figgis

// It's actually quite simple to extract unregistered sei data using ffmpeg, but I couln't find any documentation about how it's done 

        AVFrameSideData *sd;
        sd = av_frame_get_side_data(frame, AV_FRAME_DATA_SEI_UNREGISTERED);
        if (sd) {
            // First 15 bytes is the uuid, unregistered payload start at index 16 and the
            // total size is given by sd->size
            printf("side-data size %ld first-byte %u\n", sd->size, sd->data[16]);
            

figgis

#!/usr/bin/env python
#
# vqm	Run and parse the output of mitsuLinuxMultithread.
#		Generate a xlsx-file with all the data as well as a summary sheet.
#		Tested on Linux only.
#
# USAGE: vqm path
#
# NOTE: YCbcr files needs to be adhere to the following naming convention:
#		NAME_WIDTHxHEIGHT_FPS_...yuv

figgis

# use pkg-config for getting CFLAGS and LDLIBS
FFMPEG_LIBS=    libavdevice                        \
                libavformat                        \
                libavfilter                        \
                libavcodec                         \
                libswresample                      \
                libswscale                         \
                libavutil                          \

CFLAGS += -Wall -g

figgis

#!/usr/bin/env python


"""
- ae(v): context-adaptive arithmetic entropy-coded syntax element. The parsing process for this descriptor is
         specified in clause 9.3.
- b(8):  byte having any pattern of bit string (8 bits). The parsing process
         for this descriptor is specified by the return value of the function
         read_bits( 8 ).
- f(n):  fixed-pattern bit string using n bits written (from left to right)

figgis

#!/usr/bin/env python
import pygame
import Image
import sys

W = 352
H = 288
WH = (W, H)

pygame.init()

figgis

#!/usr/bin/env python

import pygame

W = 352
H = 288
WH = (W, H)

pygame.init()
screen = pygame.display.set_mode(WH)

figgis

#!/usr/bin/env python

import string

def check_length(s):
    '''return length
        
    >>> check_length('this is a string')
    16
    '''

figgis

Decoding foreman_qcif_030kbps_15fps.264

*** Decoding NAL number 0 ***
NAL decoded

*** Decoding NAL number 1 ***
NAL decoded

*** Decoding NAL number 2 ***
Bytes picture (VCL only): 851