here is the output of image.png

# ./ffmpeg -i /sdcard/image.png
ffmpeg version 0.9, Copyright (c) 2000-2011 the FFmpeg developers
  built on Jun 12 2012 20:43:50 with gcc 4.4.3
  configuration: --enable-cross-compile --arch=arm --cpu=cortex-a8 --target-os=linux --enable-runtime-cpudetect --prefix=/data/data/org.witness.sscvideoproto --enable-pic --disable-shared --enable-static --cross-prefix=/home/n8fr8/dev/android/ndk/toolchains/arm-linux-androideabi-4.4.3/prebuilt/linux-x86/bin/arm-linux-androideabi- --sysroot=/home/n8fr8/dev/android/ndk/platforms/android-3/arch-arm --enable-version3 --enable-gpl --enable-small --enable-memalign-hack --disable-yasm --disable-doc --enable-decoder=mjpeg --enable-decoder=rawvideo --enable-encoder=libx264 --enable-muxer=mp4 --enable-demuxer=image2 --enable-demuxer=mjpeg --enable-demuxer=mp4 --enable-demuxer=mov --enable-parser=mjpeg --enable-filter=buffer --enable-filter=buffersink --enable-filter=drawbox --enable-filter=overlay --enable-filter=redact --enable-protocol=file --enable-ffmpeg --disable-ffplay --disable-ffprobe --disable-ffserver --disable-network --enable-libx264 --enable-zlib --extra-cflags=-I../x264 --extra-ldflags=-L../x264 --disabl  libavutil    51. 32. 0 / 51. 32. 0
  libavcodec   53. 42. 0 / 53. 42. 0
  libavformat  53. 24. 0 / 53. 24. 0
  libavfilter   2. 53. 0 /  2. 53. 0
  libswscale    2.  1. 0 /  2.  1. 0
  libpostproc  51.  2. 0 / 51.  2. 0
/sdcard/image.png: No such file or directory


here is the output of my overlay command

# ffmpeg -i 41.mp4 -vf "movie=image.png [movie]; [in] [movie] overlay=0:0 [out]" -vcodec libx264 -acodec copy out.mp4
ffmpeg version 0.9, Copyright (c) 2000-2011 the FFmpeg developers
  built on Jun 12 2012 20:43:50 with gcc 4.4.3
  configuration: --enable-cross-compile --arch=arm --cpu=cortex-a8 --target-os=linux --enable-runtime-cpudetect --prefix=/data/data/org.witness.sscvideoproto --enable-pic --disable-shared --enable-static --cross-prefix=/home/n8fr8/dev/android/ndk/toolchains/arm-linux-androideabi-4.4.3/prebuilt/linux-x86/bin/arm-linux-androideabi- --sysroot=/home/n8fr8/dev/android/ndk/platforms/android-3/arch-arm --enable-version3 --enable-gpl --enable-small --enable-memalign-hack --disable-yasm --disable-doc --enable-decoder=mjpeg --enable-decoder=rawvideo --enable-encoder=libx264 --enable-muxer=mp4 --enable-demuxer=image2 --enable-demuxer=mjpeg --enable-demuxer=mp4 --enable-demuxer=mov --enable-parser=mjpeg --enable-filter=buffer --enable-filter=buffersink --enable-filter=drawbox --enable-filter=overlay --enable-filter=redact --enable-protocol=file --enable-ffmpeg --disable-ffplay --disable-ffprobe --disable-ffserver --disable-network --enable-libx264 --enable-zlib --extra-cflags=-I../x264 --extra-ldflags=-L../x264 --disabl  libavutil    51. 32. 0 / 51. 32. 0
  libavcodec   53. 42. 0 / 53. 42. 0
  libavformat  53. 24. 0 / 53. 24. 0
  libavfilter   2. 53. 0 /  2. 53. 0
  libswscale    2.  1. 0 /  2.  1. 0
  libpostproc  51.  2. 0 / 51.  2. 0
[mov,mp4,m4a,3gp,3g2,mj2 @ 0xb05a90] multiple edit list entries, a/v desync might occur, patch welcome

Seems stream 1 codec frame rate differs from container frame rate: 180000.00 (180000/1) -> 90000.00 (180000/2)
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/sdcard/41.mp4':
  Metadata:
    major_brand     : 3gp4
    minor_version   : 0
    compatible_brands: isom3gp4
    creation_time   : 1947-02-14 16:37:21
  Duration: 00:00:04.22, start: 0.000000, bitrate: 2849 kb/s
    Stream #0:0(eng): Audio: aac (mp4a / 0x6134706D), 8000 Hz, mono, s16, 10 kb/s
    Metadata:
      creation_time   : 1947-02-14 16:37:21
      handler_name    : SoundHandle
    Stream #0:1(eng): Video: h264 (avc1 / 0x31637661), yuv420p, 720x480, 3122 kb/s, SAR 65536:65536 DAR 3:2, 28.03 fps, 90k tbr, 90k tbn, 180k tbc
    Metadata:
      creation_time   : 1947-02-14 16:37:21
      handler_name    : VideoHandle
[buffer @ 0xb45550] w:720 h:480 pixfmt:yuv420p tb:1/1000000 sar:65536/65536 sws_param:
[movie @ 0xb45870] Failed to avformat_open_input '/sdcard/image.png'
Error initializing filter 'movie' with args '/sdcard/image.png'
Error opening filters!