1/* 2 * v408 encoder 3 * 4 * Copyright (c) 2012 Carl Eugen Hoyos 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 "libavutil/intreadwrite.h" 26#include "avcodec.h" 27#include "codec_internal.h" 28#include "encode.h" 29#include "internal.h" 30 31static av_cold int v408_encode_init(AVCodecContext *avctx) 32{ 33 avctx->bits_per_coded_sample = 32; 34 avctx->bit_rate = ff_guess_coded_bitrate(avctx); 35 36 return 0; 37} 38 39static int v408_encode_frame(AVCodecContext *avctx, AVPacket *pkt, 40 const AVFrame *pic, int *got_packet) 41{ 42 uint8_t *dst; 43 uint8_t *y, *u, *v, *a; 44 int i, j, ret; 45 46 ret = ff_get_encode_buffer(avctx, pkt, avctx->width * avctx->height * 4, 0); 47 if (ret < 0) 48 return ret; 49 dst = pkt->data; 50 51 y = pic->data[0]; 52 u = pic->data[1]; 53 v = pic->data[2]; 54 a = pic->data[3]; 55 56 for (i = 0; i < avctx->height; i++) { 57 for (j = 0; j < avctx->width; j++) { 58 if (avctx->codec_id==AV_CODEC_ID_AYUV) { 59 *dst++ = v[j]; 60 *dst++ = u[j]; 61 *dst++ = y[j]; 62 *dst++ = a[j]; 63 } else { 64 *dst++ = u[j]; 65 *dst++ = y[j]; 66 *dst++ = v[j]; 67 *dst++ = a[j]; 68 } 69 } 70 y += pic->linesize[0]; 71 u += pic->linesize[1]; 72 v += pic->linesize[2]; 73 a += pic->linesize[3]; 74 } 75 76 *got_packet = 1; 77 return 0; 78} 79 80static const enum AVPixelFormat pix_fmt[] = { AV_PIX_FMT_YUVA444P, AV_PIX_FMT_NONE }; 81 82#if CONFIG_AYUV_ENCODER 83const FFCodec ff_ayuv_encoder = { 84 .p.name = "ayuv", 85 .p.long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed MS 4:4:4:4"), 86 .p.type = AVMEDIA_TYPE_VIDEO, 87 .p.id = AV_CODEC_ID_AYUV, 88 .p.capabilities = AV_CODEC_CAP_DR1, 89 .init = v408_encode_init, 90 FF_CODEC_ENCODE_CB(v408_encode_frame), 91 .p.pix_fmts = pix_fmt, 92 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE, 93}; 94#endif 95#if CONFIG_V408_ENCODER 96const FFCodec ff_v408_encoder = { 97 .p.name = "v408", 98 .p.long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed QT 4:4:4:4"), 99 .p.type = AVMEDIA_TYPE_VIDEO, 100 .p.id = AV_CODEC_ID_V408, 101 .p.capabilities = AV_CODEC_CAP_DR1, 102 .init = v408_encode_init, 103 FF_CODEC_ENCODE_CB(v408_encode_frame), 104 .p.pix_fmts = pix_fmt, 105 .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE, 106}; 107#endif 108