1/* 2 * R210 encoder 3 * 4 * Copyright (c) 2012 Paul B Mahol 5 * 6 * This file is part of FFmpeg. 7 * 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. 12 * 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. 17 * 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 21 */ 22 23#include "config_components.h" 24 25#include "avcodec.h" 26#include "codec_internal.h" 27#include "encode.h" 28#include "internal.h" 29#include "bytestream.h" 30 31static av_cold int encode_init(AVCodecContext *avctx) 32{ 33 int aligned_width = FFALIGN(avctx->width, 34 avctx->codec_id == AV_CODEC_ID_R10K ? 1 : 64); 35 36 avctx->bits_per_coded_sample = 32; 37 if (avctx->width > 0) 38 avctx->bit_rate = ff_guess_coded_bitrate(avctx) * aligned_width / avctx->width; 39 40 return 0; 41} 42 43static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, 44 const AVFrame *pic, int *got_packet) 45{ 46 int i, j, ret; 47 int aligned_width = FFALIGN(avctx->width, 48 avctx->codec_id == AV_CODEC_ID_R10K ? 1 : 64); 49 int pad = (aligned_width - avctx->width) * 4; 50 uint8_t *srcr_line, *srcg_line, *srcb_line; 51 uint8_t *dst; 52 53 ret = ff_get_encode_buffer(avctx, pkt, 4 * aligned_width * avctx->height, 0); 54 if (ret < 0) 55 return ret; 56 57 srcg_line = pic->data[0]; 58 srcb_line = pic->data[1]; 59 srcr_line = pic->data[2]; 60 dst = pkt->data; 61 62 for (i = 0; i < avctx->height; i++) { 63 uint16_t *srcr = (uint16_t *)srcr_line; 64 uint16_t *srcg = (uint16_t *)srcg_line; 65 uint16_t *srcb = (uint16_t *)srcb_line; 66 for (j = 0; j < avctx->width; j++) { 67 uint32_t pixel; 68 unsigned r = *srcr++; 69 unsigned g = *srcg++; 70 unsigned b = *srcb++; 71 if (avctx->codec_id == AV_CODEC_ID_R210) 72 pixel = (r << 20) | (g << 10) | b; 73 else 74 pixel = (r << 22) | (g << 12) | (b << 2); 75 if (avctx->codec_id == AV_CODEC_ID_AVRP) 76 bytestream_put_le32(&dst, pixel); 77 else 78 bytestream_put_be32(&dst, pixel); 79 } 80 memset(dst, 0, pad); 81 dst += pad; 82 srcr_line += pic->linesize[2]; 83 srcg_line += pic->linesize[0]; 84 srcb_line += pic->linesize[1]; 85 } 86 87 *got_packet = 1; 88 return 0; 89} 90 91static const enum AVPixelFormat pix_fmt[] = { AV_PIX_FMT_GBRP10, AV_PIX_FMT_NONE }; 92 93#if CONFIG_R210_ENCODER 94const FFCodec ff_r210_encoder = { 95 .p.name = "r210", 96 .p.long_name = NULL_IF_CONFIG_SMALL("Uncompressed RGB 10-bit"), 97 .p.type = AVMEDIA_TYPE_VIDEO, 98 .p.id = AV_CODEC_ID_R210, 99 .p.capabilities = AV_CODEC_CAP_DR1, 100 .init = encode_init, 101 FF_CODEC_ENCODE_CB(encode_frame), 102 .p.pix_fmts = pix_fmt, 103 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE, 104}; 105#endif 106#if CONFIG_R10K_ENCODER 107const FFCodec ff_r10k_encoder = { 108 .p.name = "r10k", 109 .p.long_name = NULL_IF_CONFIG_SMALL("AJA Kona 10-bit RGB Codec"), 110 .p.type = AVMEDIA_TYPE_VIDEO, 111 .p.id = AV_CODEC_ID_R10K, 112 .p.capabilities = AV_CODEC_CAP_DR1, 113 .init = encode_init, 114 FF_CODEC_ENCODE_CB(encode_frame), 115 .p.pix_fmts = pix_fmt, 116 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE, 117}; 118#endif 119#if CONFIG_AVRP_ENCODER 120const FFCodec ff_avrp_encoder = { 121 .p.name = "avrp", 122 .p.long_name = NULL_IF_CONFIG_SMALL("Avid 1:1 10-bit RGB Packer"), 123 .p.type = AVMEDIA_TYPE_VIDEO, 124 .p.id = AV_CODEC_ID_AVRP, 125 .p.capabilities = AV_CODEC_CAP_DR1, 126 .init = encode_init, 127 FF_CODEC_ENCODE_CB(encode_frame), 128 .p.pix_fmts = pix_fmt, 129 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE, 130}; 131#endif 132