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ffmpeg.wasm-core
Commit 6d4f53cb authored by Michael Niedermayer's avatar Michael Niedermayer
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Remove old scaler. 

Originally committed as revision 17786 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 1ad1eaad
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Makefile
View file @ 6d4f53cb
......@@ -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 @ 6d4f53cb
......@@ -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 @ 6d4f53cb
......@@ -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 @ 6d4f53cb
......@@ -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
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libavcodec/imgconvert_template.c deleted 100644 → 0
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libavcodec/imgresample.c deleted 100644 → 0
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libavcodec/ppc/imgresample_altivec.c deleted 100644 → 0
View file @ 1ad1eaad
/*
* 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 @ 1ad1eaad
/*
* 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 @ 6d4f53cb
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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