]> git.sesse.net Git - ffmpeg/blobdiff - ffmpeg.c
Merge remote-tracking branch 'qatar/master'
[ffmpeg] / ffmpeg.c
index 5d6fa1ea022a8ece625d3721ecf10b0e58a64c6b..5a1ab0f64dfadd9f64a04fa3d35febc6a1c929e6 100644 (file)
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -2,20 +2,20 @@
  * ffmpeg main
  * Copyright (c) 2000-2003 Fabrice Bellard
  *
- * This file is part of Libav.
+ * This file is part of FFmpeg.
  *
- * Libav is free software; you can redistribute it and/or
+ * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
- * Libav is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with Libav; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 #include "libavutil/libm.h"
 #include "libavformat/os_support.h"
 
+#include "libavformat/ffm.h" // not public API
+
 #if CONFIG_AVFILTER
+# include "libavfilter/avcodec.h"
 # include "libavfilter/avfilter.h"
 # include "libavfilter/avfiltergraph.h"
+# include "libavfilter/vsink_buffer.h"
 # include "libavfilter/vsrc_buffer.h"
 #endif
 
 #include <sys/select.h>
 #endif
 
+#if HAVE_TERMIOS_H
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/time.h>
+#include <termios.h>
+#elif HAVE_KBHIT
+#include <conio.h>
+#endif
 #include <time.h>
 
 #include "cmdutils.h"
@@ -103,15 +115,9 @@ static const OptionDef options[];
 
 #define MAX_FILES 100
 #define MAX_STREAMS 1024    /* arbitrary sanity check value */
-
-#define FFM_PACKET_SIZE 4096 //XXX a duplicate of the line in ffm.h
-
 static const char *last_asked_format = NULL;
-static int64_t input_files_ts_offset[MAX_FILES];
-static double *input_files_ts_scale[MAX_FILES] = {NULL};
-static AVCodec **input_codecs = NULL;
-static int nb_input_codecs = 0;
-static int nb_input_files_ts_scale[MAX_FILES] = {0};
+static double *ts_scale;
+static int  nb_ts_scale;
 
 static AVFormatContext *output_files[MAX_FILES];
 static AVDictionary *output_opts[MAX_FILES];
@@ -138,6 +144,7 @@ static int frame_width  = 0;
 static int frame_height = 0;
 static float frame_aspect_ratio = 0;
 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
+static int frame_bits_per_raw_sample = 0;
 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
 static AVRational frame_rate;
@@ -164,7 +171,6 @@ static char *vfilters = NULL;
 
 static int intra_only = 0;
 static int audio_sample_rate = 0;
-static int64_t channel_layout = 0;
 #define QSCALE_NONE -99999
 static float audio_qscale = QSCALE_NONE;
 static int audio_disable = 0;
@@ -187,7 +193,6 @@ static float mux_max_delay= 0.7;
 
 static int64_t recording_time = INT64_MAX;
 static int64_t start_time = 0;
-static int64_t recording_timestamp = 0;
 static int64_t input_ts_offset = 0;
 static int file_overwrite = 0;
 static AVDictionary *metadata;
@@ -196,7 +201,7 @@ static int do_hex_dump = 0;
 static int do_pkt_dump = 0;
 static int do_psnr = 0;
 static int do_pass = 0;
-static char *pass_logfilename_prefix = NULL;
+static const char *pass_logfilename_prefix;
 static int audio_stream_copy = 0;
 static int video_stream_copy = 0;
 static int subtitle_stream_copy = 0;
@@ -205,7 +210,7 @@ static int video_sync_method= -1;
 static int audio_sync_method= 0;
 static float audio_drift_threshold= 0.1;
 static int copy_ts= 0;
-static int copy_tb;
+static int copy_tb= 0;
 static int opt_shortest = 0;
 static char *vstats_filename;
 static FILE *vstats_file;
@@ -219,7 +224,9 @@ static int audio_volume = 256;
 static int exit_on_error = 0;
 static int using_stdin = 0;
 static int verbose = 1;
+static int run_as_daemon  = 0;
 static int thread_count= 1;
+static int q_pressed = 0;
 static int64_t video_size = 0;
 static int64_t audio_size = 0;
 static int64_t extra_size = 0;
@@ -265,7 +272,7 @@ typedef struct OutputStream {
 
     /* video only */
     int video_resample;
-    AVFrame pict_tmp;      /* temporary image for resampling */
+    AVFrame resample_frame;              /* temporary frame for image resampling */
     struct SwsContext *img_resample_ctx; /* for image resampling */
     int resample_height;
     int resample_width;
@@ -299,6 +306,7 @@ typedef struct OutputStream {
 #endif
 
    int sws_flags;
+   AVDictionary *opts;
 } OutputStream;
 
 static OutputStream **output_streams_for_file[MAX_FILES] = { NULL };
@@ -309,20 +317,17 @@ typedef struct InputStream {
     AVStream *st;
     int discard;             /* true if stream data should be discarded */
     int decoding_needed;     /* true if the packets must be decoded in 'raw_fifo' */
-    int64_t sample_index;      /* current sample */
+    AVCodec *dec;
 
     int64_t       start;     /* time when read started */
     int64_t       next_pts;  /* synthetic pts for cases where pkt.pts
                                 is not defined */
     int64_t       pts;       /* current pts */
-    PtsCorrectionContext pts_ctx;
+    double ts_scale;
     int is_start;            /* is 1 at the start and after a discontinuity */
     int showed_multi_packet_warning;
     int is_past_recording_time;
-#if CONFIG_AVFILTER
-    AVFrame *filter_frame;
-    int has_filter_frame;
-#endif
+    AVDictionary *opts;
 } InputStream;
 
 typedef struct InputFile {
@@ -330,8 +335,15 @@ typedef struct InputFile {
     int eof_reached;      /* true if eof reached */
     int ist_index;        /* index of first stream in ist_table */
     int buffer_size;      /* current total buffer size */
+    int64_t ts_offset;
 } InputFile;
 
+#if HAVE_TERMIOS_H
+
+/* init terminal so that we can grab keys */
+static struct termios oldtty;
+#endif
+
 static InputStream *input_streams = NULL;
 static int         nb_input_streams = 0;
 static InputFile   *input_files   = NULL;
@@ -345,7 +357,7 @@ static int configure_video_filters(InputStream *ist, OutputStream *ost)
     /** filter graph containing all filters including input & output */
     AVCodecContext *codec = ost->st->codec;
     AVCodecContext *icodec = ist->st->codec;
-    FFSinkContext ffsink_ctx = { .pix_fmt = codec->pix_fmt };
+    enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
     AVRational sample_aspect_ratio;
     char args[255];
     int ret;
@@ -365,8 +377,8 @@ static int configure_video_filters(InputStream *ist, OutputStream *ost)
                                        "src", args, NULL, ost->graph);
     if (ret < 0)
         return ret;
-    ret = avfilter_graph_create_filter(&ost->output_video_filter, &ffsink,
-                                       "out", NULL, &ffsink_ctx, ost->graph);
+    ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
+                                       "out", NULL, pix_fmts, ost->graph);
     if (ret < 0)
         return ret;
     last_filter = ost->input_video_filter;
@@ -388,8 +400,8 @@ static int configure_video_filters(InputStream *ist, OutputStream *ost)
     ost->graph->scale_sws_opts = av_strdup(args);
 
     if (ost->avfilter) {
-        AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
-        AVFilterInOut *inputs  = av_malloc(sizeof(AVFilterInOut));
+        AVFilterInOut *outputs = avfilter_inout_alloc();
+        AVFilterInOut *inputs  = avfilter_inout_alloc();
 
         outputs->name    = av_strdup("in");
         outputs->filter_ctx = last_filter;
@@ -401,7 +413,7 @@ static int configure_video_filters(InputStream *ist, OutputStream *ost)
         inputs->pad_idx = 0;
         inputs->next    = NULL;
 
-        if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
+        if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
             return ret;
         av_freep(&ost->avfilter);
     } else {
@@ -425,22 +437,47 @@ static int configure_video_filters(InputStream *ist, OutputStream *ost)
 
 static void term_exit(void)
 {
-    av_log(NULL, AV_LOG_QUIET, "");
+    av_log(NULL, AV_LOG_QUIET, "%s", "");
+#if HAVE_TERMIOS_H
+    if(!run_as_daemon)
+        tcsetattr (0, TCSANOW, &oldtty);
+#endif
 }
 
 static volatile int received_sigterm = 0;
-static volatile int received_nb_signals = 0;
 
 static void
 sigterm_handler(int sig)
 {
     received_sigterm = sig;
-    received_nb_signals++;
+    q_pressed++;
     term_exit();
 }
 
 static void term_init(void)
 {
+#if HAVE_TERMIOS_H
+    if(!run_as_daemon){
+    struct termios tty;
+
+    tcgetattr (0, &tty);
+    oldtty = tty;
+    atexit(term_exit);
+
+    tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
+                          |INLCR|IGNCR|ICRNL|IXON);
+    tty.c_oflag |= OPOST;
+    tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
+    tty.c_cflag &= ~(CSIZE|PARENB);
+    tty.c_cflag |= CS8;
+    tty.c_cc[VMIN] = 1;
+    tty.c_cc[VTIME] = 0;
+
+    tcsetattr (0, TCSANOW, &tty);
+    signal(SIGQUIT, sigterm_handler); /* Quit (POSIX).  */
+    }
+#endif
+
     signal(SIGINT , sigterm_handler); /* Interrupt (ANSI).  */
     signal(SIGTERM, sigterm_handler); /* Termination (ANSI).  */
 #ifdef SIGXCPU
@@ -448,9 +485,41 @@ static void term_init(void)
 #endif
 }
 
