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
++);
66 if (avctx
->codec_id
==CODEC_ID_R210
) {
68 g
= (pixel
>> 4) & 0xffc0;
69 r
= (pixel
>> 14) & 0xffc0;
72 g
= (pixel
>> 6) & 0xffc0;
73 r
= (pixel
>> 16) & 0xffc0;
75 *dst
++ = r
| (r
>> 10);
76 *dst
++ = g
| (g
>> 10);
77 *dst
++ = b
| (b
>> 10);
79 src
+= aligned_width
- avctx
->width
;
80 dst_line
+= pic
->linesize
[0];
83 *data_size
= sizeof(AVFrame
);
84 *(AVFrame
*)data
= *avctx
->coded_frame
;
89 static av_cold
int decode_close(AVCodecContext
*avctx
)
91 AVFrame
*pic
= avctx
->coded_frame
;
93 avctx
->release_buffer(avctx
, pic
);
94 av_freep(&avctx
->coded_frame
);
99 #if CONFIG_R210_DECODER
100 AVCodec ff_r210_decoder
= {
110 .long_name
= NULL_IF_CONFIG_SMALL("Uncompressed RGB 10-bit"),
113 #if CONFIG_R10K_DECODER
114 AVCodec ff_r10k_decoder
= {
124 .long_name
= NULL_IF_CONFIG_SMALL("AJA Kona 10-bit RGB Codec"),