avfilter: Constify all AVFilters

[ffmpeg] / libavfilter / vf_elbg.c

diff --git a/libavfilter/vf_elbg.c b/libavfilter/vf_elbg.c
index 396af82f7755da0dad05fb03c01e5f18b0fe5f30..008f47006892c3cc22a792f327bbc84754331679 100644 (file)
--- a/libavfilter/vf_elbg.c
+++ b/libavfilter/vf_elbg.c
@@ -36,7 +36,7 @@
 typedef struct ELBGContext {
     const AVClass *class;
     AVLFG lfg;
-    unsigned int lfg_seed;
+    int64_t lfg_seed;
     int max_steps_nb;
     int *codeword;
     int codeword_length;
@@ -56,8 +56,8 @@ static const AVOption elbg_options[] = {
     { "l",               "set codebook length", OFFSET(codebook_length), AV_OPT_TYPE_INT, { .i64 = 256 }, 1, INT_MAX, FLAGS },
     { "nb_steps", "set max number of steps used to compute the mapping", OFFSET(max_steps_nb), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, INT_MAX, FLAGS },
     { "n",        "set max number of steps used to compute the mapping", OFFSET(max_steps_nb), AV_OPT_TYPE_INT, { .i64 = 1 }, 1, INT_MAX, FLAGS },
-    { "seed", "set the random seed", OFFSET(lfg_seed), AV_OPT_TYPE_INT, {.i64 = -1}, -1, UINT32_MAX, FLAGS },
-    { "s",    "set the random seed", OFFSET(lfg_seed), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT32_MAX, FLAGS },
+    { "seed", "set the random seed", OFFSET(lfg_seed), AV_OPT_TYPE_INT64, {.i64 = -1}, -1, UINT32_MAX, FLAGS },
+    { "s",    "set the random seed", OFFSET(lfg_seed), AV_OPT_TYPE_INT64, { .i64 = -1 }, -1, UINT32_MAX, FLAGS },
     { "pal8", "set the pal8 output", OFFSET(pal8), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, FLAGS },
     { NULL }
 };
@@ -100,8 +100,8 @@ static int query_formats(AVFilterContext *ctx)
             AV_PIX_FMT_PAL8,
             AV_PIX_FMT_NONE
         };
-        if ((ret = ff_formats_ref(ff_make_format_list(pix_fmts), &ctx->inputs[0]->out_formats)) < 0 ||
-            (ret = ff_formats_ref(ff_make_format_list(pal8_fmt), &ctx->outputs[0]->in_formats)) < 0)
+        if ((ret = ff_formats_ref(ff_make_format_list(pix_fmts), &ctx->inputs[0]->outcfg.formats)) < 0 ||
+            (ret = ff_formats_ref(ff_make_format_list(pal8_fmt), &ctx->outputs[0]->incfg.formats)) < 0)
             return ret;
     }
     return 0;
@@ -178,8 +178,10 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
         AVFrame *out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
         uint32_t *pal;
 
-        if (!out)
+        if (!out) {
+            av_frame_free(&frame);
             return AVERROR(ENOMEM);
+        }
         out->pts = frame->pts;
         av_frame_free(&frame);
         pal = (uint32_t *)out->data[1];
@@ -251,7 +253,7 @@ static const AVFilterPad elbg_outputs[] = {
     { NULL }
 };
 
-AVFilter ff_vf_elbg = {
+const AVFilter ff_vf_elbg = {
     .name          = "elbg",
     .description   = NULL_IF_CONFIG_SMALL("Apply posterize effect, using the ELBG algorithm."),
     .priv_size     = sizeof(ELBGContext),