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lavc/qsvenc: add Tiles encode support for HEVC

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Add -tile_rows and -tile_cols option to specify the number of tile rows
and columns for ICL+ (gen 11) platform.

A tile must wholly contain all the slices within it. Slices cannot cross
tile boundaries. So the slice number would be implicitly resized to the
max(nSlice, nTile).

Example:
    ffmpeg -v verbose -hwaccel qsv -init_hw_device qsv=hw
    -filter_hw_device hw -f rawvideo -s:v 1920x1080 -i ./input.nv12 -vf
    format=nv12,hwupload=extra_hw_frames=64 -c:v hevc_qsv -tile_rows 2
    -tile_cols 2 -slices 4 -y output.h265

Also dump the actual quantity of encoded tiled rows and columns in run
time.

Fix the enhancement #8400.

Signed-off-by: Linjie Fu <linjie.fu@intel.com>
This commit is contained in:
Linjie Fu 2019-11-26 11:56:18 +08:00 committed by Zhong Li
parent 0ceed513d5
commit 8446318502
3 changed files with 41 additions and 1 deletions
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32
libavcodec/qsvenc.c
View File

@ -139,6 +139,9 @@ static void dump_video_param(AVCodecContext *avctx, QSVEncContext *q,
#if QSV_HAVE_CO3
mfxExtCodingOption3 *co3 = (mfxExtCodingOption3*)coding_opts[2];
#endif
#if QSV_HAVE_EXT_HEVC_TILES
mfxExtHEVCTiles *exthevctiles = (mfxExtHEVCTiles *)coding_opts[3 + QSV_HAVE_CO_VPS];
#endif
av_log(avctx, AV_LOG_VERBOSE, "profile: %s; level: %"PRIu16"\n",
print_profile(info->CodecProfile), info->CodecLevel);
@ -204,6 +207,12 @@ static void dump_video_param(AVCodecContext *avctx, QSVEncContext *q,
av_log(avctx, AV_LOG_VERBOSE, "RateDistortionOpt: %s\n",
print_threestate(co->RateDistortionOpt));
#if QSV_HAVE_EXT_HEVC_TILES
if (avctx->codec_id == AV_CODEC_ID_HEVC)
av_log(avctx, AV_LOG_VERBOSE, "NumTileColumns: %"PRIu16"; NumTileRows: %"PRIu16"\n",
exthevctiles->NumTileColumns, exthevctiles->NumTileRows);
#endif
#if QSV_HAVE_CO2
av_log(avctx, AV_LOG_VERBOSE,
"RecoveryPointSEI: %s IntRefType: %"PRIu16"; IntRefCycleSize: %"PRIu16"; IntRefQPDelta: %"PRId16"\n",
@ -771,6 +780,16 @@ FF_ENABLE_DEPRECATION_WARNINGS
}
#endif
#if QSV_HAVE_EXT_HEVC_TILES
if (avctx->codec_id == AV_CODEC_ID_HEVC) {
q->exthevctiles.Header.BufferId = MFX_EXTBUFF_HEVC_TILES;
q->exthevctiles.Header.BufferSz = sizeof(q->exthevctiles);
q->exthevctiles.NumTileColumns = q->tile_cols;
q->exthevctiles.NumTileRows = q->tile_rows;
q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer *)&q->exthevctiles;
}
#endif
if (!check_enc_param(avctx,q)) {
av_log(avctx, AV_LOG_ERROR,
"some encoding parameters are not supported by the QSV "
@ -889,7 +908,14 @@ static int qsv_retrieve_enc_params(AVCodecContext *avctx, QSVEncContext *q)
};
#endif
mfxExtBuffer *ext_buffers[2 + QSV_HAVE_CO2 + QSV_HAVE_CO3 + QSV_HAVE_CO_VPS];
#if QSV_HAVE_EXT_HEVC_TILES
mfxExtHEVCTiles hevc_tile_buf = {
.Header.BufferId = MFX_EXTBUFF_HEVC_TILES,
.Header.BufferSz = sizeof(hevc_tile_buf),
};
#endif
mfxExtBuffer *ext_buffers[2 + QSV_HAVE_CO2 + QSV_HAVE_CO3 + QSV_HAVE_CO_VPS + QSV_HAVE_EXT_HEVC_TILES];
int need_pps = avctx->codec_id != AV_CODEC_ID_MPEG2VIDEO;
int ret, ext_buf_num = 0, extradata_offset = 0;
@ -907,6 +933,10 @@ static int qsv_retrieve_enc_params(AVCodecContext *avctx, QSVEncContext *q)
if (q->hevc_vps)
ext_buffers[ext_buf_num++] = (mfxExtBuffer*)&extradata_vps;
#endif
#if QSV_HAVE_EXT_HEVC_TILES
if (avctx->codec_id == AV_CODEC_ID_HEVC)
ext_buffers[ext_buf_num++] = (mfxExtBuffer*)&hevc_tile_buf;
#endif
q->param.ExtParam = ext_buffers;
q->param.NumExtParam = ext_buf_num;

7
libavcodec/qsvenc.h
View File

@ -38,6 +38,7 @@
#define QSV_HAVE_CO3 QSV_VERSION_ATLEAST(1, 11)
#define QSV_HAVE_CO_VPS QSV_VERSION_ATLEAST(1, 17)
#define QSV_HAVE_EXT_HEVC_TILES QSV_VERSION_ATLEAST(1, 13)
#define QSV_HAVE_EXT_VP9_PARAM QSV_VERSION_ATLEAST(1, 26)
#define QSV_HAVE_TRELLIS QSV_VERSION_ATLEAST(1, 8)
@ -124,6 +125,9 @@ typedef struct QSVEncContext {
mfxExtMultiFrameParam extmfp;
mfxExtMultiFrameControl extmfc;
#endif
#if QSV_HAVE_EXT_HEVC_TILES
mfxExtHEVCTiles exthevctiles;
#endif
#if QSV_HAVE_EXT_VP9_PARAM
mfxExtVP9Param extvp9param;
#endif
@ -161,6 +165,9 @@ typedef struct QSVEncContext {
int max_frame_size;
int max_slice_size;
int tile_cols;
int tile_rows;
int aud;
int single_sei_nal_unit;

3
libavcodec/qsvenc_hevc.c
View File

@ -243,6 +243,9 @@ static const AVOption options[] = {
{ "gpb", "1: GPB (generalized P/B frame); 0: regular P frame", OFFSET(qsv.gpb), AV_OPT_TYPE_BOOL, { .i64 = 1 }, 0, 1, VE},
{ "tile_cols", "Number of columns for tiled encoding", OFFSET(qsv.tile_cols), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_MAX, VE },
{ "tile_rows", "Number of rows for tiled encoding", OFFSET(qsv.tile_rows), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, UINT16_MAX, VE },
{ NULL },
};