Since adaptive_i support is broken, this allows the QSV encoder to use scene-
change hints from the input stream if force_key_frames = source is used. The
result will be improved transcoding quality at scene change boundaries.
Signed-off-by: Will Kelleher <wkelle...@gogoair.com>
---
libavcodec/qsvenc.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
index d00fdff..74e40f7 100644
--- a/libavcodec/qsvenc.c
+++ b/libavcodec/qsvenc.c
@@ -939,6 +939,17 @@ int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q,
q->set_encode_ctrl_cb(avctx, frame, &qsv_frame->enc_ctrl);
}
+ if (enc_ctrl) {
+ if (frame->pict_type == AV_PICTURE_TYPE_I) {
+ enc_ctrl->FrameType = MFX_FRAMETYPE_I | MFX_FRAMETYPE_REF;
+ if (frame->key_frame) {
+ enc_ctrl->FrameType |= MFX_FRAMETYPE_IDR;
+ }
+ } else {
+ enc_ctrl->FrameType = 0;
+ }
+ }
+
do {
ret = MFXVideoENCODE_EncodeFrameAsync(q->session, enc_ctrl, surf, bs,
&sync);
if (ret == MFX_WRN_DEVICE_BUSY) {
--
2.6.2
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