mirror of https://git.ffmpeg.org/ffmpeg.git
418 lines
14 KiB
C
418 lines
14 KiB
C
/*
|
|
* Copyright (C) 2003-2011 Michael Niedermayer <michaelni@gmx.at>
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <inttypes.h>
|
|
#include <stdarg.h>
|
|
|
|
#undef HAVE_AV_CONFIG_H
|
|
#include "libavutil/imgutils.h"
|
|
#include "libavutil/mem.h"
|
|
#include "libavutil/avutil.h"
|
|
#include "libavutil/crc.h"
|
|
#include "libavutil/pixdesc.h"
|
|
#include "libavutil/lfg.h"
|
|
#include "swscale.h"
|
|
|
|
/* HACK Duplicated from swscale_internal.h.
|
|
* Should be removed when a cleaner pixel format system exists. */
|
|
#define isGray(x) \
|
|
((x) == AV_PIX_FMT_GRAY8 || \
|
|
(x) == AV_PIX_FMT_YA8 || \
|
|
(x) == AV_PIX_FMT_GRAY16BE || \
|
|
(x) == AV_PIX_FMT_GRAY16LE || \
|
|
(x) == AV_PIX_FMT_YA16BE || \
|
|
(x) == AV_PIX_FMT_YA16LE)
|
|
#define hasChroma(x) \
|
|
(!(isGray(x) || \
|
|
(x) == AV_PIX_FMT_MONOBLACK || \
|
|
(x) == AV_PIX_FMT_MONOWHITE))
|
|
#define isALPHA(x) \
|
|
((x) == AV_PIX_FMT_BGR32 || \
|
|
(x) == AV_PIX_FMT_BGR32_1 || \
|
|
(x) == AV_PIX_FMT_RGB32 || \
|
|
(x) == AV_PIX_FMT_RGB32_1 || \
|
|
(x) == AV_PIX_FMT_YUVA420P)
|
|
|
|
static uint64_t getSSD(const uint8_t *src1, const uint8_t *src2, int stride1,
|
|
int stride2, int w, int h)
|
|
{
|
|
int x, y;
|
|
uint64_t ssd = 0;
|
|
|
|
for (y = 0; y < h; y++) {
|
|
for (x = 0; x < w; x++) {
|
|
int d = src1[x + y * stride1] - src2[x + y * stride2];
|
|
ssd += d * d;
|
|
}
|
|
}
|
|
return ssd;
|
|
}
|
|
|
|
struct Results {
|
|
uint64_t ssdY;
|
|
uint64_t ssdU;
|
|
uint64_t ssdV;
|
|
uint64_t ssdA;
|
|
uint32_t crc;
|
|
};
|
|
|
|
// test by ref -> src -> dst -> out & compare out against ref
|
|
// ref & out are YV12
|
|
static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
|
|
enum AVPixelFormat srcFormat, enum AVPixelFormat dstFormat,
|
|
int srcW, int srcH, int dstW, int dstH, int flags,
|
|
struct Results *r)
|
|
{
|
|
const AVPixFmtDescriptor *desc_yuva420p = av_pix_fmt_desc_get(AV_PIX_FMT_YUVA420P);
|
|
const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(srcFormat);
|
|
const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(dstFormat);
|
|
static enum AVPixelFormat cur_srcFormat;
|
|
static int cur_srcW, cur_srcH;
|
|
static uint8_t *src[4];
|
|
static int srcStride[4];
|
|
uint8_t *dst[4] = { 0 };
|
|
uint8_t *out[4] = { 0 };
|
|
int dstStride[4] = {0};
|
|
int i;
|
|
uint64_t ssdY, ssdU = 0, ssdV = 0, ssdA = 0;
|
|
struct SwsContext *dstContext = NULL, *outContext = NULL;
|
|
uint32_t crc = 0;
|
|
int res = 0;
|
|
|
|
if (cur_srcFormat != srcFormat || cur_srcW != srcW || cur_srcH != srcH) {
|
|
struct SwsContext *srcContext = NULL;
|
|
int p;
|
|
|
|
for (p = 0; p < 4; p++)
|
|
av_freep(&src[p]);
|
|
|
|
av_image_fill_linesizes(srcStride, srcFormat, srcW);
|
|
for (p = 0; p < 4; p++) {
|
|
srcStride[p] = FFALIGN(srcStride[p], 16);
|
|
if (srcStride[p])
|
|
src[p] = av_mallocz(srcStride[p] * srcH + 16);
