Andreas Cadhalpun
482c86f231
fix spelling errors
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opttimizations -> optimizations
grabing -> grabbing
many resource -> many resources
isnt -> isn't
silcense -> silence
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Zhang Rui
ca2e3e47fc
avformat/cache: pass options to the underlying protocol via the url_open2
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Michael Niedermayer
0704c44d68
avformat/cache: remove ftruncate usage, its not always available
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In case of errors the cache file will be slightly larger than needed,
this should have no practical relevance though
Should fix build on VS201*
Found-by: jamrial
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Michael Niedermayer
7c210c4424
avformat/cache: Extend cache entries if possible instead of creating new ones
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This reduces the number of cache entries and should significantly
reduce memory requirements
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Michael Niedermayer
312151bb9a
avformat/cache: avoid lseek() on reading from the cache if possible
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Michael Niedermayer
ce3551896a
avformat/cache: keep cache_pos updated
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Michael Niedermayer
954fc854f2
avformat/cache: cleanup cache file on cache write failure
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Michael Niedermayer
8706910c4c
avformat/cache: Support user specified read-ahead for non seekable media
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Fixes Ticket2406
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Michael Niedermayer
7018d3d351
avformat/cache: Use the correct io handle in seeking
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Michael Niedermayer
dedd3c89ae
avformat/cache: more informative error message
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Michael Niedermayer
681559d3ff
avformat/cache: remember EOF point if hit and use it to handle SEEK_END
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Michael Niedermayer
0c0168a210
avformat/cache: support non continuous caching
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This allows using the cache protocol on top of seekable but slow protocols to
speed them up
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
10 years ago
Michael Niedermayer
eb19d89d8e
cache: check lseek() return
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Fixes CID717496
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Derek Buitenhuis
af2a17c09a
cache: Only include unistd.h if it exists
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This follows suite from f3be359707
.
Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago
Michael Niedermayer
e81e0b9991
cache: fix "warning: passing argument 2 of ‘av_tempfile’ from incompatible pointer type"
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Jean First
576ada791a
cache: use av_freep instead of av_free in cache_open
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Signed-off-by: Jean First <jeanfirst@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Jean First
3ceb4c907e
cache: remove unused variable in cache_open
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Signed-off-by: Jean First <jeanfirst@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
74dbb5388e
av_tempfile: Pass int log_offset, void *log_ctx
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
9329d36a3a
cache: add todo list
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
02b651a7e3
cache: Fallback to using the cache size for AVSEEK_SIZE if the underlaying protocol has nothing better.
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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago
Michael Niedermayer
e9f62a8b2b
add cache protocol
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This allows backward seeking on top of some non seekable streams.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
13 years ago