X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libswscale%2Fswscale-test.c;h=3497dffbe0bdaea622b292c78cdc28993f327b87;hb=803391f7195ba37a553026009ff989d6e2625d8f;hp=d19f521f9f1a47e90da6d5015fca4bcee6ee8294;hpb=92bfd7461cb99a736c34ab81d868c672e9812005;p=ffmpeg

diff --git a/libswscale/swscale-test.c b/libswscale/swscale-test.c
index d19f521f9f1..3497dffbe0b 100644
--- a/libswscale/swscale-test.c
+++ b/libswscale/swscale-test.c
@@ -1,20 +1,20 @@
 /*
  * 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
  */
 
@@ -25,91 +25,120 @@
 #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)==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) == PIX_FMT_GRAY8       ||     \
+     (x) == PIX_FMT_Y400A       ||     \
+     (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)
 {
-    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)
+                  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];
+    static enum PixelFormat 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, PIX_FMT_YUVA420P, srcW, srcH,
+                                    srcFormat, SWS_BILINEAR, NULL, NULL, NULL);
+        if (!srcContext) {
+            fprintf(stderr, "Failed to get %s ---> %s\n",
+                    av_pix_fmt_descriptors[PIX_FMT_YUVA420P].name,
+                    av_pix_fmt_descriptors[srcFormat].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;
 
@@ -117,95 +146,116 @@ static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
         }
     }
 
-    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",
-                av_pix_fmt_descriptors[PIX_FMT_YUVA420P].name,
-                av_pix_fmt_descriptors[srcFormat].name);
-        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",
                 av_pix_fmt_descriptors[srcFormat].name,
                 av_pix_fmt_descriptors[dstFormat].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",
-                av_pix_fmt_descriptors[dstFormat].name,
-                av_pix_fmt_descriptors[PIX_FMT_YUVA420P].name);
-        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",
+           av_pix_fmt_descriptors[srcFormat].name, srcW, srcH,
+           av_pix_fmt_descriptors[dstFormat].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);
-    }
-    if (isALPHA(srcFormat) && isALPHA(dstFormat))
-        ssdA= getSSD(ref[3], out[3], refStride[3], refStride[3], w, h);
+    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,
+                                    PIX_FMT_YUVA420P, SWS_BILINEAR,
+                                    NULL, NULL, NULL);
+        if (!outContext) {
+            fprintf(stderr, "Failed to get %s ---> %s\n",
+                    av_pix_fmt_descriptors[dstFormat].name,
+                    av_pix_fmt_descriptors[PIX_FMT_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;
+        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",
-           av_pix_fmt_descriptors[srcFormat].name, srcW, srcH,
-           av_pix_fmt_descriptors[dstFormat].name, dstW, dstH,
-           flags, ssdY, ssdU, ssdV, ssdA);
-    fflush(stdout);
+        sws_freeContext(outContext);
 
-end:
+        for (i = 0; i < 4; i++)
+            if (refStride[i])
+                av_free(out[i]);
+    }
 
-    sws_freeContext(srcContext);
+    printf(" CRC=%08x SSD=%5"PRId64 ",%5"PRId64 ",%5"PRId64 ",%5"PRId64 "\n",
+           crc, ssdY, ssdU, ssdV, ssdA);
+
+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], int w, int h)
+static void selfTest(uint8_t *ref[4], int refStride[4], int w, int h,
+                     enum PixelFormat srcFormat_in,
+                     enum PixelFormat 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 };
+    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 PixelFormat srcFormat, dstFormat;
 
-    for (srcFormat = 0; srcFormat < PIX_FMT_NB; srcFormat++) {
-        if (!sws_isSupportedInput(srcFormat) || !sws_isSupportedOutput(srcFormat))
+    for (srcFormat = srcFormat_in != PIX_FMT_NONE ? srcFormat_in : 0;
+         srcFormat < PIX_FMT_NB; srcFormat++) {
+        if (!sws_isSupportedInput(srcFormat) ||
+            !sws_isSupportedOutput(srcFormat))
             continue;
 
-        for (dstFormat = 0; dstFormat < PIX_FMT_NB; dstFormat++) {
+        for (dstFormat = dstFormat_in != PIX_FMT_NONE ? dstFormat_in : 0;
+             dstFormat < PIX_FMT_NB; dstFormat++) {
             int i, j, k;
             int res = 0;
 
-            if (!sws_isSupportedInput(dstFormat) || !sws_isSupportedOutput(dstFormat))
+            if (!sws_isSupportedInput(dstFormat) ||
+                !sws_isSupportedOutput(dstFormat))
                 continue;
 
             printf("%s -> %s\n",
@@ -213,13 +263,70 @@ static void selfTest(uint8_t *ref[4], int refStride[4], int w, int h)
                    av_pix_fmt_descriptors[dstFormat].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]);
+            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 != PIX_FMT_NONE)
+                break;
+        }
+        if (srcFormat_in != PIX_FMT_NONE)
+            break;
+    }
+}
+
+static int fileTest(uint8_t *ref[4], int refStride[4], int w, int h, FILE *fp,
+                    enum PixelFormat srcFormat_in,
+                    enum PixelFormat dstFormat_in)
+{
+    char buf[256];
+
+    while (fgets(buf, sizeof(buf), fp)) {
+        struct Results r;
+        enum PixelFormat srcFormat;
+        char srcStr[12];
+        int srcW, srcH;
+        enum PixelFormat 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 == PIX_FMT_NONE || dstFormat == PIX_FMT_NONE) {
+            fprintf(stderr, "malformed input file\n");
+            return -1;
+        }
+        if ((srcFormat_in != PIX_FMT_NONE && srcFormat_in != srcFormat) ||
+            (dstFormat_in != 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
@@ -227,34 +334,71 @@ static void selfTest(uint8_t *ref[4], int refStride[4], int w, int h)
 
 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 PixelFormat srcFormat = PIX_FMT_NONE;
+    enum PixelFormat dstFormat = 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;
     AVLFG rand;
+    int res = -1;
+    int i;
 
     if (!rgb_data || !data)
         return -1;
 
-    sws= sws_getContext(W/12, H/12, PIX_FMT_RGB32, W, H, PIX_FMT_YUVA420P, SWS_BILINEAR, NULL, NULL, NULL);
+    sws = sws_getContext(W / 12, H / 12, PIX_FMT_RGB32, W, H,
+                         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, 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 == 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 == 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;
 }