|
|
if (srcStride[p] && !src[p]) {
|
|
perror("Malloc");
|
|
res = -1;
|
|
goto end;
|
|
}
|
|
}
|
|
srcContext = sws_getContext(w, h, AV_PIX_FMT_YUVA420P, srcW, srcH,
|
|
srcFormat, SWS_BILINEAR, NULL, NULL, NULL);
|
|
if (!srcContext) {
|
|
fprintf(stderr, "Failed to get %s ---> %s\n",
|
|
desc_yuva420p->name,
|
|
desc_src->name);
|
|
res = -1;
|
|
goto end;
|
|
}
|
|
sws_scale(srcContext, (const uint8_t * const*)ref, refStride, 0, h, src, srcStride);
|
|
sws_freeContext(srcContext);
|
|
|
|
cur_srcFormat = srcFormat;
|
|
cur_srcW = srcW;
|
|
cur_srcH = srcH;
|
|
}
|
|
|
|
av_image_fill_linesizes(dstStride, dstFormat, dstW);
|
|
for (i = 0; i < 4; i++) {
|
|
/* Image buffers passed into libswscale can be allocated any way you
|
|
* prefer, as long as they're aligned enough for the architecture, and
|
|
* they're freed appropriately (such as using av_free for buffers
|
|
* allocated with av_malloc). */
|
|
/* An extra 16 bytes is being allocated because some scalers may write
|
|
* out of bounds. */
|
|
dstStride[i] = FFALIGN(dstStride[i], 16);
|
|
if (dstStride[i])
|
|
dst[i] = av_mallocz(dstStride[i] * dstH + 16);
|
|
if (dstStride[i] && !dst[i]) {
|
|
perror("Malloc");
|
|
res = -1;
|
|
|
|
goto end;
|
|
}
|
|
}
|
|
|
|
dstContext = sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat,
|
|
flags, NULL, NULL, NULL);
|
|
if (!dstContext) {
|
|
fprintf(stderr, "Failed to get %s ---> %s\n",
|
|
desc_src->name, desc_dst->name);
|
|
res = -1;
|
|
goto end;
|
|
}
|
|
|
|
printf(" %s %dx%d -> %s %3dx%3d flags=%2d",
|
|
desc_src->name, srcW, srcH,
|
|
desc_dst->name, dstW, dstH,
|
|
flags);
|
|
fflush(stdout);
|
|
|
|
sws_scale(dstContext, (const uint8_t * const*)src, srcStride, 0, srcH, dst, dstStride);
|
|
|
|
for (i = 0; i < 4 && dstStride[i]; i++)
|
|
crc = av_crc(av_crc_get_table(AV_CRC_32_IEEE), crc, dst[i],
|
|
dstStride[i] * dstH);
|
|
|
|
if (r && crc == r->crc) {
|
|
ssdY = r->ssdY;
|
|
ssdU = r->ssdU;
|
|
ssdV = r->ssdV;
|
|
ssdA = r->ssdA;
|
|
} else {
|
|
for (i = 0; i < 4; i++) {
|
|
refStride[i] = FFALIGN(refStride[i], 16);
|
|
if (refStride[i])
|
|
out[i] = av_mallocz(refStride[i] * h);
|
|
if (refStride[i] && !out[i]) {
|
|
perror("Malloc");
|
|
res = -1;
|
|
goto end;
|
|
}
|
|
}
|
|
outContext = sws_getContext(dstW, dstH, dstFormat, w, h,
|
|
AV_PIX_FMT_YUVA420P, SWS_BILINEAR,
|
|
NULL, NULL, NULL);
|
|
if (!outContext) {
|
|
fprintf(stderr, "Failed to get %s ---> %s\n",
|
|
desc_dst->name,
|
|
desc_yuva420p->name);
|
|
res = -1;
|
|
goto end;
|
|
}
|
|
sws_scale(outContext, (const uint8_t * const*)dst, dstStride, 0, dstH, out, refStride);
|
|
|
|
ssdY = getSSD(ref[0], out[0], refStride[0], refStride[0], w, h);
|
|
if (hasChroma(srcFormat) && hasChroma(dstFormat)) {
|
|
//FIXME check that output is really gray
|
|
ssdU = getSSD(ref[1], out[1], refStride[1], refStride[1],
|
|
(w + 1) >> 1, (h + 1) >> 1);
|
|
