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ffmpeg-mt
Commit 32d7a9b1 authored by michael's avatar michael
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Remove old scaler. 


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@17786 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b
parent bad36f46
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Showing with 2 additions and 3400 deletions
Makefile
View file @ 32d7a9b1
......@@ -20,9 +20,8 @@ ALLMANPAGES = $(addsuffix .1, $(BASENAMES))
FFLIBS-$(CONFIG_AVFILTER) += avfilter
FFLIBS-$(CONFIG_POSTPROC) += postproc
FFLIBS-$(CONFIG_SWSCALE) += swscale
FFLIBS := avdevice avformat avcodec avutil
FFLIBS := avdevice avformat avcodec avutil swscale
DATA_FILES := $(wildcard $(SRC_DIR)/ffpresets/*.ffpreset)
......@@ -236,15 +235,6 @@ LAVF_REG = tests/data/lavf.regression
ROTOZOOM_REG = tests/data/rotozoom.regression
VSYNTH_REG = tests/data/vsynth.regression
ifneq ($(CONFIG_SWSCALE),yes)
servertest codectest $(CODEC_TESTS) libavtest: swscale-error
swscale-error:
@echo
@echo "This regression test requires --enable-swscale."
@echo
@exit 1
endif
ifneq ($(CONFIG_ZLIB),yes)
regtest-flashsv codectest: zlib-error
endif
......
cmdutils.c
View file @ 32d7a9b1
......@@ -280,9 +280,7 @@ static void print_all_lib_versions(FILE* outstream, int indent)
#if CONFIG_AVFILTER
PRINT_LIB_VERSION(outstream, avfilter, AVFILTER, indent);
#endif
#if CONFIG_SWSCALE
PRINT_LIB_VERSION(outstream, swscale, SWSCALE, indent);
#endif
#if CONFIG_POSTPROC
PRINT_LIB_VERSION(outstream, postproc, POSTPROC, indent);
#endif
......
configure
View file @ 32d7a9b1
......@@ -81,7 +81,6 @@ show_help(){
echo " --disable-ffplay disable ffplay build"
echo " --disable-ffserver disable ffserver build"
echo " --enable-postproc enable GPLed postprocessing support [no]"
echo " --enable-swscale enable GPLed software scaler support [no]"
echo " --enable-avfilter video filter support [no]"
echo " --enable-avfilter-lavf video filters dependent on avformat [no]"
echo " --enable-beosthreads use BeOS threads [no]"
......@@ -796,7 +795,6 @@ CONFIG_LIST="
shared
small
static
swscale
vdpau
x11grab
zlib
......@@ -912,7 +910,6 @@ HAVE_LIST="
# options emitted with CONFIG_ prefix but not available on command line
CONFIG_EXTRA="
oldscaler
"
CMDLINE_SELECT="
......@@ -980,9 +977,6 @@ sse_deps="mmx"
ssse3_deps="sse"
vis_deps="sparc"
# common features
oldscaler_deps="!swscale"
# decoders / encoders
aac_decoder_select="fft mdct"
ac3_decoder_deps="gpl"
......@@ -1170,7 +1164,6 @@ enable ffserver
enable ipv6
enable mpegaudio_hp
enable network
enable oldscaler
enable optimizations
enable protocols
enable static
......@@ -1691,7 +1684,6 @@ if ! enabled gpl; then
die_gpl_disabled "libxvidcore" libxvid
die_gpl_disabled "FAAD2" libfaad2
die_gpl_disabled "The X11 grabber" x11grab
die_gpl_disabled "The software scaler" swscale
fi
if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
......@@ -2265,7 +2257,6 @@ echo "optimizations ${optimizations-no}"
echo "static ${static-no}"
echo "shared ${shared-no}"
echo "postprocessing support ${postproc-no}"
echo "software scaler enabled ${swscale-no}"
echo "new filter support ${avfilter-no}"
echo "filters using lavformat ${avfilter_lavf-no}"
echo "network support ${network-no}"
......@@ -2549,9 +2540,4 @@ enabled avfilter &&
pkgconfig_generate libavfilter "FFmpeg video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
enabled postproc &&
pkgconfig_generate libpostproc "FFmpeg post processing library" "$LIBPOSTPROC_VERSION"
if enabled swscale; then
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavutil = $LIBAVUTIL_VERSION"
else
pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "" "libavcodec = $LIBAVCODEC_VERSION"
apply libswscale/libswscale.pc sed s/^Libs:.*$/Libs:/
fi
libavcodec/Makefile
View file @ 32d7a9b1
......@@ -29,7 +29,6 @@ OBJS-$(CONFIG_ENCODERS) += faandct.o jfdctfst.o jfdctint.o
OBJS-$(CONFIG_FFT) += fft.o
OBJS-$(CONFIG_GOLOMB) += golomb.o
OBJS-$(CONFIG_MDCT) += mdct.o
OBJS-$(CONFIG_OLDSCALER) += imgresample.o
OBJS-$(CONFIG_RDFT) += rdft.o
# decoders/encoders
......@@ -494,7 +493,6 @@ OBJS-$(ARCH_BFIN) += bfin/dsputil_bfin.o \
OBJS-$(ARCH_PPC) += ppc/dsputil_ppc.o \
ALTIVEC-OBJS-$(CONFIG_H264_DECODER) += ppc/h264_altivec.o
ALTIVEC-OBJS-$(CONFIG_OLDSCALER) += ppc/imgresample_altivec.o
ALTIVEC-OBJS-$(CONFIG_SNOW_DECODER) += ppc/snow_altivec.o
ALTIVEC-OBJS-$(CONFIG_VC1_DECODER) += ppc/vc1dsp_altivec.o
ALTIVEC-OBJS-$(CONFIG_WMV3_DECODER) += ppc/vc1dsp_altivec.o
......@@ -525,7 +523,6 @@ OBJS-$(HAVE_VIS) += sparc/dsputil_vis.o \
TESTS = $(addsuffix -test$(EXESUF), cabac dct eval fft h264 rangecoder snow)
TESTS-$(CONFIG_OLDSCALER) += imgresample-test$(EXESUF)
TESTS-$(ARCH_X86) += x86/cpuid-test$(EXESUF) motion-test$(EXESUF)
CLEANFILES = apiexample$(EXESUF)
......
libavcodec/imgconvert.c
View file @ 32d7a9b1
......@@ -1033,357 +1033,6 @@ void av_picture_copy(AVPicture *dst, const AVPicture *src,
}
}
/* XXX: totally non optimized */
static void yuyv422_to_yuv420p(AVPicture *dst, const AVPicture *src,
int width, int height)
{
const uint8_t *p, *p1;
uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1;
int w;
p1 = src->data[0];
lum1 = dst->data[0];
cb1 = dst->data[1];
cr1 = dst->data[2];
for(;height >= 1; height -= 2) {
p = p1;
lum = lum1;
cb = cb1;
cr = cr1;
for(w = width; w >= 2; w -= 2) {
lum[0] = p[0];
cb[0] = p[1];
lum[1] = p[2];
cr[0] = p[3];
p += 4;
lum += 2;
cb++;
cr++;
}
if (w) {
lum[0] = p[0];
cb[0] = p[1];
cr[0] = p[3];
cb++;
cr++;
}
p1 += src->linesize[0];
lum1 += dst->linesize[0];
if (height>1) {
p = p1;
lum = lum1;
for(w = width; w >= 2; w -= 2) {
lum[0] = p[0];
lum[1] = p[2];
p += 4;
lum += 2;
}
if (w) {
lum[0] = p[0];
}
p1 += src->linesize[0];
lum1 += dst->linesize[0];
}
cb1 += dst->linesize[1];
cr1 += dst->linesize[2];
}
}
static void uyvy422_to_yuv420p(AVPicture *dst, const AVPicture *src,
int width, int height)
{
const uint8_t *p, *p1;
uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1;
int w;
p1 = src->data[0];
lum1 = dst->data[0];
cb1 = dst->data[1];
cr1 = dst->data[2];
for(;height >= 1; height -= 2) {
p = p1;
lum = lum1;
cb = cb1;
cr = cr1;
for(w = width; w >= 2; w -= 2) {
lum[0] = p[1];
cb[0] = p[0];
lum[1] = p[3];
cr[0] = p[2];
p += 4;
lum += 2;
cb++;
cr++;
}
if (w) {
lum[0] = p[1];
cb[0] = p[0];
cr[0] = p[2];
cb++;
cr++;
}
p1 += src->linesize[0];
lum1 += dst->linesize[0];
if (height>1) {
p = p1;
lum = lum1;
for(w = width; w >= 2; w -= 2) {
lum[0] = p[1];
lum[1] = p[3];
p += 4;
lum += 2;
}
if (w) {
lum[0] = p[1];
}
p1 += src->linesize[0];
lum1 += dst->linesize[0];
}
cb1 += dst->linesize[1];
cr1 += dst->linesize[2];
}
}
static void uyvy422_to_yuv422p(AVPicture *dst, const AVPicture *src,
int width, int height)
{
const uint8_t *p, *p1;
uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1;
int w;
p1 = src->data[0];
lum1 = dst->data[0];
cb1 = dst->data[1];
cr1 = dst->data[2];
for(;height > 0; height--) {
p = p1;
lum = lum1;
cb = cb1;
cr = cr1;
for(w = width; w >= 2; w -= 2) {
lum[0] = p[1];
cb[0] = p[0];
lum[1] = p[3];
cr[0] = p[2];
p += 4;
lum += 2;
cb++;
cr++;
}
p1 += src->linesize[0];
lum1 += dst->linesize[0];
cb1 += dst->linesize[1];
cr1 += dst->linesize[2];
}
}
static void yuyv422_to_yuv422p(AVPicture *dst, const AVPicture *src,
int width, int height)
{
const uint8_t *p, *p1;
uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1;
int w;
p1 = src->data[0];
lum1 = dst->data[0];
cb1 = dst->data[1];
cr1 = dst->data[2];
for(;height > 0; height--) {
p = p1;
lum = lum1;
cb = cb1;
cr = cr1;
for(w = width; w >= 2; w -= 2) {
lum[0] = p[0];
cb[0] = p[1];
lum[1] = p[2];
cr[0] = p[3];
p += 4;
lum += 2;
cb++;
cr++;
}
p1 += src->linesize[0];
lum1 += dst->linesize[0];
cb1 += dst->linesize[1];
cr1 += dst->linesize[2];
}
}
static void yuv422p_to_yuyv422(AVPicture *dst, const AVPicture *src,
int width, int height)
{
uint8_t *p, *p1;
const uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1;
int w;
p1 = dst->data[0];
lum1 = src->data[0];
cb1 = src->data[1];
cr1 = src->data[2];
for(;height > 0; height--) {
p = p1;
lum = lum1;
cb = cb1;
cr = cr1;
for(w = width; w >= 2; w -= 2) {
p[0] = lum[0];
p[1] = cb[0];
p[2] = lum[1];
p[3] = cr[0];
p += 4;
lum += 2;
cb++;
cr++;
}
p1 += dst->linesize[0];
lum1 += src->linesize[0];
cb1 += src->linesize[1];
cr1 += src->linesize[2];
}
}
static void yuv422p_to_uyvy422(AVPicture *dst, const AVPicture *src,
int width, int height)
{
uint8_t *p, *p1;
const uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1;
int w;
p1 = dst->data[0];
lum1 = src->data[0];
cb1 = src->data[1];
cr1 = src->data[2];
for(;height > 0; height--) {
p = p1;
lum = lum1;
cb = cb1;
cr = cr1;
for(w = width; w >= 2; w -= 2) {
p[1] = lum[0];
p[0] = cb[0];
p[3] = lum[1];
p[2] = cr[0];
p += 4;
lum += 2;
cb++;
cr++;
}
p1 += dst->linesize[0];
lum1 += src->linesize[0];
cb1 += src->linesize[1];
cr1 += src->linesize[2];
}
}
static void uyyvyy411_to_yuv411p(AVPicture *dst, const AVPicture *src,
int width, int height)
{
const uint8_t *p, *p1;
uint8_t *lum, *cr, *cb, *lum1, *cr1, *cb1;
int w;
