mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
124 lines
3.8 KiB
C
124 lines
3.8 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 "avcodec.h"
|
|
#include "internal.h"
|
|
#include "bytestream.h"
|
|
|
|
static av_cold int encode_init(AVCodecContext *avctx)
|
|
{
|
|
avctx->coded_frame = avcodec_alloc_frame();
|
|
|
|
if (!avctx->coded_frame)
|
|
return AVERROR(ENOMEM);
|
|
|
|
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;
|
|
uint8_t *src_line;
|
|
uint8_t *dst;
|
|
|
|
if ((ret = ff_alloc_packet2(avctx, pkt, 4 * aligned_width * avctx->height)) < 0)
|
|
return ret;
|
|
|
|
avctx->coded_frame->key_frame = 1;
|
|
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
|
|
src_line = pic->data[0];
|
|
dst = pkt->data;
|
|
|
|
for (i = 0; i < avctx->height; i++) {
|
|
uint16_t *src = (uint16_t *)src_line;
|
|
for (j = 0; j < avctx->width; j++) {
|
|
uint32_t pixel;
|
|
uint16_t r = *src++ >> 6;
|
|
uint16_t g = *src++ >> 6;
|
|
uint16_t b = *src++ >> 4;
|
|
if (avctx->codec_id == AV_CODEC_ID_R210)
|
|
pixel = (r << 20) | (g << 10) | b >> 2;
|
|
else
|
|
pixel = (r << 22) | (g << 12) | b;
|
|
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;
|
|
src_line += pic->linesize[0];
|
|
}
|
|
|
|
pkt->flags |= AV_PKT_FLAG_KEY;
|
|
*got_packet = 1;
|
|
return 0;
|
|
}
|
|
|
|
static av_cold int encode_close(AVCodecContext *avctx)
|
|
{
|
|
av_freep(&avctx->coded_frame);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if CONFIG_R210_ENCODER
|
|
AVCodec ff_r210_encoder = {
|
|
.name = "r210",
|
|
.long_name = NULL_IF_CONFIG_SMALL("Uncompressed RGB 10-bit"),
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_R210,
|
|
.init = encode_init,
|
|
.encode2 = encode_frame,
|
|
.close = encode_close,
|
|
.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_RGB48, AV_PIX_FMT_NONE },
|
|
};
|
|
#endif
|
|
#if CONFIG_R10K_ENCODER
|
|
AVCodec ff_r10k_encoder = {
|
|
.name = "r10k",
|
|
.long_name = NULL_IF_CONFIG_SMALL("AJA Kona 10-bit RGB Codec"),
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_R10K,
|
|
.init = encode_init,
|
|
.encode2 = encode_frame,
|
|
.close = encode_close,
|
|
.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_RGB48, AV_PIX_FMT_NONE },
|
|
};
|
|
#endif
|
|
#if CONFIG_AVRP_ENCODER
|
|
AVCodec ff_avrp_encoder = {
|
|
.name = "avrp",
|
|
.long_name = NULL_IF_CONFIG_SMALL("Avid 1:1 10-bit RGB Packer"),
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.id = AV_CODEC_ID_AVRP,
|
|
.init = encode_init,
|
|
.encode2 = encode_frame,
|
|
.close = encode_close,
|
|
.pix_fmts = (const enum AVPixelFormat[]) { AV_PIX_FMT_RGB48, AV_PIX_FMT_NONE },
|
|
};
|
|
#endif
|