mirror of https://git.ffmpeg.org/ffmpeg.git
964 lines
28 KiB
C
964 lines
28 KiB
C
/*
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* Copyright (c) 2000-2003 Fabrice Bellard
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* multimedia converter based on the FFmpeg libraries
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*/
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#include "config.h"
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#include <errno.h>
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#include <limits.h>
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#include <stdatomic.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#if HAVE_IO_H
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#include <io.h>
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#endif
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#if HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#if HAVE_SYS_RESOURCE_H
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/resource.h>
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#elif HAVE_GETPROCESSTIMES
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#include <windows.h>
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#endif
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#if HAVE_GETPROCESSMEMORYINFO
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#include <windows.h>
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#include <psapi.h>
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#endif
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#if HAVE_SETCONSOLECTRLHANDLER
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#include <windows.h>
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#endif
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#if HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#endif
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#if HAVE_TERMIOS_H
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <sys/time.h>
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#include <termios.h>
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#elif HAVE_KBHIT
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#include <conio.h>
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#endif
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#include "libavutil/bprint.h"
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#include "libavutil/dict.h"
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#include "libavutil/mem.h"
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#include "libavutil/time.h"
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#include "libavformat/avformat.h"
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#include "libavdevice/avdevice.h"
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#include "cmdutils.h"
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#include "ffmpeg.h"
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#include "ffmpeg_sched.h"
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#include "ffmpeg_utils.h"
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const char program_name[] = "ffmpeg";
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const int program_birth_year = 2000;
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FILE *vstats_file;
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typedef struct BenchmarkTimeStamps {
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int64_t real_usec;
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int64_t user_usec;
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int64_t sys_usec;
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} BenchmarkTimeStamps;
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static BenchmarkTimeStamps get_benchmark_time_stamps(void);
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static int64_t getmaxrss(void);
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atomic_uint nb_output_dumped = 0;
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static BenchmarkTimeStamps current_time;
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AVIOContext *progress_avio = NULL;
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InputFile **input_files = NULL;
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int nb_input_files = 0;
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OutputFile **output_files = NULL;
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int nb_output_files = 0;
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FilterGraph **filtergraphs;
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int nb_filtergraphs;
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Decoder **decoders;
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int nb_decoders;
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#if HAVE_TERMIOS_H
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/* init terminal so that we can grab keys */
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static struct termios oldtty;
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static int restore_tty;
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#endif
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static void term_exit_sigsafe(void)
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{
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#if HAVE_TERMIOS_H
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if(restore_tty)
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tcsetattr (0, TCSANOW, &oldtty);
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#endif
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}
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void term_exit(void)
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{
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av_log(NULL, AV_LOG_QUIET, "%s", "");
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term_exit_sigsafe();
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}
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static volatile int received_sigterm = 0;
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static volatile int received_nb_signals = 0;
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static atomic_int transcode_init_done = 0;
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static volatile int ffmpeg_exited = 0;
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static int64_t copy_ts_first_pts = AV_NOPTS_VALUE;
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static void
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sigterm_handler(int sig)
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{
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int ret;
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received_sigterm = sig;
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received_nb_signals++;
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term_exit_sigsafe();
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if(received_nb_signals > 3) {
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ret = write(2/*STDERR_FILENO*/, "Received > 3 system signals, hard exiting\n",
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strlen("Received > 3 system signals, hard exiting\n"));
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if (ret < 0) { /* Do nothing */ };
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exit(123);
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}
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}
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#if HAVE_SETCONSOLECTRLHANDLER
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static BOOL WINAPI CtrlHandler(DWORD fdwCtrlType)
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{
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av_log(NULL, AV_LOG_DEBUG, "\nReceived windows signal %ld\n", fdwCtrlType);
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switch (fdwCtrlType)
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{
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case CTRL_C_EVENT:
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case CTRL_BREAK_EVENT:
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sigterm_handler(SIGINT);
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return TRUE;
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case CTRL_CLOSE_EVENT:
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case CTRL_LOGOFF_EVENT:
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case CTRL_SHUTDOWN_EVENT:
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sigterm_handler(SIGTERM);
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/* Basically, with these 3 events, when we return from this method the
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process is hard terminated, so stall as long as we need to
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to try and let the main thread(s) clean up and gracefully terminate
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(we have at most 5 seconds, but should be done far before that). */
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while (!ffmpeg_exited) {
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Sleep(0);
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}
