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 = AV_PICTURE_TYPE_I;
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++) {
66 if (avctx->codec_id==CODEC_ID_AVRP) {
67 pixel = av_le2ne32(*src++);
69 pixel = av_be2ne32(*src++);
71 if (avctx->codec_id==CODEC_ID_R210) {
73 g = (pixel >> 4) & 0xffc0;
74 r = (pixel >> 14) & 0xffc0;
77 g = (pixel >> 6) & 0xffc0;
78 r = (pixel >> 16) & 0xffc0;
80 *dst++ = r | (r >> 10);
81 *dst++ = g | (g >> 10);
82 *dst++ = b | (b >> 10);
84 src += aligned_width - avctx->width;
85 dst_line += pic->linesize[0];
88 *data_size = sizeof(AVFrame);
89 *(AVFrame*)data = *avctx->coded_frame;
94 static av_cold int decode_close(AVCodecContext *avctx)
96 AVFrame *pic = avctx->coded_frame;
98 avctx->release_buffer(avctx, pic);
99 av_freep(&avctx->coded_frame);
104 #if CONFIG_R210_DECODER
105 AVCodec ff_r210_decoder = {
107 .type = AVMEDIA_TYPE_VIDEO,
110 .close = decode_close,
111 .decode = decode_frame,
112 .capabilities = CODEC_CAP_DR1,
113 .long_name = NULL_IF_CONFIG_SMALL("Uncompressed RGB 10-bit"),
116 #if CONFIG_R10K_DECODER
117 AVCodec ff_r10k_decoder = {
119 .type = AVMEDIA_TYPE_VIDEO,
122 .close = decode_close,
123 .decode = decode_frame,
124 .capabilities = CODEC_CAP_DR1,
125 .long_name = NULL_IF_CONFIG_SMALL("AJA Kona 10-bit RGB Codec"),
128 #if CONFIG_AVRP_DECODER
129 AVCodec ff_avrp_decoder = {
131 .type = AVMEDIA_TYPE_VIDEO,
134 .close = decode_close,
135 .decode = decode_frame,
136 .capabilities = CODEC_CAP_DR1,
137 .long_name = NULL_IF_CONFIG_SMALL("Avid 1:1 10-bit RGB Packer"),