tests: Move all test programs to a subdirectory

3 files changed, 577 insertions, 0 deletions

diff --git a/libswscale/tests/.gitignore b/libswscale/tests/.gitignore
new file mode 100644
index 0000000000..0ac3691ecd
--- /dev/null
+++ b/libswscale/tests/.gitignore
@@ -0,0 +1,2 @@
+/colorspace
+/swscale
diff --git a/libswscale/tests/colorspace.c b/libswscale/tests/colorspace.c
new file mode 100644
index 0000000000..962b11a857
--- /dev/null
+++ b/libswscale/tests/colorspace.c
@@ -0,0 +1,163 @@
+/*
+ * Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of Libav.
+ *
+ * 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.
+ *
+ * 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 Libav; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdio.h>
+#include <string.h>              /* for memset() */
+#include <stdlib.h>
+#include <inttypes.h>
+
+#include "libavutil/mem.h"
+
+#include "libswscale/rgb2rgb.h"
+#include "libswscale/swscale.h"
+
+#define SIZE    1000
+#define srcByte 0x55
+#define dstByte 0xBB
+
+#define FUNC(s, d, n) { s, d, #n, n }
+
+int main(void)
+{
+    int i, funcNum;
+    uint8_t *srcBuffer = av_malloc(SIZE);
+    uint8_t *dstBuffer = av_malloc(SIZE);
+    int failedNum      = 0;
+    int passedNum      = 0;
+
+    if (!srcBuffer || !dstBuffer)
+        return -1;
+
+    av_log(NULL, AV_LOG_INFO, "memory corruption test ...\n");
+    sws_rgb2rgb_init();
+
+    for (funcNum = 0; ; funcNum++) {
+        struct func_info_s {
+            int src_bpp;
+            int dst_bpp;
+            const char *name;
+            void (*func)(const uint8_t *src, uint8_t *dst, int src_size);
+        } func_info[] = {
+            FUNC(2, 2, rgb15to16),
+            FUNC(2, 3, rgb15to24),
+            FUNC(2, 4, rgb15to32),
+            FUNC(2, 3, rgb16to24),
+            FUNC(2, 4, rgb16to32),
+            FUNC(3, 2, rgb24to15),
+            FUNC(3, 2, rgb24to16),
+            FUNC(3, 4, rgb24to32),
+            FUNC(4, 2, rgb32to15),
+            FUNC(4, 2, rgb32to16),
+            FUNC(4, 3, rgb32to24),
+            FUNC(2, 2, rgb16to15),
+            FUNC(2, 2, rgb15tobgr15),
+            FUNC(2, 2, rgb15tobgr16),
+            FUNC(2, 3, rgb15tobgr24),
+            FUNC(2, 4, rgb15tobgr32),
+            FUNC(2, 2, rgb16tobgr15),
+            FUNC(2, 2, rgb16tobgr16),
+            FUNC(2, 3, rgb16tobgr24),
+            FUNC(2, 4, rgb16tobgr32),
+            FUNC(3, 2, rgb24tobgr15),
+            FUNC(3, 2, rgb24tobgr16),
+            FUNC(3, 3, rgb24tobgr24),
+            FUNC(3, 4, rgb24tobgr32),
+            FUNC(4, 2, rgb32tobgr15),
+            FUNC(4, 2, rgb32tobgr16),
+            FUNC(4, 3, rgb32tobgr24),
+            FUNC(4, 4, shuffle_bytes_2103), /* rgb32tobgr32 */
+            FUNC(0, 0, NULL)
+        };
+        int width;
+        int failed = 0;
+        int srcBpp = 0;
+        int dstBpp = 0;
+
+        if (!func_info[funcNum].func)
+            break;
+
+        av_log(NULL, AV_LOG_INFO, ".");
+        memset(srcBuffer, srcByte, SIZE);
+
+        for (width = 63; width > 0; width--) {
+            int dstOffset;
+            for (dstOffset = 128; dstOffset < 196; dstOffset += 4) {
+                int srcOffset;
+                memset(dstBuffer, dstByte, SIZE);
+
+                for (srcOffset = 128; srcOffset < 196; srcOffset += 4) {
+                    uint8_t *src     = srcBuffer + srcOffset;
+                    uint8_t *dst     = dstBuffer + dstOffset;
+                    const char *name = NULL;
+
+                    // don't fill the screen with shit ...
+                    if (failed)
+                        break;
+
+                    srcBpp = func_info[funcNum].src_bpp;
+                    dstBpp = func_info[funcNum].dst_bpp;
+                    name   = func_info[funcNum].name;
+
+                    func_info[funcNum].func(src, dst, width * srcBpp);
+
+                    if (!srcBpp)
+                        break;
+
+                    for (i = 0; i < SIZE; i++) {
+                        if (srcBuffer[i] != srcByte) {
+                            av_log(NULL, AV_LOG_INFO,
+                                   "src damaged at %d w:%d src:%d dst:%d %s\n",
+                                   i, width, srcOffset, dstOffset, name);
+                            failed = 1;
+                            break;
+                        }
+                    }
+                    for (i = 0; i < dstOffset; i++) {
+                        if (dstBuffer[i] != dstByte) {
+                            av_log(NULL, AV_LOG_INFO,
+                                   "dst damaged at %d w:%d src:%d dst:%d %s\n",
+                                   i, width, srcOffset, dstOffset, name);
+                            failed = 1;
+                            break;
+                        }
+                    }
+                    for (i = dstOffset + width * dstBpp; i < SIZE; i++) {
+                        if (dstBuffer[i] != dstByte) {
+                            av_log(NULL, AV_LOG_INFO,
+                                   "dst damaged at %d w:%d src:%d dst:%d %s\n",
+                                   i, width, srcOffset, dstOffset, name);
+                            failed = 1;
+                            break;
+                        }
+                    }
+                }
+            }
+        }
+        if (failed)
+            failedNum++;
+        else if (srcBpp)
+            passedNum++;
+    }
+
+    av_log(NULL, AV_LOG_INFO,
+           "\n%d converters passed, %d converters randomly overwrote memory\n",
+           passedNum, failedNum);
+    return failedNum;
+}
diff --git a/libswscale/tests/swscale.c b/libswscale/tests/swscale.c
new file mode 100644
index 0000000000..309ef812c7
--- /dev/null
+++ b/libswscale/tests/swscale.c
@@ -0,0 +1,412 @@
+/*
+ * Copyright (C) 2003 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of Libav.
+ *
+ * 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.
+ *
+ * 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 Libav; 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 "libswscale/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(uint8_t *src1, 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];
+    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++) {
+            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);
+
+        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. */
+        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, 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++) {
+            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]);
+    }
+
+    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, 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
+#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);
+    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, 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, src, stride);
+    sws_freeContext(sws);
+    av_free(rgb_data);
+
+    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 res;
+}