/*
  * Intel MediaSDK QSV based MPEG-2 encoder
  *

  * This file is part of FFmpeg.

  *

  * FFmpeg 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.
  *

  * FFmpeg 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 FFmpeg; if not, write to the Free Software

  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 
 #include <stdint.h>
 #include <sys/types.h>
 
 #include <mfx/mfxvideo.h>
 
 #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[] = {

     QSV_COMMON_OPTS

 
     { "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" },
 
     { 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" },

 #if FF_API_PRIVATE_OPT

     { "b_strategy", "-1"   },

 #endif

     { 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   = AV_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,

     .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,

 };