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• Conversion does not end using ffmpeg on Android device

  3 février 2016, par Belhaver

  I am trying to make an application with usage of ffmpeg-android-java https://github.com/WritingMinds/ffmpeg-android-java and i have a problem. File conversion just does not end.

  Here is code which i am using :

  try {
  
      // code...
  
          String commandStr = "-y -i /storage/emulated/0/input.mp4 -strict experimental -s " + fileWidth + "x" + fileHeight + " -vcodec libx264 -r 30 /storage/emulated/0/output.mp4";
  
  
  
          ffmpeg.execute(commandStr, new ExecuteBinaryResponseHandler() {
  
              @Override
  
              public void onSuccess(String message) {
  
                  Log.d("FFMPEG success", "");
  
                  // code...
  
              }
  
  
  
              @Override
  
              public void onFailure(String message) {
  
  
  
                  Log.d("FFMPEG failure: ", message);
  
                  // code...
  
              }
  
  
  
              @Override
  
              public void onProgress(String message) {
  
                  Log.d("FFMPEG process: ", message);
  
              }
  
  
  
              @Override
  
              public void onFinish() {
  
                  Log.d("FFMPEG done", "");
  
              }
  
          });
  
      } catch (Throwable e) {
  
          e.printStackTrace();
  
      }

  Here is the output process :

  FFMPEG process:: WARNING: linker: /data/data/pl.tradesoft.testowa/files/ffmpeg has text relocations. This is wasting memory and prevents security hardening. Please fix.
  
  FFMPEG process:: ffmpeg version n2.4.2 Copyright (c) 2000-2014 the FFmpeg developers
  
  FFMPEG process::   built on Oct  7 2014 15:08:46 with gcc 4.8 (GCC)
  
  FFMPEG process::   configuration: --target-os=linux --cross-prefix=/home/sb/Source-Code/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi- --arch=arm --cpu=cortex-a8 --enable-runtime-cpudetect --sysroot=/home/sb/Source-Code/ffmpeg-android/toolchain-android/sysroot --enable-pic --enable-libx264 --enable-libass --enable-libfreetype --enable-libfribidi --enable-fontconfig --enable-pthreads --disable-debug --disable-ffserver --enable-version3 --enable-hardcoded-tables --disable-ffplay --disable-ffprobe --enable-gpl --enable-yasm --disable-doc --disable-shared --enable-static --pkg-config=/home/sb/Source-Code/ffmpeg-android/ffmpeg-pkg-config --prefix=/home/sb/Source-Code/ffmpeg-android/build/armeabi-v7a-neon --extra-cflags='-I/home/sb/Source-Code/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all -mfpu=neon' --extra-ldflags='-L/home/sb/Source-Code/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' --extra-libs='-lpng -lexpat -lm' --extra-cxxflags=
  
  FFMPEG process::   libavutil      54.  7.100 / 54.  7.100
  
  FFMPEG process::   libavcodec     56.  1.100 / 56.  1.100
  
  FFMPEG process::   libavformat    56.  4.101 / 56.  4.101
  
  FFMPEG process::   libavdevice    56.  0.100 / 56.  0.100
  
  FFMPEG process::   libavfilter     5.  1.100 /  5.  1.100
  
  FFMPEG process::   libswscale      3.  0.100 /  3.  0.100
  
  FFMPEG process::   libswresample   1.  1.100 /  1.  1.100
  
  FFMPEG process::   libpostproc    53.  0.100 / 53.  0.100
  
  FFMPEG process:: Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/storage/emulated/0/input.mp4':
  
  FFMPEG process::   Metadata:
  
  FFMPEG process::     major_brand     : isom
  
  FFMPEG process::     minor_version   : 512
  
  FFMPEG process::     compatible_brands: isomiso2avc1mp41
  
  FFMPEG process::     encoder         : Lavf54.63.104
  
  FFMPEG process::   Duration: 00:01:00.35, start: 0.000000, bitrate: 3267 kb/s
  
  FFMPEG process::     Stream #0:0(und): Video: h264 (Main) (avc1 / 0x31637661), yuv420p, 1368x768 [SAR 1:1 DAR 57:32], 3258 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
  
  FFMPEG process::     Metadata:
  
  FFMPEG process::       handler_name    : VideoHandler
  
  FFMPEG process::     Stream #0:1(und): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 3 kb/s (default)
  
  FFMPEG process::     Metadata:
  
  FFMPEG process::       handler_name    : SoundHandler
  
  FFMPEG process:: [libx264 @ 0xb5e08800] using SAR=1/1
  
  FFMPEG process:: [libx264 @ 0xb5e08800] using cpu capabilities: none!
  
  FFMPEG process:: [libx264 @ 0xb5e08800] profile High, level 3.2
  
  FFMPEG process:: [libx264 @ 0xb5e08800] 264 - core 142 - H.264/MPEG-4 AVC codec - Copyleft 2003-2014 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
  
  FFMPEG process:: Output #0, mp4, to '/storage/emulated/0/output.mp4':
  
  FFMPEG process::   Metadata:
  
  FFMPEG process::     major_brand     : isom
  
  FFMPEG process::     minor_version   : 512
  
  FFMPEG process::     compatible_brands: isomiso2avc1mp41
  
  FFMPEG process::     encoder         : Lavf56.4.101
  
  FFMPEG process::     Stream #0:0(und): Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 1368x768 [SAR 1:1 DAR 57:32], q=-1--1, 30 fps, 15360 tbn, 30 tbc (default)
  
  FFMPEG process::     Metadata:
  
  FFMPEG process::       handler_name    : VideoHandler
  
  FFMPEG process::       encoder         : Lavc56.1.100 libx264
  
  FFMPEG process::     Stream #0:1(und): Audio: aac ([64][0][0][0] / 0x0040), 44100 Hz, stereo, fltp, 128 kb/s (default)
  
  FFMPEG process::     Metadata:
  
  FFMPEG process::       handler_name    : SoundHandler
  
  FFMPEG process::       encoder         : Lavc56.1.100 aac
  
  FFMPEG process:: Stream mapping:
  
  FFMPEG process::   Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
  
  FFMPEG process::   Stream #0:1 -> #0:1 (aac (native) -> aac (native))
  
  FFMPEG process:: Press [q] to stop, [?] for help
  
  FFMPEG process:: frame=   16 fps=0.0 q=0.0 size=       0kB time=00:00:00.62 bitrate=   0.6kbits/s    
  
  FFMPEG process:: frame=   31 fps= 30 q=0.0 size=       0kB time=00:00:01.11 bitrate=   0.3kbits/s    
  
  
  
  .......
  
  
  
  FFMPEG process:: frame= 1801 fps=2.7 q=29.0 size=    4550kB time=00:01:00.11 bitrate= 620.0kbits/s    
  
  FFMPEG process:: frame= 1805 fps=2.7 q=29.0 size=    4552kB time=00:01:00.25 bitrate= 618.8kbits/s    
  
  FFMPEG process:: frame= 1808 fps=2.7 q=29.0 size=    4555kB time=00:01:00.30 bitrate= 618.8kbits/s    
  
  FFMPEG process:: frame= 1810 fps=2.7 q=-1.0 Lsize=    4640kB time=00:01:00.34 bitrate= 629.9kbits/s    
  
  FFMPEG process:: video:4561kB audio:15kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.407034%
  
  FFMPEG process:: [libx264 @ 0xb5e08800] frame I:8     Avg QP:16.53  size:114657
  
  FFMPEG process:: [libx264 @ 0xb5e08800] frame P:571   Avg QP:19.19  size:  5161
  
  FFMPEG process:: [libx264 @ 0xb5e08800] frame B:1231  Avg QP:26.30  size:   654
  
  FFMPEG process:: [libx264 @ 0xb5e08800] consecutive B-frames:  8.7%  1.3%  1.3% 88.6%
  
  FFMPEG process:: [libx264 @ 0xb5e08800] mb I  I16..4: 19.9% 33.4% 46.7%
  
  FFMPEG process:: [libx264 @ 0xb5e08800] mb P  I16..4:  1.7%  2.3%  0.5%  P16..4: 16.5%  2.5%  2.0%  0.0%  0.0%    skip:74.5%
  
  FFMPEG process:: [libx264 @ 0xb5e08800] mb B  I16..4:  0.1%  0.1%  0.0%  B16..8:  5.8%  0.4%  0.1%  direct: 0.2%  skip:93.2%  L0:37.8% L1:59.7% BI: 2.5%
  
  FFMPEG process:: [libx264 @ 0xb5e08800] 8x8 transform intra:47.6% inter:79.3%
  
  FFMPEG process:: [libx264 @ 0xb5e08800] coded y,uvDC,uvAC intra: 38.4% 73.1% 35.2% inter: 2.0% 4.6% 0.4%
  
  FFMPEG process:: [libx264 @ 0xb5e08800] i16 v,h,dc,p: 40% 30% 15% 16%
  
  FFMPEG process:: [libx264 @ 0xb5e08800] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 23% 15% 38%  5%  6%  3%  3%  3%  4%
  
  FFMPEG process:: [libx264 @ 0xb5e08800] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 30% 26% 18%  5%  6%  4%  4%  3%  3%
  
  FFMPEG process:: [libx264 @ 0xb5e08800] i8c dc,h,v,p: 40% 25% 29%  7%
  
  FFMPEG process:: [libx264 @ 0xb5e08800] Weighted P-Frames: Y:2.6% UV:2.6%
  
  FFMPEG process:: [libx264 @ 0xb5e08800] ref P L0: 68.8%  8.0% 15.3%  7.5%  0.5%
  
  FFMPEG process:: [libx264 @ 0xb5e08800] ref B L0: 85.0% 12.4%  2.6%
  
  FFMPEG process:: [libx264 @ 0xb5e08800] ref B L1: 94.1%  5.9%
  
  FFMPEG process:: [libx264 @ 0xb5e08800] kb/s:619.16

  And that’s all, nothing more is showing up. I was trying to change codec etc. and it didn’t work. Do you have any idea how can i resolve that problem ?

• Demuxing a video media file with FFMPEG

  23 février 2016, par MOHW

  After starting this question Extracting the h264 part of a video file (demuxing) I was actually able to figure out that,

  1. When I reverted to an older version of FFMPEG (avcodec-55.dll) as against the avcodec-57.dll I was using earlier, the code worked perfectly without any error and the resultant h264 file played with ffplay.
  2. When I tracked my output when using the avcodec-57.dll version of FFMPEG (most recent version), there was actually an error "Using AVStream.codec.time_base as a timebase hint to the muxer is deprecated. Set AVStream.time_base instead" after the call avformat_write_header(ofmt_ctx_v, NULL) and another one after the call to avformat_write_header(ofmt_ctx_a, NULL). The program continued executing, the audio was fine but the .h264 file wasn’t.

  The output

  Press any key to continue . . .
  
  Press any key to continue . . .
  
  Press any key to continue . . .
  
  Press any key to continue . . .
  
  
  
  ==============Input Video=============
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'sample.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      title           : 10153755968775490
  
      encoder         : Lavf57.19.100
  
    Duration: 00:01:07.27, start: 0.020021, bitrate: 1058 kb/s
  
      Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 400x224 [
  
  SAR 199:200 DAR 199:112], 927 kb/s, 15 fps, 15 tbr, 15360 tbn, 30 tbc (default)
  
      Metadata:
  
        handler_name    : VideoHandler
  
      Stream #0:1(eng): Audio: mp3 (mp4a / 0x6134706D), 48000 Hz, stereo, s16p, 12
  
  8 kb/s (default)
  
      Metadata:
  
        handler_name    : SoundHandler
  
  
  
  ==============Output Video============
  
  Output #0, h264, to 'sample.h264':
  
      Stream #0:0: Video: h264 (High), yuv420p, 400x224 [SAR 199:200 DAR 199:112],
  
   q=2-31, 927 kb/s, 30 tbc
  
  
  
  ==============Output Audio============
  
  Output #0, mp3, to 'sample.mp3':
  
      Stream #0:0: Audio: mp3, 48000 Hz, stereo, s16p, 128 kb/s
  
  
  
  ======================================
  
  [h264 @ 00a3ee20] Using AVStream.codec.time_base as a timebase hint to the muxer
  
   is deprecated. Set AVStream.time_base instead.
  
  [mp3 @ 00a4fec0] Using AVStream.codec.time_base as a timebase hint to the muxer
  
  is deprecated. Set AVStream.time_base instead.
  
  Press any key to continue . . .

  The code

  #include 
  
  
  
  #define __STDC_CONSTANT_MACROS
  
  
  
  extern "C"
  
  {
  
      #include "libavformat/avformat.h"
  
  }
  
  
  
  
  
  #define USE_H264BSF 1
  
  
  
  int main()
  
  {
  
      AVOutputFormat *ofmt_a = NULL,*ofmt_v = NULL;
  
      AVFormatContext *ifmt_ctx = NULL, *ofmt_ctx_a = NULL, *ofmt_ctx_v = NULL;
  
      AVPacket pkt;
  
      int ret, i;
  
      int videoindex=-1,audioindex=-1;
  
      int frame_index=0;
  
  
  
      const char *in_filename  = "sample.mp4";
  
      const char *out_filename_v = "sample.h264";
  
      const char *out_filename_a = "sample.mp3";
  
  
  
      av_register_all();
  
      //Input
  
      if ((ret = avformat_open_input(&ifmt_ctx, in_filename, 0, 0)) < 0) {
  
          printf( "Could not open input file.");
  
          goto end;
  
      }
  
      if ((ret = avformat_find_stream_info(ifmt_ctx, 0)) < 0) {
  
          printf( "Failed to retrieve input stream information");
  
          goto end;
  
      }
  
  system("pause");
  
  
  
      //Output
  
      avformat_alloc_output_context2(&ofmt_ctx_v, NULL, NULL, out_filename_v);
  
      if (!ofmt_ctx_v) {
  
          printf( "Could not create output context\n");
  
          ret = AVERROR_UNKNOWN;
  
          goto end;
  
      }
  
      ofmt_v = ofmt_ctx_v->oformat;
  
  
  
  system("pause");
  
  
  
      avformat_alloc_output_context2(&ofmt_ctx_a, NULL, NULL, out_filename_a);
  
      if (!ofmt_ctx_a) {
  
          printf( "Could not create output context\n");
  
          ret = AVERROR_UNKNOWN;
  
          goto end;
  
      }
  
      ofmt_a = ofmt_ctx_a->oformat;
  
  system("pause");
  
      for (i = 0; i < ifmt_ctx->nb_streams; i++) {
  
              //Create output AVStream according to input AVStream
  
              AVFormatContext *ofmt_ctx;
  
              AVStream *in_stream = ifmt_ctx->streams[i];
  
              AVStream *out_stream = NULL;
  
  
  
              if(ifmt_ctx->streams[i]->codec->codec_type==AVMEDIA_TYPE_VIDEO){
  
                  videoindex=i;
  
                  out_stream=avformat_new_stream(ofmt_ctx_v, in_stream->codec->codec);
  
                  ofmt_ctx=ofmt_ctx_v;
  
              }else if(ifmt_ctx->streams[i]->codec->codec_type==AVMEDIA_TYPE_AUDIO){
  
                  audioindex=i;
  
                  out_stream=avformat_new_stream(ofmt_ctx_a, in_stream->codec->codec);
  
                  ofmt_ctx=ofmt_ctx_a;
  
              }else{
  
                  break;
  
              }
  
  
  
              if (!out_stream) {
  
                  printf( "Failed allocating output stream\n");
  
                  ret = AVERROR_UNKNOWN;
  
                  goto end;
  
              }
  
              //Copy the settings of AVCodecContext
  
              if (avcodec_copy_context(out_stream->codec, in_stream->codec) < 0) {
  
                  printf( "Failed to copy context from input to output stream codec context\n");
  
                  goto end;
  
              }
  
              out_stream->codec->codec_tag = 0;
  
  
  
              if (ofmt_ctx->oformat->flags & AVFMT_GLOBALHEADER)
  
                  out_stream->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
  
      }
  
  system("pause");
  
      //Dump Format------------------
  
      printf("\n==============Input Video=============\n");
  
      av_dump_format(ifmt_ctx, 0, in_filename, 0);
  
      printf("\n==============Output Video============\n");
  
      av_dump_format(ofmt_ctx_v, 0, out_filename_v, 1);
  
      printf("\n==============Output Audio============\n");
  
      av_dump_format(ofmt_ctx_a, 0, out_filename_a, 1);
  
      printf("\n======================================\n");
  
      //Open output file
  
      if (!(ofmt_v->flags & AVFMT_NOFILE)) {
  
          if (avio_open(&ofmt_ctx_v->pb, out_filename_v, AVIO_FLAG_WRITE) < 0) {
  
              printf( "Could not open output file '%s'", out_filename_v);
  
              goto end;
  
          }
  
      }
  
  
  
      if (!(ofmt_a->flags & AVFMT_NOFILE)) {
  
          if (avio_open(&ofmt_ctx_a->pb, out_filename_a, AVIO_FLAG_WRITE) < 0) {
  
              printf( "Could not open output file '%s'", out_filename_a);
  
              goto end;
  
          }
  
      }
  
  
  
      //Write file header
  
      if (avformat_write_header(ofmt_ctx_v, NULL) < 0) {
  
          printf( "Error occurred when opening video output file\n");
  
          goto end;
  
      }
  
  
  
      if (avformat_write_header(ofmt_ctx_a, NULL) < 0) {
  
          printf( "Error occurred when opening audio output file\n");
  
          goto end;
  
      }
  
      system("pause");
  
  #if USE_H264BSF
  
      AVBitStreamFilterContext* h264bsfc =  av_bitstream_filter_init("h264_mp4toannexb"); 
  
  #endif
  
  
  
      while (1) {
  
          AVFormatContext *ofmt_ctx;
  
          AVStream *in_stream, *out_stream;
  
          //Get an AVPacket
  
          if (av_read_frame(ifmt_ctx, &pkt) < 0)
  
              break;
  
          in_stream  = ifmt_ctx->streams[pkt.stream_index];
  
  
  
  
  
          if(pkt.stream_index==videoindex){
  
              out_stream = ofmt_ctx_v->streams[0];
  
              ofmt_ctx=ofmt_ctx_v;
  
              #if USE_H264BSF
  
                  av_bitstream_filter_filter(h264bsfc, in_stream->codec, NULL, &pkt.data, &pkt.size, pkt.data, pkt.size, 0);
  
              #endif
  
              printf("Write Video Packet. size:%d\tpts:%lld\n",pkt.size,pkt.pts);
  
          }else if(pkt.stream_index==audioindex){
  
              out_stream = ofmt_ctx_a->streams[0];
  
              ofmt_ctx=ofmt_ctx_a;
  
              printf("Write Audio Packet. size:%d\tpts:%lld\n",pkt.size,pkt.pts);
  
          }else{
  
              continue;
  
          }
  
  
  
  
  
          //Convert PTS/DTS
  
          pkt.pts = av_rescale_q_rnd(pkt.pts, in_stream->time_base, out_stream->time_base, (AVRounding)(AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX));
  
          pkt.dts = av_rescale_q_rnd(pkt.dts, in_stream->time_base, out_stream->time_base, (AVRounding)(AV_ROUND_NEAR_INF|AV_ROUND_PASS_MINMAX));
  
          pkt.duration = av_rescale_q(pkt.duration, in_stream->time_base, out_stream->time_base);
  
          pkt.pos = -1;
  
          pkt.stream_index=0;
  
          //Write
  
          if (av_interleaved_write_frame(ofmt_ctx, &pkt) < 0) {
  
              printf( "Error muxing packet\n");
  
              break;
  
          }
  
          //printf("Write %8d frames to output file\n", frame_index);
  
          av_free_packet(&pkt);
  
          frame_index++;
  
      }
  
  system("pause");
  
  #if USE_H264BSF
  
      av_bitstream_filter_close(h264bsfc);  
  
  #endif
  
  
  
      //Write file trailer
  
      av_write_trailer(ofmt_ctx_a);
  
      av_write_trailer(ofmt_ctx_v);
  
  end:
  
      avformat_close_input(&ifmt_ctx);
  
      /* close output */
  
      if (ofmt_ctx_a && !(ofmt_a->flags & AVFMT_NOFILE))
  
          avio_close(ofmt_ctx_a->pb);
  
  
  
      if (ofmt_ctx_v && !(ofmt_v->flags & AVFMT_NOFILE))
  
          avio_close(ofmt_ctx_v->pb);
  
  
  
      avformat_free_context(ofmt_ctx_a);
  
      avformat_free_context(ofmt_ctx_v);
  
  
  
      system("pause");
  
      if (ret < 0 && ret != AVERROR_EOF) {
  
          printf( "Error occurred.\n");
  
          return -1;
  
      }
  
  
  
      return 0;
  
  }

  EDIT 1
  After reading through http://lists.libav.org/pipermail/libav-devel/2014-June/060048.html, I figured what was causing the "Using AVStream.codec.time_base as a timebase hint to the muxer is deprecated. Set AVStream.time_base instead". I fixed it by adding out_stream->time_base = in_stream->time_base; before the call to avformat_write_header. The code now runs without any error ! The h264 file created with the old FFMPEG (avcodec-55.dll) works fine while that created by the recent avcodec-57.dll is still invalid.

• how to build ffmpeg with burn text on hls output while maintaining the aspect ratio

  26 février 2016, par Aameer

  My objective is to burn a text(watermark) at a particular time range on the outputed hls video, I also have to change just the height and maintain the aspect ratio which I am able to do but the burning in text part is not working. First the ffmpeg I used is for 14.04 ubuntu, details are here. I don’t think this build supports subtitle (docs) filter which I could have used for my purpose as described here. when i enter ffmpeg into the terminal this is the output

  (ffmpeg)aameer@falcon:~/Documents/projects/ffmpeg$ ffmpeg 
  
  ffmpeg version N-78590-g5590ab4 Copyright (c) 2000-2016 the FFmpeg developers
  
    built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.1)
  
    configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --mandir=/usr/share/man --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb --enable-libpulse --enable-libfreetype --enable-gnutls --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid --enable-libvidstab
  
    libavutil      55. 18.100 / 55. 18.100
  
    libavcodec     57. 24.103 / 57. 24.103
  
    libavformat    57. 25.100 / 57. 25.100
  
    libavdevice    57.  0.101 / 57.  0.101
  
    libavfilter     6. 32.100 /  6. 32.100
  
    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
  
  Hyper fast Audio and Video encoder
  
  usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...
  
  
  
  Use -h to get full help or, even better, run 'man ffmpeg'

  I tried

  (ffmpeg)aameer@falcon:~/Documents/projects/ffmpeg$ ffmpeg -threads 4 -i "input_sintel_trailer_720p.mp4" -profile:v baseline -level 4.0 -vf scale="trunc(360*a/2)*2:360, subtitles='subtitles.srt'"  -start_number 0 -hls_time 10 -hls_list_size 0 -f hls videos/4444/index_4444_360_.m3u8

  and got an error

  [Parsed_subtitles_1 @ 0x2f1b7e0] Shaper: FriBidi 0.19.6 (SIMPLE) HarfBuzz-ng 0.9.27 (COMPLEX)
  
  [Parsed_subtitles_1 @ 0x2f1b7e0] Unable to open subtitles.srt
  
  [AVFilterGraph @ 0x2f1ac00] Error initializing filter 'subtitles' with args 'subtitles.srt'
  
  Error opening filters!

  then I tried this

  (ffmpeg)aameer@falcon:~/Documents/projects/ffmpeg$ ffmpeg -threads 4 -i "input_sintel_trailer_720p.mp4" -profile:v baseline -level 4.0 -vf "scale='trunc(360*a/2)*2:360', drawtext:drawtext"  -start_number 0 -hls_time 10 -hls_list_size 0 -f hls videos/4444/index_4444_360_.m3u8

  based on an answer here and got this error

  [AVFilterGraph @ 0x2695c20] No such filter: 'drawtext:drawtext'
  
  Error opening filters!

  I tried a static build too which i got from here but still couldn’t make it work. with this static build i tried :

  ffmpeg version N-63893-gc69defd Copyright (c) 2000-2014 the FFmpeg developers
  
    built on Jul 16 2014 05:38:01 with gcc 4.6 (Debian 4.6.3-1)
  
    configuration: --prefix=/root/ffmpeg-static/64bit --extra-cflags='-I/root/ffmpeg-static/64bit/include -static' --extra-ldflags='-L/root/ffmpeg-static/64bit/lib -static' --extra-libs='-lxml2 -lexpat -lfreetype' --enable-static --disable-shared --disable-ffserver --disable-doc --enable-bzlib --enable-zlib --enable-postproc --enable-runtime-cpudetect --enable-libx264 --enable-gpl --enable-libtheora --enable-libvorbis --enable-libmp3lame --enable-gray --enable-libass --enable-libfreetype --enable-libopenjpeg --enable-libspeex --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-version3 --enable-libvpx
  
    libavutil      52. 89.100 / 52. 89.100
  
    libavcodec     55. 66.101 / 55. 66.101
  
    libavformat    55. 43.100 / 55. 43.100
  
    libavdevice    55. 13.101 / 55. 13.101
  
    libavfilter     4.  8.100 /  4.  8.100
  
    libswscale      2.  6.100 /  2.  6.100
  
    libswresample   0. 19.100 /  0. 19.100
  
    libpostproc    52.  3.100 / 52.  3.100
  
  Hyper fast Audio and Video encoder
  
  usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] outfile}...
  
  
  
  Use -h to get full help or, even better, run 'man ffmpeg'
  
  
  
  (ffmpeg)aameer@falcon:~/Documents/projects/ffmpeg$ ./ffmpeg -threads 4 -i "input_sintel_trailer_720p.mp4" -profile:v baseline -level 4.0 -vf scale="trunc(360*a/2)*2:360, subtitles='subtitle.srt'"  -start_number 0 -hls_time 10 -hls_list_size 0 -f hls videos/4444/index_4444_360_.m3u8

  but got an error

  Could not write header for output file #0 (incorrect codec parameters ?): No such file or directory

  Any help in this regard would be appreciated. I don’t have much experience with compiling , otherwise would have done with support for libass as mentioned in the documentation here

  console output after trying the first potential answer :

  (ffmpeg)aameer@falcon:~/Documents/projects/ffmpeg$ ls
  
  bbb_sunflower_1080p_30fps_normal.mp4  ffmpeg_log_multiprocess.txt  ffmpeg.static.64bit.latest  input_sintel_trailer_720p.mp4  watermark.png
  
  encoding_script.sh                    ffmpeg_log_simple.txt        ffprobe                     subtitle.srt
  
  ffmpeg                                ffmpeg_log.txt               fontconfig                  videos
  
  (ffmpeg)aameer@falcon:~/Documents/projects/ffmpeg$ ffmpeg -threads 4 -i input_sintel_trailer_720p.mp4 -profile:v baseline -level 4.0 -vf "scale=-2:360,subtitles='subtitle.srt'" -start_number 0 -hls_time 10 -hls_list_size 0 -f hls videos/4444/index_4444_360_.m3u8
  
  ffmpeg version N-78590-g5590ab4 Copyright (c) 2000-2016 the FFmpeg developers
  
    built with gcc 4.8 (Ubuntu 4.8.4-2ubuntu1~14.04.1)
  
    configuration: --extra-libs=-ldl --prefix=/opt/ffmpeg --mandir=/usr/share/man --enable-avresample --disable-debug --enable-nonfree --enable-gpl --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --disable-decoder=amrnb --disable-decoder=amrwb --enable-libpulse --enable-libfreetype --enable-gnutls --enable-libx264 --enable-libx265 --enable-libfdk-aac --enable-libvorbis --enable-libmp3lame --enable-libopus --enable-libvpx --enable-libspeex --enable-libass --enable-avisynth --enable-libsoxr --enable-libxvid --enable-libvidstab
  
    libavutil      55. 18.100 / 55. 18.100
  
    libavcodec     57. 24.103 / 57. 24.103
  
    libavformat    57. 25.100 / 57. 25.100
  
    libavdevice    57.  0.101 / 57.  0.101
  
    libavfilter     6. 32.100 /  6. 32.100
  
    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, mov,mp4,m4a,3gp,3g2,mj2, from 'input_sintel_trailer_720p.mp4':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      creation_time   : 1970-01-01 00:00:00
  
      title           : Sintel Trailer
  
      artist          : Durian Open Movie Team
  
      encoder         : Lavf52.62.0
  
      copyright       : (c) copyright Blender Foundation | durian.blender.org
  
      description     : Trailer for the Sintel open movie project
  
    Duration: 00:00:52.21, start: 0.000000, bitrate: 1165 kb/s
  
      Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720, 1033 kb/s, 24 fps, 24 tbr, 24 tbn, 48 tbc (default)
  
      Metadata:
  
        creation_time   : 1970-01-01 00:00:00
  
        handler_name    : VideoHandler
  
      Stream #0:1(und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 126 kb/s (default)
  
      Metadata:
  
        creation_time   : 1970-01-01 00:00:00
  
        handler_name    : SoundHandler
  
  [Parsed_subtitles_1 @ 0x2bdb700] Shaper: FriBidi 0.19.6 (SIMPLE) HarfBuzz-ng 0.9.27 (COMPLEX)
  
  [Parsed_subtitles_1 @ 0x2bdb700] Using font provider fontconfig
  
  [libx264 @ 0x2bc8b60] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
  
  [libx264 @ 0x2bc8b60] profile Constrained Baseline, level 4.0
  
  Output #0, hls, to 'videos/4444/index_4444_360_.m3u8':
  
    Metadata:
  
      major_brand     : isom
  
      minor_version   : 512
  
      compatible_brands: isomiso2avc1mp41
  
      description     : Trailer for the Sintel open movie project
  
      title           : Sintel Trailer
  
      artist          : Durian Open Movie Team
  
      copyright       : (c) copyright Blender Foundation | durian.blender.org
  
      encoder         : Lavf57.25.100
  
      Stream #0:0(und): Video: h264 (libx264), yuv420p, 640x360, q=-1--1, 24 fps, 24 tbn, 24 tbc (default)
  
      Metadata:
  
        creation_time   : 1970-01-01 00:00:00
  
        handler_name    : VideoHandler
  
        encoder         : Lavc57.24.103 libx264
  
      Side data:
  
        cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
  
      Stream #0:1(und): Audio: aac (LC), 48000 Hz, stereo, fltp, 128 kb/s (default)
  
      Metadata:
  
        creation_time   : 1970-01-01 00:00:00
  
        handler_name    : SoundHandler
  
        encoder         : Lavc57.24.103 aac
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
  
    Stream #0:1 -> #0:1 (aac (native) -> aac (native))
  
  Could not write header for output file #0 (incorrect codec parameters ?): No such file or directory
  
  [aac @ 0x2bc9ac0] Qavg: -nan
  
  (ffmpeg)aameer@falcon:~/Documents/projects/ffmpeg$