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145 lines
6.0 KiB
145 lines
6.0 KiB
/* |
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* Intel MediaSDK QSV encoder utility functions |
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* |
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* copyright (c) 2013 Yukinori Yamazoe |
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* |
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* This file is part of Libav. |
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* |
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* Libav is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* Libav is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with Libav; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef AVCODEC_QSVENC_H |
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#define AVCODEC_QSVENC_H |
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#include <stdint.h> |
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#include <sys/types.h> |
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#include <mfx/mfxvideo.h> |
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#include "libavutil/avutil.h" |
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#include "libavutil/fifo.h" |
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#include "avcodec.h" |
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#include "qsv_internal.h" |
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#define QSV_HAVE_CO2 QSV_VERSION_ATLEAST(1, 6) |
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#define QSV_HAVE_CO3 QSV_VERSION_ATLEAST(1, 11) |
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#define QSV_HAVE_TRELLIS QSV_VERSION_ATLEAST(1, 8) |
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#define QSV_HAVE_MAX_SLICE_SIZE QSV_VERSION_ATLEAST(1, 9) |
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#define QSV_HAVE_BREF_TYPE QSV_VERSION_ATLEAST(1, 8) |
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#define QSV_HAVE_LA QSV_VERSION_ATLEAST(1, 7) |
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#define QSV_HAVE_LA_HRD QSV_VERSION_ATLEAST(1, 11) |
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#define QSV_HAVE_ICQ QSV_VERSION_ATLEAST(1, 8) |
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#define QSV_HAVE_VCM QSV_VERSION_ATLEAST(1, 8) |
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#define QSV_HAVE_QVBR QSV_VERSION_ATLEAST(1, 11) |
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#define QSV_COMMON_OPTS \ |
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{ "async_depth", "Maximum processing parallelism", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 0, INT_MAX, VE }, \ |
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{ "avbr_accuracy", "Accuracy of the AVBR ratecontrol", OFFSET(qsv.avbr_accuracy), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, \ |
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{ "avbr_convergence", "Convergence of the AVBR ratecontrol", OFFSET(qsv.avbr_convergence), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, \ |
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{ "preset", NULL, OFFSET(qsv.preset), AV_OPT_TYPE_INT, { .i64 = MFX_TARGETUSAGE_BALANCED }, 0, 7, VE, "preset" }, \ |
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{ "fast", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_SPEED }, INT_MIN, INT_MAX, VE, "preset" }, \ |
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{ "medium", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BALANCED }, INT_MIN, INT_MAX, VE, "preset" }, \ |
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{ "slow", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_QUALITY }, INT_MIN, INT_MAX, VE, "preset" }, \ |
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{ "la_depth", "Number of frames to analyze before encoding.", OFFSET(qsv.la_depth), AV_OPT_TYPE_INT, { .i64 = 9 }, 9, 100, VE, "la_depth" }, \ |
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{ "unset", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = 9 }, INT_MIN, INT_MAX, VE, "la_depth" }, \ |
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{ "vcm", "Use the video conferencing mode ratecontrol", OFFSET(qsv.vcm), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE }, \ |
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{ "rdo", "Enable rate distortion optimization", OFFSET(qsv.rdo), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \ |
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{ "max_frame_size", "Maximum encoded frame size in bytes", OFFSET(qsv.max_frame_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT16_MAX, VE }, \ |
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{ "max_slice_size", "Maximum encoded slice size in bytes", OFFSET(qsv.max_slice_size), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, UINT16_MAX, VE }, \ |
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{ "bitrate_limit", "Toggle bitrate limitations", OFFSET(qsv.bitrate_limit), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \ |
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{ "mbbrc", "MB level bitrate control", OFFSET(qsv.mbbrc), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \ |
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{ "extbrc", "Extended bitrate control", OFFSET(qsv.extbrc), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \ |
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{ "adaptive_i", "Adaptive I-frame placement", OFFSET(qsv.adaptive_i), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \ |
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{ "adaptive_b", "Adaptive B-frame placement", OFFSET(qsv.adaptive_b), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \ |
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{ "b_strategy", "Strategy to choose between I/P/B-frames", OFFSET(qsv.b_strategy), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 1, VE }, \ |
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{ "cavlc", "Enable CAVLC", OFFSET(qsv.cavlc), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, 1, VE }, \ |
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typedef struct QSVEncContext { |
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AVCodecContext *avctx; |
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QSVFrame *work_frames; |
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mfxSession session; |
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mfxSession internal_session; |
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int packet_size; |
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int width_align; |
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int height_align; |
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mfxVideoParam param; |
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mfxFrameAllocRequest req; |
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mfxExtCodingOption extco; |
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#if QSV_HAVE_CO2 |
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mfxExtCodingOption2 extco2; |
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#endif |
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mfxExtOpaqueSurfaceAlloc opaque_alloc; |
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mfxFrameSurface1 **opaque_surfaces; |
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AVBufferRef *opaque_alloc_buf; |
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mfxExtBuffer *extparam_internal[2 + QSV_HAVE_CO2]; |
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int nb_extparam_internal; |
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mfxExtBuffer **extparam; |
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AVFifoBuffer *async_fifo; |
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QSVFramesContext frames_ctx; |
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// options set by the caller |
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int async_depth; |
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int idr_interval; |
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int profile; |
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int preset; |
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int avbr_accuracy; |
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int avbr_convergence; |
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int la_depth; |
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int vcm; |
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int rdo; |
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int max_frame_size; |
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int max_slice_size; |
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int single_sei_nal_unit; |
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int max_dec_frame_buffering; |
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int trellis; |
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int bitrate_limit; |
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int mbbrc; |
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int extbrc; |
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int adaptive_i; |
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int adaptive_b; |
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int b_strategy; |
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int cavlc; |
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int int_ref_type; |
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int int_ref_cycle_size; |
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int int_ref_qp_delta; |
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int recovery_point_sei; |
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char *load_plugins; |
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} QSVEncContext; |
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int ff_qsv_enc_init(AVCodecContext *avctx, QSVEncContext *q); |
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int ff_qsv_encode(AVCodecContext *avctx, QSVEncContext *q, |
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AVPacket *pkt, const AVFrame *frame, int *got_packet); |
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int ff_qsv_enc_close(AVCodecContext *avctx, QSVEncContext *q); |
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#endif /* AVCODEC_QSVENC_H */
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