p1 = src->data[0];
lum1 = dst->data[0];
cb1 = dst->data[1];
cr1 = dst->data[2];
for(;height > 0; height--) {
p = p1;
lum = lum1;
cb = cb1;
cr = cr1;
for(w = width; w >= 4; w -= 4) {
cb[0] = p[0];
lum[0] = p[1];
lum[1] = p[2];
cr[0] = p[3];
lum[2] = p[4];
lum[3] = p[5];
p += 6;
lum += 4;
cb++;
cr++;
}
p1 += src->linesize[0];
lum1 += dst->linesize[0];
cb1 += dst->linesize[1];
cr1 += dst->linesize[2];
}
}
static void yuv420p_to_yuyv422(AVPicture *dst, const AVPicture *src,
int width, int height)
{
int w, h;
uint8_t *line1, *line2, *linesrc = dst->data[0];
uint8_t *lum1, *lum2, *lumsrc = src->data[0];
uint8_t *cb1, *cb2 = src->data[1];
uint8_t *cr1, *cr2 = src->data[2];
for(h = height / 2; h--;) {
line1 = linesrc;
line2 = linesrc + dst->linesize[0];
lum1 = lumsrc;
lum2 = lumsrc + src->linesize[0];
cb1 = cb2;
cr1 = cr2;
for(w = width / 2; w--;) {
*line1++ = *lum1++; *line2++ = *lum2++;
*line1++ = *line2++ = *cb1++;
*line1++ = *lum1++; *line2++ = *lum2++;
*line1++ = *line2++ = *cr1++;
}
linesrc += dst->linesize[0] * 2;
lumsrc += src->linesize[0] * 2;
cb2 += src->linesize[1];
cr2 += src->linesize[2];
}
}
static void yuv420p_to_uyvy422(AVPicture *dst, const AVPicture *src,
int width, int height)
{
int w, h;
uint8_t *line1, *line2, *linesrc = dst->data[0];
uint8_t *lum1, *lum2, *lumsrc = src->data[0];
uint8_t *cb1, *cb2 = src->data[1];
uint8_t *cr1, *cr2 = src->data[2];
for(h = height / 2; h--;) {
line1 = linesrc;
line2 = linesrc + dst->linesize[0];
lum1 = lumsrc;
lum2 = lumsrc + src->linesize[0];
cb1 = cb2;
cr1 = cr2;
for(w = width / 2; w--;) {
*line1++ = *line2++ = *cb1++;
*line1++ = *lum1++; *line2++ = *lum2++;
*line1++ = *line2++ = *cr1++;
*line1++ = *lum1++; *line2++ = *lum2++;
}
linesrc += dst->linesize[0] * 2;
lumsrc += src->linesize[0] * 2;
cb2 += src->linesize[1];
cr2 += src->linesize[2];
}
}
/* 2x2 -> 1x1 */
void ff_shrink22(uint8_t *dst, int dst_wrap,
const uint8_t *src, int src_wrap,
......@@ -1456,636 +1105,20 @@ void ff_shrink88(uint8_t *dst, int dst_wrap,
int w, i;
for(;height > 0; height--) {
for(w = width;w > 0; w--) {
int tmp=0;
for(i=0; i<8; i++){
tmp += src[0] + src[1] + src[2] + src[3] + src[4] + src[5] + src[6] + src[7];
src += src_wrap;
}
*(dst++) = (tmp + 32)>>6;
src += 8 - 8*src_wrap;
}
src += 8*src_wrap - 8*width;
dst += dst_wrap - width;
}
}
/* XXX: add jpeg quantize code */
#define TRANSP_INDEX (6*6*6)
/* this is maybe slow, but allows for extensions */
static inline unsigned char gif_clut_index(uint8_t r, uint8_t g, uint8_t b)
{
return (((r) / 47) % 6) * 6 * 6 + (((g) / 47) % 6) * 6 + (((b) / 47) % 6);
}
static void build_rgb_palette(uint8_t *palette, int has_alpha)
{
uint32_t *pal;
static const uint8_t pal_value[6] = { 0x00, 0x33, 0x66, 0x99, 0xcc, 0xff };
int i, r, g, b;
pal = (uint32_t *)palette;
i = 0;
for(r = 0; r < 6; r++) {
for(g = 0; g < 6; g++) {
for(b = 0; b < 6; b++) {
pal[i++] = (0xff << 24) | (pal_value[r] << 16) |
(pal_value[g] << 8) | pal_value[b];
}
}
}
if (has_alpha)
pal[i++] = 0;
while (i < 256)
pal[i++] = 0xff000000;
}
/* copy bit n to bits 0 ... n - 1 */
static inline unsigned int bitcopy_n(unsigned int a, int n)
{
int mask;
mask = (1 << n) - 1;
return (a & (0xff & ~mask)) | ((-((a >> n) & 1)) & mask);
}
/* rgb555 handling */
#define RGB_NAME rgb555
#define RGB_IN(r, g, b, s)\
{\
unsigned int v = ((const uint16_t *)(s))[0];\
r = bitcopy_n(v >> (10 - 3), 3);\
g = bitcopy_n(v >> (5 - 3), 3);\
b = bitcopy_n(v << 3, 3);\
}
#define RGB_OUT(d, r, g, b)\
{\
((uint16_t *)(d))[0] = ((r >> 3) << 10) | ((g >> 3) << 5) | (b >> 3);\
}
#define BPP 2
#include "imgconvert_template.c"
/* rgb565 handling */
#define RGB_NAME rgb565
#define RGB_IN(r, g, b, s)\
{\
unsigned int v = ((const uint16_t *)(s))[0];\
r = bitcopy_n(v >> (11 - 3), 3);\
g = bitcopy_n(v >> (5 - 2), 2);\
b = bitcopy_n(v << 3, 3);\
}
#define RGB_OUT(d, r, g, b)\
{\
((uint16_t *)(d))[0] = ((r >> 3) << 11) | ((g >> 2) << 5) | (b >> 3);\
}
#define BPP 2
#include "imgconvert_template.c"
/* bgr24 handling */
#define RGB_NAME bgr24
#define RGB_IN(r, g, b, s)\
{\
b = (s)[0];\
g = (s)[1];\
r = (s)[2];\
}
#define RGB_OUT(d, r, g, b)\
{\
(d)[0] = b;\
(d)[1] = g;\
(d)[2] = r;\
}
#define BPP 3
#include "imgconvert_template.c"
#undef RGB_IN
#undef RGB_OUT
#undef BPP
/* rgb24 handling */
#define RGB_NAME rgb24
#define FMT_RGB24
#define RGB_IN(r, g, b, s)\
{\
r = (s)[0];\
g = (s)[1];\
b = (s)[2];\
}
#define RGB_OUT(d, r, g, b)\
{\
(d)[0] = r;\
(d)[1] = g;\
(d)[2] = b;\
}
#define BPP 3
#include "imgconvert_template.c"
/* rgb32 handling */
#define RGB_NAME rgb32
#define FMT_RGB32
#define RGB_IN(r, g, b, s)\
{\
unsigned int v = ((const uint32_t *)(s))[0];\
r = (v >> 16) & 0xff;\
g = (v >> 8) & 0xff;\
b = v & 0xff;\
}
#define RGBA_IN(r, g, b, a, s)\
{\
unsigned int v = ((const uint32_t *)(s))[0];\
a = (v >> 24) & 0xff;\
r = (v >> 16) & 0xff;\
g = (v >> 8) & 0xff;\
b = v & 0xff;\
}
#define RGBA_OUT(d, r, g, b, a)\
{\
((uint32_t *)(d))[0] = (a << 24) | (r << 16) | (g << 8) | b;\
}
#define BPP 4
#include "imgconvert_template.c"
static void mono_to_gray(AVPicture *dst, const AVPicture *src,
int width, int height, int xor_mask)
{
const unsigned char *p;
unsigned char *q;
int v, dst_wrap, src_wrap;
int y, w;
p = src->data[0];
src_wrap = src->linesize[0] - ((width + 7) >> 3);
q = dst->data[0];
dst_wrap = dst->linesize[0] - width;
for(y=0;y<height;y++) {
w = width;
while (w >= 8) {
v = *p++ ^ xor_mask;
q[0] = -(v >> 7);
q[1] = -((v >> 6) & 1);
q[2] = -((v >> 5) & 1);
q[3] = -((v >> 4) & 1);
q[4] = -((v >> 3) & 1);
q[5] = -((v >> 2) & 1);
q[6] = -((v >> 1) & 1);
q[7] = -((v >> 0) & 1);
w -= 8;
q += 8;
}
if (w > 0) {
v = *p++ ^ xor_mask;
do {
q[0] = -((v >> 7) & 1);
q++;
v <<= 1;
} while (--w);
}
p += src_wrap;
q += dst_wrap;
}
}
static void monowhite_to_gray(AVPicture *dst, const AVPicture *src,
int width, int height)
{
mono_to_gray(dst, src, width, height, 0xff);
}
static void monoblack_to_gray(AVPicture *dst, const AVPicture *src,
int width, int height)
{
mono_to_gray(dst, src, width, height, 0x00);
}
static void gray_to_mono(AVPicture *dst, const AVPicture *src,
int width, int height, int xor_mask)
{
int n;
const uint8_t *s;
uint8_t *d;
int j, b, v, n1, src_wrap, dst_wrap, y;
s = src->data[0];
src_wrap = src->linesize[0] - width;
d = dst->data[0];
dst_wrap = dst->linesize[0] - ((width + 7) >> 3);
for(y=0;y<height;y++) {
n = width;
while (n >= 8) {
v = 0;
for(j=0;j<8;j++) {
b = s[0];
s++;
v = (v << 1) | (b >> 7);
}
d[0] = v ^ xor_mask;
d++;
n -= 8;
}
if (n > 0) {
n1 = n;
v = 0;
while (n > 0) {
b = s[0];
s++;
v = (v << 1) | (b >> 7);
n--;
}
d[0] = (v << (8 - (n1 & 7))) ^ xor_mask;
d++;
}
s += src_wrap;
d += dst_wrap;
}
}
static void gray_to_monowhite(AVPicture *dst, const AVPicture *src,
int width, int height)
{
gray_to_mono(dst, src, width, height, 0xff);
}
static void gray_to_monoblack(AVPicture *dst, const AVPicture *src,
int width, int height)
{
gray_to_mono(dst, src, width, height, 0x00);
}
static void gray_to_gray16(AVPicture *dst, const AVPicture *src,
int width, int height)
{
int x, y, src_wrap, dst_wrap;
uint8_t *s, *d;
s = src->data[0];
src_wrap = src->linesize[0] - width;
d = dst->data[0];
dst_wrap = dst->linesize[0] - width * 2;
for(y=0; y<height; y++){
for(x=0; x<width; x++){
*d++ = *s;
*d++ = *s++;
}
s += src_wrap;
d += dst_wrap;
}
}
static void gray16_to_gray(AVPicture *dst, const AVPicture *src,
int width, int height)
{
int x, y, src_wrap, dst_wrap;
uint8_t *s, *d;
s = src->data[0];
src_wrap = src->linesize[0] - width * 2;
d = dst->data[0];
dst_wrap = dst->linesize[0] - width;
for(y=0; y<height; y++){
for(x=0; x<width; x++){
*d++ = *s;
s += 2;
}
s += src_wrap;
d += dst_wrap;
}
}
static void gray16be_to_gray(AVPicture *dst, const AVPicture *src,
int width, int height)
{
gray16_to_gray(dst, src, width, height);
}
static void gray16le_to_gray(AVPicture *dst, const AVPicture *src,
int width, int height)
{
AVPicture tmpsrc = *src;
tmpsrc.data[0]++;
gray16_to_gray(dst, &tmpsrc, width, height);
}
static void gray16_to_gray16(AVPicture *dst, const AVPicture *src,
int width, int height)
{
int x, y, src_wrap, dst_wrap;
uint16_t *s, *d;
s = (uint16_t*)src->data[0];
src_wrap = (src->linesize[0] - width * 2)/2;
d = (uint16_t*)dst->data[0];
dst_wrap = (dst->linesize[0] - width * 2)/2;
for(y=0; y<height; y++){
for(x=0; x<width; x++){
*d++ = bswap_16(*s++);
}
s += src_wrap;
d += dst_wrap;
}
}
typedef struct ConvertEntry {
void (*convert)(AVPicture *dst,
const AVPicture *src, int width, int height);
} ConvertEntry;
/* Add each new conversion function in this table. In order to be able
to convert from any format to any format, the following constraints
must be satisfied:
- all FF_COLOR_RGB formats must convert to and from PIX_FMT_RGB24
- all FF_COLOR_GRAY formats must convert to and from PIX_FMT_GRAY8
- all FF_COLOR_RGB formats with alpha must convert to and from PIX_FMT_RGB32
- PIX_FMT_YUV444P and PIX_FMT_YUVJ444P must convert to and from
PIX_FMT_RGB24.
- PIX_FMT_422 must convert to and from PIX_FMT_422P.
The other conversion functions are just optimizations for common cases.
