/* Option conversion */
D3DFORMAT output;
+ uint8_t *surface_cache_base;
+ uint8_t *surface_cache;
+ size_t surface_cache_size;
/* */
struct dxva_context hw;
static void DxCreateVideoConversion(vlc_va_dxva2_t *);
static void DxDestroyVideoConversion(vlc_va_dxva2_t *);
+static void CopyFromNv12(picture_t *dst, const D3DLOCKED_RECT *src,
+ uint8_t *cache, size_t cache_size,
+ unsigned width, unsigned height);
+static void CopyFromYv12(picture_t *dst, const D3DLOCKED_RECT *src,
+ uint8_t *cache, size_t cache_size,
+ unsigned width, unsigned height);
+
/* */
static int Setup(vlc_va_t *external, void **hw, vlc_fourcc_t *chroma,
int width, int height)
return VLC_SUCCESS;
}
-static void SplitUV(uint8_t *dstu, size_t dstu_pitch,
- uint8_t *dstv, size_t dstv_pitch,
- const uint8_t *src, size_t src_pitch,
- unsigned w, unsigned h)
-{
- for (unsigned y = 0; y < h; y++) {
- for (unsigned x = 0; x < w; x++) {
- dstu[x] = src[2*x+0];
- dstv[x] = src[2*x+1];
- }
- src += src_pitch;
- dstu += dstu_pitch;
- dstv += dstv_pitch;
- }
-}
-
-/* FIXME CAN_COMPILE_SSSE3 seems undefined for me */
-#if 0 && defined(CAN_COMPILE_SSSE3) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ > 0))
-//#define HAVE_SPLITUV_SSSE3
-static void SplitUVSSSE3(uint8_t *dstu, size_t dstu_pitch,
- uint8_t *dstv, size_t dstv_pitch,
- const uint8_t *src, size_t src_pitch,
- unsigned w, unsigned h)
-{
- const uint8_t maskm[] = { 0, 2, 4, 6, 8, 10, 12, 14,
- 1, 3, 5, 7, 9, 11, 13, 15 };
- for (unsigned y = 0; y < h; y++) {
- unsigned x;
-
- /* Prefetch the line */
- for (x = 0; x < 2*w; x += 64) {
- __asm__ volatile (
- "prefetchnta 0(%[src])\n"
- : : [src]"r"(((intptr_t)src & ~15)+ x));
- }
- for (x = 0; x < (w & ~31); x += 32) {
- __asm__ volatile (
- "movdqu (%[mask]), %%xmm0\n"
-
- "movdqu 0(%[src]), %%xmm1\n"
- "movdqu 16(%[src]), %%xmm2\n"
- "movdqu 32(%[src]), %%xmm3\n"
- "movdqu 48(%[src]), %%xmm4\n"
-
- "pshufb %%xmm0, %%xmm1\n"
- "pshufb %%xmm0, %%xmm2\n"
- "pshufb %%xmm0, %%xmm3\n"
- "pshufb %%xmm0, %%xmm4\n"
-
- "movq %%xmm1, 0(%[dstu])\n"
- "movq %%xmm2, 8(%[dstu])\n"
- "movhpd %%xmm1, 0(%[dstv])\n"
- "movhpd %%xmm2, 8(%[dstv])\n"
-
- "movq %%xmm3, 16(%[dstu])\n"
- "movq %%xmm4, 24(%[dstu])\n"
- "movhpd %%xmm3, 16(%[dstv])\n"
- "movhpd %%xmm4, 24(%[dstv])\n"
- : : [dstu]"r"(&dstu[x]), [dstv]"r"(&dstv[x]), [src]"r"(&src[2*x]), [mask]"r"(maskm) : "memory");
- }
- /* Remaining */
- for (; x < w; x++) {
- dstu[x] = src[2*x+0];
- dstv[x] = src[2*x+1];
- }
- src += src_pitch;
- dstu += dstu_pitch;
- dstv += dstv_pitch;
