4 * Copyright (c) 2012 Carl Eugen Hoyos
6 * This file is part of FFmpeg.
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 #include "libavutil/intreadwrite.h"
27 static av_cold int v408_encode_init(AVCodecContext *avctx)
29 avctx->coded_frame = avcodec_alloc_frame();
31 if (!avctx->coded_frame) {
32 av_log(avctx, AV_LOG_ERROR, "Could not allocate frame.\n");
33 return AVERROR(ENOMEM);
39 static int v408_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
40 const AVFrame *pic, int *got_packet)
43 uint8_t *y, *u, *v, *a;
46 if ((ret = ff_alloc_packet(pkt, avctx->width * avctx->height * 4)) < 0) {
47 av_log(avctx, AV_LOG_ERROR, "Out buffer is too small.\n");
52 avctx->coded_frame->reference = 0;
53 avctx->coded_frame->key_frame = 1;
54 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
61 for (i = 0; i < avctx->height; i++) {
62 for (j = 0; j < avctx->width; j++) {
63 if (avctx->codec_id==CODEC_ID_AYUV) {
75 y += pic->linesize[0];
76 u += pic->linesize[1];
77 v += pic->linesize[2];
78 a += pic->linesize[3];
81 pkt->flags |= AV_PKT_FLAG_KEY;
86 static av_cold int v408_encode_close(AVCodecContext *avctx)
88 av_freep(&avctx->coded_frame);
93 #if CONFIG_AYUV_ENCODER
94 AVCodec ff_ayuv_encoder = {
96 .type = AVMEDIA_TYPE_VIDEO,
98 .init = v408_encode_init,
99 .encode2 = v408_encode_frame,
100 .close = v408_encode_close,
101 .pix_fmts = (const enum PixelFormat[]){ PIX_FMT_YUVA444P, PIX_FMT_NONE },
102 .long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed MS 4:4:4:4"),
105 #if CONFIG_V408_ENCODER
106 AVCodec ff_v408_encoder = {
108 .type = AVMEDIA_TYPE_VIDEO,
110 .init = v408_encode_init,
111 .encode2 = v408_encode_frame,
112 .close = v408_encode_close,
113 .pix_fmts = (const enum PixelFormat[]){ PIX_FMT_YUVA444P, PIX_FMT_NONE },
114 .long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed QT 4:4:4:4"),