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return TRUE;
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default:
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av_log(NULL, AV_LOG_ERROR, "Received unknown windows signal %ld\n", fdwCtrlType);
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return FALSE;
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}
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}
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#endif
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#ifdef __linux__
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#define SIGNAL(sig, func) \
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do { \
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action.sa_handler = func; \
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sigaction(sig, &action, NULL); \
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} while (0)
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#else
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#define SIGNAL(sig, func) \
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signal(sig, func)
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#endif
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void term_init(void)
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{
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#if defined __linux__
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struct sigaction action = {0};
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action.sa_handler = sigterm_handler;
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/* block other interrupts while processing this one */
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sigfillset(&action.sa_mask);
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/* restart interruptible functions (i.e. don't fail with EINTR) */
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action.sa_flags = SA_RESTART;
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#endif
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#if HAVE_TERMIOS_H
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if (stdin_interaction) {
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struct termios tty;
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if (tcgetattr (0, &tty) == 0) {
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oldtty = tty;
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restore_tty = 1;
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tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
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|INLCR|IGNCR|ICRNL|IXON);
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tty.c_oflag |= OPOST;
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tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
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tty.c_cflag &= ~(CSIZE|PARENB);
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tty.c_cflag |= CS8;
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tty.c_cc[VMIN] = 1;
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tty.c_cc[VTIME] = 0;
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tcsetattr (0, TCSANOW, &tty);
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}
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SIGNAL(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
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}
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#endif
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SIGNAL(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
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SIGNAL(SIGTERM, sigterm_handler); /* Termination (ANSI). */
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#ifdef SIGXCPU
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SIGNAL(SIGXCPU, sigterm_handler);
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#endif
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#ifdef SIGPIPE
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signal(SIGPIPE, SIG_IGN); /* Broken pipe (POSIX). */
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#endif
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#if HAVE_SETCONSOLECTRLHANDLER
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SetConsoleCtrlHandler((PHANDLER_ROUTINE) CtrlHandler, TRUE);
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#endif
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}
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/* read a key without blocking */
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static int read_key(void)
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{
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unsigned char ch;
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#if HAVE_TERMIOS_H
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int n = 1;
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struct timeval tv;
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fd_set rfds;
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FD_ZERO(&rfds);
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FD_SET(0, &rfds);
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tv.tv_sec = 0;
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tv.tv_usec = 0;
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n = select(1, &rfds, NULL, NULL, &tv);
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if (n > 0) {
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n = read(0, &ch, 1);
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if (n == 1)
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return ch;
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return n;
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}
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#elif HAVE_KBHIT
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# if HAVE_PEEKNAMEDPIPE && HAVE_GETSTDHANDLE
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static int is_pipe;
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static HANDLE input_handle;
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DWORD dw, nchars;
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if(!input_handle){
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input_handle = GetStdHandle(STD_INPUT_HANDLE);
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is_pipe = !GetConsoleMode(input_handle, &dw);
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}
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if (is_pipe) {
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/* When running under a GUI, you will end here. */
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if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL)) {
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// input pipe may have been closed by the program that ran ffmpeg
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return -1;
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}
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//Read it
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if(nchars != 0) {
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read(0, &ch, 1);
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return ch;
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}else{
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return -1;
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}
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}
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# endif
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if(kbhit())
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return(getch());
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#endif
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return -1;
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}
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static int decode_interrupt_cb(void *ctx)
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{
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return received_nb_signals > atomic_load(&transcode_init_done);
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}
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const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
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static void ffmpeg_cleanup(int ret)
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{
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if (do_benchmark) {
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int maxrss = getmaxrss() / 1024;
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av_log(NULL, AV_LOG_INFO, "bench: maxrss=%iKiB\n", maxrss);
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}
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for (int i = 0; i < nb_filtergraphs; i++)
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fg_free(&filtergraphs[i]);
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av_freep(&filtergraphs);
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for (int i = 0; i < nb_output_files; i++)
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of_free(&output_files[i]);
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for (int i = 0; i < nb_input_files; i++)
