forked from KolibriOS/kolibrios
326 lines
10 KiB
C
326 lines
10 KiB
C
/*
|
|
* Phantom Cine demuxer
|
|
* Copyright (c) 2010-2011 Peter Ross <pross@xvid.org>
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* Phantom Cine demuxer
|
|
* @author Peter Ross <pross@xvid.org>
|
|
*/
|
|
|
|
#include "libavutil/intreadwrite.h"
|
|
#include "libavcodec/bmp.h"
|
|
#include "libavutil/intfloat.h"
|
|
#include "avformat.h"
|
|
#include "internal.h"
|
|
|
|
typedef struct {
|
|
uint64_t pts;
|
|
} CineDemuxContext;
|
|
|
|
/** Compression */
|
|
enum {
|
|
CC_RGB = 0, /**< Gray */
|
|
CC_LEAD = 1, /**< LEAD (M)JPEG */
|
|
CC_UNINT = 2 /**< Uninterpolated color image (CFA field indicates color ordering) */
|
|
};
|
|
|
|
/** Color Filter Array */
|
|
enum {
|
|
CFA_NONE = 0, /**< GRAY */
|
|
CFA_VRI = 1, /**< GBRG/RGGB */
|
|
CFA_VRIV6 = 2, /**< BGGR/GRBG */
|
|
CFA_BAYER = 3, /**< GB/RG */
|
|
CFA_BAYERFLIP = 4, /**< RG/GB */
|
|
|
|
CFA_TLGRAY = 0x80000000,
|
|
CFA_TRGRAY = 0x40000000,
|
|
CFA_BLGRAY = 0x20000000,
|
|
CFA_BRGRAY = 0x10000000
|
|
};
|
|
|
|
static int cine_read_probe(AVProbeData *p)
|
|
{
|
|
int HeaderSize;
|
|
if (p->buf[0] == 'C' && p->buf[1] == 'I' && // Type
|
|
(HeaderSize = AV_RL16(p->buf + 2)) >= 0x2C && // HeaderSize
|
|
AV_RL16(p->buf + 4) <= CC_UNINT && // Compression
|
|
AV_RL16(p->buf + 6) <= 1 && // Version
|
|
AV_RL32(p->buf + 20) && // ImageCount
|
|
AV_RL32(p->buf + 24) >= HeaderSize && // OffImageHeader
|
|
AV_RL32(p->buf + 28) >= HeaderSize && // OffSetup
|
|
AV_RL32(p->buf + 32) >= HeaderSize) // OffImageOffsets
|
|
return AVPROBE_SCORE_MAX;
|
|
return 0;
|
|
}
|
|
|
|
static int set_metadata_int(AVDictionary **dict, const char *key, int value, int allow_zero)
|
|
{
|
|
if (value || allow_zero) {
|
|
return av_dict_set_int(dict, key, value, 0);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int set_metadata_float(AVDictionary **dict, const char *key, float value, int allow_zero)
|
|
{
|
|
if (value != 0 || allow_zero) {
|
|
char tmp[64];
|
|
snprintf(tmp, sizeof(tmp), "%f", value);
|
|
return av_dict_set(dict, key, tmp, 0);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int cine_read_header(AVFormatContext *avctx)
|
|
{
|
|
AVIOContext *pb = avctx->pb;
|
|
AVStream *st;
|
|
unsigned int version, compression, offImageHeader, offSetup, offImageOffsets, biBitCount, length, CFA;
|
|
int vflip;
|
|
char *description;
|
|
uint64_t i;
|
|
|
|
st = avformat_new_stream(avctx, NULL);
|
|
if (!st)
|
|
return AVERROR(ENOMEM);
|
|
st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
|
|
st->codec->codec_id = AV_CODEC_ID_RAWVIDEO;
|
|
st->codec->codec_tag = 0;
|
|
|
|
/* CINEFILEHEADER structure */
|
|
avio_skip(pb, 4); // Type, Headersize
|
|
|
|
compression = avio_rl16(pb);
|
|
version = avio_rl16(pb);
|
|
if (version != 1) {
|
|
avpriv_request_sample(avctx, "uknown version %i", version);
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
|
|
avio_skip(pb, 12); // FirstMovieImage, TotalImageCount, FirstImageNumber
|
|
|
|
st->duration = avio_rl32(pb);
|
|
offImageHeader = avio_rl32(pb);
|
|
offSetup = avio_rl32(pb);
|
|
offImageOffsets = avio_rl32(pb);
|
|
|
|
avio_skip(pb, 8); // TriggerTime
|
|
|
|
/* BITMAPINFOHEADER structure */
|
|
