FFmpeg/doc/examples
Jiasheng Jiang c64cff64a2
examples: Add check and replace av_free() to avoid potential memory errors
Add check for the return value of av_packet_alloc() to avoid potential NULL pointer dereference.
Moreover, replace redundant av_free() with fprintf().

Fixes: 9a38184a14 ("examples/decode_audio: allocate the packet dynamically")
Signed-off-by: Jiasheng Jiang <jiashengjiangcool@gmail.com>
Reviewed-by: Nicolas George <george@nsup.org>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2025-08-07 03:07:45 +02:00
..
.gitignore
Makefile
Makefile.example
README
avio_http_serve_files.c
avio_list_dir.c
avio_read_callback.c
decode_audio.c examples: Add check and replace av_free() to avoid potential memory errors 2025-08-07 03:07:45 +02:00
decode_filter_audio.c
decode_filter_video.c
decode_video.c
demux_decode.c
encode_audio.c
encode_video.c
extract_mvs.c
filter_audio.c examples: Add proper deallocations to avoid potential memory leaks 2025-08-07 03:07:44 +02:00
hw_decode.c
mux.c
qsv_decode.c
qsv_transcode.c
remux.c
resample_audio.c
scale_video.c
show_metadata.c
transcode.c
transcode_aac.c
vaapi_encode.c
vaapi_transcode.c

README

FFmpeg examples README
----------------------

Both following use cases rely on pkg-config and make, thus make sure
that you have them installed and working on your system.


Method 1: build the installed examples in a generic read/write user directory

Copy to a read/write user directory and run:
make -f Makefile.example

It will link to the libraries on your system, assuming the PKG_CONFIG_PATH is
correctly configured.

Method 2: build the examples in-tree

Assuming you are in the source FFmpeg checkout directory, you need to build
FFmpeg (no need to make install in any prefix). Then just run "make examples".
This will build the examples using the FFmpeg build system. You can clean those
examples using "make examplesclean"

If you want to try the dedicated Makefile examples (to emulate the first
method), go into doc/examples and run a command such as
PKG_CONFIG_PATH=pc-uninstalled make -f Makefile.example