- }
- __asm__ volatile ( "emms" );
-}
-#endif
static int Extract(vlc_va_t *external, picture_t *picture, AVFrame *ff)
{
vlc_va_dxva2_t *va = vlc_va_dxva2_Get(external);
LPDIRECT3DSURFACE9 d3d = (LPDIRECT3DSURFACE9)(uintptr_t)ff->data[3];
+ if (!va->surface_cache)
+ return VLC_EGENERIC;
+
/* */
- assert(va->render == MAKEFOURCC('Y','V','1','2') ||
- va->render == MAKEFOURCC('N','V','1','2'));
assert(va->output == MAKEFOURCC('Y','V','1','2'));
/* */
return VLC_EGENERIC;
}
- /* Copy the Y plane */
- plane_t src;
- memset(&src, 0, sizeof(src));
- src.p_pixels = lock.pBits;
- src.i_pitch = lock.Pitch;
- src.i_lines = va->surface_height;
- src.i_visible_pitch = va->surface_width;
- src.i_visible_lines = va->surface_height;
- src.i_pixel_pitch = 1;
- plane_CopyPixels(&picture->p[0], &src);
-
- /* */
- src.p_pixels += src.i_pitch * src.i_lines * src.i_pixel_pitch;
-
- /* */
if (va->render == MAKEFOURCC('Y','V','1','2')) {
- src.i_pitch /= 2;
- src.i_lines /= 2;
- src.i_visible_pitch /= 2;
- src.i_visible_lines /= 2;
- for (unsigned n = 1; n < 3; n++) {
- plane_CopyPixels(&picture->p[n], &src);
- src.p_pixels += src.i_pitch * src.i_lines * src.i_pixel_pitch;
- }
+ CopyFromYv12(picture, &lock,
+ va->surface_cache, va->surface_cache_size,
+ va->surface_width, va->surface_height);
} else {
- plane_t *u = &picture->p[2];
- plane_t *v = &picture->p[1];
-
- void (*split)(uint8_t *, size_t, uint8_t *, size_t, const uint8_t *, size_t, unsigned, unsigned);
-#ifdef HAVE_SPLITUV_SSSE3
- if (vlc_CPU() & CPU_CAPABILITY_SSSE3)
- split = SplitUVSSSE3;
- else
-#endif
- split = SplitUV;
-
- split(u->p_pixels, u->i_pitch, v->p_pixels, v->i_pitch,
- src.p_pixels, src.i_pitch,
- va->surface_width/2, va->surface_height/2);
+ assert(va->render == MAKEFOURCC('N','V','1','2'));
+ CopyFromNv12(picture, &lock,
+ va->surface_cache, va->surface_cache_size,
+ va->surface_width, va->surface_height);
}
/* */
va->output = va->render;
break;
}
+ va->surface_cache_size = __MAX((va->surface_width + 0x0f) & ~ 0x0f, 4096);
+ va->surface_cache_base = malloc(16 + va->surface_cache_size);
+ va->surface_cache = &va->surface_cache_base[16 - ((intptr_t)va->surface_cache_base & 0x0f)];
}
static void DxDestroyVideoConversion(vlc_va_dxva2_t *va)
{
- VLC_UNUSED(va);
+ free(va->surface_cache_base);
+ va->surface_cache_base = NULL;
+ va->surface_cache = NULL;
+ va->surface_cache_size = 0;
+}
+
+/* Copy 64 bytes from srcp to dsp loading data with the SSE>=2 instruction load and
+ * storing data with the SSE>=2 instruction store.
