mirror of https://git.ffmpeg.org/ffmpeg.git
2576 lines
81 KiB
C
2576 lines
81 KiB
C
/*
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* FFmpeg main
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* Copyright (c) 2000, 2001, 2002 Fabrice Bellard
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*
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* This library 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 of the License, or (at your option) any later version.
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*
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* This library 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 this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#define HAVE_AV_CONFIG_H
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#include "avformat.h"
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#ifndef CONFIG_WIN32
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#include <unistd.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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#include <sys/resource.h>
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#endif
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#ifdef __BEOS__
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/* for snooze() */
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#include <OS.h>
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#endif
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#include <time.h>
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#include <ctype.h>
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#define MAXINT64 INT64_C(0x7fffffffffffffff)
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typedef struct {
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const char *name;
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int flags;
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#define HAS_ARG 0x0001
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#define OPT_BOOL 0x0002
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#define OPT_EXPERT 0x0004
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#define OPT_STRING 0x0008
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union {
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void (*func_arg)();
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int *int_arg;
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char **str_arg;
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} u;
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const char *help;
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const char *argname;
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} OptionDef;
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/* select an input stream for an output stream */
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typedef struct AVStreamMap {
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int file_index;
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int stream_index;
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} AVStreamMap;
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extern const OptionDef options[];
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void show_help(void);
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#define MAX_FILES 20
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static AVFormatContext *input_files[MAX_FILES];
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static int nb_input_files = 0;
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static AVFormatContext *output_files[MAX_FILES];
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static int nb_output_files = 0;
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static AVStreamMap stream_maps[MAX_FILES];
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static int nb_stream_maps;
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static AVInputFormat *file_iformat;
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static AVOutputFormat *file_oformat;
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static int frame_width = 160;
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static int frame_height = 128;
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static int frame_topBand = 0;
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static int frame_bottomBand = 0;
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static int frame_leftBand = 0;
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static int frame_rightBand = 0;
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static int frame_rate = 25 * FRAME_RATE_BASE;
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static int video_bit_rate = 200*1000;
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static int video_bit_rate_tolerance = 4000*1000;
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static int video_qscale = 0;
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static int video_qmin = 2;
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static int video_qmax = 31;
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static int video_qdiff = 3;
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static float video_qblur = 0.5;
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static float video_qcomp = 0.5;
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#if 0 //experimental, (can be removed)
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static float video_rc_qsquish=1.0;
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static float video_rc_qmod_amp=0;
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static int video_rc_qmod_freq=0;
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#endif
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static char *video_rc_override_string=NULL;
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static char *video_rc_eq="tex^qComp";
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static int video_rc_buffer_size=0;
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static float video_rc_buffer_aggressivity=1.0;
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static int video_rc_max_rate=0;
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static int video_rc_min_rate=0;
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static float video_rc_initial_cplx=0;
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static float video_b_qfactor = 1.25;
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static float video_b_qoffset = 1.25;
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static float video_i_qfactor = -0.8;
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static float video_i_qoffset = 0.0;
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static int me_method = 0;
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static int video_disable = 0;
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static int video_codec_id = CODEC_ID_NONE;
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static int same_quality = 0;
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static int b_frames = 0;
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static int use_hq = 0;
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static int use_4mv = 0;
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static int do_deinterlace = 0;
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static int workaround_bugs = FF_BUG_AUTODETECT;
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static int error_resilience = 2;
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static int error_concealment = 3;
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static int dct_algo = 0;
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static int idct_algo = 0;
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static int use_part = 0;
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static int packet_size = 0;
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static int gop_size = 12;
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static int intra_only = 0;
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static int audio_sample_rate = 44100;
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static int audio_bit_rate = 64000;
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static int audio_disable = 0;
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static int audio_channels = 1;
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static int audio_codec_id = CODEC_ID_NONE;
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static INT64 recording_time = 0;
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static int file_overwrite = 0;
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static char *str_title = NULL;
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static char *str_author = NULL;
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static char *str_copyright = NULL;
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static char *str_comment = NULL;
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static int do_benchmark = 0;
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static int do_hex_dump = 0;
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static int do_play = 0;
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static int do_psnr = 0;
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static int do_vstats = 0;
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static int do_pass = 0;
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static char *pass_logfilename = NULL;
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static int audio_stream_copy = 0;
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static int video_stream_copy = 0;
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#define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
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#ifndef CONFIG_AUDIO_OSS
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const char *audio_device = "none";
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#endif
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#ifndef CONFIG_VIDEO4LINUX
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const char *v4l_device = "none";
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#endif
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typedef struct AVOutputStream {
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int file_index; /* file index */
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int index; /* stream index in the output file */
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int source_index; /* AVInputStream index */
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AVStream *st; /* stream in the output file */
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int encoding_needed; /* true if encoding needed for this stream */
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int frame_number;
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/* input pts and corresponding output pts
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for A/V sync */
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double sync_ipts;
