diff options
| author | Wenbin Chen <wenbin.chen-at-intel.com@ffmpeg.org> | 2022-09-06 17:22:55 +0800 |
|---|---|---|
| committer | Haihao Xiang <haihao.xiang@intel.com> | 2022-09-09 09:39:44 +0800 |
| commit | f3ba1458b6787484978e9a8f1560dcabfefba92d (patch) | |
| tree | 0dfd1c4c184d6739d10823c8c2058c50e7779a83 | |
| parent | d60f657a50773ae8371585539bf484aa072bfc71 (diff) | |
| download | ffmpeg-f3ba1458b6787484978e9a8f1560dcabfefba92d.tar.gz | |
libavcodec/qsvenc: Add "slice" intra refresh type to qsvenc
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.chen@intel.com>
| -rw-r--r-- | doc/encoders.texi | 12 | ||||
| -rw-r--r-- | libavcodec/qsvenc_h264.c | 1 | ||||
| -rw-r--r-- | libavcodec/qsvenc_hevc.c | 1 |
3 files changed, 10 insertions, 4 deletions
diff --git a/doc/encoders.texi b/doc/encoders.texi index 51178c9f5c..333a47d2a7 100644 --- a/doc/encoders.texi +++ b/doc/encoders.texi @@ -3441,8 +3441,10 @@ 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 @@ -3641,8 +3643,10 @@ 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 3fae8f0200..85826ae4be 100644 --- a/libavcodec/qsvenc_h264.c +++ b/libavcodec/qsvenc_h264.c @@ -140,6 +140,7 @@ 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 45b373d643..6ec6230999 100644 --- a/libavcodec/qsvenc_hevc.c +++ b/libavcodec/qsvenc_hevc.c @@ -271,6 +271,7 @@ 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 }, |