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baris atbas  
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 More options Dec 30 2010, 10:49 am
From: baris atbas <barisat...@gmail.com>
Date: Thu, 30 Dec 2010 07:49:28 -0800 (PST)
Local: Thurs, Dec 30 2010 10:49 am
Subject: FFmpeg using with NDK
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Hi everyone,

I have a little knowledege about android ndk.  In my application, I
will use FFmpeg library.

I am able to configure FFmpeg library and create the libffmpeg.so  by
the following link  :

http://androidcore.com/android-programming-tutorials/641-how-to-compi...

In my jni folder, I have ffmpeg library , Android.mk , FFmpegTest.c .

I made some changes in Android.mk after some research about ndk. but I
couldnt compile the test code with ndk. I think Android.mk file is
wrong. here is my android.mk

LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)

LOCAL_MODULE    := ffmpg
LOCAL_SRC_FILES := ffmpegTest.c
LOCAL_LDLIBS := -libffmpeg
include $(BUILD_SHARED_LIBRARY)

I will be so glad, if you give some example codes about android.mk and
ffmpeg. I created the .a and .so files but I couldn't use them. I only
need main Android.mk and test code using ffmpeg library.


 
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alan  
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 More options Dec 31 2010, 4:21 am
From: alan <a...@birtles.org.uk>
Date: Fri, 31 Dec 2010 01:21:12 -0800 (PST)
Local: Fri, Dec 31 2010 4:21 am
Subject: Re: FFmpeg using with NDK
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"I couldnt compile the test code with ndk" isn't very useful, what is
the exact problem you are having? what error messages are displayed

On Dec 30, 3:49 pm, baris atbas <barisat...@gmail.com> wrote:


 
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baris atbas  
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 More options Dec 31 2010, 4:58 am
From: baris atbas <barisat...@gmail.com>
Date: Fri, 31 Dec 2010 01:58:11 -0800 (PST)
Local: Fri, Dec 31 2010 4:58 am
Subject: Re: FFmpeg using with NDK
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baris@ubuntu:~/workspace/FFmpegTest$ /home/baris/ndk/ndk-build
Install        : libffmpeg.so => /home/baris/workspace/FFmpegTest/libs/
armeabi
make: *** No rule to make target `/home/baris/workspace/FFmpegTest/jni/
ffmpeg/libswscale/FFmpegTest.c', needed by `/home/baris/workspace/
FFmpegTest/obj/local/armeabi/objs/ffmpg/FFmpegTest.o'.  Stop.
baris@ubuntu:~/workspace/FFmpegTest$

it is the error. I think ndk is searching my native code in wrong
place.

LOCAL_PATH := $(call my-dir)
include $(all-subdir-makefiles)
include $(CLEAR_VARS)
LOCAL_MODULE    := ffmpg
LOCAL_SRC_FILES := FFmpegTest.c
LOCAL_LDLIBS := -libffmpeg
include $(BUILD_SHARED_LIBRARY)

it is the Android.mk

here is my native code. I found this code in a webpage and configured
according to my project.

#include <ffmpeg/avcodec.h>
#include <ffmpeg/avformat.h>

#include <stdio.h>

void SaveFrame(AVFrame *pFrame, int width, int height, int iFrame) {
  FILE *pFile;
  char szFilename[32];
  int  y;

  // Open file
  sprintf(szFilename, "frame%d.ppm", iFrame);
  pFile=fopen(szFilename, "wb");
  if(pFile==NULL)
    return;

  // Write header
  fprintf(pFile, "P6\n%d %d\n255\n", width, height);

  // Write pixel data
  for(y=0; y<height; y++)
    fwrite(pFrame->data[0]+y*pFrame->linesize[0], 1, width*3, pFile);

  // Close file
  fclose(pFile);

}

jint Java_com_test_Test_decodeVideo(JNIEnv* env, jobject
javaThis,jstring filename) {
  AVFormatContext *pFormatCtx;
  int             i, videoStream;
  AVCodecContext  *pCodecCtx;
  AVCodec         *pCodec;
  AVFrame         *pFrame;
  AVFrame         *pFrameRGB;
  AVPacket        packet;
  int             frameFinished;
  int             numBytes;
  uint8_t         *buffer;

  // Register all formats and codecs
  av_register_all();

  // Open video file
  if(av_open_input_file(&pFormatCtx, filename, NULL, 0, NULL)!=0)
    return -1; // Couldn't open file

  // Retrieve stream information
  if(av_find_stream_info(pFormatCtx)<0)
    return -1; // Couldn't find stream information

  // Dump information about file onto standard error
  dump_format(pFormatCtx, 0, filename, 0);

  // Find the first video stream
  videoStream=-1;
  for(i=0; i<pFormatCtx->nb_streams; i++)
    if(pFormatCtx->streams[i]->codec->codec_type==CODEC_TYPE_VIDEO) {
      videoStream=i;
      break;
    }
  if(videoStream==-1)
    return -1; // Didn't find a video stream

  // Get a pointer to the codec context for the video stream
  pCodecCtx=pFormatCtx->streams[videoStream]->codec;

  // Find the decoder for the video stream
  pCodec=avcodec_find_decoder(pCodecCtx->codec_id);
  if(pCodec==NULL) {
    fprintf(stderr, "Unsupported codec!\n");
    return -1; // Codec not found
  }
  // Open codec
  if(avcodec_open(pCodecCtx, pCodec)<0)
    return -1; // Could not open codec

  // Allocate video frame
  pFrame=avcodec_alloc_frame();

  // Allocate an AVFrame structure
  pFrameRGB=avcodec_alloc_frame();
  if(pFrameRGB==NULL)
    return -1;

  // Determine required buffer size and allocate buffer
  numBytes=avpicture_get_size(PIX_FMT_RGB24, pCodecCtx->width,
                              pCodecCtx->height);
  buffer=(uint8_t *)av_malloc(numBytes*sizeof(uint8_t));