*/
static const ConvertEntry convert_table[PIX_FMT_NB][PIX_FMT_NB] = {
[PIX_FMT_YUV420P] = {
[PIX_FMT_YUYV422] = {
.convert = yuv420p_to_yuyv422,
},
[PIX_FMT_RGB555] = {
.convert = yuv420p_to_rgb555
},
[PIX_FMT_RGB565] = {
.convert = yuv420p_to_rgb565
},
[PIX_FMT_BGR24] = {
.convert = yuv420p_to_bgr24
},
[PIX_FMT_RGB24] = {
.convert = yuv420p_to_rgb24
},
[PIX_FMT_RGB32] = {
.convert = yuv420p_to_rgb32
},
[PIX_FMT_UYVY422] = {
.convert = yuv420p_to_uyvy422,
},
},
[PIX_FMT_YUV422P] = {
[PIX_FMT_YUYV422] = {
.convert = yuv422p_to_yuyv422,
},
[PIX_FMT_UYVY422] = {
.convert = yuv422p_to_uyvy422,
},
},
[PIX_FMT_YUV444P] = {
[PIX_FMT_RGB24] = {
.convert = yuv444p_to_rgb24
},
},
[PIX_FMT_YUVJ420P] = {
[PIX_FMT_RGB555] = {
.convert = yuvj420p_to_rgb555
},
[PIX_FMT_RGB565] = {
.convert = yuvj420p_to_rgb565
},
[PIX_FMT_BGR24] = {
.convert = yuvj420p_to_bgr24
},
[PIX_FMT_RGB24] = {
.convert = yuvj420p_to_rgb24
},
[PIX_FMT_RGB32] = {
.convert = yuvj420p_to_rgb32
},
},
[PIX_FMT_YUVJ444P] = {
[PIX_FMT_RGB24] = {
.convert = yuvj444p_to_rgb24
},
},
[PIX_FMT_YUYV422] = {
[PIX_FMT_YUV420P] = {
.convert = yuyv422_to_yuv420p,
},
[PIX_FMT_YUV422P] = {
.convert = yuyv422_to_yuv422p,
},
},
[PIX_FMT_UYVY422] = {
[PIX_FMT_YUV420P] = {
.convert = uyvy422_to_yuv420p,
},
[PIX_FMT_YUV422P] = {
.convert = uyvy422_to_yuv422p,
},
},
[PIX_FMT_RGB24] = {
[PIX_FMT_YUV420P] = {
.convert = rgb24_to_yuv420p
},
[PIX_FMT_RGB565] = {
.convert = rgb24_to_rgb565
},
[PIX_FMT_RGB555] = {
.convert = rgb24_to_rgb555
},
[PIX_FMT_RGB32] = {
.convert = rgb24_to_rgb32
},
[PIX_FMT_BGR24] = {
.convert = rgb24_to_bgr24
},
[PIX_FMT_GRAY8] = {
.convert = rgb24_to_gray
},
[PIX_FMT_PAL8] = {
.convert = rgb24_to_pal8
},
[PIX_FMT_YUV444P] = {
.convert = rgb24_to_yuv444p
},
[PIX_FMT_YUVJ420P] = {
.convert = rgb24_to_yuvj420p
},
[PIX_FMT_YUVJ444P] = {
.convert = rgb24_to_yuvj444p
},
},
[PIX_FMT_RGB32] = {
[PIX_FMT_RGB24] = {
.convert = rgb32_to_rgb24
},
[PIX_FMT_BGR24] = {
.convert = rgb32_to_bgr24
},
[PIX_FMT_RGB565] = {
.convert = rgb32_to_rgb565
},
[PIX_FMT_RGB555] = {
.convert = rgb32_to_rgb555
},
[PIX_FMT_PAL8] = {
.convert = rgb32_to_pal8
},
[PIX_FMT_YUV420P] = {
.convert = rgb32_to_yuv420p
},
[PIX_FMT_GRAY8] = {
.convert = rgb32_to_gray
},
},
[PIX_FMT_BGR24] = {
[PIX_FMT_RGB32] = {
.convert = bgr24_to_rgb32
},
[PIX_FMT_RGB24] = {
.convert = bgr24_to_rgb24
},
[PIX_FMT_YUV420P] = {
.convert = bgr24_to_yuv420p
},
[PIX_FMT_GRAY8] = {
.convert = bgr24_to_gray
},
},
[PIX_FMT_RGB555] = {
[PIX_FMT_RGB24] = {
.convert = rgb555_to_rgb24
},
[PIX_FMT_RGB32] = {
.convert = rgb555_to_rgb32
},
[PIX_FMT_YUV420P] = {
.convert = rgb555_to_yuv420p
},
[PIX_FMT_GRAY8] = {
.convert = rgb555_to_gray
},
},
[PIX_FMT_RGB565] = {
[PIX_FMT_RGB32] = {
.convert = rgb565_to_rgb32
},
[PIX_FMT_RGB24] = {
.convert = rgb565_to_rgb24
},
[PIX_FMT_YUV420P] = {
.convert = rgb565_to_yuv420p
},
[PIX_FMT_GRAY8] = {
.convert = rgb565_to_gray
},
},
[PIX_FMT_GRAY16BE] = {
[PIX_FMT_GRAY8] = {
.convert = gray16be_to_gray
},
[PIX_FMT_GRAY16LE] = {
.convert = gray16_to_gray16
},
},
[PIX_FMT_GRAY16LE] = {
[PIX_FMT_GRAY8] = {
.convert = gray16le_to_gray
},
[PIX_FMT_GRAY16BE] = {
.convert = gray16_to_gray16
},
},
[PIX_FMT_GRAY8] = {
[PIX_FMT_RGB555] = {
.convert = gray_to_rgb555
},
[PIX_FMT_RGB565] = {
.convert = gray_to_rgb565
},
[PIX_FMT_RGB24] = {
.convert = gray_to_rgb24
},
[PIX_FMT_BGR24] = {
.convert = gray_to_bgr24
},
[PIX_FMT_RGB32] = {
.convert = gray_to_rgb32
},
[PIX_FMT_MONOWHITE] = {
.convert = gray_to_monowhite
},
[PIX_FMT_MONOBLACK] = {
.convert = gray_to_monoblack
},
[PIX_FMT_GRAY16LE] = {
.convert = gray_to_gray16
},
[PIX_FMT_GRAY16BE] = {
.convert = gray_to_gray16
},
},
[PIX_FMT_MONOWHITE] = {
[PIX_FMT_GRAY8] = {
.convert = monowhite_to_gray
},
},
[PIX_FMT_MONOBLACK] = {
[PIX_FMT_GRAY8] = {
.convert = monoblack_to_gray
},
},
[PIX_FMT_PAL8] = {
[PIX_FMT_RGB555] = {
.convert = pal8_to_rgb555
},
[PIX_FMT_RGB565] = {
.convert = pal8_to_rgb565
},
[PIX_FMT_BGR24] = {
.convert = pal8_to_bgr24
},
[PIX_FMT_RGB24] = {
.convert = pal8_to_rgb24
},
[PIX_FMT_RGB32] = {
.convert = pal8_to_rgb32
},
},
[PIX_FMT_UYYVYY411] = {
[PIX_FMT_YUV411P] = {
.convert = uyyvyy411_to_yuv411p,
},
},
for(w = width;w > 0; w--) {
int tmp=0;
for(i=0; i<8; i++){
tmp += src[0] + src[1] + src[2] + src[3] + src[4] + src[5] + src[6] + src[7];
src += src_wrap;
}
*(dst++) = (tmp + 32)>>6;
src += 8 - 8*src_wrap;
}
src += 8*src_wrap - 8*width;
dst += dst_wrap - width;
}
}
};
int avpicture_alloc(AVPicture *picture,
int pix_fmt, int width, int height)
......@@ -2204,528 +1237,6 @@ int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width,
return 0;
}
#if !CONFIG_SWSCALE
static uint8_t y_ccir_to_jpeg[256];
static uint8_t y_jpeg_to_ccir[256];
static uint8_t c_ccir_to_jpeg[256];
static uint8_t c_jpeg_to_ccir[256];
/* init various conversion tables */
static av_cold void img_convert_init(void)
{
int i;
uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
for(i = 0;i < 256; i++) {
y_ccir_to_jpeg[i] = Y_CCIR_TO_JPEG(i);
y_jpeg_to_ccir[i] = Y_JPEG_TO_CCIR(i);
c_ccir_to_jpeg[i] = C_CCIR_TO_JPEG(i);
c_jpeg_to_ccir[i] = C_JPEG_TO_CCIR(i);
}
}
/* apply to each pixel the given table */
static void img_apply_table(uint8_t *dst, int dst_wrap,
const uint8_t *src, int src_wrap,
int width, int height, const uint8_t *table1)
{
int n;
const uint8_t *s;
uint8_t *d;
const uint8_t *table;
table = table1;
for(;height > 0; height--) {
s = src;
d = dst;
n = width;
while (n >= 4) {
d[0] = table[s[0]];
d[1] = table[s[1]];
d[2] = table[s[2]];
d[3] = table[s[3]];
d += 4;
s += 4;
n -= 4;
}
while (n > 0) {
d[0] = table[s[0]];
d++;
s++;
n--;
}
dst += dst_wrap;
src += src_wrap;
}
}
/* XXX: use generic filter ? */
/* XXX: in most cases, the sampling position is incorrect */
/* 4x1 -> 1x1 */
static void shrink41(uint8_t *dst, int dst_wrap,
const uint8_t *src, int src_wrap,
int width, int height)
{
int w;
const uint8_t *s;
uint8_t *d;
for(;height > 0; height--) {
s = src;
d = dst;
for(w = width;w > 0; w--) {
d[0] = (s[0] + s[1] + s[2] + s[3] + 2) >> 2;
s += 4;
d++;
}
src += src_wrap;
dst += dst_wrap;
}
}
/* 2x1 -> 1x1 */
static void shrink21(uint8_t *dst, int dst_wrap,
const uint8_t *src, int src_wrap,
int width, int height)
{
int w;
const uint8_t *s;
uint8_t *d;
for(;height > 0; height--) {
s = src;
d = dst;
for(w = width;w > 0; w--) {
d[0] = (s[0] + s[1]) >> 1;
s += 2;
d++;
}
src += src_wrap;
dst += dst_wrap;
}
}
/* 1x2 -> 1x1 */
static void shrink12(uint8_t *dst, int dst_wrap,
const uint8_t *src, int src_wrap,
int width, int height)
{
int w;
uint8_t *d;
const uint8_t *s1, *s2;
for(;height > 0; height--) {
s1 = src;
s2 = s1 + src_wrap;
d = dst;
for(w = width;w >= 4; w-=4) {
d[0] = (s1[0] + s2[0]) >> 1;
d[1] = (s1[1] + s2[1]) >> 1;
d[2] = (s1[2] + s2[2]) >> 1;
d[3] = (s1[3] + s2[3]) >> 1;
s1 += 4;
s2 += 4;
d += 4;
}
for(;w > 0; w--) {
d[0] = (s1[0] + s2[0]) >> 1;
s1++;
s2++;
d++;
}
src += 2 * src_wrap;
dst += dst_wrap;
}
}
static void grow21_line(uint8_t *dst, const uint8_t *src,
int width)
{
int w;
const uint8_t *s1;
uint8_t *d;
s1 = src;
d = dst;
for(w = width;w >= 4; w-=4) {
d[1] = d[0] = s1[0];
d[3] = d[2] = s1[1];
s1 += 2;
d += 4;
}
for(;w >= 2; w -= 2) {
d[1] = d[0] = s1[0];
s1 ++;
d += 2;
}
/* only needed if width is not a multiple of two */
/* XXX: veryfy that */
if (w) {
d[0] = s1[0];
}
}
static void grow41_line(uint8_t *dst, const uint8_t *src,
int width)
{
int w, v;
const uint8_t *s1;
uint8_t *d;
s1 = src;
d = dst;
for(w = width;w >= 4; w-=4) {
v = s1[0];
d[0] = v;
d[1] = v;
d[2] = v;
d[3] = v;
s1 ++;
d += 4;
}
}
/* 1x1 -> 2x1 */
static void grow21(uint8_t *dst, int dst_wrap,
const uint8_t *src, int src_wrap,
int width, int height)
{
for(;height > 0; height--) {
grow21_line(dst, src, width);
src += src_wrap;
dst += dst_wrap;
}
}
/* 1x1 -> 1x2 */
static void grow12(uint8_t *dst, int dst_wrap,
const uint8_t *src, int src_wrap,
int width, int height)
{
for(;height > 0; height-=2) {
memcpy(dst, src, width);
dst += dst_wrap;
memcpy(dst, src, width);
dst += dst_wrap;
src += src_wrap;
}
}
/* 1x1 -> 2x2 */
static void grow22(uint8_t *dst, int dst_wrap,
const uint8_t *src, int src_wrap,
int width, int height)
{
for(;height > 0; height--) {
grow21_line(dst, src, width);
if (height%2)
src += src_wrap;
dst += dst_wrap;
}
}
/* 1x1 -> 4x1 */
static void grow41(uint8_t *dst, int dst_wrap,
const uint8_t *src, int src_wrap,
int width, int height)
{
for(;height > 0; height--) {
grow41_line(dst, src, width);
src += src_wrap;
dst += dst_wrap;
}
}
/* 1x1 -> 4x4 */
static void grow44(uint8_t *dst, int dst_wrap,
const uint8_t *src, int src_wrap,
int width, int height)
{
for(;height > 0; height--) {
grow41_line(dst, src, width);
if ((height & 3) == 1)
src += src_wrap;
dst += dst_wrap;
}
}
/* 1x2 -> 2x1 */
static void conv411(uint8_t *dst, int dst_wrap,
const uint8_t *src, int src_wrap,
int width, int height)
{
int w, c;
const uint8_t *s1, *s2;
