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 = avcodec_alloc_frame();
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, 64);
42 int pad = (aligned_width - avctx->width) * 4;
46 if ((ret = ff_alloc_packet(pkt, 4 * aligned_width * avctx->height)) < 0) {
47 av_log(avctx, AV_LOG_ERROR, "Error getting output packet\n");
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];
57 for (i = 0; i < avctx->height; i++) {
58 uint16_t *src = (uint16_t *)src_line;
59 for (j = 0; j < avctx->width; j++) {
61 uint16_t r = *src++ >> 6;
62 uint16_t g = *src++ >> 6;
63 uint16_t b = *src++ >> 4;
64 if (avctx->codec_id == CODEC_ID_R210)
65 pixel = (r << 20) | (g << 10) | b >> 2;
67 pixel = (r << 22) | (g << 12) | b;
68 if (avctx->codec_id == CODEC_ID_AVRP)
69 bytestream_put_le32(&dst, pixel);
71 bytestream_put_be32(&dst, pixel);
75 src_line += pic->linesize[0];
78 pkt->size = 4 * aligned_width * avctx->height;
79 pkt->flags |= AV_PKT_FLAG_KEY;
84 static av_cold int encode_close(AVCodecContext *avctx)
86 av_freep(&avctx->coded_frame);
91 #if CONFIG_R210_ENCODER
92 AVCodec ff_r210_encoder = {
94 .type = AVMEDIA_TYPE_VIDEO,
97 .encode2 = encode_frame,
98 .close = encode_close,
99 .pix_fmts = (const enum PixelFormat[]) { PIX_FMT_RGB48, PIX_FMT_NONE },
100 .long_name = NULL_IF_CONFIG_SMALL("Uncompressed RGB 10-bit"),
103 #if CONFIG_R10K_ENCODER
104 AVCodec ff_r10k_encoder = {
106 .type = AVMEDIA_TYPE_VIDEO,
109 .encode2 = encode_frame,
110 .close = encode_close,
111 .pix_fmts = (const enum PixelFormat[]) { PIX_FMT_RGB48, PIX_FMT_NONE },
112 .long_name = NULL_IF_CONFIG_SMALL("AJA Kona 10-bit RGB Codec"),
115 #if CONFIG_AVRP_ENCODER
116 AVCodec ff_avrp_encoder = {
118 .type = AVMEDIA_TYPE_VIDEO,
121 .encode2 = encode_frame,
122 .close = encode_close,
123 .pix_fmts = (const enum PixelFormat[]) { PIX_FMT_RGB48, PIX_FMT_NONE },
124 .long_name = NULL_IF_CONFIG_SMALL("Avid 1:1 10-bit RGB Packer"),