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  • I can't compile ffmpeg, don't know how to install sdl2 properly

    11 mai 2019, par woopwoop399

    I’m compiling ffmpeg, on windows, with mingw-w64, and I need SDL2 so that the ffplay in ffmpeg compiles. I installed mingw-w64 using the web installer, I installed msys (to run the ./configure that comes with ffmpeg) using the all in one package provided by mingw-w64. I installed SDL2 by downloading dev binaries from their site and running make native in msys.

    So, it seems SDL2 isn’t installed properly or something.

    Here is the problematic part in ./configure :

    if enabled sdl2; then
    
    echo "SDL2-1"
    
    SDL2_CONFIG="${cross_prefix}sdl2-config"
    
    test_pkg_config sdl2 "sdl2 >= 2.0.1 sdl2 < 2.1.0" SDL_events.h SDL_PollEvent
    
    echo "SDL2-2"
    
    if disabled sdl2 && "${SDL2_CONFIG}" --version > /dev/null 2>&1; then
    
        echo "SDL2-3"
    
        sdl2_cflags=$("${SDL2_CONFIG}" --cflags)
    
        sdl2_extralibs=$("${SDL2_CONFIG}" --libs)
    
        echo "SDL2-config ${SDL2_CONFIG}"
    
        echo "SDL2-cflags ${sdl2_cflags}"
    
        echo "SDL2-libs ${sdl2_extralibs}"
    
        test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) >= 0x020001" $sdl2_cflags &&
    
        echo "SDL2-4" &&
    
        test_cpp_condition SDL.h "(SDL_MAJOR_VERSION<<16 | SDL_MINOR_VERSION<<8 | SDL_PATCHLEVEL) < 0x020100" $sdl2_cflags &&
    
        echo "SDL2-5" &&
    
        check_func_headers SDL_events.h SDL_PollEvent $sdl2_extralibs $sdl2_cflags &&
    
        echo "SDL2-6-final" &&
    
            enable sdl2
    
    fi
    
    if test $target_os = "mingw32"; then
    
        sdl2_extralibs=$(filter_out '-mwindows' $sdl2_extralibs)
    
    fi
    
fi

    This is the result of it, it never gets to SDL2-6-final and enable sdl2

    SDL2-1
    
SDL2-2
    
SDL2-3
    
SDL2-config sdl2-config
    
SDL2-cflags -I/usr/include/SDL2 -Dmain=SDL_main
    
SDL2-libs -L/usr/lib -lmingw32 -lSDL2main -lSDL2 -mwindows
    
SDL2-4
    
SDL2-5

    This is the sdl2 installation log :

    User@NEW-PC /c/Users/User/Downloads/games/compilers/SDL2-2.0.9
    
$ make native
    
make install-package arch=i686-w64-mingw32 prefix=/usr
    
make[1]: Entering directory `/c/Users/User/Downloads/games/compilers/SDL2-2.0.9'
    
`bin/sdl2-config' -> `/usr/bin/sdl2-config'
    
`bin/SDL2.dll' -> `/usr/bin/SDL2.dll'
    
`include' -> `/usr/include'
    
`include/SDL2' -> `/usr/include/SDL2'
    
`include/SDL2/begin_code.h' -> `/usr/include/SDL2/begin_code.h'
    
`include/SDL2/close_code.h' -> `/usr/include/SDL2/close_code.h'
    
`include/SDL2/SDL.h' -> `/usr/include/SDL2/SDL.h'
    
`include/SDL2/SDL_assert.h' -> `/usr/include/SDL2/SDL_assert.h'
    
`include/SDL2/SDL_atomic.h' -> `/usr/include/SDL2/SDL_atomic.h'
    
`include/SDL2/SDL_audio.h' -> `/usr/include/SDL2/SDL_audio.h'
    
`include/SDL2/SDL_bits.h' -> `/usr/include/SDL2/SDL_bits.h'
    
