avconv: split option parsing into a separate file.

1 files changed, 1915 insertions, 0 deletions

diff --git a/avconv_opt.c b/avconv_opt.c
new file mode 100644
index 0000000000..7b86d7613c
--- /dev/null
+++ b/avconv_opt.c
@@ -0,0 +1,1915 @@
+/*
+ * avconv option parsing
+ *
+ * This file is part of Libav.
+ *
+ * Libav 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,
+ * 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
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <stdint.h>
+
+#include "avconv.h"
+#include "cmdutils.h"
+
+#include "libavformat/avformat.h"
+
+#include "libavcodec/avcodec.h"
+
+#include "libavfilter/avfilter.h"
+#include "libavfilter/avfiltergraph.h"
+
+#include "libavutil/audioconvert.h"
+#include "libavutil/avassert.h"
+#include "libavutil/avstring.h"
+#include "libavutil/avutil.h"
+#include "libavutil/intreadwrite.h"
+#include "libavutil/fifo.h"
+#include "libavutil/mathematics.h"
+#include "libavutil/opt.h"
+#include "libavutil/parseutils.h"
+#include "libavutil/pixdesc.h"
+#include "libavutil/pixfmt.h"
+
+#define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
+{\
+    int i, ret;\
+    for (i = 0; i < o->nb_ ## name; i++) {\
+        char *spec = o->name[i].specifier;\
+        if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
+            outvar = o->name[i].u.type;\
+        else if (ret < 0)\
+            exit_program(1);\
+    }\
+}
+
+char *pass_logfilename_prefix = NULL;
+char *vstats_filename;
+
+float audio_drift_threshold = 0.1;
+float dts_delta_threshold   = 10;
+
+int audio_volume      = 256;
+int audio_sync_method = 0;
+int video_sync_method = VSYNC_AUTO;
+int do_deinterlace    = 0;
+int do_benchmark      = 0;
+int do_hex_dump       = 0;
+int do_pkt_dump       = 0;
+int copy_ts           = 0;
+int copy_tb           = 1;
+int opt_shortest      = 0;
+int exit_on_error     = 0;
+int print_stats       = 1;
+int qp_hist           = 0;
+int same_quant        = 0;
+
+static int file_overwrite     = 0;
+static int video_discard      = 0;
+static int intra_dc_precision = 8;
+static int do_pass            = 0;
+static int using_stdin        = 0;
+static int input_sync;
+
+void reset_options(OptionsContext *o)
+{
+    const OptionDef *po = options;
+    int i;
+
+    /* all OPT_SPEC and OPT_STRING can be freed in generic way */
+    while (po->name) {
+        void *dst = (uint8_t*)o + po->u.off;
+
+        if (po->flags & OPT_SPEC) {
+            SpecifierOpt **so = dst;
+            int i, *count = (int*)(so + 1);
+            for (i = 0; i < *count; i++) {
+                av_freep(&(*so)[i].specifier);
+                if (po->flags & OPT_STRING)
+                    av_freep(&(*so)[i].u.str);
+            }
+            av_freep(so);
+            *count = 0;
+        } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
+            av_freep(dst);
+        po++;
+    }
+
+    for (i = 0; i < o->nb_stream_maps; i++)
+        av_freep(&o->stream_maps[i].linklabel);
+    av_freep(&o->stream_maps);
+    av_freep(&o->meta_data_maps);
+    av_freep(&o->streamid_map);
+
+    memset(o, 0, sizeof(*o));
+
+    o->mux_max_delay  = 0.7;
+    o->recording_time = INT64_MAX;
+    o->limit_filesize = UINT64_MAX;
+    o->chapters_input_file = INT_MAX;
+
+    uninit_opts();
+    init_opts();
+}
+
+
+static double parse_frame_aspect_ratio(const char *arg)
+{
+    int x = 0, y = 0;
+    double ar = 0;
+    const char *p;
+    char *end;
+
+    p = strchr(arg, ':');
+    if (p) {
+        x = strtol(arg, &end, 10);
+        if (end == p)
+            y = strtol(end + 1, &end, 10);
+        if (x > 0 && y > 0)
+            ar = (double)x / (double)y;
+    } else
+        ar = strtod(arg, NULL);
+
+    if (!ar) {
+        av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
+        exit_program(1);
+    }
+    return ar;
+}
+
+static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
+{
+    return parse_option(o, "codec:a", arg, options);
+}
+
+static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
+{
+    return parse_option(o, "codec:v", arg, options);
+}
+
+static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
+{
+    return parse_option(o, "codec:s", arg, options);
+}
+
+static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
+{
+    return parse_option(o, "codec:d", arg, options);
+}
+
+static int opt_map(OptionsContext *o, const char *opt, const char *arg)
+{
+    StreamMap *m = NULL;
+    int i, negative = 0, file_idx;
+    int sync_file_idx = -1, sync_stream_idx;
+    char *p, *sync;
+    char *map;
+
+    if (*arg == '-') {
+        negative = 1;
+        arg++;
+    }
+    map = av_strdup(arg);
+
+    /* parse sync stream first, just pick first matching stream */
+    if (sync = strchr(map, ',')) {
+        *sync = 0;
+        sync_file_idx = strtol(sync + 1, &sync, 0);
+        if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
+            av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
+            exit_program(1);
+        }
+        if (*sync)
+            sync++;
+        for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
+            if (check_stream_specifier(input_files[sync_file_idx]->ctx,
+                                       input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
+                sync_stream_idx = i;
+                break;
+            }
+        if (i == input_files[sync_file_idx]->nb_streams) {
+            av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
+                                       "match any streams.\n", arg);
+            exit_program(1);
+        }
+    }
+
+
+    if (map[0] == '[') {
+        /* this mapping refers to lavfi output */
+        const char *c = map + 1;
+        o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
+                                    &o->nb_stream_maps, o->nb_stream_maps + 1);
+        m = &o->stream_maps[o->nb_stream_maps - 1];
+        m->linklabel = av_get_token(&c, "]");
+        if (!m->linklabel) {
+            av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
+            exit_program(1);
+        }
+    } else {
+        file_idx = strtol(map, &p, 0);
+        if (file_idx >= nb_input_files || file_idx < 0) {
+            av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
+            exit_program(1);
+        }
+        if (negative)
+            /* disable some already defined maps */
+            for (i = 0; i < o->nb_stream_maps; i++) {
+                m = &o->stream_maps[i];
+                if (file_idx == m->file_index &&
+                    check_stream_specifier(input_files[m->file_index]->ctx,
+                                           input_files[m->file_index]->ctx->streams[m->stream_index],
+                                           *p == ':' ? p + 1 : p) > 0)
+                    m->disabled = 1;
+            }
+        else
+            for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
+                if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
+                            *p == ':' ? p + 1 : p) <= 0)
+                    continue;
+                o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
+                                            &o->nb_stream_maps, o->nb_stream_maps + 1);
+                m = &o->stream_maps[o->nb_stream_maps - 1];
+
+                m->file_index   = file_idx;
+                m->stream_index = i;
+
+                if (sync_file_idx >= 0) {
+                    m->sync_file_index   = sync_file_idx;
+                    m->sync_stream_index = sync_stream_idx;
+                } else {
+                    m->sync_file_index   = file_idx;
+                    m->sync_stream_index = i;
+                }
+            }
+    }
+
+    if (!m) {
+        av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
+        exit_program(1);
+    }
+
+    av_freep(&map);
+    return 0;
+}
+
+static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
+{
+    o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
+                                &o->nb_attachments, o->nb_attachments + 1);
+    o->attachments[o->nb_attachments - 1] = arg;
+    return 0;
+}
+
+/**
+ * Parse a metadata specifier in arg.
+ * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
+ * @param index for type c/p, chapter/program index is written here
+ * @param stream_spec for type s, the stream specifier is written here
+ */
+static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
+{
+    if (*arg) {
+        *type = *arg;
+        switch (*arg) {
+        case 'g':
+            break;
+        case 's':
+            if (*(++arg) && *arg != ':') {
+                av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
+                exit_program(1);
+            }
+            *stream_spec = *arg == ':' ? arg + 1 : "";
+            break;
+        case 'c':
+        case 'p':
+            if (*(++arg) == ':')
+                *index = strtol(++arg, NULL, 0);
+            break;
+        default:
+            av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
+            exit_program(1);
+        }
+    } else
+        *type = 'g';
+}
+
+static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
+{
+    AVDictionary **meta_in = NULL;
+    AVDictionary **meta_out;
+    int i, ret = 0;
+    char type_in, type_out;
+    const char *istream_spec = NULL, *ostream_spec = NULL;
+    int idx_in = 0, idx_out = 0;
+
+    parse_meta_type(inspec,  &type_in,  &idx_in,  &istream_spec);
+    parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
+
+    if (type_in == 'g' || type_out == 'g')
+        o->metadata_global_manual = 1;
+    if (type_in == 's' || type_out == 's')
+        o->metadata_streams_manual = 1;
+    if (type_in == 'c' || type_out == 'c')
+        o->metadata_chapters_manual = 1;
+
+#define METADATA_CHECK_INDEX(index, nb_elems, desc)\
+    if ((index) < 0 || (index) >= (nb_elems)) {\
+        av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
+                (desc), (index));\
+        exit_program(1);\
+    }
+
+#define SET_DICT(type, meta, context, index)\
+        switch (type) {\
+        case 'g':\
+            meta = &context->metadata;\
+            break;\
+        case 'c':\
+            METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
+            meta = &context->chapters[index]->metadata;\
+            break;\
+        case 'p':\
+            METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
+            meta = &context->programs[index]->metadata;\
+            break;\
+        default: av_assert0(0);\
+        }\
+
+    SET_DICT(type_in, meta_in, ic, idx_in);
+    SET_DICT(type_out, meta_out, oc, idx_out);
+
+    /* for input streams choose first matching stream */
+    if (type_in == 's') {
+        for (i = 0; i < ic->nb_streams; i++) {
+            if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
+                meta_in = &ic->streams[i]->metadata;
+                break;
+            } else if (ret < 0)
+                exit_program(1);
+        }
+        if (!meta_in) {
+            av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match  any streams.\n", istream_spec);
+            exit_program(1);
+        }
+    }
+
+    if (type_out == 's') {
+        for (i = 0; i < oc->nb_streams; i++) {
+            if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
+                meta_out = &oc->streams[i]->metadata;
+                av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
+            } else if (ret < 0)
+                exit_program(1);
+        }
+    } else
+        av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
+
+    return 0;
+}
+
+static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
+{
+    const char *codec_string = encoder ? "encoder" : "decoder";
+    AVCodec *codec;
+
+    codec = encoder ?
+        avcodec_find_encoder_by_name(name) :
+        avcodec_find_decoder_by_name(name);
+    if (!codec) {
+        av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
+        exit_program(1);
+    }
+    if (codec->type != type) {
+        av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
+        exit_program(1);
+    }
+    return codec;
+}
+
+static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
+{
+    char *codec_name = NULL;
+
+    MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
+    if (codec_name) {
+        AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
+        st->codec->codec_id = codec->id;
+        return codec;
+    } else
+        return avcodec_find_decoder(st->codec->codec_id);
+}
+
+/**
+ * Add all the streams from the given input file to the global
+ * list of input streams.
+ */
+static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
+{
+    int i;
+
+    for (i = 0; i < ic->nb_streams; i++) {
+        AVStream *st = ic->streams[i];
+        AVCodecContext *dec = st->codec;
+        InputStream *ist = av_mallocz(sizeof(*ist));
+        char *framerate = NULL;
+
+        if (!ist)
+            exit_program(1);
+
+        input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
+        input_streams[nb_input_streams - 1] = ist;
+
+        ist->st = st;
+        ist->file_index = nb_input_files;
+        ist->discard = 1;
+        st->discard  = AVDISCARD_ALL;
+        ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st, NULL);
+
+        ist->ts_scale = 1.0;
+        MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
+
+        ist->dec = choose_decoder(o, ic, st);
+
+        switch (dec->codec_type) {
+        case AVMEDIA_TYPE_VIDEO:
+            ist->resample_height  = dec->height;
+            ist->resample_width   = dec->width;
+            ist->resample_pix_fmt = dec->pix_fmt;
+
+            MATCH_PER_STREAM_OPT(frame_rates, str, framerate, ic, st);
+            if (framerate && av_parse_video_rate(&ist->framerate,
+                                                 framerate) < 0) {
+                av_log(NULL, AV_LOG_ERROR, "Error parsing framerate %s.\n",
+                       framerate);
+                exit_program(1);
+            }
+
+            break;
+        case AVMEDIA_TYPE_AUDIO:
+            guess_input_channel_layout(ist);
+
+            ist->resample_sample_fmt     = dec->sample_fmt;
+            ist->resample_sample_rate    = dec->sample_rate;
+            ist->resample_channels       = dec->channels;
+            ist->resample_channel_layout = dec->channel_layout;
+
+            break;
+        case AVMEDIA_TYPE_DATA:
+        case AVMEDIA_TYPE_SUBTITLE:
+        case AVMEDIA_TYPE_ATTACHMENT:
+        case AVMEDIA_TYPE_UNKNOWN:
+            break;
+        default:
+            abort();
+        }
+    }
+}
+
+static void assert_file_overwrite(const char *filename)
+{
+    if (!file_overwrite &&
+        (strchr(filename, ':') == NULL || filename[1] == ':' ||
+         av_strstart(filename, "file:", NULL))) {
+        if (avio_check(filename, 0) == 0) {
+            if (!using_stdin) {
+                fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
+                fflush(stderr);
+                if (!read_yesno()) {
+                    fprintf(stderr, "Not overwriting - exiting\n");
+                    exit_program(1);
+                }
+            }
+            else {
+                fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
+                exit_program(1);
+            }
+        }
+    }
+}
+
+static void dump_attachment(AVStream *st, const char *filename)
+{
+    int ret;
+    AVIOContext *out = NULL;
+    AVDictionaryEntry *e;
+
+    if (!st->codec->extradata_size) {
+        av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
+               nb_input_files - 1, st->index);
+        return;
+    }
+    if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
+        filename = e->value;
+    if (!*filename) {
+        av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
+               "in stream #%d:%d.\n", nb_input_files - 1, st->index);
+        exit_program(1);
+    }
+
+    assert_file_overwrite(filename);
+
+    if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
+        av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
+               filename);
+        exit_program(1);
+    }
+
+    avio_write(out, st->codec->extradata, st->codec->extradata_size);
+    avio_flush(out);
+    avio_close(out);
+}
+
+static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
+{
+    AVFormatContext *ic;
