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avcodec/avcodec: Warn about data returned from get_buffer*()

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Text based on suggestion by: epirat07@gmail.com
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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Michael Niedermayer 2024-08-17 01:11:50 +02:00
parent 4230379835
commit 8657eb9c3f
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6
doc/APIchanges
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@ -2,6 +2,12 @@ The last version increases of all libraries were on 2024-03-07
API changes, most recent first:
2024-08-xx - xxxxxxxxx - lavc 61.11.100- avcodec.h
Clarify the documentation for get_buffer*() functions, making it
clear that the memory returned by them should not contain sensitive
information. This is not a change in the API, it is how it already worked
before.
2024-08-10 - xxxxxxxxx - lavu 59.34.100 - hwcontext_vulkan.h
Add qf and nb_qf to AVVulkanDeviceContext.
Deprecate queue_family_index, nb_graphics_queues,

4
libavcodec/avcodec.h
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@ -1175,6 +1175,10 @@ typedef struct AVCodecContext {
* this callback and filled with the extra buffers if there are more
* buffers than buf[] can hold. extended_buf will be freed in
* av_frame_unref().
* Decoders will generally initialize the whole buffer before it is output
* but it can in rare error conditions happen that uninitialized data is passed
* through. \important The buffers returned by get_buffer* should thus not contain sensitive
* data.
*
* If AV_CODEC_CAP_DR1 is not set then get_buffer2() must call
* avcodec_default_get_buffer2() instead of providing buffers allocated by