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Signed-off-by: James Almer <jamrial@gmail.com>
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Also include channel_layout.h directly wherever used.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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Also include bsf.h directly wherever it is used.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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Instead return the dictionary in the state it is at the time the error
occurred. This is more in line with the description of this parameter
and allows to notify the user of unrecognized options if an error
happens lateron (which might very well be due to e.g. misspelled
options).
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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It is no longer necessary now that ff_frame_thread_encoder_init()
no longer receives an options dictionary.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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avcodec_open2() allows to provide options via an AVDictionary;
but it is also allowed to set options by simply setting the value
of the AVCodecContext or via the AVOptions API if the codec has
a private class. Any options provided via an AVDictionary have already
been applied before ff_frame_thread_init(), so in order to copy
all the options from the main AVCodecContext and its private context,
it is enough to av_opt_copy() these options.
The current code does this, but it does more: It also copies the
user-provided AVDictionary and uses it for the initialization of
each of the worker-AVCodecContexts. This is completely unnecessary,
because said options have already been copied from the main context.
Furthermore, these options were also examined to decide if frame
threading should be used for huffman encoding in case this would incur
nondeterminism. This is wrong, because options not set via
an AVDictionary are ignored. Instead inspect the values stored in the
contexts directly. (In order to maintain the current behaviour, the
default value of the "non_deterministic" option has been changed to false,
because the absence of an entry with said key in the AVDictionary
had the consequence of disallowing nondeterminism.)
Finally, the AVDictionary has been removed from the signature of
ff_frame_thread_encoder_init().
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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Compared to the earlier behaviour the following changes:
a) AVCodecInternal.byte_buffer is freed.
b) The last_pkt_props FIFO is emptied before freeing it.
c) If set AVCodecContext.hwaccel is uninitialized and its private data
is freed; hw_frames_ctx and hw_device_ctx are also unreferenced.
d) coded_side_data is freed.
e) active_thread_type is reset.
a), b), d) should be no-ops as the buffer/fifo should be empty and
no coded_side_data should exist at any point of avcodec_open2().
e) is obviously not bad.
c) is in accordance with the documentation of hw_(frames|device)_ctx
which states that libacodec takes over ownership of these references.
At least in the case of VC-1 it is possible for the hw acceleration to
be set during init and in this case freeing it actually fixes a memleak.
avcodec_close() needed only minor adjustments to make it work with
a potentially not fully initialized codec.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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Right now all AVCodecContexts except those using frame-threaded decoding
call the codec's init function and expect its close function to be
called. In order to make sure that the close function is not called for
frame-threaded decoding ff_frame_thread_free() resets
AVCodecContext.codec (and because of this it has to free the private
AVOptions of the main AVCodecContext itself). This is not obvious and
potentially fragile. Instead add a field to AVCodecInternal that
indicates whether close should be called for this AVCodecContext.
It is always zero when using frame-threaded decoding, so that resetting
the codec is no longer necessary and has been removed.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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The frame_thread_encoder has so far not been freed in case an error
happened in avcodec_open2() after ff_frame_thread_encoder_init().
This commit changes this.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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Deprecated in commits 7fc329e2dd6226dfecaa4a1d7adf353bf2773726
and 31f6a4b4b83aca1d73f3cfc99ce2b39331970bf3.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Signed-off-by: James Almer <jamrial@gmail.com>
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Deprecated in 40cf1bbacc6220a0aa6bed5c331871d43f9ce370.
(The currently disabled filter vf_mcdeint and vf_uspp were users of
this field; they have not been changed, so that whoever wants to fix
them can see the state of these filters when they were disabled.)
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Signed-off-by: James Almer <jamrial@gmail.com>
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Deprecated in a04c2c707de2ce850f79870e84ac9d7ec7aa9143.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
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It is only supposed to be freed by libavcodec for decoders, yet
avcodec_open2() always frees it on failure.
Furthermore, avcodec_close() doesn't free it for decoders.
Both of this has been changed.
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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It automatically records the current length of the string,
whereas the current code contains lots of instances of
snprintf(buf + strlen(buf), buf_size - strlen(buf), ...).
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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If the numerical constants for colorspace, transfer characteristics
and color primaries coincide, the current code presumes the
corresponding names to be identical and prints only one of them obtained
via av_get_colorspace_name(). There are two issues with this: The first
is that the underlying assumption is wrong: The names only coincide in
the 0-7 range, they differ for more recent additions. The second is that
av_get_colorspace_name() is outdated itself; it has not been updated
with the names of the newly defined colorspaces.
Fix both of this by using the names from
av_color_(space|primaries|transfer)_name() and comparing them via
strcmp; don't use av_get_colorspace_name() at all.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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Our "get name" functions can return NULL for invalid/unknown
arguments. So check for this.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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This is how it is supposed to happen, yet when using frame threading,
the codec's init function has been called before preinit. This can lead
to crashes when e.g. using unsupported lowres values for decoders
together with frame threading.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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Also move them to ff_decode_preinit().
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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These fields can't be set via AVOptions, ergo one can check them before
having allocated anything.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
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Signed-off-by: James Almer <jamrial@gmail.com>
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Originally committed as revision 3539 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 3310 to svn://svn.ffmpeg.org/ffmpeg/trunk
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com>)
Originally committed as revision 2024 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 1634 to svn://svn.ffmpeg.org/ffmpeg/trunk
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* demo code - awating more comments
Originally committed as revision 1569 to svn://svn.ffmpeg.org/ffmpeg/trunk
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Originally committed as revision 1193 to svn://svn.ffmpeg.org/ffmpeg/trunk
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- comments, critics, improvements on the ffmpeg list are welcomed
Originally committed as revision 494 to svn://svn.ffmpeg.org/ffmpeg/trunk
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