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/*
* 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 "internal.h"
#include "v210enc.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 void v210_planar_pack_8_c(const uint8_t *y, const uint8_t *u,
const uint8_t *v, uint8_t *dst,
ptrdiff_t width)
{
uint32_t val;
int i;
/* unroll this to match the assembly */
for (i = 0; i < width - 11; i += 12) {
WRITE_PIXELS(u, y, v, 8);
WRITE_PIXELS(y, u, y, 8);
WRITE_PIXELS(v, y, u, 8);
WRITE_PIXELS(y, v, y, 8);
WRITE_PIXELS(u, y, v, 8);
WRITE_PIXELS(y, u, y, 8);
WRITE_PIXELS(v, y, u, 8);
WRITE_PIXELS(y, v, y, 8);
}
}
static void v210_planar_pack_10_c(const uint16_t *y, const uint16_t *u,
const uint16_t *v, uint8_t *dst,
ptrdiff_t width)
{
uint32_t val;
int i;
for (i = 0; i < width - 5; i += 6) {
WRITE_PIXELS(u, y, v, 10);
WRITE_PIXELS(y, u, y, 10);
WRITE_PIXELS(v, y, u, 10);
WRITE_PIXELS(y, v, y, 10);
}
}
av_cold void ff_v210enc_init(V210EncContext *s)
{
s->pack_line_8 = v210_planar_pack_8_c;
s->pack_line_10 = v210_planar_pack_10_c;
s->sample_factor_8 = 2;
s->sample_factor_10 = 1;
if (ARCH_X86)
ff_v210enc_init_x86(s);
}
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_alloc_packet2(avctx, pkt, avctx->height * stride, avctx->height * stride);
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);
}
pkt->flags |= AV_PKT_FLAG_KEY;
*got_packet = 1;
return 0;
}
AVCodec ff_v210_encoder = {
.name = "v210",
.long_name = NULL_IF_CONFIG_SMALL("Uncompressed 4:2:2 10-bit"),
.type = AVMEDIA_TYPE_VIDEO,
.id = AV_CODEC_ID_V210,
.priv_data_size = sizeof(V210EncContext),
.init = encode_init,
.encode2 = encode_frame,
.pix_fmts = (const enum AVPixelFormat[]){ AV_PIX_FMT_YUV422P10, AV_PIX_FMT_YUV422P, AV_PIX_FMT_NONE },
};
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