ssdV = getSSD(ref[2], out[2], refStride[2], refStride[2],
|
|
(w + 1) >> 1, (h + 1) >> 1);
|
|
}
|
|
if (isALPHA(srcFormat) && isALPHA(dstFormat))
|
|
ssdA = getSSD(ref[3], out[3], refStride[3], refStride[3], w, h);
|
|
|
|
ssdY /= w * h;
|
|
ssdU /= w * h / 4;
|
|
ssdV /= w * h / 4;
|
|
ssdA /= w * h;
|
|
|
|
sws_freeContext(outContext);
|
|
|
|
for (i = 0; i < 4; i++)
|
|
if (refStride[i])
|
|
av_free(out[i]);
|
|
}
|
|
|
|
printf(" CRC=%08x SSD=%5"PRId64 ",%5"PRId64 ",%5"PRId64 ",%5"PRId64 "\n",
|
|
crc, ssdY, ssdU, ssdV, ssdA);
|
|
|
|
end:
|
|
sws_freeContext(dstContext);
|
|
|
|
for (i = 0; i < 4; i++)
|
|
if (dstStride[i])
|
|
av_free(dst[i]);
|
|
|
|
return res;
|
|
}
|
|
|
|
static void selfTest(uint8_t *ref[4], int refStride[4], int w, int h,
|
|
enum AVPixelFormat srcFormat_in,
|
|
enum AVPixelFormat dstFormat_in)
|
|
{
|
|
const int flags[] = { SWS_FAST_BILINEAR, SWS_BILINEAR, SWS_BICUBIC,
|
|
SWS_X, SWS_POINT, SWS_AREA, 0 };
|
|
const int srcW = w;
|
|
const int srcH = h;
|
|
const int dstW[] = { srcW - srcW / 3, srcW, srcW + srcW / 3, 0 };
|
|
const int dstH[] = { srcH - srcH / 3, srcH, srcH + srcH / 3, 0 };
|
|
enum AVPixelFormat srcFormat, dstFormat;
|
|
const AVPixFmtDescriptor *desc_src, *desc_dst;
|
|
|
|
for (srcFormat = srcFormat_in != AV_PIX_FMT_NONE ? srcFormat_in : 0;
|
|
srcFormat < AV_PIX_FMT_NB; srcFormat++) {
|
|
if (!sws_isSupportedInput(srcFormat) ||
|
|
!sws_isSupportedOutput(srcFormat))
|
|
continue;
|
|
|
|
desc_src = av_pix_fmt_desc_get(srcFormat);
|
|
|
|
for (dstFormat = dstFormat_in != AV_PIX_FMT_NONE ? dstFormat_in : 0;
|
|
dstFormat < AV_PIX_FMT_NB; dstFormat++) {
|
|
int i, j, k;
|
|
int res = 0;
|
|
|
|
if (!sws_isSupportedInput(dstFormat) ||
|
|
!sws_isSupportedOutput(dstFormat))
|
|
continue;
|
|
|
|
desc_dst = av_pix_fmt_desc_get(dstFormat);
|
|
|
|
printf("%s -> %s\n", desc_src->name, desc_dst->name);
|
|
fflush(stdout);
|
|
|
|
for (k = 0; flags[k] && !res; k++)
|
|
for (i = 0; dstW[i] && !res; i++)
|
|
for (j = 0; dstH[j] && !res; j++)
|
|
res = doTest(ref, refStride, w, h,
|
|
srcFormat, dstFormat,
|
|
srcW, srcH, dstW[i], dstH[j], flags[k],
|
|
NULL);
|
|
if (dstFormat_in != AV_PIX_FMT_NONE)
|
|
break;
|
|
}
|
|
if (srcFormat_in != AV_PIX_FMT_NONE)
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int fileTest(uint8_t *ref[4], int refStride[4], int w, int h, FILE *fp,
|
|
enum AVPixelFormat srcFormat_in,
|
|
enum AVPixelFormat dstFormat_in)
|
|
{
|
|
char buf[256];
|
|
|
|
while (fgets(buf, sizeof(buf), fp)) {
|
|
struct Results r;
|
|
enum AVPixelFormat srcFormat;
|
|
char srcStr[12];
|
|
int srcW = 0, srcH = 0;
|
|
enum AVPixelFormat dstFormat;
|
|
char dstStr[12];
|
|
int dstW = 0, dstH = 0;
|
|
int flags;
|
|
int ret;
|
|
|
|
ret = sscanf(buf,
|
|
" %12s %dx%d -> %12s %dx%d flags=%d CRC=%x"
|
|
" SSD=%"SCNd64 ", %"SCNd64 ", %"SCNd64 ", %"SCNd64 "\n",
|
|
srcStr, &srcW, &srcH, dstStr, &dstW, &dstH,
|
|
&flags, &r.crc, &r.ssdY, &r.ssdU, &r.ssdV, &r.ssdA);