uint8_t *d;
width>>=1;
for(;height > 0; height--) {
s1 = src;
s2 = src + src_wrap;
d = dst;
for(w = width;w > 0; w--) {
c = (s1[0] + s2[0]) >> 1;
d[0] = c;
d[1] = c;
s1++;
s2++;
d += 2;
}
src += src_wrap * 2;
dst += dst_wrap;
}
}
/* XXX: always use linesize. Return -1 if not supported */
int img_convert(AVPicture *dst, int dst_pix_fmt,
const AVPicture *src, int src_pix_fmt,
int src_width, int src_height)
{
static int initialized;
int i, ret, dst_width, dst_height, int_pix_fmt;
const PixFmtInfo *src_pix, *dst_pix;
const ConvertEntry *ce;
AVPicture tmp1, *tmp = &tmp1;
if (src_pix_fmt < 0 || src_pix_fmt >= PIX_FMT_NB ||
dst_pix_fmt < 0 || dst_pix_fmt >= PIX_FMT_NB)
return -1;
if (src_width <= 0 || src_height <= 0)
return 0;
if (!initialized) {
initialized = 1;
img_convert_init();
}
dst_width = src_width;
dst_height = src_height;
dst_pix = &pix_fmt_info[dst_pix_fmt];
src_pix = &pix_fmt_info[src_pix_fmt];
if (src_pix_fmt == dst_pix_fmt) {
/* no conversion needed: just copy */
av_picture_copy(dst, src, dst_pix_fmt, dst_width, dst_height);
return 0;
}
ce = &convert_table[src_pix_fmt][dst_pix_fmt];
if (ce->convert) {
/* specific conversion routine */
ce->convert(dst, src, dst_width, dst_height);
return 0;
}
/* gray to YUV */
if (is_yuv_planar(dst_pix) &&
src_pix_fmt == PIX_FMT_GRAY8) {
int w, h, y;
uint8_t *d;
if (dst_pix->color_type == FF_COLOR_YUV_JPEG) {
ff_img_copy_plane(dst->data[0], dst->linesize[0],
src->data[0], src->linesize[0],
dst_width, dst_height);
} else {
img_apply_table(dst->data[0], dst->linesize[0],
src->data[0], src->linesize[0],
dst_width, dst_height,
y_jpeg_to_ccir);
}
/* fill U and V with 128 */
w = dst_width;
h = dst_height;
w >>= dst_pix->x_chroma_shift;
h >>= dst_pix->y_chroma_shift;
for(i = 1; i <= 2; i++) {
d = dst->data[i];
for(y = 0; y< h; y++) {
memset(d, 128, w);
d += dst->linesize[i];
}
}
return 0;
}
/* YUV to gray */
if (is_yuv_planar(src_pix) &&
dst_pix_fmt == PIX_FMT_GRAY8) {
if (src_pix->color_type == FF_COLOR_YUV_JPEG) {
ff_img_copy_plane(dst->data[0], dst->linesize[0],
src->data[0], src->linesize[0],
dst_width, dst_height);
} else {
img_apply_table(dst->data[0], dst->linesize[0],
src->data[0], src->linesize[0],
dst_width, dst_height,
y_ccir_to_jpeg);
}
return 0;
}
/* YUV to YUV planar */
if (is_yuv_planar(dst_pix) && is_yuv_planar(src_pix)) {
int x_shift, y_shift, w, h, xy_shift;
void (*resize_func)(uint8_t *dst, int dst_wrap,
const uint8_t *src, int src_wrap,
int width, int height);
/* compute chroma size of the smallest dimensions */
w = dst_width;
h = dst_height;
if (dst_pix->x_chroma_shift >= src_pix->x_chroma_shift)
w >>= dst_pix->x_chroma_shift;
else
w >>= src_pix->x_chroma_shift;
if (dst_pix->y_chroma_shift >= src_pix->y_chroma_shift)
h >>= dst_pix->y_chroma_shift;
else
h >>= src_pix->y_chroma_shift;
x_shift = (dst_pix->x_chroma_shift - src_pix->x_chroma_shift);
y_shift = (dst_pix->y_chroma_shift - src_pix->y_chroma_shift);
xy_shift = ((x_shift & 0xf) << 4) | (y_shift & 0xf);
/* there must be filters for conversion at least from and to
YUV444 format */
switch(xy_shift) {
case 0x00:
resize_func = ff_img_copy_plane;
break;
case 0x10:
resize_func = shrink21;
break;
case 0x20:
resize_func = shrink41;
break;
case 0x01:
resize_func = shrink12;
break;
case 0x11:
resize_func = ff_shrink22;
break;
case 0x22:
resize_func = ff_shrink44;
break;
case 0xf0:
resize_func = grow21;
break;
case 0x0f:
resize_func = grow12;
break;
case 0xe0:
resize_func = grow41;
break;
case 0xff:
resize_func = grow22;
break;
case 0xee:
resize_func = grow44;
break;
case 0xf1:
resize_func = conv411;
break;
default:
/* currently not handled */
goto no_chroma_filter;
}
ff_img_copy_plane(dst->data[0], dst->linesize[0],
src->data[0], src->linesize[0],
dst_width, dst_height);
for(i = 1;i <= 2; i++)
resize_func(dst->data[i], dst->linesize[i],
src->data[i], src->linesize[i],
dst_width>>dst_pix->x_chroma_shift, dst_height>>dst_pix->y_chroma_shift);
/* if yuv color space conversion is needed, we do it here on
the destination image */
if (dst_pix->color_type != src_pix->color_type) {
const uint8_t *y_table, *c_table;
if (dst_pix->color_type == FF_COLOR_YUV) {
y_table = y_jpeg_to_ccir;
c_table = c_jpeg_to_ccir;
} else {
y_table = y_ccir_to_jpeg;
c_table = c_ccir_to_jpeg;
}
img_apply_table(dst->data[0], dst->linesize[0],
dst->data[0], dst->linesize[0],
dst_width, dst_height,
y_table);
for(i = 1;i <= 2; i++)
img_apply_table(dst->data[i], dst->linesize[i],
dst->data[i], dst->linesize[i],
dst_width>>dst_pix->x_chroma_shift,
dst_height>>dst_pix->y_chroma_shift,
c_table);
}
return 0;
}
no_chroma_filter:
/* try to use an intermediate format */
if (src_pix_fmt == PIX_FMT_YUYV422 ||
dst_pix_fmt == PIX_FMT_YUYV422) {
/* specific case: convert to YUV422P first */
int_pix_fmt = PIX_FMT_YUV422P;
} else if (src_pix_fmt == PIX_FMT_UYVY422 ||
dst_pix_fmt == PIX_FMT_UYVY422) {
/* specific case: convert to YUV422P first */
int_pix_fmt = PIX_FMT_YUV422P;
} else if (src_pix_fmt == PIX_FMT_UYYVYY411 ||
dst_pix_fmt == PIX_FMT_UYYVYY411) {
/* specific case: convert to YUV411P first */
int_pix_fmt = PIX_FMT_YUV411P;
} else if ((src_pix->color_type == FF_COLOR_GRAY &&
src_pix_fmt != PIX_FMT_GRAY8) ||
(dst_pix->color_type == FF_COLOR_GRAY &&
dst_pix_fmt != PIX_FMT_GRAY8)) {
/* gray8 is the normalized format */
int_pix_fmt = PIX_FMT_GRAY8;
} else if ((is_yuv_planar(src_pix) &&
src_pix_fmt != PIX_FMT_YUV444P &&
src_pix_fmt != PIX_FMT_YUVJ444P)) {
/* yuv444 is the normalized format */
if (src_pix->color_type == FF_COLOR_YUV_JPEG)
int_pix_fmt = PIX_FMT_YUVJ444P;
else
int_pix_fmt = PIX_FMT_YUV444P;
} else if ((is_yuv_planar(dst_pix) &&
dst_pix_fmt != PIX_FMT_YUV444P &&
dst_pix_fmt != PIX_FMT_YUVJ444P)) {
/* yuv444 is the normalized format */
if (dst_pix->color_type == FF_COLOR_YUV_JPEG)
int_pix_fmt = PIX_FMT_YUVJ444P;
else
int_pix_fmt = PIX_FMT_YUV444P;
} else {
/* the two formats are rgb or gray8 or yuv[j]444p */
if (src_pix->is_alpha && dst_pix->is_alpha)
int_pix_fmt = PIX_FMT_RGB32;
else
int_pix_fmt = PIX_FMT_RGB24;
}
if (src_pix_fmt == int_pix_fmt)
return -1;
if (avpicture_alloc(tmp, int_pix_fmt, dst_width, dst_height) < 0)
return -1;
ret = -1;
if (img_convert(tmp, int_pix_fmt,
src, src_pix_fmt, src_width, src_height) < 0)
goto fail1;
if (img_convert(dst, dst_pix_fmt,
tmp, int_pix_fmt, dst_width, dst_height) < 0)
goto fail1;
ret = 0;
fail1:
avpicture_free(tmp);
return ret;
}
#endif
/* NOTE: we scan all the pixels to have an exact information */
static int get_alpha_info_pal8(const AVPicture *src, int width, int height)
{
......@@ -2763,9 +1274,6 @@ int img_get_alpha_info(const AVPicture *src,
if (!pf->is_alpha)
return 0;
switch(pix_fmt) {
case PIX_FMT_RGB32:
ret = get_alpha_info_rgb32(src, width, height);
break;
case PIX_FMT_PAL8:
ret = get_alpha_info_pal8(src, width, height);
break;
......
libavcodec/imgconvert_template.c deleted 100644 → 0
View file @ bad36f46
/*
* templates for image conversion routines
* Copyright (c) 2001, 2002, 2003 Fabrice Bellard
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef RGB_OUT
#define RGB_OUT(d, r, g, b) RGBA_OUT(d, r, g, b, 0xff)
#endif
static void glue(yuv420p_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src,
int width, int height)
{
const uint8_t *y1_ptr, *y2_ptr, *cb_ptr, *cr_ptr;
uint8_t *d, *d1, *d2;
int w, y, cb, cr, r_add, g_add, b_add, width2;
uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
unsigned int r, g, b;
d = dst->data[0];
y1_ptr = src->data[0];
cb_ptr = src->data[1];
cr_ptr = src->data[2];
width2 = (width + 1) >> 1;
for(;height >= 2; height -= 2) {
d1 = d;
d2 = d + dst->linesize[0];
y2_ptr = y1_ptr + src->linesize[0];
for(w = width; w >= 2; w -= 2) {
YUV_TO_RGB1_CCIR(cb_ptr[0], cr_ptr[0]);
/* output 4 pixels */
YUV_TO_RGB2_CCIR(r, g, b, y1_ptr[0]);
RGB_OUT(d1, r, g, b);
YUV_TO_RGB2_CCIR(r, g, b, y1_ptr[1]);
RGB_OUT(d1 + BPP, r, g, b);
YUV_TO_RGB2_CCIR(r, g, b, y2_ptr[0]);
RGB_OUT(d2, r, g, b);
YUV_TO_RGB2_CCIR(r, g, b, y2_ptr[1]);
RGB_OUT(d2 + BPP, r, g, b);
d1 += 2 * BPP;
d2 += 2 * BPP;
y1_ptr += 2;
y2_ptr += 2;
cb_ptr++;
cr_ptr++;
}
/* handle odd width */
if (w) {
YUV_TO_RGB1_CCIR(cb_ptr[0], cr_ptr[0]);
YUV_TO_RGB2_CCIR(r, g, b, y1_ptr[0]);
RGB_OUT(d1, r, g, b);
YUV_TO_RGB2_CCIR(r, g, b, y2_ptr[0]);
RGB_OUT(d2, r, g, b);
d1 += BPP;
d2 += BPP;
y1_ptr++;
y2_ptr++;
cb_ptr++;
cr_ptr++;
}
d += 2 * dst->linesize[0];
y1_ptr += 2 * src->linesize[0] - width;
cb_ptr += src->linesize[1] - width2;
cr_ptr += src->linesize[2] - width2;
}
/* handle odd height */
if (height) {
d1 = d;
for(w = width; w >= 2; w -= 2) {
YUV_TO_RGB1_CCIR(cb_ptr[0], cr_ptr[0]);
/* output 2 pixels */
YUV_TO_RGB2_CCIR(r, g, b, y1_ptr[0]);
RGB_OUT(d1, r, g, b);
YUV_TO_RGB2_CCIR(r, g, b, y1_ptr[1]);
RGB_OUT(d1 + BPP, r, g, b);
d1 += 2 * BPP;
y1_ptr += 2;
cb_ptr++;
cr_ptr++;
}
/* handle width */
if (w) {
YUV_TO_RGB1_CCIR(cb_ptr[0], cr_ptr[0]);
/* output 2 pixels */
