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lavfi/drawutils: support NV12 and NV21
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@ -205,8 +205,6 @@ int ff_draw_init(FFDrawContext *draw, enum AVPixelFormat format, unsigned flags)
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return AVERROR(ENOSYS);
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nb_planes = FFMAX(nb_planes, c->plane + 1);
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}
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if ((desc->log2_chroma_w || desc->log2_chroma_h) && nb_planes < 3)
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return AVERROR(ENOSYS); /* exclude NV12 and NV21 */
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memset(draw, 0, sizeof(*draw));
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draw->desc = desc;
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draw->format = format;
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@ -214,7 +212,7 @@ int ff_draw_init(FFDrawContext *draw, enum AVPixelFormat format, unsigned flags)
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memcpy(draw->pixelstep, pixelstep, sizeof(draw->pixelstep));
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draw->hsub[1] = draw->hsub[2] = draw->hsub_max = desc->log2_chroma_w;
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draw->vsub[1] = draw->vsub[2] = draw->vsub_max = desc->log2_chroma_h;
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for (i = 0; i < ((desc->nb_components - 1) | 1); i++)
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for (i = 0; i < (desc->nb_components - !!(desc->flags & AV_PIX_FMT_FLAG_ALPHA)); i++)
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draw->comp_mask[desc->comp[i].plane] |=
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1 << desc->comp[i].offset;
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return 0;
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@ -243,20 +241,21 @@ void ff_draw_color(FFDrawContext *draw, FFDrawColor *color, const uint8_t rgba[4
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color->comp[rgba_map[i]].u16[0] = color->comp[rgba_map[i]].u8[0] << (draw->desc->comp[rgba_map[i]].depth - 8);
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}
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}
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} else if (draw->nb_planes == 3 || draw->nb_planes == 4) {
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} else if (draw->nb_planes >= 2) {
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/* assume YUV */
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color->comp[0].u8[0] = RGB_TO_Y_CCIR(rgba[0], rgba[1], rgba[2]);
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color->comp[1].u8[0] = RGB_TO_U_CCIR(rgba[0], rgba[1], rgba[2], 0);
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color->comp[2].u8[0] = RGB_TO_V_CCIR(rgba[0], rgba[1], rgba[2], 0);
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const AVPixFmtDescriptor *desc = draw->desc;
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color->comp[desc->comp[0].plane].u8[desc->comp[0].offset] = RGB_TO_Y_CCIR(rgba[0], rgba[1], rgba[2]);
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color->comp[desc->comp[1].plane].u8[desc->comp[1].offset] = RGB_TO_U_CCIR(rgba[0], rgba[1], rgba[2], 0);
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color->comp[desc->comp[2].plane].u8[desc->comp[2].offset] = RGB_TO_V_CCIR(rgba[0], rgba[1], rgba[2], 0);
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color->comp[3].u8[0] = rgba[3];
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if (draw->desc->comp[0].depth > 8)
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color->comp[0].u16[0] = color->comp[0].u8[0] << (draw->desc->comp[0].depth - 8);
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if (draw->desc->comp[1].depth > 8)
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color->comp[1].u16[0] = color->comp[1].u8[0] << (draw->desc->comp[1].depth - 8);
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if (draw->desc->comp[2].depth > 8)
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color->comp[2].u16[0] = color->comp[2].u8[0] << (draw->desc->comp[2].depth - 8);
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if (draw->desc->comp[3].depth > 8)
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color->comp[3].u16[0] = color->comp[3].u8[0] << (draw->desc->comp[3].depth - 8);
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#define EXPAND(compn) \
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if (desc->comp[compn].depth > 8) \
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color->comp[desc->comp[compn].plane].u16[desc->comp[compn].offset] = \
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color->comp[desc->comp[compn].plane].u8[desc->comp[compn].offset] << (draw->desc->comp[compn].depth - 8)
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EXPAND(3);
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EXPAND(2);
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EXPAND(1);
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EXPAND(0);
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} else if (draw->format == AV_PIX_FMT_GRAY8 || draw->format == AV_PIX_FMT_GRAY8A) {
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color->comp[0].u8[0] = RGB_TO_Y_CCIR(rgba[0], rgba[1], rgba[2]);
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color->comp[1].u8[0] = rgba[3];
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@ -450,7 +449,7 @@ void ff_blend_rectangle(FFDrawContext *draw, FFDrawColor *color,
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/* 0x101 * alpha is in the [ 2 ; 0x1001] range */
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alpha = 0x101 * color->rgba[3] + 0x2;
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}
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nb_planes = (draw->nb_planes - 1) | 1; /* eliminate alpha */
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nb_planes = draw->nb_planes - !!(draw->desc->flags & AV_PIX_FMT_FLAG_ALPHA);
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for (plane = 0; plane < nb_planes; plane++) {
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nb_comp = draw->pixelstep[plane];
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p0 = pointer_at(draw, dst, dst_linesize, plane, x0, y0);
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@ -627,7 +626,7 @@ void ff_blend_mask(FFDrawContext *draw, FFDrawColor *color,
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} else {
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alpha = (0x101 * color->rgba[3] + 0x2) >> 8;
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}
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nb_planes = (draw->nb_planes - 1) | 1; /* eliminate alpha */
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nb_planes = draw->nb_planes - !!(draw->desc->flags & AV_PIX_FMT_FLAG_ALPHA);
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for (plane = 0; plane < nb_planes; plane++) {
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nb_comp = draw->pixelstep[plane];
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p0 = pointer_at(draw, dst, dst_linesize, plane, x0, y0);
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@ -13,6 +13,8 @@ gbrp14le 9ae804cf217bec0a737c36c20573cbe5
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gbrp9le 9a86dab5661c213ce2b7e00ae48b4d1f
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gray ddc663a0491df3959d9c5795dceaa72e
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gray16le 468bda6155bdc7a7a20c34d6e599fd16
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nv12 381574979cb04be10c9168540310afad
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nv21 0fdeb2cdd56cf5a7147dc273456fa217
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rgb0 78d500c8361ab6423a4826a00268c908
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rgb24 17f9e2e0c609009acaf2175c42d4a2a5
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rgba b157c90191463d34fb3ce77b36c96386
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