On Fri, 6 Aug 2021, lance.lmw...@gmail.com wrote:
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
level_a, no camelcase for option names.
+If set to @option{true}, SMPTE Level A is enable on the used output.
If set to @option{true}, SMPTE Level A is enabled on the SDI output.
+Defaults to @option{false}.
Same here, please add a default (-1) unset mode.
+ @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;
level_a_supported
+ + 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;
level_a
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 },
"level_a"
{ "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
Thanks, Marton _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".