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  • Java.lang.UnsatisfiedLinkError : No implementation found for int [duplicate]

    28 mars 2017, par Muthukumar Subramaniam

    This question already has an answer here :

    I executed youtube watch me android application project. I just add some classes in my project and build with ndk. I got the error like

    java.lang.UnsatisfiedLinkError : No implementation found for int com.ephronsystem.mobilizerapp.Ffmpeg.encodeVideoFrame(byte[]) (tried Java_com_ephronsystem_mobilizerapp_Ffmpeg_encodeVideoFrame and Java_com_ephronsystem_mobilizerapp_Ffmpeg_encodeVideoFrame___3B).

    My code :

    package com.ephronsystem.mobilizerapp;
    

    
public class Ffmpeg {
    

    
     static {
    
        System.loadLibrary("ffmpeg");
    
    }
    

    
    public static native boolean init(int width, int height, int audio_sample_rate, String rtmpUrl);
    

    
    public static native void shutdown();
    

    
    // Returns the size of the encoded frame.
    
    public static native int encodeVideoFrame(byte[] yuv_image);
    

    
    public static native int encodeAudioFrame(short[] audio_data, int length);
    
}

    This is ffmpeg-jni.c

     #include <android></android>log.h>
    
#include 
    
#include 
    
#include "libavcodec/avcodec.h"
    
#include "libavformat/avformat.h"
    
#include "libavutil/opt.h"
    

    
#ifdef __cplusplus
    
extern "C" {
    
#endif
    

    
JNIEXPORT jboolean JNICALL Java_com_ephronsystem_mobilizerapp_Ffmpeg_init(JNIEnv *env, jobject thiz,
    
                                                                 jint width, jint height,
    
                                                                 jint audio_sample_rate,
    
                                                                 jstring rtmp_url);
    
JNIEXPORT void JNICALL Java_com_ephronsystem_mobilizerapp_Ffmpeg_shutdown(JNIEnv *env,
    
jobject thiz
    
);
    
JNIEXPORT jint JNICALL Java_com_ephronsystem_mobilizerapp_Ffmpeg_encodeVideoFrame(JNIEnv
    
*env,
    
jobject thiz,
    
        jbyteArray
    
yuv_image);
    
JNIEXPORT jint JNICALL Java_com_ephronsystem_mobilizerapp_Ffmpeg_encodeAudioFrame(JNIEnv *env,
    
                                                                             jobject thiz,
    
                                                                             jshortArray audio_data,
    
                                                                             jint length);
    

    
#ifdef __cplusplus
    
}
    
#endif
    

    
#define LOGI(...) __android_log_print(ANDROID_LOG_INFO, "ffmpeg-jni", __VA_ARGS__)
    
#define URL_WRONLY 2
    
        static AVFormatContext *fmt_context;
    
        static AVStream *video_stream;
    
        static AVStream *audio_stream;
    

    
        static int pts
    
= 0;
    
static int last_audio_pts = 0;
    

    
// Buffers for UV format conversion
    
static unsigned char *u_buf;
    
static unsigned char *v_buf;
    

    
static int enable_audio = 1;
    
static int64_t audio_samples_written = 0;
    
static int audio_sample_rate = 0;
    

    
// Stupid buffer for audio samples. Not even a proper ring buffer
    
#define AUDIO_MAX_BUF_SIZE 16384  // 2x what we get from Java
    
static short audio_buf[AUDIO_MAX_BUF_SIZE];
    
static int audio_buf_size = 0;
    

    
void AudioBuffer_Push(const short *audio, int num_samples) {
    
    if (audio_buf_size >= AUDIO_MAX_BUF_SIZE - num_samples) {
    
        LOGI("AUDIO BUFFER OVERFLOW: %i + %i > %i", audio_buf_size, num_samples,
    
             AUDIO_MAX_BUF_SIZE);
    
        return;
    
    }
    
    for (int i = 0; i &lt; num_samples; i++) {
    
        audio_buf[audio_buf_size++] = audio[i];
    
