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Multithreaded encoder, late sync loopfilter

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Sync with loopfilter thread just at the beginning of next frame encoding.
This returns control to application faster and allows a better multicore scaling.
When PSNR packets are generated the final filtered frame is needed imediatly
so we cannot delay the sync.

Change-Id: I288d97b5e331d41d6f5bb49d97986fa12ac6f066
This commit is contained in:
Attila Nagy 2011-09-16 13:54:06 +03:00
parent 6f9457ec12
commit 380d64ecb1
1 changed files with 13 additions and 2 deletions
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15
vp8/encoder/onyx_if.c
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@ -3764,6 +3764,17 @@ static void encode_frame_to_data_rate
vp8_setup_key_frame(cpi);
}
#if CONFIG_MULTITHREAD
/* wait for loopfilter thread done (for last picture)
* don't do it for first frame, re-code and when PSNR is calculated
*/
if (cpi->b_multi_threaded && cm->current_video_frame && (!Loop) &&
(!cpi->b_calculate_psnr))
{
sem_wait(&cpi->h_event_end_lpf);
}
#endif
// transform / motion compensation build reconstruction frame
vp8_encode_frame(cpi);
@ -4136,8 +4147,8 @@ static void encode_frame_to_data_rate
vp8_pack_bitstream(cpi, dest, size);
#if CONFIG_MULTITHREAD
/* wait for loopfilter thread done */
if (cpi->b_multi_threaded)
/* if PSNR packets are generated we have to wait for the lpf */
if (cpi->b_multi_threaded && cpi->b_calculate_psnr)
{
sem_wait(&cpi->h_event_end_lpf);
}