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INT64 sync_opts;
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/* video only */
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AVPicture pict_tmp; /* temporary image for resizing */
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int video_resample;
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ImgReSampleContext *img_resample_ctx; /* for image resampling */
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/* audio only */
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int audio_resample;
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ReSampleContext *resample; /* for audio resampling */
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FifoBuffer fifo; /* for compression: one audio fifo per codec */
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FILE *logfile;
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} AVOutputStream;
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typedef struct AVInputStream {
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int file_index;
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int index;
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AVStream *st;
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int discard; /* true if stream data should be discarded */
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int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
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INT64 sample_index; /* current sample */
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int frame_decoded; /* true if a video or audio frame has been decoded */
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} AVInputStream;
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typedef struct AVInputFile {
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int eof_reached; /* true if eof reached */
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int ist_index; /* index of first stream in ist_table */
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int buffer_size; /* current total buffer size */
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int buffer_size_max; /* buffer size at which we consider we can stop
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buffering */
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int nb_streams; /* nb streams we are aware of */
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} AVInputFile;
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#ifndef CONFIG_WIN32
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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 void term_exit(void)
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{
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tcsetattr (0, TCSANOW, &oldtty);
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}
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static void term_init(void)
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{
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struct termios tty;
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tcgetattr (0, &tty);
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oldtty = tty;
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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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atexit(term_exit);
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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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struct timeval tv;
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int n;
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unsigned char ch;
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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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return -1;
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}
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#else
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/* no interactive support */
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static void term_exit(void)
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{
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}
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static void term_init(void)
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{
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}
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static int read_key(void)
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{
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return 0;
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}
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#endif
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int read_ffserver_streams(AVFormatContext *s, const char *filename)
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{
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int i, err;
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AVFormatContext *ic;
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err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
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if (err < 0)
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return err;
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/* copy stream format */
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s->nb_streams = ic->nb_streams;
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for(i=0;i<ic->nb_streams;i++) {
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AVStream *st;
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st = av_mallocz(sizeof(AVFormatContext));
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memcpy(st, ic->streams[i], sizeof(AVStream));
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s->streams[i] = st;
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}
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av_close_input_file(ic);
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return 0;
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}
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#define MAX_AUDIO_PACKET_SIZE 16384
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static void do_audio_out(AVFormatContext *s,
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AVOutputStream *ost,
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AVInputStream *ist,
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unsigned char *buf, int size)
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{
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UINT8 *buftmp;
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UINT8 audio_buf[2*MAX_AUDIO_PACKET_SIZE]; /* XXX: allocate it */
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UINT8 audio_out[MAX_AUDIO_PACKET_SIZE]; /* XXX: allocate it */
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int size_out, frame_bytes, ret;
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AVCodecContext *enc;
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enc = &ost->st->codec;
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if (ost->audio_resample) {
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buftmp = audio_buf;
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size_out = audio_resample(ost->resample,
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(short *)buftmp, (short *)buf,
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size / (ist->st->codec.channels * 2));
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size_out = size_out * enc->channels * 2;
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} else {
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buftmp = buf;
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size_out = size;
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}
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/* now encode as many frames as possible */
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if (enc->frame_size > 1) {
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/* output resampled raw samples */
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fifo_write(&ost->fifo, buftmp, size_out,
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&ost->fifo.wptr);
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frame_bytes = enc->frame_size * 2 * enc->channels;
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while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
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&ost->fifo.rptr) == 0) {
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ret = avcodec_encode_audio(enc, audio_out, sizeof(audio_out),
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(short *)audio_buf);
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av_write_frame(s, ost->index, audio_out, ret);
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}
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} else {
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/* output a pcm frame */
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/* XXX: change encoding codec API to avoid this ? */
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switch(enc->codec->id) {
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case CODEC_ID_PCM_S16LE:
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case CODEC_ID_PCM_S16BE:
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case CODEC_ID_PCM_U16LE:
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case CODEC_ID_PCM_U16BE:
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break;
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default:
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size_out = size_out >> 1;
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break;
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}
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ret = avcodec_encode_audio(enc, audio_out, size_out,
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(short *)buftmp);
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av_write_frame(s, ost->index, audio_out, ret);
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}
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}
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/* write a picture to a raw mux */
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static void write_picture(AVFormatContext *s, int index, AVPicture *picture,
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int pix_fmt, int w, int h)
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{
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UINT8 *buf, *src, *dest;
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int size, j, i;
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/* XXX: not efficient, should add test if we can take
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directly the AVPicture */
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switch(pix_fmt) {
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case PIX_FMT_YUV420P:
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size = avpicture_get_size(pix_fmt, w, h);
