lavfi: do not use av_pix_fmt_descriptors directly.

29 files changed, 76 insertions, 61 deletions

diff --git a/libavfilter/avfilter.c b/libavfilter/avfilter.c
index 9c05933964..1e3b001fcd 100644
--- a/libavfilter/avfilter.c
+++ b/libavfilter/avfilter.c
@@ -214,7 +214,7 @@ void ff_dlog_link(void *ctx, AVFilterLink *link, int end)
         av_dlog(ctx,
                 "link[%p s:%dx%d fmt:%-16s %-16s->%-16s]%s",
                 link, link->w, link->h,
-                av_pix_fmt_descriptors[link->format].name,
+                av_get_pix_fmt_name(link->format),
                 link->src ? link->src->filter->name : "",
                 link->dst ? link->dst->filter->name : "",
                 end ? "\n" : "");
diff --git a/libavfilter/buffersrc.c b/libavfilter/buffersrc.c
index 2157ec8a1f..a2d5edbd5e 100644
--- a/libavfilter/buffersrc.c
+++ b/libavfilter/buffersrc.c
@@ -185,7 +185,7 @@ static av_cold int init_video(AVFilterContext *ctx, const char *args)
     if (!(c->fifo = av_fifo_alloc(sizeof(AVFilterBufferRef*))))
         return AVERROR(ENOMEM);
 
-    av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d pixfmt:%s\n", c->w, c->h, av_pix_fmt_descriptors[c->pix_fmt].name);
+    av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d pixfmt:%s\n", c->w, c->h, av_get_pix_fmt_name(c->pix_fmt));
     return 0;
 }
 
diff --git a/libavfilter/drawutils.c b/libavfilter/drawutils.c
index 28b2283daa..e837760459 100644
--- a/libavfilter/drawutils.c
+++ b/libavfilter/drawutils.c
@@ -32,7 +32,7 @@ int ff_fill_line_with_color(uint8_t *line[4], int pixel_step[4], int w, uint8_t
 {
     uint8_t rgba_map[4] = {0};
     int i;
-    const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[pix_fmt];
+    const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(pix_fmt);
     int hsub = pix_desc->log2_chroma_w;
 
     *is_packed_rgba = 1;
diff --git a/libavfilter/filtfmts.c b/libavfilter/filtfmts.c
index 8b23c7b844..3ec8116635 100644
--- a/libavfilter/filtfmts.c
+++ b/libavfilter/filtfmts.c
@@ -89,7 +89,7 @@ int main(int argc, char **argv)
         for (j = 0; j < fmts->format_count; j++)
             printf("INPUT[%d] %s: %s\n",
                    i, filter_ctx->filter->inputs[i].name,
-                   av_pix_fmt_descriptors[fmts->formats[j]].name);
+                   av_get_pix_fmt_name(fmts->formats[j]));
     }
 
     /* print the supported formats in output */
@@ -98,7 +98,7 @@ int main(int argc, char **argv)
         for (j = 0; j < fmts->format_count; j++)
             printf("OUTPUT[%d] %s: %s\n",
                    i, filter_ctx->filter->outputs[i].name,
-                   av_pix_fmt_descriptors[fmts->formats[j]].name);
+                   av_get_pix_fmt_name(fmts->formats[j]));
     }
 
     avfilter_free(filter_ctx);
diff --git a/libavfilter/formats.c b/libavfilter/formats.c
index 7737f177db..3b890d2bda 100644
--- a/libavfilter/formats.c
+++ b/libavfilter/formats.c
@@ -213,10 +213,12 @@ AVFilterFormats *ff_all_formats(enum AVMediaType type)
     int num_formats = type == AVMEDIA_TYPE_VIDEO ? AV_PIX_FMT_NB    :
                       type == AVMEDIA_TYPE_AUDIO ? AV_SAMPLE_FMT_NB : 0;
 