    }
    
}
    

    
int AudioBuffer_Size() { return audio_buf_size; }
    

    
short *AudioBuffer_Get() { return audio_buf; }
    

    
void AudioBuffer_Pop(int num_samples) {
    
    if (num_samples > audio_buf_size) {
    
        LOGI("Audio buffer Pop WTF: %i vs %i", num_samples, audio_buf_size);
    
        return;
    
    }
    
    memmove(audio_buf, audio_buf + num_samples, num_samples * sizeof(short));
    
    audio_buf_size -= num_samples;
    
}
    

    
void AudioBuffer_Clear() {
    
    memset(audio_buf, 0, sizeof(audio_buf));
    
    audio_buf_size = 0;
    
}
    

    
static void log_callback(void *ptr, int level, const char *fmt, va_list vl) {
    
    char x[2048];
    
    vsnprintf(x, 2048, fmt, vl);
    
    LOGI(x);
    
}
    

    
JNIEXPORT jboolean JNICALL Java_com_ephronsystem_mobilizerapp_Ffmpeg_init(JNIEnv *env, jobject thiz,
    
                                                                 jint width, jint height,
    
                                                                 jint audio_sample_rate_param,
    
                                                                 jstring rtmp_url) {
    
    avcodec_register_all();
    
    av_register_all();
    
    av_log_set_callback(log_callback);
    

    
    fmt_context = avformat_alloc_context();
    
    AVOutputFormat *ofmt = av_guess_format("flv", NULL, NULL);
    
    if (ofmt) {
    
        LOGI("av_guess_format returned %s", ofmt->long_name);
    
    } else {
    
        LOGI("av_guess_format fail");
    
        return JNI_FALSE;
    
    }
    

    
    fmt_context->oformat = ofmt;
    
    LOGI("creating video stream");
    
    video_stream = av_new_stream(fmt_context, 0);
    

    
    if (enable_audio) {
    
        LOGI("creating audio stream");
    
        audio_stream = av_new_stream(fmt_context, 1);
    
    }
    

    
    // Open Video Codec.
    
    // ======================
    
    AVCodec *video_codec = avcodec_find_encoder(AV_CODEC_ID_H264);
    
    if (!video_codec) {
    
        LOGI("Did not find the video codec");
    
        return JNI_FALSE;  // leak!
    
    } else {
    
        LOGI("Video codec found!");
    
    }
    
    AVCodecContext *video_codec_ctx = video_stream->codec;
    
    video_codec_ctx->codec_id = video_codec->id;
    
    video_codec_ctx->codec_type = AVMEDIA_TYPE_VIDEO;
    
    video_codec_ctx->level = 31;
    

    
    video_codec_ctx->width = width;
    
    video_codec_ctx->height = height;
    
    video_codec_ctx->pix_fmt = PIX_FMT_YUV420P;
    
    video_codec_ctx->rc_max_rate = 0;
    
    video_codec_ctx->rc_buffer_size = 0;
    
    video_codec_ctx->gop_size = 12;
    
    video_codec_ctx->max_b_frames = 0;
    
    video_codec_ctx->slices = 8;
    
    video_codec_ctx->b_frame_strategy = 1;
    
    video_codec_ctx->coder_type = 0;
    
    video_codec_ctx->me_cmp = 1;
    
    video_codec_ctx->me_range = 16;
    
    video_codec_ctx->qmin = 10;
    
    video_codec_ctx->qmax = 51;
    
    video_codec_ctx->keyint_min = 25;
    
    video_codec_ctx->refs = 3;
    
    video_codec_ctx->trellis = 0;
    
    video_codec_ctx->scenechange_threshold = 40;
    
    video_codec_ctx->flags |= CODEC_FLAG_LOOP_FILTER;
    
    video_codec_ctx->me_method = ME_HEX;
    
    video_codec_ctx->me_subpel_quality = 6;
    
    video_codec_ctx->i_quant_factor = 0.71;
    
    video_codec_ctx->qcompress = 0.6;
    
    video_codec_ctx->max_qdiff = 4;
    
    video_codec_ctx->time_base.den = 10;
    
    video_codec_ctx->time_base.num = 1;
    
    video_codec_ctx->bit_rate = 3200 * 1000;
    
    video_codec_ctx->bit_rate_tolerance = 0;
    
