mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
106 lines
3.1 KiB
106 lines
3.1 KiB
/* |
|
* v408 encoder |
|
* |
|
* Copyright (c) 2012 Carl Eugen Hoyos |
|
* |
|
* 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 "libavutil/intreadwrite.h" |
|
#include "avcodec.h" |
|
#include "encode.h" |
|
#include "internal.h" |
|
|
|
static av_cold int v408_encode_init(AVCodecContext *avctx) |
|
{ |
|
avctx->bits_per_coded_sample = 32; |
|
avctx->bit_rate = ff_guess_coded_bitrate(avctx); |
|
|
|
return 0; |
|
} |
|
|
|
static int v408_encode_frame(AVCodecContext *avctx, AVPacket *pkt, |
|
const AVFrame *pic, int *got_packet) |
|
{ |
|
uint8_t *dst; |
|
uint8_t *y, *u, *v, *a; |
|
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 = pic->data[0]; |
|
u = pic->data[1]; |
|
v = pic->data[2]; |
|
a = pic->data[3]; |
|
|
|
for (i = 0; i < avctx->height; i++) { |
|
for (j = 0; j < avctx->width; j++) { |
|
if (avctx->codec_id==AV_CODEC_ID_AYUV) { |
|
*dst++ = v[j]; |
|
*dst++ = u[j]; |
|
*dst++ = y[j]; |
|
*dst++ = a[j]; |
|
} else { |
|
*dst++ = u[j]; |
|
*dst++ = y[j]; |
|
*dst++ = v[j]; |
|
*dst++ = a[j]; |
|
} |
|
} |
|
y += pic->linesize[0]; |
|
u += pic->linesize[1]; |
|
v += pic->linesize[2]; |
|
a += pic->linesize[3]; |
|
} |
|
|
|
*got_packet = 1; |
|
return 0; |
|
} |
|
|
|
static const enum AVPixelFormat pix_fmt[] = { AV_PIX_FMT_YUVA444P, AV_PIX_FMT_NONE }; |
|
|
|
#if CONFIG_AYUV_ENCODER |
|
const AVCodec ff_ayuv_encoder = { |
|
.name = "ayuv", |
|
.long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed MS 4:4:4:4"), |
|
.type = AVMEDIA_TYPE_VIDEO, |
|
.id = AV_CODEC_ID_AYUV, |
|
.capabilities = AV_CODEC_CAP_DR1, |
|
.init = v408_encode_init, |
|
.encode2 = v408_encode_frame, |
|
.pix_fmts = pix_fmt, |
|
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE, |
|
}; |
|
#endif |
|
#if CONFIG_V408_ENCODER |
|
const AVCodec ff_v408_encoder = { |
|
.name = "v408", |
|
.long_name = NULL_IF_CONFIG_SMALL("Uncompressed packed QT 4:4:4:4"), |
|
.type = AVMEDIA_TYPE_VIDEO, |
|
.id = AV_CODEC_ID_V408, |
|
.capabilities = AV_CODEC_CAP_DR1, |
|
.init = v408_encode_init, |
|
.encode2 = v408_encode_frame, |
|
.pix_fmts = pix_fmt, |
|
.caps_internal = FF_CODEC_CAP_INIT_THREADSAFE, |
|
}; |
|
#endif
|
|
|