-    for (fmt = 0; fmt < num_formats; fmt++)
+    for (fmt = 0; fmt < num_formats; fmt++) {
+        const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(fmt);
         if ((type != AVMEDIA_TYPE_VIDEO) ||
-            (type == AVMEDIA_TYPE_VIDEO && !(av_pix_fmt_descriptors[fmt].flags & PIX_FMT_HWACCEL)))
+            (type == AVMEDIA_TYPE_VIDEO && !(desc->flags & PIX_FMT_HWACCEL)))
             ff_add_format(&ret, fmt);
+    }
 
     return ret;
 }
diff --git a/libavfilter/vf_boxblur.c b/libavfilter/vf_boxblur.c
index b638c71465..755d98ea2a 100644
--- a/libavfilter/vf_boxblur.c
+++ b/libavfilter/vf_boxblur.c
@@ -139,7 +139,7 @@ static int query_formats(AVFilterContext *ctx)
 
 static int config_input(AVFilterLink *inlink)
 {
-    const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[inlink->format];
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
     AVFilterContext    *ctx = inlink->dst;
     BoxBlurContext *boxblur = ctx->priv;
     int w = inlink->w, h = inlink->h;
diff --git a/libavfilter/vf_crop.c b/libavfilter/vf_crop.c
index 0270a13e2c..f79f574315 100644
--- a/libavfilter/vf_crop.c
+++ b/libavfilter/vf_crop.c
@@ -158,7 +158,7 @@ static int config_input(AVFilterLink *link)
 {
     AVFilterContext *ctx = link->dst;
     CropContext *crop = ctx->priv;
-    const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[link->format];
+    const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(link->format);
     int ret;
     const char *expr;
     double res;
@@ -177,8 +177,8 @@ static int config_input(AVFilterLink *link)
     crop->var_values[VAR_POS]   = NAN;
 
     av_image_fill_max_pixsteps(crop->max_step, NULL, pix_desc);
-    crop->hsub = av_pix_fmt_descriptors[link->format].log2_chroma_w;
-    crop->vsub = av_pix_fmt_descriptors[link->format].log2_chroma_h;
+    crop->hsub = pix_desc->log2_chroma_w;
+    crop->vsub = pix_desc->log2_chroma_h;
 
     if ((ret = av_expr_parse_and_eval(&res, (expr = crop->ow_expr),
                                       var_names, crop->var_values,
@@ -248,6 +248,7 @@ static int start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
     AVFilterContext *ctx = link->dst;
     CropContext *crop = ctx->priv;
     AVFilterBufferRef *ref2;
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format);
     int i;
 
     ref2 = avfilter_ref_buffer(picref, ~0);
@@ -281,8 +282,7 @@ static int start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
     ref2->data[0] += crop->y * ref2->linesize[0];
     ref2->data[0] += crop->x * crop->max_step[0];
 
-    if (!(av_pix_fmt_descriptors[link->format].flags & PIX_FMT_PAL ||
-          av_pix_fmt_descriptors[link->format].flags & PIX_FMT_PSEUDOPAL)) {
+    if (!(desc->flags & PIX_FMT_PAL || desc->flags & PIX_FMT_PSEUDOPAL)) {
         for (i = 1; i < 3; i ++) {
             if (ref2->data[i]) {
                 ref2->data[i] += (crop->y >> crop->vsub) * ref2->linesize[i];
diff --git a/libavfilter/vf_cropdetect.c b/libavfilter/vf_cropdetect.c
index c930e00bb3..63a72cbd05 100644
--- a/libavfilter/vf_cropdetect.c
+++ b/libavfilter/vf_cropdetect.c
@@ -107,7 +107,7 @@ static int config_input(AVFilterLink *inlink)
     CropDetectContext *cd = ctx->priv;
 
     av_image_fill_max_pixsteps(cd->max_pixsteps, NULL,
-                               &av_pix_fmt_descriptors[inlink->format]);
+                               av_pix_fmt_desc_get(inlink->format));
 
     cd->x1 = inlink->w - 1;
     cd->y1 = inlink->h - 1;
diff --git a/libavfilter/vf_delogo.c b/libavfilter/vf_delogo.c
index d2ff4bf14b..361e0b797a 100644
--- a/libavfilter/vf_delogo.c
+++ b/libavfilter/vf_delogo.c
@@ -226,9 +226,10 @@ static int end_frame(AVFilterLink *inlink)
     AVFilterLink *outlink = inlink->dst->outputs[0];
     AVFilterBufferRef *inpicref  = inlink ->cur_buf;
     AVFilterBufferRef *outpicref = outlink->out_buf;
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
     int direct = inpicref->buf == outpicref->buf;
-    int hsub0 = av_pix_fmt_descriptors[inlink->format].log2_chroma_w;
-    int vsub0 = av_pix_fmt_descriptors[inlink->format].log2_chroma_h;
+    int hsub0 = desc->log2_chroma_w;
+    int vsub0 = desc->log2_chroma_h;
     int plane;
     int ret;
 
