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			116 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			116 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Intel MediaSDK QSV based MPEG-2 encoder
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|  *
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|  * This file is part of FFmpeg.
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|  *
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|  * FFmpeg 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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|  * FFmpeg 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 FFmpeg; 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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| 
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| 
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| #include <stdint.h>
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| #include <sys/types.h>
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| 
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| #include <mfx/mfxvideo.h>
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| 
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| #include "libavutil/common.h"
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| #include "libavutil/opt.h"
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| 
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| #include "avcodec.h"
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| #include "internal.h"
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| #include "qsv.h"
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| #include "qsv_internal.h"
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| #include "qsvenc.h"
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| 
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| typedef struct QSVMpeg2EncContext {
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|     AVClass *class;
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|     QSVEncContext qsv;
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| } QSVMpeg2EncContext;
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| 
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| static av_cold int qsv_enc_init(AVCodecContext *avctx)
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| {
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|     QSVMpeg2EncContext *q = avctx->priv_data;
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| 
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|     return ff_qsv_enc_init(avctx, &q->qsv);
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| }
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| 
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| static int qsv_enc_frame(AVCodecContext *avctx, AVPacket *pkt,
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|                          const AVFrame *frame, int *got_packet)
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| {
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|     QSVMpeg2EncContext *q = avctx->priv_data;
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| 
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|     return ff_qsv_encode(avctx, &q->qsv, pkt, frame, got_packet);
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| }
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| 
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| static av_cold int qsv_enc_close(AVCodecContext *avctx)
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| {
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|     QSVMpeg2EncContext *q = avctx->priv_data;
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| 
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|     return ff_qsv_enc_close(avctx, &q->qsv);
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| }
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| 
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| #define OFFSET(x) offsetof(QSVMpeg2EncContext, x)
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| #define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
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| static const AVOption options[] = {
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|     QSV_COMMON_OPTS
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| 
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|     { "profile", NULL, OFFSET(qsv.profile), AV_OPT_TYPE_INT, { .i64 = MFX_PROFILE_UNKNOWN }, 0, INT_MAX, VE, "profile" },
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|     { "unknown", NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_UNKNOWN        }, INT_MIN, INT_MAX,     VE, "profile" },
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|     { "simple",  NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_MPEG2_SIMPLE   }, INT_MIN, INT_MAX,     VE, "profile" },
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|     { "main",    NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_MPEG2_MAIN     }, INT_MIN, INT_MAX,     VE, "profile" },
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|     { "high",    NULL, 0, AV_OPT_TYPE_CONST, { .i64 = MFX_PROFILE_MPEG2_HIGH     }, INT_MIN, INT_MAX,     VE, "profile" },
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| 
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|     { NULL },
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| };
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| 
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| static const AVClass class = {
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|     .class_name = "mpeg2_qsv encoder",
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|     .item_name  = av_default_item_name,
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|     .option     = options,
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|     .version    = LIBAVUTIL_VERSION_INT,
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| };
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| 
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| static const AVCodecDefault qsv_enc_defaults[] = {
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|     { "b",         "1M"    },
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|     { "refs",      "0"     },
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|     // same as the x264 default
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|     { "g",         "250"   },
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|     { "bf",        "3"     },
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|     { "trellis",   "-1"    },
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|     { "flags",     "+cgop" },
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| #if FF_API_PRIVATE_OPT
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|     { "b_strategy", "-1"   },
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| #endif
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|     { NULL },
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| };
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| 
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| AVCodec ff_mpeg2_qsv_encoder = {
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|     .name           = "mpeg2_qsv",
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|     .long_name      = NULL_IF_CONFIG_SMALL("MPEG-2 video (Intel Quick Sync Video acceleration)"),
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|     .priv_data_size = sizeof(QSVMpeg2EncContext),
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|     .type           = AVMEDIA_TYPE_VIDEO,
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|     .id             = AV_CODEC_ID_MPEG2VIDEO,
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|     .init           = qsv_enc_init,
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|     .encode2        = qsv_enc_frame,
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|     .close          = qsv_enc_close,
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|     .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_HYBRID,
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|     .pix_fmts       = (const enum AVPixelFormat[]){ AV_PIX_FMT_NV12,
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|                                                     AV_PIX_FMT_QSV,
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|                                                     AV_PIX_FMT_NONE },
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|     .priv_class     = &class,
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|     .defaults       = qsv_enc_defaults,
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|     .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
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|     .wrapper_name   = "qsv",
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| };
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