105 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			105 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * v408 encoder
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|  *
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|  * Copyright (c) 2012 Carl Eugen Hoyos
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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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| #include "libavutil/intreadwrite.h"
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| #include "avcodec.h"
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| #include "internal.h"
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| 
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| static av_cold int v408_encode_init(AVCodecContext *avctx)
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| {
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| 
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|     return 0;
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| }
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| 
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| static int v408_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
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|                              const AVFrame *pic, int *got_packet)
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| {
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|     uint8_t *dst;
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|     uint8_t *y, *u, *v, *a;
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|     int i, j, ret;
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| 
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|     if ((ret = ff_alloc_packet2(avctx, pkt, avctx->width * avctx->height * 4, 0)) < 0)
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|         return ret;
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|     dst = pkt->data;
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| 
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|     y = pic->data[0];
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|     u = pic->data[1];
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|     v = pic->data[2];
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|     a = pic->data[3];
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| 
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|     for (i = 0; i < avctx->height; i++) {
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|         for (j = 0; j < avctx->width; j++) {
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|            if (avctx->codec_id==AV_CODEC_ID_AYUV) {
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|                 *dst++ = v[j];
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|                 *dst++ = u[j];
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|                 *dst++ = y[j];
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|                 *dst++ = a[j];
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|             } else {
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|                 *dst++ = u[j];
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|                 *dst++ = y[j];
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|                 *dst++ = v[j];
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|                 *dst++ = a[j];
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|             }
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|         }
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|         y += pic->linesize[0];
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|         u += pic->linesize[1];
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|         v += pic->linesize[2];
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|         a += pic->linesize[3];
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|     }
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| 
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|     pkt->flags |= AV_PKT_FLAG_KEY;
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|     *got_packet = 1;
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|     return 0;
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| }
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| 
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| static av_cold int v408_encode_close(AVCodecContext *avctx)
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| {
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|     return 0;
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| }
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| 
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| #if CONFIG_AYUV_ENCODER
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| AVCodec ff_ayuv_encoder = {
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|     .name         = "ayuv",
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|     .long_name    = NULL_IF_CONFIG_SMALL("Uncompressed packed MS 4:4:4:4"),
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|     .type         = AVMEDIA_TYPE_VIDEO,
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|     .id           = AV_CODEC_ID_AYUV,
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|     .init         = v408_encode_init,
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|     .encode2      = v408_encode_frame,
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|     .close        = v408_encode_close,
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|     .pix_fmts     = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUVA444P, AV_PIX_FMT_NONE },
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|     .capabilities = AV_CODEC_CAP_INTRA_ONLY,
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| };
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| #endif
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| #if CONFIG_V408_ENCODER
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| AVCodec ff_v408_encoder = {
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|     .name         = "v408",
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|     .long_name    = NULL_IF_CONFIG_SMALL("Uncompressed packed QT 4:4:4:4"),
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|     .type         = AVMEDIA_TYPE_VIDEO,
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|     .id           = AV_CODEC_ID_V408,
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|     .init         = v408_encode_init,
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|     .encode2      = v408_encode_frame,
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|     .close        = v408_encode_close,
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|     .pix_fmts     = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUVA444P, AV_PIX_FMT_NONE },
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|     .capabilities = AV_CODEC_CAP_INTRA_ONLY,
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| };
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| #endif
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