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avformat/avio: Move internal AVIOContext fields to avio_internal.h

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Currently AVIOContext's private fields are all over AVIOContext.
This commit moves them into a new structure in avio_internal.h instead.
Said structure contains the public AVIOContext as its first element
in order to avoid having to allocate a separate AVIOContextInternal
which is costly for those use cases where one just wants to access
an already existing buffer via the AVIOContext-API.
For these cases ffio_init_context() can't fail and always returned zero,
which was typically not checked. Therefore it has been made to not
return anything.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2021-08-04 16:52:07 +02:00
parent 530ac6aa30
commit 45bfe8b838
28 changed files with 295 additions and 271 deletions
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4
libavformat/mmst.c
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@ -154,13 +154,13 @@ static int send_command_packet(MMSTContext *mmst)
static int mms_put_utf16(MMSContext *mms, const uint8_t *src)
{
AVIOContext bic;
FFIOContext bic;
int size = mms->write_out_ptr - mms->out_buffer;
int len;
ffio_init_context(&bic, mms->write_out_ptr,
sizeof(mms->out_buffer) - size, 1, NULL, NULL, NULL, NULL);
len = avio_put_str16le(&bic, src);
len = avio_put_str16le(&bic.pub, src);
if (len < 0)
return len;
mms->write_out_ptr += len;