`include/SDL2/SDL_blendmode.h' -> `/usr/include/SDL2/SDL_blendmode.h'
    
`include/SDL2/SDL_clipboard.h' -> `/usr/include/SDL2/SDL_clipboard.h'
    
`include/SDL2/SDL_config.h' -> `/usr/include/SDL2/SDL_config.h'
    
`include/SDL2/SDL_cpuinfo.h' -> `/usr/include/SDL2/SDL_cpuinfo.h'
    
`include/SDL2/SDL_egl.h' -> `/usr/include/SDL2/SDL_egl.h'
    
`include/SDL2/SDL_endian.h' -> `/usr/include/SDL2/SDL_endian.h'
    
`include/SDL2/SDL_error.h' -> `/usr/include/SDL2/SDL_error.h'
    
`include/SDL2/SDL_events.h' -> `/usr/include/SDL2/SDL_events.h'
    
`include/SDL2/SDL_filesystem.h' -> `/usr/include/SDL2/SDL_filesystem.h'
    
`include/SDL2/SDL_gamecontroller.h' -> `/usr/include/SDL2/SDL_gamecontroller.h'
    
`include/SDL2/SDL_gesture.h' -> `/usr/include/SDL2/SDL_gesture.h'
    
`include/SDL2/SDL_haptic.h' -> `/usr/include/SDL2/SDL_haptic.h'
    
`include/SDL2/SDL_hints.h' -> `/usr/include/SDL2/SDL_hints.h'
    
`include/SDL2/SDL_joystick.h' -> `/usr/include/SDL2/SDL_joystick.h'
    
`include/SDL2/SDL_keyboard.h' -> `/usr/include/SDL2/SDL_keyboard.h'
    
`include/SDL2/SDL_keycode.h' -> `/usr/include/SDL2/SDL_keycode.h'
    
`include/SDL2/SDL_loadso.h' -> `/usr/include/SDL2/SDL_loadso.h'
    
`include/SDL2/SDL_log.h' -> `/usr/include/SDL2/SDL_log.h'
    
`include/SDL2/SDL_main.h' -> `/usr/include/SDL2/SDL_main.h'
    
`include/SDL2/SDL_messagebox.h' -> `/usr/include/SDL2/SDL_messagebox.h'
    
`include/SDL2/SDL_mouse.h' -> `/usr/include/SDL2/SDL_mouse.h'
    
`include/SDL2/SDL_mutex.h' -> `/usr/include/SDL2/SDL_mutex.h'
    
`include/SDL2/SDL_name.h' -> `/usr/include/SDL2/SDL_name.h'
    
`include/SDL2/SDL_opengl.h' -> `/usr/include/SDL2/SDL_opengl.h'
    
`include/SDL2/SDL_opengles.h' -> `/usr/include/SDL2/SDL_opengles.h'
    
`include/SDL2/SDL_opengles2.h' -> `/usr/include/SDL2/SDL_opengles2.h'
    
`include/SDL2/SDL_opengles2_gl2.h' -> `/usr/include/SDL2/SDL_opengles2_gl2.h'
    
`include/SDL2/SDL_opengles2_gl2ext.h' -> `/usr/include/SDL2/SDL_opengles2_gl2ext.h'
    
`include/SDL2/SDL_opengles2_gl2platform.h' -> `/usr/include/SDL2/SDL_opengles2_gl2platform.h'
    
`include/SDL2/SDL_opengles2_khrplatform.h' -> `/usr/include/SDL2/SDL_opengles2_khrplatform.h'
    
`include/SDL2/SDL_opengl_glext.h' -> `/usr/include/SDL2/SDL_opengl_glext.h'
    
`include/SDL2/SDL_pixels.h' -> `/usr/include/SDL2/SDL_pixels.h'
    
`include/SDL2/SDL_platform.h' -> `/usr/include/SDL2/SDL_platform.h'
    
`include/SDL2/SDL_power.h' -> `/usr/include/SDL2/SDL_power.h'
    
