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@ -71,10 +71,10 @@ typedef struct { |
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int hsub, vsub; |
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int nb_planes; |
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int use_bilinear; |
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uint8_t *line[4]; |
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int linestep[4]; |
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float sinx, cosx; |
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double var_values[VAR_VARS_NB]; |
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FFDrawContext draw; |
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FFDrawColor color; |
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} RotContext; |
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#define OFFSET(x) offsetof(RotContext, x) |
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@ -111,10 +111,6 @@ static av_cold int init(AVFilterContext *ctx) |
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static av_cold void uninit(AVFilterContext *ctx) |
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{ |
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RotContext *rot = ctx->priv; |
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int i; |
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for (i = 0; i < 4; i++) |
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av_freep(&rot->line[i]); |
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av_expr_free(rot->angle_expr); |
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rot->angle_expr = NULL; |
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@ -123,10 +119,14 @@ static av_cold void uninit(AVFilterContext *ctx) |
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static int query_formats(AVFilterContext *ctx) |
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{ |
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static enum PixelFormat pix_fmts[] = { |
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AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP, |
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AV_PIX_FMT_ARGB, AV_PIX_FMT_RGBA, |
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AV_PIX_FMT_ABGR, AV_PIX_FMT_BGRA, |
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AV_PIX_FMT_0RGB, AV_PIX_FMT_RGB0, |
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AV_PIX_FMT_0BGR, AV_PIX_FMT_BGR0, |
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AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24, |
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AV_PIX_FMT_GRAY8, |
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AV_PIX_FMT_YUV410P, |
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AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVJ444P, |
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AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVJ420P, |
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AV_PIX_FMT_YUVA444P, AV_PIX_FMT_YUVA420P, |
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@ -179,11 +179,13 @@ static int config_props(AVFilterLink *outlink) |
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RotContext *rot = ctx->priv; |
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AVFilterLink *inlink = ctx->inputs[0]; |
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const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(inlink->format); |
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uint8_t rgba_color[4]; |
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int is_packed_rgba, ret; |
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int ret; |
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double res; |
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char *expr; |
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ff_draw_init(&rot->draw, inlink->format, 0); |
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ff_draw_color(&rot->draw, &rot->color, rot->fillcolor); |
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rot->hsub = pixdesc->log2_chroma_w; |
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rot->vsub = pixdesc->log2_chroma_h; |
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@ -236,16 +238,6 @@ static int config_props(AVFilterLink *outlink) |
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rot->nb_planes = av_pix_fmt_count_planes(inlink->format); |
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outlink->w = rot->outw; |
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outlink->h = rot->outh; |
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memcpy(rgba_color, rot->fillcolor, sizeof(rgba_color)); |
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ff_fill_line_with_color(rot->line, rot->linestep, outlink->w, rot->fillcolor, |
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outlink->format, rgba_color, &is_packed_rgba, NULL); |
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av_log(ctx, AV_LOG_INFO, |
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"w:%d h:%d -> w:%d h:%d bgcolor:0x%02X%02X%02X%02X[%s]\n", |
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inlink->w, inlink->h, outlink->w, outlink->h, |
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rot->fillcolor[0], rot->fillcolor[1], rot->fillcolor[2], rot->fillcolor[3], |
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is_packed_rgba ? "rgba" : "yuva"); |
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return 0; |
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} |
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@ -336,8 +328,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in) |
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/* fill background */ |
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if (rot->fillcolor_enable) |
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ff_draw_rectangle(out->data, out->linesize, |
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rot->line, rot->linestep, rot->hsub, rot->vsub, |
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ff_fill_rectangle(&rot->draw, &rot->color, out->data, out->linesize, |
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0, 0, outlink->w, outlink->h); |
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for (plane = 0; plane < rot->nb_planes; plane++) { |
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@ -370,17 +361,17 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in) |
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/* the out-of-range values avoid border artifacts */ |
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if (x1 >= -1 && x1 <= inw && y1 >= -1 && y1 <= inh) { |
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uint8_t inp_inv[4]; /* interpolated input value */ |
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pout = out->data[plane] + j * out->linesize[plane] + i * rot->linestep[plane]; |
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pout = out->data[plane] + j * out->linesize[plane] + i * rot->draw.pixelstep[plane]; |
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if (rot->use_bilinear) { |
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pin = interpolate_bilinear(inp_inv, |
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in->data[plane], in->linesize[plane], rot->linestep[plane], |
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in->data[plane], in->linesize[plane], rot->draw.pixelstep[plane], |
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x, y, inw-1, inh-1); |
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} else { |
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int x2 = av_clip(x1, 0, inw-1); |
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int y2 = av_clip(y1, 0, inh-1); |
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pin = in->data[plane] + y2 * in->linesize[plane] + x2 * rot->linestep[plane]; |
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pin = in->data[plane] + y2 * in->linesize[plane] + x2 * rot->draw.pixelstep[plane]; |
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} |
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switch (rot->linestep[plane]) { |
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switch (rot->draw.pixelstep[plane]) { |
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case 1: |
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*pout = *pin; |
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break; |
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@ -395,7 +386,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *in) |
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*((uint32_t *)pout) = *((uint32_t *)pin); |
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break; |
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default: |
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memcpy(pout, pin, rot->linestep[plane]); |
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memcpy(pout, pin, rot->draw.pixelstep[plane]); |
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break; |
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} |
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} |
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Paul B Mahol
12 years ago