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dbaf95c724
This change should make it less confusing where utility code comes from. Having it in two places made sense when we were debating whether to publish Sandbox2 separately, but not any longer. Follow-up changes will move `sandbox2/util.h` and rename the remaining `sandbox2/util` folder. PiperOrigin-RevId: 351601640 Change-Id: I6256845261f610e590c25e2c59851cc51da2d778
96 lines
2.9 KiB
C++
96 lines
2.9 KiB
C++
// Copyright 2020 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <cstdio>
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#include <iostream>
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#include "guetzli_transaction.h" // NOLINT(build/include)
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#include "sandboxed_api/util/fileops.h"
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namespace {
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constexpr int kDefaultJPEGQuality = 95;
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constexpr int kDefaultMemlimitMB = 6000;
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void Usage() {
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fprintf(stderr,
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"Guetzli JPEG compressor. Usage: \n"
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"guetzli [flags] input_filename output_filename\n"
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"\n"
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"Flags:\n"
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" --verbose - Print a verbose trace of all attempts to standard "
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"output.\n"
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" --quality Q - Visual quality to aim for, expressed as a JPEG "
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"quality value.\n"
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" Default value is %d.\n"
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" --memlimit M - Memory limit in MB. Guetzli will fail if unable to "
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"stay under\n"
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" the limit. Default limit is %d MB.\n"
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" --nomemlimit - Do not limit memory usage.\n",
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kDefaultJPEGQuality, kDefaultMemlimitMB);
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exit(1);
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}
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} // namespace
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int main(int argc, const char** argv) {
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int verbose = 0;
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int quality = kDefaultJPEGQuality;
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int memlimit_mb = kDefaultMemlimitMB;
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int opt_idx = 1;
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for (; opt_idx < argc; opt_idx++) {
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if (strnlen(argv[opt_idx], 2) < 2 || argv[opt_idx][0] != '-' ||
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argv[opt_idx][1] != '-')
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break;
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if (!strcmp(argv[opt_idx], "--verbose")) {
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verbose = 1;
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} else if (!strcmp(argv[opt_idx], "--quality")) {
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opt_idx++;
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if (opt_idx >= argc) Usage();
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quality = atoi(argv[opt_idx]); // NOLINT(runtime/deprecated_fn)
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} else if (!strcmp(argv[opt_idx], "--memlimit")) {
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opt_idx++;
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if (opt_idx >= argc) Usage();
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memlimit_mb = atoi(argv[opt_idx]); // NOLINT(runtime/deprecated_fn)
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} else if (!strcmp(argv[opt_idx], "--nomemlimit")) {
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memlimit_mb = -1;
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} else if (!strcmp(argv[opt_idx], "--")) {
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opt_idx++;
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break;
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} else {
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fprintf(stderr, "Unknown commandline flag: %s\n", argv[opt_idx]);
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Usage();
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}
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}
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if (argc - opt_idx != 2) {
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Usage();
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}
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guetzli::sandbox::TransactionParams params = {
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argv[opt_idx], argv[opt_idx + 1], verbose, quality, memlimit_mb};
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guetzli::sandbox::GuetzliTransaction transaction(std::move(params));
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auto result = transaction.Run();
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if (!result.ok()) {
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std::cerr << result.ToString() << std::endl;
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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