diff options
Diffstat (limited to 'ffmpeg/libswscale/swscale-test.c')
| -rw-r--r-- | ffmpeg/libswscale/swscale-test.c | 415 |
1 files changed, 0 insertions, 415 deletions
diff --git a/ffmpeg/libswscale/swscale-test.c b/ffmpeg/libswscale/swscale-test.c deleted file mode 100644 index e0b887e..0000000 --- a/ffmpeg/libswscale/swscale-test.c +++ /dev/null @@ -1,415 +0,0 @@ -/* - * 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_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(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, 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=%"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, 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; -} |