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buf = av_malloc(size);
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if (!buf)
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return;
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dest = buf;
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for(i=0;i<3;i++) {
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if (i == 1) {
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w >>= 1;
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h >>= 1;
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}
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src = picture->data[i];
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for(j=0;j<h;j++) {
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memcpy(dest, src, w);
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dest += w;
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src += picture->linesize[i];
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}
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}
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break;
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case PIX_FMT_YUV422P:
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size = (w * h) * 2;
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buf = av_malloc(size);
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if (!buf)
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return;
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dest = buf;
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for(i=0;i<3;i++) {
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if (i == 1) {
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w >>= 1;
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}
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src = picture->data[i];
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for(j=0;j<h;j++) {
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memcpy(dest, src, w);
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dest += w;
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src += picture->linesize[i];
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}
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}
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break;
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case PIX_FMT_YUV444P:
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size = (w * h) * 3;
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buf = av_malloc(size);
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if (!buf)
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return;
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dest = buf;
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for(i=0;i<3;i++) {
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src = picture->data[i];
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for(j=0;j<h;j++) {
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memcpy(dest, src, w);
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dest += w;
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src += picture->linesize[i];
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}
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}
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break;
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case PIX_FMT_YUV422:
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size = (w * h) * 2;
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buf = av_malloc(size);
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if (!buf)
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return;
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dest = buf;
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src = picture->data[0];
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for(j=0;j<h;j++) {
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memcpy(dest, src, w * 2);
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dest += w * 2;
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src += picture->linesize[0];
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}
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break;
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case PIX_FMT_RGB24:
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case PIX_FMT_BGR24:
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size = (w * h) * 3;
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buf = av_malloc(size);
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if (!buf)
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return;
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dest = buf;
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src = picture->data[0];
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for(j=0;j<h;j++) {
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memcpy(dest, src, w * 3);
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dest += w * 3;
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src += picture->linesize[0];
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}
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break;
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default:
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return;
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}
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av_write_frame(s, index, buf, size);
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av_free(buf);
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}
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/* we begin to correct av delay at this threshold */
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#define AV_DELAY_MAX 0.100
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static void do_video_out(AVFormatContext *s,
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AVOutputStream *ost,
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AVInputStream *ist,
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AVPicture *picture1,
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int *frame_size, AVOutputStream *audio_sync)
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{
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int nb_frames, i, ret;
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AVPicture *picture, *picture2, *pict;
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AVPicture picture_tmp1, picture_tmp2;
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static UINT8 *video_buffer;
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UINT8 *buf = NULL, *buf1 = NULL;
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AVCodecContext *enc, *dec;
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#define VIDEO_BUFFER_SIZE (1024*1024)
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enc = &ost->st->codec;
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dec = &ist->st->codec;
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/* by default, we output a single frame */
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nb_frames = 1;
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/* NOTE: the A/V sync is always done by considering the audio is
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the master clock. It is suffisant for transcoding or playing,
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but not for the general case */
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if (audio_sync) {
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/* compute the A-V delay and duplicate/remove frames if needed */
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double adelta, vdelta, apts, vpts, av_delay;
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if (audio_sync->sync_ipts != AV_NOPTS_VALUE &&
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ost->sync_ipts != AV_NOPTS_VALUE) {
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adelta = (double)(ost->st->pts.val - audio_sync->sync_opts) *
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s->pts_num / s->pts_den;
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apts = audio_sync->sync_ipts + adelta;
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vdelta = (double)(ost->st->pts.val - ost->sync_opts) *
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s->pts_num / s->pts_den;
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vpts = ost->sync_ipts + vdelta;
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av_delay = apts - vpts;
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// printf("delay=%f\n", av_delay);
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if (av_delay < -AV_DELAY_MAX)
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nb_frames = 2;
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else if (av_delay > AV_DELAY_MAX)
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nb_frames = 0;
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}
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}
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/* XXX: also handle frame rate conversion */
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if (nb_frames <= 0)
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return;
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|
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if (!video_buffer)
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video_buffer = av_malloc(VIDEO_BUFFER_SIZE);
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if (!video_buffer)
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return;
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|
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/* deinterlace : must be done before any resize */
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if (do_deinterlace) {
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int size;
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|
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/* create temporary picture */
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size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
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buf1 = av_malloc(size);
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if (!buf1)
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return;
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picture2 = &picture_tmp2;
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avpicture_fill(picture2, buf1, dec->pix_fmt, dec->width, dec->height);
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if (avpicture_deinterlace(picture2, picture1,
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dec->pix_fmt, dec->width, dec->height) < 0) {
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/* if error, do not deinterlace */
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av_free(buf1);
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buf1 = NULL;
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picture2 = picture1;
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}
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} else {
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picture2 = picture1;
