lavc/codec_desc: add/fix .props for SGI/DPX/X-face/BRender PIX image

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

libavcodec/codec_desc.c

@@ -749,7 +749,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "sgi",
         .long_name = NULL_IF_CONFIG_SMALL("SGI image"),
-        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSY,
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
     },
     {
         .id        = AV_CODEC_ID_SGIRLE,
@@ -944,7 +944,7 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "dpx",
         .long_name = NULL_IF_CONFIG_SMALL("DPX image"),
-        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSY,
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
     },
     {
         .id        = AV_CODEC_ID_MAD,
@@ -1355,12 +1355,14 @@ static const AVCodecDescriptor codec_descriptors[] = {
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "xface",
         .long_name = NULL_IF_CONFIG_SMALL("X-face image"),
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSY,
     },
     {
         .id        = AV_CODEC_ID_BRENDER_PIX,
         .type      = AVMEDIA_TYPE_VIDEO,
         .name      = "brender_pix",
         .long_name = NULL_IF_CONFIG_SMALL("BRender PIX image"),
+        .props     = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSLESS,
     },
 
     /* various PCM "codecs" */