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ifile_close(&input_files[i]);
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for (int i = 0; i < nb_decoders; i++)
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dec_free(&decoders[i]);
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av_freep(&decoders);
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if (vstats_file) {
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if (fclose(vstats_file))
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av_log(NULL, AV_LOG_ERROR,
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"Error closing vstats file, loss of information possible: %s\n",
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av_err2str(AVERROR(errno)));
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}
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av_freep(&vstats_filename);
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of_enc_stats_close();
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hw_device_free_all();
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av_freep(&filter_nbthreads);
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av_freep(&input_files);
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av_freep(&output_files);
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uninit_opts();
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avformat_network_deinit();
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if (received_sigterm) {
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av_log(NULL, AV_LOG_INFO, "Exiting normally, received signal %d.\n",
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(int) received_sigterm);
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} else if (ret && atomic_load(&transcode_init_done)) {
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av_log(NULL, AV_LOG_INFO, "Conversion failed!\n");
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}
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term_exit();
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ffmpeg_exited = 1;
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}
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OutputStream *ost_iter(OutputStream *prev)
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{
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int of_idx = prev ? prev->file->index : 0;
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int ost_idx = prev ? prev->index + 1 : 0;
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for (; of_idx < nb_output_files; of_idx++) {
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OutputFile *of = output_files[of_idx];
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if (ost_idx < of->nb_streams)
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return of->streams[ost_idx];
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ost_idx = 0;
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}
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return NULL;
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}
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InputStream *ist_iter(InputStream *prev)
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{
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int if_idx = prev ? prev->file->index : 0;
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int ist_idx = prev ? prev->index + 1 : 0;
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for (; if_idx < nb_input_files; if_idx++) {
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InputFile *f = input_files[if_idx];
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if (ist_idx < f->nb_streams)
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return f->streams[ist_idx];
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ist_idx = 0;
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}
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return NULL;
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}
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static void frame_data_free(void *opaque, uint8_t *data)
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{
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FrameData *fd = (FrameData *)data;
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avcodec_parameters_free(&fd->par_enc);
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av_free(data);
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}
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static int frame_data_ensure(AVBufferRef **dst, int writable)
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{
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AVBufferRef *src = *dst;
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if (!src || (writable && !av_buffer_is_writable(src))) {
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FrameData *fd;
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fd = av_mallocz(sizeof(*fd));
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if (!fd)
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return AVERROR(ENOMEM);
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*dst = av_buffer_create((uint8_t *)fd, sizeof(*fd),
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frame_data_free, NULL, 0);
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if (!*dst) {
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av_buffer_unref(&src);
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av_freep(&fd);
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return AVERROR(ENOMEM);
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}
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if (src) {
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const FrameData *fd_src = (const FrameData *)src->data;
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memcpy(fd, fd_src, sizeof(*fd));
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fd->par_enc = NULL;
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if (fd_src->par_enc) {
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int ret = 0;
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fd->par_enc = avcodec_parameters_alloc();
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ret = fd->par_enc ?
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avcodec_parameters_copy(fd->par_enc, fd_src->par_enc) :
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AVERROR(ENOMEM);
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if (ret < 0) {
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av_buffer_unref(dst);
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av_buffer_unref(&src);
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return ret;
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}
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}
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av_buffer_unref(&src);
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} else {
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fd->dec.frame_num = UINT64_MAX;
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fd->dec.pts = AV_NOPTS_VALUE;
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for (unsigned i = 0; i < FF_ARRAY_ELEMS(fd->wallclock); i++)
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fd->wallclock[i] = INT64_MIN;
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}
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}
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return 0;
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}
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FrameData *frame_data(AVFrame *frame)
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{
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int ret = frame_data_ensure(&frame->opaque_ref, 1);
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return ret < 0 ? NULL : (FrameData*)frame->opaque_ref->data;
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}
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const FrameData *frame_data_c(AVFrame *frame)
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{
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int ret = frame_data_ensure(&frame->opaque_ref, 0);
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return ret < 0 ? NULL : (const FrameData*)frame->opaque_ref->data;
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}
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FrameData *packet_data(AVPacket *pkt)
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{
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int ret = frame_data_ensure(&pkt->opaque_ref, 1);
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return ret < 0 ? NULL : (FrameData*)pkt->opaque_ref->data;
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}
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const FrameData *packet_data_c(AVPacket *pkt)
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{
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int ret = frame_data_ensure(&pkt->opaque_ref, 0);
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return ret < 0 ? NULL : (const FrameData*)pkt->opaque_ref->data;
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}
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void update_benchmark(const char *fmt, ...)