YUV_TO_RGB2_CCIR(r, g, b, y1_ptr[0]);
RGB_OUT(d1, r, g, b);
d1 += BPP;
y1_ptr++;
cb_ptr++;
cr_ptr++;
}
}
}
static void glue(yuvj420p_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src,
int width, int height)
{
const uint8_t *y1_ptr, *y2_ptr, *cb_ptr, *cr_ptr;
uint8_t *d, *d1, *d2;
int w, y, cb, cr, r_add, g_add, b_add, width2;
uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
unsigned int r, g, b;
d = dst->data[0];
y1_ptr = src->data[0];
cb_ptr = src->data[1];
cr_ptr = src->data[2];
width2 = (width + 1) >> 1;
for(;height >= 2; height -= 2) {
d1 = d;
d2 = d + dst->linesize[0];
y2_ptr = y1_ptr + src->linesize[0];
for(w = width; w >= 2; w -= 2) {
YUV_TO_RGB1(cb_ptr[0], cr_ptr[0]);
/* output 4 pixels */
YUV_TO_RGB2(r, g, b, y1_ptr[0]);
RGB_OUT(d1, r, g, b);
YUV_TO_RGB2(r, g, b, y1_ptr[1]);
RGB_OUT(d1 + BPP, r, g, b);
YUV_TO_RGB2(r, g, b, y2_ptr[0]);
RGB_OUT(d2, r, g, b);
YUV_TO_RGB2(r, g, b, y2_ptr[1]);
RGB_OUT(d2 + BPP, r, g, b);
d1 += 2 * BPP;
d2 += 2 * BPP;
y1_ptr += 2;
y2_ptr += 2;
cb_ptr++;
cr_ptr++;
}
/* handle odd width */
if (w) {
YUV_TO_RGB1(cb_ptr[0], cr_ptr[0]);
YUV_TO_RGB2(r, g, b, y1_ptr[0]);
RGB_OUT(d1, r, g, b);
YUV_TO_RGB2(r, g, b, y2_ptr[0]);
RGB_OUT(d2, r, g, b);
d1 += BPP;
d2 += BPP;
y1_ptr++;
y2_ptr++;
cb_ptr++;
cr_ptr++;
}
d += 2 * dst->linesize[0];
y1_ptr += 2 * src->linesize[0] - width;
cb_ptr += src->linesize[1] - width2;
cr_ptr += src->linesize[2] - width2;
}
/* handle odd height */
if (height) {
d1 = d;
for(w = width; w >= 2; w -= 2) {
YUV_TO_RGB1(cb_ptr[0], cr_ptr[0]);
/* output 2 pixels */
YUV_TO_RGB2(r, g, b, y1_ptr[0]);
RGB_OUT(d1, r, g, b);
YUV_TO_RGB2(r, g, b, y1_ptr[1]);
RGB_OUT(d1 + BPP, r, g, b);
d1 += 2 * BPP;
y1_ptr += 2;
cb_ptr++;
cr_ptr++;
}
/* handle width */
if (w) {
YUV_TO_RGB1(cb_ptr[0], cr_ptr[0]);
/* output 2 pixels */
YUV_TO_RGB2(r, g, b, y1_ptr[0]);
RGB_OUT(d1, r, g, b);
d1 += BPP;
y1_ptr++;
cb_ptr++;
cr_ptr++;
}
}
}
static void glue(RGB_NAME, _to_yuv420p)(AVPicture *dst, const AVPicture *src,
int width, int height)
{
int wrap, wrap3, width2;
int r, g, b, r1, g1, b1, w;
uint8_t *lum, *cb, *cr;
const uint8_t *p;
lum = dst->data[0];
cb = dst->data[1];
cr = dst->data[2];
width2 = (width + 1) >> 1;
wrap = dst->linesize[0];
wrap3 = src->linesize[0];
p = src->data[0];
for(;height>=2;height -= 2) {
for(w = width; w >= 2; w -= 2) {
RGB_IN(r, g, b, p);
r1 = r;
g1 = g;
b1 = b;
lum[0] = RGB_TO_Y_CCIR(r, g, b);
RGB_IN(r, g, b, p + BPP);
r1 += r;
g1 += g;
b1 += b;
lum[1] = RGB_TO_Y_CCIR(r, g, b);
p += wrap3;
lum += wrap;
RGB_IN(r, g, b, p);
r1 += r;
g1 += g;
b1 += b;
lum[0] = RGB_TO_Y_CCIR(r, g, b);
RGB_IN(r, g, b, p + BPP);
r1 += r;
g1 += g;
b1 += b;
lum[1] = RGB_TO_Y_CCIR(r, g, b);
cb[0] = RGB_TO_U_CCIR(r1, g1, b1, 2);
cr[0] = RGB_TO_V_CCIR(r1, g1, b1, 2);
cb++;
cr++;
p += -wrap3 + 2 * BPP;
lum += -wrap + 2;
}
if (w) {
RGB_IN(r, g, b, p);
r1 = r;
g1 = g;
b1 = b;
lum[0] = RGB_TO_Y_CCIR(r, g, b);
p += wrap3;
lum += wrap;
RGB_IN(r, g, b, p);
r1 += r;
g1 += g;
b1 += b;
lum[0] = RGB_TO_Y_CCIR(r, g, b);
cb[0] = RGB_TO_U_CCIR(r1, g1, b1, 1);
cr[0] = RGB_TO_V_CCIR(r1, g1, b1, 1);
cb++;
cr++;
p += -wrap3 + BPP;
lum += -wrap + 1;
}
p += wrap3 + (wrap3 - width * BPP);
lum += wrap + (wrap - width);
cb += dst->linesize[1] - width2;
cr += dst->linesize[2] - width2;
}
/* handle odd height */
if (height) {
for(w = width; w >= 2; w -= 2) {
RGB_IN(r, g, b, p);
r1 = r;
g1 = g;
b1 = b;
lum[0] = RGB_TO_Y_CCIR(r, g, b);
RGB_IN(r, g, b, p + BPP);
r1 += r;
g1 += g;
b1 += b;
lum[1] = RGB_TO_Y_CCIR(r, g, b);
cb[0] = RGB_TO_U_CCIR(r1, g1, b1, 1);
cr[0] = RGB_TO_V_CCIR(r1, g1, b1, 1);
cb++;
cr++;
p += 2 * BPP;
lum += 2;
}
if (w) {
RGB_IN(r, g, b, p);
lum[0] = RGB_TO_Y_CCIR(r, g, b);
cb[0] = RGB_TO_U_CCIR(r, g, b, 0);
cr[0] = RGB_TO_V_CCIR(r, g, b, 0);
}
}
}
static void glue(RGB_NAME, _to_gray)(AVPicture *dst, const AVPicture *src,
int width, int height)
{
const unsigned char *p;
unsigned char *q;
int r, g, b, dst_wrap, src_wrap;
int x, y;
p = src->data[0];
src_wrap = src->linesize[0] - BPP * width;
q = dst->data[0];
dst_wrap = dst->linesize[0] - width;
for(y=0;y<height;y++) {
for(x=0;x<width;x++) {
RGB_IN(r, g, b, p);
q[0] = RGB_TO_Y(r, g, b);
q++;
p += BPP;
}
p += src_wrap;
q += dst_wrap;
}
}
static void glue(gray_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src,
int width, int height)
{
const unsigned char *p;
unsigned char *q;
int r, dst_wrap, src_wrap;
int x, y;
p = src->data[0];
src_wrap = src->linesize[0] - width;
q = dst->data[0];
dst_wrap = dst->linesize[0] - BPP * width;
for(y=0;y<height;y++) {
for(x=0;x<width;x++) {
r = p[0];
RGB_OUT(q, r, r, r);
q += BPP;
p ++;
}
p += src_wrap;
q += dst_wrap;
}
}
static void glue(pal8_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src,
int width, int height)
{
const unsigned char *p;
unsigned char *q;
int r, g, b, dst_wrap, src_wrap;
int x, y;
uint32_t v;
const uint32_t *palette;
p = src->data[0];
src_wrap = src->linesize[0] - width;
palette = (uint32_t *)src->data[1];
q = dst->data[0];
dst_wrap = dst->linesize[0] - BPP * width;
for(y=0;y<height;y++) {
for(x=0;x<width;x++) {
v = palette[p[0]];
r = (v >> 16) & 0xff;
g = (v >> 8) & 0xff;
b = (v) & 0xff;
#ifdef RGBA_OUT
{
int a;
a = (v >> 24) & 0xff;
RGBA_OUT(q, r, g, b, a);
}
#else
RGB_OUT(q, r, g, b);
#endif
q += BPP;
p ++;
}
p += src_wrap;
q += dst_wrap;
}
}
// RGB24 has optimized routines
#if !defined(FMT_RGB32) && !defined(FMT_RGB24)
/* alpha support */
static void glue(rgb32_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src,
int width, int height)
{
const uint8_t *s;
uint8_t *d;
int src_wrap, dst_wrap, j, y;
unsigned int v, r, g, b;
#ifdef RGBA_OUT
unsigned int a;
#endif
s = src->data[0];
src_wrap = src->linesize[0] - width * 4;
d = dst->data[0];
dst_wrap = dst->linesize[0] - width * BPP;
for(y=0;y<height;y++) {
for(j = 0;j < width; j++) {
v = ((const uint32_t *)(s))[0];
r = (v >> 16) & 0xff;
g = (v >> 8) & 0xff;
b = v & 0xff;
#ifdef RGBA_OUT
a = (v >> 24) & 0xff;
RGBA_OUT(d, r, g, b, a);
#else
RGB_OUT(d, r, g, b);
#endif
s += 4;
d += BPP;
}
s += src_wrap;
d += dst_wrap;
}
}
static void glue(RGB_NAME, _to_rgb32)(AVPicture *dst, const AVPicture *src,
int width, int height)
{
const uint8_t *s;
uint8_t *d;
int src_wrap, dst_wrap, j, y;
unsigned int r, g, b;
#ifdef RGBA_IN
unsigned int a;
#endif
s = src->data[0];
src_wrap = src->linesize[0] - width * BPP;
d = dst->data[0];
dst_wrap = dst->linesize[0] - width * 4;
for(y=0;y<height;y++) {
for(j = 0;j < width; j++) {
#ifdef RGBA_IN
RGBA_IN(r, g, b, a, s);
((uint32_t *)(d))[0] = (a << 24) | (r << 16) | (g << 8) | b;
#else
RGB_IN(r, g, b, s);
((uint32_t *)(d))[0] = (0xff << 24) | (r << 16) | (g << 8) | b;
#endif
d += 4;
s += BPP;
}
s += src_wrap;
d += dst_wrap;
}
}
#endif /* !defined(FMT_RGB32) */
#ifndef FMT_RGB24
static void glue(rgb24_to_, RGB_NAME)(AVPicture *dst, const AVPicture *src,
int width, int height)
{
const uint8_t *s;
uint8_t *d;
int src_wrap, dst_wrap, j, y;
unsigned int r, g, b;
s = src->data[0];
src_wrap = src->linesize[0] - width * 3;
d = dst->data[0];
dst_wrap = dst->linesize[0] - width * BPP;
for(y=0;y<height;y++) {
for(j = 0;j < width; j++) {
r = s[0];
g = s[1];
b = s[2];
RGB_OUT(d, r, g, b);
s += 3;
d += BPP;
}
s += src_wrap;
d += dst_wrap;
}
}
static void glue(RGB_NAME, _to_rgb24)(AVPicture *dst, const AVPicture *src,
int width, int height)
{
const uint8_t *s;
uint8_t *d;
int src_wrap, dst_wrap, j, y;
unsigned int r, g , b;
s = src->data[0];
src_wrap = src->linesize[0] - width * BPP;
d = dst->data[0];
dst_wrap = dst->linesize[0] - width * 3;
for(y=0;y<height;y++) {
for(j = 0;j < width; j++) {
RGB_IN(r, g, b, s)
d[0] = r;
d[1] = g;
d[2] = b;
d += 3;
s += BPP;
}
s += src_wrap;
d += dst_wrap;
}
}
#endif /* !FMT_RGB24 */
#ifdef FMT_RGB24
static void yuv444p_to_rgb24(AVPicture *dst, const AVPicture *src,
int width, int height)
{
const uint8_t *y1_ptr, *cb_ptr, *cr_ptr;
uint8_t *d, *d1;
int w, y, cb, cr, r_add, g_add, b_add;
uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
unsigned int r, g, b;
d = dst->data[0];
y1_ptr = src->data[0];
cb_ptr = src->data[1];
cr_ptr = src->data[2];
for(;height > 0; height --) {
d1 = d;
for(w = width; w > 0; w--) {
YUV_TO_RGB1_CCIR(cb_ptr[0], cr_ptr[0]);
YUV_TO_RGB2_CCIR(r, g, b, y1_ptr[0]);
RGB_OUT(d1, r, g, b);
d1 += BPP;
y1_ptr++;
cb_ptr++;
cr_ptr++;
}
d += dst->linesize[0];
y1_ptr += src->linesize[0] - width;
cb_ptr += src->linesize[1] - width;
cr_ptr += src->linesize[2] - width;
}
}
static void yuvj444p_to_rgb24(AVPicture *dst, const AVPicture *src,
int width, int height)
{
const uint8_t *y1_ptr, *cb_ptr, *cr_ptr;
uint8_t *d, *d1;
int w, y, cb, cr, r_add, g_add, b_add;
uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
unsigned int r, g, b;
d = dst->data[0];
y1_ptr = src->data[0];
cb_ptr = src->data[1];
cr_ptr = src->data[2];
for(;height > 0; height --) {
d1 = d;
for(w = width; w > 0; w--) {
YUV_TO_RGB1(cb_ptr[0], cr_ptr[0]);
