Hi

This is what I get when I use gcc. Another set of errors.

I must be doing something wrong. Can anyone please correct?

gcc -Wall -Wconversion -g -fPIC api-example.c -o api-example -lavformat
-lavcodec -lavutil -lswscale -lz -lbz2 -lm
api-example.c: In function ‘audio_encode_example’:
api-example.c:82: warning: conversion to ‘size_t’ from ‘int’ may change the
sign of the result
api-example.c:84: warning: conversion to ‘size_t’ from ‘int’ may change the
sign of the result
api-example.c:94: warning: conversion to ‘float’ from ‘double’ may alter its
value
api-example.c:97: warning: conversion to ‘short int’ from ‘int’ may alter
its value
api-example.c:103: warning: conversion to ‘size_t’ from ‘int’ may change the
sign of the result
api-example.c: In function ‘audio_decode_example’:
api-example.c:160: warning: conversion to ‘int’ from ‘size_t’ may change the
sign of the result
api-example.c:171: warning: conversion to ‘size_t’ from ‘int’ may change the
sign of the result
api-example.c:180: warning: conversion to ‘size_t’ from ‘int’ may change the
sign of the result
api-example.c:183: warning: conversion to ‘size_t’ from ‘int’ may change the
sign of the result
api-example.c:183: warning: conversion to ‘int’ from ‘size_t’ may change the
sign of the result
api-example.c: In function ‘video_encode_example’:
api-example.c:246: warning: conversion to ‘size_t’ from ‘int’ may change the
sign of the result
api-example.c:248: warning: conversion to ‘size_t’ from ‘int’ may change the
sign of the result
api-example.c:264: warning: conversion to ‘uint8_t’ from ‘int’ may alter its
value
api-example.c:271: warning: conversion to ‘uint8_t’ from ‘int’ may alter its
value
api-example.c:272: warning: conversion to ‘uint8_t’ from ‘int’ may alter its
value
api-example.c:279: warning: conversion to ‘size_t’ from ‘int’ may change the
sign of the result
api-example.c:288: warning: conversion to ‘size_t’ from ‘int’ may change the
sign of the result
api-example.c: In function ‘pgm_save’:
api-example.c:320: warning: conversion to ‘size_t’ from ‘int’ may change the
sign of the result
api-example.c: In function ‘video_decode_example’:
api-example.c:375: warning: conversion to ‘int’ from ‘size_t’ may change the
sign of the result
/usr/local/lib/libavcodec.a(libfaac.o): In function `Faac_encode_frame':
/home/sujoy/ffmpeg/libavcodec/libfaac.c:128: undefined reference to
`faacEncEncode'
/usr/local/lib/libavcodec.a(libfaac.o): In function `Faac_encode_close':
/home/sujoy/ffmpeg/libavcodec/libfaac.c:144: undefined reference to
`faacEncClose'
/usr/local/lib/libavcodec.a(libfaac.o): In function `Faac_encode_init':
/home/sujoy/ffmpeg/libavcodec/libfaac.c:46: undefined reference to
`faacEncOpen'
/home/sujoy/ffmpeg/libavcodec/libfaac.c:51: undefined reference to
`faacEncGetCurrentConfiguration'
/home/sujoy/ffmpeg/libavcodec/libfaac.c:75: undefined reference to
`faacEncClose'
/home/sujoy/ffmpeg/libavcodec/libfaac.c:114: undefined reference to
`faacEncSetConfiguration'
/home/sujoy/ffmpeg/libavcodec/libfaac.c:54: undefined reference to
`faacEncClose'
/home/sujoy/ffmpeg/libavcodec/libfaac.c:102: undefined reference to
`faacEncGetDecoderSpecificInfo'
/usr/local/lib/libavcodec.a(libmp3lame.o): In function
`MP3lame_encode_frame':
/home/sujoy/ffmpeg/libavcodec/libmp3lame.c:160: undefined reference to
`lame_encode_buffer'
/home/sujoy/ffmpeg/libavcodec/libmp3lame.c:152: undefined reference to
`lame_encode_buffer_interleaved'
/home/sujoy/ffmpeg/libavcodec/libmp3lame.c:170: undefined reference to
`lame_encode_flush'
/usr/local/lib/libavcodec.a(libmp3lame.o): In function
