Commit faf8eca0 authored by Ronald S. Bultje's avatar Ronald S. Bultje Committed by Michael Niedermayer

h264: remove clear_blocks call in threading init.

Init code in that if statement goes down from 26716 cycles to 26047
cycles, i.e. the removal of the clear_blocks and smaller memcpy()
together save around 670 cycles.
Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent c230af9b
...@@ -1253,7 +1253,9 @@ static int decode_update_thread_context(AVCodecContext *dst, ...@@ -1253,7 +1253,9 @@ static int decode_update_thread_context(AVCodecContext *dst,
// copy all fields after MpegEnc // copy all fields after MpegEnc
memcpy(&h->s + 1, &h1->s + 1, memcpy(&h->s + 1, &h1->s + 1,
sizeof(H264Context) - sizeof(MpegEncContext)); offsetof(H264Context, intra_gb) - sizeof(MpegEncContext));
memcpy(&h->cabac, &h1->cabac,
sizeof(H264Context) - offsetof(H264Context, cabac));
memset(h->sps_buffers, 0, sizeof(h->sps_buffers)); memset(h->sps_buffers, 0, sizeof(h->sps_buffers));
memset(h->pps_buffers, 0, sizeof(h->pps_buffers)); memset(h->pps_buffers, 0, sizeof(h->pps_buffers));
...@@ -1273,9 +1275,6 @@ static int decode_update_thread_context(AVCodecContext *dst, ...@@ -1273,9 +1275,6 @@ static int decode_update_thread_context(AVCodecContext *dst,
h->bipred_scratchpad = NULL; h->bipred_scratchpad = NULL;
h->thread_context[0] = h; h->thread_context[0] = h;
s->dsp.clear_blocks(h->mb);
s->dsp.clear_blocks(h->mb + (24 * 16 << h->pixel_shift));
} }
/* frame_start may not be called for the next thread (if it's decoding /* frame_start may not be called for the next thread (if it's decoding
......
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