YUV_TO_RGB2(r, g, b, y1_ptr[0]);
RGB_OUT(d1, r, g, b);
d1 += BPP;
y1_ptr++;
cb_ptr++;
cr_ptr++;
}
d += dst->linesize[0];
y1_ptr += src->linesize[0] - width;
cb_ptr += src->linesize[1] - width;
cr_ptr += src->linesize[2] - width;
}
}
static void rgb24_to_yuv444p(AVPicture *dst, const AVPicture *src,
int width, int height)
{
int src_wrap, x, y;
int r, g, b;
uint8_t *lum, *cb, *cr;
const uint8_t *p;
lum = dst->data[0];
cb = dst->data[1];
cr = dst->data[2];
src_wrap = src->linesize[0] - width * BPP;
p = src->data[0];
for(y=0;y<height;y++) {
for(x=0;x<width;x++) {
RGB_IN(r, g, b, p);
lum[0] = RGB_TO_Y_CCIR(r, g, b);
cb[0] = RGB_TO_U_CCIR(r, g, b, 0);
cr[0] = RGB_TO_V_CCIR(r, g, b, 0);
p += BPP;
cb++;
cr++;
lum++;
}
p += src_wrap;
lum += dst->linesize[0] - width;
cb += dst->linesize[1] - width;
cr += dst->linesize[2] - width;
}
}
static void rgb24_to_yuvj420p(AVPicture *dst, const AVPicture *src,
int width, int height)
{
int wrap, wrap3, width2;
int r, g, b, r1, g1, b1, w;
uint8_t *lum, *cb, *cr;
const uint8_t *p;
lum = dst->data[0];
cb = dst->data[1];
cr = dst->data[2];
width2 = (width + 1) >> 1;
wrap = dst->linesize[0];
wrap3 = src->linesize[0];
p = src->data[0];
for(;height>=2;height -= 2) {
for(w = width; w >= 2; w -= 2) {
RGB_IN(r, g, b, p);
r1 = r;
g1 = g;
b1 = b;
lum[0] = RGB_TO_Y(r, g, b);
RGB_IN(r, g, b, p + BPP);
r1 += r;
g1 += g;
b1 += b;
lum[1] = RGB_TO_Y(r, g, b);
p += wrap3;
lum += wrap;
RGB_IN(r, g, b, p);
r1 += r;
g1 += g;
b1 += b;
lum[0] = RGB_TO_Y(r, g, b);
RGB_IN(r, g, b, p + BPP);
r1 += r;
g1 += g;
b1 += b;
lum[1] = RGB_TO_Y(r, g, b);
cb[0] = RGB_TO_U(r1, g1, b1, 2);
cr[0] = RGB_TO_V(r1, g1, b1, 2);
cb++;
cr++;
p += -wrap3 + 2 * BPP;
lum += -wrap + 2;
}
if (w) {
RGB_IN(r, g, b, p);
r1 = r;
g1 = g;
b1 = b;
lum[0] = RGB_TO_Y(r, g, b);
p += wrap3;
lum += wrap;
RGB_IN(r, g, b, p);
r1 += r;
g1 += g;
b1 += b;
lum[0] = RGB_TO_Y(r, g, b);
cb[0] = RGB_TO_U(r1, g1, b1, 1);
cr[0] = RGB_TO_V(r1, g1, b1, 1);
cb++;
cr++;
p += -wrap3 + BPP;
lum += -wrap + 1;
}
p += wrap3 + (wrap3 - width * BPP);
lum += wrap + (wrap - width);
cb += dst->linesize[1] - width2;
cr += dst->linesize[2] - width2;
}
/* handle odd height */
if (height) {
for(w = width; w >= 2; w -= 2) {
RGB_IN(r, g, b, p);
r1 = r;
g1 = g;
b1 = b;
lum[0] = RGB_TO_Y(r, g, b);
RGB_IN(r, g, b, p + BPP);
r1 += r;
g1 += g;
b1 += b;
lum[1] = RGB_TO_Y(r, g, b);
cb[0] = RGB_TO_U(r1, g1, b1, 1);
cr[0] = RGB_TO_V(r1, g1, b1, 1);
cb++;
cr++;
p += 2 * BPP;
lum += 2;
}
if (w) {
RGB_IN(r, g, b, p);
lum[0] = RGB_TO_Y(r, g, b);
cb[0] = RGB_TO_U(r, g, b, 0);
cr[0] = RGB_TO_V(r, g, b, 0);
}
}
}
static void rgb24_to_yuvj444p(AVPicture *dst, const AVPicture *src,
int width, int height)
{
int src_wrap, x, y;
int r, g, b;
uint8_t *lum, *cb, *cr;
const uint8_t *p;
lum = dst->data[0];
cb = dst->data[1];
cr = dst->data[2];
src_wrap = src->linesize[0] - width * BPP;
p = src->data[0];
for(y=0;y<height;y++) {
for(x=0;x<width;x++) {
RGB_IN(r, g, b, p);
lum[0] = RGB_TO_Y(r, g, b);
cb[0] = RGB_TO_U(r, g, b, 0);
cr[0] = RGB_TO_V(r, g, b, 0);
p += BPP;
cb++;
cr++;
lum++;
}
p += src_wrap;
lum += dst->linesize[0] - width;
cb += dst->linesize[1] - width;
cr += dst->linesize[2] - width;
}
}
#endif /* FMT_RGB24 */
#if defined(FMT_RGB24) || defined(FMT_RGB32)
static void glue(RGB_NAME, _to_pal8)(AVPicture *dst, const AVPicture *src,
int width, int height)
{
const unsigned char *p;
unsigned char *q;
int dst_wrap, src_wrap;
int x, y, has_alpha;
unsigned int r, g, b;
p = src->data[0];
src_wrap = src->linesize[0] - BPP * width;
q = dst->data[0];
dst_wrap = dst->linesize[0] - width;
has_alpha = 0;
for(y=0;y<height;y++) {
for(x=0;x<width;x++) {
#ifdef RGBA_IN
{
unsigned int a;
RGBA_IN(r, g, b, a, p);
/* crude approximation for alpha ! */
if (a < 0x80) {
has_alpha = 1;
q[0] = TRANSP_INDEX;
} else {
q[0] = gif_clut_index(r, g, b);
}
}
#else
RGB_IN(r, g, b, p);
q[0] = gif_clut_index(r, g, b);
#endif
q++;
p += BPP;
}
p += src_wrap;
q += dst_wrap;
}
build_rgb_palette(dst->data[1], has_alpha);
}
#endif /* defined(FMT_RGB24) || defined(FMT_RGB32) */
#ifdef RGBA_IN
static int glue(get_alpha_info_, RGB_NAME)(const AVPicture *src,
int width, int height)
{
const unsigned char *p;
int src_wrap, ret, x, y;
unsigned int r, g, b, a;
p = src->data[0];
src_wrap = src->linesize[0] - BPP * width;
ret = 0;
for(y=0;y<height;y++) {
for(x=0;x<width;x++) {
RGBA_IN(r, g, b, a, p);
if (a == 0x00) {
ret |= FF_ALPHA_TRANSP;
} else if (a != 0xff) {
ret |= FF_ALPHA_SEMI_TRANSP;
}
p += BPP;
}
p += src_wrap;
}
return ret;
}
#endif /* RGBA_IN */
#undef RGB_IN
#undef RGBA_IN
#undef RGB_OUT
#undef RGBA_OUT
#undef BPP
#undef RGB_NAME
#undef FMT_RGB24
#undef FMT_RGB32
libavcodec/imgresample.c deleted 100644 → 0
View file @ bad36f46
/*
* High quality image resampling with polyphase filters
* Copyright (c) 2001 Fabrice Bellard
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file libavcodec/imgresample.c
* High quality image resampling with polyphase filters .
*
* WARNING: This file is deprecated and will be removed after FFmpeg 0.5
* release, do not lose your time improving it!
*/
#include "avcodec.h"
#include "dsputil.h"
#include "imgconvert.h"
#include "libswscale/swscale.h"
#if HAVE_ALTIVEC
#include "ppc/imgresample_altivec.h"
#endif
#define NB_COMPONENTS 3
#define PHASE_BITS 4
#define NB_PHASES (1 << PHASE_BITS)
#define NB_TAPS 4
#define FCENTER 1 /* index of the center of the filter */
//#define TEST 1 /* Test it */
#define POS_FRAC_BITS 16
#define POS_FRAC (1 << POS_FRAC_BITS)
/* 6 bits precision is needed for MMX */
#define FILTER_BITS 8
#define LINE_BUF_HEIGHT (NB_TAPS * 4)
struct SwsContext {
const AVClass *av_class;
struct ImgReSampleContext *resampling_ctx;
enum PixelFormat src_pix_fmt, dst_pix_fmt;
};
typedef struct ImgReSampleContext {
int iwidth, iheight, owidth, oheight;
int topBand, bottomBand, leftBand, rightBand;
int padtop, padbottom, padleft, padright;
int pad_owidth, pad_oheight;
int h_incr, v_incr;
DECLARE_ALIGNED_8(int16_t, h_filters[NB_PHASES][NB_TAPS]); /* horizontal filters */
DECLARE_ALIGNED_8(int16_t, v_filters[NB_PHASES][NB_TAPS]); /* vertical filters */
uint8_t *line_buf;
} ImgReSampleContext;
void av_build_filter(int16_t *filter, double factor, int tap_count, int phase_count, int scale, int type);
static inline int get_phase(int pos)
{
return ((pos) >> (POS_FRAC_BITS - PHASE_BITS)) & ((1 << PHASE_BITS) - 1);
}
/* This function must be optimized */
static void h_resample_fast(uint8_t *dst, int dst_width, const uint8_t *src,
int src_width, int src_start, int src_incr,
int16_t *filters)
{
int src_pos, phase, sum, i;
const uint8_t *s;
int16_t *filter;
src_pos = src_start;
for(i=0;i<dst_width;i++) {
#ifdef TEST
/* test */
if ((src_pos >> POS_FRAC_BITS) < 0 ||
(src_pos >> POS_FRAC_BITS) > (src_width - NB_TAPS))
av_abort();
#endif
s = src + (src_pos >> POS_FRAC_BITS);
phase = get_phase(src_pos);
filter = filters + phase * NB_TAPS;
#if NB_TAPS == 4
sum = s[0] * filter[0] +
s[1] * filter[1] +
s[2] * filter[2] +
s[3] * filter[3];
#else
{
int j;
sum = 0;
for(j=0;j<NB_TAPS;j++)
sum += s[j] * filter[j];
}
#endif
sum = sum >> FILTER_BITS;
if (sum < 0)
sum = 0;
else if (sum > 255)
sum = 255;
dst[0] = sum;
src_pos += src_incr;
dst++;
}
}
/* This function must be optimized */
static void v_resample(uint8_t *dst, int dst_width, const uint8_t *src,
int wrap, int16_t *filter)
{
int sum, i;
const uint8_t *s;
s = src;
for(i=0;i<dst_width;i++) {
#if NB_TAPS == 4
sum = s[0 * wrap] * filter[0] +
s[1 * wrap] * filter[1] +
s[2 * wrap] * filter[2] +
s[3 * wrap] * filter[3];
#else
{
int j;
uint8_t *s1 = s;
sum = 0;
for(j=0;j<NB_TAPS;j++) {
sum += s1[0] * filter[j];
s1 += wrap;
}
}
#endif
sum = sum >> FILTER_BITS;
if (sum < 0)
sum = 0;
else if (sum > 255)
sum = 255;
dst[0] = sum;
dst++;
s++;
}
}
#if HAVE_MMX
#include "x86/mmx.h"
#define FILTER4(reg) \
{\
s = src + (src_pos >> POS_FRAC_BITS);\
phase = get_phase(src_pos);\
filter = filters + phase * NB_TAPS;\
movq_m2r(*s, reg);\
punpcklbw_r2r(mm7, reg);\
movq_m2r(*filter, mm6);\
pmaddwd_r2r(reg, mm6);\
movq_r2r(mm6, reg);\
psrlq_i2r(32, reg);\
paddd_r2r(mm6, reg);\
psrad_i2r(FILTER_BITS, reg);\
src_pos += src_incr;\
}
#define DUMP(reg) movq_r2m(reg, tmp); printf(#reg "=%016"PRIx64"\n", tmp.uq);
/* XXX: do four pixels at a time */
static void h_resample_fast4_mmx(uint8_t *dst, int dst_width,
const uint8_t *src, int src_width,
int src_start, int src_incr, int16_t *filters)
{
int src_pos, phase;
const uint8_t *s;
int16_t *filter;
uint64_t tmp;
src_pos = src_start;
pxor_r2r(mm7, mm7);
while (dst_width >= 4) {
FILTER4(mm0);
FILTER4(mm1);
FILTER4(mm2);
FILTER4(mm3);
packuswb_r2r(mm7, mm0);
packuswb_r2r(mm7, mm1);
packuswb_r2r(mm7, mm3);
packuswb_r2r(mm7, mm2);
movq_r2m(mm0, tmp);
dst[0] = tmp & 0xFF;
movq_r2m(mm1, tmp);
dst[1] = tmp & 0xFF;
movq_r2m(mm2, tmp);
dst[2] = tmp & 0xFF;
movq_r2m(mm3, tmp);
dst[3] = tmp & 0xFF;