+ */
+#define COPY64(dstp, srcp, load, store) \
+ asm volatile ( \
+ load " 0(%[src]), %%xmm1\n" \
+ load " 16(%[src]), %%xmm2\n" \
+ load " 32(%[src]), %%xmm3\n" \
+ load " 48(%[src]), %%xmm4\n" \
+ store " %%xmm1, 0(%[dst])\n" \
+ store " %%xmm2, 16(%[dst])\n" \
+ store " %%xmm3, 32(%[dst])\n" \
+ store " %%xmm4, 48(%[dst])\n" \
+ : : [dst]"r"(dstp), [src]"r"(srcp) : "memory")
+
+/* Execute the instruction op only if SSE2 is supported. */
+#ifdef CAN_COMPILE_SSE2
+# define ASM_SSE2(cpu, op) do { \
+ if (cpu & CPU_CAPABILITY_SSE2) \
+ asm volatile (op); \
+ } while (0)
+#else
+# define ASM_SSE2(cpu, op)
+#endif
+
+/* Optimized copy from "Uncacheable Speculative Write Combining" memory
+ * as used by some video surface.
+ * XXX It is really efficient only when SSE4.1 is available.
+ */
+static void CopyFromUswc(uint8_t *dst, size_t dst_pitch,
+ const uint8_t *src, size_t src_pitch,
+ unsigned unaligned,
+ unsigned width, unsigned height,
+ unsigned cpu)
+{
+ assert(((intptr_t)dst & 0x0f) == 0 && (dst_pitch & 0x0f) == 0);
+
+ ASM_SSE2(cpu, "mfence");
+ for (unsigned y = 0; y < height; y++) {
+ unsigned x;
+
+ for (x = 0; x < unaligned; x++)
+ dst[x] = src[x];
+
+#ifdef CAN_COMPILE_SSE4_1
+ if (cpu & CPU_CAPABILITY_SSE4_1) {
+ if (!unaligned) {
+ for (; x+63 < width; x += 64)
+ COPY64(&dst[x], &src[x], "movntdqa", "movdqa");
+ } else {
+ for (; x+63 < width; x += 64)
+ COPY64(&dst[x], &src[x], "movntdqa", "movdqu");
+ }
+ } else
+#endif
+#ifdef CAN_COMPILE_SSE2
+ if (cpu & CPU_CAPABILITY_SSE2) {
+ if (!unaligned) {
+ for (; x+63 < width; x += 64)
+ COPY64(&dst[x], &src[x], "movdqa", "movdqa");
+ } else {
+ for (; x+63 < width; x += 64)
+ COPY64(&dst[x], &src[x], "movdqa", "movdqu");
+ }
+ }
+#endif
+
+ for (; x < width; x++)
+ dst[x] = src[x];
+
+ src += src_pitch;
+ dst += dst_pitch;
+ }
+}
+
+static void Copy2d(uint8_t *dst, size_t dst_pitch,
+ const uint8_t *src, size_t src_pitch,
+ unsigned width, unsigned height,
+ unsigned cpu)
+{
+ assert(((intptr_t)src & 0x0f) == 0 && (src_pitch & 0x0f) == 0);
+
+ ASM_SSE2(cpu, "mfence");
+
+ for (unsigned y = 0; y < height; y++) {
+ unsigned x = 0;
+ bool unaligned = ((intptr_t)dst & 0x0f) != 0;
+
+#ifdef CAN_COMPILE_SSE2
+ if (cpu & CPU_CAPABILITY_SSE2) {
+ if (!unaligned) {
+ for (; x+63 < width; x += 64)
+ COPY64(&dst[x], &src[x], "movdqa", "movntdq");
+ } else {
+ for (; x+63 < width; x += 64)
+ COPY64(&dst[x], &src[x], "movdqa", "movdqu");
+ }
+ }
+#endif
+
+ for (; x < width; x++)
+ dst[x] = src[x];
+
+ src += src_pitch;
+ dst += dst_pitch;
+ }
+}
+
