1/* 2 * V210 encoder 3 * 4 * Copyright (C) 2009 Michael Niedermayer <michaelni@gmx.at> 5 * Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com> 6 * 7 * This file is part of FFmpeg. 8 * 9 * FFmpeg is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Lesser General Public 11 * License as published by the Free Software Foundation; either 12 * version 2.1 of the License, or (at your option) any later version. 13 * 14 * FFmpeg is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Lesser General Public License for more details. 18 * 19 * You should have received a copy of the GNU Lesser General Public 20 * License along with FFmpeg; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 22 */ 23 24#include "avcodec.h" 25#include "bytestream.h" 26#include "codec_internal.h" 27#include "encode.h" 28#include "internal.h" 29#include "v210enc.h" 30#include "v210enc_init.h" 31 32#define TYPE uint8_t 33#define DEPTH 8 34#define BYTES_PER_PIXEL 1 35#define RENAME(a) a ## _ ## 8 36#include "v210_template.c" 37#undef RENAME 38#undef DEPTH 39#undef BYTES_PER_PIXEL 40#undef TYPE 41 42#define TYPE uint16_t 43#define DEPTH 10 44#define BYTES_PER_PIXEL 2 45#define RENAME(a) a ## _ ## 10 46#include "v210_template.c" 47#undef RENAME 48#undef DEPTH 49#undef BYTES_PER_PIXEL 50#undef TYPE 51 52static av_cold int encode_init(AVCodecContext *avctx) 53{ 54 V210EncContext *s = avctx->priv_data; 55 56 if (avctx->width & 1) { 57 av_log(avctx, AV_LOG_ERROR, "v210 needs even width\n"); 58 return AVERROR(EINVAL); 59 } 60 61 ff_v210enc_init(s); 62 63 avctx->bits_per_coded_sample = 20; 64 avctx->bit_rate = ff_guess_coded_bitrate(avctx) * 16 / 15; 65 66 return 0; 67} 68 69static int encode_frame(AVCodecContext *avctx, AVPacket *pkt, 70 const AVFrame *pic, int *got_packet) 71{ 72 int aligned_width = ((avctx->width + 47) / 48) * 48; 73 int stride = aligned_width * 8 / 3; 74 AVFrameSideData *side_data; 75 int ret; 76 uint8_t *dst; 77 78 ret = ff_get_encode_buffer(avctx, pkt, avctx->height * stride, 0); 79 if (ret < 0) { 80 av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n"); 81 return ret; 82 } 83 dst = pkt->data; 84 85 if (pic->format == AV_PIX_FMT_YUV422P10) 86 v210_enc_10(avctx, dst, pic); 87 else if(pic->format == AV_PIX_FMT_YUV422P) 88 v210_enc_8(avctx, dst, pic); 89 90 side_data = av_frame_get_side_data(pic, AV_FRAME_DATA_A53_CC); 91 if (side_data && side_data->size) { 92 uint8_t *buf = av_packet_new_side_data(pkt, AV_PKT_DATA_A53_CC, side_data->size); 93 if (!buf) 94 return AVERROR(ENOMEM); 95 memcpy(buf, side_data->data, side_data->size); 96 } 97 98 side_data = av_frame_get_side_data(pic, AV_FRAME_DATA_AFD); 99 if (side_data && side_data->size) { 100 uint8_t *buf = av_packet_new_side_data(pkt, AV_PKT_DATA_AFD, side_data->size); 101 if (!buf) 102 return AVERROR(ENOMEM); 103 memcpy(buf, side_data->data, side_data->size); 104 } 105 106 *got_packet = 1; 107 return 0; 108} 109 110const FFCodec ff_v210_encoder = { 111 .p.name = "v210", 112 .p.long_name = NULL_IF_CONFIG_SMALL("Uncompressed 4:2:2 10-bit"), 113 .p.type = AVMEDIA_TYPE_VIDEO, 114 .p.id = AV_CODEC_ID_V210, 115 .p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS, 116 .priv_data_size = sizeof(V210EncContext), 117 .init = encode_init, 118 FF_CODEC_ENCODE_CB(encode_frame), 119 .p.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P, AV_PIX_FMT_NONE }, 120 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE, 121}; 122