0x71,0xF1,
0x09,0x89,0x49,0xC9,0x29,0xA9,0x69,0xE9,0x19,0x99,0x59,0xD9,0x39,0xB9,0x79,0xF9,
0x05,0x85,0x45,0xC5,0x25,0xA5,0x65,0xE5,0x15,0x95,0x55,0xD5,0x35,0xB5,0x75,0xF5,
0x0D,0x8D,0x4D,0xCD,0x2D,0xAD,0x6D,0xED,0x1D,0x9D,0x5D,0xDD,0x3D,0xBD,0x7D,0xFD,
0x03,0x83,0x43,0xC3,0x23,0xA3,0x63,0xE3,0x13,0x93,0x53,0xD3,0x33,0xB3,0x73,0xF3,
0x0B,0x8B,0x4B,0xCB,0x2B,0xAB,0x6B,0xEB,0x1B,0x9B,0x5B,0xDB,0x3B,0xBB,0x7B,0xFB,
0x07,0x87,0x47,0xC7,0x27,0xA7,0x67,0xE7,0x17,0x97,0x57,0xD7,0x37,0xB7,0x77,0xF7,
0x0F,0x8F,0x4F,0xCF,0x2F,0xAF,0x6F,0xEF,0x1F,0x9F,0x5F,0xDF,0x3F,0xBF,0x7F,0xFF,
};

11
libavcodec/pcm.c
View File

@ -24,10 +24,11 @@
* PCM codecs
*/
#include "libavutil/common.h" /* for av_reverse */
#include "libavutil/attributes.h"
#include "avcodec.h"
#include "bytestream.h"
#include "internal.h"
#include "mathops.h"
#include "pcm_tablegen.h"
#define MAX_CHANNELS 64
@ -124,8 +125,8 @@ static int pcm_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
break;
case AV_CODEC_ID_PCM_S24DAUD:
for (; n > 0; n--) {
uint32_t tmp = av_reverse[(*samples >> 8) & 0xff] +
(av_reverse[*samples & 0xff] << 8);
uint32_t tmp = ff_reverse[(*samples >> 8) & 0xff] +
(ff_reverse[*samples & 0xff] << 8);
tmp <<= 4; // sync flags would go here
bytestream_put_be24(&dst, tmp);
samples++;
@ -332,8 +333,8 @@ static int pcm_decode_frame(AVCodecContext *avctx, void *data,
for (; n > 0; n--) {
uint32_t v = bytestream_get_be24(&src);
v >>= 4; // sync flags are here
AV_WN16A(samples, av_reverse[(v >> 8) & 0xff] +
(av_reverse[v & 0xff] << 8));
AV_WN16A(samples, ff_reverse[(v >> 8) & 0xff] +
(ff_reverse[v & 0xff] << 8));
samples += 2;
}
break;

39
libavcodec/s302m.c
View File

@ -20,9 +20,10 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/log.h"
#include "avcodec.h"
#include "mathops.h"
#define AES3_HEADER_LEN 4
@ -105,34 +106,34 @@ static int s302m_decode_frame(AVCodecContext *avctx, void *data,
if (avctx->bits_per_coded_sample == 24) {
uint32_t *o = (uint32_t *)s->frame.data[0];
for (; buf_size > 6; buf_size -= 7) {
*o++ = (av_reverse[buf[2]] << 24) |
(av_reverse[buf[1]] << 16) |
(av_reverse[buf[0]] << 8);
*o++ = (av_reverse[buf[6] & 0xf0] << 28) |
(av_reverse[buf[5]] << 20) |
(av_reverse[buf[4]] << 12) |
(av_reverse[buf[3] & 0x0f] << 4);
*o++ = (ff_reverse[buf[2]] << 24) |
(ff_reverse[buf[1]] << 16) |
(ff_reverse[buf[0]] << 8);
*o++ = (ff_reverse[buf[6] & 0xf0] << 28) |
(ff_reverse[buf[5]] << 20) |
(ff_reverse[buf[4]] << 12) |
(ff_reverse[buf[3] & 0x0f] << 4);
buf += 7;
}
} else if (avctx->bits_per_coded_sample == 20) {
uint32_t *o = (uint32_t *)s->frame.data[0];
for (; buf_size > 5; buf_size -= 6) {
*o++ = (av_reverse[buf[2] & 0xf0] << 28) |
(av_reverse[buf[1]] << 20) |
(av_reverse[buf[0]] << 12);
*o++ = (av_reverse[buf[5] & 0xf0] << 28) |
(av_reverse[buf[4]] << 20) |
(av_reverse[buf[3]] << 12);
*o++ = (ff_reverse[buf[2] & 0xf0] << 28) |
(ff_reverse[buf[1]] << 20) |
(ff_reverse[buf[0]] << 12);
*o++ = (ff_reverse[buf[5] & 0xf0] << 28) |
(ff_reverse[buf[4]] << 20) |
(ff_reverse[buf[3]] << 12);
buf += 6;
}
} else {
uint16_t *o = (uint16_t *)s->frame.data[0];
for (; buf_size > 4; buf_size -= 5) {
*o++ = (av_reverse[buf[1]] << 8) |
av_reverse[buf[0]];
*o++ = (av_reverse[buf[4] & 0xf0] << 12) |
(av_reverse[buf[3]] << 4) |
(av_reverse[buf[2]] >> 4);
*o++ = (ff_reverse[buf[1]] << 8) |
ff_reverse[buf[0]];
*o++ = (ff_reverse[buf[4] & 0xf0] << 12) |
(ff_reverse[buf[3]] << 4) |
(ff_reverse[buf[2]] >> 4);
buf += 5;
}
}

