]> git.sesse.net Git - ffmpeg/blobdiff - avconv.c
swr: doxument matrix fields.
[ffmpeg] / avconv.c
index acb497b759bb5344dba22a15fe8fc9c2f40956ea..76d8def806a2cd3b3ff8feda00d0ff5657aee33e 100644 (file)
--- a/avconv.c
+++ b/avconv.c
@@ -132,7 +132,6 @@ static int copy_tb= 0;
 static int opt_shortest = 0;
 static char *vstats_filename;
 static FILE *vstats_file;
-static int copy_initial_nonkeyframes = 0;
 
 static int audio_volume = 256;
 
@@ -149,6 +148,8 @@ static int input_sync;
 
 static float dts_delta_threshold = 10;
 
+static int print_stats = 1;
+
 static uint8_t *audio_buf;
 static uint8_t *audio_out;
 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
@@ -238,9 +239,12 @@ typedef struct OutputStream {
     AVFilterGraph *graph;
 #endif
 
-   int sws_flags;
-   AVDictionary *opts;
-   int is_past_recording_time;
+    int64_t sws_flags;
+    AVDictionary *opts;
+    int is_past_recording_time;
+    int stream_copy;
+    const char *attachment_filename;
+    int copy_initial_nonkeyframes;
 } OutputStream;
 
 #if HAVE_TERMIOS_H
@@ -292,6 +296,8 @@ typedef struct OptionsContext {
 
     SpecifierOpt *ts_scale;
     int        nb_ts_scale;
+    SpecifierOpt *dump_attachment;
+    int        nb_dump_attachment;
 
     /* output options */
     StreamMap *stream_maps;
@@ -302,6 +308,8 @@ typedef struct OptionsContext {
     int metadata_global_manual;
     int metadata_streams_manual;
     int metadata_chapters_manual;
+    const char **attachments;
+    int       nb_attachments;
 
     int chapters_input_file;
 
@@ -345,6 +353,10 @@ typedef struct OptionsContext {
     int        nb_inter_matrices;
     SpecifierOpt *top_field_first;
     int        nb_top_field_first;
+    SpecifierOpt *presets;
+    int        nb_presets;
+    SpecifierOpt *copy_initial_nonkeyframes;
+    int        nb_copy_initial_nonkeyframes;
 #if CONFIG_AVFILTER
     SpecifierOpt *filters;
     int        nb_filters;
@@ -392,7 +404,6 @@ static void reset_options(OptionsContext *o)
 
     memset(o, 0, sizeof(*o));
 
-    o->mux_preload    = 0.5;
     o->mux_max_delay  = 0.7;
     o->recording_time = INT64_MAX;
     o->limit_filesize = UINT64_MAX;
@@ -448,7 +459,7 @@ static int configure_video_filters(InputStream *ist, OutputStream *ost)
         snprintf(args, 255, "%d:%d:flags=0x%X",
                  codec->width,
                  codec->height,
-                 ost->sws_flags);
+                 (unsigned)ost->sws_flags);
         if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
                                                 NULL, args, NULL, ost->graph)) < 0)
             return ret;
@@ -457,7 +468,7 @@ static int configure_video_filters(InputStream *ist, OutputStream *ost)
         last_filter = filter;
     }
 
-    snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
+    snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
     ost->graph->scale_sws_opts = av_strdup(args);
 
     if (ost->avfilter) {
@@ -619,6 +630,7 @@ void exit_program(int ret)
 #if CONFIG_AVFILTER
     avfilter_uninit();
 #endif
+    avformat_network_deinit();
 
     if (received_sigterm) {
         av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
@@ -813,7 +825,7 @@ need_realloc:
 
     if ((ost->audio_resample && !ost->resample) || resample_changed) {
         if (resample_changed) {
-            av_log(NULL, AV_LOG_INFO, "Input stream #%d.%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
+            av_log(NULL, AV_LOG_INFO, "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
                    ist->file_index, ist->st->index,
                    ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
                    dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
@@ -1128,7 +1140,7 @@ static void do_video_resample(OutputStream *ost,
 #if !CONFIG_AVFILTER
     if (resample_changed) {
         av_log(NULL, AV_LOG_INFO,
-               "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
+               "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
                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));
@@ -1374,6 +1386,9 @@ static void print_report(OutputFile *output_files,
     static int qp_histogram[52];
     int hours, mins, secs, us;
 