diff --git a/libavfilter/vf_drawbox.c b/libavfilter/vf_drawbox.c
index 39dd2e597d..fbae0ee841 100644
--- a/libavfilter/vf_drawbox.c
+++ b/libavfilter/vf_drawbox.c
@@ -81,9 +81,10 @@ static int query_formats(AVFilterContext *ctx)
 static int config_input(AVFilterLink *inlink)
 {
     DrawBoxContext *drawbox = inlink->dst->priv;
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
 
-    drawbox->hsub = av_pix_fmt_descriptors[inlink->format].log2_chroma_w;
-    drawbox->vsub = av_pix_fmt_descriptors[inlink->format].log2_chroma_h;
+    drawbox->hsub = desc->log2_chroma_w;
+    drawbox->vsub = desc->log2_chroma_h;
 
     if (drawbox->w == 0) drawbox->w = inlink->w;
     if (drawbox->h == 0) drawbox->h = inlink->h;
diff --git a/libavfilter/vf_drawtext.c b/libavfilter/vf_drawtext.c
index 10a7e66acd..ecc789c7f7 100644
--- a/libavfilter/vf_drawtext.c
+++ b/libavfilter/vf_drawtext.c
@@ -569,7 +569,7 @@ static int config_input(AVFilterLink *inlink)
 {
     AVFilterContext *ctx  = inlink->dst;
     DrawTextContext *dtext = ctx->priv;
-    const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[inlink->format];
+    const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(inlink->format);
     int ret;
 
     dtext->hsub = pix_desc->log2_chroma_w;
diff --git a/libavfilter/vf_fade.c b/libavfilter/vf_fade.c
index 5fe489778e..8555798504 100644
--- a/libavfilter/vf_fade.c
+++ b/libavfilter/vf_fade.c
@@ -89,7 +89,7 @@ static int query_formats(AVFilterContext *ctx)
 static int config_props(AVFilterLink *inlink)
 {
     FadeContext *fade = inlink->dst->priv;
-    const AVPixFmtDescriptor *pixdesc = &av_pix_fmt_descriptors[inlink->format];
+    const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(inlink->format);
 
     fade->hsub = pixdesc->log2_chroma_w;
     fade->vsub = pixdesc->log2_chroma_h;
diff --git a/libavfilter/vf_fieldorder.c b/libavfilter/vf_fieldorder.c
index d6875de99f..5e084ac4c8 100644
--- a/libavfilter/vf_fieldorder.c
+++ b/libavfilter/vf_fieldorder.c
@@ -78,15 +78,16 @@ static int query_formats(AVFilterContext *ctx)
      *  a bitstream format, and does not have vertically sub-sampled chroma */
     if (ctx->inputs[0]) {
         formats = NULL;
-        for (pix_fmt = 0; pix_fmt < AV_PIX_FMT_NB; pix_fmt++)
-            if (!(  av_pix_fmt_descriptors[pix_fmt].flags & PIX_FMT_HWACCEL
-                 || av_pix_fmt_descriptors[pix_fmt].flags & PIX_FMT_BITSTREAM)
-                && av_pix_fmt_descriptors[pix_fmt].nb_components
-                && !av_pix_fmt_descriptors[pix_fmt].log2_chroma_h
-                && (ret = ff_add_format(&formats, pix_fmt)) < 0) {
+        for (pix_fmt = 0; pix_fmt < AV_PIX_FMT_NB; pix_fmt++) {
+            const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(pix_fmt);
+            if (!(desc->flags & PIX_FMT_HWACCEL ||
+                  desc->flags & PIX_FMT_BITSTREAM) &&
+                desc->nb_components && !desc->log2_chroma_h &&
+                (ret = ff_add_format(&formats, pix_fmt)) < 0) {
                 ff_formats_unref(&formats);
                 return ret;
             }
+        }
         ff_formats_ref(formats, &ctx->inputs[0]->out_formats);
         ff_formats_ref(formats, &ctx->outputs[0]->in_formats);
     }
diff --git a/libavfilter/vf_gradfun.c b/libavfilter/vf_gradfun.c
index 31ed639542..7fbcf1a578 100644
--- a/libavfilter/vf_gradfun.c
+++ b/libavfilter/vf_gradfun.c
@@ -167,8 +167,9 @@ static int query_formats(AVFilterContext *ctx)
 static int config_input(AVFilterLink *inlink)
 {
     GradFunContext *gf = inlink->dst->priv;
-    int hsub = av_pix_fmt_descriptors[inlink->format].log2_chroma_w;
-    int vsub = av_pix_fmt_descriptors[inlink->format].log2_chroma_h;
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
+    int hsub = desc->log2_chroma_w;
+    int vsub = desc->log2_chroma_h;
 
