guacamole-spice-protocol/src/guacenc/guacenc.c
2016-03-15 12:26:13 -07:00

145 lines
4.3 KiB
C

/*
* Copyright (C) 2016 Glyptodon, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "config.h"
#include "encode.h"
#include "guacenc.h"
#include "log.h"
#include "parse.h"
#include <libavcodec/avcodec.h>
#include <getopt.h>
#include <stdio.h>
int main(int argc, char* argv[]) {
int i;
/* Load defaults */
int width = GUACENC_DEFAULT_WIDTH;
int height = GUACENC_DEFAULT_HEIGHT;
int bitrate = GUACENC_DEFAULT_BITRATE;
/* Parse arguments */
int opt;
while ((opt = getopt(argc, argv, "s:r:")) != -1) {
/* -s: Dimensions (WIDTHxHEIGHT) */
if (opt == 's') {
if (guacenc_parse_dimensions(optarg, &width, &height)) {
guacenc_log(GUAC_LOG_ERROR, "Invalid dimensions.");
goto invalid_options;
}
}
/* -r: Bitrate (bits per second) */
else if (opt == 'r') {
if (guacenc_parse_int(optarg, &bitrate)) {
guacenc_log(GUAC_LOG_ERROR, "Invalid bitrate.");
goto invalid_options;
}
}
/* Invalid option */
else {
goto invalid_options;
}
}
/* Log start */
guacenc_log(GUAC_LOG_INFO, "Guacamole video encoder (guacenc) "
"version " VERSION);
/* Prepare libavcodec */
avcodec_register_all();
/* Track number of overall failures */
int total_files = argc - optind;
int failures = 0;
/* Abort if no files given */
if (total_files <= 0) {
guacenc_log(GUAC_LOG_INFO, "No input files specified. Nothing to do.");
return 0;
}
guacenc_log(GUAC_LOG_INFO, "%i input file(s) provided.", total_files);
guacenc_log(GUAC_LOG_INFO, "Video will be encoded at %ix%i "
"and %i bps.", width, height, bitrate);
/* Encode all input files */
for (i = optind; i < argc; i++) {
/* Get current filename */
const char* path = argv[i];
/* Generate output filename */
char out_path[4096];
int len = snprintf(out_path, sizeof(out_path), "%s.m4v", path);
/* Do not write if filename exceeds maximum length */
if (len >= sizeof(out_path)) {
guacenc_log(GUAC_LOG_ERROR, "Cannot write output file for \"%s\": "
"Name too long", path);
continue;
}
/* Attempt encoding, log granular success/failure at debug level */
if (guacenc_encode(path, out_path, "mpeg4", width, height, bitrate)) {
failures++;
guacenc_log(GUAC_LOG_DEBUG,
"%s was NOT successfully encoded.", path);
}
else
guacenc_log(GUAC_LOG_DEBUG, "%s was successfully encoded.", path);
}
/* Warn if at least one file failed */
if (failures != 0)
guacenc_log(GUAC_LOG_WARNING, "Encoding failed for %i of %i file(s).",
failures, total_files);
/* Notify of success */
else
guacenc_log(GUAC_LOG_INFO, "All files encoded successfully.");
/* Encoding complete */
return 0;
/* Display usage and exit with error if options are invalid */
invalid_options:
fprintf(stderr, "USAGE: %s"
" [-s WIDTHxHEIGHT]"
" [-r BITRATE]"
" [FILE]...\n", argv[0]);
return 1;
}