+/* read a key without blocking */
+static int read_key(void)
+{
+#if HAVE_TERMIOS_H
+    int n = 1;
+    unsigned char ch;
+    struct timeval tv;
+    fd_set rfds;
+
+    if(run_as_daemon)
+        return -1;
+
+    FD_ZERO(&rfds);
+    FD_SET(0, &rfds);
+    tv.tv_sec = 0;
+    tv.tv_usec = 0;
+    n = select(1, &rfds, NULL, NULL, &tv);
+    if (n > 0) {
+        n = read(0, &ch, 1);
+        if (n == 1)
+            return ch;
+
+        return n;
+    }
+#elif HAVE_KBHIT
+    if(kbhit())
+        return(getch());
+#endif
+    return -1;
+}
+
 static int decode_interrupt_cb(void)
 {
-    return received_nb_signals > 1;
+    q_pressed += read_key() == 'q';
+    return q_pressed > 1;
 }
 
 static int ffmpeg_exit(int ret)
@@ -468,8 +537,9 @@ static int ffmpeg_exit(int ret)
     }
     for(i=0;i<nb_input_files;i++) {
         av_close_input_file(input_files[i].ctx);
-        av_free(input_files_ts_scale[i]);
     }
+    for (i = 0; i < nb_input_streams; i++)
+        av_dict_free(&input_streams[i].opts);
 
     av_free(intra_matrix);
     av_free(inter_matrix);
@@ -479,7 +549,6 @@ static int ffmpeg_exit(int ret)
     av_free(vstats_filename);
 
     av_free(streamid_map);
-    av_free(input_codecs);
     av_free(stream_maps);
     av_free(meta_data_maps);
 
@@ -521,6 +590,23 @@ static void assert_avoptions(AVDictionary *m)
     }
 }
 
+static void assert_codec_experimental(AVCodecContext *c, int encoder)
+{
+    const char *codec_string = encoder ? "encoder" : "decoder";
+    AVCodec *codec;
+    if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
+        c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
+        av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
+                "results.\nAdd '-strict experimental' if you want to use it.\n",
+                codec_string, c->codec->name);
+        codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
+        if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
+            av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
+                   codec_string, codec->name);
+        ffmpeg_exit(1);
+    }
+}
+
 /* similar to ff_dynarray_add() and av_fast_realloc() */
 static void *grow_array(void *array, int elem_size, int *size, int new_size)
 {
@@ -550,6 +636,8 @@ static void choose_sample_fmt(AVStream *st, AVCodec *codec)
                 break;
         }
         if (*p == -1) {
+            if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
+                av_log(NULL, AV_LOG_ERROR, "Convertion will not be lossless'\n");
             av_log(NULL, AV_LOG_WARNING,
                    "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
                    av_get_sample_fmt_name(st->codec->sample_fmt),
@@ -560,46 +648,6 @@ static void choose_sample_fmt(AVStream *st, AVCodec *codec)
     }
 }
 
-/**
- * Update the requested input sample format based on the output sample format.
- * This is currently only used to request float output from decoders which
- * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
- * Ideally this will be removed in the future when decoders do not do format
- * conversion and only output in their native format.
- */
-static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
-                              AVCodecContext *enc)
-{
-    /* if sample formats match or a decoder sample format has already been
-       requested, just return */
-    if (enc->sample_fmt == dec->sample_fmt ||
-        dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
-        return;
-
-    /* if decoder supports more than one output format */
-    if (dec_codec && dec_codec->sample_fmts &&
-        dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
-        dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
-        const enum AVSampleFormat *p;
-        int min_dec = -1, min_inc = -1;
-
-        /* find a matching sample format in the encoder */
-        for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
-            if (*p == enc->sample_fmt) {
-                dec->request_sample_fmt = *p;
-                return;
-            } else if (*p > enc->sample_fmt) {
-                min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
-            } else
-                min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
-        }
-
-        /* if none match, provide the one that matches quality closest */
-        dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
-                                  enc->sample_fmt - min_dec;
-    }
-}
-
 static void choose_sample_rate(AVStream *st, AVCodec *codec)
 {
     if(codec && codec->supported_samplerates){
@@ -647,10 +695,16 @@ static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
     }
 }
 
-static OutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
+static OutputStream *new_output_stream(AVFormatContext *oc, int file_idx, AVCodec *codec)
 {
-    int idx = oc->nb_streams - 1;
     OutputStream *ost;
+    AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
+    int idx      = oc->nb_streams - 1;
+
+    if (!st) {
+        av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
+        ffmpeg_exit(1);
+    }
 
     output_streams_for_file[file_idx] =
         grow_array(output_streams_for_file[file_idx],
@@ -665,6 +719,12 @@ static OutputStream *new_output_stream(AVFormatContext *oc, int file_idx)
     }
     ost->file_index = file_idx;
     ost->index = idx;
+    ost->st    = st;
+    ost->enc   = codec;
+    if (codec)
+        ost->opts  = filter_codec_opts(codec_opts, codec->id, 1);
+
+    avcodec_get_context_defaults3(st->codec, codec);
 
     ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
     return ost;
@@ -680,27 +740,21 @@ static int read_ffserver_streams(AVFormatContext *s, const char *filename)
     if (err < 0)
         return err;
     /* copy stream format */
-    s->nb_streams = 0;
-    s->streams = av_mallocz(sizeof(AVStream *) * ic->nb_streams);
     for(i=0;i<ic->nb_streams;i++) {
         AVStream *st;
+        OutputStream *ost;
         AVCodec *codec;
 
-        s->nb_streams++;
+        codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
+        ost   = new_output_stream(s, nb_output_files, codec);
+        st    = ost->st;
 
         // FIXME: a more elegant solution is needed
-        st = av_mallocz(sizeof(AVStream));
         memcpy(st, ic->streams[i], sizeof(AVStream));
-        st->info = NULL;
-        st->codec = avcodec_alloc_context();
-        if (!st->codec) {
-            print_error(filename, AVERROR(ENOMEM));
-            ffmpeg_exit(1);
-        }
+        st->info = av_malloc(sizeof(*st->info));
+        memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
         avcodec_copy_context(st->codec, ic->streams[i]->codec);
-        s->streams[i] = st;
 
-        codec = avcodec_find_encoder(st->codec->codec_id);
         if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
             if (audio_stream_copy) {
                 st->stream_copy = 1;
@@ -715,13 +769,8 @@ static int read_ffserver_streams(AVFormatContext *s, const char *filename)
 
         if(st->codec->flags & CODEC_FLAG_BITEXACT)
             nopts = 1;
-
-        new_output_stream(s, nb_output_files);
     }
 
-    if (!nopts)
-        s->timestamp = av_gettime();
-
     av_close_input_file(ic);
     return 0;
 }
@@ -807,7 +856,7 @@ need_realloc:
         ffmpeg_exit(1);
     }
 
-    if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
+    if (enc->channels != dec->channels)
         ost->audio_resample = 1;
 
     resample_changed = ost->resample_sample_fmt  != dec->sample_fmt ||
@@ -833,7 +882,7 @@ need_realloc:
             ost->resample_sample_rate == enc->sample_rate) {
             ost->resample = NULL;
             ost->audio_resample = 0;
-        } else if (ost->audio_resample) {
+        } else {
             if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
                 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
             ost->resample = av_audio_resample_init(enc->channels,    dec->channels,
@@ -1125,7 +1174,7 @@ static void do_video_out(AVFormatContext *s,
                          AVFrame *in_picture,
                          int *frame_size, float quality)
 {
-    int nb_frames, i, ret, resample_changed;
+    int nb_frames, i, ret, av_unused resample_changed;
     AVFrame *final_picture, *formatted_picture;
     AVCodecContext *enc, *dec;
     double sync_ipts;
@@ -1172,6 +1221,7 @@ static void do_video_out(AVFormatContext *s,
     formatted_picture = in_picture;
     final_picture = formatted_picture;
 
+#if !CONFIG_AVFILTER
     resample_changed = ost->resample_width   != dec->width  ||
                        ost->resample_height  != dec->height ||
                        ost->resample_pix_fmt != dec->pix_fmt;
@@ -1182,24 +1232,32 @@ static void do_video_out(AVFormatContext *s,
                ist->file_index, ist->st->index,
                ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
                dec->width         , dec->height         , av_get_pix_fmt_name(dec->pix_fmt));
-        if(!ost->video_resample)
-            ffmpeg_exit(1);
+        ost->resample_width   = dec->width;
+        ost->resample_height  = dec->height;
+        ost->resample_pix_fmt = dec->pix_fmt;
     }
 
