diff options
Diffstat (limited to 'libavcodec/videotoolboxenc.c')
-rw-r--r-- | libavcodec/videotoolboxenc.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/libavcodec/videotoolboxenc.c b/libavcodec/videotoolboxenc.c index f53015ac9c..45a6a3348f 100644 --- a/libavcodec/videotoolboxenc.c +++ b/libavcodec/videotoolboxenc.c @@ -76,6 +76,7 @@ typedef struct VTEncContext { int64_t profile; int64_t level; int64_t entropy; + int64_t realtime; int64_t allow_sw; @@ -747,6 +748,16 @@ static av_cold int vtenc_init(AVCodecContext *avctx) } } + if (vtctx->realtime) { + status = VTSessionSetProperty(vtctx->session, + kVTCompressionPropertyKey_RealTime, + kCFBooleanTrue); + + if (status) { + av_log(avctx, AV_LOG_ERROR, "Error setting realtime property: %d\n", status); + } + } + status = VTCompressionSessionPrepareToEncodeFrames(vtctx->session); if (status) { av_log(avctx, AV_LOG_ERROR, "Error: cannot prepare encoder: %d\n", status); @@ -1520,6 +1531,9 @@ static const AVOption options[] = { { "cabac", "CABAC entropy coding", 0, AV_OPT_TYPE_CONST, { .i64 = VT_CABAC }, INT_MIN, INT_MAX, VE, "coder" }, { "ac", "CABAC entropy coding", 0, AV_OPT_TYPE_CONST, { .i64 = VT_CABAC }, INT_MIN, INT_MAX, VE, "coder" }, + { "realtime", "Hint that encoding should happen in real-time if not faster (e.g. capturing from camera).", + OFFSET(realtime), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE }, + { NULL }, }; |