]> git.sesse.net Git - ffmpeg/blobdiff - ffmpeg.c
Add '#undef rand' to fix test program build.
[ffmpeg] / ffmpeg.c
index ee6b01784a51ec372b370879319fbd7daf9a1aa7..581f4c852bf9d144c231b5aa33c425f072089154 100644 (file)
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -34,7 +34,6 @@
 #include "libavformat/avformat.h"
 #include "libavdevice/avdevice.h"
 #include "libswscale/swscale.h"
-#include "libavformat/framehook.h"
 #include "libavcodec/opt.h"
 #include "libavcodec/audioconvert.h"
 #include "libavutil/fifo.h"
@@ -172,12 +171,8 @@ static int64_t start_time = 0;
 static int64_t rec_timestamp = 0;
 static int64_t input_ts_offset = 0;
 static int file_overwrite = 0;
-static char *str_title = NULL;
-static char *str_author = NULL;
-static char *str_copyright = NULL;
-static char *str_comment = NULL;
-static char *str_genre = NULL;
-static char *str_album = NULL;
+static int metadata_count;
+static AVMetadataTag *metadata;
 static int do_benchmark = 0;
 static int do_hex_dump = 0;
 static int do_pkt_dump = 0;
@@ -207,7 +202,6 @@ static int audio_volume = 256;
 
 static int exit_on_error = 0;
 static int using_stdin = 0;
-static int using_vhook = 0;
 static int verbose = 1;
 static int thread_count= 1;
 static int q_pressed = 0;
@@ -555,12 +549,12 @@ static void do_audio_out(AVFormatContext *s,
         ost->audio_resample = 1;
 
     if (ost->audio_resample && !ost->resample) {
-        if (dec->sample_fmt != SAMPLE_FMT_S16) {
-            fprintf(stderr, "Audio resampler only works with 16 bits per sample, patch welcome.\n");
-            av_exit(1);
-        }
-        ost->resample = audio_resample_init(enc->channels,    dec->channels,
-                                            enc->sample_rate, dec->sample_rate);
+        if (dec->sample_fmt != SAMPLE_FMT_S16)
+            fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
+        ost->resample = av_audio_resample_init(enc->channels,    dec->channels,
+                                               enc->sample_rate, dec->sample_rate,
+                                               enc->sample_fmt,  dec->sample_fmt,
+                                               16, 10, 0, 0.8);
         if (!ost->resample) {
             fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
                     dec->channels, dec->sample_rate,
@@ -570,7 +564,7 @@ static void do_audio_out(AVFormatContext *s,
     }
 
 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
-    if (dec->sample_fmt!=enc->sample_fmt &&
+    if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
         MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
         if (!audio_out2)
             audio_out2 = av_malloc(audio_out_size);
@@ -647,7 +641,7 @@ static void do_audio_out(AVFormatContext *s,
         size_out = size;
     }
 
-    if (dec->sample_fmt!=enc->sample_fmt) {
+    if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
         const void *ibuf[6]= {buftmp};
         void *obuf[6]= {audio_out2};
         int istride[6]= {isize};
@@ -740,7 +734,7 @@ static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void
     dec = ist->st->codec;
 
     /* deinterlace : must be done before any resize */
-    if (do_deinterlace || using_vhook) {
+    if (do_deinterlace) {
         int size;
 
         /* create temporary picture */
@@ -768,10 +762,6 @@ static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void
         picture2 = picture;
     }
 
-    if (CONFIG_VHOOK)
-        frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height,
-                           1000000 * ist->pts / AV_TIME_BASE);
-
     if (picture != picture2)
         *picture = *picture2;
     *bufp = buf;
@@ -865,11 +855,14 @@ static void do_video_out(AVFormatContext *s,
         //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
         if (vdelta < -1.1)
             nb_frames = 0;
-        else if (video_sync_method == 2)
+        else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
+            if(vdelta<=-0.6){
+                nb_frames=0;
+            }else if(vdelta>0.6)
             ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
-        else if (vdelta > 1.1)
+        }else if (vdelta > 1.1)
             nb_frames = lrintf(vdelta);
-//fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, ost->sync_ipts, nb_frames);
+//fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
         if (nb_frames == 0){
             ++nb_frames_drop;
             if (verbose>2)
@@ -888,7 +881,7 @@ static void do_video_out(AVFormatContext *s,
 