  // Assign appropriate parts of buffer to image planes in pFrameRGB
  // Note that pFrameRGB is an AVFrame, but AVFrame is a superset
  // of AVPicture
  avpicture_fill((AVPicture *)pFrameRGB, buffer, PIX_FMT_RGB24,
                 pCodecCtx->width, pCodecCtx->height);

  // Read frames and save first five frames to disk
  i=0;
  while(av_read_frame(pFormatCtx, &packet)>=0) {
    // Is this a packet from the video stream?
    if(packet.stream_index==videoStream) {
      // Decode video frame
      avcodec_decode_video(pCodecCtx, pFrame, &frameFinished,
                           packet.data, packet.size);

      // Did we get a video frame?
      if(frameFinished) {
        // Convert the image from its native format to RGB
        img_convert((AVPicture *)pFrameRGB, PIX_FMT_RGB24,
                    (AVPicture*)pFrame, pCodecCtx->pix_fmt, pCodecCtx-

>width,

                    pCodecCtx->height);

        // Save the frame to phone memory

         SaveFrame(pFrameRGB, pCodecCtx->width, pCodecCtx->height, ++i);
      }
    }

    // Free the packet that was allocated by av_read_frame
    av_free_packet(&packet);
  }

  // Free the RGB image
  av_free(buffer);
  av_free(pFrameRGB);

  // Free the YUV frame
  av_free(pFrame);

  // Close the codec
  avcodec_close(pCodecCtx);

  // Close the video file
  av_close_input_file(pFormatCtx);

  return 0;

}

On 31 Aralık, 11:21, alan <a...@birtles.org.uk> wrote:


 
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David Turner  
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 More options Dec 31 2010, 5:17 am
From: David Turner <di...@android.com>
Date: Fri, 31 Dec 2010 11:17:35 +0100
Local: Fri, Dec 31 2010 5:17 am
Subject: Re: FFmpeg using with NDK
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Try putting the include all-subdir-makefiles at the end of your Android.mk,
otherwise LOCAL_PATH will be redefined to a different value and your later
module declaration will not find the sources in the correct location.

See the description of the my-dir function in docs/ANDROID-MK.html for more
details


 
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baris atbas  
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 More options Dec 31 2010, 5:30 am
From: baris atbas <barisat...@gmail.com>
Date: Fri, 31 Dec 2010 02:30:39 -0800 (PST)
Local: Fri, Dec 31 2010 5:30 am
Subject: Re: FFmpeg using with NDK
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baris@ubuntu:~/workspace/FFmpegTest$ /home/baris/ndk/ndk-build
make: *** No rule to make target `/FFmpegTest.c', needed by `/home/
baris/workspace/FFmpegTest/obj/local/armeabi/objs/ffmpg/
FFmpegTest.o'.  Stop.

I got this error when I put the include all-subdir-makefiles at the
end of my Android.mk  ...

On 31 Aralık, 12:17, David Turner <di...@android.com> wrote:


 
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David Turner  
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 More options Dec 31 2010, 5:48 am
From: David Turner <di...@android.com>
Date: Fri, 31 Dec 2010 11:48:34 +0100
Local: Fri, Dec 31 2010 5:48 am
Subject: Re: FFmpeg using with NDK
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It looks like your LOCAL_PATH is not defined. Did you keep the "LOCAL_PATH
:= $(call my-dir)" line at the top of your Android.mk ?


 
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baris atbas  
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 More options Dec 31 2010, 5:55 am
From: baris atbas <barisat...@gmail.com>
Date: Fri, 31 Dec 2010 02:55:05 -0800 (PST)
Local: Fri, Dec 31 2010 5:55 am
Subject: Re: FFmpeg using with NDK
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yes, I only changed the location of include all subdir files command.

LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE    := ffmpg
LOCAL_SRC_FILES := FFmpegTest.c
LOCAL_LDLIBS := -libffmpeg
include $(BUILD_SHARED_LIBRARY)
include $(all-subdir-makefiles)

On 31 Aralık, 12:48, David Turner <di...@android.com> wrote:


 
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David Turner  
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 More options Dec 31 2010, 6:26 am
From: David Turner <di...@android.com>
Date: Fri, 31 Dec 2010 12:26:27 +0100
Local: Fri, Dec 31 2010 6:26 am
Subject: Re: FFmpeg using with NDK
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mmm, can you try a "ndk-build clean" first then try to build again. It might
be related to a bad dependency file that was generated on a previous pass.

...

read more »


 
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baris atbas  
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 More options Dec 31 2010, 6:41 am
From: baris atbas <barisat...@gmail.com>
Date: Fri, 31 Dec 2010 03:41:30 -0800 (PST)
Local: Fri, Dec 31 2010 6:41 am
Subject: Re: FFmpeg using with NDK
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I got this errors. Files that compiler couldnt find exist in the
ffmpeg folder.

