Merge commit '94599a6de3822b13c94096d764868128f388ba28'

[ffmpeg] / ffmpeg_opt.c

diff --git a/ffmpeg_opt.c b/ffmpeg_opt.c
index 75c80e792e2847c98a014c61a6bd2f789a15bb01..8edc98865c7757ec364088d61505099e61036d5a 100644 (file)
--- a/ffmpeg_opt.c
+++ b/ffmpeg_opt.c
@@ -111,6 +111,8 @@ static int do_psnr            = 0;
 static int input_sync;
 static int override_ffserver  = 0;
 static int input_stream_potentially_available = 0;
+static int ignore_unknown_streams = 0;
+static int copy_unknown_streams = 0;
 
 static void uninit_options(OptionsContext *o)
 {
@@ -602,6 +604,9 @@ static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
         ist->ts_scale = 1.0;
         MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
 
+        ist->autorotate = 1;
+        MATCH_PER_STREAM_OPT(autorotate, i, ist->autorotate, ic, st);
+
         MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
         if (codec_tag) {
             uint32_t tag = strtol(codec_tag, &next, 0);
@@ -924,7 +929,20 @@ static int open_input_file(OptionsContext *o, const char *filename)
 
     /* if seeking requested, we execute it */
     if (o->start_time != AV_NOPTS_VALUE) {
-        ret = avformat_seek_file(ic, -1, INT64_MIN, timestamp, timestamp, 0);
+        int64_t seek_timestamp = timestamp;
+
+        if (!(ic->iformat->flags & AVFMT_SEEK_TO_PTS)) {
+            int dts_heuristic = 0;
+            for (i=0; i<ic->nb_streams; i++) {
+                AVCodecContext *avctx = ic->streams[i]->codec;
+                if (avctx->has_b_frames)
+                    dts_heuristic = 1;
+            }
+            if (dts_heuristic) {
+                seek_timestamp -= 3*AV_TIME_BASE / 23;
+            }
+        }
+        ret = avformat_seek_file(ic, -1, INT64_MIN, seek_timestamp, seek_timestamp, 0);
         if (ret < 0) {
             av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
                    filename, (double)timestamp / AV_TIME_BASE);
@@ -1549,6 +1567,19 @@ static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc, int
     return ost;
 }
 
+static OutputStream *new_unknown_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
+{
+    OutputStream *ost;
+
+    ost = new_output_stream(o, oc, AVMEDIA_TYPE_UNKNOWN, source_index);
+    if (!ost->stream_copy) {
+        av_log(NULL, AV_LOG_FATAL, "Unknown stream encoding not supported yet (only streamcopy)\n");
+        exit_program(1);
+    }
+
+    return ost;
+}
+
 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc, int source_index)
 {
     OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT, source_index);
@@ -2001,10 +2032,22 @@ loop_end:
                 case AVMEDIA_TYPE_SUBTITLE:   ost = new_subtitle_stream  (o, oc, src_idx); break;
                 case AVMEDIA_TYPE_DATA:       ost = new_data_stream      (o, oc, src_idx); break;
                 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc, src_idx); break;
+                case AVMEDIA_TYPE_UNKNOWN:
+                    if (copy_unknown_streams) {
+                        ost = new_unknown_stream   (o, oc, src_idx);
+                        break;
+                    }
                 default:
-                    av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
+                    av_log(NULL, ignore_unknown_streams ? AV_LOG_WARNING : AV_LOG_FATAL,
+                           "Cannot map stream #%d:%d - unsupported type.\n",
                            map->file_index, map->stream_index);
-                    exit_program(1);
+                    if (!ignore_unknown_streams) {
+                        av_log(NULL, AV_LOG_FATAL,
+                               "If you want unsupported types ignored instead "
+                               "of failing, please use the -ignore_unknown option\n"
+                               "If you want them copied, please use -copy_unknown\n");
+                        exit_program(1);
+                    }
                 }
             }
         }
@@ -2181,8 +2224,11 @@ loop_end:
                 continue;
             ist = input_streams[output_streams[i]->source_index];
             av_dict_copy(&output_streams[i]->st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
-            if (!output_streams[i]->stream_copy)
+            if (!output_streams[i]->stream_copy) {
                 av_dict_set(&output_streams[i]->st->metadata, "encoder", NULL, 0);
+                if (ist->autorotate)
+                    av_dict_set(&output_streams[i]->st->metadata, "rotate", NULL, 0);
+            }
         }
 
     /* process manually set metadata */
@@ -2203,8 +2249,12 @@ loop_end:
         parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
         if (type == 's') {
             for (j = 0; j < oc->nb_streams; j++) {
+                ost = output_streams[nb_output_streams - 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);
+                    if (!strcmp(o->metadata[i].u.str, "rotate")) {
+                        ost->rotate_overridden = 1;
+                    }
                 } else if (ret < 0)
                     exit_program(1);
             }
@@ -2832,6 +2882,10 @@ const OptionDef options[] = {
         "overwrite output files" },
     { "n",              OPT_BOOL,                                    {              &no_file_overwrite },
         "never overwrite output files" },
+    { "ignore_unknown", OPT_BOOL,                                    {              &ignore_unknown_streams },
+        "Ignore unknown stream types" },
+    { "copy_unknown",   OPT_BOOL | OPT_EXPERT,                       {              &copy_unknown_streams },
+        "Copy unknown stream types" },
     { "c",              HAS_ARG | OPT_STRING | OPT_SPEC |
                         OPT_INPUT | OPT_OUTPUT,                      { .off       = OFFSET(codec_names) },
         "codec name", "codec" },
@@ -2877,7 +2931,7 @@ const OptionDef options[] = {
     { "itsscale",       HAS_ARG | OPT_DOUBLE | OPT_SPEC |
                         OPT_EXPERT | OPT_INPUT,                      { .off = OFFSET(ts_scale) },
         "set the input ts scale", "scale" },
-    { "timestamp",      HAS_ARG | OPT_PERFILE,                       { .func_arg = opt_recording_timestamp },
+    { "timestamp",      HAS_ARG | OPT_PERFILE | OPT_OUTPUT,          { .func_arg = opt_recording_timestamp },
         "set the recording timestamp ('now' to set the current time)", "time" },
     { "metadata",       HAS_ARG | OPT_STRING | OPT_SPEC | OPT_OUTPUT, { .off = OFFSET(metadata) },
         "add metadata", "string=string" },
@@ -3069,6 +3123,9 @@ const OptionDef options[] = {
 #if HAVE_VDPAU_X11
     { "vdpau_api_ver", HAS_ARG | OPT_INT | OPT_EXPERT, { &vdpau_api_ver }, "" },
 #endif
+    { "autorotate",       HAS_ARG | OPT_BOOL | OPT_SPEC |
+                          OPT_EXPERT | OPT_INPUT,                                { .off = OFFSET(autorotate) },
+        "automatically insert correct rotate filters" },
 
     /* audio options */
     { "aframes",        OPT_AUDIO | HAS_ARG  | OPT_PERFILE | OPT_OUTPUT,           { .func_arg = opt_audio_frames },