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}
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|
|
/* convert pixel format if needed */
|
|
if (enc->pix_fmt != dec->pix_fmt) {
|
|
int size;
|
|
|
|
/* create temporary picture */
|
|
size = avpicture_get_size(enc->pix_fmt, dec->width, dec->height);
|
|
buf = av_malloc(size);
|
|
if (!buf)
|
|
return;
|
|
pict = &picture_tmp1;
|
|
avpicture_fill(pict, buf, enc->pix_fmt, dec->width, dec->height);
|
|
|
|
if (img_convert(pict, enc->pix_fmt,
|
|
picture2, dec->pix_fmt,
|
|
dec->width, dec->height) < 0) {
|
|
fprintf(stderr, "pixel format conversion not handled\n");
|
|
goto the_end;
|
|
}
|
|
} else {
|
|
pict = picture2;
|
|
}
|
|
|
|
/* XXX: resampling could be done before raw format convertion in
|
|
some cases to go faster */
|
|
/* XXX: only works for YUV420P */
|
|
if (ost->video_resample) {
|
|
picture = &ost->pict_tmp;
|
|
img_resample(ost->img_resample_ctx, picture, pict);
|
|
} else {
|
|
picture = pict;
|
|
}
|
|
/* duplicates frame if needed */
|
|
/* XXX: pb because no interleaving */
|
|
for(i=0;i<nb_frames;i++) {
|
|
if (enc->codec_id != CODEC_ID_RAWVIDEO) {
|
|
/* handles sameq here. This is not correct because it may
|
|
not be a global option */
|
|
if (same_quality) {
|
|
enc->quality = dec->quality;
|
|
}
|
|
|
|
ret = avcodec_encode_video(enc,
|
|
video_buffer, VIDEO_BUFFER_SIZE,
|
|
picture);
|
|
//enc->frame_number = enc->real_pict_num;
|
|
av_write_frame(s, ost->index, video_buffer, ret);
|
|
*frame_size = ret;
|
|
//fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
|
|
// enc->frame_number-1, enc->real_pict_num, ret,
|
|
// enc->pict_type);
|
|
/* if two pass, output log */
|
|
if (ost->logfile && enc->stats_out) {
|
|
fprintf(ost->logfile, "%s", enc->stats_out);
|
|
}
|
|
} else {
|
|
if (s->oformat->flags & AVFMT_RAWPICTURE) {
|
|
/* raw pictures are written as AVPicture structure to
|
|
avoid any copies. We support temorarily the older
|
|
method. */
|
|
av_write_frame(s, ost->index,
|
|
(UINT8 *)picture, sizeof(AVPicture));
|
|
} else {
|
|
write_picture(s, ost->index, picture, enc->pix_fmt,
|
|
enc->width, enc->height);
|
|
}
|
|
}
|
|
ost->frame_number++;
|
|
}
|
|
the_end:
|
|
av_free(buf);
|
|
av_free(buf1);
|
|
}
|
|
|
|
static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
|
|
int frame_size)
|
|
{
|
|
static FILE *fvstats=NULL;
|
|
static INT64 total_size = 0;
|
|
char filename[40];
|
|
time_t today2;
|
|
struct tm *today;
|
|
AVCodecContext *enc;
|
|
int frame_number;
|
|
INT64 ti;
|
|
double ti1, bitrate, avg_bitrate;
|
|
|
|
if (!fvstats) {
|
|
today2 = time(NULL);
|
|
today = localtime(&today2);
|
|
sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
|
|
today->tm_min,
|
|
today->tm_sec);
|
|
fvstats = fopen(filename,"w");
|
|
if (!fvstats) {
|
|
perror("fopen");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
ti = MAXINT64;
|
|
enc = &ost->st->codec;
|
|
total_size += frame_size;
|
|
if (enc->codec_type == CODEC_TYPE_VIDEO) {
|
|
frame_number = ost->frame_number;
|
|
fprintf(fvstats, "frame= %5d q= %2d ", frame_number, enc->quality);
|
|
if (do_psnr)
|
|
fprintf(fvstats, "PSNR= %6.2f ", enc->psnr_y);
|
|
|
|
fprintf(fvstats,"f_size= %6d ", frame_size);
|
|
/* compute pts value */
|
|
ti1 = (double)ost->st->pts.val * os->pts_num / os->pts_den;
|
|
if (ti1 < 0.01)
|
|
ti1 = 0.01;
|
|
|
|
bitrate = (double)(frame_size * 8) * enc->frame_rate / FRAME_RATE_BASE / 1000.0;
|
|
avg_bitrate = (double)(total_size * 8) / ti1 / 1000.0;
|
|
fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
|
|
(double)total_size / 1024, ti1, bitrate, avg_bitrate);
|
|
fprintf(fvstats,"type= %s\n", enc->key_frame == 1 ? "I" : "P");
|
|
}
|
|
}
|
|
|
|
void print_report(AVFormatContext **output_files,
|
|
AVOutputStream **ost_table, int nb_ostreams,
|
|
int is_last_report)
|
|
{
|
|
char buf[1024];
|
|
AVOutputStream *ost;
|
|
AVFormatContext *oc, *os;
|
|
INT64 total_size;
|
|
AVCodecContext *enc;
|
|
int frame_number, vid, i;
|
|
double bitrate, ti1, pts;
|
|
static INT64 last_time = -1;
|
|
|
|
if (!is_last_report) {
|
|
INT64 cur_time;
|
|
/* display the report every 0.5 seconds */
|
|
cur_time = av_gettime();
|
|
if (last_time == -1) {
|
|
last_time = cur_time;
|
|
return;
|
|
}
|
|
if ((cur_time - last_time) < 500000)
|
|
return;
|
|
last_time = cur_time;
|
|
}
|
|
|
|
|
|
oc = output_files[0];
|
|
|
|
total_size = url_ftell(&oc->pb);
|
|
|
|
buf[0] = '\0';
|
|
ti1 = 1e10;
|
|
vid = 0;
|
|
for(i=0;i<nb_ostreams;i++) {
|
|
ost = ost_table[i];
|
|
os = output_files[ost->file_index];
|
|
enc = &ost->st->codec;
|
|
if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
|
|
frame_number = ost->frame_number;
|
|
sprintf(buf + strlen(buf), "frame=%5d q=%2d ",
|
|
frame_number, enc->quality);
|
|
if (do_psnr)
|
|
sprintf(buf + strlen(buf), "PSNR=%6.2f ", enc->psnr_y);
|
|
vid = 1;
|
|
}
|
|
/* compute min output value */
|
|
pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
|
|
if (pts < ti1)
|
|
ti1 = pts;
|
|
}
|
|
if (ti1 < 0.01)
|
|
ti1 = 0.01;
|
|
bitrate = (double)(total_size * 8) / ti1 / 1000.0;
|
|
|
|
sprintf(buf + strlen(buf),
|
|
"size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
|
|
(double)total_size / 1024, ti1, bitrate);
|
|
|
|
fprintf(stderr, "%s ", buf);
|
|
|
|
if (is_last_report) {
|
|
fprintf(stderr, "\n");
|
|
} else {
|
|
fprintf(stderr, "\r");
|
|
fflush(stderr);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* The following code is the main loop of the file converter
|
|
*/
|
|
static int av_encode(AVFormatContext **output_files,
|
|
int nb_output_files,
|
|
AVFormatContext **input_files,
|
|
int nb_input_files,
|
|
AVStreamMap *stream_maps, int nb_stream_maps)
|
|
{
|
|
int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0, pts_set;
|
|
AVFormatContext *is, *os;
|
|
AVCodecContext *codec, *icodec;
|
|
AVOutputStream *ost, **ost_table = NULL;
|
|
AVInputStream *ist, **ist_table = NULL;
|
|
AVInputFile *file_table;
|
|
AVFormatContext *stream_no_data;
|
|
int key;
|
|
|
|
file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
|
|
if (!file_table)
|
|
goto fail;
|
|
|
|
/* input stream init */
|
|
j = 0;
|
|
for(i=0;i<nb_input_files;i++) {
|
|
is = input_files[i];
|
|
file_table[i].ist_index = j;
|
|
file_table[i].nb_streams = is->nb_streams;
|
|
j += is->nb_streams;
|
|
}
|
|
nb_istreams = j;
|
|
|
|
ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
|
|
if (!ist_table)
|
|
goto fail;
|
|
|
|
for(i=0;i<nb_istreams;i++) {
|
|
ist = av_mallocz(sizeof(AVInputStream));
|
|
if (!ist)
|
|
goto fail;
|
|
ist_table[i] = ist;
|
|
}
|
|
j = 0;
|
|
for(i=0;i<nb_input_files;i++) {
|
|
is = input_files[i];
|
|
for(k=0;k<is->nb_streams;k++) {
|
|
ist = ist_table[j++];
|
|
ist->st = is->streams[k];
|
|
ist->file_index = i;
|
|
ist->index = k;
|
|
ist->discard = 1; /* the stream is discarded by default
|
|
(changed later) */
|
|
}
|
|
}
|
|
|
|
/* output stream init */
|
|
nb_ostreams = 0;
|
|
for(i=0;i<nb_output_files;i++) {
|
|
os = output_files[i];
|
|
nb_ostreams += os->nb_streams;
|
|
}
|
|
if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
|
|
fprintf(stderr, "Number of stream maps must match number of output streams\n");
|
|
exit(1);
|
|
}
|
|
|
|
ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
|
|
if (!ost_table)
|
|
goto fail;
|
|
for(i=0;i<nb_ostreams;i++) {
|
|
ost = av_mallocz(sizeof(AVOutputStream));
|
|
if (!ost)
|
|
goto fail;
|
|
ost_table[i] = ost;
|
|
}
|
|
|
|
n = 0;
|
|
for(k=0;k<nb_output_files;k++) {
|
|
os = output_files[k];
|
|
for(i=0;i<os->nb_streams;i++) {
|
|
int found;
|
|
ost = ost_table[n++];
|
|
ost->file_index = k;
|
|
ost->index = i;
|
|
ost->st = os->streams[i];
|
|
if (nb_stream_maps > 0) {
|
|
ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
|
|
stream_maps[n-1].stream_index;
|
|
} else {
|
|
/* get corresponding input stream index : we select the first one with the right type */
|
|
found = 0;
|
|
for(j=0;j<nb_istreams;j++) {
|
|
ist = ist_table[j];
|
|
if (ist->discard &&
|
|
ist->st->codec.codec_type == ost->st->codec.codec_type) {
|
|
ost->source_index = j;
|
|
found = 1;
|
|
}
|
|
}
|
|
|
|
if (!found) {
|
|
/* try again and reuse existing stream */
|
|
for(j=0;j<nb_istreams;j++) {
|
|
ist = ist_table[j];
|
|
if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
|
|
ost->source_index = j;
|
|
found = 1;
|
|
}
|
|
}
|
|
if (!found) {
|
|
fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
|
|
ost->file_index, ost->index);
|
|
exit(1);
|
|
}
|
|
}
|
|
}
|
|
ist = ist_table[ost->source_index];
|
|
ist->discard = 0;
|
|
}
|
|
}
|
|
|
|
/* for each output stream, we compute the right encoding parameters */
|
|
for(i=0;i<nb_ostreams;i++) {
|
|
ost = ost_table[i];
|
|
ist = ist_table[ost->source_index];
|
|
|
|
codec = &ost->st->codec;
|
|
icodec = &ist->st->codec;
|
|
|
|
if (ost->st->stream_copy) {
|
|
/* if stream_copy is selected, no need to decode or encode */
|
|
codec->codec_id = icodec->codec_id;
|
|
codec->codec_type = icodec->codec_type;
|
|
codec->codec_tag = icodec->codec_tag;
|
|
codec->bit_rate = icodec->bit_rate;
|
|
switch(codec->codec_type) {
|
|
case CODEC_TYPE_AUDIO:
|
|
codec->sample_rate = icodec->sample_rate;
|
|
codec->channels = icodec->channels;
|
|
break;
|
|
case CODEC_TYPE_VIDEO:
|
|
codec->frame_rate = icodec->frame_rate;
|
|
codec->width = icodec->width;
|
|
codec->height = icodec->height;
|
|
break;
|
|
default:
|
|
av_abort();
|
|
}
|
|
} else {
|
|
switch(codec->codec_type) {
|
|
case CODEC_TYPE_AUDIO:
|
|
if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
|
|
goto fail;
|
|
|
|
if (codec->channels == icodec->channels &&
|
|
codec->sample_rate == icodec->sample_rate) {
|
|
ost->audio_resample = 0;
|
|
} else {
|
|
if (codec->channels != icodec->channels &&
|
|
icodec->codec_id == CODEC_ID_AC3) {
|
|
/* Special case for 5:1 AC3 input */
|
|
/* and mono or stereo output */
|
|
/* Request specific number of channels */
|
|
icodec->channels = codec->channels;
|
|
if (codec->sample_rate == icodec->sample_rate)
|
|
ost->audio_resample = 0;
|
|
else {
|
|
ost->audio_resample = 1;
|
|
ost->resample = audio_resample_init(codec->channels, icodec->channels,
|
|
codec->sample_rate,
|
|
icodec->sample_rate);
|
|
}
|
|
/* Request specific number of channels */
|
|
icodec->channels = codec->channels;
|
|
} else {
|
|
ost->audio_resample = 1;
|
|
ost->resample = audio_resample_init(codec->channels, icodec->channels,
|
|
codec->sample_rate,
|
|
icodec->sample_rate);
|
|
}
|
|
}
|
|
ist->decoding_needed = 1;
|
|
ost->encoding_needed = 1;
|
|
break;
|
|
case CODEC_TYPE_VIDEO:
|
|
if (codec->width == icodec->width &&
|
|
codec->height == icodec->height) {
|
|
ost->video_resample = 0;
|
|
} else {
|
|
UINT8 *buf;
|
|
ost->video_resample = 1;
|
|
buf = av_malloc((codec->width * codec->height * 3) / 2);
|
|
if (!buf)
|
|
goto fail;
|
|
ost->pict_tmp.data[0] = buf;
|
|
ost->pict_tmp.data[1] = ost->pict_tmp.data[0] + (codec->width * codec->height);
|
|
ost->pict_tmp.data[2] = ost->pict_tmp.data[1] + (codec->width * codec->height) / 4;
|
|
ost->pict_tmp.linesize[0] = codec->width;
|
|
ost->pict_tmp.linesize[1] = codec->width / 2;
|
|
ost->pict_tmp.linesize[2] = codec->width / 2;
|
|
|
|
ost->img_resample_ctx = img_resample_full_init(
|
|
ost->st->codec.width, ost->st->codec.height,
|
|
