/*
* Copyright (C) 2003 Michael Niedermayer <michaelni@gmx.at>
*
- * This file is part of FFmpeg.
+ * This file is part of Libav.
*
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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,
+ * Libav 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
+ * License along with Libav; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdarg.h>
#undef HAVE_AV_CONFIG_H
-
-#include "libavutil/log.h"
+#include "libavutil/imgutils.h"
#include "libavutil/mem.h"
#include "libavutil/avutil.h"
-#include "libavutil/lfg.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. */
-const char *sws_format_name(enum PixelFormat format);
-#define isGray(x) ( \
- (x)==PIX_FMT_GRAY8 \
- || (x)==PIX_FMT_GRAY16BE \
- || (x)==PIX_FMT_GRAY16LE \
- )
-#define hasChroma(x) (!( \
- isGray(x) \
- || (x)==PIX_FMT_MONOBLACK \
- || (x)==PIX_FMT_MONOWHITE \
- ))
-#define isALPHA(x) ( \
- (x)==PIX_FMT_BGR32 \
- || (x)==PIX_FMT_BGR32_1 \
- || (x)==PIX_FMT_RGB32 \
- || (x)==PIX_FMT_RGB32_1 \
- || (x)==PIX_FMT_YUVA420P \
- )
-
-static uint64_t getSSD(uint8_t *src1, uint8_t *src2, int stride1, int stride2, int w, int h)
+#define isGray(x) \
+ ((x) == AV_PIX_FMT_GRAY8 || \
+ (x) == AV_PIX_FMT_Y400A || \
+ (x) == AV_PIX_FMT_GRAY16BE || \
+ (x) == AV_PIX_FMT_GRAY16LE)
+#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(uint8_t *src1, uint8_t *src2, int stride1,
+ int stride2, int w, int h)
{
- int x,y;
- uint64_t ssd=0;
-
-//printf("%d %d\n", w, 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;
-//printf("%d", abs(src1[x + y*stride1] - src2[x + y*stride2])/26 );
+ 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;
}
-//printf("\n");
}
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 PixelFormat srcFormat, enum PixelFormat dstFormat,
- int srcW, int srcH, int dstW, int dstH, int flags)
+ enum AVPixelFormat srcFormat, enum AVPixelFormat dstFormat,
+ int srcW, int srcH, int dstW, int dstH, int flags,
+ struct Results *r)
{
- uint8_t *src[4] = {0};
- uint8_t *dst[4] = {0};
- uint8_t *out[4] = {0};
- int srcStride[4], dstStride[4];
+ 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];
int i;
- uint64_t ssdY, ssdU=0, ssdV=0, ssdA=0;
- struct SwsContext *srcContext = NULL, *dstContext = NULL,
- *outContext = NULL;
- int res;
+ 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++) {
+ 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, ref, refStride, 0, h, src, srcStride);
+ sws_freeContext(srcContext);
- res = 0;
- for (i=0; i<4; i++) {
- // avoid stride % bpp != 0
- if (srcFormat==PIX_FMT_RGB24 || srcFormat==PIX_FMT_BGR24)
- srcStride[i]= srcW*3;
- else if (srcFormat==PIX_FMT_RGB48BE || srcFormat==PIX_FMT_RGB48LE)
- srcStride[i]= srcW*6;
- else
- srcStride[i]= srcW*4;
-
- if (dstFormat==PIX_FMT_RGB24 || dstFormat==PIX_FMT_BGR24)
- dstStride[i]= dstW*3;
- else if (dstFormat==PIX_FMT_RGB48BE || dstFormat==PIX_FMT_RGB48LE)
- dstStride[i]= dstW*6;
- else
- dstStride[i]= dstW*4;
+ 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). */
- src[i]= av_mallocz(srcStride[i]*srcH);
- dst[i]= av_mallocz(dstStride[i]*dstH);
- out[i]= av_mallocz(refStride[i]*h);
- if (!src[i] || !dst[i] || !out[i]) {
+ /* An extra 16 bytes is being allocated because some scalers may write
+ * out of bounds. */
+ if (dstStride[i])
+ dst[i] = av_mallocz(dstStride[i] * dstH + 16);
+ if (dstStride[i] && !dst[i]) {
perror("Malloc");
res = -1;
}
}
- srcContext= sws_getContext(w, h, PIX_FMT_YUVA420P, srcW, srcH, srcFormat, flags, NULL, NULL, NULL);
- if (!srcContext) {
- fprintf(stderr, "Failed to get %s ---> %s\n",
- sws_format_name(PIX_FMT_YUVA420P),
- sws_format_name(srcFormat));
- res = -1;
-
- goto end;
- }
- dstContext= sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat, flags, NULL, NULL, NULL);
+ dstContext = sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat,
+ flags, NULL, NULL, NULL);
if (!dstContext) {
fprintf(stderr, "Failed to get %s ---> %s\n",
- sws_format_name(srcFormat),
- sws_format_name(dstFormat));
+ desc_src->name, desc_dst->name);
res = -1;
-
goto end;
}
- outContext= sws_getContext(dstW, dstH, dstFormat, w, h, PIX_FMT_YUVA420P, flags, NULL, NULL, NULL);
- if (!outContext) {
- fprintf(stderr, "Failed to get %s ---> %s\n",
- sws_format_name(dstFormat),