7
libavcodec/tiff.c
View File

@ -33,7 +33,8 @@
#include "lzw.h"
#include "tiff.h"
#include "faxcompr.h"
#include "libavutil/common.h"
#include "mathops.h"
#include "libavutil/attributes.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/imgutils.h"
@ -171,7 +172,7 @@ static int tiff_unpack_strip(TiffContext *s, uint8_t *dst, int stride,
memcpy(src2, src, size);
} else {
for (i = 0; i < size; i++)
src2[i] = av_reverse[src[i]];
src2[i] = ff_reverse[src[i]];
}
memset(src2 + size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
switch (s->compr) {
@ -199,7 +200,7 @@ static int tiff_unpack_strip(TiffContext *s, uint8_t *dst, int stride,
} else {
int i;
for (i = 0; i < width; i++)
dst[i] = av_reverse[src[i]];
dst[i] = ff_reverse[src[i]];
}
src += width;
break;

3
libavcodec/vble.c
View File

@ -29,6 +29,7 @@
#include "avcodec.h"
#include "dsputil.h"
#include "get_bits.h"
#include "mathops.h"
typedef struct {
AVCodecContext *avctx;
@ -44,7 +45,7 @@ static uint8_t vble_read_reverse_unary(GetBitContext *gb)
uint8_t val = show_bits(gb, 8);
if (val) {
val = 7 - av_log2_16bit(av_reverse[val]);
val = 7 - av_log2_16bit(ff_reverse[val]);
skip_bits(gb, val + 1);
return val;
} else {

6
libavcodec/wnv1.c
View File

@ -26,7 +26,7 @@
#include "avcodec.h"
#include "get_bits.h"
#include "libavutil/common.h"
#include "mathops.h"
typedef struct WNV1Context{
@ -52,7 +52,7 @@ static inline int wnv1_get_code(WNV1Context *w, int base_value)
int v = get_vlc2(&w->gb, code_vlc.table, CODE_VLC_BITS, 1);
if(v==15)
return av_reverse[ get_bits(&w->gb, 8 - w->shift) ];
return ff_reverse[ get_bits(&w->gb, 8 - w->shift) ];
else
return base_value + ((v - 7)<<w->shift);
}
@ -88,7 +88,7 @@ static int decode_frame(AVCodecContext *avctx,
p->key_frame = 1;
for(i=8; i<buf_size; i++)
rbuf[i]= av_reverse[ buf[i] ];
rbuf[i]= ff_reverse[ buf[i] ];
init_get_bits(&l->gb, rbuf+8, (buf_size-8)*8);
if (buf[2] >> 4 == 6)

4
libavcodec/xbmenc.c
View File

@ -22,7 +22,7 @@
#include "avcodec.h"
#include "internal.h"
#include "libavutil/common.h"
#include "mathops.h"
static av_cold int xbm_encode_init(AVCodecContext *avctx)
{
@ -55,7 +55,7 @@ static int xbm_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
buf += snprintf(buf, 40, "static unsigned char image_bits[] = {\n");
for (i = 0; i < avctx->height; i++) {
for (j = 0; j < linesize; j++)
buf += snprintf(buf, 7, " 0x%02X,", av_reverse[*ptr++]);
buf += snprintf(buf, 7, " 0x%02X,", ff_reverse[*ptr++]);
ptr += p->linesize[0] - linesize;
buf += snprintf(buf, 2, "\n");
}

6
libavutil/common.h
View File

@ -34,7 +34,9 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "attributes.h"
#include "version.h"
#include "libavutil/avconfig.h"
#if AV_HAVE_BIGENDIAN
@ -62,7 +64,9 @@
/* misc math functions */
extern const uint8_t ff_log2_tab[256];
extern const uint8_t av_reverse[256];
#if FF_API_AV_REVERSE
extern attribute_deprecated const uint8_t av_reverse[256];
#endif
static av_always_inline av_const int av_log2_c(unsigned int v)
{

6
libavutil/mathematics.c
View File

@ -26,8 +26,11 @@
#include <assert.h>
#include <stdint.h>
#include <limits.h>
#include "mathematics.h"
#include "mathematics.h"
#include "version.h"
#if FF_API_AV_REVERSE
const uint8_t av_reverse[256]={
0x00,0x80,0x40,0xC0,0x20,0xA0,0x60,0xE0,0x10,0x90,0x50,0xD0,0x30,0xB0,0x70,0xF0,
0x08,0x88,0x48,0xC8,0x28,0xA8,0x68,0xE8,0x18,0x98,0x58,0xD8,0x38,0xB8,0x78,0xF8,
@ -46,6 +49,7 @@ const uint8_t av_reverse[256]={
0x07,0x87,0x47,0xC7,0x27,0xA7,0x67,0xE7,0x17,0x97,0x57,0xD7,0x37,0xB7,0x77,0xF7,
0x0F,0x8F,0x4F,0xCF,0x2F,0xAF,0x6F,0xEF,0x1F,0x9F,0x5F,0xDF,0x3F,0xBF,0x7F,0xFF,
};
#endif
int64_t av_gcd(int64_t a, int64_t b){
if(b) return av_gcd(b, a%b);

3
libavutil/version.h
View File

@ -82,6 +82,9 @@
#ifndef FF_API_PIX_FMT_DESC
#define FF_API_PIX_FMT_DESC (LIBAVUTIL_VERSION_MAJOR < 52)
#endif
#ifndef FF_API_AV_REVERSE
#define FF_API_AV_REVERSE (LIBAVUTIL_VERSION_MAJOR < 52)
#endif
/**
* @}