-#if !CONFIG_AVFILTER
+    ost->video_resample = dec->width   != enc->width  ||
+                          dec->height  != enc->height ||
+                          dec->pix_fmt != enc->pix_fmt;
+
     if (ost->video_resample) {
-        final_picture = &ost->pict_tmp;
-        if (resample_changed) {
+        final_picture = &ost->resample_frame;
+        if (!ost->img_resample_ctx || resample_changed) {
+            /* initialize the destination picture */
+            if (!ost->resample_frame.data[0]) {
+                avcodec_get_frame_defaults(&ost->resample_frame);
+                if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
+                                    enc->width, enc->height)) {
+                    fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
+                    ffmpeg_exit(1);
+                }
+            }
             /* initialize a new scaler context */
             sws_freeContext(ost->img_resample_ctx);
-            ost->img_resample_ctx = sws_getContext(
-                ist->st->codec->width,
-                ist->st->codec->height,
-                ist->st->codec->pix_fmt,
-                ost->st->codec->width,
-                ost->st->codec->height,
-                ost->st->codec->pix_fmt,
-                ost->sws_flags, NULL, NULL, NULL);
+            ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
+                                                   enc->width, enc->height, enc->pix_fmt,
+                                                   ost->sws_flags, NULL, NULL, NULL);
             if (ost->img_resample_ctx == NULL) {
                 fprintf(stderr, "Cannot get resampling context\n");
                 ffmpeg_exit(1);
@@ -1343,7 +1401,8 @@ static void print_report(AVFormatContext **output_files,
     int64_t total_size;
     AVCodecContext *enc;
     int frame_number, vid, i;
-    double bitrate, ti1, pts;
+    double bitrate;
+    int64_t pts = INT64_MAX;
     static int64_t last_time = -1;
     static int qp_histogram[52];
 
@@ -1368,7 +1427,6 @@ static void print_report(AVFormatContext **output_files,
         total_size= avio_tell(oc->pb);
 
     buf[0] = '\0';
-    ti1 = 1e10;
     vid = 0;
     for(i=0;i<nb_ostreams;i++) {
         float q = -1;
@@ -1419,19 +1477,28 @@ static void print_report(AVFormatContext **output_files,
             vid = 1;
         }
         /* compute min output value */
-        pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
-        if ((pts < ti1) && (pts > 0))
-            ti1 = pts;
+        pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
+                                      ost->st->time_base, AV_TIME_BASE_Q));
     }
-    if (ti1 < 0.01)
-        ti1 = 0.01;
 
     if (verbose > 0 || is_last_report) {
-        bitrate = (double)(total_size * 8) / ti1 / 1000.0;
+        int hours, mins, secs, us;
+        secs = pts / AV_TIME_BASE;
+        us = pts % AV_TIME_BASE;
+        mins = secs / 60;
+        secs %= 60;
+        hours = mins / 60;
+        mins %= 60;
 
+        bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
+
+        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
+                 "size=%8.0fkB time=", total_size / 1024.0);
         snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
-            "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
-            (double)total_size / 1024, ti1, bitrate);
+                 "%02d:%02d:%02d.%02d ", hours, mins, secs,
+                 (100 * us) / AV_TIME_BASE);
+        snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
+                 "bitrate=%6.1fkbits/s", bitrate);
 
         if (nb_frames_dup || nb_frames_drop)
           snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
@@ -1536,7 +1603,7 @@ static int output_packet(InputStream *ist, int ist_index,
                 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
                                             &avpkt);
                 if (ret < 0)
-                    goto fail_decode;
+                    return ret;
                 avpkt.data += ret;
                 avpkt.size -= ret;
                 data_size   = ret;
@@ -1563,12 +1630,12 @@ static int output_packet(InputStream *ist, int ist_index,
                                                 &picture, &got_output, &avpkt);
                     quality = same_quality ? picture.quality : 0;
                     if (ret < 0)
-                        goto fail_decode;
+                        return ret;
                     if (!got_output) {
                         /* no picture yet */
                         goto discard_packet;
                     }
-                    ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, picture.pkt_pts, picture.pkt_dts);
+                    ist->next_pts = ist->pts = picture.best_effort_timestamp;
                     if (ist->st->codec->time_base.num != 0) {
                         int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
                         ist->next_pts += ((int64_t)AV_TIME_BASE *
@@ -1583,7 +1650,7 @@ static int output_packet(InputStream *ist, int ist_index,
                 ret = avcodec_decode_subtitle2(ist->st->codec,
                                                &subtitle, &got_output, &avpkt);
                 if (ret < 0)
-                    goto fail_decode;
+                    return ret;
                 if (!got_output) {
                     goto discard_packet;
                 }
@@ -1591,7 +1658,7 @@ static int output_packet(InputStream *ist, int ist_index,
                 avpkt.size = 0;
                 break;
             default:
-                goto fail_decode;
+                return -1;
             }
         } else {
             switch(ist->st->codec->codec_type) {
@@ -1613,19 +1680,16 @@ static int output_packet(InputStream *ist, int ist_index,
         }
 
 #if CONFIG_AVFILTER
-        if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
-            for (i = 0; i < nb_ostreams; i++) {
+        if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
+        if (start_time == 0 || ist->pts >= start_time) {
+            for(i=0;i<nb_ostreams;i++) {
                 ost = ost_table[i];
                 if (ost->input_video_filter && ost->source_index == ist_index) {
-                    AVRational sar;
-                    if (ist->st->sample_aspect_ratio.num)
-                        sar = ist->st->sample_aspect_ratio;
-                    else
-                        sar = ist->st->codec->sample_aspect_ratio;
-                    // add it to be filtered
-                    av_vsrc_buffer_add_frame(ost->input_video_filter, &picture,
-                                             ist->pts,
-                                             sar);
+                    if (!picture.sample_aspect_ratio.num)
+                        picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
+                    picture.pts = ist->pts;
+
+                    av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
                 }
             }
         }
@@ -1664,16 +1728,20 @@ static int output_packet(InputStream *ist, int ist_index,
                 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
                     !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
                 while (frame_available) {
-                    AVRational ist_pts_tb;
-                    if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter)
-                        get_filtered_video_frame(ost->output_video_filter, &picture, &ost->picref, &ist_pts_tb);
-                    if (ost->picref)
-                        ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
+                    if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
+                        AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
+                        if (av_vsink_buffer_get_video_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
+                            goto cont;
+                        if (ost->picref) {
+                            avfilter_fill_frame_from_video_buffer_ref(&picture, ost->picref);
+                            ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
+                        }
+                    }
 #endif
                     os = output_files[ost->file_index];
 
                     /* set the input output pts pairs */
-                    //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
+                    //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
 
                     if (ost->encoding_needed) {
                         av_assert0(ist->decoding_needed);
@@ -1684,7 +1752,7 @@ static int output_packet(InputStream *ist, int ist_index,
                         case AVMEDIA_TYPE_VIDEO:
 #if CONFIG_AVFILTER
                             if (ost->picref->video && !ost->frame_aspect_ratio)
-                                ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
+                                ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
 #endif
                             do_video_out(os, ost, ist, &picture, &frame_size,
                                          same_quality ? quality : ost->st->codec->global_quality);
@@ -1700,6 +1768,7 @@ static int output_packet(InputStream *ist, int ist_index,
                         }
                     } else {
                         AVFrame avframe; //FIXME/XXX remove this
+                        AVPicture pict;
                         AVPacket opkt;
                         int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
 
@@ -1753,6 +1822,13 @@ static int output_packet(InputStream *ist, int ist_index,
                             opkt.size = data_size;
                         }
 
+                        if (os->oformat->flags & AVFMT_RAWPICTURE) {
+                            /* store AVPicture in AVPacket, as expected by the output format */
+                            avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
+                            opkt.data = (uint8_t *)&pict;
+                            opkt.size = sizeof(AVPicture);
+                            opkt.flags |= AV_PKT_FLAG_KEY;
+                        }
                         write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
                         ost->st->codec->frame_number++;
                         ost->frame_number++;
@@ -1762,8 +1838,7 @@ static int output_packet(InputStream *ist, int ist_index,
                     cont:
                     frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
                                        ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
-                    if (ost->picref)
-                        avfilter_unref_buffer(ost->picref);
+                    avfilter_unref_buffer(ost->picref);
                 }
 #endif
                 }
@@ -1863,8 +1938,6 @@ static int output_packet(InputStream *ist, int ist_index,
     }
 
     return 0;
- fail_decode:
-    return -1;
 }
 
 static void print_sdp(AVFormatContext **avc, int n)
@@ -1884,7 +1957,7 @@ static int copy_chapters(int infile, int outfile)
 
     for (i = 0; i < is->nb_chapters; i++) {
         AVChapter *in_ch = is->chapters[i], *out_ch;
-        int64_t ts_off   = av_rescale_q(start_time - input_files_ts_offset[infile],
+        int64_t ts_off   = av_rescale_q(start_time - input_files[infile].ts_offset,
                                       AV_TIME_BASE_Q, in_ch->time_base);
         int64_t rt       = (recording_time == INT64_MAX) ? INT64_MAX :
                            av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
@@ -1948,15 +2021,19 @@ static int transcode(AVFormatContext **output_files,
                      int nb_input_files,
                      StreamMap *stream_maps, int nb_stream_maps)
 {
-    int ret = 0, i, j, k, n, nb_ostreams = 0;
+    int ret = 0, i, j, k, n, nb_ostreams = 0, step;
+
     AVFormatContext *is, *os;
     AVCodecContext *codec, *icodec;
     OutputStream *ost, **ost_table = NULL;
     InputStream *ist;
     char error[1024];
+    int key;
     int want_sdp = 1;
     uint8_t no_packet[MAX_FILES]={0};
     int no_packet_count=0;
+    int nb_frame_threshold[AVMEDIA_TYPE_NB]={0};
+    int nb_streams[AVMEDIA_TYPE_NB]={0};
 