+static void SplitUV(uint8_t *dstu, size_t dstu_pitch,
+ uint8_t *dstv, size_t dstv_pitch,
+ const uint8_t *src, size_t src_pitch,
+ unsigned width, unsigned height, unsigned cpu)
+{
+ const uint8_t shuffle[] = { 0, 2, 4, 6, 8, 10, 12, 14,
+ 1, 3, 5, 7, 9, 11, 13, 15 };
+ const uint8_t mask[] = { 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00,
+ 0xff, 0x00, 0xff, 0x00, 0xff, 0x00, 0xff, 0x00 };
+
+ assert(((intptr_t)src & 0x0f) == 0 && (src_pitch & 0x0f) == 0);
+
+ ASM_SSE2(cpu, "mfence");
+
+ for (unsigned y = 0; y < height; y++) {
+ unsigned x = 0;
+
+#define LOAD64 \
+ "movdqa 0(%[src]), %%xmm0\n" \
+ "movdqa 16(%[src]), %%xmm1\n" \
+ "movdqa 32(%[src]), %%xmm2\n" \
+ "movdqa 48(%[src]), %%xmm3\n"
+
+#define STORE2X32 \
+ "movq %%xmm0, 0(%[dst1])\n" \
+ "movq %%xmm1, 8(%[dst1])\n" \
+ "movhpd %%xmm0, 0(%[dst2])\n" \
+ "movhpd %%xmm1, 8(%[dst2])\n" \
+ "movq %%xmm2, 16(%[dst1])\n" \
+ "movq %%xmm3, 24(%[dst1])\n" \
+ "movhpd %%xmm2, 16(%[dst2])\n" \
+ "movhpd %%xmm3, 24(%[dst2])\n"
+
+#ifdef CAN_COMPILE_SSSE3
+ if (cpu & CPU_CAPABILITY_SSSE3) {
+ for (x = 0; x < (width & ~31); x += 32) {
+ asm volatile (
+ "movdqu (%[shuffle]), %%xmm7\n"
+ LOAD64
+ "pshufb %%xmm7, %%xmm0\n"
+ "pshufb %%xmm7, %%xmm1\n"
+ "pshufb %%xmm7, %%xmm2\n"
+ "pshufb %%xmm7, %%xmm3\n"
+ STORE2X32
+ : : [dst1]"r"(&dstu[x]), [dst2]"r"(&dstv[x]), [src]"r"(&src[2*x]), [shuffle]"r"(shuffle) : "memory");
+ }
+ } else
+#endif
+#ifdef CAN_COMPILE_SSE2
+ if (cpu & CPU_CAPABILITY_SSE2) {
+ for (x = 0; x < (width & ~31); x += 32) {
+ asm volatile (
+ "movdqu (%[mask]), %%xmm7\n"
+ LOAD64
+ "movdqa %%xmm0, %%xmm4\n"
+ "movdqa %%xmm1, %%xmm5\n"
+ "movdqa %%xmm2, %%xmm6\n"
+ "psrlw $8, %%xmm0\n"
+ "psrlw $8, %%xmm1\n"
+ "pand %%xmm7, %%xmm4\n"
+ "pand %%xmm7, %%xmm5\n"
+ "pand %%xmm7, %%xmm6\n"
+ "packuswb %%xmm4, %%xmm0\n"
+ "packuswb %%xmm5, %%xmm1\n"
+ "pand %%xmm3, %%xmm7\n"
+ "psrlw $8, %%xmm2\n"
+ "psrlw $8, %%xmm3\n"
+ "packuswb %%xmm6, %%xmm2\n"
+ "packuswb %%xmm7, %%xmm3\n"
+ STORE2X32
+ : : [dst2]"r"(&dstu[x]), [dst1]"r"(&dstv[x]), [src]"r"(&src[2*x]), [mask]"r"(mask) : "memory");
+ }
+ }
+#endif
+#undef STORE2X32
+#undef LOAD64
+
+ for (; x < width; x++) {
+ dstu[x] = src[2*x+0];
+ dstv[x] = src[2*x+1];
+ }
+ src += src_pitch;
+ dstu += dstu_pitch;
+ dstv += dstv_pitch;
+ }
+}
+
+static void CopyPlane(uint8_t *dst, size_t dst_pitch, const uint8_t *src, size_t src_pitch,
+ uint8_t *cache, size_t cache_size,
+ unsigned width, unsigned height,
+ unsigned cpu)
+{
+ const unsigned w16 = (width+15) & ~15;
+ const unsigned hstep = cache_size / w16;
+ assert(hstep > 0);
