mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-18 03:19:31 +02:00
87 lines
2.6 KiB
C
87 lines
2.6 KiB
C
/*
|
|
* v410 encoder
|
|
*
|
|
* Copyright (c) 2011 Derek Buitenhuis
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include "libavutil/common.h"
|
|
#include "libavutil/intreadwrite.h"
|
|
#include "avcodec.h"
|
|
#include "codec_internal.h"
|
|
#include "encode.h"
|
|
#include "internal.h"
|
|
|
|
static av_cold int v410_encode_init(AVCodecContext *avctx)
|
|
{
|
|
if (avctx->width & 1) {
|
|
av_log(avctx, AV_LOG_ERROR, "v410 requires width to be even.\n");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
|
|
avctx->bits_per_coded_sample = 32;
|
|
avctx->bit_rate = ff_guess_coded_bitrate(avctx);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int v410_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
|
|
const AVFrame *pic, int *got_packet)
|
|
{
|
|
uint8_t *dst;
|
|
const uint16_t *y, *u, *v;
|
|
uint32_t val;
|
|
int i, j, ret;
|
|
|
|
ret = ff_get_encode_buffer(avctx, pkt, avctx->width * avctx->height * 4, 0);
|
|
if (ret < 0)
|
|
return ret;
|
|
dst = pkt->data;
|
|
|
|
y = (uint16_t *)pic->data[0];
|
|
u = (uint16_t *)pic->data[1];
|
|
v = (uint16_t *)pic->data[2];
|
|
|
|
for (i = 0; i < avctx->height; i++) {
|
|
for (j = 0; j < avctx->width; j++) {
|
|
val = u[j] << 2;
|
|
val |= y[j] << 12;
|
|
val |= (uint32_t) v[j] << 22;
|
|
AV_WL32(dst, val);
|
|
dst += 4;
|
|
}
|
|
y += pic->linesize[0] >> 1;
|
|
u += pic->linesize[1] >> 1;
|
|
v += pic->linesize[2] >> 1;
|
|
}
|
|
|
|
*got_packet = 1;
|
|
return 0;
|
|
}
|
|
|
|
const FFCodec ff_v410_encoder = {
|
|
.p.name = "v410",
|
|
CODEC_LONG_NAME("Uncompressed 4:4:4 10-bit"),
|
|
.p.type = AVMEDIA_TYPE_VIDEO,
|
|
.p.id = AV_CODEC_ID_V410,
|
|
.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
|
|
.init = v410_encode_init,
|
|
FF_CODEC_ENCODE_CB(v410_encode_frame),
|
|
.p.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV444P10, AV_PIX_FMT_NONE },
|
|
};
|