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
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,
43 avctx->codec_id == AV_CODEC_ID_R10K ? 1 : 64);
46 if (avpkt->size < 4 * aligned_width * avctx->height) {
47 av_log(avctx, AV_LOG_ERROR, "packet too small\n");
48 return AVERROR_INVALIDDATA;
51 if ((ret = ff_get_buffer(avctx, pic, 0)) < 0)
54 pic->pict_type = AV_PICTURE_TYPE_I;
56 dst_line = pic->data[0];
58 for (h = 0; h < avctx->height; h++) {
59 uint16_t *dst = (uint16_t *)dst_line;
60 for (w = 0; w < avctx->width; w++) {
63 if (avctx->codec_id==AV_CODEC_ID_AVRP) {
64 pixel = av_le2ne32(*src++);
66 pixel = av_be2ne32(*src++);
68 if (avctx->codec_id==AV_CODEC_ID_R210) {
70 g = (pixel >> 4) & 0xffc0;
71 r = (pixel >> 14) & 0xffc0;
74 g = (pixel >> 6) & 0xffc0;
75 r = (pixel >> 16) & 0xffc0;
77 *dst++ = r | (r >> 10);
78 *dst++ = g | (g >> 10);
79 *dst++ = b | (b >> 10);
81 src += aligned_width - avctx->width;
82 dst_line += pic->linesize[0];
90 #if CONFIG_R210_DECODER
91 AVCodec ff_r210_decoder = {
93 .long_name = NULL_IF_CONFIG_SMALL("Uncompressed RGB 10-bit"),
94 .type = AVMEDIA_TYPE_VIDEO,
95 .id = AV_CODEC_ID_R210,
97 .decode = decode_frame,
98 .capabilities = CODEC_CAP_DR1,
101 #if CONFIG_R10K_DECODER
102 AVCodec ff_r10k_decoder = {
104 .long_name = NULL_IF_CONFIG_SMALL("AJA Kona 10-bit RGB Codec"),
105 .type = AVMEDIA_TYPE_VIDEO,
106 .id = AV_CODEC_ID_R10K,
108 .decode = decode_frame,
109 .capabilities = CODEC_CAP_DR1,
112 #if CONFIG_AVRP_DECODER
113 AVCodec ff_avrp_decoder = {
115 .long_name = NULL_IF_CONFIG_SMALL("Avid 1:1 10-bit RGB Packer"),
116 .type = AVMEDIA_TYPE_VIDEO,
117 .id = AV_CODEC_ID_AVRP,
119 .decode = decode_frame,
120 .capabilities = CODEC_CAP_DR1,