+    AVInputFormat *file_iformat = NULL;
+    int err, i, ret;
+    int64_t timestamp;
+    uint8_t buf[128];
+    AVDictionary **opts;
+    int orig_nb_streams;                     // number of streams before avformat_find_stream_info
+
+    if (o->format) {
+        if (!(file_iformat = av_find_input_format(o->format))) {
+            av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
+            exit_program(1);
+        }
+    }
+
+    if (!strcmp(filename, "-"))
+        filename = "pipe:";
+
+    using_stdin |= !strncmp(filename, "pipe:", 5) ||
+                    !strcmp(filename, "/dev/stdin");
+
+    /* get default parameters from command line */
+    ic = avformat_alloc_context();
+    if (!ic) {
+        print_error(filename, AVERROR(ENOMEM));
+        exit_program(1);
+    }
+    if (o->nb_audio_sample_rate) {
+        snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
+        av_dict_set(&format_opts, "sample_rate", buf, 0);
+    }
+    if (o->nb_audio_channels) {
+        /* because we set audio_channels based on both the "ac" and
+         * "channel_layout" options, we need to check that the specified
+         * demuxer actually has the "channels" option before setting it */
+        if (file_iformat && file_iformat->priv_class &&
+            av_opt_find(&file_iformat->priv_class, "channels", NULL, 0,
+                        AV_OPT_SEARCH_FAKE_OBJ)) {
+            snprintf(buf, sizeof(buf), "%d",
+                     o->audio_channels[o->nb_audio_channels - 1].u.i);
+            av_dict_set(&format_opts, "channels", buf, 0);
+        }
+    }
+    if (o->nb_frame_rates) {
+        /* set the format-level framerate option;
+         * this is important for video grabbers, e.g. x11 */
+        if (file_iformat && file_iformat->priv_class &&
+            av_opt_find(&file_iformat->priv_class, "framerate", NULL, 0,
+                        AV_OPT_SEARCH_FAKE_OBJ)) {
+            av_dict_set(&format_opts, "framerate",
+                        o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
+        }
+    }
+    if (o->nb_frame_sizes) {
+        av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
+    }
+    if (o->nb_frame_pix_fmts)
+        av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
+
+    ic->flags |= AVFMT_FLAG_NONBLOCK;
+    ic->interrupt_callback = int_cb;
+
+    /* open the input file with generic libav function */
+    err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
+    if (err < 0) {
+        print_error(filename, err);
+        exit_program(1);
+    }
+    assert_avoptions(format_opts);
+
+    /* apply forced codec ids */
+    for (i = 0; i < ic->nb_streams; i++)
+        choose_decoder(o, ic, ic->streams[i]);
+
+    /* Set AVCodecContext options for avformat_find_stream_info */
+    opts = setup_find_stream_info_opts(ic, codec_opts);
+    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 = avformat_find_stream_info(ic, opts);
+    if (ret < 0) {
+        av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
+        avformat_close_input(&ic);
+        exit_program(1);
+    }
+
+    timestamp = o->start_time;
+    /* add the stream start time */
+    if (ic->start_time != AV_NOPTS_VALUE)
+        timestamp += ic->start_time;
+
+    /* if seeking requested, we execute it */
+    if (o->start_time != 0) {
+        ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
+        if (ret < 0) {
+            av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
+                   filename, (double)timestamp / AV_TIME_BASE);
+        }
+    }
+
+    /* update the current parameters so that they match the one of the input stream */
+    add_input_streams(o, ic);
+
+    /* dump the file content */
+    av_dump_format(ic, nb_input_files, filename, 0);
+
+    input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
+    if (!(input_files[nb_input_files - 1] = av_mallocz(sizeof(*input_files[0]))))
+        exit_program(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  = o->input_ts_offset - (copy_ts ? 0 : timestamp);
+    input_files[nb_input_files - 1]->nb_streams = ic->nb_streams;
+    input_files[nb_input_files - 1]->rate_emu   = o->rate_emu;
+
+    for (i = 0; i < o->nb_dump_attachment; i++) {
+        int j;
+
+        for (j = 0; j < ic->nb_streams; j++) {
+            AVStream *st = ic->streams[j];
+
+            if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
+                dump_attachment(st, o->dump_attachment[i].u.str);
+        }
+    }
+
+    for (i = 0; i < orig_nb_streams; i++)
+        av_dict_free(&opts[i]);
+    av_freep(&opts);
+
+    reset_options(o);
+    return 0;
+}
+
+static uint8_t *get_line(AVIOContext *s)
+{
+    AVIOContext *line;
+    uint8_t *buf;
+    char c;
+
+    if (avio_open_dyn_buf(&line) < 0) {
+        av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
+        exit_program(1);
+    }
+
+    while ((c = avio_r8(s)) && c != '\n')
+        avio_w8(line, c);
+    avio_w8(line, 0);
+    avio_close_dyn_buf(line, &buf);
+
+    return buf;
+}
+
+static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
+{
+    int i, ret = 1;
+    char filename[1000];
+    const char *base[3] = { getenv("AVCONV_DATADIR"),
+                            getenv("HOME"),
+                            AVCONV_DATADIR,
+                            };
+
+    for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
+        if (!base[i])
+            continue;
+        if (codec_name) {
+            snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
+                     i != 1 ? "" : "/.avconv", codec_name, preset_name);
+            ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
+        }
+        if (ret) {
+            snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
+                     i != 1 ? "" : "/.avconv", preset_name);
+            ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
+        }
+    }
+    return ret;
+}
+
+static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
+{
+    char *codec_name = NULL;
+
+    MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
+    if (!codec_name) {
+        ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
+                                                  NULL, ost->st->codec->codec_type);
+        ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
+    } else if (!strcmp(codec_name, "copy"))
+        ost->stream_copy = 1;
+    else {
+        ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
+        ost->st->codec->codec_id = ost->enc->id;
+    }
+}
+
+static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
+{
+    OutputStream *ost;
+    AVStream *st = avformat_new_stream(oc, NULL);
+    int idx      = oc->nb_streams - 1, ret = 0;
+    char *bsf = NULL, *next, *codec_tag = NULL;
+    AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
+    double qscale = -1;
+    char *buf = NULL, *arg = NULL, *preset = NULL;
+    AVIOContext *s = NULL;
+
+    if (!st) {
+        av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
+        exit_program(1);
+    }
+
+    if (oc->nb_streams - 1 < o->nb_streamid_map)
+        st->id = o->streamid_map[oc->nb_streams - 1];
+
+    output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
+                                nb_output_streams + 1);
+    if (!(ost = av_mallocz(sizeof(*ost))))
+        exit_program(1);
+    output_streams[nb_output_streams - 1] = ost;
+
+    ost->file_index = nb_output_files;
+    ost->index      = idx;
+    ost->st         = st;
+    st->codec->codec_type = type;
+    choose_encoder(o, oc, ost);
+    if (ost->enc) {
+        ost->opts  = filter_codec_opts(codec_opts, ost->enc->id, oc, st, ost->enc);
+    }
+
+    avcodec_get_context_defaults3(st->codec, ost->enc);
+    st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
+
+    MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
+    if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
+        do  {
+            buf = get_line(s);
+            if (!buf[0] || buf[0] == '#') {
+                av_free(buf);
+                continue;
+            }
+            if (!(arg = strchr(buf, '='))) {
+                av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
+                exit_program(1);