ist->st->codec.width, ist->st->codec.height,
|
|
frame_topBand, frame_bottomBand,
|
|
frame_leftBand, frame_rightBand);
|
|
}
|
|
ost->encoding_needed = 1;
|
|
ist->decoding_needed = 1;
|
|
break;
|
|
default:
|
|
av_abort();
|
|
}
|
|
/* two pass mode */
|
|
if (ost->encoding_needed &&
|
|
(codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
|
|
char logfilename[1024];
|
|
FILE *f;
|
|
int size;
|
|
char *logbuffer;
|
|
|
|
snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
|
|
pass_logfilename ?
|
|
pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
|
|
if (codec->flags & CODEC_FLAG_PASS1) {
|
|
f = fopen(logfilename, "w");
|
|
if (!f) {
|
|
perror(logfilename);
|
|
exit(1);
|
|
}
|
|
ost->logfile = f;
|
|
} else {
|
|
/* read the log file */
|
|
f = fopen(logfilename, "r");
|
|
if (!f) {
|
|
perror(logfilename);
|
|
exit(1);
|
|
}
|
|
fseek(f, 0, SEEK_END);
|
|
size = ftell(f);
|
|
fseek(f, 0, SEEK_SET);
|
|
logbuffer = av_malloc(size + 1);
|
|
if (!logbuffer) {
|
|
fprintf(stderr, "Could not allocate log buffer\n");
|
|
exit(1);
|
|
}
|
|
fread(logbuffer, 1, size, f);
|
|
fclose(f);
|
|
logbuffer[size] = '\0';
|
|
codec->stats_in = logbuffer;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* dump the file output parameters - cannot be done before in case
|
|
of stream copy */
|
|
for(i=0;i<nb_output_files;i++) {
|
|
dump_format(output_files[i], i, output_files[i]->filename, 1);
|
|
}
|
|
|
|
/* dump the stream mapping */
|
|
fprintf(stderr, "Stream mapping:\n");
|
|
for(i=0;i<nb_ostreams;i++) {
|
|
ost = ost_table[i];
|
|
fprintf(stderr, " Stream #%d.%d -> #%d.%d\n",
|
|
ist_table[ost->source_index]->file_index,
|
|
ist_table[ost->source_index]->index,
|
|
ost->file_index,
|
|
ost->index);
|
|
}
|
|
|
|
/* open each encoder */
|
|
for(i=0;i<nb_ostreams;i++) {
|
|
ost = ost_table[i];
|
|
if (ost->encoding_needed) {
|
|
AVCodec *codec;
|
|
codec = avcodec_find_encoder(ost->st->codec.codec_id);
|
|
if (!codec) {
|
|
fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
|
|
ost->file_index, ost->index);
|
|
exit(1);
|
|
}
|
|
if (avcodec_open(&ost->st->codec, codec) < 0) {
|
|
fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
|
|
ost->file_index, ost->index);
|
|
exit(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* open each decoder */
|
|
for(i=0;i<nb_istreams;i++) {
|
|
ist = ist_table[i];
|
|
if (ist->decoding_needed) {
|
|
AVCodec *codec;
|
|
codec = avcodec_find_decoder(ist->st->codec.codec_id);
|
|
if (!codec) {
|
|
fprintf(stderr, "Unsupported codec for input stream #%d.%d\n",
|
|
ist->file_index, ist->index);
|
|
exit(1);
|
|
}
|
|
if (avcodec_open(&ist->st->codec, codec) < 0) {
|
|
fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
|
|
ist->file_index, ist->index);
|
|
exit(1);
|
|
}
|
|
//if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
|
|
// ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
|
|
ist->frame_decoded = 1;
|
|
}
|
|
}
|
|
|
|
/* init pts */
|
|
for(i=0;i<nb_istreams;i++) {
|
|
ist = ist_table[i];
|
|
}
|
|
|
|
/* compute buffer size max (should use a complete heuristic) */
|
|
for(i=0;i<nb_input_files;i++) {
|
|
file_table[i].buffer_size_max = 2048;
|
|
}
|
|
|
|
/* open files and write file headers */
|
|
for(i=0;i<nb_output_files;i++) {
|
|
os = output_files[i];
|
|
if (av_write_header(os) < 0) {
|
|
fprintf(stderr, "Could not write header for output file #%d (incorrect codec paramters ?)\n", i);
|
|
ret = -EINVAL;
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
#ifndef CONFIG_WIN32
|
|
if (!do_play) {
|
|
fprintf(stderr, "Press [q] to stop encoding\n");
|
|
} else {
|
|
fprintf(stderr, "Press [q] to stop playing\n");
|
|
}
|
|
#endif
|
|
term_init();
|
|
|
|
stream_no_data = 0;
|
|
key = -1;
|
|
|
|
for(;;) {
|
|
int file_index, ist_index;
|
|
AVPacket pkt;
|
|
UINT8 *ptr;
|
|
int len;
|
|
UINT8 *data_buf;
|
|
int data_size, got_picture;
|
|
AVPicture picture;
|
|
short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2];
|
|
double pts_min;
|
|
|
|
redo:
|
|
/* if 'q' pressed, exits */
|
|
if (key) {
|
|
/* read_key() returns 0 on EOF */
|
|
key = read_key();
|
|
if (key == 'q')
|
|
break;
|
|
}
|
|
|
|
/* select the stream that we must read now by looking at the
|
|
smallest output pts */
|
|
file_index = -1;
|
|
pts_min = 1e10;
|
|
for(i=0;i<nb_ostreams;i++) {
|
|
double pts;
|
|
ost = ost_table[i];
|
|
os = output_files[ost->file_index];
|
|
ist = ist_table[ost->source_index];
|
|
pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
|
|
if (!file_table[ist->file_index].eof_reached &&
|
|
pts < pts_min) {
|
|
pts_min = pts;
|
|
file_index = ist->file_index;
|
|
}
|
|
}
|
|
/* if none, if is finished */
|
|
if (file_index < 0) {
|
|
break;
|
|
}
|
|
|
|
/* finish if recording time exhausted */
|
|
if (recording_time > 0 && pts_min >= (recording_time / 1000000.0))
|
|
break;
|
|
|
|
/* read a packet from it and output it in the fifo */
|
|
is = input_files[file_index];
|
|
if (av_read_packet(is, &pkt) < 0) {
|
|
file_table[file_index].eof_reached = 1;
|
|
continue;
|
|
}
|
|
if (!pkt.size) {
|
|
stream_no_data = is;
|
|
} else {
|
|
stream_no_data = 0;
|
|
}
|
|
/* the following test is needed in case new streams appear
|
|
dynamically in stream : we ignore them */
|
|
if (pkt.stream_index >= file_table[file_index].nb_streams)
|
|
goto discard_packet;
|
|
ist_index = file_table[file_index].ist_index + pkt.stream_index;
|
|
ist = ist_table[ist_index];
|
|
if (ist->discard)
|
|
goto discard_packet;
|
|
|
|
if (do_hex_dump) {
|
|
printf("stream #%d, size=%d:\n", pkt.stream_index, pkt.size);
|
|
av_hex_dump(pkt.data, pkt.size);
|
|
}
|
|
|
|
// printf("read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
|
|
|
|
len = pkt.size;
|
|
ptr = pkt.data;
|
|
pts_set = 0;
|
|
while (len > 0) {
|
|
INT64 ipts;
|
|
|
|
ipts = AV_NOPTS_VALUE;
|
|
|
|
/* decode the packet if needed */
|
|
data_buf = NULL; /* fail safe */
|
|
data_size = 0;
|
|
if (ist->decoding_needed) {
|
|
/* NOTE1: we only take into account the PTS if a new
|
|
frame has begun (MPEG semantics) */
|
|
/* NOTE2: even if the fraction is not initialized,
|
|
av_frac_set can be used to set the integer part */
|
|
if (ist->frame_decoded &&
|
|
pkt.pts != AV_NOPTS_VALUE &&
|
|
!pts_set) {
|
|
ipts = pkt.pts;
|
|
ist->frame_decoded = 0;
|
|
pts_set = 1;
|
|
}
|
|
|
|
switch(ist->st->codec.codec_type) {
|
|
case CODEC_TYPE_AUDIO:
|
|
/* XXX: could avoid copy if PCM 16 bits with same
|
|
endianness as CPU */
|
|
ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
|
|
ptr, len);
|
|
if (ret < 0)
|
|
goto fail_decode;
|
|
/* Some bug in mpeg audio decoder gives */
|
|
/* data_size < 0, it seems they are overflows */
|
|
if (data_size <= 0) {
|
|
/* no audio frame */
|
|
ptr += ret;
|
|
len -= ret;
|
|
continue;
|
|
}
|
|
data_buf = (UINT8 *)samples;
|
|
break;
|
|
case CODEC_TYPE_VIDEO:
|
|
if (ist->st->codec.codec_id == CODEC_ID_RAWVIDEO) {
|
|
int size;
|
|
|
|
size = (ist->st->codec.width * ist->st->codec.height);
|
|
avpicture_fill(&picture, ptr,
|
|
ist->st->codec.pix_fmt,
|
|
ist->st->codec.width,
|
|
ist->st->codec.height);
|
|
ret = len;
|
|
} else {
|
|
data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
|
|
ret = avcodec_decode_video(&ist->st->codec,
|
|
&picture, &got_picture, ptr, len);
|
|
if (ret < 0) {
|
|
fail_decode:
|
|
fprintf(stderr, "Error while decoding stream #%d.%d\n",
|
|
ist->file_index, ist->index);
|
|
av_free_packet(&pkt);
|
|
goto redo;
|
|
}
|
|
if (!got_picture) {
|
|
/* no picture yet */
|
|
ptr += ret;
|
|
len -= ret;
|
|
continue;
|
|
}
|
|
|
|
}
|
|
break;
|
|
default:
|
|
goto fail_decode;
|
|
}
|
|
} else {
|
|
data_buf = ptr;
|
|
data_size = len;
|
|
ret = len;
|
|
}
|
|
ptr += ret;
|
|
len -= ret;
|
|
|
|
ist->frame_decoded = 1;
|
|
|
|
#if 0
|
|
/* mpeg PTS deordering : if it is a P or I frame, the PTS
|
|
is the one of the next displayed one */
|
|
/* XXX: add mpeg4 too ? */
|
|
if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
|
|
if (ist->st->codec.pict_type != B_TYPE) {
|
|
INT64 tmp;
|
|
tmp = ist->last_ip_pts;
|
|
ist->last_ip_pts = ist->frac_pts.val;
|
|
ist->frac_pts.val = tmp;
|
|
}
|
|
}
|
|
#endif
|
|
/* transcode raw format, encode packets and output them */
|
|
|
|
for(i=0;i<nb_ostreams;i++) {
|
|
int frame_size;
|
|
|
|
ost = ost_table[i];
|
|
if (ost->source_index == ist_index) {
|
|
os = output_files[ost->file_index];
|
|
|
|
if (ipts != AV_NOPTS_VALUE) {
|
|
#if 0
|
|
printf("%d: got pts=%f %f\n",
|
|
i, pkt.pts / 90000.0,
|
|
(ipts - ost->st->pts.val) / 90000.0);
|
|
#endif
|
|
/* set the input output pts pairs */
|
|
ost->sync_ipts = (double)ipts * is->pts_num /
|
|
is->pts_den;
|
|
/* XXX: take into account the various fifos,
|
|
in particular for audio */
|
|
ost->sync_opts = ost->st->pts.val;
|
|
}
|
|
|
|
if (ost->encoding_needed) {
|
|
switch(ost->st->codec.codec_type) {
|
|
case CODEC_TYPE_AUDIO:
|
|
do_audio_out(os, ost, ist, data_buf, data_size);
|
|
break;
|
|
case CODEC_TYPE_VIDEO:
|
|
/* find an audio stream for synchro */
|
|
{
|
|
int i;
|
|
AVOutputStream *audio_sync, *ost1;
|
|
audio_sync = NULL;
|
|
for(i=0;i<nb_ostreams;i++) {
|
|
ost1 = ost_table[i];
|
|
if (ost1->file_index == ost->file_index &&
|
|
ost1->st->codec.codec_type == CODEC_TYPE_AUDIO) {
|
|
audio_sync = ost1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
do_video_out(os, ost, ist, &picture, &frame_size, audio_sync);
|
|
if (do_vstats)
|
|
do_video_stats(os, ost, frame_size);
|
|
}
|
|
break;
|
|
default:
|
|
av_abort();
|
|
}
|
|
} else {
|
|
/* no reencoding needed : output the packet directly */
|
|
/* force the input stream PTS */
|
|
av_write_frame(os, ost->index, data_buf, data_size);
|
|
}
|
|
}
|
|
}
|
|
ipts = AV_NOPTS_VALUE;
|
|
}
|
|
discard_packet:
|
|
av_free_packet(&pkt);
|
|
|
|
/* dump report by using the output first video and audio streams */
|
|
print_report(output_files, ost_table, nb_ostreams, 0);
|
|
}
|
|
term_exit();
|
|
|
|
/* dump report by using the first video and audio streams */
|
|
print_report(output_files, ost_table, nb_ostreams, 1);
|
|
|
|
/* close each encoder */
|
|
for(i=0;i<nb_ostreams;i++) {
|
|
ost = ost_table[i];
|
|
if (ost->encoding_needed) {
|
|
av_freep(&ost->st->codec.stats_in);
|
|
avcodec_close(&ost->st->codec);
|
|
}
|
|
}
|
|
|
|
/* close each decoder */
|
|
for(i=0;i<nb_istreams;i++) {
|
|
ist = ist_table[i];
|
|
if (ist->decoding_needed) {
|
|
avcodec_close(&ist->st->codec);
|
|
}
|
|
}
|
|
|
|
|
|
/* write the trailer if needed and close file */
|
|
for(i=0;i<nb_output_files;i++) {
|
|
os = output_files[i];
|
|
av_write_trailer(os);
|
|
}
|
|
/* finished ! */
|
|
|
|
ret = 0;
|
|
fail1:
|
|
av_free(file_table);
|
|
|
|
if (ist_table) {
|
|
for(i=0;i<nb_istreams;i++) {
|
|
ist = ist_table[i];
|
|
av_free(ist);
|
|
}
|
|
av_free(ist_table);
|
|
}
|
|
if (ost_table) {
|
|
for(i=0;i<nb_ostreams;i++) {
|
|
ost = ost_table[i];
|
|
if (ost) {
|
|
if (ost->logfile) {
|
|
fclose(ost->logfile);
|
|
ost->logfile = NULL;
|
|
}
|
|
fifo_free(&ost->fifo); /* works even if fifo is not
|
|
initialized but set to zero */
|
|
av_free(ost->pict_tmp.data[0]);
|
|
if (ost->video_resample)
|
|
img_resample_close(ost->img_resample_ctx);
|
|
if (ost->audio_resample)
|
|
audio_resample_close(ost->resample);
|
|
av_free(ost);
|
|
}
|
|
}
|
|
av_free(ost_table);
|
|
}
|
|
return ret;
|
|
fail:
|