     gf->buf = av_mallocz((FFALIGN(inlink->w, 16) * (gf->radius + 1) / 2 + 32) * sizeof(uint16_t));
     if (!gf->buf)
diff --git a/libavfilter/vf_hflip.c b/libavfilter/vf_hflip.c
index ea1db4fe29..3ae0fc6062 100644
--- a/libavfilter/vf_hflip.c
+++ b/libavfilter/vf_hflip.c
@@ -75,11 +75,11 @@ static int query_formats(AVFilterContext *ctx)
 static int config_props(AVFilterLink *inlink)
 {
     FlipContext *flip = inlink->dst->priv;
-    const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[inlink->format];
+    const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(inlink->format);
 
     av_image_fill_max_pixsteps(flip->max_step, NULL, pix_desc);
-    flip->hsub = av_pix_fmt_descriptors[inlink->format].log2_chroma_w;
-    flip->vsub = av_pix_fmt_descriptors[inlink->format].log2_chroma_h;
+    flip->hsub = pix_desc->log2_chroma_w;
+    flip->vsub = pix_desc->log2_chroma_h;
 
     return 0;
 }
diff --git a/libavfilter/vf_hqdn3d.c b/libavfilter/vf_hqdn3d.c
index 03e1d830bd..4ed8905979 100644
--- a/libavfilter/vf_hqdn3d.c
+++ b/libavfilter/vf_hqdn3d.c
@@ -295,11 +295,12 @@ static int query_formats(AVFilterContext *ctx)
 static int config_input(AVFilterLink *inlink)
 {
     HQDN3DContext *hqdn3d = inlink->dst->priv;
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
     int i;
 
-    hqdn3d->hsub = av_pix_fmt_descriptors[inlink->format].log2_chroma_w;
-    hqdn3d->vsub = av_pix_fmt_descriptors[inlink->format].log2_chroma_h;
-    hqdn3d->depth = av_pix_fmt_descriptors[inlink->format].comp[0].depth_minus1+1;
+    hqdn3d->hsub  = desc->log2_chroma_w;
+    hqdn3d->vsub  = desc->log2_chroma_h;
+    hqdn3d->depth = desc->comp[0].depth_minus1+1;
 
     hqdn3d->line = av_malloc(inlink->w * sizeof(*hqdn3d->line));
     if (!hqdn3d->line)
diff --git a/libavfilter/vf_lut.c b/libavfilter/vf_lut.c
index 9f3cfe1a23..c54d6d54b7 100644
--- a/libavfilter/vf_lut.c
+++ b/libavfilter/vf_lut.c
@@ -212,7 +212,7 @@ static int config_props(AVFilterLink *inlink)
 {
     AVFilterContext *ctx = inlink->dst;
     LutContext *lut = ctx->priv;
-    const AVPixFmtDescriptor *desc = &av_pix_fmt_descriptors[inlink->format];
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
     int min[4], max[4];
     int val, comp, ret;
 
diff --git a/libavfilter/vf_overlay.c b/libavfilter/vf_overlay.c
index e8ff834dbb..8fb44e30d3 100644
--- a/libavfilter/vf_overlay.c
+++ b/libavfilter/vf_overlay.c
@@ -113,7 +113,7 @@ static int query_formats(AVFilterContext *ctx)
 static int config_input_main(AVFilterLink *inlink)
 {
     OverlayContext *over = inlink->dst->priv;
-    const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[inlink->format];
+    const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(inlink->format);
 
