It was tested on a Core i3-2310M Processor with 2 cores and 4 threads.
On Mon, Jan 9, 2012 at 1:03 AM, Janne Grunau <[email protected]> wrote:
> On 2012-01-09 00:49:46 +0530, Aneesh Dogra wrote:
> > >> time ./avconv -i file.avi -f null -
> > Before : real 0m7.784s
> > After : real 0m3.662s
> >
> > Tested on a Intel Core i3 Processor.
>
> how many cores? hyperthreading?
>
> > ---
> > libavcodec/utvideo.c | 11 +++++++----
> > 1 files changed, 7 insertions(+), 4 deletions(-)
> >
> > diff --git a/libavcodec/utvideo.c b/libavcodec/utvideo.c
> > index d105d29..89854c2 100644
> > --- a/libavcodec/utvideo.c
> > +++ b/libavcodec/utvideo.c
> > @@ -31,6 +31,7 @@
> > #include "bytestream.h"
> > #include "get_bits.h"
> > #include "dsputil.h"
> > +#include "thread.h"
> >
> > enum {
> > PRED_NONE = 0,
> > @@ -366,15 +367,17 @@ static int decode_frame(AVCodecContext *avctx,
> void *data, int *data_size, AVPac
> > int ret;
> >
> > if (c->pic.data[0])
> > - avctx->release_buffer(avctx, &c->pic);
> > + ff_thread_release_buffer(avctx, &c->pic);
> >
> > c->pic.reference = 1;
> > c->pic.buffer_hints = FF_BUFFER_HINTS_VALID;
> > - if ((ret = avctx->get_buffer(avctx, &c->pic)) < 0) {
> > + if ((ret = ff_thread_get_buffer(avctx, &c->pic)) < 0) {
> > av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
> > return ret;
> > }
> >
> > + ff_thread_finish_setup(avctx);
> > +
> > /* parse plane structure to retrieve frame flags and validate slice
> offsets */
> > ptr = buf;
> > for (i = 0; i < c->planes; i++) {
> > @@ -557,7 +560,7 @@ static av_cold int decode_end(AVCodecContext *avctx)
> > UtvideoContext * const c = avctx->priv_data;
> >
> > if (c->pic.data[0])
> > - avctx->release_buffer(avctx, &c->pic);
> > + ff_thread_release_buffer(avctx, &c->pic);
> >
> > av_freep(&c->slice_bits);
> >
> > @@ -572,7 +575,7 @@ AVCodec ff_utvideo_decoder = {
> > .init = decode_init,
> > .close = decode_end,
> > .decode = decode_frame,
> > - .capabilities = CODEC_CAP_DR1,
> > + .capabilities = CODEC_CAP_DR1 | CODEC_CAP_FRAME_THREADS,
> > .long_name = NULL_IF_CONFIG_SMALL("Ut Video"),
> > };
>
> patch looks good
>
> Janne
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>
--
Thanks
Aneesh Dogra (lionaneesh)
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