baris@ubuntu:~/workspace/FFmpegTest$ /home/baris/ndk/ndk-build
Compile thumb  : ffmpg <= /home/baris/workspace/FFmpegTest/jni/
FFmpegTest.c
In file included from /home/baris/workspace/FFmpegTest/jni/
FFmpegTest.c:1:
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:
30:33: error: libavcore/samplefmt.h: No such file or directory
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:
31:30: error: libavutil/avutil.h: No such file or directory
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:
32:27: error: libavutil/cpu.h: No such file or directory
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:
437:36: error: libavcore/audioconvert.h: No such file or directory
In file included from /home/baris/workspace/FFmpegTest/jni/
FFmpegTest.c:1:
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:779:
error: expected specifier-qualifier-list before 'int16_t'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:1048:
error: expected specifier-qualifier-list before 'int64_t'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:1102:
error: expected specifier-qualifier-list before 'uint8_t'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:1117:
error: expected ':', ',', ';', '}' or '__attribute__' before '*' token
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:2801:
error: field 'type' has incomplete type
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:2805:
error: expected declaration specifiers or '...' before 'uint8_t'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:2819:
error: expected ':', ',', ';', '}' or '__attribute__' before '*' token
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:2849:
error: field 'type' has incomplete type
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:2863:
error: field 'pix_fmt' has incomplete type
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:2887:
error: expected ';', ',' or ')' before '*' token
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:2900:
error: expected ';' before 'int'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:2928:
error: expected specifier-qualifier-list before 'uint8_t'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:2955:
error: expected '=', ',', ';', 'asm' or '__attribute__' before
'attribute_deprecated'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3001:
error: expected specifier-qualifier-list before 'uint16_t'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3014:
error: expected '=', ',', ';', 'asm' or '__attribute__' before 'void'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3078:
error: expected '=', ',', ';', 'asm' or '__attribute__' before
'ReSampleContext'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3102:
warning: 'enum AVSampleFormat' declared inside parameter list
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3102:
warning: its scope is only this definition or declaration, which is
probably not what you want
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3181:
error: expected declaration specifiers or '...' before 'uint8_t'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3217:
error: expected '=', ',', ';', 'asm' or '__attribute__' before 'enum'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3234:
error: expected '=', ',', ';', 'asm' or '__attribute__' before
'av_get_codec_tag_string'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3285:
error: expected ')' before 'pix_fmt_mask'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3293:
error: expected '=', ',', ';', 'asm' or '__attribute__' before 'void'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3347:
error: expected '=', ',', ';', 'asm' or '__attribute__' before 'void'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3490:
error: expected '=', ',', ';', 'asm' or '__attribute__' before 'int'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3544:
error: expected '=', ',', ';', 'asm' or '__attribute__' before 'int'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3588:
error: expected declaration specifiers or '...' before 'int16_t'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3606:
error: expected '=', ',', ';', 'asm' or '__attribute__' before 'int'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3659:
error: expected '=', ',', ';', 'asm' or '__attribute__' before 'int'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3691:
error: expected declaration specifiers or '...' before 'uint8_t'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3693:
error: expected declaration specifiers or '...' before 'uint8_t'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3714:
error: expected declaration specifiers or '...' before 'uint8_t'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3729:
error: expected declaration specifiers or '...' before 'uint8_t'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3731:
error: expected declaration specifiers or '...' before 'uint8_t'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3778:
error: expected '=', ',', ';', 'asm' or '__attribute__' before 'int'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3785:
error: expected specifier-qualifier-list before 'int64_t'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3916:
error: expected ';', ',' or ')' before '*' token
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3918:
error: expected ';' before 'void'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3930:
error: expected '=', ',', ';', 'asm' or '__attribute__' before 'int'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3967:
error: expected declaration specifiers or '...' before 'uint8_t'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3968:
error: expected ';', ',' or ')' before '*' token
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3974:
error: expected declaration specifiers or '...' before 'uint8_t'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3975:
error: expected ';', ',' or ')' before '*' token
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3992:
error: expected declaration specifiers or '...' before 'uint8_t'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3993:
error: expected ';', ',' or ')' before '*' token
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3994:
error: expected ';' before 'void'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:4002:
error: expected declaration specifiers or '...' before 'uint8_t'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:4003:
error: expected ';', ',' or ')' before '*' token
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:4036:
error: expected '=', ',', ';', 'asm' or '__attribute__' before 'void'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:4074:
error: expected '=', ',', ';', 'asm' or '__attribute__' before 'int'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:4081:
error: expected '=', ',', ';', 'asm' or '__attribute__' before 'int'
In file included from /home/baris/workspace/FFmpegTest/jni/
FFmpegTest.c:2:
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavformat/avformat.h:
106:32: error: libavcodec/avcodec.h: No such file or directory
In file included from /home/baris/workspace/FFmpegTest/jni/ffmpeg/
libavformat/avformat.h:108,
                 from /home/baris/workspace/FFmpegTest/jni/
FFmpegTest.c:2:
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavformat/avio.h:33:30:
error: libavutil/common.h: No such file or directory
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavformat/avio.h:34:27:
error: libavutil/log.h: No such file or directory
In file included from /home/baris/workspace/FFmpegTest/jni/ffmpeg/
libavformat/avformat.h:108,
                 from /home/baris/workspace/FFmpegTest/jni/
FFmpegTest.c:2:
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavformat/avio.h:273:
error: expected ':', ',', ';', '}' or '__attribute__' before '*' token
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavformat/avio.h:293:
error: expected '=', ',', ';', 'asm' or '__attribute__' before 'int'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavformat/avio.h:298:
error: expected '=', ',', ';', 'asm' or '__attribute__' before 'int'
In file included from /home/baris/workspace/FFmpegTest/jni/
FFmpegTest.c:2:
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavformat/avformat.h:
206: error: expected '=', ',', ';', 'asm' or '__attribute__' before
'int'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavformat/avformat.h:
225: error: expected '=', ',', ';', 'asm' or '__attribute__' before
'void'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavformat/avformat.h:
293: error: expected specifier-qualifier-list before 'AVRational'
In file included from /home/baris/workspace/FFmpegTest/jni/
FFmpegTest.c:2:
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavformat/avformat.h:
436: error: expected specifier-qualifier-list before
'attribute_deprecated'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavformat/avformat.h:
543: error: expected specifier-qualifier-list before 'AVRational'
/home/baris/workspace/FFmpegTest/jni/ffmpeg/libavformat/avformat.h:
694: error: expected specifier-qualifier-list before ...

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David Turner  
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 More options Dec 31 2010, 6:43 am
From: David Turner <di...@android.com>
Date: Fri, 31 Dec 2010 12:43:46 +0100
Local: Fri, Dec 31 2010 6:43 am
Subject: Re: FFmpeg using with NDK
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By default, source files will be searched under $(LOCAL_PATH), so if you
have files elsewhere, you should set LOCAL_C_INCLUDES to point to the
corresponding directory.

If these are part of an imported module, consider using
LOCAL_EXPORT_C_INCLUDES when declaring the module itself so that other
modules that use it have the corresponding paths added to their own
LOCAL_C_INCLUDES automatically.

...