     av_image_fill_max_pixsteps(over->max_plane_step, NULL, pix_desc);
     over->hsub = pix_desc->log2_chroma_w;
@@ -158,10 +158,10 @@ static int config_input_overlay(AVFilterLink *inlink)
     av_log(ctx, AV_LOG_VERBOSE,
            "main w:%d h:%d fmt:%s overlay x:%d y:%d w:%d h:%d fmt:%s\n",
            ctx->inputs[MAIN]->w, ctx->inputs[MAIN]->h,
-           av_pix_fmt_descriptors[ctx->inputs[MAIN]->format].name,
+           av_get_pix_fmt_name(ctx->inputs[MAIN]->format),
            over->x, over->y,
            ctx->inputs[OVERLAY]->w, ctx->inputs[OVERLAY]->h,
-           av_pix_fmt_descriptors[ctx->inputs[OVERLAY]->format].name);
+           av_get_pix_fmt_name(ctx->inputs[OVERLAY]->format));
 
     if (over->x < 0 || over->y < 0 ||
         over->x + var_values[VAR_OVERLAY_W] > var_values[VAR_MAIN_W] ||
diff --git a/libavfilter/vf_pad.c b/libavfilter/vf_pad.c
index 1ab6ed57f3..c14835d68c 100644
--- a/libavfilter/vf_pad.c
+++ b/libavfilter/vf_pad.c
@@ -144,7 +144,7 @@ static int config_input(AVFilterLink *inlink)
 {
     AVFilterContext *ctx = inlink->dst;
     PadContext *pad = ctx->priv;
-    const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[inlink->format];
+    const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(inlink->format);
     uint8_t rgba_color[4];
     int ret, is_packed_rgba;
     double var_values[VARS_NB], res;
diff --git a/libavfilter/vf_pixdesctest.c b/libavfilter/vf_pixdesctest.c
index e3b4cfa6bf..09decea0f9 100644
--- a/libavfilter/vf_pixdesctest.c
+++ b/libavfilter/vf_pixdesctest.c
@@ -44,7 +44,7 @@ static int config_props(AVFilterLink *inlink)
 {
     PixdescTestContext *priv = inlink->dst->priv;
 
-    priv->pix_desc = &av_pix_fmt_descriptors[inlink->format];
+    priv->pix_desc = av_pix_fmt_desc_get(inlink->format);
 
     if (!(priv->line = av_malloc(sizeof(*priv->line) * inlink->w)))
         return AVERROR(ENOMEM);
diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c
index 5425bbd9bc..cbc1081cd9 100644
--- a/libavfilter/vf_scale.c
+++ b/libavfilter/vf_scale.c
@@ -155,6 +155,7 @@ static int config_props(AVFilterLink *outlink)
     AVFilterContext *ctx = outlink->src;
     AVFilterLink *inlink = outlink->src->inputs[0];
     ScaleContext *scale = ctx->priv;
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
     int64_t w, h;
     double var_values[VARS_NB], res;
     char *expr;
@@ -170,8 +171,8 @@ static int config_props(AVFilterLink *outlink)
     var_values[VAR_DAR]   = var_values[VAR_A]  = (double) inlink->w / inlink->h;
     var_values[VAR_SAR]   = inlink->sample_aspect_ratio.num ?
         (double) inlink->sample_aspect_ratio.num / inlink->sample_aspect_ratio.den : 1;
-    var_values[VAR_HSUB]  = 1<<av_pix_fmt_descriptors[inlink->format].log2_chroma_w;
-    var_values[VAR_VSUB]  = 1<<av_pix_fmt_descriptors[inlink->format].log2_chroma_h;
+    var_values[VAR_HSUB]  = 1 << desc->log2_chroma_w;
+    var_values[VAR_VSUB]  = 1 << desc->log2_chroma_h;
 
     /* evaluate width and height */
     av_expr_parse_and_eval(&res, (expr = scale->w_expr),
@@ -220,12 +221,12 @@ static int config_props(AVFilterLink *outlink)
 
     /* TODO: make algorithm configurable */
     av_log(ctx, AV_LOG_VERBOSE, "w:%d h:%d fmt:%s -> w:%d h:%d fmt:%s flags:0x%0x\n",
-           inlink ->w, inlink ->h, av_pix_fmt_descriptors[ inlink->format].name,
-           outlink->w, outlink->h, av_pix_fmt_descriptors[outlink->format].name,
+           inlink ->w, inlink ->h, av_get_pix_fmt_name(inlink->format),
+           outlink->w, outlink->h, av_get_pix_fmt_name(outlink->format),
            scale->flags);
 
