int main() { int i, n, coded_len, out_len, a, amp; memset(pad1, 0xff, 4); /* Memory overwrite test */ memset(pad2, 0xff, 4); memset(pad3, 0xff, 4); srandom(123213); for(n = 0; n < NUM_TESTS; n++) { amp = (random() &0x0f); for(i = 0; i< 80; i++) { a = (int)(amp * sin(M_PI * 2.0 * (float)i/16.0)); assert(abs(a) < 16); src[i] = (a << 4) & 0xf0; a = amp; assert(abs(a) < 16); src[i] |= (a & 0x0f); } memcpy(safe, src, 80); coded_len = vdvi_encode(src, 160, coded, 160); assert(!memcmp(src,safe,80)); check_padding(); out_len = vdvi_decode(coded, 160, dst, 160); assert(!memcmp(src,safe,80)); assert(!memcmp(dst,safe,80)); /* dst matches sources */ assert(coded_len == out_len); check_padding(); for(i = 0; i< 80; i++) { assert(src[i] == dst[i]); } if (0 == (n % 1000)) { printf("."); fflush(stdout); } } printf("\nTested %d frames\n", n); return 1; }
int /* Returns number of bytes in in_bytes used to generate dvi_samples */ vdvi_decode(bitstream_t *bs, unsigned char *dvi_buf, unsigned int dvi_samples) { u_char cw, cb; unsigned int i, j, bytes_used; /* This code is ripe for optimization ... */ assert(dvi_samples == VDVI_SAMPLES_PER_FRAME); for(j = 0; j < dvi_samples; j++) { #ifdef TEST_DVI check_padding(); #endif cb = 2; cw = bs_get(bs, 2); do { for(i = 0; i < 16; i++) { if (dmap_bits[i] != cb) continue; if (dmap[i] == cw) goto dvi_out_pack; } cb++; cw <<=1; cw |= bs_get(bs, 1); assert(cb <= 8); #ifdef TEST_DVI check_padding(); #endif } while(1); dvi_out_pack: #ifdef TEST_DVI check_padding(); #endif if (j & 0x01) { dvi_buf[j/2] |= i; } else { dvi_buf[j/2] = i << 4; } #ifdef TEST_DVI check_padding(); #endif } bytes_used = bs_bytes_used(bs); assert(bytes_used <= dvi_samples); return bytes_used; }
static void* set_padding(size_t size, size_t padding) { size_t halfPad = (padding + 1) / 2; BYTE* psrc; BYTE* src = calloc(1, size + 2 * halfPad); if (!src) return NULL; memset(&src[0], 'A', halfPad); memset(&src[halfPad + size], 'A', halfPad); psrc = &src[halfPad]; if (!check_padding(psrc, size, padding, "init")) { free(src); return NULL; } return psrc; }
static BOOL TestPrimitiveYUV(BOOL use444) { BOOL rc = FALSE; UINT32 x, y; UINT32 awidth, aheight; BYTE* yuv[3] = {0}; UINT32 yuv_step[3]; prim_size_t roi; BYTE* rgb = NULL; BYTE* rgb_dst = NULL; size_t size; primitives_t* prims = primitives_get(); size_t uvsize, uvwidth; size_t padding = 10000; size_t stride; get_size(&roi.width, &roi.height); /* Buffers need to be 16x16 aligned. */ awidth = roi.width + 16 - roi.width % 16; aheight = roi.height + 16 - roi.height % 16; stride = awidth * sizeof(UINT32); size = awidth * aheight; if (use444) { uvwidth = awidth; uvsize = size; if (!prims || !prims->RGBToYUV444_8u_P3AC4R || !prims->YUV444ToRGB_8u_P3AC4R) return FALSE; } else { uvwidth = (awidth + 1) / 2; uvsize = (aheight + 1) / 2 * uvwidth; if (!prims || !prims->RGBToYUV420_8u_P3AC4R || !prims->YUV420ToRGB_8u_P3AC4R) return FALSE; } fprintf(stderr, "Running AVC%s on frame size %"PRIu32"x%"PRIu32"\n", use444 ? "444" : "420", roi.width, roi.height); /* Test RGB to YUV444 conversion and vice versa */ if (!