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${ noResults }
8 Commits (f30fe5e8d002e15f07eaacf720c5654097cb62df)
| Author | SHA1 | Message | Date |
|---|---|---|---|
Alexandre Heitor Schmidt
|
ae436cc5e4 |
avformat/img2dec: add option to provide metadata fields related to input path
libavformat/img2.h: New field export_path_metadata to
VideoDemuxData to only allow the use of the extra metadata
upon explicit user request, for security reasons.
libavformat/img2dec.c: Modify image2 demuxer to make available
two special metadata entries called lavf.image2dec.source_path
and lavf.image2dec.source_basename, which represents, respectively,
the complete path to the source image for the current frame and
the basename i.e. the file name related to the current frame.
These can then be used by filters like drawtext and others. The
metadata fields will only be available when explicitly enabled
with image2 option -export_path_metadata 1.
doc/demuxers.texi: Documented the new metadata fields available
for image2 and how to use them.
doc/filters.texi: Added an example on how to use the new metadata
fields with drawtext filter, in order to plot the input file path
to each output frame.
Usage example:
ffmpeg -f image2 -export_path_metadata 1 -pattern_type glob
-framerate 18 -i '/path/to/input/files/*.jpg'
-filter_complex drawtext="fontsize=40:fontcolor=white:
fontfile=FreeSans.ttf:borderw=2:bordercolor=black:
text='%{metadata\:lavf.image2dec.source_basename\:NA}':x=5:y=50"
output.avi
Fixes #2874.
Signed-off-by: Alexandre Heitor Schmidt <alexandre.schmidt@gmail.com>
Signed-off-by: Marton Balint <cus@passwd.hu>
|
5 years ago |
Michael Niedermayer
|
7ccedc1c78 |
avformat/img2dec: do not interpret the filename by default if a IO context has been opened
With this, user applications which use custom IO and have set a IO context will not have their already opened IO context ignored and glob/seq being interpreted Comments and tests from maintainers of user apps are welcome! Liked-by: wm4 <nfxjfg@googlemail.com> Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> |
9 years ago |
tab
|
fb135139fd |
avformat: implement query_codec for the image2 muxer.
Allows avformat_query_codec to be used to check for valid image2 encoders. Reuses the existing ff_guess_image2_codec ID table. Signed-off-by: Michael Niedermayer <michael@niedermayer.cc> |
9 years ago |
Marton Balint
|
93cc5ca7ed |
lavf/img2dec: add option to disable pattern matching
Signed-off-by: Marton Balint <cus@passwd.hu> Reviewed-by: Stefano Sabatini <stefasab@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at> |
10 years ago |
Michael Niedermayer
|
7c6b0436b6 |
avformat/img2: Change enum to int, which is accessed via AVOption as int
This fixes depending on implementation defined behavior Signed-off-by: Michael Niedermayer <michaelni@gmx.at> |
10 years ago |
|
Michael Niedermayer
|
5303a644f5 |
avformat/img2: Make AVOptions available to img* demuxers defined in other files
Signed-off-by: Michael Niedermayer <michaelni@gmx.at> |
10 years ago |
|
Michael Niedermayer
|
067a9cf81a |
avformat/img2dec: make image2dec capable to be used from seperate demuxers
Reviewed-by: wm4 <nfxjfg@googlemail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at> |
11 years ago |