|
ret = -ENOMEM;
|
|
goto fail1;
|
|
}
|
|
|
|
#if 0
|
|
int file_read(const char *filename)
|
|
{
|
|
URLContext *h;
|
|
unsigned char buffer[1024];
|
|
int len, i;
|
|
|
|
if (url_open(&h, filename, O_RDONLY) < 0) {
|
|
printf("could not open '%s'\n", filename);
|
|
return -1;
|
|
}
|
|
for(;;) {
|
|
len = url_read(h, buffer, sizeof(buffer));
|
|
if (len <= 0)
|
|
break;
|
|
for(i=0;i<len;i++) putchar(buffer[i]);
|
|
}
|
|
url_close(h);
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
void show_licence(void)
|
|
{
|
|
printf(
|
|
"ffmpeg version " FFMPEG_VERSION "\n"
|
|
"Copyright (c) 2000, 2001, 2002 Fabrice Bellard\n"
|
|
"This library is free software; you can redistribute it and/or\n"
|
|
"modify it under the terms of the GNU Lesser General Public\n"
|
|
"License as published by the Free Software Foundation; either\n"
|
|
"version 2 of the License, or (at your option) any later version.\n"
|
|
"\n"
|
|
"This library is distributed in the hope that it will be useful,\n"
|
|
"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
|
|
"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
|
|
"Lesser General Public License for more details.\n"
|
|
"\n"
|
|
"You should have received a copy of the GNU Lesser General Public\n"
|
|
"License along with this library; if not, write to the Free Software\n"
|
|
"Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"
|
|
);
|
|
exit(1);
|
|
}
|
|
|
|
void opt_format(const char *arg)
|
|
{
|
|
file_iformat = av_find_input_format(arg);
|
|
file_oformat = guess_format(arg, NULL, NULL);
|
|
if (!file_iformat && !file_oformat) {
|
|
fprintf(stderr, "Unknown input or output format: %s\n", arg);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
void opt_video_bitrate(const char *arg)
|
|
{
|
|
video_bit_rate = atoi(arg) * 1000;
|
|
}
|
|
|
|
void opt_video_bitrate_tolerance(const char *arg)
|
|
{
|
|
video_bit_rate_tolerance = atoi(arg) * 1000;
|
|
}
|
|
|
|
void opt_video_bitrate_max(const char *arg)
|
|
{
|
|
video_rc_max_rate = atoi(arg) * 1000;
|
|
}
|
|
|
|
void opt_video_bitrate_min(const char *arg)
|
|
{
|
|
video_rc_min_rate = atoi(arg) * 1000;
|
|
}
|
|
|
|
void opt_video_buffer_size(const char *arg)
|
|
{
|
|
video_rc_buffer_size = atoi(arg) * 1000;
|
|
}
|
|
|
|
void opt_video_rc_eq(char *arg)
|
|
{
|
|
video_rc_eq = arg;
|
|
}
|
|
|
|
void opt_video_rc_override_string(char *arg)
|
|
{
|
|
video_rc_override_string = arg;
|
|
}
|
|
|
|
|
|
void opt_workaround_bugs(const char *arg)
|
|
{
|
|
workaround_bugs = atoi(arg);
|
|
}
|
|
|
|
void opt_dct_algo(const char *arg)
|
|
{
|
|
dct_algo = atoi(arg);
|
|
}
|
|
|
|
void opt_idct_algo(const char *arg)
|
|
{
|
|
idct_algo = atoi(arg);
|
|
}
|
|
|
|
|
|
void opt_error_resilience(const char *arg)
|
|
{
|
|
error_resilience = atoi(arg);
|
|
}
|
|
|
|
void opt_error_concealment(const char *arg)
|
|
{
|
|
error_concealment = atoi(arg);
|
|
}
|
|
|
|
|
|
void opt_frame_rate(const char *arg)
|
|
{
|
|
frame_rate = (int)(strtod(arg, 0) * FRAME_RATE_BASE);
|
|
}
|
|
|
|
|
|
void opt_frame_crop_top(const char *arg)
|
|
{
|
|
frame_topBand = atoi(arg);
|
|
if (frame_topBand < 0) {
|
|
fprintf(stderr, "Incorrect top crop size\n");
|
|
exit(1);
|
|
}
|
|
if ((frame_topBand % 2) != 0) {
|
|
fprintf(stderr, "Top crop size must be a multiple of 2\n");
|
|
exit(1);
|
|
}
|
|
if ((frame_topBand) >= frame_height){
|
|
fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
|
|
exit(1);
|
|
}
|
|
frame_height -= frame_topBand;
|
|
}
|
|
|
|
void opt_frame_crop_bottom(const char *arg)
|
|
{
|
|
frame_bottomBand = atoi(arg);
|
|
if (frame_bottomBand < 0) {
|
|
fprintf(stderr, "Incorrect bottom crop size\n");
|
|
exit(1);
|
|
}
|
|
if ((frame_bottomBand % 2) != 0) {
|
|
fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
|
|
exit(1);
|
|
}
|
|
if ((frame_bottomBand) >= frame_height){
|
|
fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
|
|
exit(1);
|
|
}
|
|
frame_height -= frame_bottomBand;
|
|
}
|
|
|
|
void opt_frame_crop_left(const char *arg)
|
|
{
|
|
frame_leftBand = atoi(arg);
|
|
if (frame_leftBand < 0) {
|
|
fprintf(stderr, "Incorrect left crop size\n");
|
|
exit(1);
|
|
}
|
|
if ((frame_leftBand % 2) != 0) {
|
|
fprintf(stderr, "Left crop size must be a multiple of 2\n");
|
|
exit(1);
|
|
}
|
|
if ((frame_leftBand) >= frame_width){
|
|
fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
|
|
exit(1);
|
|
}
|
|
frame_width -= frame_leftBand;
|
|
}
|
|
|
|
void opt_frame_crop_right(const char *arg)
|
|
{
|
|
frame_rightBand = atoi(arg);
|
|
if (frame_rightBand < 0) {
|
|
fprintf(stderr, "Incorrect right crop size\n");
|
|
exit(1);
|
|
}
|
|
if ((frame_rightBand % 2) != 0) {
|
|
fprintf(stderr, "Right crop size must be a multiple of 2\n");
|
|
exit(1);
|
|
}
|
|
if ((frame_rightBand) >= frame_width){
|
|
fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
|
|
exit(1);
|
|
}
|
|
frame_width -= frame_rightBand;
|
|
}
|
|
|
|
void opt_frame_size(const char *arg)
|
|
{
|
|
parse_image_size(&frame_width, &frame_height, arg);
|
|
if (frame_width <= 0 || frame_height <= 0) {
|
|
fprintf(stderr, "Incorrect frame size\n");
|
|
exit(1);
|
|
}
|
|
if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
|
|
fprintf(stderr, "Frame size must be a multiple of 2\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
void opt_gop_size(const char *arg)
|
|
{
|
|
gop_size = atoi(arg);
|
|
}
|
|
|
|
void opt_b_frames(const char *arg)
|
|
{
|
|
b_frames = atoi(arg);
|
|
if (b_frames > FF_MAX_B_FRAMES) {
|
|
fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
|
|
exit(1);
|
|
} else if (b_frames < 1) {
|
|
fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
void opt_qscale(const char *arg)
|
|
{
|
|
video_qscale = atoi(arg);
|
|
if (video_qscale < 0 ||
|
|
video_qscale > 31) {
|
|
fprintf(stderr, "qscale must be >= 1 and <= 31\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
void opt_qmin(const char *arg)
|
|
{
|
|
video_qmin = atoi(arg);
|
|
if (video_qmin < 0 ||
|
|
video_qmin > 31) {
|
|
fprintf(stderr, "qmin must be >= 1 and <= 31\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
void opt_qmax(const char *arg)
|
|
{
|
|
video_qmax = atoi(arg);
|
|
if (video_qmax < 0 ||
|
|
video_qmax > 31) {
|
|
fprintf(stderr, "qmax must be >= 1 and <= 31\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
void opt_qdiff(const char *arg)
|
|
{
|
|
video_qdiff = atoi(arg);
|
|
if (video_qdiff < 0 ||
|
|
video_qdiff > 31) {
|
|
fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
void opt_qblur(const char *arg)
|
|
{
|
|
video_qblur = atof(arg);
|
|
}
|
|
|
|
void opt_qcomp(const char *arg)
|
|
{
|
|
video_qcomp = atof(arg);
|
|
}
|
|
|
|
void opt_rc_initial_cplx(const char *arg)
|
|
{
|
|
video_rc_initial_cplx = atof(arg);
|
|
}
|
|
void opt_b_qfactor(const char *arg)
|
|
{
|
|
video_b_qfactor = atof(arg);
|
|
}
|
|
void opt_i_qfactor(const char *arg)
|
|
{
|
|
video_i_qfactor = atof(arg);
|
|
}
|
|
void opt_b_qoffset(const char *arg)
|
|
{
|
|
video_b_qoffset = atof(arg);
|
|
}
|
|
void opt_i_qoffset(const char *arg)
|
|
{
|
|
video_i_qoffset = atof(arg);
|
|
}
|
|
|
|
void opt_packet_size(const char *arg)
|
|
{
|
|
packet_size= atoi(arg);
|
|
}
|
|
|
|
void opt_audio_bitrate(const char *arg)
|
|
{
|
|
audio_bit_rate = atoi(arg) * 1000;
|
|
}
|
|
|
|
void opt_audio_rate(const char *arg)
|
|
{
|
|
audio_sample_rate = atoi(arg);
|
|
}
|
|
|
|
void opt_audio_channels(const char *arg)
|
|
{
|
|
audio_channels = atoi(arg);
|
|
}
|
|
|
|
void opt_video_device(const char *arg)
|
|
{
|
|
v4l_device = strdup(arg);
|
|
}
|
|
|
|
void opt_audio_device(const char *arg)
|
|
{
|
|
audio_device = strdup(arg);
|
|
}
|
|
|
|
void opt_audio_codec(const char *arg)
|
|
{
|
|
AVCodec *p;
|
|
|
|
if (!strcmp(arg, "copy")) {
|
|
audio_stream_copy = 1;
|
|
} else {
|
|
p = first_avcodec;
|
|
while (p) {
|
|
if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
|
|
break;
|
|
p = p->next;
|
|
}
|
|
if (p == NULL) {
|
|
fprintf(stderr, "Unknown audio codec '%s'\n", arg);
|
|
exit(1);
|
|
} else {
|
|
audio_codec_id = p->id;
|
|
}
|
|
}
|
|
}
|
|
|
|
const char *motion_str[] = {
|
|
"zero",
|
|
"full",
|
|
"log",
|
|
"phods",
|
|
"epzs",
|
|
"x1",
|
|
NULL,
|
|
};
|
|
|
|
void opt_motion_estimation(const char *arg)
|
|
{
|
|
const char **p;
|
|
p = motion_str;
|
|
for(;;) {
|
|
if (!*p) {
|
|
fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
|
|
exit(1);
|
|
}
|
|
if (!strcmp(*p, arg))
|
|
break;
|
|
p++;
|
|
}
|
|
me_method = (p - motion_str) + 1;
|
|
}
|
|
|
|
void opt_video_codec(const char *arg)
|
|
{
|
|
AVCodec *p;
|
|
|
|
if (!strcmp(arg, "copy")) {
|
|
video_stream_copy = 1;
|
|
} else {
|
|
p = first_avcodec;
|
|
while (p) {
|
|
if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
|
|
break;
|
|
p = p->next;
|
|
}
|
|
if (p == NULL) {
|
|
fprintf(stderr, "Unknown video codec '%s'\n", arg);
|
|
exit(1);
|
|
} else {
|
|
video_codec_id = p->id;
|
|
}
|
|
}
|
|
}
|
|
|
|
void opt_map(const char *arg)
|
|
{
|
|
AVStreamMap *m;
|
|
const char *p;
|
|
|
|
p = arg;
|
|
m = &stream_maps[nb_stream_maps++];
|
|
|
|
m->file_index = strtol(arg, (char **)&p, 0);
|
|
if (*p)
|
|
p++;
|
|
|
|
m->stream_index = strtol(p, (char **)&p, 0);
|
|
}
|
|
|
|
void opt_recording_time(const char *arg)
|
|
{
|
|
recording_time = parse_date(arg, 1);
|
|
}
|
|
|
|
void print_error(const char *filename, int err)
|
|
{
|
|
switch(err) {
|
|
case AVERROR_NUMEXPECTED:
|
|
fprintf(stderr, "%s: Incorrect image filename syntax.\n"
|
|
"Use '%%d' to specify the image number:\n"
|
|
" for img1.jpg, img2.jpg, ..., use 'img%%d.jpg';\n"
|
|
" for img001.jpg, img002.jpg, ..., use 'img%%03d.jpg'.\n",
|
|
filename);
|
|
break;
|
|
case AVERROR_INVALIDDATA:
|
|
fprintf(stderr, "%s: Error while parsing header\n", filename);
|
|
break;
|
|
case AVERROR_NOFMT:
|
|
fprintf(stderr, "%s: Unknown format\n", filename);
|
|
break;
|
|
default:
|
|
fprintf(stderr, "%s: Error while opening file\n", filename);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void opt_input_file(const char *filename)
|
|
{
|
|
AVFormatContext *ic;
|
|
AVFormatParameters params, *ap = ¶ms;
|
|
int err, i, ret, rfps;
|
|
|
|
/* get default parameters from command line */
|
|
memset(ap, 0, sizeof(*ap));
|
|
ap->sample_rate = audio_sample_rate;
|
|
ap->channels = audio_channels;
|
|
ap->frame_rate = frame_rate;
|
|
ap->width = frame_width;
|
|
ap->height = frame_height;
|
|
|
|
/* open the input file with generic libav function */
|
|
err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
|
|
if (err < 0) {
|
|
print_error(filename, err);
|
|
exit(1);
|
|
}
|
|
|
|
/* If not enough info to get the stream parameters, we decode the
|
|
first frames to get it. (used in mpeg case for example) */
|
|
ret = av_find_stream_info(ic);
|
|
if (ret < 0) {
|
|
fprintf(stderr, "%s: could not find codec parameters\n", filename);
|
|
exit(1);
|
|
}
|
|
|
|
/* update the current parameters so that they match the one of the input stream */
|
|
for(i=0;i<ic->nb_streams;i++) {
|
|
AVCodecContext *enc = &ic->streams[i]->codec;
|
|
switch(enc->codec_type) {
|
|
case CODEC_TYPE_AUDIO:
|
|
//fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
|
|
audio_channels = enc->channels;
|
|
audio_sample_rate = enc->sample_rate;
|
|
break;
|
|
case CODEC_TYPE_VIDEO:
|
|
frame_height = enc->height;
|
|
frame_width = enc->width;
|
|
