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"
26 static av_cold int v408_encode_init(AVCodecContext *avctx)
28 avctx->coded_frame = avcodec_alloc_frame();
30 if (!avctx->coded_frame) {
31 av_log(avctx, AV_LOG_ERROR, "Could not allocate frame.\n");
32 return AVERROR(ENOMEM);
38 static int v408_encode_frame(AVCodecContext *avctx, uint8_t *buf,
39 int buf_size, void *data)
43 uint8_t *y, *u, *v, *a;
47 if (buf_size < avctx->width * avctx->height * 4) {
48 av_log(avctx, AV_LOG_ERROR, "Out buffer is too small.\n");
49 return AVERROR(ENOMEM);
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) {
76 y += pic->linesize[0];
77 u += pic->linesize[1];
78 v += pic->linesize[2];
79 a += pic->linesize[3];
85 static av_cold int v408_encode_close(AVCodecContext *avctx)
87 av_freep(&avctx->coded_frame);
92 #if CONFIG_AYUV_ENCODER
93 AVCodec ff_ayuv_encoder = {
95 .type = AVMEDIA_TYPE_VIDEO,
97 .init = v408_encode_init,
98 .encode = v408_encode_frame,
99 .close = v408_encode_close,
100 .pix_fmts = (const enum PixelFormat[]){ PIX_FMT_YUVA444P, PIX_FMT_NONE },
101 .long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed MS 4:4:4:4"),
104 #if CONFIG_V408_ENCODER
105 AVCodec ff_v408_encoder = {
107 .type = AVMEDIA_TYPE_VIDEO,
109 .init = v408_encode_init,
110 .encode = v408_encode_frame,
111 .close = v408_encode_close,
112 .pix_fmts = (const enum PixelFormat[]){ PIX_FMT_YUVA444P, PIX_FMT_NONE },
113 .long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed QT 4:4:4:4"),