mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-21 10:55:51 +02:00
129 lines
4.1 KiB
C
129 lines
4.1 KiB
C
/*
|
|
* R210 encoder
|
|
*
|
|
* Copyright (c) 2012 Paul B Mahol
|
|
*
|
|
* 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 "config_components.h"
|
|
|
|
#include "avcodec.h"
|
|
#include "codec_internal.h"
|
|
#include "encode.h"
|
|
#include "internal.h"
|
|
#include "bytestream.h"
|
|
|
|
static av_cold int encode_init(AVCodecContext *avctx)
|
|
{
|
|
int aligned_width = FFALIGN(avctx->width,
|
|
avctx->codec_id == AV_CODEC_ID_R10K ? 1 : 64);
|
|
|
|
avctx->bits_per_coded_sample = 32;
|
|
if (avctx->width > 0)
|
|
avctx->bit_rate = ff_guess_coded_bitrate(avctx) * aligned_width / avctx->width;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
|
|
const AVFrame *pic, int *got_packet)
|
|
{
|
|
int i, j, ret;
|
|
int aligned_width = FFALIGN(avctx->width,
|
|
avctx->codec_id == AV_CODEC_ID_R10K ? 1 : 64);
|
|
int pad = (aligned_width - avctx->width) * 4;
|
|
const uint8_t *srcr_line, *srcg_line, *srcb_line;
|
|
uint8_t *dst;
|
|
|
|
ret = ff_get_encode_buffer(avctx, pkt, 4 * aligned_width * avctx->height, 0);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
srcg_line = pic->data[0];
|
|
srcb_line = pic->data[1];
|
|
srcr_line = pic->data[2];
|
|
dst = pkt->data;
|
|
|
|
for (i = 0; i < avctx->height; i++) {
|
|
const uint16_t *srcr = (const uint16_t *)srcr_line;
|
|
const uint16_t *srcg = (const uint16_t *)srcg_line;
|
|
const uint16_t *srcb = (const uint16_t *)srcb_line;
|
|
for (j = 0; j < avctx->width; j++) {
|
|
uint32_t pixel;
|
|
unsigned r = *srcr++;
|
|
unsigned g = *srcg++;
|
|
unsigned b = *srcb++;
|
|
if (avctx->codec_id == AV_CODEC_ID_R210)
|
|
pixel = (r << 20) | (g << 10) | b;
|
|
else
|
|
pixel = (r << 22) | (g << 12) | (b << 2);
|
|
if (avctx->codec_id == AV_CODEC_ID_AVRP)
|
|
bytestream_put_le32(&dst, pixel);
|
|
else
|
|
bytestream_put_be32(&dst, pixel);
|
|
}
|
|
memset(dst, 0, pad);
|
|
dst += pad;
|
|
srcr_line += pic->linesize[2];
|
|
srcg_line += pic->linesize[0];
|
|
srcb_line += pic->linesize[1];
|
|
}
|
|
|
|
*got_packet = 1;
|
|
return 0;
|
|
}
|
|
|
|
static const enum AVPixelFormat pix_fmt[] = { AV_PIX_FMT_GBRP10, AV_PIX_FMT_NONE };
|
|
|
|
#if CONFIG_R210_ENCODER
|
|
const FFCodec ff_r210_encoder = {
|
|
.p.name = "r210",
|
|
CODEC_LONG_NAME("Uncompressed RGB 10-bit"),
|
|
.p.type = AVMEDIA_TYPE_VIDEO,
|
|
.p.id = AV_CODEC_ID_R210,
|
|
.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
|
|
.init = encode_init,
|
|
FF_CODEC_ENCODE_CB(encode_frame),
|
|
.p.pix_fmts = pix_fmt,
|
|
};
|
|
#endif
|
|
#if CONFIG_R10K_ENCODER
|
|
const FFCodec ff_r10k_encoder = {
|
|
.p.name = "r10k",
|
|
CODEC_LONG_NAME("AJA Kona 10-bit RGB Codec"),
|
|
.p.type = AVMEDIA_TYPE_VIDEO,
|
|
.p.id = AV_CODEC_ID_R10K,
|
|
.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
|
|
.init = encode_init,
|
|
FF_CODEC_ENCODE_CB(encode_frame),
|
|
.p.pix_fmts = pix_fmt,
|
|
};
|
|
#endif
|
|
#if CONFIG_AVRP_ENCODER
|
|
const FFCodec ff_avrp_encoder = {
|
|
.p.name = "avrp",
|
|
CODEC_LONG_NAME("Avid 1:1 10-bit RGB Packer"),
|
|
.p.type = AVMEDIA_TYPE_VIDEO,
|
|
.p.id = AV_CODEC_ID_AVRP,
|
|
.p.capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_ENCODER_REORDERED_OPAQUE,
|
|
.init = encode_init,
|
|
FF_CODEC_ENCODE_CB(encode_frame),
|
|
.p.pix_fmts = pix_fmt,
|
|
};
|
|
#endif
|