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baris atbas  
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 More options Dec 31 2010, 6:56 am
From: baris atbas <barisat...@gmail.com>
Date: Fri, 31 Dec 2010 03:56:41 -0800 (PST)
Local: Fri, Dec 31 2010 6:56 am
Subject: Re: FFmpeg using with NDK
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I changed the Android.mk like that :

LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE    := ffmpg
LOCAL_SRC_FILES := FFmpegTest.c
LOCAL_LDLIBS := -libffmpeg
LOCAL_C_INCLUDES := $(LOCAL_PATH)/ffmpeg/
include $(BUILD_SHARED_LIBRARY)
include $(all-subdir-makefiles)

but still there are errors.
baris@ubuntu:~/workspace/FFmpegTest$ /home/baris/ndk/ndk-build
Compile thumb  : ffmpg <= /home/baris/workspace/FFmpegTest/jni/
FFmpegTest.c
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c: In function
'Java_com_test_Test_decodeVideo':
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:103: warning:
'avcodec_decode_video' is deprecated (declared at /home/baris/
workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3606)
SharedLibrary  : libffmpg.so
/home/baris/ndk/build/prebuilt/linux-x86/arm-eabi-4.4.0/bin/../lib/gcc/
arm-eabi/4.4.0/../../../../arm-eabi/bin/ld: cannot find -libffmpeg
collect2: ld returned 1 exit status
make: *** [/home/baris/workspace/FFmpegTest/obj/local/armeabi/
libffmpg.so] Error 1

On 31 Aralık, 13:43, David Turner <di...@android.com> wrote:

...

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Udayakumar Rayala  
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 More options Dec 31 2010, 7:41 am
From: Udayakumar Rayala <uday.ray...@gmail.com>
Date: Fri, 31 Dec 2010 18:11:08 +0530
Local: Fri, Dec 31 2010 7:41 am
Subject: Re: FFmpeg using with NDK
Print | Individual message | Show original | Report this message | Find messages by this author

You would have to specify LOCAL_SHARED_LIBRARIES parameter instead of
LOCAL_LDLIBS.

LOCAL_SHARED_LIBRARIES := ffmpeg

Assuming that in the sub directories, you are building a shared library with
module name ffmpeg (as mentioned in
http://androidcore.com/android-programming-tutorials/641-how-to-compi...
).

Below is an example of Android.mk, i have done in one my projects:

======================================================================
MY_LOCAL_PATH := $(call my-dir)
include $(MY_LOCAL_PATH)/ffmpeg/FFMpeg.mk

LOCAL_PATH :=$(MY_LOCAL_PATH)
include $(CLEAR_VARS)
LOCAL_MODULE    := takepics
LOCAL_SRC_FILES := takepics.c
LOCAL_C_INCLUDES := $(MY_LOCAL_PATH) $(MY_LOCAL_PATH)/ffmpeg
LOCAL_SHARED_LIBRARIES := ffmpeg
LOCAL_LDLIBS += -lz -llog
include $(BUILD_SHARED_LIBRARY)
======================================================================

- Uday.

...

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baris atbas  
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 More options Dec 31 2010, 10:54 am
From: baris atbas <barisat...@gmail.com>
Date: Fri, 31 Dec 2010 07:54:25 -0800 (PST)
Local: Fri, Dec 31 2010 10:54 am
Subject: Re: FFmpeg using with NDK
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I added the local shared lib statement but there are still errors :

baris@ubuntu:~/workspace/FFmpegTest$ /home/baris/ndk/ndk-build
Compile thumb  : ffmpg <= /home/baris/workspace/FFmpegTest/jni/
FFmpegTest.c
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c: In function
'Java_com_test_Test_decodeVideo':
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:104: warning:
'avcodec_decode_video' is deprecated (declared at /home/baris/
workspace/FFmpegTest/jni/ffmpeg/libavcodec/avcodec.h:3606)
SharedLibrary  : libffmpg.so
/home/baris/workspace/FFmpegTest/obj/local/armeabi/objs/ffmpg/
FFmpegTest.o: In function `Java_com_test_Test_decodeVideo':
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:43: undefined
reference to `av_register_all'
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:46: undefined
reference to `av_open_input_file'
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:50: undefined
reference to `av_find_stream_info'
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:54: undefined
reference to `dump_format'
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:70: undefined
reference to `avcodec_find_decoder'
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:76: undefined
reference to `avcodec_open'
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:80: undefined
reference to `avcodec_alloc_frame'
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:83: undefined
reference to `avcodec_alloc_frame'
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:88: undefined
reference to `avpicture_get_size'
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:90: undefined
reference to `av_malloc'
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:95: undefined
reference to `avpicture_fill'
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:121: undefined
reference to `av_free_packet'
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:100: undefined
reference to `av_read_frame'
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:125: undefined
reference to `av_free'
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:126: undefined
reference to `av_free'
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:129: undefined
reference to `av_free'
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:132: undefined
reference to `avcodec_close'
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:135: undefined
reference to `av_close_input_file'
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:104: undefined
reference to `avcodec_decode_video'
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:110: undefined
reference to `img_convert'
collect2: ld returned 1 exit status
make: *** [/home/baris/workspace/FFmpegTest/obj/local/armeabi/
libffmpg.so] Error 1

here is my last Android.mk

LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
# Here we give our module name and source file(s)
LOCAL_MODULE    := ffmpg
LOCAL_SRC_FILES := FFmpegTest.c
LOCAL_SHARED_LIBRARIES := ffmpeg
LOCAL_C_INCLUDES := $(LOCAL_PATH)/ffmpeg/
LOCAL_LDLIBS += -lz -llog
include $(BUILD_SHARED_LIBRARY)
include $(all-subdir-makefiles)

On 31 Aralık, 14:41, Udayakumar Rayala <uday.ray...@gmail.com> wrote:

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Udayakumar Rayala  
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 More options Dec 31 2010, 8:52 pm
From: Udayakumar Rayala <uday.ray...@gmail.com>
Date: Sat, 1 Jan 2011 07:22:46 +0530
Local: Fri, Dec 31 2010 8:52 pm
Subject: Re: FFmpeg using with NDK
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Try ndk-build with V=1 command line option. This will show the exact command
executed to compile.