+            }
+            *arg++ = 0;
+            av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
+            av_free(buf);
+        } while (!s->eof_reached);
+        avio_close(s);
+    }
+    if (ret) {
+        av_log(NULL, AV_LOG_FATAL,
+               "Preset %s specified for stream %d:%d, but could not be opened.\n",
+               preset, ost->file_index, ost->index);
+        exit_program(1);
+    }
+
+    ost->max_frames = INT64_MAX;
+    MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
+
+    MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
+    while (bsf) {
+        if (next = strchr(bsf, ','))
+            *next++ = 0;
+        if (!(bsfc = av_bitstream_filter_init(bsf))) {
+            av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
+            exit_program(1);
+        }
+        if (bsfc_prev)
+            bsfc_prev->next = bsfc;
+        else
+            ost->bitstream_filters = bsfc;
+
+        bsfc_prev = bsfc;
+        bsf       = next;
+    }
+
+    MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
+    if (codec_tag) {
+        uint32_t tag = strtol(codec_tag, &next, 0);
+        if (*next)
+            tag = AV_RL32(codec_tag);
+        st->codec->codec_tag = tag;
+    }
+
+    MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
+    if (qscale >= 0 || same_quant) {
+        st->codec->flags |= CODEC_FLAG_QSCALE;
+        st->codec->global_quality = FF_QP2LAMBDA * qscale;
+    }
+
+    if (oc->oformat->flags & AVFMT_GLOBALHEADER)
+        st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
+
+    av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
+
+    ost->pix_fmts[0] = ost->pix_fmts[1] = PIX_FMT_NONE;
+
+    return ost;
+}
+
+static void parse_matrix_coeffs(uint16_t *dest, const char *str)
+{
+    int i;
+    const char *p = str;
+    for (i = 0;; i++) {
+        dest[i] = atoi(p);
+        if (i == 63)
+            break;
+        p = strchr(p, ',');
+        if (!p) {
+            av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
+            exit_program(1);
+        }
+        p++;
+    }
+}
+
+static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
+{
+    AVStream *st;
+    OutputStream *ost;
+    AVCodecContext *video_enc;
+
+    ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
+    st  = ost->st;
+    video_enc = st->codec;
+
+    if (!ost->stream_copy) {
+        const char *p = NULL;
+        char *frame_rate = NULL, *frame_size = NULL;
+        char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
+        char *intra_matrix = NULL, *inter_matrix = NULL;
+        const char *filters = "null";
+        int i;
+
+        MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
+        if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
+            av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
+            exit_program(1);
+        }
+
+        MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
+        if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
+            av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
+            exit_program(1);
+        }
+
+        MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
+        if (frame_aspect_ratio)
+            ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
+
+        MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
+        if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
+            av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
+            exit_program(1);
+        }
+        st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
+
+        MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
+        if (intra_matrix) {
+            if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
+                av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
+                exit_program(1);
+            }
+            parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
+        }
+        MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
+        if (inter_matrix) {
+            if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
+                av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
+                exit_program(1);
+            }
+            parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
+        }
+
+        MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
+        for (i = 0; p; i++) {
+            int start, end, q;
+            int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
+            if (e != 3) {
+                av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
+                exit_program(1);
+            }
+            video_enc->rc_override =
+                av_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;
+        if (!video_enc->rc_initial_buffer_occupancy)
+            video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
+        video_enc->intra_dc_precision = intra_dc_precision - 8;
+
+        /* two pass mode */
+        if (do_pass) {
+            if (do_pass == 1) {
+                video_enc->flags |= CODEC_FLAG_PASS1;
+            } else {
+                video_enc->flags |= CODEC_FLAG_PASS2;
+            }
+        }
+
+        MATCH_PER_STREAM_OPT(forced_key_frames, str, ost->forced_keyframes, oc, st);
+        if (ost->forced_keyframes)
+            ost->forced_keyframes = av_strdup(ost->forced_keyframes);
+
+        MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
+
+        ost->top_field_first = -1;
+        MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
+
+        MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
+        ost->avfilter = av_strdup(filters);
+    } else {
+        MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
+    }
+
+    return ost;
+}
+
+static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
+{
+    AVStream *st;
+    OutputStream *ost;
+    AVCodecContext *audio_enc;
+
+    ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
+    st  = ost->st;
+
+    audio_enc = st->codec;
+    audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
+
+    if (!ost->stream_copy) {
+        char *sample_fmt = NULL;
+        const char *filters = "anull";
+
+        MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
+
+        MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
+        if (sample_fmt &&
+            (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
+            av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
+            exit_program(1);
+        }
+
+        MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
+
+        MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
+        ost->avfilter = av_strdup(filters);
+    }
+
+    return ost;
+}
+
+static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
+{
+    OutputStream *ost;
+
+    ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
+    if (!ost->stream_copy) {
+        av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
+        exit_program(1);
+    }
+
+    return ost;
+}
+
+static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
+{
+    OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
+    ost->stream_copy = 1;
+    return ost;
+}
+
+static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
+{
+    AVStream *st;
+    OutputStream *ost;
+    AVCodecContext *subtitle_enc;
+
+    ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
+    st  = ost->st;
+    subtitle_enc = st->codec;
+
+    subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
+
+    return ost;
+}
+
+/* arg format is "output-stream-index:streamid-value". */
+static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
+{
+    int idx;
+    char *p;
+    char idx_str[16];
+
+    av_strlcpy(idx_str, arg, sizeof(idx_str));
+    p = strchr(idx_str, ':');
+    if (!p) {
+        av_log(NULL, AV_LOG_FATAL,
+               "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
+               arg, opt);
+        exit_program(1);
+    }
+    *p++ = '\0';
+    idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
+    o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
+    o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
+    return 0;
+}
+