+
+ for (unsigned y = 0; y < height; y += hstep) {
+ const unsigned unaligned = (intptr_t)src & 0x0f;
+ const unsigned hblock = __MIN(hstep, height - y);
+
+ /* Copy a bunch of line into our cache */
+ CopyFromUswc(cache, w16,
+ src, src_pitch,
+ unaligned,
+ width, hblock, cpu);
+
+ /* Copy from our cache to the destination */
+ Copy2d(dst, dst_pitch,
+ cache, w16,
+ width, hblock, cpu);
+
+ /* */
+ src += src_pitch * hblock;
+ dst += dst_pitch * hblock;
+ }
+
+ ASM_SSE2(cpu, "mfence");
+}
+static void SplitPlanes(uint8_t *dstu, size_t dstu_pitch,
+ uint8_t *dstv, size_t dstv_pitch,
+ const uint8_t *src, size_t src_pitch,
+ uint8_t *cache, size_t cache_size,
+ unsigned width, unsigned height,
+ unsigned cpu)
+{
+ const unsigned w2_16 = (2*width+15) & ~15;
+ const unsigned hstep = cache_size / w2_16;
+ assert(hstep > 0);
+
+ for (unsigned y = 0; y < height; y += hstep) {
+ const unsigned unaligned = (intptr_t)src & 0x0f;
+ const unsigned hblock = __MIN(hstep, height - y);
+
+ /* Copy a bunch of line into our cache */
+ CopyFromUswc(cache, w2_16,
+ src, src_pitch,
+ unaligned,
+ 2*width, hblock, cpu);
+
+ /* Copy from our cache to the destination */
+ SplitUV(dstu, dstu_pitch,
+ dstv, dstv_pitch,
+ cache, w2_16,
+ width, hblock, cpu);
+
+ /* */
+ src += src_pitch * hblock;
+ dstu += dstu_pitch * hblock;
+ dstv += dstv_pitch * hblock;
+ }
+
+ ASM_SSE2(cpu, "mfence");
}
+
+static void CopyFromNv12(picture_t *dst, const D3DLOCKED_RECT *src,
+ uint8_t *cache, size_t cache_size,
+ unsigned width, unsigned height)
+{
+ const unsigned cpu = vlc_CPU();
+
+ /* */
+ CopyPlane(dst->p[0].p_pixels, dst->p[0].i_pitch,
+ src->pBits, src->Pitch,
+ cache, cache_size,
+ width, height, cpu);
+ SplitPlanes(dst->p[2].p_pixels, dst->p[2].i_pitch,
+ dst->p[1].p_pixels, dst->p[1].i_pitch,
+ (const uint8_t*)src->pBits + src->Pitch * height, src->Pitch,
+ cache, cache_size,
+ width/2, height/2, cpu);
+
+ ASM_SSE2(cpu, "emms");
+}
+static void CopyFromYv12(picture_t *dst, const D3DLOCKED_RECT *src,
+ uint8_t *cache, size_t cache_size,
+ unsigned width, unsigned height)
+{
+ const unsigned cpu = vlc_CPU();
+
+ /* */
+ for (unsigned n = 0, offset = 0; n < 3; n++) {
+ const unsigned d = n > 0 ? 2 : 1;
+ CopyPlane(dst->p[n].p_pixels, dst->p[n].i_pitch,
+ (const uint8_t*)src->pBits + offset, src->Pitch/d,
+ cache, cache_size,
+ width/d, height/d, cpu);
+ offset += (src->Pitch/d) * (height/d);
+ }
+ ASM_SSE2(cpu, "emms");
+}
+#undef ASM_SSE2
+#undef COPY64
+
#else
vlc_va_t *vlc_va_NewDxva2(vlc_object_t *log, int codec_id)
{
projects / vlc / commitdiff