rfps = ic->streams[i]->r_frame_rate;
|
|
enc->workaround_bugs = workaround_bugs;
|
|
enc->error_resilience = error_resilience;
|
|
enc->error_concealment = error_concealment;
|
|
enc->idct_algo= idct_algo;
|
|
if (enc->frame_rate != rfps) {
|
|
fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
|
|
i, (float)enc->frame_rate / FRAME_RATE_BASE,
|
|
(float)rfps / FRAME_RATE_BASE);
|
|
}
|
|
/* update the current frame rate to match the stream frame rate */
|
|
frame_rate = rfps;
|
|
break;
|
|
default:
|
|
av_abort();
|
|
}
|
|
}
|
|
|
|
input_files[nb_input_files] = ic;
|
|
/* dump the file content */
|
|
dump_format(ic, nb_input_files, filename, 0);
|
|
nb_input_files++;
|
|
file_iformat = NULL;
|
|
file_oformat = NULL;
|
|
}
|
|
|
|
void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
|
|
{
|
|
int has_video, has_audio, i, j;
|
|
AVFormatContext *ic;
|
|
|
|
has_video = 0;
|
|
has_audio = 0;
|
|
for(j=0;j<nb_input_files;j++) {
|
|
ic = input_files[j];
|
|
for(i=0;i<ic->nb_streams;i++) {
|
|
AVCodecContext *enc = &ic->streams[i]->codec;
|
|
switch(enc->codec_type) {
|
|
case CODEC_TYPE_AUDIO:
|
|
has_audio = 1;
|
|
break;
|
|
case CODEC_TYPE_VIDEO:
|
|
has_video = 1;
|
|
break;
|
|
default:
|
|
av_abort();
|
|
}
|
|
}
|
|
}
|
|
*has_video_ptr = has_video;
|
|
*has_audio_ptr = has_audio;
|
|
}
|
|
|
|
void opt_output_file(const char *filename)
|
|
{
|
|
AVStream *st;
|
|
AVFormatContext *oc;
|
|
int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
|
|
int codec_id;
|
|
|
|
if (!strcmp(filename, "-"))
|
|
filename = "pipe:";
|
|
|
|
oc = av_mallocz(sizeof(AVFormatContext));
|
|
|
|
if (!file_oformat) {
|
|
file_oformat = guess_format(NULL, filename, NULL);
|
|
if (!file_oformat) {
|
|
fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
|
|
filename);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
oc->oformat = file_oformat;
|
|
|
|
if (!strcmp(file_oformat->name, "ffm") &&
|
|
strstart(filename, "http:", NULL)) {
|
|
/* special case for files sent to ffserver: we get the stream
|
|
parameters from ffserver */
|
|
if (read_ffserver_streams(oc, filename) < 0) {
|
|
fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
|
|
exit(1);
|
|
}
|
|
} else {
|
|
use_video = file_oformat->video_codec != CODEC_ID_NONE;
|
|
use_audio = file_oformat->audio_codec != CODEC_ID_NONE;
|
|
|
|
/* disable if no corresponding type found and at least one
|
|
input file */
|
|
if (nb_input_files > 0) {
|
|
check_audio_video_inputs(&input_has_video, &input_has_audio);
|
|
if (!input_has_video)
|
|
use_video = 0;
|
|
if (!input_has_audio)
|
|
use_audio = 0;
|
|
}
|
|
|
|
/* manual disable */
|
|
if (audio_disable) {
|
|
use_audio = 0;
|
|
}
|
|
if (video_disable) {
|
|
use_video = 0;
|
|
}
|
|
|
|
nb_streams = 0;
|
|
if (use_video) {
|
|
AVCodecContext *video_enc;
|
|
|
|
st = av_mallocz(sizeof(AVStream));
|
|
if (!st) {
|
|
fprintf(stderr, "Could not alloc stream\n");
|
|
exit(1);
|
|
}
|
|
|
|
video_enc = &st->codec;
|
|
if (video_stream_copy) {
|
|
st->stream_copy = 1;
|
|
video_enc->codec_type = CODEC_TYPE_VIDEO;
|
|
} else {
|
|
char *p;
|
|
int i;
|
|
|
|
codec_id = file_oformat->video_codec;
|
|
if (video_codec_id != CODEC_ID_NONE)
|
|
codec_id = video_codec_id;
|
|
|
|
video_enc->codec_id = codec_id;
|
|
|
|
video_enc->bit_rate = video_bit_rate;
|
|
video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
|
|
video_enc->frame_rate = frame_rate;
|
|
|
|
video_enc->width = frame_width;
|
|
video_enc->height = frame_height;
|
|
|
|
if (!intra_only)
|
|
video_enc->gop_size = gop_size;
|
|
else
|
|
video_enc->gop_size = 0;
|
|
if (video_qscale || same_quality) {
|
|
video_enc->flags |= CODEC_FLAG_QSCALE;
|
|
video_enc->quality = video_qscale;
|
|
}
|
|
|
|
if (use_hq) {
|
|
video_enc->flags |= CODEC_FLAG_HQ;
|
|
}
|
|
|
|
if (use_4mv) {
|
|
video_enc->flags |= CODEC_FLAG_HQ;
|
|
video_enc->flags |= CODEC_FLAG_4MV;
|
|
}
|
|
|
|
if(use_part)
|
|
video_enc->flags |= CODEC_FLAG_PART;
|
|
|
|
|
|
if (b_frames) {
|
|
if (codec_id != CODEC_ID_MPEG4) {
|
|
fprintf(stderr, "\nB frames encoding only supported by MPEG-4.\n");
|
|
exit(1);
|
|
}
|
|
video_enc->max_b_frames = b_frames;
|
|
video_enc->b_frame_strategy = 0;
|
|
video_enc->b_quant_factor = 2.0;
|
|
}
|
|
|
|
video_enc->qmin = video_qmin;
|
|
video_enc->qmax = video_qmax;
|
|
video_enc->max_qdiff = video_qdiff;
|
|
video_enc->qblur = video_qblur;
|
|
video_enc->qcompress = video_qcomp;
|
|
video_enc->rc_eq = video_rc_eq;
|
|
|
|
p= video_rc_override_string;
|
|
for(i=0; p; i++){
|
|
int start, end, q;
|
|
int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
|
|
if(e!=3){
|
|
fprintf(stderr, "error parsing rc_override\n");
|
|
exit(1);
|
|
}
|
|
video_enc->rc_override=
|
|
realloc(video_enc->rc_override, sizeof(RcOverride)*(i+1));
|
|
video_enc->rc_override[i].start_frame= start;
|
|
video_enc->rc_override[i].end_frame = end;
|
|
if(q>0){
|
|
video_enc->rc_override[i].qscale= q;
|
|
video_enc->rc_override[i].quality_factor= 1.0;
|
|
}
|
|
else{
|
|
video_enc->rc_override[i].qscale= 0;
|
|
video_enc->rc_override[i].quality_factor= -q/100.0;
|
|
}
|
|
p= strchr(p, '/');
|
|
if(p) p++;
|
|
}
|
|
video_enc->rc_override_count=i;
|
|
|
|
video_enc->rc_max_rate = video_rc_max_rate;
|
|
video_enc->rc_min_rate = video_rc_min_rate;
|
|
video_enc->rc_buffer_size = video_rc_buffer_size;
|
|
video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
|
|
video_enc->rc_initial_cplx= video_rc_initial_cplx;
|
|
video_enc->i_quant_factor = video_i_qfactor;
|
|
video_enc->b_quant_factor = video_b_qfactor;
|
|
video_enc->i_quant_offset = video_i_qoffset;
|
|
video_enc->b_quant_offset = video_b_qoffset;
|
|
video_enc->dct_algo = dct_algo;
|
|
video_enc->idct_algo = idct_algo;
|
|
if(packet_size){
|
|
video_enc->rtp_mode= 1;
|
|
video_enc->rtp_payload_size= packet_size;
|
|
}
|
|
|
|
if (do_psnr)
|
|
video_enc->get_psnr = 1;
|
|
else
|
|
video_enc->get_psnr = 0;
|
|
|
|
video_enc->me_method = me_method;
|
|
|
|
/* two pass mode */
|
|
if (do_pass) {
|
|
if (do_pass == 1) {
|
|
video_enc->flags |= CODEC_FLAG_PASS1;
|
|
} else {
|
|
video_enc->flags |= CODEC_FLAG_PASS2;
|
|
}
|
|
}
|
|
|
|
/* XXX: need to find a way to set codec parameters */
|
|
if (oc->oformat->flags & AVFMT_RGB24) {
|
|
video_enc->pix_fmt = PIX_FMT_RGB24;
|
|
}
|
|
}
|
|
oc->streams[nb_streams] = st;
|
|
nb_streams++;
|
|
}
|
|
|
|
if (use_audio) {
|
|
AVCodecContext *audio_enc;
|
|
|
|
st = av_mallocz(sizeof(AVStream));
|
|
if (!st) {
|
|
fprintf(stderr, "Could not alloc stream\n");
|
|
exit(1);
|
|
}
|
|
|
|
audio_enc = &st->codec;
|
|
audio_enc->codec_type = CODEC_TYPE_AUDIO;
|
|
if (audio_stream_copy) {
|
|
st->stream_copy = 1;
|
|
} else {
|
|
codec_id = file_oformat->audio_codec;
|
|
if (audio_codec_id != CODEC_ID_NONE)
|
|
codec_id = audio_codec_id;
|
|
audio_enc->codec_id = codec_id;
|
|
|
|
audio_enc->bit_rate = audio_bit_rate;
|
|
audio_enc->sample_rate = audio_sample_rate;
|
|
/* For audio codecs other than AC3 we limit */
|
|
/* the number of coded channels to stereo */
|
|
if (audio_channels > 2 && codec_id != CODEC_ID_AC3) {
|
|
audio_enc->channels = 2;
|
|
} else
|
|
audio_enc->channels = audio_channels;
|
|
}
|
|
oc->streams[nb_streams] = st;
|
|
nb_streams++;
|
|
}
|
|
|
|
oc->nb_streams = nb_streams;
|
|
|
|
if (!nb_streams) {
|
|
fprintf(stderr, "No audio or video streams available\n");
|
|
exit(1);
|
|
}
|
|
|
|
if (str_title)
|
|
pstrcpy(oc->title, sizeof(oc->title), str_title);
|
|
if (str_author)
|
|
pstrcpy(oc->author, sizeof(oc->author), str_author);
|
|
if (str_copyright)
|
|
pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
|
|
if (str_comment)
|
|
pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
|
|
}
|
|
|
|
output_files[nb_output_files++] = oc;
|
|
|
|
strcpy(oc->filename, filename);
|
|
|
|
/* check filename in case of an image number is expected */
|
|
if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
|
|
if (filename_number_test(oc->filename) < 0) {
|
|
print_error(oc->filename, AVERROR_NUMEXPECTED);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
if (!(oc->oformat->flags & AVFMT_NOFILE)) {
|
|
/* test if it already exists to avoid loosing precious files */
|
|
if (!file_overwrite &&
|
|
(strchr(filename, ':') == NULL ||
|
|
strstart(filename, "file:", NULL))) {
|
|
if (url_exist(filename)) {
|
|
int c;
|
|
|
|
printf("File '%s' already exists. Overwrite ? [y/N] ", filename);
|
|
fflush(stdout);
|
|
c = getchar();
|
|
if (toupper(c) != 'Y') {
|
|
fprintf(stderr, "Not overwriting - exiting\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* open the file */
|
|
if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
|
|
fprintf(stderr, "Could not open '%s'\n", filename);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
/* reset some options */
|
|
file_oformat = NULL;
|
|
file_iformat = NULL;
|
|
audio_disable = 0;
|
|
video_disable = 0;
|
|
audio_codec_id = CODEC_ID_NONE;
|
|
video_codec_id = CODEC_ID_NONE;
|
|
audio_stream_copy = 0;
|
|
video_stream_copy = 0;
|
|
}
|
|
|
|
/* prepare dummy protocols for grab */
|
|
void prepare_grab(void)
|
|
{
|
|
int has_video, has_audio, i, j;
|
|
AVFormatContext *oc;
|
|
AVFormatContext *ic;
|
|
AVFormatParameters ap1, *ap = &ap1;
|
|
|
|
/* see if audio/video inputs are needed */
|
|
has_video = 0;
|
|
has_audio = 0;
|
|
memset(ap, 0, sizeof(*ap));
|
|
for(j=0;j<nb_output_files;j++) {
|
|
oc = output_files[j];
|
|
for(i=0;i<oc->nb_streams;i++) {
|
|
AVCodecContext *enc = &oc->streams[i]->codec;
|
|
switch(enc->codec_type) {
|
|
case CODEC_TYPE_AUDIO:
|
|
if (enc->sample_rate > ap->sample_rate)
|
|
ap->sample_rate = enc->sample_rate;
|
|
if (enc->channels > ap->channels)
|
|
ap->channels = enc->channels;
|
|
has_audio = 1;
|
|
break;
|
|
case CODEC_TYPE_VIDEO:
|
|
if (enc->width > ap->width)
|
|
ap->width = enc->width;
|
|
if (enc->height > ap->height)
|
|
ap->height = enc->height;
|
|
if (enc->frame_rate > ap->frame_rate)
|
|
ap->frame_rate = enc->frame_rate;
|
|
has_video = 1;
|
|
break;
|
|
default:
|
|
av_abort();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (has_video == 0 && has_audio == 0) {
|
|
fprintf(stderr, "Output file must have at least one audio or video stream\n");
|
|
exit(1);
|
|
}
|
|
|
|
if (has_video) {
|
|
AVInputFormat *fmt1;
|
|
fmt1 = av_find_input_format("video_grab_device");
|
|
if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
|
|
fprintf(stderr, "Could not find video grab device\n");
|
|
exit(1);
|
|
}
|
|
/* by now video grab has one stream */
|
|
ic->streams[0]->r_frame_rate = ap->frame_rate;
|
|
input_files[nb_input_files] = ic;
|
|
dump_format(ic, nb_input_files, v4l_device, 0);
|
|
nb_input_files++;
|
|
}
|
|
if (has_audio) {
|
|
AVInputFormat *fmt1;
|
|
fmt1 = av_find_input_format("audio_device");
|
|
if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
|
|
fprintf(stderr, "Could not find audio grab device\n");
|
|
exit(1);
|
|
}
|
|
input_files[nb_input_files] = ic;
|
|
dump_format(ic, nb_input_files, audio_device, 0);
|
|
nb_input_files++;
|
|
}
|
|
}
|
|
|
|
/* open the necessary output devices for playing */
|
|
void prepare_play(void)
|
|
{
|
|
file_iformat = NULL;
|
|
file_oformat = guess_format("audio_device", NULL, NULL);
|
|
if (!file_oformat) {
|
|
fprintf(stderr, "Could not find audio device\n");
|
|
exit(1);
|
|
}
|
|
|
|
opt_output_file(audio_device);
