vf_hflip: accept PIX_FMT_RGB444 and PIX_FMT_BGR444 pixel formats

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

added fate checksum update
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavfilter/vf_hflip.c

@@ -44,8 +44,10 @@ static int query_formats(AVFilterContext *ctx)
         PIX_FMT_RGB24,        PIX_FMT_BGR24,
         PIX_FMT_RGB565BE,     PIX_FMT_RGB565LE,
         PIX_FMT_RGB555BE,     PIX_FMT_RGB555LE,
+        PIX_FMT_RGB444BE,     PIX_FMT_RGB444LE,
         PIX_FMT_BGR565BE,     PIX_FMT_BGR565LE,
         PIX_FMT_BGR555BE,     PIX_FMT_BGR555LE,
+        PIX_FMT_BGR444BE,     PIX_FMT_BGR444LE,
         PIX_FMT_GRAY16BE,     PIX_FMT_GRAY16LE,
         PIX_FMT_YUV420P16LE,  PIX_FMT_YUV420P16BE,
         PIX_FMT_YUV422P16LE,  PIX_FMT_YUV422P16BE,

tests/ref/lavfi/pixfmts_hflip

@@ -1,6 +1,8 @@
 abgr                49468c6c9ceee5d52b08b1270a909323
 argb                50ba9f16c6475530602f2983278b82d0
 bgr24               cc53d2011d097972db0d22756c3699e3
+bgr444be            ac48445cdae0a0e318fc726dfd94284c
+bgr444le            edda60e2eb1e41633d1390d307111849
 bgr48be             815192d3757c66de97b0d51818acbe0f
 bgr48le             8e4184ac6eae251b4bace51dba7d790c
 bgr4_byte           aac987e7d1a6a96477cfc0b48a4285de
@@ -15,6 +17,8 @@ gray16be            632535b46edec78a6534ef18d37f2b71
 gray16le            5c24e6f847bf9a41a40760c0d15df161
 pal8                6c1545bb295e9289add1760851a3d9c9
 rgb24               754f1722fc738590cc407ac65749bfe8
+rgb444be            d18c1c99abe11dd8347ce8cbc9676bb5
+rgb444le            889fff491a853a114b1a8d07fca2c6f2
 rgb48be             d690412ca5fada031b5da47b87096248
 rgb48le             c901feb564232f5d0bc0eabd66dae3e7
 rgb4_byte           c8a3f995fcf3e0919239ea2c413ddc29