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• File of the libavutil of FFMPEG library not compiling in iOS Xcode project

  31 mars 2021, par Edwjonn

  I'm using some of the files of the FFMPEG library in my xcode project. When I try to run the application, I get these following errors :

  


      #if !HAVE_CBRT
static av_always_inline double cbrt(double x)
{
    return x < 0 ? -pow(-x, 1.0 / 3.0) : pow(x, 1.0 / 3.0);
}
#endif /* HAVE_CBRT */

#if !HAVE_CBRTF
static av_always_inline float cbrtf(float x)
{
    return x < 0 ? -powf(-x, 1.0 / 3.0) : powf(x, 1.0 / 3.0);
}
#endif /* HAVE_CBRTF */

#if !HAVE_COPYSIGN
static av_always_inline double copysign(double x, double y)
{
    uint64_t vx = av_double2int(x);
    uint64_t vy = av_double2int(y);
    return av_int2double((vx & UINT64_C(0x7fffffffffffffff)) | (vy & UINT64_C(0x8000000000000000)));
}
#endif /* HAVE_COPYSIGN */

Error: Static declaration of 'cbrt' follows non-static declaration
Error: Static declaration of 'cbrtf' follows non-static declaration
Error: Static declaration of 'copysign' follows non-static declaration


  


  I get these errors in the limb.h file of libavutil library of FFMPEG.

  


• Unable to load FFMpeg in file in laravel project

  14 février 2024, par Hatim Ahmad

  i'm trying to convert a varity of audio files into a specific audio type of my chossing on my laravel project.
on my search i landed on a package called Laravel FFMpeg, i started with a fresh installation with laravel 6.2, and did the installation as it shows on github, as soon as i started using it i had this error :

  


  


  FFMpeg\Exception\ExecutableNotFoundException : Unable to load FFMpeg in file C :\Users\Hatim\Desktop\Projects\Audio\vendor\php-ffmpeg\php-ffmpeg\src\FFMpeg\Driver\FFMpegDriver.php on line 55
#0 C :\Users\Hatim\Desktop\Projects\Audio\vendor\pbmedia\laravel-ffmpeg\src\Support\ServiceProvider.php(61) : FFMpeg\Driver\FFMpegDriver::create(Object(Illuminate\Log\LogManager), Object(Alchemy\BinaryDriver\Configuration))

  


  


  I'm currently just working with a simple thing :

  


  FFMpeg::fromDisk('s3');


  


  and yes I have called it my Controller : use ProtoneMedia\LaravelFFMpeg\Support\FFMpeg;

  


  I have also tried to install the PHP-FFMpeg Package and also tried to install FFmpeg on my device and link it using the path in my config\laravel-FFmpeg

  


  This is how it looks now without any modification, I went to my .env folder but it has nothing regarding FFmpeg so it takes the default value, that's why I tried installing it on my device and replacing the default value with the path of the FFmpeg on my device.

  


  return [
'ffmpeg' => [
    'binaries' => env('FFMPEG_BINARIES', 'ffmpeg'),
    'threads'  => 12,
],

'ffprobe' => [
    'binaries' => env('FFPROBE_BINARIES', 'ffprobe'),
],

'timeout' => 3600,
'enable_logging' => true


  


  ] ;

  


  I'm currently working on my local environment, but this has to work on a server.

  


• Edit H264 video stream header information ("start_pts" and "start_time")

  27 juin 2020, par David

  I have a video clip that appears to be slightly corrupted. Does not play on VLC but works on Potplayer. I used FFprobe to get information on the video.

  


  The problem appears to be with the start points of the video stream :

  


  time_base=1/90000
start_pts=585050940
start_time=6500.566000
duration_ts=585050940
duration=6500.566000
bit_rate=3123218


  


  I'm just wondering whether it is possible to manually edit the "start_pts" and "start_time" to 0 ? Is there any specific software to do this ? Due to large size of video file, I couldn't load it in Notepad++.

  


  Full ffprobe output shown below :

  


  # ffprobe output

[streams.stream.0]
index=0
codec_name=h264
codec_long_name=H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10
profile=unknown
codec_type=video
codec_time_base=1/60
codec_tag_string=avc1
codec_tag=0x31637661
width=1920
height=1080
coded_width=1920
coded_height=1080
closed_captions=0
has_b_frames=0
sample_aspect_ratio=N/A
display_aspect_ratio=N/A
pix_fmt=unknown
level=-99
color_range=unknown
color_space=unknown
color_transfer=unknown
color_primaries=unknown
chroma_location=unspecified
field_order=unknown
timecode=N/A
refs=1
is_avc=true
nal_length_size=4
id=N/A
r_frame_rate=30/1
avg_frame_rate=30/1
time_base=1/90000
start_pts=585050940
start_time=6500.566000
duration_ts=585050940
duration=6500.566000
bit_rate=3123218
max_bit_rate=N/A
bits_per_raw_sample=N/A
nb_frames=195017
nb_read_frames=N/A
nb_read_packets=N/A

[streams.stream.0.disposition]
default=1
dub=0
original=0
comment=0
lyrics=0
karaoke=0
forced=0
hearing_impaired=0
visual_impaired=0
clean_effects=0
attached_pic=0
timed_thumbnails=0

[streams.stream.0.tags]
language=und
handler_name=VideoHandler

[streams.stream.1]
index=1
codec_name=aac
codec_long_name=AAC (Advanced Audio Coding)
profile=LC
codec_type=audio
codec_time_base=1/48000
codec_tag_string=mp4a
codec_tag=0x6134706d
sample_fmt=fltp
sample_rate=48000
channels=2
channel_layout=stereo
bits_per_sample=0
id=N/A
r_frame_rate=0/0
avg_frame_rate=0/0
time_base=1/48000
start_pts=0
start_time=0.000000
duration_ts=312029184
duration=6500.608000
bit_rate=189376
max_bit_rate=189376
bits_per_raw_sample=N/A
nb_frames=304718
nb_read_frames=N/A
nb_read_packets=N/A

[streams.stream.1.disposition]
default=1
dub=0
original=0
comment=0
lyrics=0
karaoke=0
forced=0
hearing_impaired=0
visual_impaired=0
clean_effects=0
attached_pic=0
timed_thumbnails=0

[streams.stream.1.tags]
language=eng
handler_name=SoundHandler

[format]
filename=D\:\\Start\\test.mp4
nb_streams=2
nb_programs=0
format_name=mov,mp4,m4a,3gp,3g2,mj2
format_long_name=QuickTime / MOV
start_time=0.000000
duration=6500.608000
size=2703218140
bit_rate=3326726
probe_score=100

[format.tags]
major_brand=isom
minor_version=512
compatible_brands=isomiso2avc1mp41