Age | Commit message (Collapse) | Author |
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Also give a more suitable name to the MMI-optimized IDCT;
it is not PS2-specific, as the name currently suggests.
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It is obscure, most likely unused and not bit-exact compared to
libavcodec due to a different IDCT transform algorithm.
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This way, if the AVCodecContext is allocated for a specific codec, the
caller doesn't need to store this codec separately and then pass it
again to avcodec_open2().
It also allows to set codec private options using av_opt_set_* before
opening the codec.
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It allows to check whether an AVCodecContext is open in a documented
way. Right now the undocumented way this check is done in lavf/lavc is
by checking whether AVCodecContext.codec is NULL. However it's desirable
to be able to set AVCodecContext.codec before avcodec_open2().
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Using threaded decoding by default breaks backward compatibility if
AVHWAccel is used or if an appliction sets threadunsafe callbacks.
Avconv and avplay still use -threads auto if not specified.
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Signed-off-by: Anton Khirnov <anton@khirnov.net>
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Adds a new member to MpegEncContext to hold the number of used slice
contexts. Fixes segfaults with '-threads 17 -thread_type slice' and
fate-vsynth{1,2}-mpeg{2,4}thread{,_ilace} with --disable-pthreads.
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A negative number of threads does not make sense and 0 is used for
autodetection. Adds a symbolic name for autodetection.
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A new field, AVCodecContext.internal is used to hold a new struct
AVCodecInternal, which has private fields that are not codec-specific and are
used by general libavcodec functions.
Moved internal_buffer, internal_buffer_count, and is_copy.
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libavcodec/options.c:583: warning: assignment discards qualifiers from pointer
target type
libavcodec/options.c:589: warning: initialization discards qualifiers from
pointer target type
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This allows it to use the defaults specified by preset/tune,
without overwriting it with the default value from the
AVCodecContext field.
Signed-off-by: Martin Storsjö <martin@martin.st>
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This makes the code compile when FF_API_X264_GLOBAL_OPTS or
FF_API_LAME_GLOBAL_OPTS is 0.
Signed-off-by: Martin Storsjö <martin@martin.st>
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This function used to set codec_type. With the current fallback
implementation based on avcodec_get_context_defaults3, codec_type
won't be set to the value passed in, but will be set to
AVMEDIA_TYPE_UNKNOWN. Legacy callers of this function might expect
this field to be set to the value passed in.
Signed-off-by: Martin Storsjö <martin@martin.st>
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Signed-off-by: Anton Khirnov <anton@khirnov.net>
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Deprecate avcodec_get_context_defaults/avcodec_get_context_defaults2
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Signed-off-by: Anton Khirnov <anton@khirnov.net>
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This will allow the caller to enumerate child contexts in a generic way
and since the API is recursive, it also allows for deeper nesting (e.g.
AVFormatContext->AVIOContext->URLContext)
This will also allow the new setting/reading API to transparently apply
to children contexts.
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It's only shadowing the AVOption with the same name.
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It's a hack which was created to allow for multiple options with
different defaults to refer to same field (e.g. 'b' vs 'ab'). There is
no need for it anymore.
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Deprecate AVCodecContext.directpred
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Deprecate AVCodecContext.partitions.
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Deprecate AVCodecContext.complexityblur
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Deprecate AVCodecContext.deblockalpha/deblockbeta
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Deprecate AVCodecContext.bframebias.
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Specifically: gop_size, max_b_frames, scenechange_threshold, qmin, qmax,
max_qdiff, qblur, qcompress and refs.
Change their default values to -1 and only use them if the user
explicitly set them. Otherwise x264 defaults are used.
Move setting those options after x264_param_default_preset(), so they
don't get overwritten by it.
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It should be flags, not int.
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It allows to search for options only with AVClass, without allocating
the corresponding context.
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Deprecate CODEC_FLAG_SVCD_SCAN_OFFSET
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Deprecate CODEC_FLAG_H263P_SLICE_STRUCT
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