`include/SDL2/SDL_quit.h' -> `/usr/include/SDL2/SDL_quit.h'
    
`include/SDL2/SDL_rect.h' -> `/usr/include/SDL2/SDL_rect.h'
    
`include/SDL2/SDL_render.h' -> `/usr/include/SDL2/SDL_render.h'
    
`include/SDL2/SDL_revision.h' -> `/usr/include/SDL2/SDL_revision.h'
    
`include/SDL2/SDL_rwops.h' -> `/usr/include/SDL2/SDL_rwops.h'
    
`include/SDL2/SDL_scancode.h' -> `/usr/include/SDL2/SDL_scancode.h'
    
`include/SDL2/SDL_sensor.h' -> `/usr/include/SDL2/SDL_sensor.h'
    
`include/SDL2/SDL_shape.h' -> `/usr/include/SDL2/SDL_shape.h'
    
`include/SDL2/SDL_stdinc.h' -> `/usr/include/SDL2/SDL_stdinc.h'
    
`include/SDL2/SDL_surface.h' -> `/usr/include/SDL2/SDL_surface.h'
    
`include/SDL2/SDL_system.h' -> `/usr/include/SDL2/SDL_system.h'
    
`include/SDL2/SDL_syswm.h' -> `/usr/include/SDL2/SDL_syswm.h'
    
`include/SDL2/SDL_test.h' -> `/usr/include/SDL2/SDL_test.h'
    
`include/SDL2/SDL_test_assert.h' -> `/usr/include/SDL2/SDL_test_assert.h'
    
`include/SDL2/SDL_test_common.h' -> `/usr/include/SDL2/SDL_test_common.h'
    
`include/SDL2/SDL_test_compare.h' -> `/usr/include/SDL2/SDL_test_compare.h'
    
`include/SDL2/SDL_test_crc32.h' -> `/usr/include/SDL2/SDL_test_crc32.h'
    
`include/SDL2/SDL_test_font.h' -> `/usr/include/SDL2/SDL_test_font.h'
    
`include/SDL2/SDL_test_fuzzer.h' -> `/usr/include/SDL2/SDL_test_fuzzer.h'
    
`include/SDL2/SDL_test_harness.h' -> `/usr/include/SDL2/SDL_test_harness.h'
    
`include/SDL2/SDL_test_images.h' -> `/usr/include/SDL2/SDL_test_images.h'
    
`include/SDL2/SDL_test_log.h' -> `/usr/include/SDL2/SDL_test_log.h'
    
`include/SDL2/SDL_test_md5.h' -> `/usr/include/SDL2/SDL_test_md5.h'
    
`include/SDL2/SDL_test_memory.h' -> `/usr/include/SDL2/SDL_test_memory.h'
    
`include/SDL2/SDL_test_random.h' -> `/usr/include/SDL2/SDL_test_random.h'
    
`include/SDL2/SDL_thread.h' -> `/usr/include/SDL2/SDL_thread.h'
    
`include/SDL2/SDL_timer.h' -> `/usr/include/SDL2/SDL_timer.h'
    
`include/SDL2/SDL_touch.h' -> `/usr/include/SDL2/SDL_touch.h'
    
`include/SDL2/SDL_types.h' -> `/usr/include/SDL2/SDL_types.h'
    
`include/SDL2/SDL_version.h' -> `/usr/include/SDL2/SDL_version.h'
    
`include/SDL2/SDL_video.h' -> `/usr/include/SDL2/SDL_video.h'
    
`include/SDL2/SDL_vulkan.h' -> `/usr/include/SDL2/SDL_vulkan.h'
    
`lib/cmake' -> `/usr/lib/cmake'
    
`lib/cmake/SDL2' -> `/usr/lib/cmake/SDL2'
    
`lib/cmake/SDL2/sdl2-config.cmake' -> `/usr/lib/cmake/SDL2/sdl2-config.cmake'
    
