4 * Copyright (c) 2012 Paul B Mahol
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 "bytestream.h"
27 static av_cold
int encode_init(AVCodecContext
*avctx
)
29 avctx
->coded_frame
= av_frame_alloc();
31 if (!avctx
->coded_frame
)
32 return AVERROR(ENOMEM
);
37 static int encode_frame(AVCodecContext
*avctx
, AVPacket
*pkt
,
38 const AVFrame
*pic
, int *got_packet
)
41 int aligned_width
= FFALIGN(avctx
->width
,
42 avctx
->codec_id
== AV_CODEC_ID_R10K
? 1 : 64);
43 int pad
= (aligned_width
- avctx
->width
) * 4;
47 if ((ret
= ff_alloc_packet2(avctx
, pkt
, 4 * aligned_width
* avctx
->height
)) < 0)
50 avctx
->coded_frame
->key_frame
= 1;
51 avctx
->coded_frame
->pict_type
= AV_PICTURE_TYPE_I
;
52 src_line
= pic
->data
[0];
55 for (i
= 0; i
< avctx
->height
; i
++) {
56 uint16_t *src
= (uint16_t *)src_line
;
57 for (j
= 0; j
< avctx
->width
; j
++) {
59 uint16_t r
= *src
++ >> 6;
60 uint16_t g
= *src
++ >> 6;
61 uint16_t b
= *src
++ >> 4;
62 if (avctx
->codec_id
== AV_CODEC_ID_R210
)
63 pixel
= (r
<< 20) | (g
<< 10) | b
>> 2;
65 pixel
= (r
<< 22) | (g
<< 12) | b
;
66 if (avctx
->codec_id
== AV_CODEC_ID_AVRP
)
67 bytestream_put_le32(&dst
, pixel
);
69 bytestream_put_be32(&dst
, pixel
);
73 src_line
+= pic
->linesize
[0];
76 pkt
->flags
|= AV_PKT_FLAG_KEY
;
81 static av_cold
int encode_close(AVCodecContext
*avctx
)
83 av_freep(&avctx
->coded_frame
);
88 #if CONFIG_R210_ENCODER
89 AVCodec ff_r210_encoder
= {
91 .long_name
= NULL_IF_CONFIG_SMALL("Uncompressed RGB 10-bit"),
92 .type
= AVMEDIA_TYPE_VIDEO
,
93 .id
= AV_CODEC_ID_R210
,
95 .encode2
= encode_frame
,
96 .close
= encode_close
,
97 .pix_fmts
= (const enum AVPixelFormat
[]) { AV_PIX_FMT_RGB48
, AV_PIX_FMT_NONE
},
100 #if CONFIG_R10K_ENCODER
101 AVCodec ff_r10k_encoder
= {
103 .long_name
= NULL_IF_CONFIG_SMALL("AJA Kona 10-bit RGB Codec"),
104 .type
= AVMEDIA_TYPE_VIDEO
,
105 .id
= AV_CODEC_ID_R10K
,
107 .encode2
= encode_frame
,
108 .close
= encode_close
,
109 .pix_fmts
= (const enum AVPixelFormat
[]) { AV_PIX_FMT_RGB48
, AV_PIX_FMT_NONE
},
112 #if CONFIG_AVRP_ENCODER
113 AVCodec ff_avrp_encoder
= {
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 .encode2
= encode_frame
,
120 .close
= encode_close
,
121 .pix_fmts
= (const enum AVPixelFormat
[]) { AV_PIX_FMT_RGB48
, AV_PIX_FMT_NONE
},