[FFmpeg-devel] [PATCH] DV muxer: reduce audio fifo size to AVCODEC_MAX_AUDIO_FRAME_SIZE
Fri Jan 29 05:02:14 CET 2010
M?ns Rullg?rd <mans at mansr.com> writes:
> Baptiste Coudurier <baptiste.coudurier at gmail.com> writes:
>> On 09/10/2009 01:12 PM, Janne Grunau wrote:
>>> after changing the fifo avaible space check to av_fifo_space, it's
>>> possible to realloc the audio fifos in the DV muxer. The default size is
>>> 100 * AVCODEC_MAX_AUDIO_FRAME_SIZE, currently 19 megabyte per stream.
>>> The short sample muxed during lavftest doesn't need to realloc the fifo
>>> from the new default size of AVCODEC_MAX_AUDIO_FRAME_SIZE. The largest
>>> realloc I've seen during testing was to 6M. Reducing the memory
>>> consumption of the DV muxer by a factor of 2 (meassured with massif).
>> The correct way to mux audio in dv is to use audio interleave code
>> mechanism in audiointerleave.c
> So is anyone planning on fixing this? Is the dv maintainer drunk
If nobody shows any inclination to fix this "properly" soon, I'll
apply this patch as is. That ridiculous allocation is becoming
bothersome on small systems.
mans at mansr.com
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