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ffmpeg/libavutil/timer.h
Michael Niedermayer 3edff185ab Merge remote-tracking branch 'qatar/master'
* qatar/master: (21 commits)
  ipmovie: do not read audio packets before the codec is known
  truemotion2: check size before GetBitContext initialisation
  avio: Only do implicit network initialization for network protocols
  avio: Add an URLProtocol flag for indicating that a protocol uses network
  adpcm: ADPCM Electronic Arts has always two channels
  matroskadec: Fix a bug where a pointer was cached to an array that might later move due to a realloc()
  fate: Add missing reference file from 9b4767e4.
  mov: Support MOV_CH_LAYOUT_USE_DESCRIPTIONS for labeled descriptions.
  4xm: Prevent buffer overreads.
  mjpegdec: parse RSTn to prevent skipping other data in mjpeg_decode_scan
  vp3: add fate test for non-zero last coefficient
  vp3: fix streams with non-zero last coefficient
  swscale: remove unused U/V arguments from yuv2rgb_write().
  timer: K&R formatting cosmetics
  lavf: cosmetics, reformat av_read_frame().
  lavf: refactor av_read_frame() to make it easier to understand.
  Report an error if pitch_lag is zero in AMR-NB decoder.
  Revert "4xm: Prevent buffer overreads."
  4xm: Prevent buffer overreads.
  4xm: pass the correct remaining buffer size to decode_i2_frame().
  ...

Conflicts:
	libavcodec/4xm.c
	libavcodec/mjpegdec.c
	libavcodec/truemotion2.c
	libavformat/ipmovie.c
	libavformat/mov_chan.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
2012-01-06 02:45:12 +01:00

78 lines
2.8 KiB
C

/*
* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* high precision timer, useful to profile code
*/
#ifndef AVUTIL_TIMER_H
#define AVUTIL_TIMER_H
#include <stdlib.h>
#include <stdint.h>
#include "config.h"
#if ARCH_ARM
# include "arm/timer.h"
#elif ARCH_BFIN
# include "bfin/timer.h"
#elif ARCH_PPC
# include "ppc/timer.h"
#elif ARCH_X86
# include "x86/timer.h"
#endif
#if !defined(AV_READ_TIME) && HAVE_GETHRTIME
# define AV_READ_TIME gethrtime
#endif
#ifdef AV_READ_TIME
#define START_TIMER \
uint64_t tend; \
uint64_t tstart = AV_READ_TIME(); \
#define STOP_TIMER(id) \
tend = AV_READ_TIME(); \
{ \
static uint64_t tsum = 0; \
static int tcount = 0; \
static int tskip_count = 0; \
if (tcount < 2 || \
tend - tstart < 8 * tsum / tcount || \
tend - tstart < 2000) { \
tsum+= tend - tstart; \
tcount++; \
} else \
tskip_count++; \
if (((tcount + tskip_count) & (tcount + tskip_count - 1)) == 0) { \
av_log(NULL, AV_LOG_ERROR, \
"%"PRIu64" decicycles in %s, %d runs, %d skips\n", \
tsum * 10 / tcount, id, tcount, tskip_count); \
} \
}
#else
#define START_TIMER
#define STOP_TIMER(id) { }
#endif
#endif /* AVUTIL_TIMER_H */