lavfi/hflip: support more formats

Signed-off-by: Paul B Mahol <onemda@gmail.com>

libavfilter/vf_hflip.c

@@ -42,35 +42,19 @@ typedef struct {
 
 static int query_formats(AVFilterContext *ctx)
 {
-    static const enum AVPixelFormat pix_fmts[] = {
-        AV_PIX_FMT_RGB48BE,      AV_PIX_FMT_RGB48LE,
-        AV_PIX_FMT_BGR48BE,      AV_PIX_FMT_BGR48LE,
-        AV_PIX_FMT_ARGB,         AV_PIX_FMT_RGBA,
-        AV_PIX_FMT_ABGR,         AV_PIX_FMT_BGRA,
-        AV_PIX_FMT_RGB24,        AV_PIX_FMT_BGR24,
-        AV_PIX_FMT_RGB565BE,     AV_PIX_FMT_RGB565LE,
-        AV_PIX_FMT_RGB555BE,     AV_PIX_FMT_RGB555LE,
-        AV_PIX_FMT_RGB444BE,     AV_PIX_FMT_RGB444LE,
-        AV_PIX_FMT_BGR565BE,     AV_PIX_FMT_BGR565LE,
-        AV_PIX_FMT_BGR555BE,     AV_PIX_FMT_BGR555LE,
-        AV_PIX_FMT_BGR444BE,     AV_PIX_FMT_BGR444LE,
-        AV_PIX_FMT_GRAY16BE,     AV_PIX_FMT_GRAY16LE,
-        AV_PIX_FMT_YUV420P16LE,  AV_PIX_FMT_YUV420P16BE,
-        AV_PIX_FMT_YUV422P16LE,  AV_PIX_FMT_YUV422P16BE,
-        AV_PIX_FMT_YUV444P16LE,  AV_PIX_FMT_YUV444P16BE,
-        AV_PIX_FMT_YUV444P,      AV_PIX_FMT_YUV422P,
-        AV_PIX_FMT_YUV420P,      AV_PIX_FMT_YUV411P,
-        AV_PIX_FMT_YUV410P,      AV_PIX_FMT_YUV440P,
-        AV_PIX_FMT_YUVJ444P,     AV_PIX_FMT_YUVJ422P,
-        AV_PIX_FMT_YUVJ420P,     AV_PIX_FMT_YUVJ440P,
-        AV_PIX_FMT_YUVA420P,
-        AV_PIX_FMT_RGB8,         AV_PIX_FMT_BGR8,
-        AV_PIX_FMT_RGB4_BYTE,    AV_PIX_FMT_BGR4_BYTE,
-        AV_PIX_FMT_PAL8,         AV_PIX_FMT_GRAY8,
-        AV_PIX_FMT_NONE
-    };
-
-    ff_set_common_formats(ctx, ff_make_format_list(pix_fmts));
+    AVFilterFormats *pix_fmts = NULL;
+    int fmt;
+
+    for (fmt = 0; fmt < AV_PIX_FMT_NB; fmt++) {
+        const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(fmt);
+        if (!(desc->flags & PIX_FMT_HWACCEL ||
+              desc->flags & PIX_FMT_BITSTREAM ||
+              (desc->log2_chroma_w != desc->log2_chroma_h &&
+               desc->comp[0].plane == desc->comp[1].plane)))
+            ff_add_format(&pix_fmts, fmt);
+    }
+
+    ff_set_common_formats(ctx, pix_fmts);
     return 0;
 }