(rgb = set_padding(size * sizeof(UINT32), padding))) goto fail; if (!(rgb_dst = set_padding(size * sizeof(UINT32), padding))) goto fail; if (!(yuv[0] = set_padding(size, padding))) goto fail; if (!(yuv[1] = set_padding(uvsize, padding))) goto fail; if (!(yuv[2] = set_padding(uvsize, padding))) goto fail; for (y = 0; y < roi.height; y++) { BYTE* line = &rgb[y * stride]; for (x = 0; x < roi.width; x++) { line[x * 4 + 0] = 0x81; line[x * 4 + 1] = 0x33; line[x * 4 + 2] = 0xAB; line[x * 4 + 3] = 0xFF; } } yuv_step[0] = awidth; yuv_step[1] = uvwidth; yuv_step[2] = uvwidth; if (use444) { if (prims->RGBToYUV444_8u_P3AC4R(rgb, PIXEL_FORMAT_BGRA32, stride, yuv, yuv_step, &roi) != PRIMITIVES_SUCCESS) goto fail; } else if (prims->RGBToYUV420_8u_P3AC4R(rgb, PIXEL_FORMAT_BGRA32, stride, yuv, yuv_step, &roi) != PRIMITIVES_SUCCESS) goto fail; if (!check_padding(rgb, size * sizeof(UINT32), padding, "rgb")) goto fail; if ((!check_padding(yuv[0], size, padding, "Y")) || (!check_padding(yuv[1], uvsize, padding, "U")) || (!check_padding(yuv[2], uvsize, padding, "V"))) goto fail; if (use444) { if (prims->YUV444ToRGB_8u_P3AC4R((const BYTE**)yuv, yuv_step, rgb_dst, stride, PIXEL_FORMAT_BGRA32, &roi) != PRIMITIVES_SUCCESS) goto fail; } else if (prims->YUV420ToRGB_8u_P3AC4R((const BYTE**)yuv, yuv_step, rgb_dst, stride, PIXEL_FORMAT_BGRA32, &roi) != PRIMITIVES_SUCCESS) goto fail; if (!check_padding(rgb_dst, size * sizeof(UINT32), padding, "rgb dst")) goto fail; if ((!check_padding(yuv[0], size, padding, "Y")) || (!check_padding(yuv[1], uvsize, padding, "U")) || (!check_padding(yuv[2], uvsize, padding, "V"))) goto fail; for (y = 0; y < roi.height; y++) { BYTE* srgb = &rgb[y * stride]; BYTE* drgb = &rgb_dst[y * stride]; if (!similar(srgb, drgb, roi.width * sizeof(UINT32))) goto fail; } rc = TRUE; fail: free_padding(rgb, padding); free_padding(rgb_dst, padding); free_padding(yuv[0], padding); free_padding(yuv[1], padding); free_padding(yuv[2], padding); return rc; }
/* Create 2 pseudo YUV420 frames of same size. * Combine them and check, if the data is at the expected position. */ static BOOL TestPrimitiveYUVCombine(void) { UINT32 x, y, i; UINT32 awidth, aheight; BOOL rc = FALSE; BYTE* luma[3] = { 0 }; BYTE* chroma[3] = { 0 }; BYTE* yuv[3] = { 0 }; BYTE* pmain[3] = { 0 }; BYTE* paux[3] = { 0 }; UINT32 lumaStride[3]; UINT32 chromaStride[3]; UINT32 yuvStride[3]; size_t padding = 10000; prim_size_t roi; primitives_t* prims = primitives_get(); get_size(&roi.width, &roi.height); awidth = roi.width + 16 - roi.width % 16; aheight = roi.height + 16 - roi.height % 16; fprintf(stderr, "Running YUVCombine on frame size %"PRIu32"x%"PRIu32" [%"PRIu32"x%"PRIu32"]\n", roi.width, roi.height, awidth, aheight); if (!prims || !prims->YUV420CombineToYUV444) goto fail; for (x = 0; x < 3; x++) { size_t halfStride = ((x > 0) ? awidth / 2 : awidth); size_t size = aheight * awidth; size_t halfSize = ((x > 0) ? halfStride * aheight / 2 : awidth * aheight); yuvStride[x] = awidth; if (!