Add "slice" intra refresh type to h264_qsv and hevc_qsv. This type means
horizontal refresh by slices without overlapping. Also update the doc.
Signed-off-by: Wenbin Chen <wenbin.c...@intel.com>
---
doc/encoders.texi | 12 ++++++++----
libavcodec/qsvenc_h264.c | 1 +
libavcodec/qsvenc_hevc.c | 1 +
3 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/doc/encoders.texi b/doc/encoders.texi
index 9fb63856b1..48fe73fd33 100644
--- a/doc/encoders.texi
+++ b/doc/encoders.texi
@@ -3454,8 +3454,10 @@ Specifies intra refresh type. The major goal of intra
refresh is improvement of
error resilience without significant impact on encoded bitstream size caused by
I frames. The SDK encoder achieves this by encoding part of each frame in
refresh cycle using intra MBs. @var{none} means no refresh. @var{vertical}
means
-vertical refresh, by column of MBs. To enable intra refresh, B frame should be
-set to 0.
+vertical refresh, by column of MBs. @var{horizontal} means horizontal refresh,
+by rows of MBs. @var{slice} means horizontal refresh by slices without
+overlapping. In case of @var{slice}, in_ref_cycle_size is ignored. To enable
+intra refresh, B frame should be set to 0.
@item @var{int_ref_cycle_size}
Specifies number of pictures within refresh cycle starting from 2. 0 and 1 are
@@ -3619,8 +3621,10 @@ Specifies intra refresh type. The major goal of intra
refresh is improvement of
error resilience without significant impact on encoded bitstream size caused by
I frames. The SDK encoder achieves this by encoding part of each frame in
refresh cycle using intra MBs. @var{none} means no refresh. @var{vertical}
means
-vertical refresh, by column of MBs. To enable intra refresh, B frame should be
-set to 0.
+vertical refresh, by column of MBs. @var{horizontal} means horizontal refresh,
+by rows of MBs. @var{slice} means horizontal refresh by slices without
+overlapping. In case of @var{slice}, in_ref_cycle_size is ignored. To enable
+intra refresh, B frame should be set to 0.
@item @var{int_ref_cycle_size}
Specifies number of pictures within refresh cycle starting from 2. 0 and 1 are
diff --git a/libavcodec/qsvenc_h264.c b/libavcodec/qsvenc_h264.c
index ad9cf629df..b589fccc89 100644
--- a/libavcodec/qsvenc_h264.c
+++ b/libavcodec/qsvenc_h264.c
@@ -138,6 +138,7 @@ static const AVOption options[] = {
{ "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, .flags = VE,
"int_ref_type" },
{ "vertical", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, .flags = VE,
"int_ref_type" },
{ "horizontal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 2 }, .flags = VE,
"int_ref_type" },
+ { "slice" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 3 }, .flags = VE,
"int_ref_type" },
{ "int_ref_cycle_size", "Number of frames in the intra refresh cycle",
OFFSET(qsv.int_ref_cycle_size), AV_OPT_TYPE_INT, { .i64 = -1 },
-1, UINT16_MAX, VE },
{ "int_ref_qp_delta", "QP difference for the refresh MBs",
OFFSET(qsv.int_ref_qp_delta), AV_OPT_TYPE_INT, { .i64 = INT16_MIN },
INT16_MIN, INT16_MAX, VE },
{ "recovery_point_sei", "Insert recovery point SEI messages",
OFFSET(qsv.recovery_point_sei), AV_OPT_TYPE_INT, { .i64 = -1 },
-1, 1, VE },
diff --git a/libavcodec/qsvenc_hevc.c b/libavcodec/qsvenc_hevc.c
index e11f5dec4a..8fcf8b2cef 100644
--- a/libavcodec/qsvenc_hevc.c
+++ b/libavcodec/qsvenc_hevc.c
@@ -267,6 +267,7 @@ static const AVOption options[] = {
{ "none", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 0 }, .flags = VE,
"int_ref_type" },
{ "vertical", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 1 }, .flags = VE,
"int_ref_type" },
{ "horizontal", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 2 }, .flags = VE,
"int_ref_type" },
+ { "slice" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 3 }, .flags = VE,
"int_ref_type" },
{ "int_ref_cycle_size", "Number of frames in the intra refresh cycle",
OFFSET(qsv.int_ref_cycle_size), AV_OPT_TYPE_INT, { .i64 = -1 },
-1, UINT16_MAX, VE },
{ "int_ref_qp_delta", "QP difference for the refresh MBs",
OFFSET(qsv.int_ref_qp_delta), AV_OPT_TYPE_INT, { .i64 = INT16_MIN },
INT16_MIN, INT16_MAX, VE },
{ "int_ref_cycle_dist", "Distance between the beginnings of the
intra-refresh cycles in frames", OFFSET(qsv.int_ref_cycle_dist),
AV_OPT_TYPE_INT, { .i64 = -1 }, -1, INT16_MAX, VE },
--
2.32.0
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