[FFmpeg-devel] [PATCH]Add refdist_flag to VC1Context

[Carl Eugen Hoyos]

Hi!

To add VDPAU support for VC1, refdist has to be exported to VC1Context.

Please comment, Carl Eugen
-------------- next part --------------
Index: libavcodec/vc1.c
===================================================================
--- libavcodec/vc1.c	(revision 16447)
+++ libavcodec/vc1.c	(working copy)
@@ -1059,13 +1059,13 @@
 static int decode_entry_point(AVCodecContext *avctx, GetBitContext *gb)
 {
     VC1Context *v = avctx->priv_data;
-    int i, blink, clentry, refdist;
+    int i, blink, clentry;
 
     av_log(avctx, AV_LOG_DEBUG, "Entry point: %08X\n", show_bits_long(gb, 32));
     blink = get_bits1(gb); // broken link
     clentry = get_bits1(gb); // closed entry
     v->panscanflag = get_bits1(gb);
-    refdist = get_bits1(gb); // refdist flag
+    v->refdist_flag = get_bits1(gb);
     v->s.loop_filter = get_bits1(gb);
     v->fastuvmc = get_bits1(gb);
     v->extended_mv = get_bits1(gb);
@@ -1099,7 +1099,7 @@
         "BrokenLink=%i, ClosedEntry=%i, PanscanFlag=%i\n"
         "RefDist=%i, Postproc=%i, FastUVMC=%i, ExtMV=%i\n"
         "DQuant=%i, VSTransform=%i, Overlap=%i, Qmode=%i\n",
-        blink, clentry, v->panscanflag, refdist, v->s.loop_filter,
+        blink, clentry, v->panscanflag, v->refdist_flag, v->s.loop_filter,
         v->fastuvmc, v->extended_mv, v->dquant, v->vstransform, v->overlap, v->quantizer_mode);
 
     return 0;
Index: libavcodec/vc1.h
===================================================================
--- libavcodec/vc1.h	(revision 16447)
+++ libavcodec/vc1.h	(working copy)
@@ -180,6 +180,7 @@
     int interlace;        ///< Progressive/interlaced (RPTFTM syntax element)
     int tfcntrflag;       ///< TFCNTR present
     int panscanflag;      ///< NUMPANSCANWIN, TOPLEFT{X,Y}, BOTRIGHT{X,Y} present
+    int refdist_flag;     ///< REFDIST syntax element present in II, IP, PI or PP field picture headers
     int extended_dmv;     ///< Additional extended dmv range at P/B frame-level
     int color_prim;       ///< 8bits, chroma coordinates of the color primaries
     int transfer_char;    ///< 8bits, Opto-electronic transfer characteristics