     if (ost->video_crop) {
         if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
-            av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
+            fprintf(stderr, "error cropping picture\n");
             if (exit_on_error)
                 av_exit(1);
             return;
@@ -905,7 +898,7 @@ static void do_video_out(AVFormatContext *s,
         final_picture = &ost->pict_tmp;
         if (ost->video_resample) {
             if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
-                av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
+                fprintf(stderr, "error padding picture\n");
                 if (exit_on_error)
                     av_exit(1);
                 return;
@@ -953,7 +946,7 @@ static void do_video_out(AVFormatContext *s,
             /* better than nothing: use input picture interlaced
                settings */
             big_picture.interlaced_frame = in_picture->interlaced_frame;
-            if(avctx_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
+            if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
                 if(top_field_first == -1)
                     big_picture.top_field_first = in_picture->top_field_first;
                 else
@@ -1261,8 +1254,9 @@ static int output_packet(AVInputStream *ist, int ist_index,
                         goto discard_packet;
                     }
                     if (ist->st->codec->time_base.num != 0) {
+                        int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
                         ist->next_pts += ((int64_t)AV_TIME_BASE *
-                                          ist->st->codec->time_base.num) /
+                                          ist->st->codec->time_base.num * ticks) /
                             ist->st->codec->time_base.den;
                     }
                     len = 0;
@@ -1289,8 +1283,9 @@ static int output_packet(AVInputStream *ist, int ist_index,
                 break;
             case CODEC_TYPE_VIDEO:
                 if (ist->st->codec->time_base.num != 0) {
+                    int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
                     ist->next_pts += ((int64_t)AV_TIME_BASE *
-                                      ist->st->codec->time_base.num) /
+                                      ist->st->codec->time_base.num * ticks) /
                         ist->st->codec->time_base.den;
                 }
                 break;
@@ -1558,6 +1553,8 @@ static int av_encode(AVFormatContext **output_files,
     AVInputFile *file_table;
     int key;
     int want_sdp = 1;
+    uint8_t no_packet[MAX_FILES]={0};
+    int no_packet_count=0;
 
     file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
     if (!file_table)
@@ -1720,6 +1717,7 @@ static int av_encode(AVFormatContext **output_files,
 
     /* for each output stream, we compute the right encoding parameters */
     for(i=0;i<nb_ostreams;i++) {
+        AVMetadataTag *lang;
         ost = ost_table[i];
         os = output_files[ost->file_index];
         ist = ist_table[ost->source_index];
@@ -1727,9 +1725,9 @@ static int av_encode(AVFormatContext **output_files,
         codec = ost->st->codec;
         icodec = ist->st->codec;
 
-        if (!ost->st->language[0])
-            av_strlcpy(ost->st->language, ist->st->language,
-                       sizeof(ost->st->language));
+        if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
+            &&   !av_metadata_get(ost->st->metadata, "language", NULL, 0))
+            av_metadata_set(&ost->st->metadata, "language", lang->value);
 
         ost->st->disposition = ist->st->disposition;
 
@@ -1748,9 +1746,10 @@ static int av_encode(AVFormatContext **output_files,
             codec->bit_rate = icodec->bit_rate;
             codec->extradata= icodec->extradata;
             codec->extradata_size= icodec->extradata_size;
-            if(av_q2d(icodec->time_base) > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000)
+            if(av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000){
                 codec->time_base = icodec->time_base;
-            else
+                codec->time_base.num *= icodec->ticks_per_frame;
+            }else
                 codec->time_base = ist->st->time_base;
             switch(codec->codec_type) {
             case CODEC_TYPE_AUDIO:
@@ -1769,10 +1768,6 @@ static int av_encode(AVFormatContext **output_files,
                     codec->block_align= 0;
                 break;
             case CODEC_TYPE_VIDEO:
-                if(using_vhook) {
-                    fprintf(stderr,"-vcodec copy and -vhook are incompatible (frames are not decoded)\n");
-                    av_exit(1);
-                }
                 codec->pix_fmt = icodec->pix_fmt;
                 codec->width = icodec->width;
                 codec->height = icodec->height;
@@ -1897,7 +1892,7 @@ static int av_encode(AVFormatContext **output_files,
         }
         if(codec->codec_type == CODEC_TYPE_VIDEO){
             int size= codec->width * codec->height;
-            bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
+            bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
         }
     }
 
