You've already forked FFmpeg
mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2025-11-23 21:54:53 +02:00
7c43cc4cb7
Reviewed-by: James Almer <jamrial@gmail.com> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
104 lines
3.3 KiB
C
104 lines
3.3 KiB
C
/*
|
|
* Copyright (c) 2025 Lynne <dev@lynne.ee>
|
|
*
|
|
* 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 "parser.h"
|
|
#include "bytestream.h"
|
|
#include "parser_internal.h"
|
|
|
|
static int prores_raw_parse(AVCodecParserContext *s, AVCodecContext *avctx,
|
|
const uint8_t **poutbuf, int *poutbuf_size,
|
|
const uint8_t *buf, int buf_size)
|
|
{
|
|
GetByteContext gb;
|
|
|
|
switch (avctx->codec_tag) {
|
|
case 0:
|
|
break;
|
|
case MKTAG('a','p','r','n'):
|
|
avctx->profile = AV_PROFILE_PRORES_RAW;
|
|
break;
|
|
case MKTAG('a','p','r','h'):
|
|
avctx->profile = AV_PROFILE_PRORES_RAW_HQ;
|
|
break;
|
|
default:
|
|
avpriv_request_sample(avctx, "Profile %d", avctx->codec_tag);
|
|
return buf_size;
|
|
break;
|
|
}
|
|
|
|
bytestream2_init(&gb, buf, buf_size);
|
|
if (bytestream2_get_be32(&gb) != buf_size) /* Packet size */
|
|
return buf_size;
|
|
|
|
if (bytestream2_get_be32(&gb) != MKBETAG('p','r','r','f')) /* Frame header */
|
|
return buf_size;
|
|
|
|
int header_size = bytestream2_get_be16(&gb);
|
|
if (header_size < 62)
|
|
return buf_size;
|
|
|
|
bytestream2_skip(&gb, 1);
|
|
int version = bytestream2_get_byte(&gb);
|
|
if (version > 1) {
|
|
avpriv_request_sample(avctx, "Version %d", version);
|
|
return buf_size;
|
|
}
|
|
|
|
/* Vendor header (e.g. "peac" for Panasonic or "atm0" for Atmos) */
|
|
switch (bytestream2_get_be32(&gb)) {
|
|
case MKBETAG('p','e','a','c'):
|
|
/* Internal recording from a Panasonic camera, V-Log */
|
|
avctx->color_primaries = AVCOL_PRI_V_GAMUT;
|
|
avctx->color_trc = AVCOL_TRC_V_LOG;
|
|
break;
|
|
case MKBETAG('a','t','m','0'):
|
|
/* External recording from an Atomos recorder. Cameras universally
|
|
* record in their own native log curve internally, but linearize it
|
|
* when outputting RAW externally */
|
|
avctx->color_primaries = AVCOL_PRI_UNSPECIFIED;
|
|
avctx->color_trc = AVCOL_TRC_LINEAR;
|
|
break;
|
|
default:
|
|
avctx->color_trc = AVCOL_TRC_UNSPECIFIED;
|
|
break;
|
|
};
|
|
|
|
s->width = bytestream2_get_be16(&gb);
|
|
s->height = bytestream2_get_be16(&gb);
|
|
s->coded_width = FFALIGN(s->width, 16);
|
|
s->coded_height = FFALIGN(s->height, 16);
|
|
s->format = AV_PIX_FMT_BAYER_RGGB16;
|
|
s->key_frame = 1;
|
|
s->pict_type = AV_PICTURE_TYPE_I;
|
|
s->field_order = AV_FIELD_PROGRESSIVE;
|
|
s->picture_structure = AV_PICTURE_STRUCTURE_FRAME;
|
|
|
|
/* This parser only performs analysis */
|
|
*poutbuf = buf;
|
|
*poutbuf_size = buf_size;
|
|
|
|
return buf_size;
|
|
}
|
|
|
|
const FFCodecParser ff_prores_raw_parser = {
|
|
PARSER_CODEC_LIST(AV_CODEC_ID_PRORES_RAW),
|
|
.parse = prores_raw_parse,
|
|
};
|