avcodec/hevc, h2645_parse: Fix HEVC NAL unit names and constants

This commit fixes the names and constants of the reserved NAL units
with nal_unit_type 22 resp. 23. They were "IRAP_IRAP_VLC2x", but are
actually "RSV_IRAP_VLC2x".

This also required a change to cbs_h265_syntax_template.c.
Reviewed-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>

libavcodec/cbs_h265_syntax_template.c

@@ -1275,7 +1275,7 @@ static int FUNC(slice_segment_header)(CodedBitstreamContext *ctx, RWContext *rw,
     flag(first_slice_segment_in_pic_flag);
 
     if (current->nal_unit_header.nal_unit_type >= HEVC_NAL_BLA_W_LP &&
-        current->nal_unit_header.nal_unit_type <= HEVC_NAL_IRAP_VCL23)
+        current->nal_unit_header.nal_unit_type <= HEVC_NAL_RSV_IRAP_VCL23)
         flag(no_output_of_prior_pics_flag);
 
     ue(slice_pic_parameter_set_id, 0, 63);

libavcodec/h2645_parse.c

@@ -169,8 +169,8 @@ static const char *hevc_nal_type_name[64] = {
     "IDR_W_RADL", // HEVC_NAL_IDR_W_RADL
     "IDR_N_LP", // HEVC_NAL_IDR_N_LP
     "CRA_NUT", // HEVC_NAL_CRA_NUT
-    "IRAP_IRAP_VCL22", // HEVC_NAL_IRAP_VCL22
-    "IRAP_IRAP_VCL23", // HEVC_NAL_IRAP_VCL23
+    "RSV_IRAP_VCL22", // HEVC_NAL_RSV_IRAP_VCL22
+    "RSV_IRAP_VCL23", // HEVC_NAL_RSV_IRAP_VCL23
     "RSV_VCL24", // HEVC_NAL_RSV_VCL24
     "RSV_VCL25", // HEVC_NAL_RSV_VCL25
     "RSV_VCL26", // HEVC_NAL_RSV_VCL26

libavcodec/hevc.h

@@ -48,8 +48,8 @@ enum HEVCNALUnitType {
     HEVC_NAL_IDR_W_RADL = 19,
     HEVC_NAL_IDR_N_LP   = 20,
     HEVC_NAL_CRA_NUT    = 21,
-    HEVC_NAL_IRAP_VCL22 = 22,
-    HEVC_NAL_IRAP_VCL23 = 23,
+    HEVC_NAL_RSV_IRAP_VCL22 = 22,
+    HEVC_NAL_RSV_IRAP_VCL23 = 23,
     HEVC_NAL_RSV_VCL24  = 24,
     HEVC_NAL_RSV_VCL25  = 25,
     HEVC_NAL_RSV_VCL26  = 26,