     if (rate_emu)
         for (i = 0; i < nb_input_streams; i++)
@@ -2004,13 +2081,49 @@ static int transcode(AVFormatContext **output_files,
     ost_table = av_mallocz(sizeof(OutputStream *) * nb_ostreams);
     if (!ost_table)
         goto fail;
+
+    for(k=0;k<nb_output_files;k++) {
+        os = output_files[k];
+        for(i=0;i<os->nb_streams;i++,n++) {
+            nb_streams[os->streams[i]->codec->codec_type]++;
+        }
+    }
+    for(step=1<<30; step; step>>=1){
+        int found_streams[AVMEDIA_TYPE_NB]={0};
+        for(j=0; j<AVMEDIA_TYPE_NB; j++)
+            nb_frame_threshold[j] += step;
+
+        for(j=0; j<nb_input_streams; j++) {
+            int skip=0;
+            ist = &input_streams[j];
+            if(opt_programid){
+                int pi,si;
+                AVFormatContext *f= input_files[ ist->file_index ].ctx;
+                skip=1;
+                for(pi=0; pi<f->nb_programs; pi++){
+                    AVProgram *p= f->programs[pi];
+                    if(p->id == opt_programid)
+                        for(si=0; si<p->nb_stream_indexes; si++){
+                            if(f->streams[ p->stream_index[si] ] == ist->st)
+                                skip=0;
+                        }
+                }
+            }
+            if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip
+                && nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames){
+                found_streams[ist->st->codec->codec_type]++;
+            }
+        }
+        for(j=0; j<AVMEDIA_TYPE_NB; j++)
+            if(found_streams[j] < nb_streams[j])
+                nb_frame_threshold[j] -= step;
+    }
     n = 0;
     for(k=0;k<nb_output_files;k++) {
         os = output_files[k];
         for(i=0;i<os->nb_streams;i++,n++) {
             int found;
             ost = ost_table[n] = output_streams_for_file[k][i];
-            ost->st = os->streams[i];
             if (nb_stream_maps > 0) {
                 ost->source_index = input_files[stream_maps[n].file_index].ist_index +
                     stream_maps[n].stream_index;
@@ -2026,7 +2139,6 @@ static int transcode(AVFormatContext **output_files,
                 }
 
             } else {
-                int best_nb_frames=-1;
                 /* get corresponding input stream index : we select the first one with the right type */
                 found = 0;
                 for (j = 0; j < nb_input_streams; j++) {
@@ -2046,12 +2158,11 @@ static int transcode(AVFormatContext **output_files,
                         }
                     }
                     if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip &&
-                        ist->st->codec->codec_type == ost->st->codec->codec_type) {
-                        if(best_nb_frames < ist->st->codec_info_nb_frames){
-                            best_nb_frames= ist->st->codec_info_nb_frames;
+                        ist->st->codec->codec_type == ost->st->codec->codec_type &&
+                        nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames) {
                             ost->source_index = j;
                             found = 1;
-                        }
+                            break;
                     }
                 }
 
@@ -2126,13 +2237,23 @@ static int transcode(AVFormatContext **output_files,
                 goto fail;
             memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
             codec->extradata_size= icodec->extradata_size;
-            if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
-                codec->time_base = icodec->time_base;
-                codec->time_base.num *= icodec->ticks_per_frame;
-                av_reduce(&codec->time_base.num, &codec->time_base.den,
-                          codec->time_base.num, codec->time_base.den, INT_MAX);
-            }else
-                codec->time_base = ist->st->time_base;
+
+            codec->time_base = ist->st->time_base;
+            if(!strcmp(os->oformat->name, "avi")) {
+                if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
+                    codec->time_base = icodec->time_base;
+                    codec->time_base.num *= icodec->ticks_per_frame;
+                    codec->time_base.den *= 2;
+                }
+            } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
+                if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
+                    codec->time_base = icodec->time_base;
+                    codec->time_base.num *= icodec->ticks_per_frame;
+                }
+            }
+            av_reduce(&codec->time_base.num, &codec->time_base.den,
+                        codec->time_base.num, codec->time_base.den, INT_MAX);
+
             switch(codec->codec_type) {
             case AVMEDIA_TYPE_AUDIO:
                 if(audio_volume != 256) {
@@ -2183,13 +2304,16 @@ static int transcode(AVFormatContext **output_files,
                 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
                 if (!codec->sample_rate) {
                     codec->sample_rate = icodec->sample_rate;
-                    if (icodec->lowres)
-                        codec->sample_rate >>= icodec->lowres;
                 }
                 choose_sample_rate(ost->st, ost->enc);
                 codec->time_base = (AVRational){1, codec->sample_rate};
-                if (!codec->channels)
+                if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
+                    codec->sample_fmt = icodec->sample_fmt;
+                choose_sample_fmt(ost->st, ost->enc);
+                if (!codec->channels) {
                     codec->channels = icodec->channels;
+                    codec->channel_layout = icodec->channel_layout;
+                }
                 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
                     codec->channel_layout = 0;
                 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
@@ -2209,36 +2333,19 @@ static int transcode(AVFormatContext **output_files,
                     fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
                     ffmpeg_exit(1);
                 }
+
+                if (!codec->width || !codec->height) {
+                    codec->width  = icodec->width;
+                    codec->height = icodec->height;
+                }
+
                 ost->video_resample = codec->width   != icodec->width  ||
                                       codec->height  != icodec->height ||
                                       codec->pix_fmt != icodec->pix_fmt;
                 if (ost->video_resample) {
-#if !CONFIG_AVFILTER
-                    avcodec_get_frame_defaults(&ost->pict_tmp);
-                    if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
-                                         codec->width, codec->height)) {
-                        fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
-                        ffmpeg_exit(1);
-                    }
-                    ost->img_resample_ctx = sws_getContext(
-                        icodec->width,
-                        icodec->height,
-                            icodec->pix_fmt,
-                            codec->width,
-                            codec->height,
-                            codec->pix_fmt,
-                            ost->sws_flags, NULL, NULL, NULL);
-                    if (ost->img_resample_ctx == NULL) {
-                        fprintf(stderr, "Cannot get resampling context\n");
-                        ffmpeg_exit(1);
-                    }
-#endif
-                    codec->bits_per_raw_sample= 0;
-                }
-                if (!codec->width || !codec->height) {
-                    codec->width  = icodec->width;
-                    codec->height = icodec->height;
+                    codec->bits_per_raw_sample= frame_bits_per_raw_sample;
                 }
+
                 ost->resample_height = icodec->height;
                 ost->resample_width  = icodec->width;
                 ost->resample_pix_fmt= icodec->pix_fmt;
@@ -2252,6 +2359,11 @@ static int transcode(AVFormatContext **output_files,
                     ost->frame_rate = ost->enc->supported_framerates[idx];
                 }
                 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
+                if(   av_q2d(codec->time_base) < 0.001 && video_sync_method
+                   && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
+                    av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
+                                               "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
+                }
 
 #if CONFIG_AVFILTER
                 if (configure_video_filters(ist, ost)) {
@@ -2269,7 +2381,7 @@ static int transcode(AVFormatContext **output_files,
                 break;
             }
             /* two pass mode */
-            if (ost->encoding_needed &&
+            if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
                 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
                 char logfilename[1024];
                 FILE *f;
@@ -2296,8 +2408,9 @@ static int transcode(AVFormatContext **output_files,
             }
         }
         if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
+            /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
             int size= codec->width * codec->height;
-            bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
+            bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
         }
     }
 
@@ -2331,12 +2444,17 @@ static int transcode(AVFormatContext **output_files,
                 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
                 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
             }
-            if (avcodec_open(ost->st->codec, codec) < 0) {
+            if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
                 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
                         ost->file_index, ost->index);
                 ret = AVERROR(EINVAL);
                 goto dump_format;
             }
+            assert_codec_experimental(ost->st->codec, 1);
+            assert_avoptions(ost->opts);
+            if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
+                av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
+                                             "It takes bits/s as argument, not kbits/s\n");
             extra_size += ost->st->codec->extradata_size;
         }
     }
@@ -2345,7 +2463,7 @@ static int transcode(AVFormatContext **output_files,
     for (i = 0; i < nb_input_streams; i++) {
         ist = &input_streams[i];
         if (ist->decoding_needed) {
-            AVCodec *codec = i < nb_input_codecs ? input_codecs[i] : NULL;
+            AVCodec *codec = ist->dec;
             if (!codec)
                 codec = avcodec_find_decoder(ist->st->codec->codec_id);
             if (!codec) {
@@ -2354,23 +2472,14 @@ static int transcode(AVFormatContext **output_files,
                 ret = AVERROR(EINVAL);
                 goto dump_format;
             }
-
-            /* update requested sample format for the decoder based on the
-               corresponding encoder sample format */
-            for (j = 0; j < nb_ostreams; j++) {
-                ost = ost_table[j];
-                if (ost->source_index == i) {
-                    update_sample_fmt(ist->st->codec, codec, ost->st->codec);
-                    break;
-                }
-            }
-
-            if (avcodec_open(ist->st->codec, codec) < 0) {
+            if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
                 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
                         ist->file_index, ist->st->index);
                 ret = AVERROR(EINVAL);
                 goto dump_format;
             }
+            assert_codec_experimental(ist->st->codec, 0);
+            assert_avoptions(ost->opts);
             //if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
             //    ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
         }
@@ -2383,7 +2492,6 @@ static int transcode(AVFormatContext **output_files,
         st= ist->st;
         ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
         ist->next_pts = AV_NOPTS_VALUE;
-        init_pts_correction(&ist->pts_ctx);
         ist->is_start = 1;
     }
 