+static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
+{
+    AVFormatContext *is = ifile->ctx;
+    AVFormatContext *os = ofile->ctx;
+    int i;
+
+    for (i = 0; i < is->nb_chapters; i++) {
+        AVChapter *in_ch = is->chapters[i], *out_ch;
+        int64_t ts_off   = av_rescale_q(ofile->start_time - ifile->ts_offset,
+                                       AV_TIME_BASE_Q, in_ch->time_base);
+        int64_t rt       = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
+                           av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
+
+
+        if (in_ch->end < ts_off)
+            continue;
+        if (rt != INT64_MAX && in_ch->start > rt + ts_off)
+            break;
+
+        out_ch = av_mallocz(sizeof(AVChapter));
+        if (!out_ch)
+            return AVERROR(ENOMEM);
+
+        out_ch->id        = in_ch->id;
+        out_ch->time_base = in_ch->time_base;
+        out_ch->start     = FFMAX(0,  in_ch->start - ts_off);
+        out_ch->end       = FFMIN(rt, in_ch->end   - ts_off);
+
+        if (copy_metadata)
+            av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
+
+        os->nb_chapters++;
+        os->chapters = av_realloc(os->chapters, sizeof(AVChapter) * os->nb_chapters);
+        if (!os->chapters)
+            return AVERROR(ENOMEM);
+        os->chapters[os->nb_chapters - 1] = out_ch;
+    }
+    return 0;
+}
+
+static void init_output_filter(OutputFilter *ofilter, OptionsContext *o,
+                               AVFormatContext *oc)
+{
+    OutputStream *ost;
+
+    switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
+                                  ofilter->out_tmp->pad_idx)) {
+    case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
+    case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
+    default:
+        av_log(NULL, AV_LOG_FATAL, "Only video and audio filters are supported "
+               "currently.\n");
+        exit_program(1);
+    }
+
+    ost->source_index = -1;
+    ost->filter       = ofilter;
+
+    ofilter->ost      = ost;
+
+    if (ost->stream_copy) {
+        av_log(NULL, AV_LOG_ERROR, "Streamcopy requested for output stream %d:%d, "
+               "which is fed from a complex filtergraph. Filtering and streamcopy "
+               "cannot be used together.\n", ost->file_index, ost->index);
+        exit_program(1);
+    }
+
+    if (configure_output_filter(ofilter->graph, ofilter, ofilter->out_tmp) < 0) {
+        av_log(NULL, AV_LOG_FATAL, "Error configuring filter.\n");
+        exit_program(1);
+    }
+    avfilter_inout_free(&ofilter->out_tmp);
+}
+
+static int configure_complex_filters(void)
+{
+    int i, ret = 0;
+
+    for (i = 0; i < nb_filtergraphs; i++)
+        if (!filtergraphs[i]->graph &&
+            (ret = configure_filtergraph(filtergraphs[i])) < 0)
+            return ret;
+    return 0;
+}
+
+void opt_output_file(void *optctx, const char *filename)
+{
+    OptionsContext *o = optctx;
+    AVFormatContext *oc;
+    int i, j, err;
+    AVOutputFormat *file_oformat;
+    OutputStream *ost;
+    InputStream  *ist;
+
+    if (configure_complex_filters() < 0) {
+        av_log(NULL, AV_LOG_FATAL, "Error configuring filters.\n");
+        exit_program(1);
+    }
+
+    if (!strcmp(filename, "-"))
+        filename = "pipe:";
+
+    oc = avformat_alloc_context();
+    if (!oc) {
+        print_error(filename, AVERROR(ENOMEM));
+        exit_program(1);
+    }
+
+    if (o->format) {
+        file_oformat = av_guess_format(o->format, NULL, NULL);
+        if (!file_oformat) {
+            av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format);
+            exit_program(1);
+        }
+    } else {
+        file_oformat = av_guess_format(NULL, filename, NULL);
+        if (!file_oformat) {
+            av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n",
+                   filename);
+            exit_program(1);
+        }
+    }
+
+    oc->oformat = file_oformat;
+    oc->interrupt_callback = int_cb;
+    av_strlcpy(oc->filename, filename, sizeof(oc->filename));
+
+    /* create streams for all unlabeled output pads */
+    for (i = 0; i < nb_filtergraphs; i++) {
+        FilterGraph *fg = filtergraphs[i];
+        for (j = 0; j < fg->nb_outputs; j++) {
+            OutputFilter *ofilter = fg->outputs[j];
+
+            if (!ofilter->out_tmp || ofilter->out_tmp->name)
+                continue;
+
+            switch (avfilter_pad_get_type(ofilter->out_tmp->filter_ctx->output_pads,
+                                          ofilter->out_tmp->pad_idx)) {
+            case AVMEDIA_TYPE_VIDEO:    o->video_disable    = 1; break;
+            case AVMEDIA_TYPE_AUDIO:    o->audio_disable    = 1; break;
+            case AVMEDIA_TYPE_SUBTITLE: o->subtitle_disable = 1; break;
+            }
+            init_output_filter(ofilter, o, oc);
+        }
+    }
+
+    if (!o->nb_stream_maps) {
+        /* pick the "best" stream of each type */
+#define NEW_STREAM(type, index)\
+        if (index >= 0) {\
+            ost = new_ ## type ## _stream(o, oc);\
+            ost->source_index = index;\
+            ost->sync_ist     = input_streams[index];\
+            input_streams[index]->discard = 0;\
+            input_streams[index]->st->discard = AVDISCARD_NONE;\
+        }
+
+        /* video: highest resolution */
+        if (!o->video_disable && oc->oformat->video_codec != AV_CODEC_ID_NONE) {
+            int area = 0, idx = -1;
+            for (i = 0; i < nb_input_streams; i++) {
+                ist = input_streams[i];
+                if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
+                    ist->st->codec->width * ist->st->codec->height > area) {
+                    area = ist->st->codec->width * ist->st->codec->height;
+                    idx = i;
+                }
+            }
+            NEW_STREAM(video, idx);
+        }
+
+        /* audio: most channels */
+        if (!o->audio_disable && oc->oformat->audio_codec != AV_CODEC_ID_NONE) {
+            int channels = 0, idx = -1;
+            for (i = 0; i < nb_input_streams; i++) {
+                ist = input_streams[i];
+                if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
+                    ist->st->codec->channels > channels) {
+                    channels = ist->st->codec->channels;
+                    idx = i;
+                }
+            }
+            NEW_STREAM(audio, idx);
+        }
+
+        /* subtitles: pick first */
+        if (!o->subtitle_disable && oc->oformat->subtitle_codec != AV_CODEC_ID_NONE) {
+            for (i = 0; i < nb_input_streams; i++)
+                if (input_streams[i]->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
+                    NEW_STREAM(subtitle, i);
+                    break;
+                }
+        }
+        /* do something with data? */
+    } else {
+        for (i = 0; i < o->nb_stream_maps; i++) {
+            StreamMap *map = &o->stream_maps[i];
+
+            if (map->disabled)
+                continue;
+
+            if (map->linklabel) {
+                FilterGraph *fg;
+                OutputFilter *ofilter = NULL;
+                int j, k;
+
+                for (j = 0; j < nb_filtergraphs; j++) {
+                    fg = filtergraphs[j];
+                    for (k = 0; k < fg->nb_outputs; k++) {
+                        AVFilterInOut *out = fg->outputs[k]->out_tmp;
+                        if (out && !strcmp(out->name, map->linklabel)) {
+                            ofilter = fg->outputs[k];
+                            goto loop_end;
+                        }
+                    }
+                }
+loop_end:
+                if (!ofilter) {
+                    av_log(NULL, AV_LOG_FATAL, "Output with label '%s' does not exist "
+                           "in any defined filter graph.\n", map->linklabel);
+                    exit_program(1);
+                }
+                init_output_filter(ofilter, o, oc);
+            } else {
+                ist = input_streams[input_files[map->file_index]->ist_index + map->stream_index];
+                switch (ist->st->codec->codec_type) {
+                case AVMEDIA_TYPE_VIDEO:    ost = new_video_stream(o, oc);    break;