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{
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if (do_benchmark_all) {
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BenchmarkTimeStamps t = get_benchmark_time_stamps();
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va_list va;
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char buf[1024];
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if (fmt) {
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va_start(va, fmt);
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vsnprintf(buf, sizeof(buf), fmt, va);
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va_end(va);
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av_log(NULL, AV_LOG_INFO,
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"bench: %8" PRIu64 " user %8" PRIu64 " sys %8" PRIu64 " real %s \n",
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t.user_usec - current_time.user_usec,
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t.sys_usec - current_time.sys_usec,
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t.real_usec - current_time.real_usec, buf);
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}
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current_time = t;
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}
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}
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static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time, int64_t pts)
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{
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AVBPrint buf, buf_script;
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int64_t total_size = of_filesize(output_files[0]);
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int vid;
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double bitrate;
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double speed;
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static int64_t last_time = -1;
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static int first_report = 1;
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uint64_t nb_frames_dup = 0, nb_frames_drop = 0;
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int mins, secs, us;
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int64_t hours;
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const char *hours_sign;
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int ret;
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float t;
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if (!print_stats && !is_last_report && !progress_avio)
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return;
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if (!is_last_report) {
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if (last_time == -1) {
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last_time = cur_time;
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}
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if (((cur_time - last_time) < stats_period && !first_report) ||
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(first_report && atomic_load(&nb_output_dumped) < nb_output_files))
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return;
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last_time = cur_time;
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}
