avfilter: Constify all AVFilters

[ffmpeg] / libavfilter / vf_palettegen.c

diff --git a/libavfilter/vf_palettegen.c b/libavfilter/vf_palettegen.c
index 5ff73e6b2b0d9cd7b69fb8102cc47961dd62a8df..ef8bc181c53841cd1af98e3263538d7fe548fabe 100644 (file)
--- a/libavfilter/vf_palettegen.c
+++ b/libavfilter/vf_palettegen.c
@@ -83,7 +83,7 @@ typedef struct PaletteGenContext {
 static const AVOption palettegen_options[] = {
     { "max_colors", "set the maximum number of colors to use in the palette", OFFSET(max_colors), AV_OPT_TYPE_INT, {.i64=256}, 4, 256, FLAGS },
     { "reserve_transparent", "reserve a palette entry for transparency", OFFSET(reserve_transparent), AV_OPT_TYPE_BOOL, {.i64=1}, 0, 1, FLAGS },
-    { "transparency_color", "set a background color for transparency", OFFSET(transparency_color), AV_OPT_TYPE_COLOR, {.str="lime"}, CHAR_MIN, CHAR_MAX, FLAGS },
+    { "transparency_color", "set a background color for transparency", OFFSET(transparency_color), AV_OPT_TYPE_COLOR, {.str="lime"}, 0, 0, FLAGS },
     { "stats_mode", "set statistics mode", OFFSET(stats_mode), AV_OPT_TYPE_INT, {.i64=STATS_MODE_ALL_FRAMES}, 0, NB_STATS_MODE-1, FLAGS, "mode" },
         { "full", "compute full frame histograms", 0, AV_OPT_TYPE_CONST, {.i64=STATS_MODE_ALL_FRAMES}, INT_MIN, INT_MAX, FLAGS, "mode" },
         { "diff", "compute histograms only for the part that differs from previous frame", 0, AV_OPT_TYPE_CONST, {.i64=STATS_MODE_DIFF_FRAMES}, INT_MIN, INT_MAX, FLAGS, "mode" },
@@ -99,9 +99,9 @@ static int query_formats(AVFilterContext *ctx)
     static const enum AVPixelFormat out_fmts[] = {AV_PIX_FMT_RGB32, AV_PIX_FMT_NONE};
     int ret;
 
-    if ((ret = ff_formats_ref(ff_make_format_list(in_fmts) , &ctx->inputs[0]->out_formats)) < 0)
+    if ((ret = ff_formats_ref(ff_make_format_list(in_fmts) , &ctx->inputs[0]->outcfg.formats)) < 0)
         return ret;
-    if ((ret = ff_formats_ref(ff_make_format_list(out_fmts), &ctx->outputs[0]->in_formats)) < 0)
+    if ((ret = ff_formats_ref(ff_make_format_list(out_fmts), &ctx->outputs[0]->incfg.formats)) < 0)
         return ret;
     return 0;
 }
@@ -245,7 +245,7 @@ static void write_palette(AVFilterContext *ctx, AVFrame *out)
                     av_log(ctx, AV_LOG_WARNING, "Dupped color: %08"PRIX32"\n", pal[x]);
                 last_color = pal[x];
             } else {
-                pal[x] = 0xff000000; // pad with black
+                pal[x] = last_color; // pad with last color
             }
         }
         pal += pal_linesize;
@@ -570,7 +570,7 @@ static const AVFilterPad palettegen_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_vf_palettegen = {
+const AVFilter ff_vf_palettegen = {
     .name          = "palettegen",
     .description   = NULL_IF_CONFIG_SMALL("Find the optimal palette for a given stream."),
     .priv_size     = sizeof(PaletteGenContext),