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
24 #include "libavutil/bswap.h"
25 #include "libavutil/common.h"
27 static av_cold int decode_init(AVCodecContext *avctx)
29 avctx->pix_fmt = AV_PIX_FMT_RGB48;
30 avctx->bits_per_raw_sample = 10;
32 avctx->coded_frame = avcodec_alloc_frame();
37 static int decode_frame(AVCodecContext *avctx, void *data, int *data_size,
41 AVFrame *pic = avctx->coded_frame;
42 const uint32_t *src = (const uint32_t *)avpkt->data;
43 int aligned_width = FFALIGN(avctx->width, 64);
47 avctx->release_buffer(avctx, pic);
49 if (avpkt->size < 4 * aligned_width * avctx->height) {
50 av_log(avctx, AV_LOG_ERROR, "packet too small\n");
55 if (avctx->get_buffer(avctx, pic) < 0)
58 pic->pict_type = AV_PICTURE_TYPE_I;
60 dst_line = pic->data[0];
62 for (h = 0; h < avctx->height; h++) {
63 uint16_t *dst = (uint16_t *)dst_line;
64 for (w = 0; w < avctx->width; w++) {
65 uint32_t pixel = av_be2ne32(*src++);
67 if (avctx->codec_id==AV_CODEC_ID_R210) {
69 g = (pixel >> 4) & 0xffc0;
70 r = (pixel >> 14) & 0xffc0;
73 g = (pixel >> 6) & 0xffc0;
74 r = (pixel >> 16) & 0xffc0;
76 *dst++ = r | (r >> 10);
77 *dst++ = g | (g >> 10);
78 *dst++ = b | (b >> 10);
80 src += aligned_width - avctx->width;
81 dst_line += pic->linesize[0];
84 *data_size = sizeof(AVFrame);
85 *(AVFrame*)data = *avctx->coded_frame;
90 static av_cold int decode_close(AVCodecContext *avctx)
92 AVFrame *pic = avctx->coded_frame;
94 avctx->release_buffer(avctx, pic);
95 av_freep(&avctx->coded_frame);
100 #if CONFIG_R210_DECODER
101 AVCodec ff_r210_decoder = {
103 .type = AVMEDIA_TYPE_VIDEO,
104 .id = AV_CODEC_ID_R210,
106 .close = decode_close,
107 .decode = decode_frame,
108 .capabilities = CODEC_CAP_DR1,
109 .long_name = NULL_IF_CONFIG_SMALL("Uncompressed RGB 10-bit"),
112 #if CONFIG_R10K_DECODER
113 AVCodec ff_r10k_decoder = {
115 .type = AVMEDIA_TYPE_VIDEO,
116 .id = AV_CODEC_ID_R10K,
118 .close = decode_close,
119 .decode = decode_frame,
120 .capabilities = CODEC_CAP_DR1,
121 .long_name = NULL_IF_CONFIG_SMALL("AJA Kona 10-bit RGB Codec"),