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t = (cur_time-timer_start) / 1000000.0;
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vid = 0;
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av_bprint_init(&buf, 0, AV_BPRINT_SIZE_AUTOMATIC);
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av_bprint_init(&buf_script, 0, AV_BPRINT_SIZE_AUTOMATIC);
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for (OutputStream *ost = ost_iter(NULL); ost; ost = ost_iter(ost)) {
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const float q = ost->enc ? atomic_load(&ost->quality) / (float) FF_QP2LAMBDA : -1;
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if (vid && ost->type == AVMEDIA_TYPE_VIDEO) {
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av_bprintf(&buf, "q=%2.1f ", q);
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av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
|
|
ost->file->index, ost->index, q);
|
|
}
|
|
if (!vid && ost->type == AVMEDIA_TYPE_VIDEO && ost->filter) {
|
|
float fps;
|
|
uint64_t frame_number = atomic_load(&ost->packets_written);
|
|
|
|
fps = t > 1 ? frame_number / t : 0;
|
|
av_bprintf(&buf, "frame=%5"PRId64" fps=%3.*f q=%3.1f ",
|
|
frame_number, fps < 9.95, fps, q);
|
|
av_bprintf(&buf_script, "frame=%"PRId64"\n", frame_number);
|
|
av_bprintf(&buf_script, "fps=%.2f\n", fps);
|
|
av_bprintf(&buf_script, "stream_%d_%d_q=%.1f\n",
|
|
ost->file->index, ost->index, q);
|
|
if (is_last_report)
|
|
av_bprintf(&buf, "L");
|
|
|
|
nb_frames_dup = atomic_load(&ost->filter->nb_frames_dup);
|
|
nb_frames_drop = atomic_load(&ost->filter->nb_frames_drop);
|
|
|
|
vid = 1;
|
|
}
|
|
}
|
|
|
|
if (copy_ts) {
|
|
if (copy_ts_first_pts == AV_NOPTS_VALUE && pts > 1)
|
|
copy_ts_first_pts = pts;
|
|
if (copy_ts_first_pts != AV_NOPTS_VALUE)
|
|
pts -= copy_ts_first_pts;
|
|
}
|
|
|
|
us = FFABS64U(pts) % AV_TIME_BASE;
|
|
secs = FFABS64U(pts) / AV_TIME_BASE % 60;
|
|
mins = FFABS64U(pts) / AV_TIME_BASE / 60 % 60;
|
|
hours = FFABS64U(pts) / AV_TIME_BASE / 3600;
|
|
hours_sign = (pts < 0) ? "-" : "";
|
|
|
|
bitrate = pts != AV_NOPTS_VALUE && pts && total_size >= 0 ? total_size * 8 / (pts / 1000.0) : -1;
|
|
speed = pts != AV_NOPTS_VALUE && t != 0.0 ? (double)pts / AV_TIME_BASE / t : -1;
|
|
|
|
if (total_size < 0) av_bprintf(&buf, "size=N/A time=");
|
|
else av_bprintf(&buf, "size=%8.0fKiB time=", total_size / 1024.0);
|
|
if (pts == AV_NOPTS_VALUE) {
|
|
av_bprintf(&buf, "N/A ");
|
|
} else {
|
|
av_bprintf(&buf, "%s%02"PRId64":%02d:%02d.%02d ",
|
|
hours_sign, hours, mins, secs, (100 * us) / AV_TIME_BASE);
|
|
}
|
|
|
|
if (bitrate < 0) {
|
|
av_bprintf(&buf, "bitrate=N/A");
|
|
av_bprintf(&buf_script, "bitrate=N/A\n");
|
|
}else{
|
|
av_bprintf(&buf, "bitrate=%6.1fkbits/s", bitrate);
|
|
av_bprintf(&buf_script, "bitrate=%6.1fkbits/s\n", bitrate);
|
|
}
|
|
|
|
if (total_size < 0) av_bprintf(&buf_script, "total_size=N/A\n");
|
|
else av_bprintf(&buf_script, "total_size=%"PRId64"\n", total_size);
|
|
if (pts == AV_NOPTS_VALUE) {
|
|
av_bprintf(&buf_script, "out_time_us=N/A\n");
|
|
av_bprintf(&buf_script, "out_time_ms=N/A\n");
|
|
av_bprintf(&buf_script, "out_time=N/A\n");
|
|
} else {
|
|
av_bprintf(&buf_script, "out_time_us=%"PRId64"\n", pts);
|
|
av_bprintf(&buf_script, "out_time_ms=%"PRId64"\n", pts);
|
|
av_bprintf(&buf_script, "out_time=%s%02"PRId64":%02d:%02d.%06d\n",
|
|
hours_sign, hours, mins, secs, us);
|
|
}
|
|
|
|
if (nb_frames_dup || nb_frames_drop)
