to inform user why decoder produces no output.



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signalled as having a channel configuration of 1 in output_configure().
Previously this didn't matter but it does now.


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the C version of that rather than float_to_int16.
Fixes output on ARM/VFP

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See the thread:
"[FFmpeg-devel] [PATCH] Add w,h fields to AVFilterPic".


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It is only enabled when the DEBUG symbol is defined.


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Somehow this function was never used.

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Patch by Nathan Caldwell, saintdev gmail


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search for real extradata start instead of always skipping one byte.

Patch by Andrew Dennison gmailify(${name}d, lists)
Thread: [PATCH] Fix VC1 "Incomplete extradata" for mkv files generated by eac3to



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make it more consistent with libavformat/output-example.



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This prevents the demuxer from exporting multiple semantically identical but
differently named tags.

Patch by Anton Khirnov, wyskas gmail


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compression level 1 is now compression level 2 and is still the default.


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	r18826 | stefano | 2009-05-14 20:50:58 +0200 (Thu, 14 May 2009) | 2 lines
	Make av_set_string3() print a message in case of unknown option.

This change led to multiple identical error messages to be printed if an option
was not found.


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Patch by Anton Khirnov <wyskas at gmail dot com>

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Patch by Anton Khirnov <wyskas at gmail dot com>

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pcm_read_seek() puts the return value of url_fseek() in an int and then
compares < 0 to see if an error occurred; if the position is greater
than 2 GB, the 32-bit signed int result will be < 0.

Change the type of ret to int64_t to avoid the wraparound.

patch by Daniel Verkamp, daniel drv nu


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Patch by Ian Caulfield, ian D caulfield A gmail 


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- Move v5 and v6 initialisation to separate files.
- Move NEON IDCT selection to ff_dsputil_init_neon()

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Patch by wallak, wallak free fr


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