avio_seek(pb, offImageHeader, SEEK_SET);
|
|
avio_skip(pb, 4); //biSize
|
|
st->codec->width = avio_rl32(pb);
|
|
st->codec->height = avio_rl32(pb);
|
|
|
|
if (avio_rl16(pb) != 1) // biPlanes
|
|
return AVERROR_INVALIDDATA;
|
|
|
|
biBitCount = avio_rl16(pb);
|
|
if (biBitCount != 8 && biBitCount != 16 && biBitCount != 24 && biBitCount != 48) {
|
|
avpriv_request_sample(avctx, "unsupported biBitCount %i", biBitCount);
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
|
|
switch (avio_rl32(pb)) {
|
|
case BMP_RGB:
|
|
vflip = 0;
|
|
break;
|
|
case 0x100: /* BI_PACKED */
|
|
st->codec->codec_tag = MKTAG('B', 'I', 'T', 0);
|
|
vflip = 1;
|
|
break;
|
|
default:
|
|
avpriv_request_sample(avctx, "unknown bitmap compression");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
|
|
avio_skip(pb, 4); // biSizeImage
|
|
|
|
/* parse SETUP structure */
|
|
avio_seek(pb, offSetup, SEEK_SET);
|
|
avio_skip(pb, 140); // FrameRatae16 .. descriptionOld
|
|
if (avio_rl16(pb) != 0x5453)
|
|
return AVERROR_INVALIDDATA;
|
|
length = avio_rl16(pb);
|
|
if (length < 0x163C) {
|
|
avpriv_request_sample(avctx, "short SETUP header");
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
|
|
avio_skip(pb, 616); // Binning .. bFlipH
|
|
if (!avio_rl32(pb) ^ vflip) {
|
|
st->codec->extradata = av_strdup("BottomUp");
|
|
st->codec->extradata_size = 9;
|
|
}
|
|
|
|
avio_skip(pb, 4); // Grid
|
|
|
|
avpriv_set_pts_info(st, 64, 1, avio_rl32(pb));
|
|
|
|
avio_skip(pb, 20); // Shutter .. bEnableColor
|
|
|
|
set_metadata_int(&st->metadata, "camera_version", avio_rl32(pb), 0);
|
|
set_metadata_int(&st->metadata, "firmware_version", avio_rl32(pb), 0);
|
|
set_metadata_int(&st->metadata, "software_version", avio_rl32(pb), 0);
|
|
set_metadata_int(&st->metadata, "recording_timezone", avio_rl32(pb), 0);
|
|
|
|
CFA = avio_rl32(pb);
|
|
|
|
set_metadata_int(&st->metadata, "brightness", avio_rl32(pb), 1);
|
|
set_metadata_int(&st->metadata, "contrast", avio_rl32(pb), 1);
|
|
set_metadata_int(&st->metadata, "gamma", avio_rl32(pb), 1);
|
|
|
|
avio_skip(pb, 12 + 16); // Reserved1 .. AutoExpRect
|
|
set_metadata_float(&st->metadata, "wbgain[0].r", av_int2float(avio_rl32(pb)), 1);
|
|
set_metadata_float(&st->metadata, "wbgain[0].b", av_int2float(avio_rl32(pb)), 1);
|
|
avio_skip(pb, 36); // WBGain[1].. WBView
|
|
|
|
st->codec->bits_per_coded_sample = avio_rl32(pb);
|
|
|
|
if (compression == CC_RGB) {
|
|
if (biBitCount == 8) {
|
|
st->codec->pix_fmt = AV_PIX_FMT_GRAY8;
|
|
} else if (biBitCount == 16) {
|
|
st->codec->pix_fmt = AV_PIX_FMT_GRAY16LE;
|
|
} else if (biBitCount == 24) {
|
|
st->codec->pix_fmt = AV_PIX_FMT_BGR24;
|
|
} else if (biBitCount == 48) {
|
|
st->codec->pix_fmt = AV_PIX_FMT_BGR48LE;
|
|
} else {
|
|
avpriv_request_sample(avctx, "unsupported biBitCount %i", biBitCount);
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
} else if (compression == CC_UNINT) {
|
|
switch (CFA & 0xFFFFFF) {
|
|
case CFA_BAYER:
|
|
if (biBitCount == 8) {
|
|
st->codec->pix_fmt = AV_PIX_FMT_BAYER_GBRG8;
|
|
} else if (biBitCount == 16) {
|
|
st->codec->pix_fmt = AV_PIX_FMT_BAYER_GBRG16LE;
|
|
} else {
|
|
avpriv_request_sample(avctx, "unsupported biBitCount %i", biBitCount);
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
