4 * Copyright (c) 2009 Reimar Doeffinger <Reimar.Doeffinger@gmx.de>
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
24 #include "libavutil/bswap.h"
26 static av_cold int decode_init(AVCodecContext *avctx)
28 avctx->pix_fmt = PIX_FMT_RGB48;
29 avctx->bits_per_raw_sample = 10;
31 avctx->coded_frame = avcodec_alloc_frame();
36 static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
40 AVFrame *pic = avctx->coded_frame;
41 const uint32_t *src = (const uint32_t *)avpkt->data;
42 int aligned_width = FFALIGN(avctx->width, 64);
46 avctx->release_buffer(avctx, pic);
48 if (avpkt->size < 4 * aligned_width * avctx->height) {
49 av_log(avctx, AV_LOG_ERROR, "packet too small\n");
54 if (avctx->get_buffer(avctx, pic) < 0)
57 pic->pict_type = FF_I_TYPE;
59 dst_line = pic->data[0];
61 for (h = 0; h < avctx->height; h++) {
62 uint16_t *dst = (uint16_t *)dst_line;
63 for (w = 0; w < avctx->width; w++) {
64 uint32_t pixel = av_be2ne32(*src++);
67 g = (pixel >> 4) & 0xffc0;
68 r = (pixel >> 14) & 0xffc0;
69 *dst++ = r | (r >> 10);
70 *dst++ = g | (g >> 10);
71 *dst++ = b | (b >> 10);
73 src += aligned_width - avctx->width;
74 dst_line += pic->linesize[0];
77 *data_size = sizeof(AVFrame);
78 *(AVFrame*)data = *avctx->coded_frame;
83 static av_cold int decode_close(AVCodecContext *avctx)
85 AVFrame *pic = avctx->coded_frame;
87 avctx->release_buffer(avctx, pic);
88 av_freep(&avctx->coded_frame);
93 AVCodec r210_decoder = {
103 .long_name = NULL_IF_CONFIG_SMALL("Uncompressed RGB 10-bit"),