`MP3lame_encode_close':
/home/sujoy/ffmpeg/libavcodec/libmp3lame.c:212: undefined reference to
`lame_close'
/usr/local/lib/libavcodec.a(libmp3lame.o): In function
`MP3lame_encode_init':
/home/sujoy/ffmpeg/libavcodec/libmp3lame.c:48: undefined reference to
`lame_init'
/home/sujoy/ffmpeg/libavcodec/libmp3lame.c:50: undefined reference to
`lame_set_in_samplerate'
/home/sujoy/ffmpeg/libavcodec/libmp3lame.c:51: undefined reference to
`lame_set_out_samplerate'
/home/sujoy/ffmpeg/libavcodec/libmp3lame.c:52: undefined reference to
`lame_set_num_channels'
/home/sujoy/ffmpeg/libavcodec/libmp3lame.c:56: undefined reference to
`lame_set_quality'
/home/sujoy/ffmpeg/libavcodec/libmp3lame.c:59: undefined reference to
`lame_set_mode'
/home/sujoy/ffmpeg/libavcodec/libmp3lame.c:60: undefined reference to
`lame_set_brate'
/home/sujoy/ffmpeg/libavcodec/libmp3lame.c:66: undefined reference to
`lame_set_bWriteVbrTag'
/home/sujoy/ffmpeg/libavcodec/libmp3lame.c:67: undefined reference to
`lame_set_disable_reservoir'
/home/sujoy/ffmpeg/libavcodec/libmp3lame.c:68: undefined reference to
`lame_init_params'
/home/sujoy/ffmpeg/libavcodec/libmp3lame.c:71: undefined reference to
`lame_get_framesize'
/home/sujoy/ffmpeg/libavcodec/libmp3lame.c:54: undefined reference to
`lame_set_quality'
/home/sujoy/ffmpeg/libavcodec/libmp3lame.c:79: undefined reference to
`lame_close'
/home/sujoy/ffmpeg/libavcodec/libmp3lame.c:62: undefined reference to
`lame_set_brate'
/home/sujoy/ffmpeg/libavcodec/libmp3lame.c:63: undefined reference to
`lame_set_VBR'
/home/sujoy/ffmpeg/libavcodec/libmp3lame.c:64: undefined reference to
`lame_set_VBR_q'
/usr/local/lib/libavcodec.a(libtheoraenc.o): In function `submit_stats':
/home/sujoy/ffmpeg/libavcodec/libtheoraenc.c:134: undefined reference to
`th_encode_ctl'
/usr/local/lib/libavcodec.a(libtheoraenc.o): In function `get_stats':
/home/sujoy/ffmpeg/libavcodec/libtheoraenc.c:93: undefined reference to
`th_encode_ctl'
/usr/local/lib/libavcodec.a(libtheoraenc.o): In function `encode_frame':
/home/sujoy/ffmpeg/libavcodec/libtheoraenc.c:294: undefined reference to
`th_encode_ycbcr_in'
/home/sujoy/ffmpeg/libavcodec/libtheoraenc.c:317: undefined reference to
`th_encode_packetout'
/home/sujoy/ffmpeg/libavcodec/libtheoraenc.c:274: undefined reference to
`th_encode_packetout'
/usr/local/lib/libavcodec.a(libtheoraenc.o): In function `encode_close':
/home/sujoy/ffmpeg/libavcodec/libtheoraenc.c:349: undefined reference to
`th_encode_free'
/usr/local/lib/libavcodec.a(libtheoraenc.o): In function `encode_init':
/home/sujoy/ffmpeg/libavcodec/libtheoraenc.c:162: undefined reference to
`th_info_init'
/home/sujoy/ffmpeg/libavcodec/libtheoraenc.c:214: undefined reference to
`th_encode_alloc'
/home/sujoy/ffmpeg/libavcodec/libtheoraenc.c:222: undefined reference to
`th_info_clear'
/home/sujoy/ffmpeg/libavcodec/libtheoraenc.c:224: undefined reference to
`th_encode_ctl'
/home/sujoy/ffmpeg/libavcodec/libtheoraenc.c:249: undefined reference to
`th_comment_init'
/home/sujoy/ffmpeg/libavcodec/libtheoraenc.c:251: undefined reference to
`th_encode_flushheader'
/home/sujoy/ffmpeg/libavcodec/libtheoraenc.c:255: undefined reference to
`th_comment_clear'
/usr/local/lib/libavcodec.a(libvorbis.o): In function
`oggvorbis_encode_frame':
/home/sujoy/ffmpeg/libavcodec/libvorbis.c:152: undefined reference to
`vorbis_analysis_buffer'
/home/sujoy/ffmpeg/libavcodec/libvorbis.c:159: undefined reference to
`vorbis_analysis_wrote'
/home/sujoy/ffmpeg/libavcodec/libvorbis.c:166: undefined reference to
`vorbis_analysis_blockout'
