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vf_gradfun_init.c
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1 /*
2  * Copyright (C) 2009 Loren Merritt <lorenm@u.washington.edu>
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include "config.h"
22 #include "libavutil/attributes.h"
23 #include "libavutil/cpu.h"
24 #include "libavutil/mem.h"
25 #include "libavutil/x86/asm.h"
26 #include "libavutil/x86/cpu.h"
27 #include "libavfilter/gradfun.h"
28 
29 void ff_gradfun_filter_line_mmxext(intptr_t x, uint8_t *dst, const uint8_t *src,
30  const uint16_t *dc, int thresh,
31  const uint16_t *dithers);
32 void ff_gradfun_filter_line_ssse3(intptr_t x, uint8_t *dst, const uint8_t *src,
33  const uint16_t *dc, int thresh,
34  const uint16_t *dithers);
35 
36 void ff_gradfun_blur_line_movdqa_sse2(intptr_t x, uint16_t *buf,
37  const uint16_t *buf1, uint16_t *dc,
38  const uint8_t *src1, const uint8_t *src2);
39 void ff_gradfun_blur_line_movdqu_sse2(intptr_t x, uint16_t *buf,
40  const uint16_t *buf1, uint16_t *dc,
41  const uint8_t *src1, const uint8_t *src2);
42 
43 #if HAVE_YASM
44 static void gradfun_filter_line_mmxext(uint8_t *dst, const uint8_t *src,
45  const uint16_t *dc,
46  int width, int thresh,
47  const uint16_t *dithers)
48 {
49  intptr_t x;
50  if (width & 3) {
51  x = width & ~3;
52  ff_gradfun_filter_line_c(dst + x, src + x, dc + x / 2,
53  width - x, thresh, dithers);
54  width = x;
55  }
56  x = -width;
57  ff_gradfun_filter_line_mmxext(x, dst + width, src + width, dc + width / 2,
58  thresh, dithers);
59 }
60 
61 static void gradfun_filter_line_ssse3(uint8_t *dst, const uint8_t *src, const uint16_t *dc,
62  int width, int thresh,
63  const uint16_t *dithers)
64 {
65  intptr_t x;
66  if (width & 7) {
67  // could be 10% faster if I somehow eliminated this
68  x = width & ~7;
69  ff_gradfun_filter_line_c(dst + x, src + x, dc + x / 2,
70  width - x, thresh, dithers);
71  width = x;
72  }
73  x = -width;
74  ff_gradfun_filter_line_ssse3(x, dst + width, src + width, dc + width / 2,
75  thresh, dithers);
76 }
77 
78 static void gradfun_blur_line_sse2(uint16_t *dc, uint16_t *buf, const uint16_t *buf1,
79  const uint8_t *src, int src_linesize, int width)
80 {
81  intptr_t x = -2 * width;
82  if (((intptr_t) src | src_linesize) & 15)
83  ff_gradfun_blur_line_movdqu_sse2(x, buf + width, buf1 + width,
84  dc + width, src + width * 2,
85  src + width * 2 + src_linesize);
86  else
87  ff_gradfun_blur_line_movdqa_sse2(x, buf + width, buf1 + width,
88  dc + width, src + width * 2,
89  src + width * 2 + src_linesize);
90 }
91 #endif /* HAVE_YASM */
92 
94 {
95 #if HAVE_YASM
96  int cpu_flags = av_get_cpu_flags();
97 
98  if (EXTERNAL_MMXEXT(cpu_flags))
99  gf->filter_line = gradfun_filter_line_mmxext;
100  if (EXTERNAL_SSSE3(cpu_flags))
101  gf->filter_line = gradfun_filter_line_ssse3;
102 
103  if (EXTERNAL_SSE2(cpu_flags))
104  gf->blur_line = gradfun_blur_line_sse2;
105 #endif /* HAVE_YASM */
106 }
memory handling functions
Holds instance-specific information for gradfun.
Definition: gradfun.h:28
void ff_gradfun_blur_line_movdqu_sse2(intptr_t x, uint16_t *buf, const uint16_t *buf1, uint16_t *dc, const uint8_t *src1, const uint8_t *src2)
void ff_gradfun_filter_line_ssse3(intptr_t x, uint8_t *dst, const uint8_t *src, const uint16_t *dc, int thresh, const uint16_t *dithers)
Macro definitions for various function/variable attributes.
uint8_t
#define av_cold
Definition: attributes.h:82
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:57
void ff_gradfun_blur_line_movdqa_sse2(intptr_t x, uint16_t *buf, const uint16_t *buf1, uint16_t *dc, const uint8_t *src1, const uint8_t *src2)
static const uint8_t dithers[8][8][8]
void(* blur_line)(uint16_t *dc, uint16_t *buf, const uint16_t *buf1, const uint8_t *src, int src_linesize, int width)
Definition: gradfun.h:39
#define width
void ff_gradfun_filter_line_mmxext(intptr_t x, uint8_t *dst, const uint8_t *src, const uint16_t *dc, int thresh, const uint16_t *dithers)
#define src
Definition: vp9dsp.c:530
void ff_gradfun_filter_line_c(uint8_t *dst, const uint8_t *src, const uint16_t *dc, int width, int thresh, const uint16_t *dithers)
Definition: vf_gradfun.c:57
void(* filter_line)(uint8_t *dst, const uint8_t *src, const uint16_t *dc, int width, int thresh, const uint16_t *dithers)
DSP functions.
Definition: gradfun.h:38
#define src1
Definition: h264pred.c:139
void * buf
Definition: avisynth_c.h:553
#define EXTERNAL_SSSE3(flags)
Definition: cpu.h:63
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:76
#define EXTERNAL_MMXEXT(flags)
Definition: cpu.h:55
av_cold void ff_gradfun_init_x86(GradFunContext *gf)
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method!=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt)>2){ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc){av_free(ac);returnNULL;}returnac;}in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar){ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar?ac->channels:1;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> dc