    video_codec_ctx->flags2 |= 0x00000100;
    

    
    fmt_context->bit_rate = 4000 * 1000;
    

    
    av_opt_set(video_codec_ctx, "partitions", "i8x8,i4x4,p8x8,b8x8", 0);
    
    av_opt_set_int(video_codec_ctx, "direct-pred", 1, 0);
    
    av_opt_set_int(video_codec_ctx, "rc-lookahead", 0, 0);
    
    av_opt_set_int(video_codec_ctx, "fast-pskip", 1, 0);
    
    av_opt_set_int(video_codec_ctx, "mixed-refs", 1, 0);
    
    av_opt_set_int(video_codec_ctx, "8x8dct", 0, 0);
    
    av_opt_set_int(video_codec_ctx, "weightb", 0, 0);
    

    
    if (fmt_context->oformat->flags &amp; AVFMT_GLOBALHEADER)
    
        video_codec_ctx->flags |= CODEC_FLAG_GLOBAL_HEADER;
    

    
    LOGI("Opening video codec");
    
    AVDictionary *vopts = NULL;
    
    av_dict_set(&amp;vopts, "profile", "main", 0);
    
    //av_dict_set(&amp;vopts, "vprofile", "main", 0);
    
    av_dict_set(&amp;vopts, "rc-lookahead", 0, 0);
    
    av_dict_set(&amp;vopts, "tune", "film", 0);
    
    av_dict_set(&amp;vopts, "preset", "ultrafast", 0);
    
    av_opt_set(video_codec_ctx->priv_data, "tune", "film", 0);
    
    av_opt_set(video_codec_ctx->priv_data, "preset", "ultrafast", 0);
    
    av_opt_set(video_codec_ctx->priv_data, "tune", "film", 0);
    
    int open_res = avcodec_open2(video_codec_ctx, video_codec, &amp;vopts);
    
    if (open_res &lt; 0) {
    
        LOGI("Error opening video codec: %i", open_res);
    
        return JNI_FALSE;   // leak!
    
    }
    

    
    // Open Audio Codec.
    
    // ======================
    

    
    if (enable_audio) {
    
        AudioBuffer_Clear();
    
        audio_sample_rate = audio_sample_rate_param;
    
        AVCodec *audio_codec = avcodec_find_encoder(AV_CODEC_ID_AAC);
    
        if (!audio_codec) {
    
            LOGI("Did not find the audio codec");
    
            return JNI_FALSE;  // leak!
    
        } else {
    
            LOGI("Audio codec found!");
    
        }
    
        AVCodecContext *audio_codec_ctx = audio_stream->codec;
    
        audio_codec_ctx->codec_id = audio_codec->id;
    
        audio_codec_ctx->codec_type = AVMEDIA_TYPE_AUDIO;
    
        audio_codec_ctx->bit_rate = 128000;
    
        audio_codec_ctx->bit_rate_tolerance = 16000;
    
        audio_codec_ctx->channels = 1;
    
        audio_codec_ctx->profile = FF_PROFILE_AAC_LOW;
    
        audio_codec_ctx->sample_fmt = AV_SAMPLE_FMT_FLT;
    
        audio_codec_ctx->sample_rate = 44100;
    

    
        LOGI("Opening audio codec");
    
        AVDictionary *opts = NULL;
    
        av_dict_set(&amp;opts, "strict", "experimental", 0);
    
        open_res = avcodec_open2(audio_codec_ctx, audio_codec, &amp;opts);
    
        LOGI("audio frame size: %i", audio_codec_ctx->frame_size);
    

    
        if (open_res &lt; 0) {
    
            LOGI("Error opening audio codec: %i", open_res);
    
            return JNI_FALSE;   // leak!
    
        }
    
    }
    

    
    const jbyte *url = (*env)->GetStringUTFChars(env, rtmp_url, NULL);
    

    
    // Point to an output file
    
    if (!(ofmt->flags &amp; AVFMT_NOFILE)) {
    
        if (avio_open(&amp;fmt_context->pb, url, URL_WRONLY) &lt; 0) {
    
            LOGI("ERROR: Could not open file %s", url);
    
            return JNI_FALSE;  // leak!
    