- sws_format_name(PIX_FMT_YUVA420P));
- res = -1;
- goto end;
- }
-// printf("test %X %X %X -> %X %X %X\n", (int)ref[0], (int)ref[1], (int)ref[2],
-// (int)src[0], (int)src[1], (int)src[2]);
+ printf(" %s %dx%d -> %s %3dx%3d flags=%2d",
+ desc_src->name, srcW, srcH,
+ desc_dst->name, dstW, dstH,
+ flags);
+ fflush(stdout);
- sws_scale(srcContext, ref, refStride, 0, h , src, srcStride);
sws_scale(dstContext, src, srcStride, 0, srcH, dst, dstStride);
- sws_scale(outContext, 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);
+ 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++) {
+ 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, 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]);
}
- 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;
-
- printf(" %s %dx%d -> %s %4dx%4d flags=%2d SSD=%5"PRId64",%5"PRId64",%5"PRId64",%5"PRId64"\n",
- sws_format_name(srcFormat), srcW, srcH,
- sws_format_name(dstFormat), dstW, dstH,
- flags, ssdY, ssdU, ssdV, ssdA);
- fflush(stdout);
-end:
+ printf(" CRC=%08x SSD=%5"PRId64 ",%5"PRId64 ",%5"PRId64 ",%5"PRId64 "\n",
+ crc, ssdY, ssdU, ssdV, ssdA);
- sws_freeContext(srcContext);
+end:
sws_freeContext(dstContext);
- sws_freeContext(outContext);
- for (i=0; i<4; i++) {
- av_free(src[i]);
- av_free(dst[i]);
- av_free(out[i]);
- }
+ 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], enum PixelFormat srcFormat, enum PixelFormat dstFormat, int w, int h)
+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;
- int i, j, k, res = 0;
- const int dstW[] = { srcW - srcW/3, srcW, srcW + srcW/3, 0 };
- const int dstH[] = { srcH - srcH/3, srcH, srcH + srcH/3, 0 };
-
- printf("%s -> %s\n",
- sws_format_name(srcFormat),
- sws_format_name(dstFormat));
+ 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 (i = 0; dstW[i] && !res; i++)
- for (j = 0; dstH[j] && !res; j++)
- for (k = 0; flags[k] && !res; k++)
- res = doTest(ref, refStride, w, h, srcFormat, dstFormat,
- srcW, srcH, dstW[i], dstH[j], flags[k]|SWS_PRINT_INFO);
+ 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, srcH;
+ enum AVPixelFormat dstFormat;
+ char dstStr[12];
+ int dstW, dstH;
+ int flags;
+ int ret;
+
+ ret = sscanf(buf,
+ " %12s %dx%d -> %12s %dx%d flags=%d CRC=%x"
+ " SSD=%"PRId64 ", %"PRId64 ", %"PRId64 ", %"PRId64 "\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) {
+ 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
int main(int argc, char **argv)
{
- uint8_t *rgb_data = av_malloc (W*H*4);
- uint8_t *rgb_src[3]= {rgb_data, NULL, NULL};
- int rgb_stride[3]={4*W, 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};
+ enum AVPixelFormat srcFormat = AV_PIX_FMT_NONE;
+ enum AVPixelFormat dstFormat = AV_PIX_FMT_NONE;
+ uint8_t *rgb_data = av_malloc(W * H * 4);
+ uint8_t *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;
- enum PixelFormat srcFmt, dstFmt;
AVLFG rand;
+ int res = -1;
+ int i;
- av_log_set_level(AV_LOG_INFO);
-
- if (argc < 3) {
- fprintf(stderr, "Usage: swscale-test SRC_PIX_FMT DST_PIX_FMT\n");
- return -1;
- }
- if ((srcFmt = av_get_pix_fmt(argv[1])) == PIX_FMT_NONE) {
- fprintf(stderr, "Unknown pixel input format name: '%s'\n", argv[1]);
- return -1;
- }
- if ((dstFmt = av_get_pix_fmt(argv[2])) == PIX_FMT_NONE) {
- fprintf(stderr, "Unknown pixel output format name: '%s'\n", argv[2]);
- return -1;
- }
if (!rgb_data || !data)
return -1;
- sws= sws_getContext(W/12, H/12, PIX_FMT_RGB32, W, H, PIX_FMT_YUVA420P,
- SWS_BILINEAR|SWS_PRINT_INFO, NULL, NULL, NULL);
+ 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);
- }
- }
+ 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, src, stride);
sws_freeContext(sws);
av_free(rgb_data);
- selfTest(src, stride, srcFmt, dstFmt, W, H);
+ for (i = 1; i < argc; i += 2) {
+ if (argv[i][0] != '-' || i + 1 == argc)
+ goto bad_option;
+ if (!strcmp(argv[i], "-ref")) {
+ FILE *fp = fopen(argv[i + 1], "r");
+ if (!fp) {
+ fprintf(stderr, "could not open '%s'\n", argv[i + 1]);
+ goto error;
+ }
+ res = fileTest(src, stride, W, H, fp, srcFormat, dstFormat);
+ fclose(fp);
+ goto end;
+ } 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;
+ }
+ }
+
+ selfTest(src, stride, W, H, srcFormat, dstFormat);
+end:
+ res = 0;
+error:
av_free(data);
- return 0;
+ return res;
}
projects / ffmpeg / blobdiff