diff options
| author | Limin Wang <lance.lmwang@gmail.com> | 2021-08-09 08:23:18 +0800 |
|---|---|---|
| committer | Limin Wang <lance.lmwang@gmail.com> | 2021-08-16 10:00:39 +0800 |
| commit | 13460af45621f2f01d3717cb93d6d09a60e63510 (patch) | |
| tree | cba99eb8cf8e04c256f66252134b272c711efe9d | |
| parent | 5f3df7afa6425d8c7d49340c91243d99336eb27e (diff) | |
avdevice/decklink: add level_a configuration option
Reviewed-by: Marton Balint <cus@passwd.hu>
Signed-off-by: Limin Wang <lance.lmwang@gmail.com>
| -rw-r--r-- | doc/outdevs.texi | 5 | ||||
| -rw-r--r-- | libavdevice/decklink_common.cpp | 17 | ||||
| -rw-r--r-- | libavdevice/decklink_common_c.h | 1 | ||||
| -rw-r--r-- | libavdevice/decklink_enc_c.c | 4 |
4 files changed, 27 insertions, 0 deletions
diff --git a/doc/outdevs.texi b/doc/outdevs.texi index e3e88b2a22..cc0c94ad5d 100644 --- a/doc/outdevs.texi +++ b/doc/outdevs.texi @@ -216,6 +216,11 @@ Enable Square Division Quad Split mode for Quad-link SDI output. Must be @samp{unset}, @samp{true} or @samp{false}. Defaults to @option{unset}. +@item level_a +Enable SMPTE Level A mode on the used output. +Must be @samp{unset}, @samp{true} or @samp{false}. +Defaults to @option{unset}. + @end table @subsection Examples diff --git a/libavdevice/decklink_common.cpp b/libavdevice/decklink_common.cpp index a892a6c9b1..056946212f 100644 --- a/libavdevice/decklink_common.cpp +++ b/libavdevice/decklink_common.cpp @@ -230,6 +230,23 @@ int ff_decklink_set_configs(AVFormatContext *avctx, } } + if (direction == DIRECTION_OUT && cctx->level_a >= 0) { + DECKLINK_BOOL level_a_supported = false; + + if (ctx->attr->GetFlag(BMDDeckLinkSupportsSMPTELevelAOutput, &level_a_supported) != S_OK) + level_a_supported = false; + + if (level_a_supported) { + res = ctx->cfg->SetFlag(bmdDeckLinkConfigSMPTELevelAOutput, cctx->level_a); + 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 fdaa1f9cc0..c2577210a6 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 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 4bcdbfea2d..559f078ec1 100644 --- a/libavdevice/decklink_enc_c.c +++ b/libavdevice/decklink_enc_c.c @@ -44,6 +44,10 @@ static const AVOption options[] = { { "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"}, + { "level_a" , "set SMPTE LevelA" , OFFSET(level_a) , AV_OPT_TYPE_INT, { .i64 = -1 }, -1,1, ENC, "level_a"}, + { "unset" , NULL , 0 , AV_OPT_TYPE_CONST , { .i64 = -1 }, 0, 0, ENC, "level_a"}, + { "false" , NULL , 0 , AV_OPT_TYPE_CONST , { .i64 = 0 }, 0, 0, ENC, "level_a"}, + { "true" , NULL , 0 , AV_OPT_TYPE_CONST , { .i64 = 1 }, 0, 0, ENC, "level_a"}, { "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 }, |