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
24 #include "bytestream.h"
26 static av_cold int encode_init(AVCodecContext *avctx)
28 avctx->coded_frame = avcodec_alloc_frame();
30 if (!avctx->coded_frame)
31 return AVERROR(ENOMEM);
36 static int encode_frame(AVCodecContext *avctx, uint8_t *buf,
37 int buf_size, void *data)
41 int aligned_width = FFALIGN(avctx->width, 64);
42 int pad = (aligned_width - avctx->width) * 4;
46 if (buf_size < 4 * aligned_width * avctx->height) {
47 av_log(avctx, AV_LOG_ERROR, "output buffer too small\n");
48 return AVERROR(ENOMEM);
51 avctx->coded_frame->reference = 0;
52 avctx->coded_frame->key_frame = 1;
53 avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
54 src_line = pic->data[0];
56 for (i = 0; i < avctx->height; i++) {
57 uint16_t *src = (uint16_t *)src_line;
58 for (j = 0; j < avctx->width; j++) {
60 uint16_t r = *src++ >> 6;
61 uint16_t g = *src++ >> 6;
62 uint16_t b = *src++ >> 4;
63 if (avctx->codec_id == CODEC_ID_R210)
64 pixel = (r << 20) | (g << 10) | b >> 2;
66 pixel = (r << 22) | (g << 12) | b;
67 if (avctx->codec_id == CODEC_ID_AVRP)
68 bytestream_put_le32(&dst, pixel);
70 bytestream_put_be32(&dst, pixel);
74 src_line += pic->linesize[0];
77 return 4 * aligned_width * avctx->height;
80 static av_cold int encode_close(AVCodecContext *avctx)
82 av_freep(&avctx->coded_frame);
87 #if CONFIG_R210_ENCODER
88 AVCodec ff_r210_encoder = {
90 .type = AVMEDIA_TYPE_VIDEO,
93 .encode = encode_frame,
94 .close = encode_close,
95 .pix_fmts = (const enum PixelFormat[]) { PIX_FMT_RGB48, PIX_FMT_NONE },
96 .long_name = NULL_IF_CONFIG_SMALL("Uncompressed RGB 10-bit"),
99 #if CONFIG_R10K_ENCODER
100 AVCodec ff_r10k_encoder = {
102 .type = AVMEDIA_TYPE_VIDEO,
105 .encode = encode_frame,
106 .close = encode_close,
107 .pix_fmts = (const enum PixelFormat[]) { PIX_FMT_RGB48, PIX_FMT_NONE },
108 .long_name = NULL_IF_CONFIG_SMALL("AJA Kona 10-bit RGB Codec"),
111 #if CONFIG_AVRP_ENCODER
112 AVCodec ff_avrp_encoder = {
114 .type = AVMEDIA_TYPE_VIDEO,
117 .encode = encode_frame,
118 .close = encode_close,
119 .pix_fmts = (const enum PixelFormat[]) { PIX_FMT_RGB48, PIX_FMT_NONE },
120 .long_name = NULL_IF_CONFIG_SMALL("Avid 1:1 10-bit RGB Packer"),