+    if (!print_stats && !is_last_report)
+        return;
+
     if (!is_last_report) {
         int64_t cur_time;
         /* display the report every 0.5 seconds */
@@ -1400,7 +1415,7 @@ static void print_report(OutputFile *output_files,
         float q = -1;
         ost = &ost_table[i];
         enc = ost->st->codec;
-        if (!ost->st->stream_copy && enc->coded_frame)
+        if (!ost->stream_copy && enc->coded_frame)
             q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
         if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
             snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
@@ -1470,7 +1485,7 @@ static void print_report(OutputFile *output_files,
         snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
                 nb_frames_dup, nb_frames_drop);
 
-    av_log(NULL, is_last_report ? AV_LOG_WARNING : AV_LOG_INFO, "%s    \r", buf);
+    av_log(NULL, AV_LOG_INFO, "%s    \r", buf);
 
     fflush(stderr);
 
@@ -1668,7 +1683,6 @@ static int output_packet(InputStream *ist, int ist_index,
                     (ist->st->codec->sample_rate * ist->st->codec->channels);
                 break;}
             case AVMEDIA_TYPE_VIDEO:
-                    decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
                     if (!(decoded_frame = avcodec_alloc_frame()))
                         return AVERROR(ENOMEM);
                     avpkt.pts = pkt_pts;
@@ -1875,7 +1889,8 @@ static int output_packet(InputStream *ist, int ist_index,
                     int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
                     av_init_packet(&opkt);
 
-                    if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
+                    if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
+                        !ost->copy_initial_nonkeyframes)
 #if !CONFIG_AVFILTER
                         continue;
 #else
@@ -1983,13 +1998,13 @@ static int init_input_stream(int ist_index, OutputStream *output_streams, int nb
     if (ist->decoding_needed) {
         AVCodec *codec = ist->dec;
         if (!codec) {
-            snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d.%d",
+            snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
                     ist->st->codec->codec_id, ist->file_index, ist->st->index);
             return AVERROR(EINVAL);
         }
 
         if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
-            snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
+            snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
                     ist->file_index, ist->st->index);
             return AVERROR(EINVAL);
         }
@@ -2041,6 +2056,9 @@ static int transcode_init(OutputFile *output_files,
         os = output_files[ost->file_index].ctx;
         ist = &input_streams[ost->source_index];
 
+        if (ost->attachment_filename)
+            continue;
+
         codec = ost->st->codec;
         icodec = ist->st->codec;
 
@@ -2048,7 +2066,7 @@ static int transcode_init(OutputFile *output_files,
         codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
         codec->chroma_sample_location = icodec->chroma_sample_location;
 
-        if (ost->st->stream_copy) {
+        if (ost->stream_copy) {
             uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
 
             if (extra_size > INT_MAX) {
@@ -2104,10 +2122,6 @@ static int transcode_init(OutputFile *output_files,
                 codec->frame_size = icodec->frame_size;
                 codec->audio_service_type = icodec->audio_service_type;
                 codec->block_align= icodec->block_align;
-                if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
-                    codec->block_align= 0;
-                if(codec->codec_id == CODEC_ID_AC3)
-                    codec->block_align= 0;
                 break;
             case AVMEDIA_TYPE_VIDEO:
                 codec->pix_fmt = icodec->pix_fmt;
@@ -2135,6 +2149,8 @@ static int transcode_init(OutputFile *output_files,
         } else {
             if (!ost->enc)
                 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
+            ist->decoding_needed = 1;
+            ost->encoding_needed = 1;
             switch(codec->codec_type) {
             case AVMEDIA_TYPE_AUDIO:
                 ost->fifo= av_fifo_alloc(1024);
@@ -2142,9 +2158,8 @@ static int transcode_init(OutputFile *output_files,
                     return AVERROR(ENOMEM);
                 }
                 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
-                if (!codec->sample_rate) {
+                if (!codec->sample_rate)
                     codec->sample_rate = icodec->sample_rate;
-                }
                 choose_sample_rate(ost->st, ost->enc);
                 codec->time_base = (AVRational){1, codec->sample_rate};
                 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
@@ -2158,8 +2173,6 @@ static int transcode_init(OutputFile *output_files,
                     codec->channel_layout = 0;
                 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
                 icodec->request_channels = codec->channels;
-                ist->decoding_needed = 1;
-                ost->encoding_needed = 1;
                 ost->resample_sample_fmt  = icodec->sample_fmt;
                 ost->resample_sample_rate = icodec->sample_rate;
                 ost->resample_channels    = icodec->channels;
@@ -2189,8 +2202,6 @@ static int transcode_init(OutputFile *output_files,
                 ost->resample_height = icodec->height;
                 ost->resample_width  = icodec->width;
                 ost->resample_pix_fmt= icodec->pix_fmt;
-                ost->encoding_needed = 1;
-                ist->decoding_needed = 1;
 
