From 3a85397e8bb477eb34678d9edc52893f57003226 Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Tue, 16 Jun 2015 18:22:11 +0200 Subject: lavc: add Intel libmfx-based MPEG2 encoder --- libavcodec/qsvenc_mpeg2.c | 117 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 117 insertions(+) create mode 100644 libavcodec/qsvenc_mpeg2.c (limited to 'libavcodec/qsvenc_mpeg2.c') diff --git a/libavcodec/qsvenc_mpeg2.c b/libavcodec/qsvenc_mpeg2.c new file mode 100644 index 0000000000..36010364d3 --- /dev/null +++ b/libavcodec/qsvenc_mpeg2.c @@ -0,0 +1,117 @@ +/* + * Intel MediaSDK QSV based MPEG-2 encoder + * + * This file is part of Libav. + * + * Libav is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * Libav is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with Libav; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + + +#include +#include + +#include + +#include "libavutil/common.h" +#include "libavutil/opt.h" + +#include "avcodec.h" +#include "internal.h" +#include "qsv.h" +#include "qsv_internal.h" +#include "qsvenc.h" + +typedef struct QSVMpeg2EncContext { + AVClass *class; + QSVEncContext qsv; +} QSVMpeg2EncContext; + +static av_cold int qsv_enc_init(AVCodecContext *avctx) +{ + QSVMpeg2EncContext *q = avctx->priv_data; + + return ff_qsv_enc_init(avctx, &q->qsv); +} + +static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt, + const AVFrame *frame, int *got_packet) +{ + QSVMpeg2EncContext *q = avctx->priv_data; + + return ff_qsv_encode(avctx, &q->qsv, pkt, frame, got_packet); +} + +static av_cold int qsv_enc_close(AVCodecContext *avctx) +{ + QSVMpeg2EncContext *q = avctx->priv_data; + + return ff_qsv_enc_close(avctx, &q->qsv); +} + +#define OFFSET(x) offsetof(QSVMpeg2EncContext, x) +#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM +static const AVOption options[] = { + { "async_depth", "Maximum processing parallelism", OFFSET(qsv.async_depth), AV_OPT_TYPE_INT, { .i64 = ASYNC_DEPTH_DEFAULT }, 0, INT_MAX, VE }, + { "avbr_accuracy", "Accuracy of the AVBR ratecontrol", OFFSET(qsv.avbr_accuracy), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, + { "avbr_convergence", "Convergence of the AVBR ratecontrol", OFFSET(qsv.avbr_convergence), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE }, + + { "profile", NULL, OFFSET(qsv.profile), AV_OPT_TYPE_INT, { .i64 = MFX_PROFILE_UNKNOWN }, 0, INT_MAX, VE, "profile" }, + { "unknown", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_UNKNOWN }, INT_MIN, INT_MAX, VE, "profile" }, + { "simple", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_MPEG2_SIMPLE }, INT_MIN, INT_MAX, VE, "profile" }, + { "main", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_MPEG2_MAIN }, INT_MIN, INT_MAX, VE, "profile" }, + { "high", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_MPEG2_HIGH }, INT_MIN, INT_MAX, VE, "profile" }, + + { "preset", NULL, OFFSET(qsv.preset), AV_OPT_TYPE_INT, { .i64 = MFX_TARGETUSAGE_BALANCED }, 0, 7, VE, "preset" }, + { "fast", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_SPEED }, INT_MIN, INT_MAX, VE, "preset" }, + { "medium", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BALANCED }, INT_MIN, INT_MAX, VE, "preset" }, + { "slow", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_TARGETUSAGE_BEST_QUALITY }, INT_MIN, INT_MAX, VE, "preset" }, + + { NULL }, +}; + +static const AVClass class = { + .class_name = "mpeg2_qsv encoder", + .item_name = av_default_item_name, + .option = options, + .version = LIBAVUTIL_VERSION_INT, +}; + +static const AVCodecDefault qsv_enc_defaults[] = { + { "b", "1M" }, + { "refs", "0" }, + // same as the x264 default + { "g", "250" }, + { "bf", "3" }, + + { "flags", "+cgop" }, + { NULL }, +}; + +AVCodec ff_mpeg2_qsv_encoder = { + .name = "mpeg2_qsv", + .long_name = NULL_IF_CONFIG_SMALL("MPEG-2 video (Intel Quick Sync Video acceleration)"), + .priv_data_size = sizeof(QSVMpeg2EncContext), + .type = AVMEDIA_TYPE_VIDEO, + .id = AV_CODEC_ID_MPEG2VIDEO, + .init = qsv_enc_init, + .encode2 = qsv_enc_frame, + .close = qsv_enc_close, + .capabilities = CODEC_CAP_DELAY, + .pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12, + AV_PIX_FMT_QSV, + AV_PIX_FMT_NONE }, + .priv_class = &class, + .defaults = qsv_enc_defaults, +}; -- cgit v1.2.3