dst += 4;
dst_width -= 4;
}
while (dst_width > 0) {
FILTER4(mm0);
packuswb_r2r(mm7, mm0);
movq_r2m(mm0, tmp);
dst[0] = tmp & 0xFF;
dst++;
dst_width--;
}
emms();
}
static void v_resample4_mmx(uint8_t *dst, int dst_width, const uint8_t *src,
int wrap, int16_t *filter)
{
int sum, i;
const uint8_t *s;
uint64_t tmp;
uint64_t coefs[4];
for(i=0;i<4;i++) {
tmp = filter[i];
coefs[i] = (tmp<<48) + (tmp<<32) + (tmp<<16) + tmp;
}
pxor_r2r(mm7, mm7);
s = src;
while (dst_width >= 4) {
movq_m2r(s[0 * wrap], mm0);
punpcklbw_r2r(mm7, mm0);
movq_m2r(s[1 * wrap], mm1);
punpcklbw_r2r(mm7, mm1);
movq_m2r(s[2 * wrap], mm2);
punpcklbw_r2r(mm7, mm2);
movq_m2r(s[3 * wrap], mm3);
punpcklbw_r2r(mm7, mm3);
pmullw_m2r(coefs[0], mm0);
pmullw_m2r(coefs[1], mm1);
pmullw_m2r(coefs[2], mm2);
pmullw_m2r(coefs[3], mm3);
paddw_r2r(mm1, mm0);
paddw_r2r(mm3, mm2);
paddw_r2r(mm2, mm0);
psraw_i2r(FILTER_BITS, mm0);
packuswb_r2r(mm7, mm0);
movq_r2m(mm0, tmp);
*(uint32_t *)dst = tmp & 0xFFFFFFFF;
dst += 4;
s += 4;
dst_width -= 4;
}
while (dst_width > 0) {
sum = s[0 * wrap] * filter[0] +
s[1 * wrap] * filter[1] +
s[2 * wrap] * filter[2] +
s[3 * wrap] * filter[3];
sum = sum >> FILTER_BITS;
if (sum < 0)
sum = 0;
else if (sum > 255)
sum = 255;
dst[0] = sum;
dst++;
s++;
dst_width--;
}
emms();
}
#endif /* HAVE_MMX */
/* slow version to handle limit cases. Does not need optimization */
static void h_resample_slow(uint8_t *dst, int dst_width,
const uint8_t *src, int src_width,
int src_start, int src_incr, int16_t *filters)
{
int src_pos, phase, sum, j, v, i;
const uint8_t *s, *src_end;
int16_t *filter;
src_end = src + src_width;
src_pos = src_start;
for(i=0;i<dst_width;i++) {
s = src + (src_pos >> POS_FRAC_BITS);
phase = get_phase(src_pos);
filter = filters + phase * NB_TAPS;
sum = 0;
for(j=0;j<NB_TAPS;j++) {
if (s < src)
v = src[0];
else if (s >= src_end)
v = src_end[-1];
else
v = s[0];
sum += v * filter[j];
s++;
}
sum = sum >> FILTER_BITS;
if (sum < 0)
sum = 0;
else if (sum > 255)
sum = 255;
dst[0] = sum;
src_pos += src_incr;
dst++;
}
}
static void h_resample(uint8_t *dst, int dst_width, const uint8_t *src,
int src_width, int src_start, int src_incr,
int16_t *filters)
{
int n, src_end;
if (src_start < 0) {
n = (0 - src_start + src_incr - 1) / src_incr;
h_resample_slow(dst, n, src, src_width, src_start, src_incr, filters);
dst += n;
dst_width -= n;
src_start += n * src_incr;
}
src_end = src_start + dst_width * src_incr;
if (src_end > ((src_width - NB_TAPS) << POS_FRAC_BITS)) {
n = (((src_width - NB_TAPS + 1) << POS_FRAC_BITS) - 1 - src_start) /
src_incr;
} else {
n = dst_width;
}
#if HAVE_MMX
if ((mm_flags & FF_MM_MMX) && NB_TAPS == 4)
h_resample_fast4_mmx(dst, n,
src, src_width, src_start, src_incr, filters);
else
#endif
h_resample_fast(dst, n,
src, src_width, src_start, src_incr, filters);
if (n < dst_width) {
dst += n;
dst_width -= n;
src_start += n * src_incr;
h_resample_slow(dst, dst_width,
src, src_width, src_start, src_incr, filters);
}
}
static void component_resample(ImgReSampleContext *s,
uint8_t *output, int owrap, int owidth, int oheight,
uint8_t *input, int iwrap, int iwidth, int iheight)
{
int src_y, src_y1, last_src_y, ring_y, phase_y, y1, y;
uint8_t *new_line, *src_line;
last_src_y = - FCENTER - 1;
/* position of the bottom of the filter in the source image */
src_y = (last_src_y + NB_TAPS) * POS_FRAC;
ring_y = NB_TAPS; /* position in ring buffer */
for(y=0;y<oheight;y++) {
/* apply horizontal filter on new lines from input if needed */
src_y1 = src_y >> POS_FRAC_BITS;
while (last_src_y < src_y1) {
if (++ring_y >= LINE_BUF_HEIGHT + NB_TAPS)
ring_y = NB_TAPS;
last_src_y++;
/* handle limit conditions : replicate line (slightly
inefficient because we filter multiple times) */
y1 = last_src_y;
if (y1 < 0) {
y1 = 0;
} else if (y1 >= iheight) {
y1 = iheight - 1;
}
src_line = input + y1 * iwrap;
new_line = s->line_buf + ring_y * owidth;
/* apply filter and handle limit cases correctly */
h_resample(new_line, owidth,
src_line, iwidth, - FCENTER * POS_FRAC, s->h_incr,
&s->h_filters[0][0]);
/* handle ring buffer wrapping */
if (ring_y >= LINE_BUF_HEIGHT) {
memcpy(s->line_buf + (ring_y - LINE_BUF_HEIGHT) * owidth,
new_line, owidth);
}
}
/* apply vertical filter */
phase_y = get_phase(src_y);
#if HAVE_MMX
/* desactivated MMX because loss of precision */
if ((mm_flags & FF_MM_MMX) && NB_TAPS == 4 && 0)
v_resample4_mmx(output, owidth,
s->line_buf + (ring_y - NB_TAPS + 1) * owidth, owidth,
&s->v_filters[phase_y][0]);
else
#endif
#if HAVE_ALTIVEC
if ((mm_flags & FF_MM_ALTIVEC) && NB_TAPS == 4 && FILTER_BITS <= 6)
v_resample16_altivec(output, owidth,
s->line_buf + (ring_y - NB_TAPS + 1) * owidth,
owidth, &s->v_filters[phase_y][0]);
else
#endif
v_resample(output, owidth,
s->line_buf + (ring_y - NB_TAPS + 1) * owidth, owidth,
&s->v_filters[phase_y][0]);
src_y += s->v_incr;
output += owrap;
}
}
ImgReSampleContext *img_resample_full_init(int owidth, int oheight,
int iwidth, int iheight,
int topBand, int bottomBand,
int leftBand, int rightBand,
int padtop, int padbottom,
int padleft, int padright)
{
ImgReSampleContext *s;
if (!owidth || !oheight || !iwidth || !iheight)
return NULL;
s = av_mallocz(sizeof(ImgReSampleContext));
if (!s)
return NULL;
if((unsigned)owidth >= UINT_MAX / (LINE_BUF_HEIGHT + NB_TAPS))
goto fail;
s->line_buf = av_mallocz(owidth * (LINE_BUF_HEIGHT + NB_TAPS));
if (!s->line_buf)
goto fail;
s->owidth = owidth;
s->oheight = oheight;
s->iwidth = iwidth;
s->iheight = iheight;
s->topBand = topBand;
s->bottomBand = bottomBand;
s->leftBand = leftBand;
s->rightBand = rightBand;
s->padtop = padtop;
s->padbottom = padbottom;
s->padleft = padleft;
s->padright = padright;
s->pad_owidth = owidth - (padleft + padright);
s->pad_oheight = oheight - (padtop + padbottom);
s->h_incr = ((iwidth - leftBand - rightBand) * POS_FRAC) / s->pad_owidth;
s->v_incr = ((iheight - topBand - bottomBand) * POS_FRAC) / s->pad_oheight;
av_build_filter(&s->h_filters[0][0], (float) s->pad_owidth /
(float) (iwidth - leftBand - rightBand), NB_TAPS, NB_PHASES, 1<<FILTER_BITS, 0);
av_build_filter(&s->v_filters[0][0], (float) s->pad_oheight /
(float) (iheight - topBand - bottomBand), NB_TAPS, NB_PHASES, 1<<FILTER_BITS, 0);
return s;
fail:
av_free(s);
return NULL;
}
ImgReSampleContext *img_resample_init(int owidth, int oheight,
int iwidth, int iheight)
{
return img_resample_full_init(owidth, oheight, iwidth, iheight,
0, 0, 0, 0, 0, 0, 0, 0);
}
void img_resample(ImgReSampleContext *s,
AVPicture *output, const AVPicture *input)
{
int i, shift;
uint8_t* optr;
for (i=0;i<3;i++) {
shift = (i == 0) ? 0 : 1;
optr = output->data[i] + (((output->linesize[i] *
s->padtop) + s->padleft) >> shift);
component_resample(s, optr, output->linesize[i],
s->pad_owidth >> shift, s->pad_oheight >> shift,
input->data[i] + (input->linesize[i] *
(s->topBand >> shift)) + (s->leftBand >> shift),
input->linesize[i], ((s->iwidth - s->leftBand -
s->rightBand) >> shift),
(s->iheight - s->topBand - s->bottomBand) >> shift);
}
}
void img_resample_close(ImgReSampleContext *s)
{
av_free(s->line_buf);
av_free(s);
}
static const char *context_to_name(void* ptr)
{
return "imgconvert";
}
static const AVClass context_class = { "imgresample", context_to_name, NULL };
struct SwsContext *sws_getContext(int srcW, int srcH, int srcFormat,
int dstW, int dstH, int dstFormat,
int flags, SwsFilter *srcFilter,
SwsFilter *dstFilter, double *param)
{
struct SwsContext *ctx;
ctx = av_malloc(sizeof(struct SwsContext));
if (!ctx) {
av_log(NULL, AV_LOG_ERROR, "Cannot allocate a resampling context!\n");
return NULL;
}
ctx->av_class = &context_class;
if ((srcH != dstH) || (srcW != dstW)) {
if ((srcFormat != PIX_FMT_YUV420P) || (dstFormat != PIX_FMT_YUV420P)) {
av_log(ctx, AV_LOG_INFO, "PIX_FMT_YUV420P will be used as an intermediate format for rescaling\n");
}
ctx->resampling_ctx = img_resample_init(dstW, dstH, srcW, srcH);
} else {
ctx->resampling_ctx = av_malloc(sizeof(ImgReSampleContext));
ctx->resampling_ctx->iheight = srcH;
ctx->resampling_ctx->iwidth = srcW;
ctx->resampling_ctx->oheight = dstH;
ctx->resampling_ctx->owidth = dstW;
}
ctx->src_pix_fmt = srcFormat;
ctx->dst_pix_fmt = dstFormat;
return ctx;
}
void sws_freeContext(struct SwsContext *ctx)
{
if (!ctx)
return;
if ((ctx->resampling_ctx->iwidth != ctx->resampling_ctx->owidth) ||
(ctx->resampling_ctx->iheight != ctx->resampling_ctx->oheight)) {
img_resample_close(ctx->resampling_ctx);
} else {
av_free(ctx->resampling_ctx);
}
av_free(ctx);
}
/**
* Checks if context is valid or reallocs a new one instead.
* If context is NULL, just calls sws_getContext() to get a new one.
* Otherwise, checks if the parameters are the same already saved in context.
* If that is the case, returns the current context.
* Otherwise, frees context and gets a new one.
*
* Be warned that srcFilter, dstFilter are not checked, they are
* assumed to remain valid.