@@ -1986,6 +1981,7 @@ static int av_encode(AVFormatContext **output_files,
     for (i=0;i<nb_meta_data_maps;i++) {
         AVFormatContext *out_file;
         AVFormatContext *in_file;
+        AVMetadataTag *mtag;
 
         int out_file_index = meta_data_maps[i].out_file;
         int in_file_index = meta_data_maps[i].in_file;
@@ -2003,14 +1999,12 @@ static int av_encode(AVFormatContext **output_files,
         out_file = output_files[out_file_index];
         in_file = input_files[in_file_index];
 
-        strcpy(out_file->title, in_file->title);
-        strcpy(out_file->author, in_file->author);
-        strcpy(out_file->copyright, in_file->copyright);
-        strcpy(out_file->comment, in_file->comment);
-        strcpy(out_file->album, in_file->album);
-        out_file->year = in_file->year;
-        out_file->track = in_file->track;
-        strcpy(out_file->genre, in_file->genre);
+
+        mtag=NULL;
+        while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
+            av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
+        av_metadata_conv(out_file, out_file->oformat->metadata_conv,
+                                    in_file->iformat->metadata_conv);
     }
 
     /* open files and write file headers */
@@ -2065,6 +2059,8 @@ static int av_encode(AVFormatContext **output_files,
             ost = ost_table[i];
             os = output_files[ost->file_index];
             ist = ist_table[ost->source_index];
+            if(no_packet[ist->file_index])
+                continue;
             if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
                 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
             else
@@ -2087,6 +2083,12 @@ static int av_encode(AVFormatContext **output_files,
         }
         /* if none, if is finished */
         if (file_index < 0) {
+            if(no_packet_count){
+                no_packet_count=0;
+                memset(no_packet, 0, sizeof(no_packet));
+                usleep(10000);
+                continue;
+            }
             break;
         }
 
@@ -2100,7 +2102,13 @@ static int av_encode(AVFormatContext **output_files,
 
         /* read a frame from it and output it in the fifo */
         is = input_files[file_index];
-        if (av_read_frame(is, &pkt) < 0) {
+        ret= av_read_frame(is, &pkt);
+        if(ret == AVERROR(EAGAIN) && strcmp(is->iformat->name, "ffm")){
+            no_packet[file_index]=1;
+            no_packet_count++;
+            continue;
+        }
+        if (ret < 0) {
             file_table[file_index].eof_reached = 1;
             if (opt_shortest)
                 break;
@@ -2108,6 +2116,9 @@ static int av_encode(AVFormatContext **output_files,
                 continue;
         }
 
+        no_packet_count=0;
+        memset(no_packet, 0, sizeof(no_packet));
+
         if (do_pkt_dump) {
             av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
         }
@@ -2317,7 +2328,7 @@ static int opt_bitrate(const char *opt, const char *arg)
 
     opt_default(opt, arg);
 
-    if (av_get_int(avctx_opts[codec_type], "b", NULL) < 1000)
+    if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
         fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
 
     return 0;
@@ -2537,6 +2548,24 @@ static void opt_frame_aspect_ratio(const char *arg)
     frame_aspect_ratio = ar;
 }
 
+static int opt_metadata(const char *opt, const char *arg)
+{
+    char *mid= strchr(arg, '=');
+
+    if(!mid){
+        fprintf(stderr, "Missing =\n");
+        av_exit(1);
+    }
+    *mid++= 0;
+
+    metadata_count++;
+    metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
+    metadata[metadata_count-1].key  = av_strdup(arg);
+    metadata[metadata_count-1].value= av_strdup(mid);
+
+    return 0;
+}
+
 static void opt_qscale(const char *arg)
 {
     video_qscale = atof(arg);
@@ -2628,29 +2657,6 @@ static void opt_video_tag(const char *arg)
         video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
 }
 