`lib/libSDL2.a' -> `/usr/lib/libSDL2.a'
    
`lib/libSDL2.dll.a' -> `/usr/lib/libSDL2.dll.a'
    
`lib/libSDL2.la' -> `/usr/lib/libSDL2.la'
    
`lib/libSDL2main.a' -> `/usr/lib/libSDL2main.a'
    
`lib/libSDL2main.la' -> `/usr/lib/libSDL2main.la'
    
`lib/libSDL2_test.a' -> `/usr/lib/libSDL2_test.a'
    
`lib/libSDL2_test.la' -> `/usr/lib/libSDL2_test.la'
    
`lib/pkgconfig' -> `/usr/lib/pkgconfig'
    
`lib/pkgconfig/sdl2.pc' -> `/usr/lib/pkgconfig/sdl2.pc'
    
`share/aclocal/sdl2.m4' -> `/usr/share/aclocal/sdl2.m4'
    
make[1]: Leaving directory `/c/Users/User/Downloads/games/compilers/SDL2-2.0.9'

    And this is what happens when I just comment out that last check in ./configure and enable sdl2 anyway :

    c:/Program Files/mingw-w64/x86_64-8.1.0-win32-seh-rt_v6-rev0/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/msys/lib/libSDL2main.a when searching for -lSDL2main

    c:/Program Files/mingw-w64/x86_64-8.1.0-win32-seh-rt_v6-rev0/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/msys/lib/libSDL2.dll.a when searching for -lSDL2

    c:/Program Files/mingw-w64/x86_64-8.1.0-win32-seh-rt_v6-rev0/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lSDL2

    I tried using msys2 instead, it compiles, but the debugger there doesn’t work for some reason. I need to run the source code of ffmpeg in debugger to have a chance of understanding anything there. I need to use the combination of codeblocks and gdb, and programs compiled with msys2 use weird pathnames like /c/bla/bla/bla/main.c, and codeblocks is righteously weirded out by that. The mingw-w64 uses more sane pathnames, I just checked that.

    Checked ffbuild/config.log, the problem is here :

    `c:/Program Files/mingw-w64/x86_64-8.1.0-win32-seh-rt_v6-rev0/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lSDL2`

    More in full :

    test_pkg_config sdl2 sdl2 >= 2.0.1 sdl2 < 2.1.0 SDL_events.h SDL_PollEvent
    
pkg-config --exists --print-errors sdl2 >= 2.0.1 sdl2 < 2.1.0
    
check_func_headers SDL_events.h SDL_PollEvent -Dmain=SDL_main -IC:/msys/include/SDL2 -mwindows -LC:/msys/lib -lmingw32 -lSDL2main -lSDL2
    
test_ld cc -Dmain=SDL_main -IC:/msys/include/SDL2 -mwindows -LC:/msys/lib -lmingw32 -lSDL2main -lSDL2
    
test_cc -Dmain=SDL_main -IC:/msys/include/SDL2 -mwindows -LC:/msys/lib
    
BEGIN /tmp/ffconf.atBoPojc/test.c
    
    1   #include 
    
    2   #include 
    
    3   long check_SDL_PollEvent(void) { return (long) SDL_PollEvent; }
    
    4   int main(void) { int ret = 0;
    
    5    ret |= ((intptr_t)check_SDL_PollEvent) & 0xFFFF;
    
    6   return ret; }
    
END /tmp/ffconf.atBoPojc/test.c
    
gcc -D_ISOC99_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -U__STRICT_ANSI__ -D__USE_MINGW_ANSI_STDIO=1 -D__printf__=__gnu_printf__ -D_WIN32_WINNT=0x0600 -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -DPIC -std=c11 -Dmain=SDL_main -IC:/msys/include/SDL2 -mwindows -LC:/msys/lib -c -o /tmp/ffconf.atBoPojc/test.o /tmp/ffconf.atBoPojc/test.c
    
