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>
---
doc/outdevs.texi | 5 +++++
libavdevice/decklink_common.cpp | 9 +++++++++
libavdevice/decklink_common.h | 8 ++++++++
libavdevice/decklink_common_c.h | 1 +
libavdevice/decklink_enc.cpp | 2 ++
libavdevice/decklink_enc_c.c | 5 +++++
6 files changed, 30 insertions(+)
diff --git a/doc/outdevs.texi b/doc/outdevs.texi
index aaf2479..dd55904 100644
--- a/doc/outdevs.texi
+++ b/doc/outdevs.texi
@@ -205,6 +205,11 @@ Defaults to @samp{unset}.
Sets the genlock timing pixel offset on the used output.
Defaults to @samp{unset}.
+@item link
+Sets the video link configuration on the used output. Must be @samp{unset},
@samp{single},
+@samp{dual}, @samp{quad}.
Sets the SDI video link configuration on the used output. Must be
@samp{unset}, @samp{single} link SDI, @samp{dual} link SDI or @samp{quad}
link SDI.
+Defaults to @samp{unset}.
+
@end table
@subsection Examples
diff --git a/libavdevice/decklink_common.cpp b/libavdevice/decklink_common.cpp
index 24aa9b1..d7b4829 100644
--- a/libavdevice/decklink_common.cpp
+++ b/libavdevice/decklink_common.cpp
@@ -214,6 +214,15 @@ int ff_decklink_set_configs(AVFormatContext *avctx,
if (res != S_OK)
av_log(avctx, AV_LOG_WARNING, "Setting timing offset failed.\n");
}
+
+ if (direction == DIRECTION_OUT && ctx->link > 0 ) {
stray whitespace before )
+ res = ctx->cfg->SetInt(bmdDeckLinkConfigSDIOutputLinkConfiguration,
ctx->link);
+ if (res != S_OK)
+ 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);
+ }
+
return 0;
}
diff --git a/libavdevice/decklink_common.h b/libavdevice/decklink_common.h
index 6e03295..ad8b33c 100644
--- a/libavdevice/decklink_common.h
+++ b/libavdevice/decklink_common.h
@@ -131,6 +131,7 @@ struct decklink_ctx {
int64_t teletext_lines;
double preroll;
int duplex_mode;
+ BMDLinkConfiguration link;
DecklinkPtsSource audio_pts_source;
DecklinkPtsSource video_pts_source;
int draw_bars;
@@ -200,6 +201,13 @@ static const BMDTimecodeFormat
decklink_timecode_format_map[] = {
#endif
};
+static const BMDLinkConfiguration decklink_link_conf_map[] = {
+ (BMDLinkConfiguration)0,
+ bmdLinkConfigurationSingleLink,
+ bmdLinkConfigurationDualLink,
+ bmdLinkConfigurationQuadLink
+};
+
int ff_decklink_set_configs(AVFormatContext *avctx, decklink_direction_t
direction);
int ff_decklink_set_format(AVFormatContext *avctx, int width, int height, int
tb_num, int tb_den, enum AVFieldOrder field_order, decklink_direction_t
direction = DIRECTION_OUT);
int ff_decklink_set_format(AVFormatContext *avctx, decklink_direction_t
direction);
diff --git a/libavdevice/decklink_common_c.h b/libavdevice/decklink_common_c.h
index 68978fa..f37e0c0 100644
--- a/libavdevice/decklink_common_c.h
+++ b/libavdevice/decklink_common_c.h
@@ -48,6 +48,7 @@ struct decklink_cctx {
int audio_channels;
int audio_depth;
int duplex_mode;
+ int link;
DecklinkPtsSource audio_pts_source;
DecklinkPtsSource video_pts_source;
int audio_input;
diff --git a/libavdevice/decklink_enc.cpp b/libavdevice/decklink_enc.cpp
index 4c1eb05..6dec5f3 100644
--- a/libavdevice/decklink_enc.cpp
+++ b/libavdevice/decklink_enc.cpp
@@ -559,6 +559,8 @@ av_cold int ff_decklink_write_header(AVFormatContext *avctx)
ctx->list_formats = cctx->list_formats;
ctx->preroll = cctx->preroll;
ctx->duplex_mode = cctx->duplex_mode;
+ if (cctx->link > 0 && (unsigned int)cctx->link <
FF_ARRAY_ELEMS(decklink_link_conf_map))
+ ctx->link = decklink_link_conf_map[cctx->link];
cctx->ctx = ctx;
#if CONFIG_LIBKLVANC
if (klvanc_context_create(&ctx->vanc_ctx) < 0) {
diff --git a/libavdevice/decklink_enc_c.c b/libavdevice/decklink_enc_c.c
index 828cf5d..d85d540 100644
--- a/libavdevice/decklink_enc_c.c
+++ b/libavdevice/decklink_enc_c.c
@@ -35,6 +35,11 @@ static const AVOption options[] = {
{ "unset" , NULL , 0 , AV_OPT_TYPE_CONST
, { .i64 = 0 }, 0, 0, ENC, "duplex_mode"},
{ "half" , NULL , 0 , AV_OPT_TYPE_CONST
, { .i64 = 1 }, 0, 0, ENC, "duplex_mode"},
{ "full" , NULL , 0 , AV_OPT_TYPE_CONST
, { .i64 = 2 }, 0, 0, ENC, "duplex_mode"},
+ { "link" , "link configure" , OFFSET(link) , AV_OPT_TYPE_INT
, { .i64 = 0 }, 0, 3, ENC, "link"},
"single/dual/quad SDI link configuration"
+ { "unset" , NULL , 0 ,
AV_OPT_TYPE_CONST , { .i64 = 0 }, 0, 0, ENC, "link"},
+ { "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"},
{ "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 },
Thanks,
Marton
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