break;
|
|
case CFA_BAYERFLIP:
|
|
if (biBitCount == 8) {
|
|
st->codec->pix_fmt = AV_PIX_FMT_BAYER_RGGB8;
|
|
} else if (biBitCount == 16) {
|
|
st->codec->pix_fmt = AV_PIX_FMT_BAYER_RGGB16LE;
|
|
} else {
|
|
avpriv_request_sample(avctx, "unsupported biBitCount %i", biBitCount);
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
break;
|
|
default:
|
|
avpriv_request_sample(avctx, "unsupported Color Field Array (CFA) %i", CFA & 0xFFFFFF);
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
} else { //CC_LEAD
|
|
avpriv_request_sample(avctx, "unsupported compression %i", compression);
|
|
return AVERROR_INVALIDDATA;
|
|
}
|
|
|
|
avio_skip(pb, 668); // Conv8Min ... Sensor
|
|
|
|
set_metadata_int(&st->metadata, "shutter_ns", avio_rl32(pb), 0);
|
|
|
|
avio_skip(pb, 24); // EDRShutterNs ... ImHeightAcq
|
|
|
|
#define DESCRIPTION_SIZE 4096
|
|
description = av_malloc(DESCRIPTION_SIZE + 1);
|
|
if (!description)
|
|
return AVERROR(ENOMEM);
|
|
i = avio_get_str(pb, DESCRIPTION_SIZE, description, DESCRIPTION_SIZE + 1);
|
|
if (i < DESCRIPTION_SIZE)
|
|
avio_skip(pb, DESCRIPTION_SIZE - i);
|
|
if (description[0])
|
|
av_dict_set(&st->metadata, "description", description, AV_DICT_DONT_STRDUP_VAL);
|
|
else
|
|
av_free(description);
|
|
|
|
avio_skip(pb, 1176); // RisingEdge ... cmUser
|
|
|
|
set_metadata_int(&st->metadata, "enable_crop", avio_rl32(pb), 1);
|
|
set_metadata_int(&st->metadata, "crop_left", avio_rl32(pb), 1);
|
|
set_metadata_int(&st->metadata, "crop_top", avio_rl32(pb), 1);
|
|
set_metadata_int(&st->metadata, "crop_right", avio_rl32(pb), 1);
|
|
set_metadata_int(&st->metadata, "crop_bottom", avio_rl32(pb), 1);
|
|
|
|
/* parse image offsets */
|
|
avio_seek(pb, offImageOffsets, SEEK_SET);
|
|
for (i = 0; i < st->duration; i++)
|
|
av_add_index_entry(st, avio_rl64(pb), i, 0, 0, AVINDEX_KEYFRAME);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cine_read_packet(AVFormatContext *avctx, AVPacket *pkt)
|
|
{
|
|
CineDemuxContext *cine = avctx->priv_data;
|
|
AVStream *st = avctx->streams[0];
|
|
AVIOContext *pb = avctx->pb;
|
|
int n, size, ret;
|
|
|
|
if (cine->pts >= st->duration)
|
|
return AVERROR_EOF;
|
|
|
|
avio_seek(pb, st->index_entries[cine->pts].pos, SEEK_SET);
|
|
n = avio_rl32(pb);
|
|
if (n < 8)
|
|
return AVERROR_INVALIDDATA;
|
|
avio_skip(pb, n - 8);
|
|
size = avio_rl32(pb);
|
|
|
|
ret = av_get_packet(pb, pkt, size);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
pkt->pts = cine->pts++;
|
|
pkt->stream_index = 0;
|
|
pkt->flags |= AV_PKT_FLAG_KEY;
|
|
return 0;
|
|
}
|
|
|
|
static int cine_read_seek(AVFormatContext *avctx, int stream_index, int64_t timestamp, int flags)
|
|
{
|
|
CineDemuxContext *cine = avctx->priv_data;
|
|
|
|
if ((flags & AVSEEK_FLAG_FRAME) || (flags & AVSEEK_FLAG_BYTE))
|
|
return AVERROR(ENOSYS);
|
|
|
|
if (!avctx->pb->seekable)
|
|
return AVERROR(EIO);
|
|
|
|
cine->pts = timestamp;
|
|
return 0;
|
|
}
|
|
|
|
AVInputFormat ff_cine_demuxer = {
|
|
.name = "cine",
|
|
.long_name = NULL_IF_CONFIG_SMALL("Phantom Cine"),
|
|
.priv_data_size = sizeof(CineDemuxContext),
|
|
.read_probe = cine_read_probe,
|
|
.read_header = cine_read_header,
|
|
.read_packet = cine_read_packet,
|
|
.read_seek = cine_read_seek,
|
|
};
|