/home/sujoy/ffmpeg/libavcodec/libvorbis.c:167: undefined reference to
`vorbis_analysis'
/home/sujoy/ffmpeg/libavcodec/libvorbis.c:168: undefined reference to
`vorbis_bitrate_addblock'
/home/sujoy/ffmpeg/libavcodec/libvorbis.c:170: undefined reference to
`vorbis_bitrate_flushpacket'
/home/sujoy/ffmpeg/libavcodec/libvorbis.c:162: undefined reference to
`vorbis_analysis_wrote'
/usr/local/lib/libavcodec.a(libvorbis.o): In function
`oggvorbis_encode_close':
/home/sujoy/ffmpeg/libavcodec/libvorbis.c:206: undefined reference to
`vorbis_analysis_wrote'
/home/sujoy/ffmpeg/libavcodec/libvorbis.c:208: undefined reference to
`vorbis_block_clear'
/home/sujoy/ffmpeg/libavcodec/libvorbis.c:209: undefined reference to
`vorbis_dsp_clear'
/home/sujoy/ffmpeg/libavcodec/libvorbis.c:210: undefined reference to
`vorbis_info_clear'
/usr/local/lib/libavcodec.a(libvorbis.o): In function
`oggvorbis_encode_init':
/home/sujoy/ffmpeg/libavcodec/libvorbis.c:94: undefined reference to
`vorbis_info_init'
/usr/local/lib/libavcodec.a(libvorbis.o): In function
`oggvorbis_init_encoder':
/home/sujoy/ffmpeg/libavcodec/libvorbis.c:68: undefined reference to
`vorbis_encode_setup_managed'
/home/sujoy/ffmpeg/libavcodec/libvorbis.c:85: undefined reference to
`vorbis_encode_setup_init'
/usr/local/lib/libavcodec.a(libvorbis.o): In function
`oggvorbis_encode_init':
/home/sujoy/ffmpeg/libavcodec/libvorbis.c:99: undefined reference to
`vorbis_analysis_init'
/home/sujoy/ffmpeg/libavcodec/libvorbis.c:100: undefined reference to
`vorbis_block_init'
/home/sujoy/ffmpeg/libavcodec/libvorbis.c:102: undefined reference to
`vorbis_comment_init'
/home/sujoy/ffmpeg/libavcodec/libvorbis.c:103: undefined reference to
`vorbis_comment_add_tag'
/home/sujoy/ffmpeg/libavcodec/libvorbis.c:105: undefined reference to
`vorbis_analysis_headerout'
/home/sujoy/ffmpeg/libavcodec/libvorbis.c:127: undefined reference to
`vorbis_comment_clear'
/usr/local/lib/libavcodec.a(libvorbis.o): In function
`oggvorbis_init_encoder':
/home/sujoy/ffmpeg/libavcodec/libvorbis.c:59: undefined reference to
`vorbis_encode_setup_vbr'
/home/sujoy/ffmpeg/libavcodec/libvorbis.c:81: undefined reference to
`vorbis_encode_ctl'
/home/sujoy/ffmpeg/libavcodec/libvorbis.c:74: undefined reference to
`vorbis_encode_ctl'
/usr/local/lib/libavcodec.a(libx264.o): In function `X264_frame':
/home/sujoy/ffmpeg/libavcodec/libx264.c:92: undefined reference to
`x264_picture_init'
/home/sujoy/ffmpeg/libavcodec/libx264.c:107: undefined reference to
`x264_encoder_encode'
/home/sujoy/ffmpeg/libavcodec/libx264.c:113: undefined reference to
`x264_encoder_delayed_frames'
/home/sujoy/ffmpeg/libavcodec/libx264.c:107: undefined reference to
`x264_encoder_encode'
/usr/local/lib/libavcodec.a(libx264.o): In function `X264_close':
/home/sujoy/ffmpeg/libavcodec/libx264.c:146: undefined reference to
`x264_encoder_close'
/usr/local/lib/libavcodec.a(libx264.o): In function `X264_init':
/home/sujoy/ffmpeg/libavcodec/libx264.c:156: undefined reference to
`x264_param_default'
/home/sujoy/ffmpeg/libavcodec/libx264.c:300: undefined reference to
`x264_encoder_open_100'
/home/sujoy/ffmpeg/libavcodec/libx264.c:310: undefined reference to
`x264_encoder_headers'
/usr/local/lib/libavcodec.a(libxvidff.o): In function `xvid_encode_frame':
/home/sujoy/ffmpeg/libavcodec/libxvidff.c:431: undefined reference to
`xvid_encore'
/usr/local/lib/libavcodec.a(libxvidff.o): In function `xvid_encode_close':
/home/sujoy/ffmpeg/libavcodec/libxvidff.c:481: undefined reference to
`xvid_encore'
/usr/local/lib/libavcodec.a(libxvidff.o): In function `xvid_encode_init':
