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ffmpeg.wasm-core
Commit d2264740 authored by Vittorio Giovara's avatar Vittorio Giovara
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VP3: K&R formatting cosmetics

parent 66d04c06
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Showing with 3792 additions and 3758 deletions
libavcodec/vp3.c
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libavcodec/vp3_parser.c
View file @ d2264740
...@@ -21,22 +21,24 @@ ...@@ -21,22 +21,24 @@
#include "parser.h" #include "parser.h"
static int parse(AVCodecParserContext *s, static int parse(AVCodecParserContext *s,
AVCodecContext *avctx, AVCodecContext *avctx,
const uint8_t **poutbuf, int *poutbuf_size, const uint8_t **poutbuf, int *poutbuf_size,
const uint8_t *buf, int buf_size) const uint8_t *buf, int buf_size)
{ {
if(avctx->codec_id == AV_CODEC_ID_THEORA) if (avctx->codec_id == AV_CODEC_ID_THEORA)
s->pict_type= (buf[0]&0x40) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I; s->pict_type = (buf[0] & 0x40) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
else else
s->pict_type= (buf[0]&0x80) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I; s->pict_type = (buf[0] & 0x80) ? AV_PICTURE_TYPE_P : AV_PICTURE_TYPE_I;
*poutbuf = buf; *poutbuf = buf;
*poutbuf_size = buf_size; *poutbuf_size = buf_size;
return buf_size; return buf_size;
} }
AVCodecParser ff_vp3_parser = { AVCodecParser ff_vp3_parser = {
.codec_ids = { AV_CODEC_ID_THEORA, AV_CODEC_ID_VP3, AV_CODEC_ID_VP6, .codec_ids = {
AV_CODEC_ID_VP6F, AV_CODEC_ID_VP6A }, AV_CODEC_ID_THEORA, AV_CODEC_ID_VP3,
.parser_parse = parse, AV_CODEC_ID_VP6, AV_CODEC_ID_VP6F, AV_CODEC_ID_VP6A
},
.parser_parse = parse,
}; };
libavcodec/vp3data.h
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libavcodec/vp3dsp.c
View file @ d2264740
...@@ -27,6 +27,7 @@ ...@@ -27,6 +27,7 @@
#include "libavutil/attributes.h" #include "libavutil/attributes.h"
#include "libavutil/common.h" #include "libavutil/common.h"
#include "libavutil/intreadwrite.h" #include "libavutil/intreadwrite.h"
#include "avcodec.h" #include "avcodec.h"
#include "dsputil.h" #include "dsputil.h"
#include "rnd_avg.h" #include "rnd_avg.h"
...@@ -41,9 +42,10 @@ ...@@ -41,9 +42,10 @@
#define xC6S2 25080 #define xC6S2 25080
#define xC7S1 12785 #define xC7S1 12785
#define M(a,b) (((a) * (b))>>16) #define M(a, b) (((a) * (b)) >> 16)
static av_always_inline void idct(uint8_t *dst, int stride, int16_t *input, int type) static av_always_inline void idct(uint8_t *dst, int stride,
int16_t *input, int type)
{ {
int16_t *ip = input; int16_t *ip = input;
...@@ -55,8 +57,8 @@ static av_always_inline void idct(uint8_t *dst, int stride, int16_t *input, int ...@@ -55,8 +57,8 @@ static av_always_inline void idct(uint8_t *dst, int stride, int16_t *input, int
/* Inverse DCT on the rows now */ /* Inverse DCT on the rows now */
for (i = 0; i < 8; i++) { for (i = 0; i < 8; i++) {
/* Check for non-zero values */ /* Check for non-zero values */
if ( ip[0 * 8] | ip[1 * 8] | ip[2 * 8] | ip[3 * 8] | if (ip[0 * 8] | ip[1 * 8] | ip[2 * 8] | ip[3 * 8] |
ip[4 * 8] | ip[5 * 8] | ip[6 * 8] | ip[7 * 8] ) { ip[4 * 8] | ip[5 * 8] | ip[6 * 8] | ip[7 * 8]) {
A = M(xC1S7, ip[1 * 8]) + M(xC7S1, ip[7 * 8]); A = M(xC1S7, ip[1 * 8]) + M(xC7S1, ip[7 * 8]);