+                case AVMEDIA_TYPE_AUDIO:    ost = new_audio_stream(o, oc);    break;
+                case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
+                case AVMEDIA_TYPE_DATA:     ost = new_data_stream(o, oc);     break;
+                case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
+                default:
+                    av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
+                           map->file_index, map->stream_index);
+                    exit_program(1);
+                }
+
+                ost->source_index = input_files[map->file_index]->ist_index + map->stream_index;
+                ost->sync_ist     = input_streams[input_files[map->sync_file_index]->ist_index +
+                                               map->sync_stream_index];
+                ist->discard = 0;
+                ist->st->discard = AVDISCARD_NONE;
+            }
+        }
+    }
+
+    /* handle attached files */
+    for (i = 0; i < o->nb_attachments; i++) {
+        AVIOContext *pb;
+        uint8_t *attachment;
+        const char *p;
+        int64_t len;
+
+        if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
+            av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
+                   o->attachments[i]);
+            exit_program(1);
+        }
+        if ((len = avio_size(pb)) <= 0) {
+            av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
+                   o->attachments[i]);
+            exit_program(1);
+        }
+        if (!(attachment = av_malloc(len))) {
+            av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
+                   o->attachments[i]);
+            exit_program(1);
+        }
+        avio_read(pb, attachment, len);
+
+        ost = new_attachment_stream(o, oc);
+        ost->stream_copy               = 0;
+        ost->source_index              = -1;
+        ost->attachment_filename       = o->attachments[i];
+        ost->st->codec->extradata      = attachment;
+        ost->st->codec->extradata_size = len;
+
+        p = strrchr(o->attachments[i], '/');
+        av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
+        avio_close(pb);
+    }
+
+    output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
+    if (!(output_files[nb_output_files - 1] = av_mallocz(sizeof(*output_files[0]))))
+        exit_program(1);
+
+    output_files[nb_output_files - 1]->ctx            = oc;
+    output_files[nb_output_files - 1]->ost_index      = nb_output_streams - oc->nb_streams;
+    output_files[nb_output_files - 1]->recording_time = o->recording_time;
+    if (o->recording_time != INT64_MAX)
+        oc->duration = o->recording_time;
+    output_files[nb_output_files - 1]->start_time     = o->start_time;
+    output_files[nb_output_files - 1]->limit_filesize = o->limit_filesize;
+    av_dict_copy(&output_files[nb_output_files - 1]->opts, format_opts, 0);
+
+    /* check filename in case of an image number is expected */
+    if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
+        if (!av_filename_number_test(oc->filename)) {
+            print_error(oc->filename, AVERROR(EINVAL));
+            exit_program(1);
+        }
+    }
+
+    if (!(oc->oformat->flags & AVFMT_NOFILE)) {
+        /* test if it already exists to avoid losing precious files */
+        assert_file_overwrite(filename);
+
+        /* open the file */
+        if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
+                              &oc->interrupt_callback,
+                              &output_files[nb_output_files - 1]->opts)) < 0) {
+            print_error(filename, err);
+            exit_program(1);
+        }
+    }
+
+    if (o->mux_preload) {
+        uint8_t buf[64];
+        snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
+        av_dict_set(&output_files[nb_output_files - 1]->opts, "preload", buf, 0);
+    }
+    oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
+    oc->flags |= AVFMT_FLAG_NONBLOCK;
+
+    /* copy metadata */
+    for (i = 0; i < o->nb_metadata_map; i++) {
+        char *p;
+        int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
+
+        if (in_file_index < 0)
+            continue;
+        if (in_file_index >= nb_input_files) {
+            av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
+            exit_program(1);
+        }
+        copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index]->ctx, o);
+    }
+
+    /* copy chapters */
+    if (o->chapters_input_file >= nb_input_files) {
+        if (o->chapters_input_file == INT_MAX) {
+            /* copy chapters from the first input file that has them*/
+            o->chapters_input_file = -1;
+            for (i = 0; i < nb_input_files; i++)
+                if (input_files[i]->ctx->nb_chapters) {
+                    o->chapters_input_file = i;
+                    break;
+                }
+        } else {
+            av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
+                   o->chapters_input_file);
+            exit_program(1);
+        }
+    }
+    if (o->chapters_input_file >= 0)
+        copy_chapters(input_files[o->chapters_input_file], output_files[nb_output_files - 1],
+                      !o->metadata_chapters_manual);
+
+    /* copy global metadata by default */
+    if (!o->metadata_global_manual && nb_input_files)
+        av_dict_copy(&oc->metadata, input_files[0]->ctx->metadata,
+                     AV_DICT_DONT_OVERWRITE);
+    if (!o->metadata_streams_manual)
+        for (i = output_files[nb_output_files - 1]->ost_index; i < nb_output_streams; i++) {
+            InputStream *ist;
+            if (output_streams[i]->source_index < 0)         /* this is true e.g. for attached files */
+                continue;
+            ist = input_streams[output_streams[i]->source_index];
+            av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
+        }
+
+    /* process manually set metadata */
+    for (i = 0; i < o->nb_metadata; i++) {
+        AVDictionary **m;
+        char type, *val;
+        const char *stream_spec;
+        int index = 0, j, ret;
+
+        val = strchr(o->metadata[i].u.str, '=');
+        if (!val) {
+            av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
+                   o->metadata[i].u.str);
+            exit_program(1);
+        }
+        *val++ = 0;
+
+        parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
+        if (type == 's') {
+            for (j = 0; j < oc->nb_streams; j++) {
+                if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
+                    av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
+                } else if (ret < 0)
+                    exit_program(1);
+            }
+        }
+        else {
+            switch (type) {
+            case 'g':
+                m = &oc->metadata;
+                break;
+            case 'c':
+                if (index < 0 || index >= oc->nb_chapters) {
+                    av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
+                    exit_program(1);
+                }
+                m = &oc->chapters[index]->metadata;
+                break;
+            default:
+                av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
+                exit_program(1);
+            }
+            av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
+        }
+    }
+
+    reset_options(o);
+}
+
+/* same option as mencoder */
+static int opt_pass(const char *opt, const char *arg)
+{
+    do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
+    return 0;
+}
+
+
+static int opt_target(OptionsContext *o, const char *opt, const char *arg)
+{
+    enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
+    static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
+
+    if (!strncmp(arg, "pal-", 4)) {
+        norm = PAL;
+        arg += 4;
+    } else if (!strncmp(arg, "ntsc-", 5)) {
+        norm = NTSC;
+        arg += 5;
+    } else if (!strncmp(arg, "film-", 5)) {
+        norm = FILM;
+        arg += 5;
+    } else {
+        /* Try to determine PAL/NTSC by peeking in the input files */
+        if (nb_input_files) {
+            int i, j, fr;
+            for (j = 0; j < nb_input_files; j++) {
