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/*
* Copyright (c) 2025 - softworkz
*
* 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
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#if defined(_WIN32)
# include <windows.h>
# include <shellapi.h>
#else
# include <sys/time.h>
# include <time.h>
#endif
#include "graphprint.h"
int ff_open_html_in_browser(const char *html_path)
{
if (!html_path || !*html_path)
return -1;
#if defined(_WIN32)
// --- Windows ---------------------------------
{
HINSTANCE rc = ShellExecuteA(NULL, "open", html_path, NULL, NULL, SW_SHOWNORMAL);
if ((UINT_PTR)rc <= 32) {
// Fallback: system("start ...")
char cmd[1024];
_snprintf_s(cmd, sizeof(cmd), _TRUNCATE, "start \"\" \"%s\"", html_path);
if (system(cmd) != 0)
return -1;
}
return 0;
}
#elif defined(__APPLE__)
// --- macOS -----------------------------------
{
// "open" is the macOS command to open a file/URL with the default application
char cmd[1024];
snprintf(cmd, sizeof(cmd), "open '%s' 1>/dev/null 2>&1 &", html_path);
if (system(cmd) != 0)
return -1;
return 0;
}
#else
// --- Linux / Unix-like -----------------------
// We'll try xdg-open, then gnome-open, then kfmclient
{
// Helper macro to try one browser command
// Returns 0 on success, -1 on failure
#define TRY_CMD(prog) do { \
char buf[1024]; \
snprintf(buf, sizeof(buf), "%s '%s' 1>/dev/null 2>&1 &", \
(prog), html_path); \
int ret = system(buf); \
/* On Unix: system() returns -1 if the shell can't run. */\
/* Otherwise, check exit code in lower 8 bits. */\
if (ret != -1 && WIFEXITED(ret) && WEXITSTATUS(ret) == 0) \
return 0; \
} while (0)
TRY_CMD("xdg-open");
TRY_CMD("gnome-open");
TRY_CMD("kfmclient exec");
fprintf(stderr, "Could not open '%s' in a browser.\n", html_path);
return -1;
}
#endif
}
int ff_get_temp_dir(char *buf, size_t size)
{
#if defined(_WIN32)
// --- Windows ------------------------------------
{
// GetTempPathA returns length of the string (including trailing backslash).
// If the return value is greater than buffer size, it's an error.
DWORD len = GetTempPathA((DWORD)size, buf);
if (len == 0 || len > size) {
// Could not retrieve or buffer is too small
return -1;
}
return 0;
}
#else
// --- macOS / Linux / Unix -----------------------
// Follow typical POSIX convention: check common env variables
// and fallback to /tmp if not found.
{
const char *tmp = getenv("TMPDIR");
if (!tmp || !*tmp) tmp = getenv("TMP");
if (!tmp || !*tmp) tmp = getenv("TEMP");
if (!tmp || !*tmp) tmp = "/tmp";
// Copy into buf, ensure there's a trailing slash
size_t len = strlen(tmp);
if (len + 2 > size) {
// Need up to len + 1 for slash + 1 for null terminator
return -1;
}
strcpy(buf, tmp);
// Append slash if necessary
if (buf[len - 1] != '/' && buf[len - 1] != '\\') {
#if defined(__APPLE__)
// On macOS/Unix, use forward slash
buf[len] = '/';
buf[len + 1] = '\0';
#else
// Technically on Unix it's always '/', but here's how you'd do if needed:
buf[len] = '/';
buf[len + 1] = '\0';
#endif
}
return 0;
}
#endif
}
int ff_make_timestamped_html_name(char *buf, size_t size)
{
#if defined(_WIN32)
/*----------- Windows version -----------*/
SYSTEMTIME st;
GetLocalTime(&st);
/*
st.wYear, st.wMonth, st.wDay,
st.wHour, st.wMinute, st.wSecond, st.wMilliseconds
*/
int written = _snprintf_s(buf, size, _TRUNCATE,
"ffmpeg_graph_%04d-%02d-%02d_%02d-%02d-%02d_%03d.html",
st.wYear,
st.wMonth,
st.wDay,
st.wHour,
st.wMinute,
st.wSecond,
st.wMilliseconds);
if (written < 0)
return -1; /* Could not write into buffer */
return 0;
#else
/*----------- macOS / Linux / Unix version -----------*/
struct timeval tv;
if (gettimeofday(&tv, NULL) != 0) {
return -1; /* gettimeofday failed */
}
struct tm local_tm;
localtime_r(&tv.tv_sec, &local_tm);
int ms = (int)(tv.tv_usec / 1000); /* convert microseconds to milliseconds */
/*
local_tm.tm_year is years since 1900,
local_tm.tm_mon is 0-based (0=Jan, 11=Dec)
*/
int written = snprintf(buf, size,
"ffmpeg_graph_%04d-%02d-%02d_%02d-%02d-%02d_%03d.html",
local_tm.tm_year + 1900,
local_tm.tm_mon + 1,
local_tm.tm_mday,
local_tm.tm_hour,
local_tm.tm_min,
local_tm.tm_sec,
ms);
if (written < 0 || (size_t)written >= size) {
return -1; /* Buffer too small or formatting error */
}
return 0;
#endif
}
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