                 if (!ost->frame_rate.num)
                     ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
@@ -2213,15 +2224,13 @@ static int transcode_init(OutputFile *output_files,
 #endif
                 break;
             case AVMEDIA_TYPE_SUBTITLE:
-                ost->encoding_needed = 1;
-                ist->decoding_needed = 1;
                 break;
             default:
                 abort();
                 break;
             }
             /* two pass mode */
-            if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
+            if (codec->codec_id != CODEC_ID_H264 &&
                 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
                 char logfilename[1024];
                 FILE *f;
@@ -2240,7 +2249,7 @@ static int transcode_init(OutputFile *output_files,
                 } else {
                     char  *logbuffer;
                     size_t logbuffer_size;
-                    if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
+                    if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
                         av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
                                logfilename);
                         exit_program(1);
@@ -2271,7 +2280,7 @@ static int transcode_init(OutputFile *output_files,
             AVCodec *codec = ost->enc;
             AVCodecContext *dec = input_streams[ost->source_index].st->codec;
             if (!codec) {
-                snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
+                snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d:%d",
                          ost->st->codec->codec_id, ost->file_index, ost->index);
                 ret = AVERROR(EINVAL);
                 goto dump_format;
@@ -2286,7 +2295,7 @@ static int transcode_init(OutputFile *output_files,
                 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
             }
             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",
+                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;
@@ -2349,16 +2358,23 @@ static int transcode_init(OutputFile *output_files,
     av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
     for (i = 0; i < nb_output_streams; i++) {
         ost = &output_streams[i];
-        av_log(NULL, AV_LOG_INFO, "  Stream #%d.%d -> #%d.%d",
+
+        if (ost->attachment_filename) {
+            /* an attached file */
+            av_log(NULL, AV_LOG_INFO, "  File %s -> Stream #%d:%d\n",
+                   ost->attachment_filename, ost->file_index, ost->index);
+            continue;
+        }
+        av_log(NULL, AV_LOG_INFO, "  Stream #%d:%d -> #%d:%d",
                input_streams[ost->source_index].file_index,
                input_streams[ost->source_index].st->index,
                ost->file_index,
                ost->index);
         if (ost->sync_ist != &input_streams[ost->source_index])
-            av_log(NULL, AV_LOG_INFO, " [sync #%d.%d]",
+            av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
                    ost->sync_ist->file_index,
                    ost->sync_ist->st->index);
-        if (ost->st->stream_copy)
+        if (ost->stream_copy)
             av_log(NULL, AV_LOG_INFO, " (copy)");
         else
             av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
@@ -2575,7 +2591,7 @@ static int transcode(OutputFile *output_files,
         //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
         if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
 
-            av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d.%d\n",
+            av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
                    ist->file_index, ist->st->index);
             if (exit_on_error)
                 exit_program(1);
@@ -2641,7 +2657,7 @@ static int transcode(OutputFile *output_files,
         for (i = 0; i < nb_output_streams; i++) {
             ost = &output_streams[i];
             if (ost) {
-                if (ost->st->stream_copy)
+                if (ost->stream_copy)
                     av_freep(&ost->st->codec->extradata);
                 if (ost->logfile) {
                     fclose(ost->logfile);
@@ -2665,12 +2681,6 @@ static int transcode(OutputFile *output_files,
     return ret;
 }
 
-static int opt_verbose(const char *opt, const char *arg)
-{
-    av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -loglevel\n", opt);
-    return 0;
-}
-
 static double parse_frame_aspect_ratio(const char *arg)
 {
     int x = 0, y = 0;
@@ -2762,7 +2772,8 @@ static int opt_map(OptionsContext *o, const char *opt, const char *arg)
         /* disable some already defined maps */
         for (i = 0; i < o->nb_stream_maps; i++) {
             m = &o->stream_maps[i];
-            if (check_stream_specifier(input_files[m->file_index].ctx,
+            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;
@@ -2797,6 +2808,14 @@ static int opt_map(OptionsContext *o, const char *opt, const char *arg)
     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;
+}
+
 static void parse_meta_type(char *arg, char *type, int *index)
 {
     if (*arg) {
@@ -2846,13 +2865,11 @@ static int opt_map_metadata(OptionsContext *o, const char *opt, const char *arg)
     return 0;
 }
 
-static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
+static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
 {
     const char *codec_string = encoder ? "encoder" : "decoder";
     AVCodec *codec;
 
-    if(!name)
-        return CODEC_ID_NONE;
     codec = encoder ?
         avcodec_find_encoder_by_name(name) :
         avcodec_find_decoder_by_name(name);
@@ -2864,29 +2881,20 @@ static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, i
         av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
         exit_program(1);
     }
-    return codec->id;
+    return codec;
 }
 