*/
struct SwsContext *sws_getCachedContext(struct SwsContext *ctx,
int srcW, int srcH, int srcFormat,
int dstW, int dstH, int dstFormat, int flags,
SwsFilter *srcFilter, SwsFilter *dstFilter, double *param)
{
if (ctx != NULL) {
if ((ctx->resampling_ctx->iwidth != srcW) ||
(ctx->resampling_ctx->iheight != srcH) ||
(ctx->src_pix_fmt != srcFormat) ||
(ctx->resampling_ctx->owidth != dstW) ||
(ctx->resampling_ctx->oheight != dstH) ||
(ctx->dst_pix_fmt != dstFormat))
{
sws_freeContext(ctx);
ctx = NULL;
}
}
if (ctx == NULL) {
return sws_getContext(srcW, srcH, srcFormat,
dstW, dstH, dstFormat, flags,
srcFilter, dstFilter, param);
}
return ctx;
}
int sws_scale(struct SwsContext *ctx, uint8_t* src[], int srcStride[],
int srcSliceY, int srcSliceH, uint8_t* dst[], int dstStride[])
{
AVPicture src_pict, dst_pict;
int i, res = 0;
AVPicture picture_format_temp;
AVPicture picture_resample_temp, *formatted_picture, *resampled_picture;
uint8_t *buf1 = NULL, *buf2 = NULL;
enum PixelFormat current_pix_fmt;
for (i = 0; i < 4; i++) {
src_pict.data[i] = src[i];
src_pict.linesize[i] = srcStride[i];
dst_pict.data[i] = dst[i];
dst_pict.linesize[i] = dstStride[i];
}
if ((ctx->resampling_ctx->iwidth != ctx->resampling_ctx->owidth) ||
(ctx->resampling_ctx->iheight != ctx->resampling_ctx->oheight)) {
/* We have to rescale the picture, but only YUV420P rescaling is supported... */
if (ctx->src_pix_fmt != PIX_FMT_YUV420P) {
int size;
/* create temporary picture for rescaling input*/
size = avpicture_get_size(PIX_FMT_YUV420P, ctx->resampling_ctx->iwidth, ctx->resampling_ctx->iheight);
buf1 = av_malloc(size);
if (!buf1) {
res = -1;
goto the_end;
}
formatted_picture = &picture_format_temp;
avpicture_fill((AVPicture*)formatted_picture, buf1,
PIX_FMT_YUV420P, ctx->resampling_ctx->iwidth, ctx->resampling_ctx->iheight);
if (img_convert((AVPicture*)formatted_picture, PIX_FMT_YUV420P,
&src_pict, ctx->src_pix_fmt,
ctx->resampling_ctx->iwidth, ctx->resampling_ctx->iheight) < 0) {
av_log(ctx, AV_LOG_ERROR, "pixel format conversion not handled\n");
res = -1;
goto the_end;
}
} else {
formatted_picture = &src_pict;
}
if (ctx->dst_pix_fmt != PIX_FMT_YUV420P) {
int size;
/* create temporary picture for rescaling output*/
size = avpicture_get_size(PIX_FMT_YUV420P, ctx->resampling_ctx->owidth, ctx->resampling_ctx->oheight);
buf2 = av_malloc(size);
if (!buf2) {
res = -1;
goto the_end;
}
resampled_picture = &picture_resample_temp;
avpicture_fill((AVPicture*)resampled_picture, buf2,
PIX_FMT_YUV420P, ctx->resampling_ctx->owidth, ctx->resampling_ctx->oheight);
} else {
resampled_picture = &dst_pict;
}
/* ...and finally rescale!!! */
img_resample(ctx->resampling_ctx, resampled_picture, formatted_picture);
current_pix_fmt = PIX_FMT_YUV420P;
} else {
resampled_picture = &src_pict;
current_pix_fmt = ctx->src_pix_fmt;
}
if (current_pix_fmt != ctx->dst_pix_fmt) {
if (img_convert(&dst_pict, ctx->dst_pix_fmt,
resampled_picture, current_pix_fmt,
ctx->resampling_ctx->owidth, ctx->resampling_ctx->oheight) < 0) {
av_log(ctx, AV_LOG_ERROR, "pixel format conversion not handled\n");
res = -1;
goto the_end;
}
} else if (resampled_picture != &dst_pict) {
av_picture_copy(&dst_pict, resampled_picture, current_pix_fmt,
ctx->resampling_ctx->owidth, ctx->resampling_ctx->oheight);
}
the_end:
av_free(buf1);
av_free(buf2);
return res;
}
#ifdef TEST
#include <stdio.h>
#undef exit
/* input */
#define XSIZE 256
#define YSIZE 256
uint8_t img[XSIZE * YSIZE];
/* output */
#define XSIZE1 512
#define YSIZE1 512
uint8_t img1[XSIZE1 * YSIZE1];
uint8_t img2[XSIZE1 * YSIZE1];
void save_pgm(const char *filename, uint8_t *img, int xsize, int ysize)
{
#undef fprintf
FILE *f;
f=fopen(filename,"w");
fprintf(f,"P5\n%d %d\n%d\n", xsize, ysize, 255);
fwrite(img,1, xsize * ysize,f);
fclose(f);
#define fprintf please_use_av_log
}
static void dump_filter(int16_t *filter)
{
int i, ph;
for(ph=0;ph<NB_PHASES;ph++) {
av_log(NULL, AV_LOG_INFO, "%2d: ", ph);
for(i=0;i<NB_TAPS;i++) {
av_log(NULL, AV_LOG_INFO, " %5.2f", filter[ph * NB_TAPS + i] / 256.0);
}
av_log(NULL, AV_LOG_INFO, "\n");
}
}
#if HAVE_MMX
int mm_flags;
#endif
int main(int argc, char **argv)
{
int x, y, v, i, xsize, ysize;
ImgReSampleContext *s;
float fact, factors[] = { 1/2.0, 3.0/4.0, 1.0, 4.0/3.0, 16.0/9.0, 2.0 };
char buf[256];
/* build test image */
for(y=0;y<YSIZE;y++) {
for(x=0;x<XSIZE;x++) {
if (x < XSIZE/2 && y < YSIZE/2) {
if (x < XSIZE/4 && y < YSIZE/4) {
if ((x % 10) <= 6 &&
(y % 10) <= 6)
v = 0xff;
else
v = 0x00;
} else if (x < XSIZE/4) {
if (x & 1)
v = 0xff;
else
v = 0;
} else if (y < XSIZE/4) {
if (y & 1)
v = 0xff;
else
v = 0;
} else {
if (y < YSIZE*3/8) {
if ((y+x) & 1)
v = 0xff;
else
v = 0;
} else {
if (((x+3) % 4) <= 1 &&
((y+3) % 4) <= 1)
v = 0xff;
else
v = 0x00;
}
}
} else if (x < XSIZE/2) {
v = ((x - (XSIZE/2)) * 255) / (XSIZE/2);
} else if (y < XSIZE/2) {
v = ((y - (XSIZE/2)) * 255) / (XSIZE/2);
} else {
v = ((x + y - XSIZE) * 255) / XSIZE;
}
img[(YSIZE - y) * XSIZE + (XSIZE - x)] = v;
}
}
save_pgm("/tmp/in.pgm", img, XSIZE, YSIZE);
for(i=0;i<FF_ARRAY_ELEMS(factors);i++) {
fact = factors[i];
xsize = (int)(XSIZE * fact);
ysize = (int)((YSIZE - 100) * fact);
s = img_resample_full_init(xsize, ysize, XSIZE, YSIZE, 50 ,50, 0, 0, 0, 0, 0, 0);
av_log(NULL, AV_LOG_INFO, "Factor=%0.2f\n", fact);
dump_filter(&s->h_filters[0][0]);
component_resample(s, img1, xsize, xsize, ysize,
img + 50 * XSIZE, XSIZE, XSIZE, YSIZE - 100);
img_resample_close(s);
snprintf(buf, sizeof(buf), "/tmp/out%d.pgm", i);
save_pgm(buf, img1, xsize, ysize);
}
/* mmx test */
#if HAVE_MMX
av_log(NULL, AV_LOG_INFO, "MMX test\n");
fact = 0.72;
xsize = (int)(XSIZE * fact);
ysize = (int)(YSIZE * fact);
mm_flags = FF_MM_MMX;
s = img_resample_init(xsize, ysize, XSIZE, YSIZE);
component_resample(s, img1, xsize, xsize, ysize,
img, XSIZE, XSIZE, YSIZE);
mm_flags = 0;
s = img_resample_init(xsize, ysize, XSIZE, YSIZE);
component_resample(s, img2, xsize, xsize, ysize,
img, XSIZE, XSIZE, YSIZE);
if (memcmp(img1, img2, xsize * ysize) != 0) {
av_log(NULL, AV_LOG_ERROR, "mmx error\n");
exit(1);
}
av_log(NULL, AV_LOG_INFO, "MMX OK\n");
#endif /* HAVE_MMX */
return 0;
}
#endif /* TEST */
libavcodec/ppc/imgresample_altivec.c deleted 100644 → 0
View file @ bad36f46
/*
* High quality image resampling with polyphase filters
* Copyright (c) 2001 Fabrice Bellard
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file libavcodec/ppc/imgresample_altivec.c
* High quality image resampling with polyphase filters - AltiVec bits
*/
#include "util_altivec.h"
#define FILTER_BITS 8
typedef union {
vector signed short v;
signed short s[8];
} vec_ss;
void v_resample16_altivec(uint8_t *dst, int dst_width, const uint8_t *src,
int wrap, int16_t *filter)
{
int sum, i;
const uint8_t *s;
vector unsigned char *tv, tmp, dstv, zero;
vec_ss srchv[4], srclv[4], fv[4];
vector signed short zeros, sumhv, sumlv;
s = src;
for(i=0;i<4;i++) {
/*
The vec_madds later on does an implicit >>15 on the result.
Since FILTER_BITS is 8, and we have 15 bits of magnitude in
a signed short, we have just enough bits to pre-shift our
filter constants <<7 to compensate for vec_madds.
*/
fv[i].s[0] = filter[i] << (15-FILTER_BITS);
fv[i].v = vec_splat(fv[i].v, 0);
}
zero = vec_splat_u8(0);
zeros = vec_splat_s16(0);
/*
When we're resampling, we'd ideally like both our input buffers,
and output buffers to be 16-byte aligned, so we can do both aligned
reads and writes. Sadly we can't always have this at the moment, so
we opt for aligned writes, as unaligned writes have a huge overhead.
To do this, do enough scalar resamples to get dst 16-byte aligned.
*/
i = (-(int)dst) & 0xf;
while(i>0) {
sum = s[0 * wrap] * filter[0] +
s[1 * wrap] * filter[1] +
s[2 * wrap] * filter[2] +
s[3 * wrap] * filter[3];
sum = sum >> FILTER_BITS;
if (sum<0) sum = 0; else if (sum>255) sum=255;
dst[0] = sum;
dst++;
s++;
dst_width--;
i--;
}
/* Do our altivec resampling on 16 pixels at once. */
while(dst_width>=16) {
/* Read 16 (potentially unaligned) bytes from each of
4 lines into 4 vectors, and split them into shorts.
Interleave the multipy/accumulate for the resample
filter with the loads to hide the 3 cycle latency
the vec_madds have. */
tv = (vector unsigned char *) &s[0 * wrap];
tmp = vec_perm(tv[0], tv[1], vec_lvsl(0, &s[i * wrap]));
srchv[0].v = (vector signed short) vec_mergeh(zero, tmp);
srclv[0].v = (vector signed short) vec_mergel(zero, tmp);
sumhv = vec_madds(srchv[0].v, fv[0].v, zeros);
sumlv = vec_madds(srclv[0].v, fv[0].v, zeros);
tv = (vector unsigned char *) &s[1 * wrap];
tmp = vec_perm(tv[0], tv[1], vec_lvsl(0, &s[1 * wrap]));
srchv[1].v = (vector signed short) vec_mergeh(zero, tmp);
srclv[1].v = (vector signed short) vec_mergel(zero, tmp);
sumhv = vec_madds(srchv[1].v, fv[1].v, sumhv);
sumlv = vec_madds(srclv[1].v, fv[1].v, sumlv);
tv = (vector unsigned char *) &s[2 * wrap];
tmp = vec_perm(tv[0], tv[1], vec_lvsl(0, &s[2 * wrap]));
srchv[2].v = (vector signed short) vec_mergeh(zero, tmp);
srclv[2].v = (vector signed short) vec_mergel(zero, tmp);
sumhv = vec_madds(srchv[2].v, fv[2].v, sumhv);
sumlv = vec_madds(srclv[2].v, fv[2].v, sumlv);
tv = (vector unsigned char *) &s[3 * wrap];
tmp = vec_perm(tv[0], tv[1], vec_lvsl(0, &s[3 * wrap]));
srchv[3].v = (vector signed short) vec_mergeh(zero, tmp);
srclv[3].v = (vector signed short) vec_mergel(zero, tmp);
sumhv = vec_madds(srchv[3].v, fv[3].v, sumhv);
sumlv = vec_madds(srclv[3].v, fv[3].v, sumlv);
/* Pack the results into our destination vector,
and do an aligned write of that back to memory. */
dstv = vec_packsu(sumhv, sumlv) ;
vec_st(dstv, 0, (vector unsigned char *) dst);
dst+=16;
s+=16;
dst_width-=16;
}
/* If there are any leftover pixels, resample them
with the slow scalar method. */
while(dst_width>0) {
sum = s[0 * wrap] * filter[0] +
s[1 * wrap] * filter[1] +
s[2 * wrap] * filter[2] +
s[3 * wrap] * filter[3];
sum = sum >> FILTER_BITS;
if (sum<0) sum = 0; else if (sum>255) sum=255;
dst[0] = sum;
dst++;
s++;
dst_width--;
}
}
libavcodec/ppc/imgresample_altivec.h deleted 100644 → 0
View file @ bad36f46
/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_PPC_IMGRESAMPLE_ALTIVEC_H
#define AVCODEC_PPC_IMGRESAMPLE_ALTIVEC_H
#include <stdint.h>
void v_resample16_altivec(uint8_t *dst, int dst_width, const uint8_t *src,
int wrap, int16_t *filter);
#endif /* AVCODEC_PPC_IMGRESAMPLE_ALTIVEC_H */
libavfilter/Makefile
View file @ 32d7a9b1
include $(SUBDIR)../config.mak
NAME = avfilter
FFLIBS = avcodec avutil
FFLIBS-$(CONFIG_SWSCALE) += swscale
FFLIBS = avcodec avutil swscale
FFLIBS-$(CONFIG_AVFILTER_LAVF) += avformat
HEADERS = avfilter.h
......
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