Most probably, the LOCAL_C_INCLUDES might not have been set properly. That
is the reason why i had to create a variable called MY_LOCAL_PATH.

Try the following build file. If this doesnt work post the log file from
this command *~/workspace/FFmpegTest$ /home/baris/ndk/ndk-build V=1*

> MY_LOCAL_PATH := $(call my-dir)
> LOCAL_PATH :=$(MY_LOCAL_PATH)

include $(CLEAR_VARS)
# Here we give our module name and source file(s)
LOCAL_MODULE    := ffmpg
LOCAL_SRC_FILES := FFmpegTest.c
LOCAL_SHARED_LIBRARIES := ffmpeg
LOCAL_C_INCLUDES := $(MY_LOCAL_PATH)/ffmpeg/
LOCAL_LDLIBS += -lz -llog
include $(BUILD_SHARED_LIBRARY)
include $(all-subdir-makefiles)

...

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baris atbas  
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 More options Jan 1 2011, 3:43 am
From: baris atbas <barisat...@gmail.com>
Date: Sat, 1 Jan 2011 00:43:51 -0800 (PST)
Local: Sat, Jan 1 2011 3:43 am
Subject: Re: FFmpeg using with NDK
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I optimized my ffmpeg test code to understand where is the error:

#include <ffmpeg/libavcodec/avcodec.h>
#include <ffmpeg/libavformat/avformat.h>
#include <jni.h>
#include <stdio.h>

jint Java_com_test_Test_decodeVideo(JNIEnv* env, jobject
javaThis,jstring filename) {
  AVFormatContext *pFormatCtx;
  av_register_all();
  if(av_open_input_file(&pFormatCtx, filename, NULL, 0, NULL)!=0)
    return -1; // Couldn't open file
  return 0;

}

and also change the android.mk according to your comments then ndk-
build V=1   ,it is the log file :

baris@ubuntu:~/workspace/FFmpegTest$ /home/baris/ndk/ndk-build V=1
rm -f /home/baris/workspace/FFmpegTest/libs/armeabi/lib*.so /home/
baris/workspace/FFmpegTest/libs/armeabi-v7a/lib*.so /home/baris/
workspace/FFmpegTest/libs/x86/lib*.so
rm -f /home/baris/workspace/FFmpegTest/libs/armeabi/gdbserver /home/
baris/workspace/FFmpegTest/libs/armeabi-v7a/gdbserver /home/baris/
workspace/FFmpegTest/libs/x86/gdbserver
rm -f /home/baris/workspace/FFmpegTest/libs/armeabi/gdb.setup /home/
baris/workspace/FFmpegTest/libs/armeabi-v7a/gdb.setup /home/baris/
workspace/FFmpegTest/libs/x86/gdb.setup
Compile thumb  : ffmpg <= /home/baris/workspace/FFmpegTest/jni/
FFmpegTest.c
/home/baris/ndk/build/prebuilt/linux-x86/arm-eabi-4.4.0/bin/arm-eabi-
gcc -I/home/baris/ndk/build/platforms/android-8/arch-arm/usr/include -
fpic -mthumb-interwork -ffunction-sections -funwind-tables -fstack-
protector -fno-short-enums -D__ARM_ARCH_5__ -D__ARM_ARCH_5T__ -
D__ARM_ARCH_5E__ -D__ARM_ARCH_5TE__  -Wno-psabi -march=armv5te -
mtune=xscale -msoft-float -mthumb -Os -fomit-frame-pointer -fno-strict-
aliasing -finline-limit=64 -I/home/baris/workspace/FFmpegTest/jni/
ffmpeg/ -I/home/baris/workspace/FFmpegTest/jni -DANDROID  -Wa,--
noexecstack -O2 -DNDEBUG -g -c -MMD -MP -MF /home/baris/workspace/
FFmpegTest/obj/local/armeabi/objs/ffmpg/FFmpegTest.o.d /home/baris/
workspace/FFmpegTest/jni/FFmpegTest.c -o /home/baris/workspace/
FFmpegTest/obj/local/armeabi/objs/ffmpg/FFmpegTest.o
SharedLibrary  : libffmpg.so
/home/baris/ndk/build/prebuilt/linux-x86/arm-eabi-4.4.0/bin/arm-eabi-
gcc -nostdlib -Wl,-soname,libffmpg.so -Wl,-shared,-Bsymbolic  /home/
baris/workspace/FFmpegTest/obj/local/armeabi/objs/ffmpg/FFmpegTest.o -
Wl,--whole-archive  -Wl,--no-whole-archive  /home/baris/ndk/build/
prebuilt/linux-x86/arm-eabi-4.4.0/bin/../lib/gcc/arm-eabi/4.4.0/
libgcc.a /home/baris/workspace/FFmpegTest/obj/local/armeabi/
libffmpeg.so /home/baris/ndk/build/platforms/android-8/arch-arm/usr/
lib/libc.so /home/baris/ndk/build/platforms/android-8/arch-arm/usr/lib/
libstdc++.so /home/baris/ndk/build/platforms/android-8/arch-arm/usr/
lib/libm.so    -Wl,--no-undefined -Wl,-z,noexecstack -L/home/baris/ndk/
build/platforms/android-8/arch-arm/usr/lib  -lz -llog -Wl,-rpath-link=/
home/baris/ndk/build/platforms/android-8/arch-arm/usr/lib -o /home/
baris/workspace/FFmpegTest/obj/local/armeabi/libffmpg.so
/home/baris/workspace/FFmpegTest/obj/local/armeabi/objs/ffmpg/
FFmpegTest.o: In function `Java_com_test_Test_decodeVideo':
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:17: undefined
reference to `av_register_all'
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:19: undefined
reference to `av_open_input_file'
collect2: ld returned 1 exit status
make: *** [/home/baris/workspace/FFmpegTest/obj/local/armeabi/
libffmpg.so] Error 1

On 1 Ocak, 03:52, Udayakumar Rayala <uday.ray...@gmail.com> wrote:

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Udayakumar Rayala  
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 More options Jan 1 2011, 5:23 am
From: Udayakumar Rayala <uday.ray...@gmail.com>
Date: Sat, 1 Jan 2011 15:53:45 +0530
Local: Sat, Jan 1 2011 5:23 am
Subject: Re: FFmpeg using with NDK
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I tried modifying my Android.mk file to include $(all-subdir-makefiles) at
the end of the file but it didnt work. I had to add it before my module
definition. I am surprised it worked for you.

I usually delete obj and libs folders before doing ndk-build or use -B
option with ndk-build so that it doesnt use the files from the previous
compile. I see from your log output that libffmpeg is not build in this run.
Does your Android.mk files look exactly the one which are posted in the
previous link?

- Uday,

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baris atbas  
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 More options Jan 1 2011, 6:05 am
From: baris atbas <barisat...@gmail.com>
Date: Sat, 1 Jan 2011 03:05:15 -0800 (PST)
Local: Sat, Jan 1 2011 6:05 am
Subject: Re: FFmpeg using with NDK
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I tried to change my android.mk like yours. and it looks like that :

MY_LOCAL_PATH := $(call my-dir)
include $(MY_LOCAL_PATH)/ffmpeg/Android.mk
LOCAL_PATH := $(MY_LOCAL_PATH)
include $(CLEAR_VARS)
# Here we give our module name and source file(s)
LOCAL_MODULE    := ffmpg
LOCAL_SRC_FILES := FFmpegTest.c
LOCAL_SHARED_LIBRARIES := ffmpeg
LOCAL_C_INCLUDES := $(MY_LOCAL_PATH)/ffmpeg/
LOCAL_LDLIBS += -lz -llog
include $(BUILD_SHARED_LIBRARY)

then ndk-build command :

....
Compile thumb  : swscale <= utils.c
Compile thumb  : swscale <= yuv2rgb.c
StaticLibrary  : libswscale.a
SharedLibrary  : libffmpeg.so
Install        : libffmpeg.so => libs/armeabi/libffmpeg.so
SharedLibrary  : libffmpg.so
/home/baris/workspace/FFmpegTest/obj/local/armeabi/objs/ffmpg/
FFmpegTest.o: In function `Java_com_test_Test_decodeVideo':
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:17: undefined
reference to `av_register_all'
/home/baris/workspace/FFmpegTest/jni/FFmpegTest.c:19: undefined
reference to `av_open_input_file'
collect2: ld returned 1 exit status
make: *** [/home/baris/workspace/FFmpegTest/obj/local/armeabi/
libffmpg.so] Error 1

same error occured. maybe in native function I dont use ffmpeg
correctly. and last time I post you include all subdir makefiles
command is at the end of the android.mk

On 1 Ocak, 12:23, Udayakumar Rayala <uday.ray...@gmail.com> wrote:

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baris atbas  
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 More options Jan 1 2011, 4:41 pm
From: baris atbas <barisat...@gmail.com>
Date: Sat, 1 Jan 2011 13:41:30 -0800 (PST)
Local: Sat, Jan 1 2011 4:41 pm
Subject: Re: FFmpeg using with NDK
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Thanks to your useful comments, Problem is solved :)

On 1 Ocak, 13:05, baris atbas <barisat...@gmail.com> wrote:

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soulseek  
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 More options Jan 5 2011, 3:35 am
From: soulseek <markus.brou...@gmail.com>
Date: Wed, 5 Jan 2011 00:35:34 -0800 (PST)
Local: Wed, Jan 5 2011 3:35 am
Subject: Re: FFmpeg using with NDK
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Could you please post your Android.mk file how it looks like now?
Because I have a the same problem and don`t know how to fix it. I
tried out to take your makefile from the post before but I also get
always the "undefined reference" errors.

For further information, I also followed the tutorial from your 1st
post.

My C-file looks like:
=========================================================================== =============
#include <jni.h>
#include <string.h>
#include <stdlib.h>
#include <android/log.h>
#include "libavformat/avformat.h"

void Java_mercedes_ui_Main_helloLog(JNIEnv * env, jobject this,
jstring file)
{
  jboolean isCopy;
  char * mediaFile = (*env)->GetStringUTFChars(env, file, &isCopy);

  AVFormatContext *format_ctx;
  av_register_all();
  if (av_open_input_file(&format_ctx, mediaFile, NULL, 0, NULL) < 0) {
      printf ("Cannot open file %s\n", mediaFile);
      exit(1);
  }

  dump_format(format_ctx, 0, mediaFile, 0);
  AVMetadataTag *tag = NULL;
  while ((tag=av_metadata_get(format_ctx->metadata, "", tag,
AV_METADATA_IGNORE_SUFFIX)))
    __android_log_print(ANDROID_LOG_INFO, tag->key, tag->value);

  (*env)->ReleaseStringUTFChars(env, file, mediaFile);

}

=========================================================================== =============
And my Android.mk
=========================================================================== =============
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_C_INCLUDES := $(LOCAL_PATH)/ffmpeg/
LOCAL_LDLIBS := -L /media/Linux/SW_Projekt/AndroidCarStreamer/obj/
local/armeabi -lffmpeg -llog
LOCAL_STATIC_LIBRARIES += avformat avcodec avutil postproc swscale
LOCAL_MODULE    := mediaServer
LOCAL_SRC_FILES := idTagReader.c
include $(BUILD_SHARED_LIBRARY)
=========================================================================== =============

Thanks in advance!

On Jan 1, 4:41 pm, baris atbas <barisat...@gmail.com> wrote:

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Udayakumar Rayala  
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 More options Jan 5 2011, 9:21 pm
From: Udayakumar Rayala <uday.ray...@gmail.com>
Date: Thu, 6 Jan 2011 07:51:38 +0530
Local: Wed, Jan 5 2011 9:21 pm
Subject: Re: FFmpeg using with NDK
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Did you pre-build ffmpeg and using it as a library? If that is the case,
then you dont need to specify LOCAL_STATIC_LIBRARIES.

You can follow the below step as a starting point and then modify as you
want:

1. Place ffmpeg in jni folder. and follow the steps in How to compile
ffmpeg<http://androidcore.com/android-programming-tutorials/641-how-to-compi...>
<http://androidcore.com/android-programming-tutorials/641-how-to-compi...>2.
Place idTagReader.c in jni folder outside ffmpeg.
3. Add the following Android.mk file.

MY_LOCAL_PATH := $(call my-dir)
include $(all-subdir-makefiles)
LOCAL_PATH :=$(MY_LOCAL_PATH)
include $(CLEAR_VARS)
LOCAL_MODULE    := mediaServer
LOCAL_SRC_FILES := idTagReader.c
LOCAL_C_INCLUDES := $(MY_LOCAL_PATH) $(MY_LOCAL_PATH)/ffmpeg
LOCAL_SHARED_LIBRARIES := ffmpeg
LOCAL_LDLIBS += -lz -llog
include $(BUILD_SHARED_LIBRARY)

4. Add the following Application.mk file.

APP_MODULES      := ffmpeg mediaServer

5. Compile with ndk-build. It will generate 2 shared libraries libffmpeg.so
and libmediaServer.so.

If you are still getting the errors, post the output of ndk-build with V=1
command line option.

- Uday.

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soulseek  
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 More options Jan 10 2011, 4:14 am
From: soulseek <markus.brou...@gmail.com>
Date: Mon, 10 Jan 2011 01:14:43 -0800 (PST)
Local: Mon, Jan 10 2011 4:14 am
Subject: Re: FFmpeg using with NDK
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Thank very much for your help! But I still get the same error
messages. But I found out that when I download
http://rockplayer.freecoder.org/download/rockplayer_ffmpeg.zip,
extract it into the ffmpeg folder in the jni folder and take your make
files, than everything compiles fin :-) So thanks again!

P.S.: This is my output with errors:

[soulseek@sabayon] ffmpeg $ ndk-build V=1
rm -f /media/Linux/SW_Projekt/AndroidCarStreamer/libs/armeabi/lib*.so /
media/Linux/SW_Projekt/AndroidCarStreamer/libs/armeabi-v7a/lib*.so /
media/Linux/SW_Projekt/AndroidCarStreamer/libs/x86/lib*.so
rm -f /media/Linux/SW_Projekt/AndroidCarStreamer/libs/armeabi/
gdbserver /media/Linux/SW_Projekt/AndroidCarStreamer/libs/armeabi-v7a/
gdbserver /media/Linux/SW_Projekt/AndroidCarStreamer/libs/x86/
gdbserver
rm -f /media/Linux/SW_Projekt/AndroidCarStreamer/libs/armeabi/
gdb.setup /media/Linux/SW_Projekt/AndroidCarStreamer/libs/armeabi-v7a/
gdb.setup /media/Linux/SW_Projekt/AndroidCarStreamer/libs/x86/
gdb.setup
Gdbserver      : [arm-linux-androideabi-4.4.3] libs/armeabi/gdbserver
mkdir -p /media/Linux/SW_Projekt/AndroidCarStreamer/libs/armeabi
install -p /media/Linux/SW_Projekt/android_ndk_linux/toolchains/arm-
linux-androideabi-4.4.3/prebuilt/gdbserver /media/Linux/SW_Projekt/
AndroidCarStreamer/libs/armeabi/gdbserver
Gdbsetup       : libs/armeabi/gdb.setup
echo "set solib-search-path /media/Linux/SW_Projekt/AndroidCarStreamer/
obj/local/armeabi" > /media/Linux/SW_Projekt/AndroidCarStreamer/libs/
armeabi/gdb.setup
echo "directory /media/Linux/SW_Projekt/android_ndk_linux/platforms/
android-8/arch-arm/usr/include /media/Linux/SW_Projekt/
AndroidCarStreamer/jni/ffmpeg/libavcodec /media/Linux/SW_Projekt/
AndroidCarStreamer/jni/ffmpeg/libavcodec/.. /media/Linux/SW_Projekt/
AndroidCarStreamer/jni/ffmpeg/libavcore /media/Linux/SW_Projekt/
AndroidCarStreamer/jni/ffmpeg/libavcore/.. /media/Linux/SW_Projekt/
AndroidCarStreamer/jni/ffmpeg/libavfilter /media/Linux/SW_Projekt/
AndroidCarStreamer/jni/ffmpeg/libavfilter/.. /media/Linux/SW_Projekt/
AndroidCarStreamer/jni/ffmpeg/libavformat /media/Linux/SW_Projekt/
AndroidCarStreamer/jni/ffmpeg/libavformat/.. /media/Linux/SW_Projekt/
AndroidCarStreamer/jni/ffmpeg/libavutil /media/Linux/SW_Projekt/
AndroidCarStreamer/jni/ffmpeg/libavutil/.. /media/Linux/SW_Projekt/
AndroidCarStreamer/jni/ffmpeg /media/Linux/SW_Projekt/
AndroidCarStreamer/jni /media/Linux/SW_Projekt/AndroidCarStreamer/jni/
ffmpeg/libpostproc /media/Linux/SW_Projekt/AndroidCarStreamer/jni/
ffmpeg/libpostproc/.. /media/Linux/SW_Projekt/android_ndk_linux/
sources/cxx-stl/system" >> /media/Linux/SW_Projekt/AndroidCarStreamer/
libs/armeabi/gdb.setup
Install        : libffmpeg.so => libs/armeabi/libffmpeg.so
mkdir -p /media/Linux/SW_Projekt/AndroidCarStreamer/libs/armeabi
install -p /media/Linux/SW_Projekt/AndroidCarStreamer/obj/local/
armeabi/libffmpeg.so /media/Linux/SW_Projekt/AndroidCarStreamer/libs/
armeabi/libffmpeg.so
/media/Linux/SW_Projekt/android_ndk_linux/toolchains/arm-linux-
androideabi-4.4.3/prebuilt/linux-x86/bin/arm-linux-androideabi-strip --
strip-unneeded  /media/Linux/SW_Projekt/AndroidCarStreamer/libs/
armeabi/libffmpeg.so
SharedLibrary  : libmediaServer.so
/media/Linux/SW_Projekt/android_ndk_linux/toolchains/arm-linux-
androideabi-4.4.3/prebuilt/linux-x86/bin/arm-linux-androideabi-g++ -
Wl,-soname,libmediaServer.so -shared --sysroot=/media/Linux/SW_Projekt/
android_ndk_linux/platforms/android-8/arch-arm   /media/Linux/
SW_Projekt/AndroidCarStreamer/obj/local/armeabi/objs-debug/mediaServer/
idTagReader.o    /media/Linux/SW_Projekt/AndroidCarStreamer/obj/local/
armeabi/libffmpeg.so /media/Linux/SW_Projekt/android_ndk_linux/
platforms/android-8/arch-arm/usr/lib/libc.so /media/Linux/SW_Projekt/
android_ndk_linux/platforms/android-8/arch-arm/usr/lib/libstdc++.so /
media/Linux/SW_Projekt/android_ndk_linux/platforms/android-8/arch-arm/
usr/lib/libm.so   -Wl,--no-undefined -Wl,-z,noexecstack -L/media/Linux/
SW_Projekt/android_ndk_linux/platforms/android-8/arch-arm/usr/lib -lz -
llog -Wl,-rpath-link=/media/Linux/SW_Projekt/android_ndk_linux/
platforms/android-8/arch-arm/usr/lib -lsupc++ -o /media/Linux/
SW_Projekt/AndroidCarStreamer/obj/local/armeabi/libmediaServer.so
/media/Linux/SW_Projekt/AndroidCarStreamer/obj/local/armeabi/objs-
debug/mediaServer/idTagReader.o: In function
`Java_mercedes_ui_Main_helloLog':
/media/Linux/SW_Projekt/AndroidCarStreamer/jni/idTagReader.c:16:
undefined reference to `av_register_all'
/media/Linux/SW_Projekt/AndroidCarStreamer/jni/idTagReader.c:18:
undefined reference to `av_open_input_file'
/media/Linux/SW_Projekt/AndroidCarStreamer/jni/idTagReader.c:24:
undefined reference to `dump_format'
/media/Linux/SW_Projekt/AndroidCarStreamer/jni/idTagReader.c:27:
undefined reference to `av_metadata_get'
collect2: ld returned 1 exit status
make: *** [/media/Linux/SW_Projekt/AndroidCarStreamer/obj/local/
armeabi/libmediaServer.so] Error 1

On 5 Jan., 21:21, Udayakumar Rayala <uday.ray...@gmail.com> wrote:

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Nikhil Dhavale  
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 More options Feb 4 2011, 6:11 am
From: Nikhil Dhavale <nikhildhavale...@gmail.com>
Date: Fri, 4 Feb 2011 03:11:38 -0800 (PST)
Local: Fri, Feb 4 2011 6:11 am
Subject: Re: FFmpeg using with NDK
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I am trying similar type of library usage. But I get following issue.
/cygdrive/e/Android/FFMppegg/jni/Android.mk:3: /cygdrive/e/Android/
FFMppegg/jni/
ffmpeg/Android.mk: No such file or directory
make: *** No rule to make target `/cygdrive/e/Android/FFMppegg/jni/
ffmpeg/Androi
d.mk'.  Stop.
Implying something is wrong with Android.mk file. Can you please help.
Nikhil Dhavale

On Jan 2, 2:41 am, baris atbas <barisat...@gmail.com> wrote:

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soulseek  
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 More options Feb 4 2011, 6:21 am
From: soulseek <markus.brou...@gmail.com>
Date: Fri, 4 Feb 2011 03:21:43 -0800 (PST)
Local: Fri, Feb 4 2011 6:21 am
Subject: Re: FFmpeg using with NDK
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Can you pleas post your /cygdrive/e/Android/FFMppegg/jni/Android.mk
and `/cygdrive/e/Android/FFMppegg/jni/ffmpeg/Android.mk' files?
and is this file `/cygdrive/e/Android/FFMppegg/jni/ffmpeg/Android.mk'
in the ffmpeg folder? Because I had sometimes this message "No rule to
make target" when the file I wanted to include was missing ;-)

On 4 Feb., 12:11, Nikhil Dhavale <nikhildhavale...@gmail.com> wrote:

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Udayakumar Rayala  
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 More options Feb 4 2011, 9:05 am
From: Udayakumar Rayala <uday.ray...@gmail.com>
Date: Fri, 4 Feb 2011 19:35:14 +0530
Local: Fri, Feb 4 2011 9:05 am
Subject: Re: FFmpeg using with NDK
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I have attached the Android.mk files.

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  jni.zip
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soulseek  
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 More options Feb 5 2011, 6:47 am
From: soulseek <markus.brou...@gmail.com>
Date: Sat, 5 Feb 2011 03:47:56 -0800 (PST)
Local: Sat, Feb 5 2011 6:47 am
Subject: Re: FFmpeg using with NDK
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Could you also upload your ffmpeg folder with all files somewhere
please? Because, I cant replicate your error. I have to delete the
cmdutils.c from the local source files in the jni/ffmpeg/Android.mk
because I have no version.h and when I use my config.sh I get some
other errors (like: error: expected ';', ',' or ')' before 'v1' but I
think it has to do with my config.sh script)

But it starts to compile as you can see:

jni $ ndk-build
Gdbserver      : [arm-linux-androideabi-4.4.3] libs/armeabi/gdbserver
Gdbsetup       : libs/armeabi/gdb.setup
Compile thumb  : ffmpeg <= ffmpeg.c
./jni/ffmpeg/ffmpeg.c: In function 'do_video_out':
./jni/ffmpeg/ffmpeg.c:1085: warning: passing argument 2 of 'sws_scale'
from incompatible pointer type
./jni/ffmpeg/libswscale/swscale.h:195: note: expected 'const uint8_t *
const*' but argument is of type 'uint8_t **'
Compile thumb  : avformat <= 4xm.c
Compile thumb  : avformat <= adtsenc.c
.
.
.

On 4 Feb., 09:05, Udayakumar Rayala <uday.ray...@gmail.com> wrote:

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