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author | Kevin Mitchell <kevmitch@gmail.com> | 2014-11-01 04:10:15 -0700 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2014-11-01 18:04:35 +0100 |
commit | ae6118de19a5fc02631842baf20675fa370f7a94 (patch) | |
tree | 7979fb528ff36d21c8886c7d4bc6b6624ff59e68 | |
parent | 2847843868c9d7d7e75e771fd79136a00840a8aa (diff) | |
download | ffmpeg-streaming-ae6118de19a5fc02631842baf20675fa370f7a94.zip ffmpeg-streaming-ae6118de19a5fc02631842baf20675fa370f7a94.tar.gz |
avfilter/idet: add current frame classification to metadata
Fixes ticket 3832
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r-- | doc/filters.texi | 13 | ||||
-rw-r--r-- | libavfilter/vf_idet.c | 12 |
2 files changed, 20 insertions, 5 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 7be29de..33f842b 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -5577,9 +5577,17 @@ Detect video interlacing type. This filter tries to detect if the input is interlaced or progressive, top or bottom field first. +Single frame detection considers only immediately adjacent frames when classifying each frame. +Multiple frame detection incorporates the classification history of previous frames. + The filter will log these metadata values: @table @option +@item single.current_frame +Detected type of current frame using single-frame detection. One of: +``tff'' (top field first), ``bff'' (bottom field first), +``progressive'', or ``undetermined'' + @item single.tff Cumulative number of frames detected as top field first using single-frame detection. @@ -5589,6 +5597,11 @@ Cumulative number of frames detected as top field first using multiple-frame det @item single.bff Cumulative number of frames detected as bottom field first using single-frame detection. +@item multiple.current_frame +Detected type of current frame using multiple-frame detection. One of: +``tff'' (top field first), ``bff'' (bottom field first), +``progressive'', or ``undetermined'' + @item multiple.bff Cumulative number of frames detected as bottom field first using multiple-frame detection. diff --git a/libavfilter/vf_idet.c b/libavfilter/vf_idet.c index 56d4cfa..6f99f39 100644 --- a/libavfilter/vf_idet.c +++ b/libavfilter/vf_idet.c @@ -40,10 +40,10 @@ AVFILTER_DEFINE_CLASS(idet); static const char *type2str(Type type) { switch(type) { - case TFF : return "Top Field First "; - case BFF : return "Bottom Field First"; - case PROGRESSIVE : return "Progressive "; - case UNDETERMINED : return "Undetermined "; + case TFF : return "tff"; + case BFF : return "bff"; + case PROGRESSIVE : return "progressive"; + case UNDETERMINED : return "undetermined"; } return NULL; } @@ -149,13 +149,15 @@ static void filter(AVFilterContext *ctx) idet->prestat [ type] ++; idet->poststat[idet->last_type] ++; - av_log(ctx, AV_LOG_DEBUG, "Single frame:%s, Multi frame:%s\n", type2str(type), type2str(idet->last_type)); + av_log(ctx, AV_LOG_DEBUG, "Single frame:%12s, Multi frame:%12s\n", type2str(type), type2str(idet->last_type)); + av_dict_set (metadata, "lavfi.idet.single.current_frame", type2str(type), 0); av_dict_set_int(metadata, "lavfi.idet.single.tff", idet->prestat[TFF], 0); av_dict_set_int(metadata, "lavfi.idet.single.bff", idet->prestat[BFF], 0); av_dict_set_int(metadata, "lavfi.idet.single.progressive", idet->prestat[PROGRESSIVE], 0); av_dict_set_int(metadata, "lavfi.idet.single.undetermined", idet->prestat[UNDETERMINED], 0); + av_dict_set (metadata, "lavfi.idet.multiple.current_frame", type2str(idet->last_type), 0); av_dict_set_int(metadata, "lavfi.idet.multiple.tff", idet->poststat[TFF], 0); av_dict_set_int(metadata, "lavfi.idet.multiple.bff", idet->poststat[BFF], 0); av_dict_set_int(metadata, "lavfi.idet.multiple.progressive", idet->poststat[PROGRESSIVE], 0); |