@@ -2484,7 +2592,7 @@ static int transcode(AVFormatContext **output_files,
             ret = AVERROR(EINVAL);
             goto dump_format;
         }
-        assert_avoptions(output_opts[i]);
+//        assert_avoptions(output_opts[i]);
         if (strcmp(output_files[i]->oformat->name, "rtp")) {
             want_sdp = 0;
         }
@@ -2524,8 +2632,11 @@ static int transcode(AVFormatContext **output_files,
         print_sdp(output_files, nb_output_files);
     }
 
-    if (verbose >= 0)
-        fprintf(stderr, "Press ctrl-c to stop encoding\n");
+    if (!using_stdin) {
+        if(verbose >= 0)
+            fprintf(stderr, "Press [q] to stop, [?] for help\n");
+        avio_set_interrupt_cb(decode_interrupt_cb);
+    }
     term_init();
 
     timer_start = av_gettime();
@@ -2539,6 +2650,57 @@ static int transcode(AVFormatContext **output_files,
     redo:
         ipts_min= 1e100;
         opts_min= 1e100;
+        /* if 'q' pressed, exits */
+        if (!using_stdin) {
+            if (q_pressed)
+                break;
+            /* read_key() returns 0 on EOF */
+            key = read_key();
+            if (key == 'q')
+                break;
+            if (key == '+') verbose++;
+            if (key == '-') verbose--;
+            if (key == 's') qp_hist     ^= 1;
+            if (key == 'h'){
+                if (do_hex_dump){
+                    do_hex_dump = do_pkt_dump = 0;
+                } else if(do_pkt_dump){
+                    do_hex_dump = 1;
+                } else
+                    do_pkt_dump = 1;
+                av_log_set_level(AV_LOG_DEBUG);
+            }
+            if (key == 'd' || key == 'D'){
+                int debug=0;
+                if(key == 'D') {
+                    debug = input_streams[0].st->codec->debug<<1;
+                    if(!debug) debug = 1;
+                    while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
+                        debug += debug;
+                }else
+                    scanf("%d", &debug);
+                for(i=0;i<nb_input_streams;i++) {
+                    input_streams[i].st->codec->debug = debug;
+                }
+                for(i=0;i<nb_ostreams;i++) {
+                    ost = ost_table[i];
+                    ost->st->codec->debug = debug;
+                }
+                if(debug) av_log_set_level(AV_LOG_DEBUG);
+                fprintf(stderr,"debug=%d\n", debug);
+            }
+            if (key == '?'){
+                fprintf(stderr, "key    function\n"
+                                "?      show this help\n"
+                                "+      increase verbosity\n"
+                                "-      decrease verbosity\n"
+                                "D      cycle through available debug modes\n"
+                                "h      dump packets/hex press to cycle through the 3 states\n"
+                                "q      quit\n"
+                                "s      Show QP histogram\n"
+                );
+            }
+        }
 
         /* select the stream that we must read now by looking at the
            smallest output pts */
@@ -2615,27 +2777,27 @@ static int transcode(AVFormatContext **output_files,
             goto discard_packet;
 
         if (pkt.dts != AV_NOPTS_VALUE)
-            pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
+            pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
         if (pkt.pts != AV_NOPTS_VALUE)
-            pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
+            pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
 
-        if (pkt.stream_index < nb_input_files_ts_scale[file_index]
-            && input_files_ts_scale[file_index][pkt.stream_index]){
+        if (ist->ts_scale) {
             if(pkt.pts != AV_NOPTS_VALUE)
-                pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
+                pkt.pts *= ist->ts_scale;
             if(pkt.dts != AV_NOPTS_VALUE)
-                pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
+                pkt.dts *= ist->ts_scale;
         }
 
-//        fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec->codec_type);
+//        fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files[ist->file_index].ts_offset, ist->st->codec->codec_type);
         if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
             && (is->iformat->flags & AVFMT_TS_DISCONT)) {
             int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
             int64_t delta= pkt_dts - ist->next_pts;
             if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
-                input_files_ts_offset[ist->file_index]-= delta;
+                input_files[ist->file_index].ts_offset -= delta;
                 if (verbose > 2)
-                    fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
+                    fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
+                            delta, input_files[ist->file_index].ts_offset);
                 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
                 if(pkt.pts != AV_NOPTS_VALUE)
                     pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
@@ -2644,7 +2806,11 @@ static int transcode(AVFormatContext **output_files,
 
         /* finish if recording time exhausted */
         if (recording_time != INT64_MAX &&
-            av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000}) >= 0) {
+            (pkt.pts != AV_NOPTS_VALUE ?
+                av_compare_ts(pkt.pts, ist->st->time_base, recording_time + start_time, (AVRational){1, 1000000})
+                    :
+                av_compare_ts(ist->pts, AV_TIME_BASE_Q, recording_time + start_time, (AVRational){1, 1000000})
+            )>= 0) {
             ist->is_past_recording_time = 1;
             goto discard_packet;
         }
@@ -2726,7 +2892,7 @@ static int transcode(AVFormatContext **output_files,
                 av_fifo_free(ost->fifo); /* works even if fifo is not
                                              initialized but set to zero */
                 av_freep(&ost->st->codec->subtitle_header);
-                av_free(ost->pict_tmp.data[0]);
+                av_free(ost->resample_frame.data[0]);
                 av_free(ost->forced_kf_pts);
                 if (ost->video_resample)
                     sws_freeContext(ost->img_resample_ctx);
@@ -2734,6 +2900,7 @@ static int transcode(AVFormatContext **output_files,
                     audio_resample_close(ost->resample);
                 if (ost->reformat_ctx)
                     av_audio_convert_free(ost->reformat_ctx);
+                av_dict_free(&ost->opts);
                 av_free(ost);
             }
         }
@@ -2775,18 +2942,6 @@ static int opt_frame_rate(const char *opt, const char *arg)
     return 0;
 }
 
-static int opt_bitrate(const char *opt, const char *arg)
-{
-    int codec_type = opt[0]=='a' ? AVMEDIA_TYPE_AUDIO : AVMEDIA_TYPE_VIDEO;
-
-    opt_default(opt, arg);
-
-    if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
-        fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
-
-    return 0;
-}
-
 static int opt_frame_crop(const char *opt, const char *arg)
 {
     fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
@@ -2816,7 +2971,7 @@ static int opt_frame_pix_fmt(const char *opt, const char *arg)
             return AVERROR(EINVAL);
         }
     } else {
-        show_pix_fmts();
+        opt_pix_fmts(NULL, NULL);
         ffmpeg_exit(0);
     }
     return 0;
@@ -2865,7 +3020,7 @@ static int opt_metadata(const char *opt, const char *arg)
 static int opt_qscale(const char *opt, const char *arg)
 {
     video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
-    if (video_qscale == 0) {
+    if (video_qscale <= 0 || video_qscale > 255) {
         fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
         return AVERROR(EINVAL);
     }
@@ -2875,6 +3030,7 @@ static int opt_qscale(const char *opt, const char *arg)
 static int opt_top_field_first(const char *opt, const char *arg)
 {
     top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
+    opt_default(opt, arg);
     return 0;
 }
 
@@ -2932,9 +3088,15 @@ static int opt_video_standard(const char *opt, const char *arg)
     return 0;
 }
 
-static int opt_codec(int *pstream_copy, char **pcodec_name,
-                      int codec_type, const char *arg)
+static int opt_codec(const char *opt, const char *arg)
 {
+    int *pstream_copy; char **pcodec_name; enum AVMediaType codec_type;
+
+    if      (!strcmp(opt, "acodec")) { pstream_copy = &audio_stream_copy;    pcodec_name = &audio_codec_name;    codec_type = AVMEDIA_TYPE_AUDIO;    }
+    else if (!strcmp(opt, "vcodec")) { pstream_copy = &video_stream_copy;    pcodec_name = &video_codec_name;    codec_type = AVMEDIA_TYPE_VIDEO;    }
+    else if (!strcmp(opt, "scodec")) { pstream_copy = &subtitle_stream_copy; pcodec_name = &subtitle_codec_name; codec_type = AVMEDIA_TYPE_SUBTITLE; }
+    else if (!strcmp(opt, "dcodec")) { pstream_copy = &data_stream_copy;     pcodec_name = &data_codec_name;     codec_type = AVMEDIA_TYPE_DATA;     }
+
     av_freep(pcodec_name);
     if (!strcmp(arg, "copy")) {
         *pstream_copy = 1;
@@ -2944,26 +3106,6 @@ static int opt_codec(int *pstream_copy, char **pcodec_name,
     return 0;
 }
 