C:/Users/User/AppData/Local/Temp/ffconf.atBoPojc/test.c: In function 'check_SDL_PollEvent':
    
C:/Users/User/AppData/Local/Temp/ffconf.atBoPojc/test.c:3:41: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
    
 long check_SDL_PollEvent(void) { return (long) SDL_PollEvent; }
    
                                         ^
    
gcc -Wl,--nxcompat,--dynamicbase -Wl,--high-entropy-va -Wl,--as-needed -Wl,--image-base,0x140000000 -Dmain=SDL_main -IC:/msys/include/SDL2 -mwindows -LC:/msys/lib -o /tmp/ffconf.atBoPojc/test.exe /tmp/ffconf.atBoPojc/test.o -lmingw32 -lSDL2main -lSDL2
    
c:/Program Files/mingw-w64/x86_64-8.1.0-win32-seh-rt_v6-rev0/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/msys/lib/libSDL2main.a when searching for -lSDL2main
    
c:/Program Files/mingw-w64/x86_64-8.1.0-win32-seh-rt_v6-rev0/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/msys/lib\libSDL2main.a when searching for -lSDL2main
    
c:/Program Files/mingw-w64/x86_64-8.1.0-win32-seh-rt_v6-rev0/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/msys/lib/libSDL2main.a when searching for -lSDL2main
    
c:/Program Files/mingw-w64/x86_64-8.1.0-win32-seh-rt_v6-rev0/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lSDL2main
    
c:/Program Files/mingw-w64/x86_64-8.1.0-win32-seh-rt_v6-rev0/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/msys/lib/libSDL2.dll.a when searching for -lSDL2
    
c:/Program Files/mingw-w64/x86_64-8.1.0-win32-seh-rt_v6-rev0/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/msys/lib/libSDL2.a when searching for -lSDL2
    
c:/Program Files/mingw-w64/x86_64-8.1.0-win32-seh-rt_v6-rev0/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/msys/lib\libSDL2.a when searching for -lSDL2
    
c:/Program Files/mingw-w64/x86_64-8.1.0-win32-seh-rt_v6-rev0/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/msys/lib/libSDL2.dll.a when searching for -lSDL2
    
c:/Program Files/mingw-w64/x86_64-8.1.0-win32-seh-rt_v6-rev0/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: skipping incompatible C:/msys/lib/libSDL2.a when searching for -lSDL2
    
c:/Program Files/mingw-w64/x86_64-8.1.0-win32-seh-rt_v6-rev0/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/8.1.0/../../../../x86_64-w64-mingw32/bin/ld.exe: cannot find -lSDL2
    
collect2.exe: error: ld returned 1 exit status

    Okay, I managed to compile. I removed the sdl libraries from C:/msys/lib, and added them to C:\Program Files\mingw-w64\x86_64-8.1.0-win32-seh-rt_v6-rev0\mingw64\lib

  • Converting from FLV to MP4 using ffmpeg

    14 juillet 2016, par Brad

    I have a library of several thousand flv files which I need to convert to mp4. I’m trying to use ffmpeg to do so but I’m running into some issues.

    Primarily :

    1) I can’t switch from FLV to MP4 without re-encoding. If I do I get a message from ffmpeg saying "Could not find tag for codec flv1 in stream #0, codec not currently supported in container"

    2) If I re-encode the videos, the resultant videos are lower quality (I see artifacting in VLC) AND larger. For example one video went from 2.5MB to 4.3MB (almost double in size)

    Given number two you may be asking yourself - why convert then ?

    The answer is I need to stream these to mobile devices (phones/tablets etc) and flv isn’t supported. So I need to convert the files but I can’t tolerate more than a minimum change in quality, and preferably zero to no increase in size.

