From 7084985173ac7fa2873088aafbf9c6f1db8076d4 Mon Sep 17 00:00:00 2001
From: Nicolas George <nicolas.george@normalesup.org>
Date: Sat, 17 Mar 2012 18:55:46 +0100
Subject: [PATCH] vsrc_color: port to new drawutils API.

---
 libavfilter/vsrc_color.c | 61 ++++++++--------------------------------
 1 file changed, 12 insertions(+), 49 deletions(-)

diff --git a/libavfilter/vsrc_color.c b/libavfilter/vsrc_color.c
index 07ff78fa80..69ba8e0a6f 100644
--- a/libavfilter/vsrc_color.c
+++ b/libavfilter/vsrc_color.c
@@ -33,12 +33,11 @@
 
 typedef struct {
     int w, h;
-    uint8_t color[4];
+    uint8_t color_rgba[4];
     AVRational time_base;
-    uint8_t *line[4];
-    int      line_step[4];
-    int hsub, vsub;         ///< chroma subsampling values
     uint64_t pts;
+    FFDrawContext draw;
+    FFDrawColor color;
 } ColorContext;
 
 static av_cold int color_init(AVFilterContext *ctx, const char *args, void *opaque)
@@ -66,41 +65,15 @@ static av_cold int color_init(AVFilterContext *ctx, const char *args, void *opaq
     color->time_base.num = frame_rate_q.den;
     color->time_base.den = frame_rate_q.num;
 
-    if ((ret = av_parse_color(color->color, color_string, -1, ctx)) < 0)
+    if ((ret = av_parse_color(color->color_rgba, color_string, -1, ctx)) < 0)
         return ret;
 
     return 0;
 }
 
-static av_cold void color_uninit(AVFilterContext *ctx)
-{
-    ColorContext *color = ctx->priv;
-    int i;
-
-    for (i = 0; i < 4; i++) {
-        av_freep(&color->line[i]);
-        color->line_step[i] = 0;
-    }
-}
-
 static int query_formats(AVFilterContext *ctx)
 {
-    static const enum PixelFormat pix_fmts[] = {
-        PIX_FMT_ARGB,         PIX_FMT_RGBA,
-        PIX_FMT_ABGR,         PIX_FMT_BGRA,
-        PIX_FMT_RGB24,        PIX_FMT_BGR24,
-
-        PIX_FMT_YUV444P,      PIX_FMT_YUV422P,
-        PIX_FMT_YUV420P,      PIX_FMT_YUV411P,
-        PIX_FMT_YUV410P,      PIX_FMT_YUV440P,
-        PIX_FMT_YUVJ444P,     PIX_FMT_YUVJ422P,
-        PIX_FMT_YUVJ420P,     PIX_FMT_YUVJ440P,
-        PIX_FMT_YUVA420P,
-
-        PIX_FMT_NONE
-    };
-
-    avfilter_set_common_pixel_formats(ctx, avfilter_make_format_list(pix_fmts));
+    avfilter_set_common_pixel_formats(ctx, ff_draw_supported_pixel_formats(0));
     return 0;
 }
 
@@ -108,26 +81,18 @@ static int color_config_props(AVFilterLink *inlink)
 {
     AVFilterContext *ctx = inlink->src;
     ColorContext *color = ctx->priv;
-    uint8_t rgba_color[4];
-    int is_packed_rgba;
-    const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[inlink->format];
 
-    color->hsub = pix_desc->log2_chroma_w;
-    color->vsub = pix_desc->log2_chroma_h;
+    ff_draw_init(&color->draw, inlink->format, 0);
+    ff_draw_color(&color->draw, &color->color, color->color_rgba);
 
-    color->w &= ~((1 << color->hsub) - 1);
-    color->h &= ~((1 << color->vsub) - 1);
+    color->w = ff_draw_round_to_sub(&color->draw, 0, -1, color->w);
+    color->h = ff_draw_round_to_sub(&color->draw, 1, -1, color->h);
     if (av_image_check_size(color->w, color->h, 0, ctx) < 0)
         return AVERROR(EINVAL);
 
-    memcpy(rgba_color, color->color, sizeof(rgba_color));
-    ff_fill_line_with_color(color->line, color->line_step, color->w, color->color,
-                            inlink->format, rgba_color, &is_packed_rgba, NULL);
-
-    av_log(ctx, AV_LOG_INFO, "w:%d h:%d r:%d/%d color:0x%02x%02x%02x%02x[%s]\n",
+    av_log(ctx, AV_LOG_INFO, "w:%d h:%d r:%d/%d color:0x%02x%02x%02x%02x\n",
            color->w, color->h, color->time_base.den, color->time_base.num,
-           color->color[0], color->color[1], color->color[2], color->color[3],
-           is_packed_rgba ? "rgba" : "yuva");
+           color->color_rgba[0], color->color_rgba[1], color->color_rgba[2], color->color_rgba[3]);
     inlink->w = color->w;
     inlink->h = color->h;
     inlink->time_base = color->time_base;
@@ -144,8 +109,7 @@ static int color_request_frame(AVFilterLink *link)
     picref->pos = -1;
 
     avfilter_start_frame(link, avfilter_ref_buffer(picref, ~0));
-    ff_draw_rectangle(picref->data, picref->linesize,
-                      color->line, color->line_step, color->hsub, color->vsub,
+    ff_fill_rectangle(&color->draw, &color->color, picref->data, picref->linesize,
                       0, 0, color->w, color->h);
     avfilter_draw_slice(link, 0, color->h, 1);
     avfilter_end_frame(link);
@@ -160,7 +124,6 @@ AVFilter avfilter_vsrc_color = {
 
     .priv_size = sizeof(ColorContext),
     .init      = color_init,
-    .uninit    = color_uninit,
 
     .query_formats = query_formats,