lavu: add AV_PIX_FMT_FLAG_BAYER

doc/APIchanges

@@ -15,6 +15,9 @@ libavutil:     2015-08-28
 
 API changes, most recent first:
 
+2017-03-xx - xxxxxxx - lavu 55.49.100 - pixdesc.h
+  Add AV_PIX_FMT_FLAG_BAYER pixel format flag.
+
 2017-03-18 - xxxxxxx - lavfi 6.77.100 - avfilter.h
   Deprecate AVFilterGraph.resample_lavr_opts
   It's never been used by avfilter nor passed to anything.

libavutil/pixdesc.c

@@ -1915,62 +1915,62 @@ static const AVPixFmtDescriptor av_pix_fmt_descriptors[AV_PIX_FMT_NB] = {
     [AV_PIX_FMT_BAYER_BGGR8] = {
         .name = "bayer_bggr8",
         BAYER8_DESC_COMMON
-        .flags = AV_PIX_FMT_FLAG_RGB,
+        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_BAYER,
     },
     [AV_PIX_FMT_BAYER_BGGR16LE] = {
         .name = "bayer_bggr16le",
         BAYER16_DESC_COMMON
-        .flags = AV_PIX_FMT_FLAG_RGB,
+        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_BAYER,
     },
     [AV_PIX_FMT_BAYER_BGGR16BE] = {
         .name = "bayer_bggr16be",
         BAYER16_DESC_COMMON
-        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB,
+        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_BAYER,
     },
     [AV_PIX_FMT_BAYER_RGGB8] = {
         .name = "bayer_rggb8",
         BAYER8_DESC_COMMON
-        .flags = AV_PIX_FMT_FLAG_RGB,
+        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_BAYER,
     },
     [AV_PIX_FMT_BAYER_RGGB16LE] = {
         .name = "bayer_rggb16le",
         BAYER16_DESC_COMMON
-        .flags = AV_PIX_FMT_FLAG_RGB,
+        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_BAYER,
     },
     [AV_PIX_FMT_BAYER_RGGB16BE] = {
         .name = "bayer_rggb16be",
         BAYER16_DESC_COMMON
-        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB,
+        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_BAYER,
     },
     [AV_PIX_FMT_BAYER_GBRG8] = {
         .name = "bayer_gbrg8",
         BAYER8_DESC_COMMON
-        .flags = AV_PIX_FMT_FLAG_RGB,
+        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_BAYER,
     },
     [AV_PIX_FMT_BAYER_GBRG16LE] = {
         .name = "bayer_gbrg16le",
         BAYER16_DESC_COMMON
-        .flags = AV_PIX_FMT_FLAG_RGB,
+        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_BAYER,
     },
     [AV_PIX_FMT_BAYER_GBRG16BE] = {
         .name = "bayer_gbrg16be",
         BAYER16_DESC_COMMON
-        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB,
+        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_BAYER,
     },
     [AV_PIX_FMT_BAYER_GRBG8] = {
         .name = "bayer_grbg8",
         BAYER8_DESC_COMMON
-        .flags = AV_PIX_FMT_FLAG_RGB,
+        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_BAYER,
     },
     [AV_PIX_FMT_BAYER_GRBG16LE] = {
         .name = "bayer_grbg16le",
         BAYER16_DESC_COMMON
-        .flags = AV_PIX_FMT_FLAG_RGB,
+        .flags = AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_BAYER,
     },
     [AV_PIX_FMT_BAYER_GRBG16BE] = {
         .name = "bayer_grbg16be",
         BAYER16_DESC_COMMON
-        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB,
+        .flags = AV_PIX_FMT_FLAG_BE | AV_PIX_FMT_FLAG_RGB | AV_PIX_FMT_FLAG_BAYER,
     },
     [AV_PIX_FMT_NV16] = {
         .name = "nv16",
@@ -2415,7 +2415,7 @@ void ff_check_pixfmt_descriptors(void){
             } else {
                 av_assert0(8*c->step >= c->depth);
             }
-            if (!strncmp(d->name, "bayer_", 6))
+            if (d->flags & AV_PIX_FMT_FLAG_BAYER)
                 continue;
             av_read_image_line(tmp, (void*)data, linesize, d, 0, 0, j, 2, 0);
             av_assert0(tmp[0] == 0 && tmp[1] == 0);

libavutil/pixdesc.h

@@ -172,6 +172,11 @@ typedef struct AVPixFmtDescriptor {
  */
 #define AV_PIX_FMT_FLAG_ALPHA        (1 << 7)
 
+/**
+ * The pixel format is following a Bayer pattern
+ */
+#define AV_PIX_FMT_FLAG_BAYER        (1 << 8)
+
 /**
  * Return the number of bits per pixel used by the pixel format
  * described by pixdesc. Note that this is not the same as the number

libavutil/version.h

@@ -79,7 +79,7 @@
  */
 
 #define LIBAVUTIL_VERSION_MAJOR  55
-#define LIBAVUTIL_VERSION_MINOR  48
+#define LIBAVUTIL_VERSION_MINOR  49
 #define LIBAVUTIL_VERSION_MICRO 100
 
 #define LIBAVUTIL_VERSION_INT   AV_VERSION_INT(LIBAVUTIL_VERSION_MAJOR, \