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• checkasm : Explicitly declare function prototypes

  20 août 2015, par Henrik Gramner

  checkasm : Explicitly declare function prototypes
  Now we no longer have to rely on function pointers intentionally
  
  declared without specified argument types.
  This makes it easier to support functions with floating point parameters
  
  or return values as well as functions returning 64-bit values on 32-bit
  
  architectures. It also avoids having to explicitly cast strides to
  
  ptrdiff_t for example.
  Signed-off-by : Anton Khirnov <anton@khirnov.net>
  

  • [DBH] tests/checkasm/Makefile
  • [DBH] tests/checkasm/bswapdsp.c
  • [DBH] tests/checkasm/checkasm.c
  • [DBH] tests/checkasm/checkasm.h
  • [DBH] tests/checkasm/h264pred.c
  • [DBH] tests/checkasm/h264qpel.c
  • [DBH] tests/checkasm/x86/checkasm.asm

• Installing faad library for ffmpeg through Homebrew on mac OS X Lion

  14 décembre 2011, par alex

  Following up with my previous question, I decided to give Ffmpeg a try and installed it on my Mac with Homebrew.

  I am now trying to follow this tutorial and use the linked script. But can't make/install the script. I first corrected a small bug (replaced CODEC_TYPE_AUDIO, CODEC_TYPE_VIDEO and PKT_FLAG_KEY with AVMEDIA_TYPE_AUDIO, AVMEDIA_TYPE_VIDEO, and AV_PKT_FLAG_KEY respectively in live_segmenter.c). But now, when I run make in the unzipped folder, I get the following warning and error messages :

  gcc -Wall -g live_segmenter.c -o live_segmenter -lavformat -lavcodec -lavutil -lbz2 -lm -lz -lfaac -lmp3lame -lx264 -lfaad -lpthread
  
  live_segmenter.c: In function ‘main’:
  
  live_segmenter.c:149: warning: ‘av_open_input_file’ is deprecated (declared at /usr/local/include/libavformat/avformat.h:1093)
  
  live_segmenter.c:165: warning: implicit declaration of function ‘guess_format’
  
  live_segmenter.c:165: warning: initialization makes pointer from integer without a cast
  
  live_segmenter.c:208: warning: ‘av_set_parameters’ is deprecated (declared at /usr/local/include/libavformat/avformat.h:1407)
  
  live_segmenter.c:214: warning: ‘dump_format’ is deprecated (declared at /usr/local/include/libavformat/avformat.h:1535)
  
  live_segmenter.c:232: warning: ‘url_fopen’ is deprecated (declared at /usr/local/include/libavformat/avio.h:279)
  
  live_segmenter.c:238: warning: ‘av_write_header’ is deprecated (declared at /usr/local/include/libavformat/avformat.h:1465)
  
  live_segmenter.c:283: warning: ‘put_flush_packet’ is deprecated (declared at /usr/local/include/libavformat/avio.h:293)
  
  live_segmenter.c:284: warning: ‘url_fclose’ is deprecated (declared at /usr/local/include/libavformat/avio.h:280)
  
  live_segmenter.c:289: warning: ‘url_fopen’ is deprecated (declared at /usr/local/include/libavformat/avio.h:279)
  
  live_segmenter.c:326: warning: ‘url_fclose’ is deprecated (declared at /usr/local/include/libavformat/avio.h:280)
  
  ld: library not found for -lfaad
  
  collect2: ld returned 1 exit status
  
  make: *** [all] Error 1

  I also downloaded the faac/faad libraries from here. When I run make in faac, it says I have nothing to install, but I can't find out how to install faad...

  Would love any help you can offer !

• m3u8 segmenter not building in centos 6

  29 août 2013, par raheel khadri

  when i try to make it show me error oplease find below error which i am getting

  cc1: warnings being treated as errors
  
  m3u8-segmenter.c: In function ‘add_output_stream’:
  
  m3u8-segmenter.c:58: error: implicit declaration of function ‘avformat_new_stream’
  
  m3u8-segmenter.c:58: error: nested extern declaration of ‘avformat_new_stream’
  
  m3u8-segmenter.c:58: error: assignment makes pointer from integer without a cast
  
  m3u8-segmenter.c: In function ‘main’:
  
  m3u8-segmenter.c:343: error: implicit declaration of   function‘avformat_find_stream_info’
  
  m3u8-segmenter.c:343: error: nested extern declaration of ‘avformat_find_stream_info’
  
  m3u8-segmenter.c:390: error: implicit declaration of function ‘avcodec_open2’
  
  m3u8-segmenter.c:390: error: nested extern declaration of ‘avcodec_open2’
  
  m3u8-segmenter.c:397: error: ‘AVIO_FLAG_WRITE’ undeclared (first use in this function)
  
  m3u8-segmenter.c:397: error: (Each undeclared identifier is reported only once
  
  m3u8-segmenter.c:397: error: for each function it appears in.)
  
  make[1]: *** [m3u8_segmenter-m3u8-segmenter.o] Error 1
  
  make[1]: Leaving directory `/usr/local/src/m3u8-segmenter'
  
  make: *** [all-recursive] Error 1

  Note : i have ffmpeg and all required libraries installed already

  My ffmpeg vesrion below :

  [root@localhost m3u8-segmenter]# ffmpeg -version
  
  FFmpeg version 0.6.5, Copyright (c) 2000-2010 the FFmpeg developers
  
    built on Jan 29 2012 17:53:48 with gcc 4.4.5 20110214 (Red Hat 4.4.5-6)
  
    configuration: --prefix=/usr --libdir=/usr/lib --shlibdir=/usr/lib --mandir=/usr/share/man --incdir=/usr/include --disable-avisynth --extra-cflags='-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i686 -mtune=atom -fasynchronous-unwind-tables' --enable-avfilter --enable-avfilter-lavf --enable-libdc1394 --enable-libdirac --enable-libfaac --enable-libfaad --enable-libfaadbin --enable-libgsm --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-librtmp --enable-libschroedinger --enable-libspeex --enable-libtheora --enable-libx264 --enable-gpl --enable-nonfree --enable-postproc --enable-pthreads --enable-shared --enable-swscale --enable-vdpau --enable-version3 --enable-x11grab
  
    libavutil     50.15. 1 / 50.15. 1
  
    libavcodec    52.72. 2 / 52.72. 2
  
    libavformat   52.64. 2 / 52.64. 2
  
    libavdevice   52. 2. 0 / 52. 2. 0
  
    libavfilter    1.19. 0 /  1.19. 0
  
    libswscale     0.11. 0 /  0.11. 0
  
    libpostproc   51. 2. 0 / 51. 2. 0
  
  FFmpeg 0.6.5
  
  libavutil     50.15. 1 / 50.15. 1
  
  libavcodec    52.72. 2 / 52.72. 2
  
  libavformat   52.64. 2 / 52.64. 2
  
  libavdevice   52. 2. 0 / 52. 2. 0
  
  libavfilter    1.19. 0 /  1.19. 0
  
  libswscale     0.11. 0 /  0.11. 0
  
  libpostproc   51. 2. 0 / 51. 2. 0