(yuv[x] = set_padding(size, padding))) goto fail; lumaStride[x] = halfStride; if (!(luma[x] = set_padding(halfSize, padding))) goto fail; if (!(pmain[x] = set_padding(halfSize, padding))) goto fail; chromaStride[x] = halfStride; if (!(chroma[x] = set_padding(halfSize, padding))) goto fail; if (!(paux[x] = set_padding(halfSize, padding))) goto fail; memset(luma[x], 0xAB + 3 * x, halfSize); memset(chroma[x], 0x80 + 2 * x, halfSize); if (!check_padding(luma[x], halfSize, padding, "luma")) goto fail; if (!check_padding(chroma[x], halfSize, padding, "chroma")) goto fail; if (!check_padding(pmain[x], halfSize, padding, "main")) goto fail; if (!check_padding(paux[x], halfSize, padding, "aux")) goto fail; if (!check_padding(yuv[x], size, padding, "yuv")) goto fail; } if (prims->YUV420CombineToYUV444((const BYTE**)luma, lumaStride, (const BYTE**)chroma, chromaStride, yuv, yuvStride, &roi) != PRIMITIVES_SUCCESS) goto fail; for (x = 0; x < 3; x++) { size_t halfStride = ((x > 0) ? awidth / 2 : awidth); size_t size = aheight * awidth; size_t halfSize = ((x > 0) ? halfStride * aheight / 2 : awidth * aheight); if (!check_padding(luma[x], halfSize, padding, "luma")) goto fail; if (!check_padding(chroma[x], halfSize, padding, "chroma")) goto fail; if (!check_padding(yuv[x], size, padding, "yuv")) goto fail; } if (prims->YUV444SplitToYUV420((const BYTE**)yuv, yuvStride, pmain, lumaStride, paux, chromaStride, &roi) != PRIMITIVES_SUCCESS) goto fail; for (x = 0; x < 3; x++) { size_t halfStride = ((x > 0) ? awidth / 2 : awidth); size_t size = aheight * awidth; size_t halfSize = ((x > 0) ? halfStride * aheight / 2 : awidth * aheight); if (!check_padding(pmain[x], halfSize, padding, "main")) goto fail; if (!check_padding(paux[x], halfSize, padding, "aux")) goto fail; if (!check_padding(yuv[x], size, padding, "yuv")) goto fail; } for (i = 0; i < 3; i++) { for (y = 0; y < roi.height; y++) { UINT32 w = roi.width; UINT32 lstride = lumaStride[i]; UINT32 cstride = chromaStride[i]; if (i > 0) { w = (roi.width + 3) / 4; if (roi.height > (roi.height + 1) / 2) continue; } if (!similar(luma[i] + y * lstride, pmain[i] + y * lstride, w)) goto fail; /* Need to ignore lines of destination Y plane, * if the lines are not a multiple of 16 * as the UV planes are packed in 8 line stripes. */ if (i == 0) { /* TODO: This check is not perfect, it does not * include the last V lines packed to the Y * frame. */ UINT32 rem = roi.height % 16; if (y > roi.height - rem) continue; } if (!similar(chroma[i] + y * cstride, paux[i] + y * cstride, w)) goto fail; } } rc = TRUE; fail: for (x = 0; x < 3; x++) { free_padding(yuv[x], padding); free_padding(luma[x], padding); free_padding(chroma[x], padding); free_padding(pmain[x], padding); free_padding(paux[x], padding); } return rc; }