[FFmpeg-devel] [PATCH] Add FITS Decoder
Paras Chadha
paraschadha18 at gmail.com
Mon Jun 19 18:37:11 EEST 2017
Added support for XTENSION keyword
Signed-off-by: Paras Chadha <paraschadha18 at gmail.com>
---
Changelog | 1 +
doc/general.texi | 2 +
libavcodec/Makefile | 1 +
libavcodec/allcodecs.c | 1 +
libavcodec/avcodec.h | 1 +
libavcodec/codec_desc.c | 8 +
libavcodec/fitsdec.c | 518 ++++++++++++++++++++++++++++++++++++++++++++++++
libavcodec/version.h | 2 +-
libavformat/img2.c | 1 +
9 files changed, 534 insertions(+), 1 deletion(-)
create mode 100644 libavcodec/fitsdec.c
diff --git a/Changelog b/Changelog
index a893efa..a07644c 100644
--- a/Changelog
+++ b/Changelog
@@ -22,6 +22,7 @@ version <next>:
- headphone audio filter
- superequalizer audio filter
- roberts video filter
+- FITS decoder
version 3.3:
- CrystalHD decoder moved to new decode API
diff --git a/doc/general.texi b/doc/general.texi
index 8f582d5..c00ce32 100644
--- a/doc/general.texi
+++ b/doc/general.texi
@@ -591,6 +591,8 @@ following image formats are supported:
@tab Digital Picture Exchange
@item EXR @tab @tab X
@tab OpenEXR
+ at item FITS @tab @tab X
+ @tab Flexible Image Transport System
@item JPEG @tab X @tab X
@tab Progressive JPEG is not supported.
@item JPEG 2000 @tab X @tab X
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 2e7f19d..2cfd1fe 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -291,6 +291,7 @@ OBJS-$(CONFIG_FFV1_DECODER) += ffv1dec.o ffv1.o
OBJS-$(CONFIG_FFV1_ENCODER) += ffv1enc.o ffv1.o
OBJS-$(CONFIG_FFWAVESYNTH_DECODER) += ffwavesynth.o
OBJS-$(CONFIG_FIC_DECODER) += fic.o
+OBJS-$(CONFIG_FITS_DECODER) += fitsdec.o
OBJS-$(CONFIG_FLAC_DECODER) += flacdec.o flacdata.o flac.o
OBJS-$(CONFIG_FLAC_ENCODER) += flacenc.o flacdata.o flac.o vorbis_data.o
OBJS-$(CONFIG_FLASHSV_DECODER) += flashsv.o
diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c
index 27110e1..8a89264 100644
--- a/libavcodec/allcodecs.c
+++ b/libavcodec/allcodecs.c
@@ -186,6 +186,7 @@ static void register_all(void)
REGISTER_ENCDEC (FFV1, ffv1);
REGISTER_ENCDEC (FFVHUFF, ffvhuff);
REGISTER_DECODER(FIC, fic);
+ REGISTER_DECODER(FITS, fits);
REGISTER_ENCDEC (FLASHSV, flashsv);
REGISTER_ENCDEC (FLASHSV2, flashsv2);
REGISTER_DECODER(FLIC, flic);
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 39be8cf..1310426 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -447,6 +447,7 @@ enum AVCodecID {
AV_CODEC_ID_SRGC,
AV_CODEC_ID_SVG,
AV_CODEC_ID_GDV,
+ AV_CODEC_ID_FITS,
/* various PCM "codecs" */
AV_CODEC_ID_FIRST_AUDIO = 0x10000, ///< A dummy id pointing at the start of audio codecs
diff --git a/libavcodec/codec_desc.c b/libavcodec/codec_desc.c
index cf1246e..0112517 100644
--- a/libavcodec/codec_desc.c
+++ b/libavcodec/codec_desc.c
@@ -1464,6 +1464,14 @@ static const AVCodecDescriptor codec_descriptors[] = {
AV_CODEC_PROP_LOSSLESS,
},
{
+ .id = AV_CODEC_ID_FITS,
+ .type = AVMEDIA_TYPE_VIDEO,
+ .name = "fits",
+ .long_name = NULL_IF_CONFIG_SMALL("Flexible Image Transport System"),
+ .props = AV_CODEC_PROP_INTRA_ONLY | AV_CODEC_PROP_LOSSY |
+ AV_CODEC_PROP_LOSSLESS,
+ },
+ {
.id = AV_CODEC_ID_GIF,
.type = AVMEDIA_TYPE_VIDEO,
.name = "gif",
diff --git a/libavcodec/fitsdec.c b/libavcodec/fitsdec.c
new file mode 100644
index 0000000..4e80936
--- /dev/null
+++ b/libavcodec/fitsdec.c
@@ -0,0 +1,518 @@
+/*
+ * FITS image decoder
+ * Copyright (c) 2017 Paras Chadha
+ *
+ * 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
+ * FITS image decoder
+ * It supports all 2-d images alongwith, bzero, bscale and blank keywords.
+ * RGBA images are supported as NAXIS3 = 3 or 4 i.e. Planes in RGBA order. Also CTYPE = 'RGB ' should be present.
+ * Also to interpret data, values are linearly scaled using min-max scaling but not RGB images.
+ */
+
+#include "avcodec.h"
+#include "internal.h"
+#include <float.h>
+#include "libavutil/intreadwrite.h"
+
+/**
+ * Structure to store the header keywords in FITS file
+ */
+typedef struct FITSContext {
+ char simple;
+ int bitpix;
+ int blank;
+ int naxis;
+ int naxisn[3];
+ int rgb; /**< 1 if file contains RGB image, 0 otherwise */
+ int xtension;
+ double bscale;
+ double bzero;
+ double data_min;
+ double data_max;
+} FITSDecContext;
+
+/**
+ * function calculates the data_min and data_max values from the data.
+ * This is called if the values are not present in the header.
+ * @param ptr8 - pointer to the data
+ * @param header - pointer to the header
+ * @return 1, if calculated successfully, otherwise AVERROR_INVALIDDATA
+ */
+static int fill_data_min_max(const uint8_t * ptr8, FITSDecContext * header, const uint8_t * end)
+{
+ int16_t t16;
+ int32_t t32;
+ int64_t t64;
+ float tflt;
+ double tdbl;
+ int i, j;
+
+ header->data_min = DBL_MAX;
+ header->data_max = DBL_MIN;
+ switch (header->bitpix) {
+ case -64:
+ t64 = AV_RB64(ptr8);
+ memcpy(&tdbl, &t64, 8);
+ for (i = 0; i < header->naxisn[1]; i++) {
+ for (j = 0; j < header->naxisn[0]; j++) {
+ t64 = AV_RB64(ptr8);
+ memcpy(&tdbl, &t64, 8);
+ if (tdbl > header->data_max)
+ header->data_max = tdbl;
+ if (tdbl < header->data_min)
+ header->data_min = tdbl;
+ ptr8 += 8;
+ }
+ }
+ break;
+ case -32:
+ t32 = AV_RB32(ptr8);
+ memcpy(&tflt, &t32, 4);
+ for (i = 0; i < header->naxisn[1]; i++) {
+ for (j = 0; j < header->naxisn[0]; j++) {
+ t32 = AV_RB32(ptr8);
+ memcpy(&tflt, &t32, 4);
+ if (tflt > header->data_max)
+ header->data_max = tflt;
+ if (tflt < header->data_min)
+ header->data_min = tflt;
+ ptr8 += 4;
+ }
+ }
+ break;
+ case 8:
+ for (i = 0; i < header->naxisn[1]; i++) {
+ for (j = 0; j < header->naxisn[0]; j++) {
+ if (ptr8[0] != header->blank) {
+ if (ptr8[0] > header->data_max)
+ header->data_max = ptr8[0];
+ if (ptr8[0] < header->data_min)
+ header->data_min = ptr8[0];
+ }
+ ptr8++;
+ }
+ }
+ break;
+ case 16:
+ t16 = AV_RB16(ptr8);
+ for (i = 0; i < header->naxisn[1]; i++) {
+ for (j = 0; j < header->naxisn[0]; j++) {
+ t16 = AV_RB16(ptr8);
+ if (t16 != header->blank) {
+ if (t16 > header->data_max)
+ header->data_max = t16;
+ if (t16 < header->data_min)
+ header->data_min = t16;
+ }
+ ptr8 += 2;
+ }
+ }
+ break;
+ case 32:
+ t32 = AV_RB32(ptr8);
+ for (i = 0; i < header->naxisn[1]; i++) {
+ for (j = 0; j < header->naxisn[0]; j++) {
+ t32 = AV_RB32(ptr8);
+ if (t32 != header->blank) {
+ if (t32 > header->data_max)
+ header->data_max = t32;
+ if (t32 < header->data_min)
+ header->data_min = t32;
+ }
+ ptr8 += 4;
+ }
+ }
+ break;
+ case 64:
+ t64 = AV_RB64(ptr8);
+ for (i = 0; i < header->naxisn[1]; i++) {
+ for (j = 0; j < header->naxisn[0]; j++) {
+ t64 = AV_RB64(ptr8);
+ if (t64 != header->blank) {
+ if (t64 > header->data_max)
+ header->data_max = t64;
+ if (t64 < header->data_min)
+ header->data_min = t64;
+ }
+ ptr8 += 8;
+ }
+ }
+ break;
+ default:
+ return AVERROR_INVALIDDATA;
+ }
+ return 1;
+}
+
+/**
+ * function reads the fits header and stores the values in FITSDecContext pointed by header
+ * @param avctx - AVCodec context
+ * @param ptr - pointer to pointer to the data
+ * @param header - pointer to the FITSDecContext
+ * @param end - pointer to end of packet
+ * @return 1, if calculated successfully, otherwise AVERROR_INVALIDDATA
+ */
+static int fits_read_header(AVCodecContext *avctx, const uint8_t **ptr, FITSDecContext * header, const uint8_t * end)
+{
+ const uint8_t *ptr8 = *ptr;
+ int lines_read = 0, i, dim_no, t, data_min_found = 0, data_max_found = 0, ret;
+ uint64_t size=1;
+ double d;
+
+ header->blank = 0;
+ header->bscale = 1.0;
+ header->bzero = 0;
+ header->rgb = 0;
+
+ if (end - ptr8 < 80)
+ return AVERROR_INVALIDDATA;
+
+ if (sscanf(ptr8, "SIMPLE = %c", &header->simple) == 1) {
+ if (header->simple == 'F') {
+ av_log(avctx, AV_LOG_WARNING, "not a standard FITS file\n");
+ } else if (header->simple != 'T') {
+ av_log(avctx, AV_LOG_ERROR, "invalid SIMPLE value, SIMPLE = %c\n", header->simple);
+ return AVERROR_INVALIDDATA;
+ }
+ header->xtension = 0;
+ } else if (!strncmp(ptr8, "XTENSION= 'IMAGE", 16)) {
+ header->xtension = 1;
+ } else {
+ av_log(avctx, AV_LOG_ERROR, "missing SIMPLE keyword or invalid XTENSION\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ ptr8 += 80;
+ lines_read++;
+
+ if (end - ptr8 < 80)
+ return AVERROR_INVALIDDATA;
+
+ if (sscanf(ptr8, "BITPIX = %d", &header->bitpix) != 1) {
+ av_log(avctx, AV_LOG_ERROR, "missing BITPIX keyword\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ size = abs(header->bitpix) >> 3;
+ ptr8 += 80;
+ lines_read++;
+
+ if (end - ptr8 < 80)
+ return AVERROR_INVALIDDATA;
+
+ if (sscanf(ptr8, "NAXIS = %d", &header->naxis) != 1) {
+ av_log(avctx, AV_LOG_ERROR, "missing NAXIS keyword\n");
+ return AVERROR_INVALIDDATA;
+ }
+
+ if (!header->naxis) {
+ av_log(avctx, AV_LOG_ERROR, "No image data found, NAXIS = %d\n", header->naxis);
+ return AVERROR_INVALIDDATA;
+ }
+
+ if (header->naxis != 2 && header->naxis != 3) {
+ av_log(avctx, AV_LOG_ERROR, "unsupported number of dimensions, NAXIS = %d\n", header->naxis);
+ return AVERROR_INVALIDDATA;
+ }
+
+ ptr8 += 80;
+ lines_read++;
+
+ for (i = 0; i < header->naxis; i++) {
+ if (end - ptr8 < 80)
+ return AVERROR_INVALIDDATA;
+
+ if (sscanf(ptr8, "NAXIS%d = %d", &dim_no, &header->naxisn[i]) != 2 || dim_no != i+1) {
+ av_log(avctx, AV_LOG_ERROR, "missing NAXIS%d keyword\n", i+1);
+ return AVERROR_INVALIDDATA;
+ }
+
+ size *= header->naxisn[i];
+ ptr8 += 80;
+ lines_read++;
+ }
+
+ if (end - ptr8 < 80)
+ return AVERROR_INVALIDDATA;
+
+ while (strncmp(ptr8, "END", 3)) {
+ if (sscanf(ptr8, "BLANK = %d", &t) == 1) {
+ header->blank = t;
+ } else if (sscanf(ptr8, "BSCALE = %lf", &d) == 1) {
+ header->bscale = d;
+ } else if (sscanf(ptr8, "BZERO = %lf", &d) == 1) {
+ header->bzero = d;
+ } else if (sscanf(ptr8, "DATAMAX = %lf", &d) == 1) {
+ data_max_found = 1;
+ header->data_max = d;
+ } else if (sscanf(ptr8, "DATAMIN = %lf", &d) == 1) {
+ data_min_found = 1;
+ header->data_min = d;
+ } else if (!strncmp(ptr8, "CTYPE3 = 'RGB", 14)) {
+ header->rgb = 1;
+ if (header->naxis != 3 || (header->naxisn[2] != 3 && header->naxisn[2] != 4)) {
+ av_log(avctx, AV_LOG_ERROR, "File contains RGB image but NAXIS = %d and NAXIS3 = %d\n", header->naxis, header->naxisn[2]);
+ return AVERROR_INVALIDDATA;
+ }
+ }
+ ptr8 += 80;
+ lines_read++;
+
+ if (end - ptr8 < 80)
+ return AVERROR_INVALIDDATA;
+ }
+
+ if (!header->rgb && header->naxis != 2){
+ av_log(avctx, AV_LOG_ERROR, "unsupported number of dimensions, NAXIS = %d\n", header->naxis);
+ return AVERROR_INVALIDDATA;
+ }
+
+ ptr8 += 80;
+ lines_read++;
+ lines_read %= 36;
+
+ t = ((36 - lines_read) % 36) * 80;
+ if (end - ptr8 < t)
+ return AVERROR_INVALIDDATA;
+ ptr8 += t;
+ *ptr = ptr8;
+
+ if (end - ptr8 < size)
+ return AVERROR_INVALIDDATA;
+
+ if (!header->rgb && (!data_min_found || !data_max_found)) {
+ if ((ret = fill_data_min_max(ptr8, header, end)) < 0) {
+ av_log(avctx, AV_LOG_ERROR, "invalid BITPIX, %d\n", header->bitpix);
+ return AVERROR_INVALIDDATA;
+ }
+ } else {
+ /*
+ * instead of applying bscale and bzero to every element, we can do inverse transformation on data_min and
+ * data_max
+ */
+ header->data_min = (header->data_min - header->bzero) / header->bscale;
+ header->data_max = (header->data_max - header->bzero) / header->bscale;
+ }
+ return 1;
+}
+
+static int fits_decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPacket *avpkt)
+{
+ AVFrame *p=data;
+ const uint8_t *ptr8 = avpkt->data, *end;
+ int16_t t16;
+ int32_t t32;
+ int64_t t64;
+ float tflt;
+ double tdbl;
+ int ret, i, j;
+ uint8_t *dst8;
+ uint16_t *dst16;
+ uint32_t *dst32;
+ uint64_t *dst64, size, r, g, b, a, t;
+ FITSDecContext * header = avctx->priv_data;
+
+ end = ptr8 + avpkt->size;
+ if (ret = fits_read_header(avctx, &ptr8, header, end) < 0)
+ return ret;
+
+ size = (header->naxisn[0]) * (header->naxisn[1]);
+
+ if (header->rgb) {
+ if (header->bitpix == 8) {
+ avctx->pix_fmt = AV_PIX_FMT_RGB32;
+ } else if (header->bitpix == 16) {
+ avctx->pix_fmt = AV_PIX_FMT_RGBA64;
+ } else {
+ av_log(avctx, AV_LOG_ERROR, "unsupported BITPIX = %d\n", header->bitpix);
+ return AVERROR_INVALIDDATA;
+ }
+ } else {
+ if (header->bitpix == 8) {
+ avctx->pix_fmt = AV_PIX_FMT_GRAY8;
+ } else {
+ avctx->pix_fmt = AV_PIX_FMT_GRAY16;
+ }
+ }
+
+ if ((ret = ff_set_dimensions(avctx, header->naxisn[0], header->naxisn[1])) < 0)
+ return ret;
+
+ if ((ret = ff_get_buffer(avctx, p, 0)) < 0)
+ return ret;
+
+ if (header->rgb) {
+ if (header->bitpix == 8) {
+ for (i = 0; i < avctx->height; i++) {
+ /*
+ * FITS stores images with bottom row first. Therefore we have
+ * to fill the image from bottom to top.
+ */
+ dst32 = (uint32_t *)(p->data[0] + (avctx->height-i-1)* p->linesize[0]);
+ for (j = 0; j < avctx->width; j++) {
+ if (header->naxisn[2] == 4) {
+ if (ptr8[size * 3] != header->blank)
+ t = ptr8[size * 3] * header->bscale + header->bzero;
+ a = t << 24;
+ } else {
+ a = (255 << 24);
+ }
+
+ if (ptr8[0] != header->blank)
+ t = ptr8[0] * header->bscale + header->bzero;
+ r = t << 16;
+
+ if (ptr8[size] != header->blank)
+ t = ptr8[size] * header->bscale + header->bzero;
+ g = t << 8;
+
+ if (ptr8[size * 2] != header->blank)
+ t = ptr8[size * 2] * header->bscale + header->bzero;
+ b = t;
+
+ *dst32++ = ((uint32_t)a) | ((uint32_t)r) | ((uint32_t)g) | ((uint32_t)b);
+ ptr8++;
+ }
+ }
+ } else if (header->bitpix == 16) {
+ // not tested ....
+ for (i = 0; i < avctx->height; i++) {
+ dst64 = (uint64_t *)(p->data[0] + (avctx->height-i-1) * p->linesize[0]);
+ for (j = 0; j < avctx->width; j++) {
+
+ if (header->naxisn[2] == 4) {
+ t = ((ptr8[size * 3] << 8) | ptr8[size * 3 + 1]);
+ if (t != header->blank)
+ t = t*header->bscale + header->bzero;
+ a = t << 48;
+ } else {
+ a = 65535ULL << 48;
+ }
+
+ t = ptr8[0] << 8 | ptr8[1];
+ if (t != header->blank)
+ t = t*header->bscale + header->bzero;
+ r = t << 32;
+
+ t = ptr8[size] << 8 | ptr8[size + 1];
+ if (t != header->blank)
+ t = t*header->bscale + header->bzero;
+ g = t << 16;
+
+ t = ptr8[size * 2] << 8 | ptr8[size * 2 + 1];
+ if (t != header->blank)
+ t = t*header->bscale + header->bzero;
+ b = t;
+
+ *dst64++ = a | r | g | b;
+ ptr8 += 2;
+ }
+ }
+ }
+ } else {
+ if (header->bitpix == 8) {
+ for (i = 0; i < avctx->height; i++) {
+ dst8 = (uint8_t *) (p->data[0] + (avctx->height-i-1)* p->linesize[0]);
+ for (j = 0; j < avctx->width; j++) {
+ if (ptr8[0] != header->blank) {
+ *dst8++ = ((ptr8[0] - header->data_min) * 255) / (header->data_max - header->data_min);
+ } else {
+ *dst8++ = ptr8[0];
+ }
+ ptr8++;
+ }
+ }
+ } else if (header->bitpix == 16) {
+ for (i = 0; i < avctx->height; i++) {
+ dst16 = (uint16_t *)(p->data[0] + (avctx->height-i-1) * p->linesize[0]);
+ for (j = 0; j < avctx->width; j++) {
+ t16 = AV_RB16(ptr8);
+ if (t16 != header->blank)
+ t16 = ((t16 - header->data_min) * 65535) / (header->data_max - header->data_min);
+ *dst16++ = t16;
+ ptr8 += 2;
+ }
+ }
+ } else if (header->bitpix == 32) {
+ for (i = 0; i < avctx->height; i++) {
+ dst16 = (uint16_t *)(p->data[0] + (avctx->height-i-1) * p->linesize[0]);
+ for (j = 0; j < avctx->width; j++) {
+ t32 = AV_RB32(ptr8);
+ if (t32 != header->blank)
+ t16 = ((t32 - header->data_min) * 65535) / (header->data_max - header->data_min);
+ *dst16++ = t16;
+ ptr8 += 4;
+ }
+ }
+ } else if (header->bitpix == 64) {
+ for (i = 0; i < avctx->height; i++) {
+ dst16 = (uint16_t *)(p->data[0] + (avctx->height-i-1) * p->linesize[0]);
+ for (j = 0; j < avctx->width; j++) {
+ t64 = AV_RB64(ptr8);
+ if (t64 != header->blank)
+ t16 = ((t64 - header->data_min) * 65535) / (header->data_max - header->data_min);
+ *dst16++ = t16;
+ ptr8 += 8;
+ }
+ }
+ } else if (header->bitpix == -32) {
+ for (i = 0; i < avctx->height; i++) {
+ dst16 = (uint16_t *)(p->data[0] + (avctx->height-i-1) * p->linesize[0]);
+ for (j = 0; j < avctx->width; j++) {
+ t32 = AV_RB32(ptr8);
+ memcpy(&tflt, &t32, 4);
+ *dst16++ = ((tflt - header->data_min) * 65535) / (header->data_max - header->data_min);
+ ptr8 += 4;
+ }
+ }
+ } else if (header->bitpix == -64) {
+ for (i = 0; i < avctx->height; i++) {
+ dst16 = (uint16_t *)(p->data[0] + (avctx->height-i-1) * p->linesize[0]);
+ for (j = 0; j < avctx->width; j++) {
+ t64 = AV_RB64(ptr8);
+ memcpy(&tdbl, &t64, 8);
+ *dst16++ = ((tdbl - header->data_min) * 65535) / (header->data_max - header->data_min);
+ ptr8 += 8;
+ }
+ }
+ } else {
+ av_log(avctx, AV_LOG_ERROR, "invalid BITPIX, %d\n", header->bitpix);
+ return AVERROR_INVALIDDATA;
+ }
+ }
+
+ p->key_frame = 1;
+ p->pict_type = AV_PICTURE_TYPE_I;
+
+ *got_frame = 1;
+
+ return avpkt->size;
+}
+
+AVCodec ff_fits_decoder = {
+ .name = "fits",
+ .type = AVMEDIA_TYPE_VIDEO,
+ .id = AV_CODEC_ID_FITS,
+ .priv_data_size = sizeof(FITSDecContext),
+ .decode = fits_decode_frame,
+ .capabilities = AV_CODEC_CAP_DR1,
+ .long_name = NULL_IF_CONFIG_SMALL("Flexible Image Transport System")
+};
diff --git a/libavcodec/version.h b/libavcodec/version.h
index a44a888..4af01ba 100644
--- a/libavcodec/version.h
+++ b/libavcodec/version.h
@@ -28,7 +28,7 @@
#include "libavutil/version.h"
#define LIBAVCODEC_VERSION_MAJOR 57
-#define LIBAVCODEC_VERSION_MINOR 99
+#define LIBAVCODEC_VERSION_MINOR 100
#define LIBAVCODEC_VERSION_MICRO 100
#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
diff --git a/libavformat/img2.c b/libavformat/img2.c
index 8432cc0..e405df8 100644
--- a/libavformat/img2.c
+++ b/libavformat/img2.c
@@ -80,6 +80,7 @@ const IdStrMap ff_img_tags[] = {
{ AV_CODEC_ID_XPM, "xpm" },
{ AV_CODEC_ID_XFACE, "xface" },
{ AV_CODEC_ID_XWD, "xwd" },
+ { AV_CODEC_ID_FITS, "fits" },
{ AV_CODEC_ID_NONE, NULL }
};
--
2.4.11
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