3 * Copyright (c) 2012 Carl Eugen Hoyos
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 static av_cold int v408_decode_init(AVCodecContext *avctx)
27 avctx->pix_fmt = AV_PIX_FMT_YUVA444P;
32 static int v408_decode_frame(AVCodecContext *avctx, void *data,
33 int *got_frame, AVPacket *avpkt)
36 const uint8_t *src = avpkt->data;
37 uint8_t *y, *u, *v, *a;
40 if (avpkt->size < 4 * avctx->height * avctx->width) {
41 av_log(avctx, AV_LOG_ERROR, "Insufficient input data.\n");
42 return AVERROR(EINVAL);
45 if ((ret = ff_get_buffer(avctx, pic, 0)) < 0)
49 pic->pict_type = AV_PICTURE_TYPE_I;
56 for (i = 0; i < avctx->height; i++) {
57 for (j = 0; j < avctx->width; j++) {
58 if (avctx->codec_id==AV_CODEC_ID_AYUV) {
71 y += pic->linesize[0];
72 u += pic->linesize[1];
73 v += pic->linesize[2];
74 a += pic->linesize[3];
82 #if CONFIG_AYUV_DECODER
83 AVCodec ff_ayuv_decoder = {
85 .long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed MS 4:4:4:4"),
86 .type = AVMEDIA_TYPE_VIDEO,
87 .id = AV_CODEC_ID_AYUV,
88 .init = v408_decode_init,
89 .decode = v408_decode_frame,
90 .capabilities = AV_CODEC_CAP_DR1,
91 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
94 #if CONFIG_V408_DECODER
95 AVCodec ff_v408_decoder = {
97 .long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed QT 4:4:4:4"),
98 .type = AVMEDIA_TYPE_VIDEO,
99 .id = AV_CODEC_ID_V408,
100 .init = v408_decode_init,
101 .decode = v408_decode_frame,
102 .capabilities = AV_CODEC_CAP_DR1,
103 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,