|
|
av_bprintf(&buf, " dup=%"PRId64" drop=%"PRId64, nb_frames_dup, nb_frames_drop);
|
|
av_bprintf(&buf_script, "dup_frames=%"PRId64"\n", nb_frames_dup);
|
|
av_bprintf(&buf_script, "drop_frames=%"PRId64"\n", nb_frames_drop);
|
|
|
|
if (speed < 0) {
|
|
av_bprintf(&buf, " speed=N/A");
|
|
av_bprintf(&buf_script, "speed=N/A\n");
|
|
} else {
|
|
av_bprintf(&buf, " speed=%4.3gx", speed);
|
|
av_bprintf(&buf_script, "speed=%4.3gx\n", speed);
|
|
}
|
|
|
|
if (print_stats || is_last_report) {
|
|
const char end = is_last_report ? '\n' : '\r';
|
|
if (print_stats==1 && AV_LOG_INFO > av_log_get_level()) {
|
|
fprintf(stderr, "%s %c", buf.str, end);
|
|
} else
|
|
av_log(NULL, AV_LOG_INFO, "%s %c", buf.str, end);
|
|
|
|
fflush(stderr);
|
|
}
|
|
av_bprint_finalize(&buf, NULL);
|
|
|
|
if (progress_avio) {
|
|
av_bprintf(&buf_script, "progress=%s\n",
|
|
is_last_report ? "end" : "continue");
|
|
avio_write(progress_avio, buf_script.str,
|
|
FFMIN(buf_script.len, buf_script.size - 1));
|
|
avio_flush(progress_avio);
|
|
av_bprint_finalize(&buf_script, NULL);
|
|
if (is_last_report) {
|
|
if ((ret = avio_closep(&progress_avio)) < 0)
|
|
av_log(NULL, AV_LOG_ERROR,
|
|
"Error closing progress log, loss of information possible: %s\n", av_err2str(ret));
|
|
}
|
|
}
|
|
|
|
first_report = 0;
|
|
}
|
|
|
|
static void print_stream_maps(void)
|
|
{
|
|
av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
|
|
for (InputStream *ist = ist_iter(NULL); ist; ist = ist_iter(ist)) {
|
|
for (int j = 0; j < ist->nb_filters; j++) {
|
|
if (!filtergraph_is_simple(ist->filters[j]->graph)) {
|
|
av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
|
|
ist->file->index, ist->index, ist->dec ? ist->dec->name : "?",
|
|
ist->filters[j]->name);
|
|
if (nb_filtergraphs > 1)
|
|
av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
|
|
av_log(NULL, AV_LOG_INFO, "\n");
|
|
}
|
|
}
|
|
}
|
|
|
|
for (OutputStream *ost = ost_iter(NULL); ost; ost = ost_iter(ost)) {
|
|
if (ost->attachment_filename) {
|
|
/* an attached file */
|
|
av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
|
|
ost->attachment_filename, ost->file->index, ost->index);
|
|
continue;
|
|
}
|
|
|
|
if (ost->filter && !filtergraph_is_simple(ost->filter->graph)) {
|
|
/* output from a complex graph */
|
|
av_log(NULL, AV_LOG_INFO, " %s", ost->filter->name);
|
|
if (nb_filtergraphs > 1)
|
|
av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
|
|
|
|
av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file->index,
|
|
ost->index, ost->enc_ctx->codec->name);
|
|
continue;
|
|
}
|
|
|
|
av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
|
|
ost->ist->file->index,
|
|
ost->ist->index,
|
|
ost->file->index,
|
|
ost->index);
|
|
if (ost->enc_ctx) {
|
|
const AVCodec *in_codec = ost->ist->dec;
|
|
const AVCodec *out_codec = ost->enc_ctx->codec;
|
|
const char *decoder_name = "?";
|
|
const char *in_codec_name = "?";
|
|
const char *encoder_name = "?";
|
|
const char *out_codec_name = "?";
|
|
const AVCodecDescriptor *desc;
|
|
|
|
if (in_codec) {
|
|
decoder_name = in_codec->name;
|
|
desc = avcodec_descriptor_get(in_codec->id);
|
|
if (desc)
|
|
in_codec_name = desc->name;
|
|
if (!strcmp(decoder_name, in_codec_name))
|
|
decoder_name = "native";
|
|
}
|
|
|
|
if (out_codec) {
|
|
encoder_name = out_codec->name;
|
|
desc = avcodec_descriptor_get(out_codec->id);
|
|
if (desc)
|
|
out_codec_name = desc->name;
|
|
if (!strcmp(encoder_name, out_codec_name))