-#if CONFIG_VHOOK
-static void add_frame_hooker(const char *arg)
-{
-    int argc = 0;
-    char *argv[64];
-    int i;
-    char *args = av_strdup(arg);
-
-    using_vhook = 1;
-
-    argv[0] = strtok(args, " ");
-    while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
-    }
-
-    i = frame_hook_add(argc, argv);
-
-    if (i != 0) {
-        fprintf(stderr, "Failed to add video hook function: %s\n", arg);
-        av_exit(1);
-    }
-}
-#endif
-
 static void opt_video_codec(const char *arg)
 {
     opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
@@ -2751,11 +2757,11 @@ static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
         avcodec_find_encoder_by_name(name) :
         avcodec_find_decoder_by_name(name);
     if(!codec) {
-        av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
+        fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
         av_exit(1);
     }
     if(codec->type != type) {
-        av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
+        fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
         av_exit(1);
     }
     return codec->id;
@@ -2775,7 +2781,7 @@ static void opt_input_file(const char *filename)
                     !strcmp(filename, "/dev/stdin");
 
     /* get default parameters from command line */
-    ic = av_alloc_format_context();
+    ic = avformat_alloc_context();
 
     memset(ap, 0, sizeof(*ap));
     ap->prealloced_context = 1;
@@ -2799,6 +2805,7 @@ static void opt_input_file(const char *filename)
     ic->video_codec_id   = find_codec_or_die(video_codec_name   , CODEC_TYPE_VIDEO   , 0);
     ic->audio_codec_id   = find_codec_or_die(audio_codec_name   , CODEC_TYPE_AUDIO   , 0);
     ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
+    ic->flags |= AVFMT_FLAG_NONBLOCK;
 
     /* open the input file with generic libav function */
     err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
@@ -2847,7 +2854,7 @@ static void opt_input_file(const char *filename)
         enc->thread_count= thread_count;
         switch(enc->codec_type) {
         case CODEC_TYPE_AUDIO:
-            set_context_opts(enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
+            set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
             //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
             channel_layout = enc->channel_layout;
             audio_channels = enc->channels;
@@ -2858,7 +2865,7 @@ static void opt_input_file(const char *filename)
                 ic->streams[i]->discard= AVDISCARD_ALL;
             break;
         case CODEC_TYPE_VIDEO:
-            set_context_opts(enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
+            set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
             frame_height = enc->height;
             frame_width = enc->width;
             if(ic->streams[i]->sample_aspect_ratio.num)
@@ -2987,11 +2994,11 @@ static void new_video_stream(AVFormatContext *oc)
     if(   (video_global_header&1)
        || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
         video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
-        avctx_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
+        avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
     }
     if(video_global_header&2){
         video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
-        avctx_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
+        avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
     }
 
     if (video_stream_copy) {
@@ -3016,7 +3023,7 @@ static void new_video_stream(AVFormatContext *oc)
 
         video_enc->codec_id = codec_id;
 
-        set_context_opts(video_enc, avctx_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
+        set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
 
         if (codec && codec->supported_framerates && !force_fps)
             fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
@@ -3130,7 +3137,7 @@ static void new_audio_stream(AVFormatContext *oc)
 
     if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
         audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
-        avctx_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
+        avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
     }
     if (audio_stream_copy) {
         st->stream_copy = 1;
@@ -3138,7 +3145,7 @@ static void new_audio_stream(AVFormatContext *oc)
     } else {
         AVCodec *codec;
 
-        set_context_opts(audio_enc, avctx_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
+        set_context_opts(audio_enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
 
         if (audio_codec_name) {
             codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
@@ -3173,7 +3180,7 @@ static void new_audio_stream(AVFormatContext *oc)
     audio_enc->sample_rate = audio_sample_rate;
     audio_enc->time_base= (AVRational){1, audio_sample_rate};
     if (audio_language) {
-        av_strlcpy(st->language, audio_language, sizeof(st->language));
+        av_metadata_set(&st->metadata, "language", audio_language);
         av_free(audio_language);
         audio_language = NULL;
     }
@@ -3204,14 +3211,14 @@ static void new_subtitle_stream(AVFormatContext *oc)
     if (subtitle_stream_copy) {
         st->stream_copy = 1;
     } else {
-        set_context_opts(avctx_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
+        set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
         subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
         output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
     }
     nb_ocodecs++;
 
     if (subtitle_language) {
-        av_strlcpy(st->language, subtitle_language, sizeof(st->language));
+        av_metadata_set(&st->metadata, "language", subtitle_language);
         av_free(subtitle_language);
         subtitle_language = NULL;
     }
@@ -3264,7 +3271,7 @@ static void opt_output_file(const char *filename)
     if (!strcmp(filename, "-"))
         filename = "pipe:";
 
