whatvn

# Nginx can serve FLV/MP4 files by pseudo-streaming way without any specific media-server software. 
# To do the custom build we use 2 modules: --with-http_secure_link_module --with-http_flv_module
# This module "secure-link" helps you to protect links from stealing away.
#
# NOTE: see more details at coderwall: http://coderwall.com/p/3hksyg

cd /usr/src
wget http://nginx.org/download/nginx-1.5.13.tar.gz
tar xzvf ./nginx-1.5.13.tar.gz && rm -f ./nginx-1.5.13.tar.gz

whatvn

def video(gearman_worker, gearman_job):
    try:
        pp = pprint.PrettyPrinter(indent=4)
        pp.pprint(gearman_job.data.decode('utf-8'))
        print "raw data: " + gearman_job.data
        print "decode data: " + gearman_job.data.decode('utf-8')
        today = datetime.date.today()
        job_data = json.loads(gearman_job.data.decode('utf-8'))
        ....
    except Exception,e:

whatvn

/*
 * Fancy ID generator that creates 20-character string identifiers with the
 * following properties:
 * 
 * 1. They're based on timestamp so that they sort *after* any existing ids.
 * 2. They contain 72-bits of random data after the timestamp so that IDs won't
 * collide with other clients' IDs.
 * 3. They sort *lexicographically* (so the timestamp is converted to characters
 * that will sort properly).
 * 4. They're monotonically increasing. Even if you generate more than one in

whatvn

package com.firebase.utils;

import java.util.Date;

/**
 * Fancy ID generator that creates 20-character string identifiers with the
 * following properties:
 * 
 * 1. They're based on timestamp so that they sort *after* any existing ids.
 * 2. They contain 72-bits of random data after the timestamp so that IDs won't

whatvn

// scale video
static AVFrame* scale_encode_write_frame(AVFrame *frame, int src_w, int src_h,
        int dst_w, int dst_h) {
    int ret = 0;
    AVFrame *scale_frame;
    scale_frame = av_frame_alloc();
    if (!scale_frame) {
        av_log(NULL, AV_LOG_DEBUG, "Cannot get allocate scale frame\n");
        return frame;
    }

whatvn

static AVFrame* scale_encode_write_frame(AVFrame *frame, int src_w, int src_h,
        int dst_w, int dst_h) {
    int ret = 0;
    AVFrame *scale_frame;
    frame = av_frame_alloc();
    if (!frame) {
        av_log(NULL, AV_LOG_DEBUG, "Cannot get allocate scale frame\n");
        return frame;
    }
    SwsContext *scale_context = NULL;

whatvn

rax            0x9c54f349bdfc5672       -7181848007703505294
rbx            0x1fb1a30        33233456
rcx            0x7fff40e96830   140734282426416
rdx            0x21     33
rsi            0x1      1
rdi            0x7fa70e2d0740   140355474097984
rbp            0x9c54f349bdfc5672       0x9c54f349bdfc5672
rsp            0x7fff40e967f0   0x7fff40e967f0
r8             0x0      0
r9             0x7fa70e2d0748   140355474097992

whatvn

    int in_video_index = -1;
    int in_audio_index = -1;
    int return_code = ERROR;
    int buffer_size;
    unsigned char *exchange_area;
    AVFormatContext *input_format_context = NULL;
    AVFormatContext *output_format_context = NULL;
    AVIOContext *io_context;
    AVCodec *input_audio_codec = NULL;
    AVCodec *output_audio_codec = NULL;

whatvn

/usr/local/bin/ffmpeg -i /tmp/input.ts -acodec libfdk_aac -vcodec libx264 -s 640x360 -b:v 1000k /tmp/output.ts 2>&1 > /tmp/output.txt
ffmpeg version 2.4.1 Copyright (c) 2000-2014 the FFmpeg developers
  built on Oct  4 2014 16:36:36 with gcc 4.6 (Ubuntu/Linaro 4.6.4-3ubuntu1)
  configuration: --enable-libx264 --enable-libfdk-aac --enable-gpl --enable-nonfree --enable-shared --enable-avresample --enable-debug=3 --disable-pthreads
  libavutil      54.  7.100 / 54.  7.100
  libavcodec     56.  1.100 / 56.  1.100
  libavformat    56.  4.101 / 56.  4.101
  libavdevice    56.  0.100 / 56.  0.100
  libavfilter     5.  1.100 /  5.  1.100
  libavresample   2.  1.  0 /  2.  1.  0

whatvn

		String seedUrl = "www.google.com www.blogger.com";
                _logger.info("Processing url [{}]", seedUrl);
                Random random = new Random();
                String batchId = String.valueOf(random.nextInt());
                Configuration nutchConfiguration = NutchConfiguration.create();
                nutchConfiguration.set(BATCH_ID, batchId);
                String solrUrl = nutchConfiguration.get(SOLR_URL);
                String crawlArgs = String.format("-seedurl %s -depth 5 -topN 10", seedUrl);
                // Run Crawl tool
                ToolRunner.run(nutchConfiguration, new Crawler(),