+                for (i = 0; i < input_files[j]->nb_streams; i++) {
+                    AVCodecContext *c = input_files[j]->ctx->streams[i]->codec;
+                    if (c->codec_type != AVMEDIA_TYPE_VIDEO)
+                        continue;
+                    fr = c->time_base.den * 1000 / c->time_base.num;
+                    if (fr == 25000) {
+                        norm = PAL;
+                        break;
+                    } else if ((fr == 29970) || (fr == 23976)) {
+                        norm = NTSC;
+                        break;
+                    }
+                }
+                if (norm != UNKNOWN)
+                    break;
+            }
+        }
+        if (norm != UNKNOWN)
+            av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
+    }
+
+    if (norm == UNKNOWN) {
+        av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
+        av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
+        av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
+        exit_program(1);
+    }
+
+    if (!strcmp(arg, "vcd")) {
+        opt_video_codec(o, "c:v", "mpeg1video");
+        opt_audio_codec(o, "c:a", "mp2");
+        parse_option(o, "f", "vcd", options);
+
+        parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
+        parse_option(o, "r", frame_rates[norm], options);
+        opt_default("g", norm == PAL ? "15" : "18");
+
+        opt_default("b", "1150000");
+        opt_default("maxrate", "1150000");
+        opt_default("minrate", "1150000");
+        opt_default("bufsize", "327680"); // 40*1024*8;
+
+        opt_default("b:a", "224000");
+        parse_option(o, "ar", "44100", options);
+        parse_option(o, "ac", "2", options);
+
+        opt_default("packetsize", "2324");
+        opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
+
+        /* We have to offset the PTS, so that it is consistent with the SCR.
+           SCR starts at 36000, but the first two packs contain only padding
+           and the first pack from the other stream, respectively, may also have
+           been written before.
+           So the real data starts at SCR 36000+3*1200. */
+        o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
+    } else if (!strcmp(arg, "svcd")) {
+
+        opt_video_codec(o, "c:v", "mpeg2video");
+        opt_audio_codec(o, "c:a", "mp2");
+        parse_option(o, "f", "svcd", options);
+
+        parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
+        parse_option(o, "r", frame_rates[norm], options);
+        opt_default("g", norm == PAL ? "15" : "18");
+
+        opt_default("b", "2040000");
+        opt_default("maxrate", "2516000");
+        opt_default("minrate", "0"); // 1145000;
+        opt_default("bufsize", "1835008"); // 224*1024*8;
+        opt_default("flags", "+scan_offset");
+
+
+        opt_default("b:a", "224000");
+        parse_option(o, "ar", "44100", options);
+
+        opt_default("packetsize", "2324");
+
+    } else if (!strcmp(arg, "dvd")) {
+
+        opt_video_codec(o, "c:v", "mpeg2video");
+        opt_audio_codec(o, "c:a", "ac3");
+        parse_option(o, "f", "dvd", options);
+
+        parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
+        parse_option(o, "r", frame_rates[norm], options);
+        opt_default("g", norm == PAL ? "15" : "18");
+
+        opt_default("b", "6000000");
+        opt_default("maxrate", "9000000");
+        opt_default("minrate", "0"); // 1500000;
+        opt_default("bufsize", "1835008"); // 224*1024*8;
+
+        opt_default("packetsize", "2048");  // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
+        opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
+
+        opt_default("b:a", "448000");
+        parse_option(o, "ar", "48000", options);
+
+    } else if (!strncmp(arg, "dv", 2)) {
+
+        parse_option(o, "f", "dv", options);
+
+        parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
+        parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
+                          norm == PAL ? "yuv420p" : "yuv411p", options);
+        parse_option(o, "r", frame_rates[norm], options);
+
+        parse_option(o, "ar", "48000", options);
+        parse_option(o, "ac", "2", options);
+
+    } else {
+        av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
+        return AVERROR(EINVAL);
+    }
+    return 0;
+}
+
+static int opt_vstats_file(const char *opt, const char *arg)
+{
+    av_free (vstats_filename);
+    vstats_filename = av_strdup (arg);
+    return 0;
+}
+
+static int opt_vstats(const char *opt, const char *arg)
+{
+    char filename[40];
+    time_t today2 = time(NULL);
+    struct tm *today = localtime(&today2);
+
+    snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
+             today->tm_sec);
+    return opt_vstats_file(opt, filename);
+}
+
+static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
+{
+    return parse_option(o, "frames:v", arg, options);
+}
+
+static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
+{
+    return parse_option(o, "frames:a", arg, options);
+}
+
+static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
+{
+    return parse_option(o, "frames:d", arg, options);
+}
+
+static int opt_video_tag(OptionsContext *o, const char *opt, const char *arg)
+{
+    return parse_option(o, "tag:v", arg, options);
+}
+
+static int opt_audio_tag(OptionsContext *o, const char *opt, const char *arg)
+{
+    return parse_option(o, "tag:a", arg, options);
+}
+
+static int opt_subtitle_tag(OptionsContext *o, const char *opt, const char *arg)
+{
+    return parse_option(o, "tag:s", arg, options);
+}
+
+static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
+{
+    return parse_option(o, "filter:v", arg, options);
+}
+
+static int opt_audio_filters(OptionsContext *o, const char *opt, const char *arg)
+{
+    return parse_option(o, "filter:a", arg, options);
+}
+
+static int opt_vsync(const char *opt, const char *arg)
+{
+    if      (!av_strcasecmp(arg, "cfr"))         video_sync_method = VSYNC_CFR;
+    else if (!av_strcasecmp(arg, "vfr"))         video_sync_method = VSYNC_VFR;
+    else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
+
+    if (video_sync_method == VSYNC_AUTO)
+        video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
+    return 0;
+}
+
+static int opt_deinterlace(const char *opt, const char *arg)
+{
+    av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
+    do_deinterlace = 1;
+    return 0;
+}
+
+int opt_cpuflags(const char *opt, const char *arg)
+{
+    int flags = av_parse_cpu_flags(arg);
+
+    if (flags < 0)
+        return flags;
+
+    av_set_cpu_flags_mask(flags);
+    return 0;
+}
+
+static int opt_channel_layout(OptionsContext *o, const char *opt, const char *arg)
+{
+    char layout_str[32];
+    char *stream_str;
+    char *ac_str;
+    int ret, channels, ac_str_size;
+    uint64_t layout;
+
+    layout = av_get_channel_layout(arg);
+    if (!layout) {
+        av_log(NULL, AV_LOG_ERROR, "Unknown channel layout: %s\n", arg);
+        return AVERROR(EINVAL);
+    }
+    snprintf(layout_str, sizeof(layout_str), "%"PRIu64, layout);
+    ret = opt_default(opt, layout_str);
+    if (ret < 0)
+        return ret;
+
+    /* set 'ac' option based on channel layout */
+    channels = av_get_channel_layout_nb_channels(layout);
+    snprintf(layout_str, sizeof(layout_str), "%d", channels);
+    stream_str = strchr(opt, ':');
+    ac_str_size = 3 + (stream_str ? strlen(stream_str) : 0);
+    ac_str = av_mallocz(ac_str_size);
+    if (!ac_str)
+        return AVERROR(ENOMEM);
+    av_strlcpy(ac_str, "ac", 3);
+    if (stream_str)
+        av_strlcat(ac_str, stream_str, ac_str_size);
+    ret = parse_option(o, ac_str, layout_str, options);
+    av_free(ac_str);
+
+    return ret;
+}
+
+static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
+{
+    return parse_option(o, "q:a", arg, options);
+}
+
+static int opt_filter_complex(const char *opt, const char *arg)
+{
+    filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs),
+                              &nb_filtergraphs, nb_filtergraphs + 1);
+    if (!(filtergraphs[nb_filtergraphs - 1] = av_mallocz(sizeof(*filtergraphs[0]))))
+        return AVERROR(ENOMEM);
