From: Limin Wang <lance.lmw...@gmail.com>
Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
---
just rebase the code to the master branch to fix the first warning.
doc/outdevs.texi | 4 ++++
libavdevice/decklink_common.cpp | 17 +++++++++++++++++
libavdevice/decklink_common_c.h | 1 +
libavdevice/decklink_enc_c.c | 1 +
4 files changed, 23 insertions(+)
diff --git a/doc/outdevs.texi b/doc/outdevs.texi
index c4c1eba..dee9de3 100644
--- a/doc/outdevs.texi
+++ b/doc/outdevs.texi
@@ -214,6 +214,10 @@ Defaults to @samp{unset}.
If set to @option{true}, Quad-link SDI is output in Square Division Quad Split
mode.
Defaults to @option{false}.
+@item levelA
+If set to @option{true}, SMPTE Level A is enable on the used output.
+Defaults to @option{false}.
+
@end table
@subsection Examples
diff --git a/libavdevice/decklink_common.cpp b/libavdevice/decklink_common.cpp
index bb69a54..46e9768 100644
--- a/libavdevice/decklink_common.cpp
+++ b/libavdevice/decklink_common.cpp
@@ -234,6 +234,23 @@ int ff_decklink_set_configs(AVFormatContext *avctx,
}
}
+ if (direction == DIRECTION_OUT && cctx->levelA) {
+ DECKLINK_BOOL levelA_supported = false;
+
+ if (ctx->attr->GetFlag(BMDDeckLinkSupportsSMPTELevelAOutput,
&levelA_supported) != S_OK)
+ levelA_supported = false;
+
+ if (levelA_supported) {
+ res = ctx->cfg->SetFlag(bmdDeckLinkConfigSMPTELevelAOutput,
cctx->levelA);
+ if (res != S_OK)
+ av_log(avctx, AV_LOG_WARNING, "Setting SMPTE levelA
failed.\n");
+ else
+ av_log(avctx, AV_LOG_VERBOSE, "Successfully set SMPTE
levelA.\n");
+ } else {
+ av_log(avctx, AV_LOG_WARNING, "Unable to set SMPTE levelA mode,
because it is not supported.\n");
+ }
+ }
+
return 0;
}
diff --git a/libavdevice/decklink_common_c.h b/libavdevice/decklink_common_c.h
index fdaa1f9..d855311 100644
--- a/libavdevice/decklink_common_c.h
+++ b/libavdevice/decklink_common_c.h
@@ -50,6 +50,7 @@ struct decklink_cctx {
int duplex_mode;
int link;
int sqd;
+ int levelA;
DecklinkPtsSource audio_pts_source;
DecklinkPtsSource video_pts_source;
int audio_input;
diff --git a/libavdevice/decklink_enc_c.c b/libavdevice/decklink_enc_c.c
index b26c93b..614a84a 100644
--- a/libavdevice/decklink_enc_c.c
+++ b/libavdevice/decklink_enc_c.c
@@ -40,6 +40,7 @@ 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"},
+ { "levelA" , "set SMPTE LevelA" , OFFSET(levelA) ,
AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, ENC },
{ "sqd" , "set Square Division" , OFFSET(sqd) ,
AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, ENC },
{ "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"},
--
1.8.3.1
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