        }
    
    }
    
    (*env)->ReleaseStringUTFChars(env, rtmp_url, url);
    

    
    LOGI("Writing output header.");
    
    // Write file header
    
    if (avformat_write_header(fmt_context, NULL) != 0) {
    
        LOGI("ERROR: av_write_header failed");
    
        return JNI_FALSE;
    
    }
    

    
    pts = 0;
    
    last_audio_pts = 0;
    
    audio_samples_written = 0;
    

    
    // Initialize buffers for UV format conversion
    
    int frame_size = video_codec_ctx->width * video_codec_ctx->height;
    
    u_buf = (unsigned char *) av_malloc(frame_size / 4);
    
    v_buf = (unsigned char *) av_malloc(frame_size / 4);
    

    
    LOGI("ffmpeg encoding init done");
    
    return JNI_TRUE;
    
}
    

    
JNIEXPORT void JNICALL Java_com_ephronsystem_mobilizerapp_Ffmpeg_shutdown(JNIEnv
    
*env,
    
jobject thiz
    
) {
    
av_write_trailer(fmt_context);
    
avio_close(fmt_context
    
->pb);
    
avcodec_close(video_stream
    
->codec);
    
if (enable_audio) {
    
avcodec_close(audio_stream
    
->codec);
    
}
    
av_free(fmt_context);
    
av_free(u_buf);
    
av_free(v_buf);
    

    
fmt_context = NULL;
    
u_buf = NULL;
    
v_buf = NULL;
    
}
    

    
JNIEXPORT jint JNICALL Java_com_ephronsystem_mobilizerapp_Ffmpeg_encodeVideoFrame(JNIEnv
    
*env,
    
jobject thiz,
    
        jbyteArray
    
yuv_image) {
    
int yuv_length = (*env)->GetArrayLength(env, yuv_image);
    
unsigned char *yuv_data = (*env)->GetByteArrayElements(env, yuv_image, 0);
    

    
AVCodecContext *video_codec_ctx = video_stream->codec;
    
//LOGI("Yuv size: %i w: %i h: %i", yuv_length, video_codec_ctx->width, video_codec_ctx->height);
    

    
int frame_size = video_codec_ctx->width * video_codec_ctx->height;
    

    
const unsigned char *uv = yuv_data + frame_size;
    

    
// Convert YUV from NV12 to I420. Y channel is the same so we don't touch it,
    
// we just have to deinterleave UV.
    
for (
    
int i = 0;
    
i &lt; frame_size / 4; i++) {
    
v_buf[i] = uv[i * 2];
    
u_buf[i] = uv[i * 2 + 1];
    
}
    

    
AVFrame source;
    
memset(&amp;source, 0, sizeof(AVFrame));
    
source.data[0] =
    
yuv_data;
    
source.data[1] =
    
u_buf;
    
source.data[2] =
    
v_buf;
    
source.linesize[0] = video_codec_ctx->
    
width;
    
source.linesize[1] = video_codec_ctx->width / 2;
    
source.linesize[2] = video_codec_ctx->width / 2;
    

    
// only for bitrate regulation. irrelevant for sync.
    
source.
    
pts = pts;
    
pts++;
    

    
int out_length = frame_size + (frame_size / 2);
    
unsigned char *out = (unsigned char *) av_malloc(out_length);
    
int compressed_length = avcodec_encode_video(video_codec_ctx, out, out_length, &amp;source);
    

    
(*env)->
    
ReleaseByteArrayElements(env, yuv_image, yuv_data,
    
0);
    

    
// Write to file too
    
if (compressed_length > 0) {
    
AVPacket pkt;
    
av_init_packet(&amp;pkt);
    
pkt.
    
pts = last_audio_pts;
    
if (video_codec_ctx->coded_frame &amp;&amp; video_codec_ctx->coded_frame->key_frame) {
    
pkt.flags |= 0x0001;
    
}
    
pkt.
    
stream_index = video_stream->index;
    
pkt.
    
data = out;
    
pkt.
    
size = compressed_length;
    
if (
    
av_interleaved_write_frame(fmt_context,
    
&amp;pkt) != 0) {
    
LOGI("Error writing video frame");
    
