libm: add fallbacks for various single-precision functions

[ffmpeg] / libavfilter / vf_vflip.c

diff --git a/libavfilter/vf_vflip.c b/libavfilter/vf_vflip.c
index ec699705ab2dc62544d62a772e553360f87285ac..f12290aa03d1c18c256fffe7cdb63fbd9a6012b2 100644 (file)
--- a/libavfilter/vf_vflip.c
+++ b/libavfilter/vf_vflip.c
@@ -23,6 +23,7 @@
  * video vertical flip filter
  */
 
+#include "libavutil/internal.h"
 #include "libavutil/pixdesc.h"
 #include "avfilter.h"
 #include "internal.h"
@@ -35,8 +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;
 }
@@ -52,6 +54,9 @@ static AVFilterBufferRef *get_video_buffer(AVFilterLink *link, int perms,
         return ff_default_get_video_buffer(link, perms, w, h);
 
     picref = ff_get_video_buffer(link->dst->outputs[0], perms, w, h);
+    if (!picref)
+        return NULL;
+
     for (i = 0; i < 4; i ++) {
         int vsub = i == 1 || i == 2 ? flip->vsub : 0;
 
@@ -64,12 +69,15 @@ static AVFilterBufferRef *get_video_buffer(AVFilterLink *link, int perms,
     return picref;
 }
 
-static void start_frame(AVFilterLink *link, AVFilterBufferRef *inpicref)
+static int start_frame(AVFilterLink *link, AVFilterBufferRef *inpicref)
 {
     FlipContext *flip = link->dst->priv;
     AVFilterBufferRef *outpicref = avfilter_ref_buffer(inpicref, ~0);
     int i;
 
+    if (!outpicref)
+        return AVERROR(ENOMEM);
+
     for (i = 0; i < 4; i ++) {
         int vsub = i == 1 || i == 2 ? flip->vsub : 0;
 
@@ -79,30 +87,42 @@ static void start_frame(AVFilterLink *link, AVFilterBufferRef *inpicref)
         }
     }
 
-    ff_start_frame(link->dst->outputs[0], outpicref);
+    return ff_start_frame(link->dst->outputs[0], outpicref);
 }
 
-static void draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
+static int draw_slice(AVFilterLink *link, int y, int h, int slice_dir)
 {
     AVFilterContext *ctx = link->dst;
 
-    ff_draw_slice(ctx->outputs[0], link->h - (y+h), h, -1 * slice_dir);
+    return ff_draw_slice(ctx->outputs[0], link->h - (y+h), h, -1 * slice_dir);
 }
 
+static const AVFilterPad avfilter_vf_vflip_inputs[] = {
+    {
+        .name             = "default",
+        .type             = AVMEDIA_TYPE_VIDEO,
+        .get_video_buffer = get_video_buffer,
+        .start_frame      = start_frame,
+        .draw_slice       = draw_slice,
+        .config_props     = config_input,
+    },
+    { NULL }
+};
+
+static const AVFilterPad avfilter_vf_vflip_outputs[] = {
+    {
+        .name = "default",
+        .type = AVMEDIA_TYPE_VIDEO,
+    },
+    { NULL }
+};
+
 AVFilter avfilter_vf_vflip = {
     .name      = "vflip",
     .description = NULL_IF_CONFIG_SMALL("Flip the input video vertically."),
 
     .priv_size = sizeof(FlipContext),
 
-    .inputs    = (const AVFilterPad[]) {{ .name             = "default",
-                                          .type             = AVMEDIA_TYPE_VIDEO,
-                                          .get_video_buffer = get_video_buffer,
-                                          .start_frame      = start_frame,
-                                          .draw_slice       = draw_slice,
-                                          .config_props     = config_input, },
-                                        { .name = NULL}},
-    .outputs   = (const AVFilterPad[]) {{ .name             = "default",
-                                          .type             = AVMEDIA_TYPE_VIDEO, },
-                                        { .name = NULL}},
+    .inputs    = avfilter_vf_vflip_inputs,
+    .outputs   = avfilter_vf_vflip_outputs,
 };