-static int opt_audio_codec(const char *opt, const char *arg)
-{
-    return opt_codec(&audio_stream_copy, &audio_codec_name, AVMEDIA_TYPE_AUDIO, arg);
-}
-
-static int opt_video_codec(const char *opt, const char *arg)
-{
-    return opt_codec(&video_stream_copy, &video_codec_name, AVMEDIA_TYPE_VIDEO, arg);
-}
-
-static int opt_subtitle_codec(const char *opt, const char *arg)
-{
-    return opt_codec(&subtitle_stream_copy, &subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, arg);
-}
-
-static int opt_data_codec(const char *opt, const char *arg)
-{
-    return opt_codec(&data_stream_copy, &data_codec_name, AVMEDIA_TYPE_DATA, arg);
-}
-
 static int opt_codec_tag(const char *opt, const char *arg)
 {
     char *tail;
@@ -3094,8 +3236,8 @@ static int opt_input_ts_scale(const char *opt, const char *arg)
     if(stream >= MAX_STREAMS)
         ffmpeg_exit(1);
 
-    input_files_ts_scale[nb_input_files] = grow_array(input_files_ts_scale[nb_input_files], sizeof(*input_files_ts_scale[nb_input_files]), &nb_input_files_ts_scale[nb_input_files], stream + 1);
-    input_files_ts_scale[nb_input_files][stream]= scale;
+    ts_scale = grow_array(ts_scale, sizeof(*ts_scale), &nb_ts_scale, stream + 1);
+    ts_scale[stream] = scale;
     return 0;
 }
 
@@ -3113,7 +3255,14 @@ static int opt_start_time(const char *opt, const char *arg)
 
 static int opt_recording_timestamp(const char *opt, const char *arg)
 {
-    recording_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
+    char buf[128];
+    int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
+    struct tm time = *gmtime((time_t*)&recording_timestamp);
+    strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
+    opt_metadata("metadata", buf);
+
+    av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
+                                 "tag instead.\n", opt);
     return 0;
 }
 
@@ -3123,7 +3272,7 @@ static int opt_input_ts_offset(const char *opt, const char *arg)
     return 0;
 }
 
-static enum CodecID find_codec_or_die(const char *name, int type, int encoder, int strict)
+static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
 {
     const char *codec_string = encoder ? "encoder" : "decoder";
     AVCodec *codec;
@@ -3141,19 +3290,6 @@ static enum CodecID find_codec_or_die(const char *name, int type, int encoder, i
         fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
         ffmpeg_exit(1);
     }
-    if(codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
-       strict > FF_COMPLIANCE_EXPERIMENTAL) {
-        fprintf(stderr, "%s '%s' is experimental and might produce bad "
-                "results.\nAdd '-strict experimental' if you want to use it.\n",
-                codec_string, codec->name);
-        codec = encoder ?
-            avcodec_find_encoder(codec->id) :
-            avcodec_find_decoder(codec->id);
-        if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
-            fprintf(stderr, "Or use the non experimental %s '%s'.\n",
-                    codec_string, codec->name);
-        ffmpeg_exit(1);
-    }
     return codec->id;
 }
 
@@ -3164,6 +3300,8 @@ static int opt_input_file(const char *opt, const char *filename)
     int err, i, ret, rfps, rfps_base;
     int64_t timestamp;
     uint8_t buf[128];
+    AVDictionary **opts;
+    int orig_nb_streams;                     // number of streams before avformat_find_stream_info
 
     if (last_asked_format) {
         if (!(file_iformat = av_find_input_format(last_asked_format))) {
@@ -3205,14 +3343,11 @@ static int opt_input_file(const char *opt, const char *filename)
         av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
 
     ic->video_codec_id   =
-        find_codec_or_die(video_codec_name   , AVMEDIA_TYPE_VIDEO   , 0,
-                          avcodec_opts[AVMEDIA_TYPE_VIDEO   ]->strict_std_compliance);
+        find_codec_or_die(video_codec_name   , AVMEDIA_TYPE_VIDEO   , 0);
     ic->audio_codec_id   =
-        find_codec_or_die(audio_codec_name   , AVMEDIA_TYPE_AUDIO   , 0,
-                          avcodec_opts[AVMEDIA_TYPE_AUDIO   ]->strict_std_compliance);
+        find_codec_or_die(audio_codec_name   , AVMEDIA_TYPE_AUDIO   , 0);
     ic->subtitle_codec_id=
-        find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0,
-                          avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
+        find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0);
     ic->flags |= AVFMT_FLAG_NONBLOCK;
 
     /* open the input file with generic libav function */
@@ -3252,26 +3387,13 @@ static int opt_input_file(const char *opt, const char *filename)
         ic->loop_input = loop_input;
     }
 
-    /* Set AVCodecContext options so they will be seen by av_find_stream_info() */
-    for (i = 0; i < ic->nb_streams; i++) {
-        AVCodecContext *dec = ic->streams[i]->codec;
-        switch (dec->codec_type) {
-        case AVMEDIA_TYPE_AUDIO:
-            set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_AUDIO],
-                             AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM,
-                             NULL);
-            break;
-        case AVMEDIA_TYPE_VIDEO:
-            set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_VIDEO],
-                             AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM,
-                             NULL);
-            break;
-        }
-    }
+    /* Set AVCodecContext options for avformat_find_stream_info */
+    opts = setup_find_stream_info_opts(ic);
+    orig_nb_streams = ic->nb_streams;
 
     /* 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);
+    ret = avformat_find_stream_info(ic, opts);
     if (ret < 0 && verbose >= 0) {
         fprintf(stderr, "%s: could not find codec parameters\n", filename);
         av_close_input_file(ic);
@@ -3301,32 +3423,33 @@ static int opt_input_file(const char *opt, const char *filename)
         InputStream *ist;
 
         dec->thread_count = thread_count;
-        input_codecs = grow_array(input_codecs, sizeof(*input_codecs), &nb_input_codecs, nb_input_codecs + 1);
 
         input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
         ist = &input_streams[nb_input_streams - 1];
         ist->st = st;
         ist->file_index = nb_input_files;
         ist->discard = 1;
+        ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, 0);
+
+        if (i < nb_ts_scale)
+            ist->ts_scale = ts_scale[i];
 
         switch (dec->codec_type) {
         case AVMEDIA_TYPE_AUDIO:
-            input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(audio_codec_name);
-            set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM, input_codecs[nb_input_codecs-1]);
-            channel_layout    = dec->channel_layout;
-            audio_sample_fmt  = dec->sample_fmt;
+            ist->dec = avcodec_find_decoder_by_name(audio_codec_name);
+            if(!ist->dec)
+                ist->dec = avcodec_find_decoder(dec->codec_id);
             if(audio_disable)
                 st->discard= AVDISCARD_ALL;
             break;
         case AVMEDIA_TYPE_VIDEO:
-            input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(video_codec_name);
-            set_context_opts(dec, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM, input_codecs[nb_input_codecs-1]);
+            ist->dec= avcodec_find_decoder_by_name(video_codec_name);
+            if(!ist->dec)
+                ist->dec = avcodec_find_decoder(dec->codec_id);
             rfps      = ic->streams[i]->r_frame_rate.num;
             rfps_base = ic->streams[i]->r_frame_rate.den;
             if (dec->lowres) {
                 dec->flags |= CODEC_FLAG_EMU_EDGE;
-                dec->height >>= dec->lowres;
-                dec->width  >>= dec->lowres;
             }
             if(me_threshold)
                 dec->debug |= FF_DEBUG_MV;
@@ -3348,7 +3471,9 @@ static int opt_input_file(const char *opt, const char *filename)
         case AVMEDIA_TYPE_DATA:
             break;
         case AVMEDIA_TYPE_SUBTITLE:
-            input_codecs[nb_input_codecs-1] = avcodec_find_decoder_by_name(subtitle_codec_name);
+            ist->dec = avcodec_find_decoder_by_name(subtitle_codec_name);
+            if(!ist->dec)
+                ist->dec = avcodec_find_decoder(dec->codec_id);
             if(subtitle_disable)
                 st->discard = AVDISCARD_ALL;
             break;
@@ -3360,7 +3485,6 @@ static int opt_input_file(const char *opt, const char *filename)
         }
     }
 
-    input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
     /* dump the file content */
     if (verbose >= 0)
         av_dump_format(ic, nb_input_files, filename, 0);
@@ -3368,14 +3492,22 @@ static int opt_input_file(const char *opt, const char *filename)
     input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
     input_files[nb_input_files - 1].ctx        = ic;
     input_files[nb_input_files - 1].ist_index  = nb_input_streams - ic->nb_streams;
+    input_files[nb_input_files - 1].ts_offset  = input_ts_offset - (copy_ts ? 0 : timestamp);
 
+    top_field_first = -1;
     frame_rate    = (AVRational){0, 0};
     frame_pix_fmt = PIX_FMT_NONE;
     frame_height = 0;
     frame_width  = 0;
     audio_sample_rate = 0;
     audio_channels    = 0;
+    audio_sample_fmt  = AV_SAMPLE_FMT_NONE;
+    av_freep(&ts_scale);
+    nb_ts_scale = 0;
 
+    for (i = 0; i < orig_nb_streams; i++)
+        av_dict_free(&opts[i]);
+    av_freep(&opts);
     av_freep(&video_codec_name);
     av_freep(&audio_codec_name);
     av_freep(&subtitle_codec_name);
@@ -3435,33 +3567,27 @@ static void new_video_stream(AVFormatContext *oc, int file_idx)
     enum CodecID codec_id = CODEC_ID_NONE;
     AVCodec *codec= NULL;
 