    Here’s the ffmpeg command I’m running :

    ffmpeg -i $_.FullName -movflags faststart -profile:v baseline -level 3.0 "$($_.BaseName).mp4"

    (Note that I’m running ffmpeg from powershell so :

    $_.FullName = the original file name 
    
"$($_.BaseName).mp4" = the original file name with mp4 extension)

    Can any FFMPEG guru’s help me to understand what I’m doing wrong ? Is there some set of parameters I can use to make this conversion result in less loss of quality and similar size ?

    Note I’ve also tried "-c:v libx264 -preset veryslow -crf 23 -c:a copy". Using present "veryslow" doesn’t result in any appreciable difference.

    UPDATE
    I’m using the following options :

    ffmpeg -i $_.FullName -c:v libx264 -preset veryslow -crf 19 -c:a copy "$($_.BaseName).mp4"

    Here’s the full output :

        ffmpeg version 2.8.4 Copyright (c) 2000-2015 the FFmpeg developers
    
      built with gcc 5.2.0 (GCC)
    
      configuration : —enable-gpl —enable-version3 —disable-w32threads —enable-avisynth —enable-bzlib —enable-fontconfi
    
    g —enable-frei0r —enable-gnutls —enable-iconv —enable-libass —enable-libbluray —enable-libbs2b —enable-libcaca —
    
    enable-libdcadec —enable-libfreetype —enable-libgme —enable-libgsm —enable-libilbc —enable-libmodplug —enable-libm
    
    p3lame —enable-libopencore-amrnb —enable-libopencore-amrwb —enable-libopenjpeg —enable-libopus —enable-librtmp —en
    
    able-libschroedinger —enable-libsoxr —enable-libspeex —enable-libtheora —enable-libtwolame —enable-libvidstab —ena
    
    ble-libvo-aacenc —enable-libvo-amrwbenc —enable-libvorbis —enable-libvpx —enable-libwavpack —enable-libwebp —enabl
    
    e-libx264 —enable-libx265 —enable-libxavs —enable-libxvid —enable-lzma —enable-decklink —enable-zlib
    
      libavutil      54. 31.100 / 54. 31.100
    
      libavcodec     56. 60.100 / 56. 60.100
    
      libavformat    56. 40.101 / 56. 40.101
    
      libavdevice    56.  4.100 / 56.  4.100
    
      libavfilter     5. 40.101 /  5. 40.101
    
      libswscale      3.  1.101 /  3.  1.101
    
      libswresample   1.  2.101 /  1.  2.101
    
      libpostproc    53.  3.100 / 53.  3.100
    
    Input #0, flv, from ’C :\Users\brad\Desktop\ffmpeg\Originals\1019800-1278575542468.flv’ :
    
      Metadata :
    
        canSeekToEnd : false
    
        createdby : FMS 3.5
    
        creationdate : Thu Jul 08 03:52:25 2010
    
      Duration : 00:00:56.94, start : 0.000000, bitrate : 360 kb/s
    
        Stream #0:0 : Video : flv1, yuv420p, 320x240, 1k tbr, 1k tbn, 1k tbc
    
        [libx264 @ 02cf7300] using cpu capabilities : MMX2 SSE2Fast SSSE3 SSE4.2
    
        [libx264 @ 02cf7300] profile High, level 4.2
    
        [libx264 @ 02cf7300] 264 - core 148 r2638 7599210 - H.264/MPEG-4 AVC codec - Copyleft 2003-2015 - http://www.videolan.or
    
    g/x264.html - options : cabac=1 ref=16 deblock=1:0:0 analyse=0x3:0x133 me=umh subme=10 psy=1 psy_rd=1.00:0.00 mixed_ref=1
    
     me_range=24 chroma_me=1 trellis=2 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=7 lookahead_th
    
    reads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=8 b_pyramid=2 b_adapt=
    
    2 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=60
    
    rc=crf mbtree=1 crf=19.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
    
    Output #0, mp4, to ’1019800-1278575542468.mp4’ :
    