}
    
} else {
    
LOGI("??? compressed_length &lt;= 0");
    
}
    

    
last_audio_pts++;
    

    
av_free(out);
    
return
    
compressed_length;
    
}
    

    
JNIEXPORT jint JNICALL Java_com_ephronsystem_mobilizerapp_Ffmpeg_encodeAudioFrame(JNIEnv
    
*env,
    
jobject thiz,
    
        jshortArray
    
audio_data,
    
jint length
    
) {
    
if (!enable_audio) {
    
return 0;
    
}
    

    
short *audio = (*env)->GetShortArrayElements(env, audio_data, 0);
    
//LOGI("java audio buffer size: %i", length);
    

    
AVCodecContext *audio_codec_ctx = audio_stream->codec;
    

    
unsigned char *out = av_malloc(128000);
    

    
AudioBuffer_Push(audio, length
    
);
    

    
int total_compressed = 0;
    
while (
    

    
AudioBuffer_Size()
    

    
>= audio_codec_ctx->frame_size) {
    
AVPacket pkt;
    
av_init_packet(&amp;pkt);
    

    
int compressed_length = avcodec_encode_audio(audio_codec_ctx, out, 128000,
    
                                             AudioBuffer_Get());
    

    
total_compressed +=
    
compressed_length;
    
audio_samples_written += audio_codec_ctx->
    
frame_size;
    

    
int new_pts = (audio_samples_written * 1000) / audio_sample_rate;
    
if (compressed_length > 0) {
    
pkt.
    
size = compressed_length;
    
pkt.
    
pts = new_pts;
    
last_audio_pts = new_pts;
    
//LOGI("audio_samples_written: %i  comp_length: %i   pts: %i", (int)audio_samples_written, (int)compressed_length, (int)new_pts);
    
pkt.flags |= 0x0001;
    
pkt.
    
stream_index = audio_stream->index;
    
pkt.
    
data = out;
    
if (
    
av_interleaved_write_frame(fmt_context,
    
&amp;pkt) != 0) {
    
LOGI("Error writing audio frame");
    
}
    
}
    
AudioBuffer_Pop(audio_codec_ctx
    
->frame_size);
    
}
    

    
(*env)->
    
ReleaseShortArrayElements(env, audio_data, audio,
    
0);
    

    
av_free(out);
    
return
    
total_compressed;
    
}

  • FFMPEG to create an MPEG-DASH stream with VP8

    24 avril 2017, par Kenneth Worden

    I’m trying to use FFMPEG to stream a live video feed from my webcam /dev/video0. Following scattered tutorials and scarce documentation (is this a known problem for the encoding community ?) I arrived at the following bash script :

    #!/bin/bash
    

    
ffmpeg \
    
    -y \
    
    -f v4l2 \
    
        -i /dev/video0 \
    
        -s 640x480 \
    
        -input_format mjpeg \
    
        -r 24 \
    
    -map 0:0 \
    
    -pix_fmt yuv420p \
    
    -codec:v libvpx \
    
        -s 640x480 \
    
        -threads 4 \
    
        -b:v 50k \
    
        -tile-columns 4 \
    
        -frame-parallel 1 \
    
        -keyint_min 24 -g 24 \
    
    -f webm_chunk \
    
        -header "stream.hdr" \
    
        -chunk_start_index 1 \
    
    stream_%d.chk &amp;
    

    
sleep 2
    

    
ffmpeg \
    
    -f webm_dash_manifest -live 1 \
    
    -i stream.hdr \
    
    -c copy \
    
    -map 0 \
    
    -f webm_dash_manifest -live 1 \
    
        -adaptation_sets "id=0,streams=0" \
    
        -chunk_start_index 1 \
    
        -chunk_duration_ms 1000 \
    
        -time_shift_buffer_depth 30000 \
    
        -minimum_update_period 60000 \
    
    stream_manifest.mpd

    When I run this script, my webcam light turns on, the stream.hdr and stream_manifest.mpd files are written, and chunks start to be created (i.e. stream_1.chk, stream_2.chk, etc...). However, FFMPEG throws the following error :

    Could not write header for output file #0 (incorrect codec parameters
     ?) : Invalid data found when processing input

    I will explain what I think I am doing with this script, and hopefully this will expose any errors in my thinking.