-    oc = av_alloc_format_context();
+    oc = avformat_alloc_context();
 
     if (!file_oformat) {
         file_oformat = guess_format(NULL, filename, NULL);
@@ -3330,18 +3337,11 @@ static void opt_output_file(const char *filename)
 
         oc->timestamp = rec_timestamp;
 
-        if (str_title)
-            av_strlcpy(oc->title, str_title, sizeof(oc->title));
-        if (str_author)
-            av_strlcpy(oc->author, str_author, sizeof(oc->author));
-        if (str_copyright)
-            av_strlcpy(oc->copyright, str_copyright, sizeof(oc->copyright));
-        if (str_comment)
-            av_strlcpy(oc->comment, str_comment, sizeof(oc->comment));
-        if (str_album)
-            av_strlcpy(oc->album, str_album, sizeof(oc->album));
-        if (str_genre)
-            av_strlcpy(oc->genre, str_genre, sizeof(oc->genre));
+        for(; metadata_count>0; metadata_count--){
+            av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
+                                           metadata[metadata_count-1].value);
+        }
+        av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
     }
 
     output_files[nb_output_files++] = oc;
@@ -3396,6 +3396,7 @@ static void opt_output_file(const char *filename)
     oc->preload= (int)(mux_preload*AV_TIME_BASE);
     oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
     oc->loop_output = loop_output;
+    oc->flags |= AVFMT_FLAG_NONBLOCK;
 
     set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
 
@@ -3502,7 +3503,7 @@ static void show_help(void)
                       OPT_GRAB,
                       OPT_GRAB);
     printf("\n");
-    av_opt_show(avctx_opts[0], NULL);
+    av_opt_show(avcodec_opts[0], NULL);
     printf("\n");
     av_opt_show(avformat_opts, NULL);
     printf("\n");
@@ -3697,25 +3698,24 @@ static int opt_preset(const char *opt, const char *arg)
     FILE *f=NULL;
     char filename[1000], tmp[1000], tmp2[1000], line[1000];
     int i;
-    const char *base[3]= { getenv("HOME"),
-                           "/usr/local/share",
-                           "/usr/share",
+    const char *base[2]= { getenv("HOME"),
+                           FFMPEG_DATADIR,
                          };
 
-    for(i=!base[0]; i<3 && !f; i++){
-        snprintf(filename, sizeof(filename), "%s/%sffmpeg/%s.ffpreset", base[i], i ? "" : ".", arg);
+    for(i=!base[0]; i<2 && !f; i++){
+        snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
         f= fopen(filename, "r");
         if(!f){
             char *codec_name= *opt == 'v' ? video_codec_name :
                               *opt == 'a' ? audio_codec_name :
                                             subtitle_codec_name;
-            snprintf(filename, sizeof(filename), "%s/%sffmpeg/%s-%s.ffpreset", base[i],  i ? "" : ".", codec_name, arg);
+            snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i],  i ? "" : "/.ffmpeg", codec_name, arg);
             f= fopen(filename, "r");
         }
     }
     if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/' ||
               is_dos_path(arg))){
-        snprintf(filename, sizeof(filename), arg);
+        av_strlcpy(filename, arg, sizeof(filename));
         f= fopen(filename, "r");
     }
 
@@ -3766,13 +3766,8 @@ static const OptionDef options[] = {
     { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
     { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
     { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
-    { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
-    { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
-    { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
-    { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
-    { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
-    { "genre", HAS_ARG | OPT_STRING, {(void*)&str_genre}, "set the genre", "string" },
-    { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
+    { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
+    { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)&opt_metadata}, "add metadata", "string=string" },
     { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
     { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
       "add timings for benchmarking" },
@@ -3830,9 +3825,6 @@ static const OptionDef options[] = {
     { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
     { "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" },
-#if CONFIG_VHOOK
-    { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
-#endif
     { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
     { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
     { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
@@ -3896,9 +3888,9 @@ int main(int argc, char **argv)
         url_set_interrupt_cb(decode_interrupt_cb);
 
     for(i=0; i<CODEC_TYPE_NB; i++){
-        avctx_opts[i]= avcodec_alloc_context2(i);
+        avcodec_opts[i]= avcodec_alloc_context2(i);
     }
-    avformat_opts = av_alloc_format_context();
+    avformat_opts = avformat_alloc_context();
     sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
 
     show_banner();