-    scale->input_is_pal = av_pix_fmt_descriptors[inlink->format].flags & PIX_FMT_PAL ||
-                          av_pix_fmt_descriptors[inlink->format].flags & PIX_FMT_PSEUDOPAL;
+    scale->input_is_pal = desc->flags & PIX_FMT_PAL ||
+                          desc->flags & PIX_FMT_PSEUDOPAL;
 
     if (scale->sws)
         sws_freeContext(scale->sws);
@@ -261,6 +262,7 @@ static int start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
     ScaleContext *scale = link->dst->priv;
     AVFilterLink *outlink = link->dst->outputs[0];
     AVFilterBufferRef *outpicref, *for_next_filter;
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format);
     int ret = 0;
 
     if (!scale->sws) {
@@ -270,8 +272,8 @@ static int start_frame(AVFilterLink *link, AVFilterBufferRef *picref)
         return ff_start_frame(outlink, outpicref);
     }
 
-    scale->hsub = av_pix_fmt_descriptors[link->format].log2_chroma_w;
-    scale->vsub = av_pix_fmt_descriptors[link->format].log2_chroma_h;
+    scale->hsub = desc->log2_chroma_w;
+    scale->vsub = desc->log2_chroma_h;
 
     outpicref = ff_get_video_buffer(outlink, AV_PERM_WRITE, outlink->w, outlink->h);
     if (!outpicref)
diff --git a/libavfilter/vf_showinfo.c b/libavfilter/vf_showinfo.c
index c931cb3665..4b78276f97 100644
--- a/libavfilter/vf_showinfo.c
+++ b/libavfilter/vf_showinfo.c
@@ -46,8 +46,9 @@ static int end_frame(AVFilterLink *inlink)
     AVFilterContext *ctx = inlink->dst;
     ShowInfoContext *showinfo = ctx->priv;
     AVFilterBufferRef *picref = inlink->cur_buf;
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
     uint32_t plane_checksum[4] = {0}, checksum = 0;
-    int i, plane, vsub = av_pix_fmt_descriptors[inlink->format].log2_chroma_h;
+    int i, plane, vsub = desc->log2_chroma_h;
 
     for (plane = 0; picref->data[plane] && plane < 4; plane++) {
         size_t linesize = av_image_get_linesize(picref->format, picref->video->w, plane);
@@ -67,7 +68,7 @@ static int end_frame(AVFilterLink *inlink)
            "checksum:%u plane_checksum:[%u %u %u %u]\n",
            showinfo->frame,
            picref->pts, picref->pts * av_q2d(inlink->time_base), picref->pos,
-           av_pix_fmt_descriptors[picref->format].name,
+           desc->name,
            picref->video->pixel_aspect.num, picref->video->pixel_aspect.den,
            picref->video->w, picref->video->h,
            !picref->video->interlaced     ? 'P' :         /* Progressive  */
diff --git a/libavfilter/vf_slicify.c b/libavfilter/vf_slicify.c
index f7db66848a..f81ab0d0c1 100644
--- a/libavfilter/vf_slicify.c
+++ b/libavfilter/vf_slicify.c
@@ -54,8 +54,9 @@ static av_cold int init(AVFilterContext *ctx, const char *args)
 static int config_props(AVFilterLink *link)
 {
     SliceContext *slice = link->dst->priv;
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format);
 
-    slice->vshift = av_pix_fmt_descriptors[link->format].log2_chroma_h;
+    slice->vshift = desc->log2_chroma_h;
 
     return 0;
 }
diff --git a/libavfilter/vf_transpose.c b/libavfilter/vf_transpose.c
index 2d25f69f2b..1ee645f308 100644
--- a/libavfilter/vf_transpose.c
+++ b/libavfilter/vf_transpose.c
@@ -98,12 +98,13 @@ static int config_props_output(AVFilterLink *outlink)
     AVFilterContext *ctx = outlink->src;
     TransContext *trans = ctx->priv;
     AVFilterLink *inlink = ctx->inputs[0];
-    const AVPixFmtDescriptor *pixdesc = &av_pix_fmt_descriptors[outlink->format];
+    const AVPixFmtDescriptor *desc_out = av_pix_fmt_desc_get(outlink->format);
+    const AVPixFmtDescriptor *desc_in  = av_pix_fmt_desc_get(inlink->format);
 