|
|
encoder_name = "native";
|
|
}
|
|
|
|
av_log(NULL, AV_LOG_INFO, " (%s (%s) -> %s (%s))",
|
|
in_codec_name, decoder_name,
|
|
out_codec_name, encoder_name);
|
|
} else
|
|
av_log(NULL, AV_LOG_INFO, " (copy)");
|
|
av_log(NULL, AV_LOG_INFO, "\n");
|
|
}
|
|
}
|
|
|
|
static void set_tty_echo(int on)
|
|
{
|
|
#if HAVE_TERMIOS_H
|
|
struct termios tty;
|
|
if (tcgetattr(0, &tty) == 0) {
|
|
if (on) tty.c_lflag |= ECHO;
|
|
else tty.c_lflag &= ~ECHO;
|
|
tcsetattr(0, TCSANOW, &tty);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static int check_keyboard_interaction(int64_t cur_time)
|
|
{
|
|
int i, key;
|
|
static int64_t last_time;
|
|
if (received_nb_signals)
|
|
return AVERROR_EXIT;
|
|
/* read_key() returns 0 on EOF */
|
|
if (cur_time - last_time >= 100000) {
|
|
key = read_key();
|
|
last_time = cur_time;
|
|
}else
|
|
key = -1;
|
|
if (key == 'q') {
|
|
av_log(NULL, AV_LOG_INFO, "\n\n[q] command received. Exiting.\n\n");
|
|
return AVERROR_EXIT;
|
|
}
|
|
if (key == '+') av_log_set_level(av_log_get_level()+10);
|
|
if (key == '-') av_log_set_level(av_log_get_level()-10);
|
|
if (key == 'c' || key == 'C'){
|
|
char buf[4096], target[64], command[256], arg[256] = {0};
|
|
double time;
|
|
int k, n = 0;
|
|
fprintf(stderr, "\nEnter command: <target>|all <time>|-1 <command>[ <argument>]\n");
|
|
i = 0;
|
|
set_tty_echo(1);
|
|
while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
|
|
if (k > 0)
|
|
buf[i++] = k;
|
|
buf[i] = 0;
|
|
set_tty_echo(0);
|
|
fprintf(stderr, "\n");
|
|
if (k > 0 &&
|
|
(n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
|
|
av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
|
|
target, time, command, arg);
|
|
for (OutputStream *ost = ost_iter(NULL); ost; ost = ost_iter(ost)) {
|
|
if (ost->fg_simple)
|
|
fg_send_command(ost->fg_simple, time, target, command, arg,
|
|
key == 'C');
|
|
}
|
|
for (i = 0; i < nb_filtergraphs; i++)
|
|
fg_send_command(filtergraphs[i], time, target, command, arg,
|
|
key == 'C');
|
|
} else {
|
|
av_log(NULL, AV_LOG_ERROR,
|
|
"Parse error, at least 3 arguments were expected, "
|
|
"only %d given in string '%s'\n", n, buf);
|
|
}
|
|
}
|
|
if (key == '?'){
|
|
fprintf(stderr, "key function\n"
|
|
"? show this help\n"
|
|
"+ increase verbosity\n"
|
|
"- decrease verbosity\n"
|
|
"c Send command to first matching filter supporting it\n"
|
|
"C Send/Queue command to all matching filters\n"
|
|
"h dump packets/hex press to cycle through the 3 states\n"
|
|
"q quit\n"
|
|
"s Show QP histogram\n"
|
|
);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* The following code is the main loop of the file converter
|
|
*/
|
|
static int transcode(Scheduler *sch)
|
|
{
|
|
int ret = 0;
|
|
int64_t timer_start, transcode_ts = 0;
|
|
|
|
print_stream_maps();
|
|
|
|
atomic_store(&transcode_init_done, 1);
|
|
|
|
ret = sch_start(sch);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
if (stdin_interaction) {
|
|
av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
|
|
}
|
|
|
|
timer_start = av_gettime_relative();
|
|
|
|
while (!sch_wait(sch, stats_period, &transcode_ts)) {
|
|
int64_t cur_time= av_gettime_relative();
|
|
|
|
/* if 'q' pressed, exits */
|
|
if (stdin_interaction)
|
|
if (check_keyboard_interaction(cur_time) < 0)
|
|
break;
|
|
|
|
/* dump report by using the output first video and audio streams */
|
|
print_report(0, timer_start, cur_time, transcode_ts);
|
|
}
|
|
|
|
