mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-29 06:45:47 +00:00
122 lines
3.6 KiB
C
122 lines
3.6 KiB
C
/*
|
|
* V210 encoder
|
|
*
|
|
* Copyright (C) 2009 Michael Niedermayer <michaelni@gmx.at>
|
|
* Copyright (c) 2009 Baptiste Coudurier <baptiste dot coudurier at gmail dot com>
|
|
*
|
|
* 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 "avcodec.h"
|
|
#include "bytestream.h"
|
|
#include "codec_internal.h"
|
|
#include "encode.h"
|
|
#include "internal.h"
|
|
#include "v210enc.h"
|
|
#include "v210enc_init.h"
|
|
|
|
#define TYPE uint8_t
|
|
#define DEPTH 8
|
|
#define BYTES_PER_PIXEL 1
|
|
#define RENAME(a) a ## _ ## 8
|
|
#include "v210_template.c"
|
|
#undef RENAME
|
|
#undef DEPTH
|
|
#undef BYTES_PER_PIXEL
|
|
#undef TYPE
|
|
|
|
#define TYPE uint16_t
|
|
#define DEPTH 10
|
|
#define BYTES_PER_PIXEL 2
|
|
#define RENAME(a) a ## _ ## 10
|
|
#include "v210_template.c"
|
|
#undef RENAME
|
|
#undef DEPTH
|
|
#undef BYTES_PER_PIXEL
|
|
#undef TYPE
|
|
|
|
static av_cold int encode_init(AVCodecContext *avctx)
|
|
{
|
|
V210EncContext *s = avctx->priv_data;
|
|
|
|
if (avctx->width & 1) {
|
|
av_log(avctx, AV_LOG_ERROR, "v210 needs even width\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
ff_v210enc_init(s);
|
|
|
|
avctx->bits_per_coded_sample = 20;
|
|
avctx->bit_rate = ff_guess_coded_bitrate(avctx) * 16 / 15;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
|
|
const AVFrame *pic, int *got_packet)
|
|
{
|
|
int aligned_width = ((avctx->width + 47) / 48) * 48;
|
|
int stride = aligned_width * 8 / 3;
|
|
AVFrameSideData *side_data;
|
|
int ret;
|
|
uint8_t *dst;
|
|
|
|
ret = ff_get_encode_buffer(avctx, pkt, avctx->height * stride, 0);
|
|
if (ret < 0) {
|
|
av_log(avctx, AV_LOG_ERROR, "Error getting output packet.\n");
|
|
return ret;
|
|
}
|
|
dst = pkt->data;
|
|
|
|
if (pic->format == AV_PIX_FMT_YUV422P10)
|
|
v210_enc_10(avctx, dst, pic);
|
|
else if(pic->format == AV_PIX_FMT_YUV422P)
|
|
v210_enc_8(avctx, dst, pic);
|
|
|
|
side_data = av_frame_get_side_data(pic, AV_FRAME_DATA_A53_CC);
|
|
if (side_data && side_data->size) {
|
|
uint8_t *buf = av_packet_new_side_data(pkt, AV_PKT_DATA_A53_CC, side_data->size);
|
|
if (!buf)
|
|
return AVERROR(ENOMEM);
|
|
memcpy(buf, side_data->data, side_data->size);
|
|
}
|
|
|
|
side_data = av_frame_get_side_data(pic, AV_FRAME_DATA_AFD);
|
|
if (side_data && side_data->size) {
|
|
uint8_t *buf = av_packet_new_side_data(pkt, AV_PKT_DATA_AFD, side_data->size);
|
|
if (!buf)
|
|
return AVERROR(ENOMEM);
|
|
memcpy(buf, side_data->data, side_data->size);
|
|
}
|
|
|
|
*got_packet = 1;
|
|
return 0;
|
|
}
|
|
|
|
const FFCodec ff_v210_encoder = {
|
|
.p.name = "v210",
|
|
CODEC_LONG_NAME("Uncompressed 4:2:2 10-bit"),
|
|
.p.type = AVMEDIA_TYPE_VIDEO,
|
|
.p.id = AV_CODEC_ID_V210,
|
|
.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS |
|
|
AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
|
|
.priv_data_size = sizeof(V210EncContext),
|
|
.init = encode_init,
|
|
FF_CODEC_ENCODE_CB(encode_frame),
|
|
.p.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P, AV_PIX_FMT_NONE },
|
|
};
|