B = M(xC7S1, ip[1 * 8]) - M(xC1S7, ip[7 * 8]); B = M(xC7S1, ip[1 * 8]) - M(xC1S7, ip[7 * 8]);
C = M(xC3S5, ip[3 * 8]) + M(xC5S3, ip[5 * 8]); C = M(xC3S5, ip[3 * 8]) + M(xC5S3, ip[5 * 8]);
...@@ -84,14 +86,14 @@ static av_always_inline void idct(uint8_t *dst, int stride, int16_t *input, int ...@@ -84,14 +86,14 @@ static av_always_inline void idct(uint8_t *dst, int stride, int16_t *input, int
Hd = Bd + H; Hd = Bd + H;
/* Final sequence of operations over-write original inputs. */ /* Final sequence of operations over-write original inputs. */
ip[0 * 8] = Gd + Cd ; ip[0 * 8] = Gd + Cd;
ip[7 * 8] = Gd - Cd ; ip[7 * 8] = Gd - Cd;
ip[1 * 8] = Add + Hd; ip[1 * 8] = Add + Hd;
ip[2 * 8] = Add - Hd; ip[2 * 8] = Add - Hd;
ip[3 * 8] = Ed + Dd ; ip[3 * 8] = Ed + Dd;
ip[4 * 8] = Ed - Dd ; ip[4 * 8] = Ed - Dd;
ip[5 * 8] = Fd + Bdd; ip[5 * 8] = Fd + Bdd;
ip[6 * 8] = Fd - Bdd; ip[6 * 8] = Fd - Bdd;
...@@ -102,11 +104,10 @@ static av_always_inline void idct(uint8_t *dst, int stride, int16_t *input, int ...@@ -102,11 +104,10 @@ static av_always_inline void idct(uint8_t *dst, int stride, int16_t *input, int
ip = input; ip = input;
for ( i = 0; i < 8; i++) { for (i = 0; i < 8; i++) {
/* Check for non-zero values (bitwise or faster than ||) */ /* Check for non-zero values (bitwise or faster than ||) */
if ( ip[1] | ip[2] | ip[3] | if (ip[1] | ip[2] | ip[3] |
ip[4] | ip[5] | ip[6] | ip[7] ) { ip[4] | ip[5] | ip[6] | ip[7]) {
A = M(xC1S7, ip[1]) + M(xC7S1, ip[7]); A = M(xC1S7, ip[1]) + M(xC7S1, ip[7]);
B = M(xC7S1, ip[1]) - M(xC1S7, ip[7]); B = M(xC7S1, ip[1]) - M(xC1S7, ip[7]);
C = M(xC3S5, ip[3]) + M(xC5S3, ip[5]); C = M(xC3S5, ip[3]) + M(xC5S3, ip[5]);
...@@ -121,9 +122,9 @@ static av_always_inline void idct(uint8_t *dst, int stride, int16_t *input, int ...@@ -121,9 +122,9 @@ static av_always_inline void idct(uint8_t *dst, int stride, int16_t *input, int
E = M(xC4S4, (ip[0] + ip[4])) + 8; E = M(xC4S4, (ip[0] + ip[4])) + 8;
F = M(xC4S4, (ip[0] - ip[4])) + 8; F = M(xC4S4, (ip[0] - ip[4])) + 8;
if(type==1){ //HACK if (type == 1) { // HACK
E += 16*128; E += 16 * 128;
F += 16*128; F += 16 * 128;
} }
G = M(xC2S6, ip[2]) + M(xC6S2, ip[6]); G = M(xC2S6, ip[2]) + M(xC6S2, ip[6]);
...@@ -140,52 +141,51 @@ static av_always_inline void idct(uint8_t *dst, int stride, int16_t *input, int ...@@ -140,52 +141,51 @@ static av_always_inline void idct(uint8_t *dst, int stride, int16_t *input, int
/* Final sequence of operations over-write original inputs. */ /* Final sequence of operations over-write original inputs. */
if (type == 1) { if (type == 1) {
dst[0*stride] = av_clip_uint8((Gd + Cd ) >> 4); dst[0 * stride] = av_clip_uint8((Gd + Cd) >> 4);
dst[7*stride] = av_clip_uint8((Gd - Cd ) >> 4); dst[7 * stride] = av_clip_uint8((Gd - Cd) >> 4);
dst[1*stride] = av_clip_uint8((Add + Hd ) >> 4); dst[1 * stride] = av_clip_uint8((Add + Hd) >> 4);
dst[2*stride] = av_clip_uint8((Add - Hd ) >> 4); dst[2 * stride] = av_clip_uint8((Add - Hd) >> 4);
dst[3*stride] = av_clip_uint8((Ed + Dd ) >> 4); dst[3 * stride] = av_clip_uint8((Ed + Dd) >> 4);
dst[4*stride] = av_clip_uint8((Ed - Dd ) >> 4); dst[4 * stride] = av_clip_uint8((Ed - Dd) >> 4);
dst[5*stride] = av_clip_uint8((Fd + Bdd ) >> 4); dst[5 * stride] = av_clip_uint8((Fd + Bdd) >> 4);
dst[6*stride] = av_clip_uint8((Fd - Bdd ) >> 4); dst[6 * stride] = av_clip_uint8((Fd - Bdd) >> 4);
}else{ } else {