-static AVCodec *choose_codec(OptionsContext *o, AVFormatContext *s, AVStream *st, enum AVMediaType type)
+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) {
-        if (s->oformat) {
-            st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
-            return avcodec_find_encoder(st->codec->codec_id);
-        }
-    } else if (!strcmp(codec_name, "copy"))
-        st->stream_copy = 1;
-    else {
-        st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
-        return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
-                            avcodec_find_decoder_by_name(codec_name);
-    }
-
-    return NULL;
+    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);
 }
 
 /**
@@ -2901,7 +2909,6 @@ static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
         AVStream *st = ic->streams[i];
         AVCodecContext *dec = st->codec;
         InputStream *ist;
-        double scale = 1.0;
 
         input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
         ist = &input_streams[nb_input_streams - 1];
@@ -2910,12 +2917,10 @@ static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
         ist->discard = 1;
         ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
 
-        MATCH_PER_STREAM_OPT(ts_scale, dbl, scale, ic, st);
-        ist->ts_scale = scale;
+        ist->ts_scale = 1.0;
+        MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
 
-        ist->dec = choose_codec(o, ic, st, dec->codec_type);
-        if (!ist->dec)
-            ist->dec = avcodec_find_decoder(dec->codec_id);
+        ist->dec = choose_decoder(o, ic, st);
 
         switch (dec->codec_type) {
         case AVMEDIA_TYPE_AUDIO:
@@ -2962,6 +2967,60 @@ static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
     }
 }
 
+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_open (&out, filename, AVIO_FLAG_WRITE)) < 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;
@@ -3020,7 +3079,7 @@ static int opt_input_file(OptionsContext *o, const char *opt, const char *filena
 
     /* apply forced codec ids */
     for (i = 0; i < ic->nb_streams; i++)
-        choose_codec(o, ic, ic->streams[i], ic->streams[i]->codec->codec_type);
+        choose_decoder(o, ic, ic->streams[i]);
 
     /* Set AVCodecContext options for avformat_find_stream_info */
     opts = setup_find_stream_info_opts(ic, codec_opts);
@@ -3062,6 +3121,17 @@ static int opt_input_file(OptionsContext *o, const char *opt, const char *filena
     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);
@@ -3093,21 +3163,87 @@ static void parse_forced_key_frames(char *kf, OutputStream *ost,
     }
 }
 
+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_open(s, filename, AVIO_FLAG_READ);
+        }
+        if (ret) {
+            snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
+                     i != 1 ? "" : "/.avconv", preset_name);
+            ret = avio_open(s, filename, AVIO_FLAG_READ);
+        }
+    }
+    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 = av_new_stream(oc, oc->nb_streams < o->nb_streamid_map ? o->streamid_map[oc->nb_streams] : 0);
-    int idx      = oc->nb_streams - 1;
-    int64_t max_frames = INT64_MAX;
+    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);
     ost = &output_streams[nb_output_streams - 1];
@@ -3115,7 +3251,7 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
     ost->index = idx;
     ost->st    = st;
     st->codec->codec_type = type;
-    ost->enc = choose_codec(o, oc, st, type);
+    choose_encoder(o, oc, ost);
     if (ost->enc) {
         ost->opts  = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
     }
@@ -3123,8 +3259,33 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
     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(max_frames, i64, max_frames, oc, st);
-    ost->max_frames = max_frames;
+    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) {
@@ -3160,7 +3321,7 @@ static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, e
     if (oc->oformat->flags & AVFMT_GLOBALHEADER)
         st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
 
-    ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
+    av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
     return ost;
 }
 
@@ -3191,12 +3352,12 @@ static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
     st  = ost->st;
     video_enc = st->codec;
 
-    if (!st->stream_copy) {
+    if (!ost->stream_copy) {
         const char *p = NULL;
         char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
         char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
         char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
-        int i, force_fps = 0, top_field_first = -1;
+        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) {
@@ -3280,11 +3441,12 @@ static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
         if (forced_key_frames)
             parse_forced_key_frames(forced_key_frames, ost, video_enc);
 
-        MATCH_PER_STREAM_OPT(force_fps, i, force_fps, oc, st);
-        ost->force_fps = force_fps;
+        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(top_field_first, i, top_field_first, oc, st);
-        ost->top_field_first = top_field_first;
+        MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
 
 #if CONFIG_AVFILTER
         MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
@@ -3308,7 +3470,7 @@ static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
     audio_enc = st->codec;
     audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
 
-    if (!st->stream_copy) {
+    if (!ost->stream_copy) {
         char *sample_fmt = NULL;
 
         MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
@@ -3328,12 +3490,10 @@ static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
 
 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
 {
-    AVStream *st;
     OutputStream *ost;
 
     ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
-    st  = ost->st;
-    if (!st->stream_copy) {
+    if (!ost->stream_copy) {
         av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
         exit_program(1);
     }
@@ -3344,7 +3504,7 @@ static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
 {
     OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
-    ost->st->stream_copy = 1;
+    ost->stream_copy = 1;
     return ost;
 }
 
@@ -3449,9 +3609,9 @@ static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const ch
         memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
         avcodec_copy_context(st->codec, ic->streams[i]->codec);
 
-        if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
+        if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
             choose_sample_fmt(st, codec);
-        else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
+        else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
             choose_pixel_fmt(st, codec);
     }
 
@@ -3550,7 +3710,7 @@ static void opt_output_file(void *optctx, const char *filename)
             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",
+                av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
                        map->file_index, map->stream_index);
                 exit_program(1);
             }
@@ -3562,6 +3722,42 @@ static void opt_output_file(void *optctx, const char *filename)
         }
     }
 
+    /* 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_open(&pb, o->attachments[i], AVIO_FLAG_READ)) < 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);
     output_files[nb_output_files - 1].ctx       = oc;
     output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
@@ -3580,25 +3776,7 @@ static void opt_output_file(void *optctx, const char *filename)
 
     if (!(oc->oformat->flags & AVFMT_NOFILE)) {
         /* test if it already exists to avoid loosing precious files */
-        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);
-                }
-            }
-        }
+        assert_file_overwrite(filename);
 
         /* open the file */
         if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
@@ -3607,7 +3785,11 @@ static void opt_output_file(void *optctx, const char *filename)
         }
     }
 
-    oc->preload   = (int)(o->mux_preload   * AV_TIME_BASE);
+    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);
 
     /* copy chapters */
@@ -3682,7 +3864,10 @@ static void opt_output_file(void *optctx, const char *filename)
                      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 = &input_streams[output_streams[i].source_index];
+            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);
         }
 
@@ -3787,11 +3972,7 @@ static void show_usage(void)
 
 static int opt_help(const char *opt, const char *arg)
 {
-    AVCodec *c;
-    AVOutputFormat *oformat = NULL;
-    AVInputFormat  *iformat = NULL;
-    const AVClass *class;
-
+    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",
@@ -3818,41 +3999,10 @@ static int opt_help(const char *opt, const char *arg)
                       OPT_GRAB,
                       OPT_GRAB);
     printf("\n");
-    class = avcodec_get_class();
-    av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
-    printf("\n");
-
-    /* individual codec options */
-    c = NULL;
-    while ((c = av_codec_next(c))) {
-        if (c->priv_class) {
-            av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
-            printf("\n");
-        }
-    }
-
-    class = avformat_get_class();
-    av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
-    printf("\n");
-
-    /* individual muxer options */
-    while ((oformat = av_oformat_next(oformat))) {
-        if (oformat->priv_class) {
-            av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
-            printf("\n");
-        }
-    }
-
-    /* individual demuxer options */
-    while ((iformat = av_iformat_next(iformat))) {
-        if (iformat->priv_class) {
-            av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
-            printf("\n");
-        }
-    }
+    show_help_children(avcodec_get_class(), flags);
+    show_help_children(avformat_get_class(), flags);
+    show_help_children(sws_get_class(), flags);
 
-    class = sws_get_class();
-    av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
     return 0;
 }
 
@@ -4068,6 +4218,7 @@ static const OptionDef options[] = {
     { "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", "file.stream[:syncfile.syncstream]" },
     { "map_metadata", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
       "outfile[,metadata]:infile[,metadata]" },
@@ -4087,7 +4238,6 @@ static const OptionDef options[] = {
     { "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", "" },
-    { "v", HAS_ARG, {(void*)opt_verbose}, "deprecated, use -loglevel instead", "number" },
     { "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_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
     { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
@@ -4097,7 +4247,7 @@ static const OptionDef options[] = {
     { "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, {(void*)&copy_initial_nonkeyframes}, "copy initial non-keyframes" },
+    { "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" },
@@ -4105,6 +4255,9 @@ static const OptionDef options[] = {
 #if CONFIG_AVFILTER
     { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
 #endif
+    { "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" },
 
     /* video options */
     { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
@@ -4195,6 +4348,7 @@ int main(int argc, char **argv)
     avfilter_register_all();
 #endif
     av_register_all();
+    avformat_network_init();
 
 #if HAVE_ISATTY
     if(isatty(STDIN_FILENO))