Enables option for hevc_qsv encoder:
-extbrc
Improvements in BD-Rate could be observed with extbrc on.
Signed-off-by: Linjie Fu <[email protected]>
---
Details for extbrc:
https://github.com/Intel-Media-SDK/MediaSDK/blob/master/doc/mediasdk-man.md#external-bit-rate-control
The improvement differs depending on the platform/clips/bitrate.
Based on the verifying on ICL, ~20% improvement in BD-Rate could be observed.
libavcodec/qsvenc.c | 18 ++++++++++++------
1 file changed, 12 insertions(+), 6 deletions(-)
diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
index 9e41650..7f964ad 100644
--- a/libavcodec/qsvenc.c
+++ b/libavcodec/qsvenc.c
@@ -681,11 +681,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer
*)&q->extco;
- if (avctx->codec_id == AV_CODEC_ID_H264) {
#if QSV_HAVE_CO2
- q->extco2.Header.BufferId = MFX_EXTBUFF_CODING_OPTION2;
- q->extco2.Header.BufferSz = sizeof(q->extco2);
-
+ if (avctx->codec_id == AV_CODEC_ID_H264) {
if (q->int_ref_type >= 0)
q->extco2.IntRefType = q->int_ref_type;
if (q->int_ref_cycle_size >= 0)
@@ -697,8 +694,6 @@ FF_ENABLE_DEPRECATION_WARNINGS
q->extco2.BitrateLimit = q->bitrate_limit ?
MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
if (q->mbbrc >= 0)
q->extco2.MBBRC = q->mbbrc ? MFX_CODINGOPTION_ON :
MFX_CODINGOPTION_OFF;
- if (q->extbrc >= 0)
- q->extco2.ExtBRC = q->extbrc ? MFX_CODINGOPTION_ON :
MFX_CODINGOPTION_OFF;
if (q->max_frame_size >= 0)
q->extco2.MaxFrameSize = q->max_frame_size;
@@ -746,9 +741,20 @@ FF_ENABLE_DEPRECATION_WARNINGS
q->extco2.MaxQPP = q->extco2.MaxQPB = q->extco2.MaxQPI;
}
#endif
+ }
+
+ if (avctx->codec_id == AV_CODEC_ID_H264 || avctx->codec_id ==
AV_CODEC_ID_HEVC) {
+ if (q->extbrc >= 0)
+ q->extco2.ExtBRC = q->extbrc ? MFX_CODINGOPTION_ON :
MFX_CODINGOPTION_OFF;
+
+ q->extco2.Header.BufferId = MFX_EXTBUFF_CODING_OPTION2;
+ q->extco2.Header.BufferSz = sizeof(q->extco2);
+
q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer
*)&q->extco2;
+ }
#endif
+ if (avctx->codec_id == AV_CODEC_ID_H264) {
#if QSV_HAVE_MF
if (QSV_RUNTIME_VERSION_ATLEAST(q->ver, 1, 25)) {
q->extmfp.Header.BufferId = MFX_EXTBUFF_MULTI_FRAME_PARAM;
--
2.7.4
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