ret = sch_stop(sch, &transcode_ts);
|
|
|
|
/* write the trailer if needed */
|
|
for (int i = 0; i < nb_output_files; i++) {
|
|
int err = of_write_trailer(output_files[i]);
|
|
ret = err_merge(ret, err);
|
|
}
|
|
|
|
term_exit();
|
|
|
|
/* dump report by using the first video and audio streams */
|
|
print_report(1, timer_start, av_gettime_relative(), transcode_ts);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static BenchmarkTimeStamps get_benchmark_time_stamps(void)
|
|
{
|
|
BenchmarkTimeStamps time_stamps = { av_gettime_relative() };
|
|
#if HAVE_GETRUSAGE
|
|
struct rusage rusage;
|
|
|
|
getrusage(RUSAGE_SELF, &rusage);
|
|
time_stamps.user_usec =
|
|
(rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
|
|
time_stamps.sys_usec =
|
|
(rusage.ru_stime.tv_sec * 1000000LL) + rusage.ru_stime.tv_usec;
|
|
#elif HAVE_GETPROCESSTIMES
|
|
HANDLE proc;
|
|
FILETIME c, e, k, u;
|
|
proc = GetCurrentProcess();
|
|
GetProcessTimes(proc, &c, &e, &k, &u);
|
|
time_stamps.user_usec =
|
|
((int64_t)u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
|
|
time_stamps.sys_usec =
|
|
((int64_t)k.dwHighDateTime << 32 | k.dwLowDateTime) / 10;
|
|
#else
|
|
time_stamps.user_usec = time_stamps.sys_usec = 0;
|
|
#endif
|
|
return time_stamps;
|
|
}
|
|
|
|
static int64_t getmaxrss(void)
|
|
{
|
|
#if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
|
|
struct rusage rusage;
|
|
getrusage(RUSAGE_SELF, &rusage);
|
|
return (int64_t)rusage.ru_maxrss * 1024;
|
|
#elif HAVE_GETPROCESSMEMORYINFO
|
|
HANDLE proc;
|
|
PROCESS_MEMORY_COUNTERS memcounters;
|
|
proc = GetCurrentProcess();
|
|
memcounters.cb = sizeof(memcounters);
|
|
GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
|
|
return memcounters.PeakPagefileUsage;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
Scheduler *sch = NULL;
|
|
|
|
int ret;
|
|
BenchmarkTimeStamps ti;
|
|
|
|
init_dynload();
|
|
|
|
setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */
|
|
|
|
av_log_set_flags(AV_LOG_SKIP_REPEATED);
|
|
parse_loglevel(argc, argv, options);
|
|
|
|
#if CONFIG_AVDEVICE
|
|
avdevice_register_all();
|
|
#endif
|
|
avformat_network_init();
|
|
|
|
show_banner(argc, argv, options);
|
|
|
|
sch = sch_alloc();
|
|
if (!sch) {
|
|
ret = AVERROR(ENOMEM);
|
|
goto finish;
|
|
}
|
|
|
|
/* parse options and open all input/output files */
|
|
ret = ffmpeg_parse_options(argc, argv, sch);
|
|
if (ret < 0)
|
|
goto finish;
|
|
|
|
if (nb_output_files <= 0 && nb_input_files == 0) {
|
|
show_usage();
|
|
av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
|
|
ret = 1;
|
|
goto finish;
|
|
}
|
|
|
|
if (nb_output_files <= 0) {
|
|
av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
|
|
ret = 1;
|
|
goto finish;
|
|
}
|
|
|
|
current_time = ti = get_benchmark_time_stamps();
|
|
ret = transcode(sch);
|
|
if (ret >= 0 && do_benchmark) {
|
|
int64_t utime, stime, rtime;
|
|
current_time = get_benchmark_time_stamps();
|
|
utime = current_time.user_usec - ti.user_usec;
|
|
stime = current_time.sys_usec - ti.sys_usec;
|
|
rtime = current_time.real_usec - ti.real_usec;
|
|
av_log(NULL, AV_LOG_INFO,
|
|
"bench: utime=%0.3fs stime=%0.3fs rtime=%0.3fs\n",
|
|
utime / 1000000.0, stime / 1000000.0, rtime / 1000000.0);
|
|
}
|
|
|
|
ret = received_nb_signals ? 255 :
|
|
(ret == FFMPEG_ERROR_RATE_EXCEEDED) ? 69 : ret;
|
|
|
|
finish:
|
|
if (ret == AVERROR_EXIT)
|
|
ret = 0;
|
|
|
|
ffmpeg_cleanup(ret);
|
|
|
|
sch_free(&sch);
|
|
|
|
return ret;
|
|
}
|