    First, we invoke FFMPEG to use Video for Linux 2 (v4l2) to read from my webcam (/dev/video0) of a resolution 640x480. The input format is mjpeg with a framerate of 24fps.

    I then declare that FFMPEG should "map" (copy) the video stream output by v4l2 to a file. I specify the pixel format (YUV420P) and use libvpx (VP8 encoding) to encode the video stream. I set the size to be 640x480, use 4 threads, set the bitrate to be 50kbps, do some magic with tile-columns and frame-parallel options, and set the I-frames to be 24 frames apart.

    I then create a stream.hdr file. The starting index is 1. This command continues to run infinitely until I kill it, grabbing new video from my webcam and outputting it into chunks.

    I then sleep for 2 seconds to give the previous command time to generate a header file.

    And that’s really it. The next invocation of FFMPEG simply creates the MPEG-DASH manifest file given the header generated in the previous step.

    So what’s going on ? Why can I not view the video in a web browser (I’m using Dash.js) ? I serve the manifest, header, and chunks on a Node.js server so that trivial issue is not the problem.

    Edit : Here is my full console output.

    ffmpeg version 3.0.7-0ubuntu0.16.10.1 Copyright (c) 2000-2017 the FFmpeg developers
    
  built with gcc 6.2.0 (Ubuntu 6.2.0-5ubuntu12) 20161005
    
  configuration: --prefix=/usr --extra-version=0ubuntu0.16.10.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --cc=cc --cxx=g++ --enable-gpl --enable-shared --disable-stripping --disable-decoder=libopenjpeg --disable-decoder=libschroedinger --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librubberband --enable-librtmp --enable-libschroedinger --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxvid --enable-libzvbi --enable-openal --enable-opengl --enable-x11grab --enable-libdc1394 --enable-libiec61883 --enable-libzmq --enable-frei0r --enable-chromaprint --enable-libx264
    
  libavutil      55. 17.103 / 55. 17.103
    
  libavcodec     57. 24.102 / 57. 24.102
    
  libavformat    57. 25.100 / 57. 25.100
    
  libavdevice    57.  0.101 / 57.  0.101
    
  libavfilter     6. 31.100 /  6. 31.100
    
  libavresample   3.  0.  0 /  3.  0.  0
    
  libswscale      4.  0.100 /  4.  0.100
    
  libswresample   2.  0.101 /  2.  0.101
    
  libpostproc    54.  0.100 / 54.  0.100
    
[video4linux2,v4l2 @ 0x55847e244ea0] The driver changed the time per frame from 1/24 to 1/30
    
[mjpeg @ 0x55847e245c00] Changing bps to 8
    
Input #0, video4linux2,v4l2, from '/dev/video0':
    
  Duration: N/A, start: 64305.102081, bitrate: N/A
    
    Stream #0:0: Video: mjpeg, yuvj422p(pc, bt470bg/unknown/unknown), 640x480, -5 kb/s, 30 fps, 30 tbr, 1000k tbn, 1000k tbc
    
Codec AVOption frame-parallel (Enable frame parallel decodability features) specified for output file #0 (stream_%d.chk) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
    
Codec AVOption tile-columns (Number of tile columns to use, log2) specified for output file #0 (stream_%d.chk) has not been used for any stream. The most likely reason is either wrong type (e.g. a video option with no video streams) or that it is a private option of some encoder which was not actually used for any stream.
    
[swscaler @ 0x55847e24b720] deprecated pixel format used, make sure you did set range correctly
    
[libvpx @ 0x55847e248a20] v1.5.0
    
Output #0, webm_chunk, to 'stream_%d.chk':
    
  Metadata:
    
    encoder         : Lavf57.25.100
    
    Stream #0:0: Video: vp8 (libvpx), yuv420p, 640x480, q=-1--1, 50 kb/s, 30 fps, 30 tbn, 30 tbc
    
    Metadata:
    
      encoder         : Lavc57.24.102 libvpx
    
    Side data:
    
      unknown side data type 10 (24 bytes)
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (mjpeg (native) -> vp8 (libvpx))
    
Press [q] to stop, [?] for help
    
frame=   21 fps=0.0 q=0.0 size=N/A time=00:00:00.70 bitrate=N/A dup=5 drop=frame=   36 fps= 35 q=0.0 size=N/A time=00:00:01.20 bitrate=N/A dup=5 drop=frame=   51 fps= 33 q=0.0 size=N/A time=00:00:01.70 bitrate=N/A dup=5 drop=ffmpeg version 3.0.7-0ubuntu0.16.10.1 Copyright (c) 2000-2017 the FFmpeg developers
    
  built with gcc 6.2.0 (Ubuntu 6.2.0-5ubuntu12) 20161005
    
  configuration: --prefix=/usr --extra-version=0ubuntu0.16.10.1 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --cc=cc --cxx=g++ --enable-gpl --enable-shared --disable-stripping --disable-decoder=libopenjpeg --disable-decoder=libschroedinger --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librubberband --enable-librtmp --enable-libschroedinger --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxvid --enable-libzvbi --enable-openal --enable-opengl --enable-x11grab --enable-libdc1394 --enable-libiec61883 --enable-libzmq --enable-frei0r --enable-chromaprint --enable-libx264
    
  libavutil      55. 17.103 / 55. 17.103
    
  libavcodec     57. 24.102 / 57. 24.102
    
  libavformat    57. 25.100 / 57. 25.100
    
  libavdevice    57.  0.101 / 57.  0.101
    
  libavfilter     6. 31.100 /  6. 31.100
    
  libavresample   3.  0.  0 /  3.  0.  0
    
  libswscale      4.  0.100 /  4.  0.100
    
  libswresample   2.  0.101 /  2.  0.101
    
  libpostproc    54.  0.100 / 54.  0.100
    
Input #0, webm_dash_manifest, from 'stream.hdr':
    
  Metadata:
    
    encoder         : Lavf57.25.100
    
  Duration: N/A, bitrate: N/A
    
    Stream #0:0: Video: vp8, yuv420p, 640x480, SAR 1:1 DAR 4:3, 30 fps, 30 tbr, 1k tbn, 1k tbc (default)
    
    Metadata:
    
      webm_dash_manifest_file_name: stream.hdr
    
      webm_dash_manifest_track_number: 1
    
Output #0, webm_dash_manifest, to 'stream_manifest.mpd':
    
  Metadata:
    
    encoder         : Lavf57.25.100
    
    Stream #0:0: Video: vp8, yuv420p, 640x480 [SAR 1:1 DAR 4:3], q=2-31, 30 fps, 30 tbr, 1k tbn, 1k tbc (default)
    
    Metadata:
    
      webm_dash_manifest_file_name: stream.hdr
    
      webm_dash_manifest_track_number: 1
    
Stream mapping:
    
  Stream #0:0 -> #0:0 (copy)
    
Could not write header for output file #0 (incorrect codec parameters ?): Invalid data found when processing input
    
frame=   67 fps= 33 q=0.0 size
    
frame=   82 fps= 32 q=0.0 size=N/A time=00:00:02.73 bitrate=N/A dup=5 drop=
    
frame=   97 fps= 32 q=0.0 size=N/A time=00:00:03.23 bitrate=N/A dup=5 drop=
    
frame=  112 fps= 32 q=0.0 size=N/A time=00:00:03.73 bitrate=N/A dup=5 ...

  • Incorrect syntax using FFmpeg

    25 avril 2017, par Halid Kyazim

    Hello guys i am tring to convert videos using FFmpeg...

    1. I moved ffmpeg.exe in same folder with upload.php

    2. I tryed this codes in upload.php :

      $randname = (rand(0,1000));
      
$file_data=date("d-m-Y-H-i-s");
      
$file_name=$file_data.$randname;
      
move_uploaded_file($file_tmp,"vidconvert/".$file_name);
      
exec (ffmpeg -i vidconvert/.$file_name videos/.$file_name.mp4);
      
echo "Success";

    3. I want to get the file in vidconvert folder, and copy converted video to videos folder

    Note : when i check the vidconfert folder, the file is uploaded succesfully

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