From c0479010125b8ec7eafe6cd55574cee9c3aeb475 Mon Sep 17 00:00:00 2001 From: Marton Balint Date: Sun, 25 Nov 2018 01:38:05 +0100 Subject: [PATCH] avdevice/decklink_enc: add support for setting genlock timing offset Signed-off-by: Marton Balint --- doc/outdevs.texi | 4 ++++ libavdevice/decklink_common.cpp | 5 +++++ libavdevice/decklink_common_c.h | 1 + libavdevice/decklink_enc_c.c | 2 ++ libavdevice/version.h | 2 +- 5 files changed, 13 insertions(+), 1 deletion(-) diff --git a/doc/outdevs.texi b/doc/outdevs.texi index 7509ac695d..1fd83c28cc 100644 --- a/doc/outdevs.texi +++ b/doc/outdevs.texi @@ -155,6 +155,10 @@ Defaults to @option{0.5}. Sets the decklink device duplex mode. Must be @samp{unset}, @samp{half} or @samp{full}. Defaults to @samp{unset}. +@item timing_offset +Sets the genlock timing pixel offset on the used output. +Defaults to @samp{unset}. + @end table @subsection Examples diff --git a/libavdevice/decklink_common.cpp b/libavdevice/decklink_common.cpp index 130e70b2ca..d3cc1eb3d1 100644 --- a/libavdevice/decklink_common.cpp +++ b/libavdevice/decklink_common.cpp @@ -171,6 +171,11 @@ int ff_decklink_set_configs(AVFormatContext *avctx, if (ret < 0) return ret; } + if (direction == DIRECTION_OUT && cctx->timing_offset != INT_MIN) { + res = ctx->cfg->SetInt(bmdDeckLinkConfigReferenceInputTimingOffset, cctx->timing_offset); + if (res != S_OK) + av_log(avctx, AV_LOG_WARNING, "Setting timing offset failed.\n"); + } return 0; } diff --git a/libavdevice/decklink_common_c.h b/libavdevice/decklink_common_c.h index 8e3bbeb7df..ca85ec2504 100644 --- a/libavdevice/decklink_common_c.h +++ b/libavdevice/decklink_common_c.h @@ -57,6 +57,7 @@ struct decklink_cctx { int64_t queue_size; int copyts; int64_t timestamp_align; + int timing_offset; }; #endif /* AVDEVICE_DECKLINK_COMMON_C_H */ diff --git a/libavdevice/decklink_enc_c.c b/libavdevice/decklink_enc_c.c index 6169078159..63cbd39ecd 100644 --- a/libavdevice/decklink_enc_c.c +++ b/libavdevice/decklink_enc_c.c @@ -35,6 +35,8 @@ 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"}, + { "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 }, }; diff --git a/libavdevice/version.h b/libavdevice/version.h index edf26bdc1a..e6ae2c44fc 100644 --- a/libavdevice/version.h +++ b/libavdevice/version.h @@ -29,7 +29,7 @@ #define LIBAVDEVICE_VERSION_MAJOR 58 #define LIBAVDEVICE_VERSION_MINOR 6 -#define LIBAVDEVICE_VERSION_MICRO 100 +#define LIBAVDEVICE_VERSION_MICRO 101 #define LIBAVDEVICE_VERSION_INT AV_VERSION_INT(LIBAVDEVICE_VERSION_MAJOR, \ LIBAVDEVICE_VERSION_MINOR, \