dst[0*stride] = av_clip_uint8(dst[0*stride] + ((Gd + Cd ) >> 4)); dst[0 * stride] = av_clip_uint8(dst[0 * stride] + ((Gd + Cd) >> 4));
dst[7*stride] = av_clip_uint8(dst[7*stride] + ((Gd - Cd ) >> 4)); dst[7 * stride] = av_clip_uint8(dst[7 * stride] + ((Gd - Cd) >> 4));
dst[1*stride] = av_clip_uint8(dst[1*stride] + ((Add + Hd ) >> 4)); dst[1 * stride] = av_clip_uint8(dst[1 * stride] + ((Add + Hd) >> 4));
dst[2*stride] = av_clip_uint8(dst[2*stride] + ((Add - Hd ) >> 4)); dst[2 * stride] = av_clip_uint8(dst[2 * stride] + ((Add - Hd) >> 4));
dst[3*stride] = av_clip_uint8(dst[3*stride] + ((Ed + Dd ) >> 4)); dst[3 * stride] = av_clip_uint8(dst[3 * stride] + ((Ed + Dd) >> 4));
dst[4*stride] = av_clip_uint8(dst[4*stride] + ((Ed - Dd ) >> 4)); dst[4 * stride] = av_clip_uint8(dst[4 * stride] + ((Ed - Dd) >> 4));
dst[5*stride] = av_clip_uint8(dst[5*stride] + ((Fd + Bdd ) >> 4)); dst[5 * stride] = av_clip_uint8(dst[5 * stride] + ((Fd + Bdd) >> 4));
dst[6*stride] = av_clip_uint8(dst[6*stride] + ((Fd - Bdd ) >> 4)); dst[6 * stride] = av_clip_uint8(dst[6 * stride] + ((Fd - Bdd) >> 4));
} }
} else { } else {
if (type == 1) { if (type == 1) {
dst[0*stride]= dst[0*stride] =
dst[1*stride]= dst[1*stride] =
dst[2*stride]= dst[2*stride] =
dst[3*stride]= dst[3*stride] =
dst[4*stride]= dst[4*stride] =
dst[5*stride]= dst[5*stride] =
dst[6*stride]= dst[6*stride] =
dst[7*stride]= av_clip_uint8(128 + ((xC4S4 * ip[0] + (IdctAdjustBeforeShift<<16))>>20)); dst[7*stride] = av_clip_uint8(128 + ((xC4S4 * ip[0] + (IdctAdjustBeforeShift << 16)) >> 20));
}else{ } else {
if(ip[0]){ if (ip[0]) {
int v= ((xC4S4 * ip[0] + (IdctAdjustBeforeShift<<16))>>20); int v = (xC4S4 * ip[0] + (IdctAdjustBeforeShift << 16)) >> 20;
dst[0*stride] = av_clip_uint8(dst[0*stride] + v); dst[0 * stride] = av_clip_uint8(dst[0 * stride] + v);
dst[1*stride] = av_clip_uint8(dst[1*stride] + v); dst[1 * stride] = av_clip_uint8(dst[1 * stride] + v);
dst[2*stride] = av_clip_uint8(dst[2*stride] + v); dst[2 * stride] = av_clip_uint8(dst[2 * stride] + v);
dst[3*stride] = av_clip_uint8(dst[3*stride] + v); dst[3 * stride] = av_clip_uint8(dst[3 * stride] + v);
dst[4*stride] = av_clip_uint8(dst[4*stride] + v); dst[4 * stride] = av_clip_uint8(dst[4 * stride] + v);
dst[5*stride] = av_clip_uint8(dst[5*stride] + v); dst[5 * stride] = av_clip_uint8(dst[5 * stride] + v);
dst[6*stride] = av_clip_uint8(dst[6*stride] + v); dst[6 * stride] = av_clip_uint8(dst[6 * stride] + v);
dst[7*stride] = av_clip_uint8(dst[7*stride] + v); dst[7 * stride] = av_clip_uint8(dst[7 * stride] + v);
} }
} }
} }
...@@ -195,26 +195,26 @@ static av_always_inline void idct(uint8_t *dst, int stride, int16_t *input, int ...@@ -195,26 +195,26 @@ static av_always_inline void idct(uint8_t *dst, int stride, int16_t *input, int
} }
} }
static void vp3_idct_put_c(uint8_t *dest/*align 8*/, int line_size, static void vp3_idct_put_c(uint8_t *dest /* align 8 */, int line_size,
int16_t *block/*align 16*/) int16_t *block /* align 16 */)
{ {
idct(dest, line_size, block, 1); idct(dest, line_size, block, 1);
memset(block, 0, sizeof(*block) * 64); memset(block, 0, sizeof(*block) * 64);
} }
static void vp3_idct_add_c(uint8_t *dest/*align 8*/, int line_size, static void vp3_idct_add_c(uint8_t *dest /* align 8 */, int line_size,
int16_t *block/*align 16*/) int16_t *block /* align 16 */)