      Metadata :
    
        canSeekToEnd : false
    
        createdby : FMS 3.5
    
        creationdate : Thu Jul 08 03:52:25 2010
    
        encoder : Lavf56.40.101
    
        Stream #0:0 : Video : h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 320x240, q=-1—1, 1k fps, 16k tbn, 1k tbc
    
        Metadata :
    
          encoder : Lavc56.60.100 libx264
    
    Stream mapping :
    
      Stream #0:0 -> #0:0 (flv1 (flv) -> h264 (libx264))
    
    Press [q] to stop, [?] for help
    
    frame=57117 fps=199 q=-1.0 Lsize=    5611kB time=00:00:57.11 bitrate= 804.8kbits/s dup=56685 drop=0
    
    video:5184kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead : 8.229259%
    
    [libx264 @ 02cf7300] frame I:230   Avg QP:15.92  size :  8828
    
    [libx264 @ 02cf7300] frame P:6399  Avg QP:17.19  size :   385
    
    [libx264 @ 02cf7300] frame B:50488 Avg QP:27.13  size :    16
    
    [libx264 @ 02cf7300] consecutive B-frames :  0.4%  0.0%  0.0%  0.0%  0.0%  2.3%  0.0%  0.0% 97.2%
    
    [libx264 @ 02cf7300] mb I  I16..4 :  2.9% 92.6%  4.5%
    
    [libx264 @ 02cf7300] mb P  I16..4 :  0.1%  2.0%  0.2%  P16..4 :  2.4%  1.2%  1.1%  0.1%  0.0%    skip:92.9%
    
    [libx264 @ 02cf7300] mb B  I16..4 :  0.0%  0.0%  0.0%  B16..8 :  2.6%  0.0%  0.0%  direct : 0.0%  skip:97.3%  L0:45.0% L1:5
    
4.9% BI : 0.0%
    
    [libx264 @ 02cf7300] 8x8 transform intra:90.7% inter:76.5%
    
    [libx264 @ 02cf7300] direct mvs  spatial:75.2% temporal:24.8%
    
    [libx264 @ 02cf7300] coded y,uvDC,uvAC intra : 94.4% 96.8% 64.8% inter : 0.3% 0.4% 0.1%
    
    [libx264 @ 02cf7300] i16 v,h,dc,p : 16% 25% 18% 41%
    
    [libx264 @ 02cf7300] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu : 19% 28% 30%  4%  3%  3%  4%  4%  5%
    
    [libx264 @ 02cf7300] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu : 18% 22%  9% 11%  8%  7% 10%  8%  7%
    
    [libx264 @ 02cf7300] i8c dc,h,v,p : 30% 34% 23% 13%
    
    [libx264 @ 02cf7300] Weighted P-Frames : Y:0.1% UV:0.1%
    
    [libx264 @ 02cf7300] ref P L0 : 74.1% 19.7%  4.5%  0.6%  0.1%  0.2%  0.0%  0.1%  0.0%  0.1%  0.0%  0.2%  0.0%  0.2%  0.0%
    
  0.1%
    
    [libx264 @ 02cf7300] ref B L0 : 95.5%  1.6%  0.7%  0.5%  0.4%  0.3%  0.3%  0.2%  0.1%  0.1%  0.1%  0.1%  0.1%  0.0%  0.0%
    

        [libx264 @ 02cf7300] ref B L1 : 84.5% 15.5%
    
    [libx264 @ 02cf7300] kb/s:743.46
    

    Original Video Size: 2.44 MB
    
New Video Size: 5.6 MB

  • avutil/x86 : reenable ff_update_lls_avx()

    2 juillet 2013, par Michael Niedermayer
    avutil/x86 : reenable ff_update_lls_avx()

    The bug has been fixed in c8b920a9b7fa534a6141695ace4e8c2dfcd56cee by Loren Merritt
    

    Signed-off-by : Michael Niedermayer <michaelni@gmx.at>
    • [DH] libavutil/x86/lls.asm
    • [DH] libavutil/x86/lls_init.c

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