|
|
if (ret != 12) {
|
|
srcStr[0] = dstStr[0] = 0;
|
|
ret = sscanf(buf, "%12s -> %12s\n", srcStr, dstStr);
|
|
}
|
|
|
|
srcFormat = av_get_pix_fmt(srcStr);
|
|
dstFormat = av_get_pix_fmt(dstStr);
|
|
|
|
if (srcFormat == AV_PIX_FMT_NONE || dstFormat == AV_PIX_FMT_NONE ||
|
|
srcW > 8192U || srcH > 8192U || dstW > 8192U || dstH > 8192U) {
|
|
fprintf(stderr, "malformed input file\n");
|
|
return -1;
|
|
}
|
|
if ((srcFormat_in != AV_PIX_FMT_NONE && srcFormat_in != srcFormat) ||
|
|
(dstFormat_in != AV_PIX_FMT_NONE && dstFormat_in != dstFormat))
|
|
continue;
|
|
if (ret != 12) {
|
|
printf("%s", buf);
|
|
continue;
|
|
}
|
|
|
|
doTest(ref, refStride, w, h,
|
|
srcFormat, dstFormat,
|
|
srcW, srcH, dstW, dstH, flags,
|
|
&r);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define W 96
|
|
#define H 96
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
enum AVPixelFormat srcFormat = AV_PIX_FMT_NONE;
|
|
enum AVPixelFormat dstFormat = AV_PIX_FMT_NONE;
|
|
uint8_t *rgb_data = av_malloc(W * H * 4);
|
|
const uint8_t * const rgb_src[4] = { rgb_data, NULL, NULL, NULL };
|
|
int rgb_stride[4] = { 4 * W, 0, 0, 0 };
|
|
uint8_t *data = av_malloc(4 * W * H);
|
|
uint8_t *src[4] = { data, data + W * H, data + W * H * 2, data + W * H * 3 };
|
|
int stride[4] = { W, W, W, W };
|
|
int x, y;
|
|
struct SwsContext *sws;
|
|
AVLFG rand;
|
|
int res = -1;
|
|
int i;
|
|
FILE *fp = NULL;
|
|
|
|
if (!rgb_data || !data)
|
|
return -1;
|
|
|
|
for (i = 1; i < argc; i += 2) {
|
|
if (argv[i][0] != '-' || i + 1 == argc)
|
|
goto bad_option;
|
|
if (!strcmp(argv[i], "-ref")) {
|
|
fp = fopen(argv[i + 1], "r");
|
|
if (!fp) {
|
|
fprintf(stderr, "could not open '%s'\n", argv[i + 1]);
|
|
goto error;
|
|
}
|
|
} else if (!strcmp(argv[i], "-src")) {
|
|
srcFormat = av_get_pix_fmt(argv[i + 1]);
|
|
if (srcFormat == AV_PIX_FMT_NONE) {
|
|
fprintf(stderr, "invalid pixel format %s\n", argv[i + 1]);
|
|
return -1;
|
|
}
|
|
} else if (!strcmp(argv[i], "-dst")) {
|
|
dstFormat = av_get_pix_fmt(argv[i + 1]);
|
|
if (dstFormat == AV_PIX_FMT_NONE) {
|
|
fprintf(stderr, "invalid pixel format %s\n", argv[i + 1]);
|
|
return -1;
|
|
}
|
|
} else {
|
|
bad_option:
|
|
fprintf(stderr, "bad option or argument missing (%s)\n", argv[i]);
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
sws = sws_getContext(W / 12, H / 12, AV_PIX_FMT_RGB32, W, H,
|
|
AV_PIX_FMT_YUVA420P, SWS_BILINEAR, NULL, NULL, NULL);
|
|
|
|
av_lfg_init(&rand, 1);
|
|
|
|
for (y = 0; y < H; y++)
|
|
for (x = 0; x < W * 4; x++)
|
|
rgb_data[ x + y * 4 * W] = av_lfg_get(&rand);
|
|
sws_scale(sws, rgb_src, rgb_stride, 0, H / 12, src, stride);
|
|
sws_freeContext(sws);
|
|
av_free(rgb_data);
|
|
|
|
if(fp) {
|
|
res = fileTest(src, stride, W, H, fp, srcFormat, dstFormat);
|
|
fclose(fp);
|
|
} else {
|
|
selfTest(src, stride, W, H, srcFormat, dstFormat);
|
|
res = 0;
|
|
}
|
|
error:
|
|
av_free(data);
|
|
|
|
return res;
|
|
}
|