-    st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
-    if (!st) {
-        fprintf(stderr, "Could not alloc stream\n");
-        ffmpeg_exit(1);
-    }
-    ost = new_output_stream(oc, file_idx);
-
     if(!video_stream_copy){
         if (video_codec_name) {
-            codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1,
-                                         avcodec_opts[AVMEDIA_TYPE_VIDEO]->strict_std_compliance);
+            codec_id = find_codec_or_die(video_codec_name, AVMEDIA_TYPE_VIDEO, 1);
             codec = avcodec_find_encoder_by_name(video_codec_name);
-            ost->enc = codec;
         } else {
             codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_VIDEO);
             codec = avcodec_find_encoder(codec_id);
         }
+    }
 
+    ost = new_output_stream(oc, file_idx, codec);
+    st  = ost->st;
+    if (!video_stream_copy) {
         ost->frame_aspect_ratio = frame_aspect_ratio;
         frame_aspect_ratio = 0;
 #if CONFIG_AVFILTER
-        ost->avfilter= vfilters;
+        ost->avfilter = vfilters;
         vfilters = NULL;
 #endif
     }
 
-    avcodec_get_context_defaults3(st->codec, codec);
     ost->bitstream_filters = video_bitstream_filters;
     video_bitstream_filters= NULL;
 
@@ -3474,12 +3600,11 @@ static void new_video_stream(AVFormatContext *oc, int file_idx)
 
     if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
         video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
-        avcodec_opts[AVMEDIA_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
     }
 
+    video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
     if (video_stream_copy) {
         st->stream_copy = 1;
-        video_enc->codec_type = AVMEDIA_TYPE_VIDEO;
         video_enc->sample_aspect_ratio =
         st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
     } else {
@@ -3489,11 +3614,11 @@ static void new_video_stream(AVFormatContext *oc, int file_idx)
         if (frame_rate.num)
             ost->frame_rate = frame_rate;
         video_enc->codec_id = codec_id;
-        set_context_opts(video_enc, avcodec_opts[AVMEDIA_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
 
         video_enc->width = frame_width;
         video_enc->height = frame_height;
         video_enc->pix_fmt = frame_pix_fmt;
+        video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
         st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
 
         if (intra_only)
@@ -3574,26 +3699,17 @@ static void new_audio_stream(AVFormatContext *oc, int file_idx)
     AVCodecContext *audio_enc;
     enum CodecID codec_id = CODEC_ID_NONE;
 
-    st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
-    if (!st) {
-        fprintf(stderr, "Could not alloc stream\n");
-        ffmpeg_exit(1);
-    }
-    ost = new_output_stream(oc, file_idx);
-
     if(!audio_stream_copy){
         if (audio_codec_name) {
-            codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1,
-                                         avcodec_opts[AVMEDIA_TYPE_AUDIO]->strict_std_compliance);
+            codec_id = find_codec_or_die(audio_codec_name, AVMEDIA_TYPE_AUDIO, 1);
             codec = avcodec_find_encoder_by_name(audio_codec_name);
-            ost->enc = codec;
         } else {
             codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_AUDIO);
             codec = avcodec_find_encoder(codec_id);
         }
     }
-
-    avcodec_get_context_defaults3(st->codec, codec);
+    ost = new_output_stream(oc, file_idx, codec);
+    st  = ost->st;
 
     ost->bitstream_filters = audio_bitstream_filters;
     audio_bitstream_filters= NULL;
@@ -3608,13 +3724,11 @@ static void new_audio_stream(AVFormatContext *oc, int file_idx)
 
     if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
         audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
-        avcodec_opts[AVMEDIA_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
     }
     if (audio_stream_copy) {
         st->stream_copy = 1;
     } else {
         audio_enc->codec_id = codec_id;
-        set_context_opts(audio_enc, avcodec_opts[AVMEDIA_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
 
         if (audio_qscale > QSCALE_NONE) {
             audio_enc->flags |= CODEC_FLAG_QSCALE;
@@ -3622,11 +3736,10 @@ static void new_audio_stream(AVFormatContext *oc, int file_idx)
         }
         if (audio_channels)
             audio_enc->channels = audio_channels;
-        audio_enc->sample_fmt = audio_sample_fmt;
+        if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
+            audio_enc->sample_fmt = audio_sample_fmt;
         if (audio_sample_rate)
             audio_enc->sample_rate = audio_sample_rate;
-        audio_enc->channel_layout = channel_layout;
-        choose_sample_fmt(st, codec);
     }
     if (audio_language) {
         av_dict_set(&st->metadata, "language", audio_language, 0);
@@ -3642,21 +3755,16 @@ static void new_audio_stream(AVFormatContext *oc, int file_idx)
 static void new_data_stream(AVFormatContext *oc, int file_idx)
 {
     AVStream *st;
-    AVCodec *codec=NULL;
+    OutputStream *ost;
     AVCodecContext *data_enc;
 
-    st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
-    if (!st) {
-        fprintf(stderr, "Could not alloc stream\n");
-        ffmpeg_exit(1);
-    }
-    new_output_stream(oc, file_idx);
+    ost = new_output_stream(oc, file_idx, NULL);
+    st  = ost->st;
     data_enc = st->codec;
     if (!data_stream_copy) {
         fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
         ffmpeg_exit(1);
     }
-    avcodec_get_context_defaults3(st->codec, codec);
 
     data_enc->codec_type = AVMEDIA_TYPE_DATA;
 
@@ -3665,7 +3773,6 @@ static void new_data_stream(AVFormatContext *oc, int file_idx)
 
     if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
         data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
-        avcodec_opts[AVMEDIA_TYPE_DATA]->flags |= CODEC_FLAG_GLOBAL_HEADER;
     }
     if (data_stream_copy) {
         st->stream_copy = 1;
@@ -3684,25 +3791,18 @@ static void new_subtitle_stream(AVFormatContext *oc, int file_idx)
     AVCodecContext *subtitle_enc;
     enum CodecID codec_id = CODEC_ID_NONE;
 
-    st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
-    if (!st) {
-        fprintf(stderr, "Could not alloc stream\n");
-        ffmpeg_exit(1);
-    }
-    ost = new_output_stream(oc, file_idx);
-    subtitle_enc = st->codec;
     if(!subtitle_stream_copy){
         if (subtitle_codec_name) {
-            codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1,
-                                         avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->strict_std_compliance);
+            codec_id = find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 1);
             codec = avcodec_find_encoder_by_name(subtitle_codec_name);
-            ost->enc = codec;
         } else {
             codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, AVMEDIA_TYPE_SUBTITLE);
             codec = avcodec_find_encoder(codec_id);
         }
     }
-    avcodec_get_context_defaults3(st->codec, codec);
+    ost = new_output_stream(oc, file_idx, codec);
+    st  = ost->st;
+    subtitle_enc = st->codec;
 
     ost->bitstream_filters = subtitle_bitstream_filters;
     subtitle_bitstream_filters= NULL;
@@ -3714,13 +3814,11 @@ static void new_subtitle_stream(AVFormatContext *oc, int file_idx)
 
     if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
         subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
-        avcodec_opts[AVMEDIA_TYPE_SUBTITLE]->flags |= CODEC_FLAG_GLOBAL_HEADER;
     }
     if (subtitle_stream_copy) {
         st->stream_copy = 1;
     } else {
         subtitle_enc->codec_id = codec_id;
-        set_context_opts(avcodec_opts[AVMEDIA_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM, codec);
     }
 
     if (subtitle_language) {
@@ -3773,40 +3871,28 @@ static int opt_streamid(const char *opt, const char *arg)
     return 0;
 }
 
-static void opt_output_file(const char *filename)
+static int opt_output_file(const char *opt, const char *filename)
 {
     AVFormatContext *oc;
     int err, use_video, use_audio, use_subtitle, use_data;
     int input_has_video, input_has_audio, input_has_subtitle, input_has_data;
     AVOutputFormat *file_oformat;
 
+    if(nb_output_files >= FF_ARRAY_ELEMS(output_files)){
+        fprintf(stderr, "Too many output files\n");
+        ffmpeg_exit(1);
+    }
+
     if (!strcmp(filename, "-"))
         filename = "pipe:";
 
-    oc = avformat_alloc_context();
+    err = avformat_alloc_output_context2(&oc, NULL, last_asked_format, filename);
+    last_asked_format = NULL;
     if (!oc) {
-        print_error(filename, AVERROR(ENOMEM));
+        print_error(filename, err);
         ffmpeg_exit(1);
     }
-
-    if (last_asked_format) {
-        file_oformat = av_guess_format(last_asked_format, NULL, NULL);
-        if (!file_oformat) {
-            fprintf(stderr, "Requested output format '%s' is not a suitable output format\n", last_asked_format);
-            ffmpeg_exit(1);
-        }
-        last_asked_format = NULL;
-    } else {
-        file_oformat = av_guess_format(NULL, filename, NULL);
-        if (!file_oformat) {
-            fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
-                    filename);
-            ffmpeg_exit(1);
-        }
-    }
-
-    oc->oformat = file_oformat;
-    av_strlcpy(oc->filename, filename, sizeof(oc->filename));
+    file_oformat= oc->oformat;
 
     if (!strcmp(file_oformat->name, "ffm") &&
         av_strstart(filename, "http:", NULL)) {
@@ -3823,23 +3909,20 @@ static void opt_output_file(const char *filename)
         use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
         use_data = data_stream_copy ||  data_codec_name; /* XXX once generic data codec will be available add a ->data_codec reference and use it here */
 