{ {
idct(dest, line_size, block, 2); idct(dest, line_size, block, 2);
memset(block, 0, sizeof(*block) * 64); memset(block, 0, sizeof(*block) * 64);
} }
static void vp3_idct_dc_add_c(uint8_t *dest/*align 8*/, int line_size, static void vp3_idct_dc_add_c(uint8_t *dest /* align 8 */, int line_size,
int16_t *block/*align 16*/) int16_t *block /* align 16 */)
{ {
int i, dc = (block[0] + 15) >> 5; int i, dc = (block[0] + 15) >> 5;
for(i = 0; i < 8; i++){ for (i = 0; i < 8; i++) {
dest[0] = av_clip_uint8(dest[0] + dc); dest[0] = av_clip_uint8(dest[0] + dc);
dest[1] = av_clip_uint8(dest[1] + dc); dest[1] = av_clip_uint8(dest[1] + dc);
dest[2] = av_clip_uint8(dest[2] + dc); dest[2] = av_clip_uint8(dest[2] + dc);
...@@ -223,7 +223,7 @@ static void vp3_idct_dc_add_c(uint8_t *dest/*align 8*/, int line_size, ...@@ -223,7 +223,7 @@ static void vp3_idct_dc_add_c(uint8_t *dest/*align 8*/, int line_size,
dest[5] = av_clip_uint8(dest[5] + dc); dest[5] = av_clip_uint8(dest[5] + dc);
dest[6] = av_clip_uint8(dest[6] + dc); dest[6] = av_clip_uint8(dest[6] + dc);
dest[7] = av_clip_uint8(dest[7] + dc); dest[7] = av_clip_uint8(dest[7] + dc);
dest += line_size; dest += line_size;
} }
block[0] = 0; block[0] = 0;
} }
...@@ -233,15 +233,15 @@ static void vp3_v_loop_filter_c(uint8_t *first_pixel, int stride, ...@@ -233,15 +233,15 @@ static void vp3_v_loop_filter_c(uint8_t *first_pixel, int stride,
{ {
unsigned char *end; unsigned char *end;
int filter_value; int filter_value;
const int nstride= -stride; const int nstride = -stride;
for (end= first_pixel + 8; first_pixel < end; first_pixel++) { for (end = first_pixel + 8; first_pixel < end; first_pixel++) {
filter_value = filter_value = (first_pixel[2 * nstride] - first_pixel[stride]) +
(first_pixel[2 * nstride] - first_pixel[ stride]) (first_pixel[0] - first_pixel[nstride]) * 3;
+3*(first_pixel[0 ] - first_pixel[nstride]);
filter_value = bounding_values[(filter_value + 4) >> 3]; filter_value = bounding_values[(filter_value + 4) >> 3];
first_pixel[nstride] = av_clip_uint8(first_pixel[nstride] + filter_value); first_pixel[nstride] = av_clip_uint8(first_pixel[nstride] + filter_value);
first_pixel[0] = av_clip_uint8(first_pixel[0] - filter_value); first_pixel[0] = av_clip_uint8(first_pixel[0] - filter_value);
} }
} }
...@@ -251,11 +251,11 @@ static void vp3_h_loop_filter_c(uint8_t *first_pixel, int stride, ...@@ -251,11 +251,11 @@ static void vp3_h_loop_filter_c(uint8_t *first_pixel, int stride,
unsigned char *end; unsigned char *end;
int filter_value; int filter_value;
for (end= first_pixel + 8*stride; first_pixel != end; first_pixel += stride) { for (end = first_pixel + 8 * stride; first_pixel != end; first_pixel += stride) {
filter_value = filter_value = (first_pixel[-2] - first_pixel[1]) +
(first_pixel[-2] - first_pixel[ 1]) (first_pixel[ 0] - first_pixel[-1]) * 3;
+3*(first_pixel[ 0] - first_pixel[-1]);
filter_value = bounding_values[(filter_value + 4) >> 3]; filter_value = bounding_values[(filter_value + 4) >> 3];
first_pixel[-1] = av_clip_uint8(first_pixel[-1] + filter_value); first_pixel[-1] = av_clip_uint8(first_pixel[-1] + filter_value);
first_pixel[ 0] = av_clip_uint8(first_pixel[ 0] - filter_value); first_pixel[ 0] = av_clip_uint8(first_pixel[ 0] - filter_value);
} }
......
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