avdevice/decklink: add sqd configuration option

Reviewed-by: Marton Balint <cus@passwd.hu>
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>

configure

@@ -6387,7 +6387,7 @@ enabled avisynth          && require_headers "avisynth/avisynth_c.h"
 enabled cuda_nvcc         && { check_nvcc cuda_nvcc || die "ERROR: failed checking for nvcc."; }
 enabled chromaprint       && require chromaprint chromaprint.h chromaprint_get_version -lchromaprint
 enabled decklink          && { require_headers DeckLinkAPI.h &&
-                               { test_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a0a0000" || die "ERROR: Decklink API version must be >= 10.10"; } }
+                               { test_cpp_condition DeckLinkAPIVersion.h "BLACKMAGIC_DECKLINK_API_VERSION >= 0x0a0b0000" || die "ERROR: Decklink API version must be >= 10.11"; } }
 enabled frei0r            && require_headers "frei0r.h dlfcn.h"
 enabled gmp               && require gmp gmp.h mpz_export -lgmp
 enabled gnutls            && require_pkg_config gnutls gnutls gnutls/gnutls.h gnutls_global_init

doc/outdevs.texi

@@ -211,6 +211,11 @@ Sets the SDI video link configuration on the used output. Must be
 SDI.
 Defaults to @samp{unset}.
 
+@item sqd
+Enable Square Division Quad Split mode for Quad-link SDI output.
+Must be @samp{unset}, @samp{true} or @samp{false}.
+Defaults to @option{unset}.
+
 @end table
 
 @subsection Examples

libavdevice/decklink_common.cpp

@@ -221,6 +221,13 @@ int ff_decklink_set_configs(AVFormatContext *avctx,
             av_log(avctx, AV_LOG_WARNING, "Setting link configuration failed.\n");
         else
             av_log(avctx, AV_LOG_VERBOSE, "Successfully set link configuration: 0x%x.\n", ctx->link);
+        if (ctx->link == bmdLinkConfigurationQuadLink && cctx->sqd >= 0) {
+            res = ctx->cfg->SetFlag(bmdDeckLinkConfigQuadLinkSDIVideoOutputSquareDivisionSplit, cctx->sqd);
+            if (res != S_OK)
+                av_log(avctx, AV_LOG_WARNING, "Setting SquareDivisionSplit failed.\n");
+            else
+                av_log(avctx, AV_LOG_VERBOSE, "Successfully set SquareDivisionSplit.\n");
+        }
     }
 
     return 0;

libavdevice/decklink_common_c.h

@@ -49,6 +49,7 @@ struct decklink_cctx {
     int audio_depth;
     int duplex_mode;
     int link;
+    int sqd;
     DecklinkPtsSource audio_pts_source;
     DecklinkPtsSource video_pts_source;
     int audio_input;

libavdevice/decklink_enc_c.c

@@ -40,6 +40,10 @@ static const AVOption options[] = {
     { "single"      ,  NULL                     , 0                   , AV_OPT_TYPE_CONST , { .i64 = 1   }, 0, 0, ENC, "link"},
     { "dual"        ,  NULL                     , 0                   , AV_OPT_TYPE_CONST , { .i64 = 2   }, 0, 0, ENC, "link"},
     { "quad"        ,  NULL                     , 0                   , AV_OPT_TYPE_CONST , { .i64 = 3   }, 0, 0, ENC, "link"},
+    { "sqd"         , "set Square Division"     , OFFSET(sqd)         , AV_OPT_TYPE_INT,    { .i64 = -1  }, -1,1, ENC, "sqd"},
+    { "unset"       ,  NULL                     , 0                   , AV_OPT_TYPE_CONST , { .i64 = -1  }, 0, 0, ENC, "sqd"},
+    { "false"       ,  NULL                     , 0                   , AV_OPT_TYPE_CONST , { .i64 = 0   }, 0, 0, ENC, "sqd"},
+    { "true"        ,  NULL                     , 0                   , AV_OPT_TYPE_CONST , { .i64 = 1   }, 0, 0, ENC, "sqd"},
     { "timing_offset", "genlock timing pixel offset", OFFSET(timing_offset), AV_OPT_TYPE_INT,   { .i64 = INT_MIN }, INT_MIN, INT_MAX, ENC, "timing_offset"},
     { "unset"       ,  NULL                     , 0                        , AV_OPT_TYPE_CONST, { .i64 = INT_MIN },       0,       0, ENC, "timing_offset"},
     { NULL },