-        /* disable if no corresponding type found and at least one
-           input file */
-        if (nb_input_files > 0) {
-            check_inputs(&input_has_video,
-                         &input_has_audio,
-                         &input_has_subtitle,
-                         &input_has_data);
-
-            if (!input_has_video)
-                use_video = 0;
-            if (!input_has_audio)
-                use_audio = 0;
-            if (!input_has_subtitle)
-                use_subtitle = 0;
-            if (!input_has_data)
-                use_data = 0;
-        }
+        /* disable if no corresponding type found */
+        check_inputs(&input_has_video,
+                     &input_has_audio,
+                     &input_has_subtitle,
+                     &input_has_data);
+
+        if (!input_has_video)
+            use_video = 0;
+        if (!input_has_audio)
+            use_audio = 0;
+        if (!input_has_subtitle)
+            use_subtitle = 0;
+        if (!input_has_data)
+            use_data = 0;
 
         /* manual disable */
         if (audio_disable)    use_audio    = 0;
@@ -3852,8 +3935,6 @@ static void opt_output_file(const char *filename)
         if (use_subtitle) new_subtitle_stream(oc, nb_output_files);
         if (use_data)     new_data_stream(oc, nb_output_files);
 
-        oc->timestamp = recording_timestamp;
-
         av_dict_copy(&oc->metadata, metadata, 0);
         av_dict_free(&metadata);
     }
@@ -3900,21 +3981,23 @@ static void opt_output_file(const char *filename)
 
     oc->preload= (int)(mux_preload*AV_TIME_BASE);
     oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
+
     if (loop_output >= 0) {
         av_log(NULL, AV_LOG_WARNING, "-loop_output is deprecated, use -loop\n");
         oc->loop_output = loop_output;
     }
-    oc->flags |= AVFMT_FLAG_NONBLOCK;
 
     frame_rate    = (AVRational){0, 0};
     frame_width   = 0;
     frame_height  = 0;
     audio_sample_rate = 0;
     audio_channels    = 0;
+    audio_sample_fmt  = AV_SAMPLE_FMT_NONE;
 
     av_freep(&forced_key_frames);
     uninit_opts();
     init_opts();
+    return 0;
 }
 
 /* same option as mencoder */
@@ -3977,16 +4060,18 @@ static void parse_matrix_coeffs(uint16_t *dest, const char *str)
     }
 }
 
-static void opt_inter_matrix(const char *arg)
+static int opt_inter_matrix(const char *opt, const char *arg)
 {
     inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
     parse_matrix_coeffs(inter_matrix, arg);
+    return 0;
 }
 
-static void opt_intra_matrix(const char *arg)
+static int opt_intra_matrix(const char *opt, const char *arg)
 {
     intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
     parse_matrix_coeffs(intra_matrix, arg);
+    return 0;
 }
 
 static void show_usage(void)
@@ -3996,7 +4081,7 @@ static void show_usage(void)
     printf("\n");
 }
 
-static void show_help(void)
+static int opt_help(const char *opt, const char *arg)
 {
     AVCodec *c;
     AVOutputFormat *oformat = NULL;
@@ -4060,6 +4145,7 @@ static void show_help(void)
     }
 
     av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
+    return 0;
 }
 
 static int opt_target(const char *opt, const char *arg)
@@ -4119,8 +4205,8 @@ static int opt_target(const char *opt, const char *arg)
     }
 
     if(!strcmp(arg, "vcd")) {
-        opt_video_codec("vcodec", "mpeg1video");
-        opt_audio_codec("vcodec", "mp2");
+        opt_codec("vcodec", "mpeg1video");
+        opt_codec("acodec", "mp2");
         opt_format("f", "vcd");
 
         opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
@@ -4147,12 +4233,13 @@ static int opt_target(const char *opt, const char *arg)
         mux_preload= (36000+3*1200) / 90000.0; //0.44
     } else if(!strcmp(arg, "svcd")) {
 
-        opt_video_codec("vcodec", "mpeg2video");
-        opt_audio_codec("acodec", "mp2");
+        opt_codec("vcodec", "mpeg2video");
+        opt_codec("acodec", "mp2");
         opt_format("f", "svcd");
 
         opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
         opt_frame_rate("r", frame_rates[norm]);
+        opt_frame_pix_fmt("pix_fmt", "yuv420p");
         opt_default("g", norm == PAL ? "15" : "18");
 
         opt_default("b", "2040000");
@@ -4169,12 +4256,13 @@ static int opt_target(const char *opt, const char *arg)
 
     } else if(!strcmp(arg, "dvd")) {
 
-        opt_video_codec("vcodec", "mpeg2video");
-        opt_audio_codec("vcodec", "ac3");
+        opt_codec("vcodec", "mpeg2video");
+        opt_codec("acodec", "ac3");
         opt_format("f", "dvd");
 
         opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
         opt_frame_rate("r", frame_rates[norm]);
+        opt_frame_pix_fmt("pix_fmt", "yuv420p");
         opt_default("g", norm == PAL ? "15" : "18");
 
         opt_default("b", "6000000");
@@ -4268,14 +4356,11 @@ static int opt_preset(const char *opt, const char *arg)
             fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
             ffmpeg_exit(1);
         }
-        if(!strcmp(tmp, "acodec")){
-            opt_audio_codec(tmp, tmp2);
-        }else if(!strcmp(tmp, "vcodec")){
-            opt_video_codec(tmp, tmp2);
-        }else if(!strcmp(tmp, "scodec")){
-            opt_subtitle_codec(tmp, tmp2);
-        }else if(!strcmp(tmp, "dcodec")){
-            opt_data_codec(tmp, tmp2);
+        if (!strcmp(tmp, "acodec") ||
+            !strcmp(tmp, "vcodec") ||
+            !strcmp(tmp, "scodec") ||
+            !strcmp(tmp, "dcodec")) {
+            opt_codec(tmp, tmp2);
         }else if(opt_default(tmp, tmp2) < 0){
             fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
             ffmpeg_exit(1);
@@ -4287,6 +4372,17 @@ static int opt_preset(const char *opt, const char *arg)
     return 0;
 }
 
+static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
+{
+}
+
+static int opt_passlogfile(const char *opt, const char *arg)
+{
+    pass_logfilename_prefix = arg;
+    opt_default("passlogfile", arg);
+    return 0;
+}
+
 static const OptionDef options[] = {
     /* main options */
 #include "cmdutils_common_opts.h"
@@ -4332,14 +4428,13 @@ static const OptionDef options[] = {
     { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)&copy_initial_nonkeyframes}, "copy initial non-keyframes" },
 
     /* video options */
-    { "b", HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
-    { "vb", HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
     { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
     { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
     { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
     { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
     { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format, 'list' as argument shows all the pixel formats supported", "format" },
-    { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
+    { "bits_per_raw_sample", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&frame_bits_per_raw_sample}, "set the number of bits per raw sample", "number" },
+    { "croptop",  HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
     { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
     { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
     { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
@@ -4353,12 +4448,12 @@ static const OptionDef options[] = {
     { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
     { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
     { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
-    { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
+    { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_codec}, "force video codec ('copy' to copy stream)", "codec" },
     { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold",  "threshold" },
     { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
       "use same quantizer as source (implies VBR)" },
     { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
-    { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
+    { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
     { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
       "deinterlace pictures" },
     { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
@@ -4380,13 +4475,12 @@ static const OptionDef options[] = {
     { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
 
     /* audio options */
-    { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
     { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
     { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
     { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
     { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
     { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
-    { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
+    { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_codec}, "force audio codec ('copy' to copy stream)", "codec" },
     { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
     { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
     { "newaudio", OPT_AUDIO, {(void*)opt_new_stream}, "add a new audio stream to the current output stream" },
@@ -4395,7 +4489,7 @@ static const OptionDef options[] = {
 
     /* subtitle options */
     { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
-    { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
+    { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
     { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_stream}, "add a new subtitle stream to the current output stream" },
     { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
     { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
@@ -4418,7 +4512,7 @@ static const OptionDef options[] = {
     { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
     { "fpre", HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
     /* data codec support */
-    { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
+    { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_codec}, "force data codec ('copy' to copy stream)", "codec" },
 
     { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
     { NULL, },
@@ -4430,6 +4524,14 @@ int main(int argc, char **argv)
 
     av_log_set_flags(AV_LOG_SKIP_REPEATED);
 
+    if(argc>1 && !strcmp(argv[1], "-d")){
+        run_as_daemon=1;
+        verbose=-1;
+        av_log_set_callback(log_callback_null);
+        argc--;
+        argv++;
+    }
+
     avcodec_register_all();
 #if CONFIG_AVDEVICE
     avdevice_register_all();
@@ -4439,11 +4541,15 @@ int main(int argc, char **argv)
 #endif
     av_register_all();
 
-    avio_set_interrupt_cb(decode_interrupt_cb);
+#if HAVE_ISATTY
+    if(isatty(STDIN_FILENO))
+        avio_set_interrupt_cb(decode_interrupt_cb);
+#endif
 
     init_opts();
 
-    show_banner();
+    if(verbose>=0)
+        show_banner();
 
     /* parse options */
     parse_options(argc, argv, options, opt_output_file);