4 * Copyright (c) 2009 Reimar Doeffinger <Reimar.Doeffinger@gmx.de>
6 * This file is part of Libav.
8 * Libav 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 * Libav 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 Libav; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 #include "libavutil/bswap.h"
26 #include "libavutil/common.h"
28 static av_cold int decode_init(AVCodecContext *avctx)
30 avctx->pix_fmt = AV_PIX_FMT_RGB48;
31 avctx->bits_per_raw_sample = 10;
36 static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
41 const uint32_t *src = (const uint32_t *)avpkt->data;
42 int aligned_width = FFALIGN(avctx->width, 64);
45 if (avpkt->size < 4 * aligned_width * avctx->height) {
46 av_log(avctx, AV_LOG_ERROR, "packet too small\n");
47 return AVERROR_INVALIDDATA;
50 if ((ret = ff_get_buffer(avctx, pic, 0)) < 0)
53 pic->pict_type = AV_PICTURE_TYPE_I;
55 dst_line = pic->data[0];
57 for (h = 0; h < avctx->height; h++) {
58 uint16_t *dst = (uint16_t *)dst_line;
59 for (w = 0; w < avctx->width; w++) {
60 uint32_t pixel = av_be2ne32(*src++);
62 if (avctx->codec_id==AV_CODEC_ID_R210) {
64 g = (pixel >> 4) & 0xffc0;
65 r = (pixel >> 14) & 0xffc0;
68 g = (pixel >> 6) & 0xffc0;
69 r = (pixel >> 16) & 0xffc0;
71 *dst++ = r | (r >> 10);
72 *dst++ = g | (g >> 10);
73 *dst++ = b | (b >> 10);
75 src += aligned_width - avctx->width;
76 dst_line += pic->linesize[0];
84 #if CONFIG_R210_DECODER
85 AVCodec ff_r210_decoder = {
87 .long_name = NULL_IF_CONFIG_SMALL("Uncompressed RGB 10-bit"),
88 .type = AVMEDIA_TYPE_VIDEO,
89 .id = AV_CODEC_ID_R210,
91 .decode = decode_frame,
92 .capabilities = AV_CODEC_CAP_DR1,
93 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,
96 #if CONFIG_R10K_DECODER
97 AVCodec ff_r10k_decoder = {
99 .long_name = NULL_IF_CONFIG_SMALL("AJA Kona 10-bit RGB Codec"),
100 .type = AVMEDIA_TYPE_VIDEO,
101 .id = AV_CODEC_ID_R10K,
103 .decode = decode_frame,
104 .capabilities = AV_CODEC_CAP_DR1,
105 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE,