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-rw-r--r--tools/bmffinfo.c142
1 files changed, 0 insertions, 142 deletions
diff --git a/tools/bmffinfo.c b/tools/bmffinfo.c
deleted file mode 100644
index f0c6ff1..0000000
--- a/tools/bmffinfo.c
+++ /dev/null
@@ -1,142 +0,0 @@
-//
-// bmffinfo.c: acquire information about BMFF files in JSON format
-//
-// Copyright (c) 2021, Přemysl Eric Janouch <p@janouch.name>
-//
-// Permission to use, copy, modify, and/or distribute this software for any
-// purpose with or without fee is hereby granted.
-//
-// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
-// SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
-// OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
-// CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-//
-
-#include "info.h"
-
-#include <jv.h>
-
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-// --- ISO/IEC base media file format ------------------------------------------
-// ISO/IEC 14496-12:2015(E), used to be publicly available, now there's only:
-// https://mpeg.chiariglione.org/standards/mpeg-4/iso-base-media-file-format/text-isoiec-14496-12-5th-edition
-// but people have managed to archive the final version as well:
-// https://b.goeswhere.com/ISO_IEC_14496-12_2015.pdf
-//
-// ISO/IEC 23008-12:2017 Information technology -
-// High efficiency coding and media delivery in heterogeneous environments -
-// Part 12: Image File Format + Cor 1:2020 Technical Corrigendum 1
-// https://standards.iso.org/ittf/PubliclyAvailableStandards/
-
-static jv
-parse_bmff_box(jv o, const char *type, const uint8_t *data, size_t len)
-{
- // TODO(p): Parse out "uuid"'s uint8_t[16] initial field, present as hex.
- // TODO(p): Parse out "ftyp" contents: 14496-12:2015 4.3
- // TODO(p): Parse out other important boxes: 14496-12:2015 8+
- return add_to_subarray(o, "boxes", jv_string(type));
-}
-
-static jv
-parse_bmff(jv o, const uint8_t *p, size_t len)
-{
- // 4.2 Object Structure--this box need not be present, nor at the beginning
- // TODO(p): What does `aligned(8)` mean? It's probably in bits.
- if (len < 8 || memcmp(p + 4, "ftyp", 4))
- return add_error(o, "not BMFF at all or unsupported");
-
- const uint8_t *end = p + len;
- while (p < end) {
- if (end - p < 8) {
- o = add_warning(o, "box framing mismatch");
- break;
- }
-
- char type[5] = "";
- memcpy(type, p + 4, 4);
-
- uint64_t box_size = u32be(p);
- const uint8_t *data = p + 8;
- if (box_size == 1) {
- if (end - p < 16) {
- o = add_warning(o, "unexpected EOF");
- break;
- }
- box_size = u64be(data);
- data += 8;
- } else if (!box_size)
- box_size = end - p;
-
- if (box_size > (uint64_t) (end - p)) {
- o = add_warning(o, "unexpected EOF");
- break;
- }
-
- size_t data_len = box_size - (data - p);
- o = parse_bmff_box(o, type, data, data_len);
- p += box_size;
- }
- return o;
-}
-
-// --- I/O ---------------------------------------------------------------------
-
-static jv
-do_file(const char *filename, jv o)
-{
- const char *err = NULL;
- FILE *fp = fopen(filename, "rb");
- if (!fp) {
- err = strerror(errno);
- goto error;
- }
-
- uint8_t *data = NULL, buf[256 << 10];
- size_t n, len = 0;
- while ((n = fread(buf, sizeof *buf, sizeof buf / sizeof *buf, fp))) {
- data = realloc(data, len + n);
- memcpy(data + len, buf, n);
- len += n;
- }
- if (ferror(fp)) {
- err = strerror(errno);
- goto error_read;
- }
-
- o = parse_bmff(o, data, len);
-error_read:
- fclose(fp);
- free(data);
-error:
- if (err)
- o = add_error(o, err);
- return o;
-}
-
-int
-main(int argc, char *argv[])
-{
- (void) parse_icc;
- (void) parse_exif;
- (void) parse_psir;
-
- // XXX: Can't use `xargs -P0`, there's a risk of non-atomic writes.
- // Usage: find . -iname *.png -print0 | xargs -0 ./pnginfo
- for (int i = 1; i < argc; i++) {
- const char *filename = argv[i];
-
- jv o = jv_object();
- o = jv_object_set(o, jv_string("filename"), jv_string(filename));
- o = do_file(filename, o);
- jv_dumpf(o, stdout, 0 /* Might consider JV_PRINT_SORTED. */);
- fputc('\n', stdout);
- }
- return 0;
-}