-    trans->hsub = av_pix_fmt_descriptors[inlink->format].log2_chroma_w;
-    trans->vsub = av_pix_fmt_descriptors[inlink->format].log2_chroma_h;
+    trans->hsub = desc_in->log2_chroma_w;
+    trans->vsub = desc_in->log2_chroma_h;
 
-    av_image_fill_max_pixsteps(trans->pixsteps, NULL, pixdesc);
+    av_image_fill_max_pixsteps(trans->pixsteps, NULL, desc_out);
 
     outlink->w = inlink->h;
     outlink->h = inlink->w;
diff --git a/libavfilter/vf_unsharp.c b/libavfilter/vf_unsharp.c
index 21eeaefb00..7e50bb8609 100644
--- a/libavfilter/vf_unsharp.c
+++ b/libavfilter/vf_unsharp.c
@@ -187,9 +187,10 @@ static void init_filter_param(AVFilterContext *ctx, FilterParam *fp, const char
 static int config_props(AVFilterLink *link)
 {
     UnsharpContext *unsharp = link->dst->priv;
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format);
 
-    unsharp->hsub = av_pix_fmt_descriptors[link->format].log2_chroma_w;
-    unsharp->vsub = av_pix_fmt_descriptors[link->format].log2_chroma_h;
+    unsharp->hsub = desc->log2_chroma_w;
+    unsharp->vsub = desc->log2_chroma_h;
 
     init_filter_param(link->dst, &unsharp->luma,   "luma",   link->w);
     init_filter_param(link->dst, &unsharp->chroma, "chroma", SHIFTUP(link->w, unsharp->hsub));
diff --git a/libavfilter/vf_vflip.c b/libavfilter/vf_vflip.c
index 04791036e0..f12290aa03 100644
--- a/libavfilter/vf_vflip.c
+++ b/libavfilter/vf_vflip.c
@@ -36,8 +36,9 @@ typedef struct {
 static int config_input(AVFilterLink *link)
 {
     FlipContext *flip = link->dst->priv;
+    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format);
 
-    flip->vsub = av_pix_fmt_descriptors[link->format].log2_chroma_h;
+    flip->vsub = desc->log2_chroma_h;
 
     return 0;
 }
diff --git a/libavfilter/vf_yadif.c b/libavfilter/vf_yadif.c
index f67e3b0249..947aaac49a 100644
--- a/libavfilter/vf_yadif.c
+++ b/libavfilter/vf_yadif.c
@@ -187,7 +187,7 @@ static int return_frame(AVFilterContext *ctx, int is_second)
     }
 
     if (!yadif->csp)
-        yadif->csp = &av_pix_fmt_descriptors[link->format];
+        yadif->csp = av_pix_fmt_desc_get(link->format);
     if (yadif->csp->comp[0].depth_minus1 / 8 == 1)
         yadif->filter_line = filter_line_c_16bit;
 
diff --git a/libavfilter/video.c b/libavfilter/video.c
index 1710126697..49091ad010 100644
--- a/libavfilter/video.c
+++ b/libavfilter/video.c
@@ -339,7 +339,8 @@ int ff_draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
 
     /* copy the slice if needed for permission reasons */
     if (link->src_buf) {
-        vsub = av_pix_fmt_descriptors[link->format].log2_chroma_h;
+        const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(link->format);
+        vsub = desc->log2_chroma_h;
 
         for (i = 0; i < 4; i++) {
             if (link->src_buf->data[i]) {
diff --git a/libavfilter/vsrc_color.c b/libavfilter/vsrc_color.c
index f885b717af..2bb07bf16e 100644
--- a/libavfilter/vsrc_color.c
+++ b/libavfilter/vsrc_color.c
@@ -118,7 +118,7 @@ static int color_config_props(AVFilterLink *inlink)
     ColorContext *color = ctx->priv;
     uint8_t rgba_color[4];
     int is_packed_rgba;
-    const AVPixFmtDescriptor *pix_desc = &av_pix_fmt_descriptors[inlink->format];
+    const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(inlink->format);
 
     color->hsub = pix_desc->log2_chroma_w;
     color->vsub = pix_desc->log2_chroma_h;