/home/sujoy/ffmpeg/libavcodec/libxvidff.c:184: undefined reference to
`xvid_global'
/home/sujoy/ffmpeg/libavcodec/libxvidff.c:271: undefined reference to
`xvid_plugin_lumimasking'
/home/sujoy/ffmpeg/libavcodec/libxvidff.c:349: undefined reference to
`xvid_encore'
/home/sujoy/ffmpeg/libavcodec/libxvidff.c:264: undefined reference to
`xvid_plugin_single'
/home/sujoy/ffmpeg/libavcodec/libxvidff.c:255: undefined reference to
`xvid_plugin_2pass2'
/usr/local/lib/libavcodec.a(libxvid_rc.o): In function
`ff_xvid_rate_control_uninit':
/home/sujoy/ffmpeg/libavcodec/libxvid_rc.c:146: undefined reference to
`xvid_plugin_2pass2'
/usr/local/lib/libavcodec.a(libxvid_rc.o): In function
`ff_xvid_rate_estimate_qscale':
/home/sujoy/ffmpeg/libavcodec/libxvid_rc.c:127: undefined reference to
`xvid_plugin_2pass2'
/home/sujoy/ffmpeg/libavcodec/libxvid_rc.c:119: undefined reference to
`xvid_plugin_2pass2'
/usr/local/lib/libavcodec.a(libxvid_rc.o): In function
`ff_xvid_rate_control_init':
/home/sujoy/ffmpeg/libavcodec/libxvid_rc.c:80: undefined reference to
`xvid_plugin_2pass2'
/usr/local/lib/libavcodec.a(pthread.o): In function `avcodec_thread_free':
/home/sujoy/ffmpeg/libavcodec/pthread.c:98: undefined reference to
`pthread_join'
/usr/local/lib/libavcodec.a(pthread.o): In function `avcodec_thread_init':
/home/sujoy/ffmpeg/libavcodec/pthread.c:173: undefined reference to
`pthread_create'
collect2: ld returned 1 exit status


On Wed, Jun 30, 2010 at 3:42 PM, Tomas Härdin <[email protected]>wrote:

>  On Wed, 2010-06-30 at 01:13 +0800, S R wrote:
> > Hi
> >
> > I keep getting this error as I try to compile a simple C++ code that
> calls
> > ffmpeg.
> >
> > /usr/local/include/libavutil/common.h: In function ‘int32_t
> > av_clipl_int32(int64_t)’:
> > /usr/local/include/libavutil/common.h:165: error: ‘UINT64_C’ was not
> > declared in this scope
> >
> > Any idea what is wrong. I have installed the latest ffmpeg at this point
> of
> > time. But to no avail. The version I am using is
> >
> > FFmpeg version SVN-r23884, Copyright (c) 2000-2010 the FFmpeg developers
> >   built on Jun 30 2010 00:59:11 with gcc 4.3.3
> >   configuration: --enable-gpl --enable-version3 --enable-nonfree
> > --enable-postproc --enable-pthreads --enable-libfaac --enable-libmp3lame
> > --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid
> > --enable-x11grab
> >   libavutil     50.19. 0 / 50.19. 0
> >   libavcodec    52.78. 0 / 52.78. 0
> >   libavformat   52.71. 0 / 52.71. 0
> >   libavdevice   52. 2. 0 / 52. 2. 0
> >   libavfilter    1.20. 1 /  1.20. 1
> >   libswscale     0.11. 0 /  0.11. 0
> >   libpostproc   51. 2. 0 / 51. 2. 0
> > FFmpeg SVN-r23884
> > libavutil     50.19. 0 / 50.19. 0
> > libavcodec    52.78. 0 / 52.78. 0
> > libavformat   52.71. 0 / 52.71. 0
> > libavdevice   52. 2. 0 / 52. 2. 0
> > libavfilter    1.20. 1 /  1.20. 1
> > libswscale     0.11. 0 /  0.11. 0
> > libpostproc   51. 2. 0 / 51. 2. 0
> > Any idea what is wrong. I saw in the website that CPPFLAGS need to be
> added
> > with
> >
> > *-D__STDC_CONSTANT_MACROS*
> >
> > But it also says that the latest SVN has this error corrected.
> >
> > Please advice. Thanks for your help.
>
> Just add -D__STDC_CONSTANT_MACROS to your CFLAGS or use gcc instead of g
> ++. The short story is that libav* are C libraries, not C++ libraries.
> There are a bunch of threads in the FFmpeg-devel archives about this.
>
> /Tomas
>
> _______________________________________________
> libav-user mailing list
> [email protected]
> https://lists.mplayerhq.hu/mailman/listinfo/libav-user
>
>
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