[FFmpeg-devel] [PATCH 2/2] lavc/videotoolboxenc: enable low-latency mode for HEVC

[Jun Zhao]

Enable the HEVC encoder that supports low-latency mode.

Signed-off-by: Jun Zhao <barryjzhao at tencent.com>
---
 libavcodec/videotoolboxenc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavcodec/videotoolboxenc.c b/libavcodec/videotoolboxenc.c
index 8e493c4f7a..bfc03787a0 100644
--- a/libavcodec/videotoolboxenc.c
+++ b/libavcodec/videotoolboxenc.c
@@ -1568,7 +1568,8 @@ static int vtenc_configure_encoder(AVCodecContext *avctx)
 #endif
 
     // low-latency mode: eliminate frame reordering, follow a one-in-one-out encoding mode
-    if ((avctx->flags & AV_CODEC_FLAG_LOW_DELAY) && avctx->codec_id == AV_CODEC_ID_H264) {
+    if ((avctx->flags & AV_CODEC_FLAG_LOW_DELAY) &&
+        (avctx->codec_id == AV_CODEC_ID_H264 || avctx->codec_id == AV_CODEC_ID_HEVC)) {
         CFDictionarySetValue(enc_info,
                              compat_keys.kVTVideoEncoderSpecification_EnableLowLatencyRateControl,
                              kCFBooleanTrue);
-- 
2.25.1