|
|
}
|
|
|
|
/* same option as mencoder */
|
|
void opt_pass(const char *pass_str)
|
|
{
|
|
int pass;
|
|
pass = atoi(pass_str);
|
|
if (pass != 1 && pass != 2) {
|
|
fprintf(stderr, "pass number can be only 1 or 2\n");
|
|
exit(1);
|
|
}
|
|
do_pass = pass;
|
|
}
|
|
|
|
#ifndef CONFIG_WIN32
|
|
INT64 getutime(void)
|
|
{
|
|
struct rusage rusage;
|
|
|
|
getrusage(RUSAGE_SELF, &rusage);
|
|
return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
|
|
}
|
|
#else
|
|
INT64 getutime(void)
|
|
{
|
|
return av_gettime();
|
|
}
|
|
#endif
|
|
|
|
extern int ffm_nopts;
|
|
|
|
void opt_bitexact(void)
|
|
{
|
|
avcodec_set_bit_exact();
|
|
/* disable generate of real time pts in ffm (need to be supressed anyway) */
|
|
ffm_nopts = 1;
|
|
}
|
|
|
|
void show_formats(void)
|
|
{
|
|
AVInputFormat *ifmt;
|
|
AVOutputFormat *ofmt;
|
|
URLProtocol *up;
|
|
AVCodec *p;
|
|
const char **pp;
|
|
|
|
printf("File formats:\n");
|
|
printf(" Encoding:");
|
|
for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
|
|
printf(" %s", ofmt->name);
|
|
}
|
|
printf("\n");
|
|
printf(" Decoding:");
|
|
for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
|
|
printf(" %s", ifmt->name);
|
|
}
|
|
printf("\n");
|
|
|
|
printf("Codecs:\n");
|
|
printf(" Encoders:");
|
|
for(p = first_avcodec; p != NULL; p = p->next) {
|
|
if (p->encode)
|
|
printf(" %s", p->name);
|
|
}
|
|
printf("\n");
|
|
|
|
printf(" Decoders:");
|
|
for(p = first_avcodec; p != NULL; p = p->next) {
|
|
if (p->decode)
|
|
printf(" %s", p->name);
|
|
}
|
|
printf("\n");
|
|
|
|
printf("Supported file protocols:");
|
|
for(up = first_protocol; up != NULL; up = up->next)
|
|
printf(" %s:", up->name);
|
|
printf("\n");
|
|
|
|
printf("Frame size abbreviations: sqcif qcif cif 4cif\n");
|
|
printf("Motion estimation methods:");
|
|
pp = motion_str;
|
|
while (*pp) {
|
|
printf(" %s", *pp);
|
|
if ((pp - motion_str + 1) == ME_ZERO)
|
|
printf("(fastest)");
|
|
else if ((pp - motion_str + 1) == ME_FULL)
|
|
printf("(slowest)");
|
|
else if ((pp - motion_str + 1) == ME_EPZS)
|
|
printf("(default)");
|
|
pp++;
|
|
}
|
|
printf("\n");
|
|
exit(1);
|
|
}
|
|
|
|
void show_help(void)
|
|
{
|
|
const char *prog;
|
|
const OptionDef *po;
|
|
int i, expert;
|
|
|
|
prog = do_play ? "ffplay" : "ffmpeg";
|
|
|
|
printf("%s version " FFMPEG_VERSION ", Copyright (c) 2000, 2001, 2002 Fabrice Bellard\n",
|
|
prog);
|
|
|
|
if (!do_play) {
|
|
printf("usage: ffmpeg [[options] -i input_file]... {[options] outfile}...\n"
|
|
"Hyper fast MPEG1/MPEG4/H263/RV and AC3/MPEG audio encoder\n");
|
|
} else {
|
|
printf("usage: ffplay [options] input_file...\n"
|
|
"Simple audio player\n");
|
|
}
|
|
|
|
printf("\n"
|
|
"Main options are:\n");
|
|
for(i=0;i<2;i++) {
|
|
if (i == 1)
|
|
printf("\nAdvanced options are:\n");
|
|
for(po = options; po->name != NULL; po++) {
|
|
char buf[64];
|
|
expert = (po->flags & OPT_EXPERT) != 0;
|
|
if (expert == i) {
|
|
strcpy(buf, po->name);
|
|
if (po->flags & HAS_ARG) {
|
|
strcat(buf, " ");
|
|
strcat(buf, po->argname);
|
|
}
|
|
printf("-%-17s %s\n", buf, po->help);
|
|
}
|
|
}
|
|
}
|
|
|
|
exit(1);
|
|
}
|
|
|
|
const OptionDef options[] = {
|
|
{ "L", 0, {(void*)show_licence}, "show license" },
|
|
{ "h", 0, {(void*)show_help}, "show help" },
|
|
{ "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
|
|
{ "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
|
|
{ "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
|
|
{ "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
|
|
{ "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream" },
|
|
{ "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
|
|
{ "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
|
|
{ "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
|
|
{ "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
|
|
{ "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
|
|
{ "pass", HAS_ARG, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
|
|
{ "passlogfile", HAS_ARG | OPT_STRING, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
|
|
/* video options */
|
|
{ "b", HAS_ARG, {(void*)opt_video_bitrate}, "set video bitrate (in kbit/s)", "bitrate" },
|
|
{ "r", HAS_ARG, {(void*)opt_frame_rate}, "set frame rate (in Hz)", "rate" },
|
|
{ "s", HAS_ARG, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
|
|
{ "croptop", HAS_ARG, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
|
|
{ "cropbottom", HAS_ARG, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
|
|
{ "cropleft", HAS_ARG, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
|
|
{ "cropright", HAS_ARG, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
|
|
{ "g", HAS_ARG | OPT_EXPERT, {(void*)opt_gop_size}, "set the group of picture size", "gop_size" },
|
|
{ "intra", OPT_BOOL | OPT_EXPERT, {(void*)&intra_only}, "use only intra frames"},
|
|
{ "vn", OPT_BOOL, {(void*)&video_disable}, "disable video" },
|
|
{ "qscale", HAS_ARG | OPT_EXPERT, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" },
|
|
{ "qmin", HAS_ARG | OPT_EXPERT, {(void*)opt_qmin}, "min video quantiser scale (VBR)", "q" },
|
|
{ "qmax", HAS_ARG | OPT_EXPERT, {(void*)opt_qmax}, "max video quantiser scale (VBR)", "q" },
|
|
{ "qdiff", HAS_ARG | OPT_EXPERT, {(void*)opt_qdiff}, "max difference between the quantiser scale (VBR)", "q" },
|
|
{ "qblur", HAS_ARG | OPT_EXPERT, {(void*)opt_qblur}, "video quantiser scale blur (VBR)", "blur" },
|
|
{ "qcomp", HAS_ARG | OPT_EXPERT, {(void*)opt_qcomp}, "video quantiser scale compression (VBR)", "compression" },
|
|
{ "rc_init_cplx", HAS_ARG | OPT_EXPERT, {(void*)opt_rc_initial_cplx}, "initial complexity for 1-pass encoding", "complexity" },
|
|
{ "b_qfactor", HAS_ARG | OPT_EXPERT, {(void*)opt_b_qfactor}, "qp factor between p and b frames", "factor" },
|
|
{ "i_qfactor", HAS_ARG | OPT_EXPERT, {(void*)opt_i_qfactor}, "qp factor between p and i frames", "factor" },
|
|
{ "b_qoffset", HAS_ARG | OPT_EXPERT, {(void*)opt_b_qoffset}, "qp offset between p and b frames", "offset" },
|
|
{ "i_qoffset", HAS_ARG | OPT_EXPERT, {(void*)opt_i_qoffset}, "qp offset between p and i frames", "offset" },
|
|
{ "rc_eq", HAS_ARG | OPT_EXPERT, {(void*)opt_video_rc_eq}, "", "equation" },
|
|
{ "rc_override", HAS_ARG | OPT_EXPERT, {(void*)opt_video_rc_override_string}, "Rate control override", "qualities for specific intervals" },
|
|
{ "bt", HAS_ARG, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
|
|
{ "maxrate", HAS_ARG, {(void*)opt_video_bitrate_max}, "set max video bitrate tolerance (in kbit/s)", "bitrate" },
|
|
{ "minrate", HAS_ARG, {(void*)opt_video_bitrate_min}, "set min video bitrate tolerance (in kbit/s)", "bitrate" },
|
|
{ "bufsize", HAS_ARG, {(void*)opt_video_buffer_size}, "set ratecontrol buffere size (in kbit)", "size" },
|
|
{ "vd", HAS_ARG | OPT_EXPERT, {(void*)opt_video_device}, "set video grab device", "device" },
|
|
{ "vcodec", HAS_ARG | OPT_EXPERT, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
|
|
{ "me", HAS_ARG | OPT_EXPERT, {(void*)opt_motion_estimation}, "set motion estimation method",
|
|
"method" },
|
|
{ "dct_algo", HAS_ARG | OPT_EXPERT, {(void*)opt_dct_algo}, "set dct algo", "algo" },
|
|
{ "idct_algo", HAS_ARG | OPT_EXPERT, {(void*)opt_idct_algo}, "set idct algo", "algo" },
|
|
{ "er", HAS_ARG | OPT_EXPERT, {(void*)opt_error_resilience}, "set error resilience", "" },
|
|
{ "ec", HAS_ARG | OPT_EXPERT, {(void*)opt_error_resilience}, "set error concealment", "" },
|
|
{ "bf", HAS_ARG | OPT_EXPERT, {(void*)opt_b_frames}, "use 'frames' B frames (only MPEG-4)", "frames" },
|
|
{ "hq", OPT_BOOL | OPT_EXPERT, {(void*)&use_hq}, "activate high quality settings" },
|
|
{ "4mv", OPT_BOOL | OPT_EXPERT, {(void*)&use_4mv}, "use four motion vector by macroblock (only MPEG-4)" },
|
|
{ "part", OPT_BOOL | OPT_EXPERT, {(void*)&use_part}, "use data partitioning (only MPEG-4)" },
|
|
{ "bug", HAS_ARG | OPT_EXPERT, {(void*)opt_workaround_bugs}, "workaround not auto detected encoder bugs", "param" },
|
|
{ "ps", HAS_ARG | OPT_EXPERT, {(void*)opt_packet_size}, "packet size", "size in bits" },
|
|
{ "sameq", OPT_BOOL, {(void*)&same_quality},
|
|
"use same video quality as source (implies VBR)" },
|
|
/* audio options */
|
|
{ "ab", HAS_ARG, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", },
|
|
{ "ar", HAS_ARG, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
|
|
{ "ac", HAS_ARG, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
|
|
{ "an", OPT_BOOL, {(void*)&audio_disable}, "disable audio" },
|
|
{ "ad", HAS_ARG | OPT_EXPERT, {(void*)opt_audio_device}, "set audio device", "device" },
|
|
{ "acodec", HAS_ARG | OPT_EXPERT, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
|
|
{ "deinterlace", OPT_BOOL | OPT_EXPERT, {(void*)&do_deinterlace},
|
|
"deinterlace pictures" },
|
|
{ "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
|
|
"add timings for benchmarking" },
|
|
{ "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
|
|
"dump each input packet" },
|
|
{ "psnr", OPT_BOOL | OPT_EXPERT, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
|
|
{ "vstats", OPT_BOOL | OPT_EXPERT, {(void*)&do_vstats}, "dump video coding statistics to file" },
|
|
{ "bitexact", OPT_EXPERT, {(void*)opt_bitexact}, "only use bit exact algorithms (for codec testing)" },
|
|
{ NULL, },
|
|
};
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
int optindex, i;
|
|
const char *opt, *arg;
|
|
const OptionDef *po;
|
|
INT64 ti;
|
|
|
|
av_register_all();
|
|
|
|
/* detect if invoked as player */
|
|
i = strlen(argv[0]);
|
|
if (i >= 6 && !strcmp(argv[0] + i - 6, "ffplay"))
|
|
do_play = 1;
|
|
|
|
if (argc <= 1)
|
|
show_help();
|
|
|
|
/* parse options */
|
|
optindex = 1;
|
|
while (optindex < argc) {
|
|
opt = argv[optindex++];
|
|
|
|
if (opt[0] == '-' && opt[1] != '\0') {
|
|
po = options;
|
|
while (po->name != NULL) {
|
|
if (!strcmp(opt + 1, po->name))
|
|
break;
|
|
po++;
|
|
}
|
|
if (!po->name) {
|
|
fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], opt);
|
|
exit(1);
|
|
}
|
|
arg = NULL;
|
|
if (po->flags & HAS_ARG)
|
|
arg = argv[optindex++];
|
|
if (po->flags & OPT_STRING) {
|
|
char *str;
|
|
str = strdup(arg);
|
|
*po->u.str_arg = str;
|
|
} else if (po->flags & OPT_BOOL) {
|
|
*po->u.int_arg = 1;
|
|
} else {
|
|
po->u.func_arg(arg);
|
|
}
|
|
} else {
|
|
if (!do_play) {
|
|
opt_output_file(opt);
|
|
} else {
|
|
opt_input_file(opt);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
if (!do_play) {
|
|
/* file converter / grab */
|
|
if (nb_output_files <= 0) {
|
|
fprintf(stderr, "Must supply at least one output file\n");
|
|
exit(1);
|
|
}
|
|
|
|
if (nb_input_files == 0) {
|
|
prepare_grab();
|
|
}
|
|
} else {
|
|
/* player */
|
|
if (nb_input_files <= 0) {
|
|
fprintf(stderr, "Must supply at least one input file\n");
|
|
exit(1);
|
|
}
|
|
prepare_play();
|
|
}
|
|
|
|
ti = getutime();
|
|
av_encode(output_files, nb_output_files, input_files, nb_input_files,
|
|
stream_maps, nb_stream_maps);
|
|
ti = getutime() - ti;
|
|
if (do_benchmark) {
|
|
printf("bench: utime=%0.3fs\n", ti / 1000000.0);
|
|
}
|
|
|
|
/* close files */
|
|
for(i=0;i<nb_output_files;i++) {
|
|
if (!(output_files[i]->oformat->flags & AVFMT_NOFILE))
|
|
url_fclose(&output_files[i]->pb);
|
|
}
|
|
for(i=0;i<nb_input_files;i++)
|
|
av_close_input_file(input_files[i]);
|
|
|
|
return 0;
|
|
}
|