+    filtergraphs[nb_filtergraphs - 1]->index       = nb_filtergraphs - 1;
+    filtergraphs[nb_filtergraphs - 1]->graph_desc = arg;
+    return 0;
+}
+
+static void show_help(void)
+{
+    int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
+    av_log_set_callback(log_callback_help);
+    show_usage();
+    show_help_options(options, "Main options:\n",
+                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
+    show_help_options(options, "\nAdvanced options:\n",
+                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
+                      OPT_EXPERT);
+    show_help_options(options, "\nVideo options:\n",
+                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
+                      OPT_VIDEO);
+    show_help_options(options, "\nAdvanced Video options:\n",
+                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
+                      OPT_VIDEO | OPT_EXPERT);
+    show_help_options(options, "\nAudio options:\n",
+                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
+                      OPT_AUDIO);
+    show_help_options(options, "\nAdvanced Audio options:\n",
+                      OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
+                      OPT_AUDIO | OPT_EXPERT);
+    show_help_options(options, "\nSubtitle options:\n",
+                      OPT_SUBTITLE | OPT_GRAB,
+                      OPT_SUBTITLE);
+    show_help_options(options, "\nAudio/Video grab options:\n",
+                      OPT_GRAB,
+                      OPT_GRAB);
+    printf("\n");
+    show_help_children(avcodec_get_class(), flags);
+    show_help_children(avformat_get_class(), flags);
+    show_help_children(sws_get_class(), flags);
+}
+
+void show_usage(void)
+{
+    printf("Hyper fast Audio and Video encoder\n");
+    printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
+    printf("\n");
+}
+
+
+#define OFFSET(x) offsetof(OptionsContext, x)
+const OptionDef options[] = {
+    /* main options */
+#include "cmdutils_common_opts.h"
+    { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
+    { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
+    { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
+    { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
+    { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
+    { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
+    { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
+    { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
+      "outfile[,metadata]:infile[,metadata]" },
+    { "map_chapters",  OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)},  "set chapters mapping", "input_file_index" },
+    { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
+    { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
+    { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
+    { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
+    { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
+    { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
+    { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
+    { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
+      "add timings for benchmarking" },
+    { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
+    { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
+      "dump each input packet" },
+    { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
+      "when dumping packets, also dump the payload" },
+    { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
+    { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
+    { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
+    { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
+    { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
+    { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)&copy_ts}, "copy timestamps" },
+    { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)&copy_tb}, "copy input stream time base when stream copying" },
+    { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
+    { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
+    { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
+    { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
+    { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
+    { "tag",   OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
+    { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
+    { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
+    { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
+    { "filter_complex", HAS_ARG | OPT_EXPERT, {(void*)opt_filter_complex}, "create a complex filtergraph", "graph_description" },
+    { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
+    { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
+    { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
+    { "cpuflags", HAS_ARG | OPT_EXPERT, {(void*)opt_cpuflags}, "set CPU flags mask", "mask" },
+
+    /* video options */
+    { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
+    { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
+    { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
+    { "aspect", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_aspect_ratios)}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
+    { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
+    { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
+    { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
+    { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
+    { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
+    { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
+      "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" },
+    { "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace},
+      "this option is deprecated, use the yadif filter instead" },
+    { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
+    { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
+    { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
+    { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
+    { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
+    { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
+    { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
+    { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
+    { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
+    { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
+    { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
+    { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(forced_key_frames)}, "force key frames at specified timestamps", "timestamps" },
+
+    /* audio options */
+    { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
+    { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
+    { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
+    { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
+    { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
+    { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
+    { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
+    { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
+    { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
+    { "channel_layout", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_channel_layout}, "set channel layout", "layout" },
+    { "af", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_filters}, "audio filters", "filter list" },
+
+    /* subtitle options */
+    { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
+    { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
+    { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
+
+    /* grab options */
+    { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
+
+    /* muxer options */
+    { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT   | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
+    { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)},   "set the initial demux-decode delay", "seconds" },
+
+    { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
+
+    /* data codec support */
+    { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_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, },
+};