This matrix needs to be applied after all others have (currently only
display matrix from trak), but cannot be handled in movie box, since
streams are not allocated yet. So store it in main context, and apply
it when appropriate, that is after parsing the tkhd one.
Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Using the decode interrupt feature of ffmpeg may cause crashes by
accessing previously freed pointers in matroska_read_close.
To prevent this reset nb_elem to zero after freeing the elements,
because ffmpeg normally tests for nb_elem.
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
The code calls av_new_packet a few lines above and the allocated memory
has to be freed in case of an error.
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
mythtv have problem with non-seekable dont write duration and filesize
and there have problem with some other server and player with 0 value
duation and filesize.
So add a flv flags to fix the ticket and make a choose for users.
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
Otherwise the codec context and codecpar might disagree on the codec id,
triggering asserts in av_parser_parse2.
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
This fixes division by zero crashes.
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Metadata streams have priv_data set to NULL.
Reviewed-by: Josh de Kock <josh@itanimul.li>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Based on the draft spec at https://git.xiph.org/?p=flac.git;a=blob;f=doc/isoflac.txt
'-strict experimental' is required to create files in this format.
Signed-off-by: Matthew Gregan <kinetik@flim.org>
Signed-off-by: James Almer <jamrial@gmail.com>
FLAC streams originating from the FLAC encoder send updated and more
complete STREAMINFO metadata as part of the last packet, so write that
to CodecPrivate instead of the incomplete one available in extradata
during init.
Signed-off-by: James Almer <jamrial@gmail.com>
A negative extradata size for example gets passed to memcpy in
avcodec_parameters_from_context causing a segmentation fault.
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
This makes av_stream_add_side_data() consistent with av_packet_add_side_data().
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
Functionally similar to av_packet_add_side_data(). Allows the use of an
already allocated buffer as stream side data.
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
when parsing keyframe index metadata, list the message by trace log
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This reverts commit e0c6b32046f4bab7d34be77dd2f03b2a80c86d39.
Said commit changed the behavior of the demuxer and decoder in a non
backwards compatible way.
Demuxers should make extradata available at init if possible, and send
new extradata as side data within a packet if needed.
A better fix for the remuxing crash will follow.
Signed-off-by: James Almer <jamrial@gmail.com>
Fixes division by 0
This is similar to how avg_frame_rate is checked elsewhere
Fixes: 6d24add0455f41b1b45b7ba615cd46f3/asan_generic_dc34c3_5480_0a2ef411cae999b9871ed71a2e481b71.mov
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
* commit '4f7723cb3b913c577842a5bb088c804ddacac8df':
movenc: Add an option for skipping writing the mfra/tfra/mfro trailer
Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
* commit '029cf99c5166b36f33381cd8ebfa5f1f1f463d1f':
mov: Save number of stsd elements after stream extradata allocation
Mostly noop, see 8b43ee4054af799e388d380b379a13a60849c1b5
Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
* commit '785c25443b56adb6dbbb78d68cccbd9bd4a42e05':
movenc: Apply offsets on timestamps when peeking into interleaving queues
Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>
This prevents a division by zero in read_packet.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Fixes valgrind warning about "Conditional jump or move depends on uninitialised value(s)"
Reviewed-by: Andreas Cadhalpun <andreas.cadhalpun@googlemail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
Fixes https://trac.ffmpeg.org/ticket/5940#ticket
Reviewed-by: Michael Niedermayer <<michael@niedermayer.cc>>
Signed-off-by: Robert Nagy <ronag89@gmail.com>
Signed-off-by: Steven Liu <lingjiujianke@gmail.com>
It can read less than the requested amount, in which case buf contains
uninitialized data, causing problems like segmentation faults later on.
Also make sure that image->size is positive, so that it can't match a
negative error code.
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Add keyframe index metadata
Used to facilitate seeking; particularly for HTTP pseudo streaming.
1. read live streaming or file by sequence
2. if use add_keyframe_index option, add a mark flag at the position,
use to insert new context at the last step.
3. add the keyframes *offset* and *timestamp* into a list
4. if use add_keyframe_index option, shift the metadata data from
mark flag offset
5. insert the keyframes *offset* and *timestamp* from the list by
sequence
6. free the list
7. end.
Add FATE test case;
Reviewed-by: Lou Logan <lou@lrcd.com>
Signed-off-by: Steven Liu <liuqi@gosun.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
