creator/create-testfiles

#!/bin/sh
# This script takes any video file as input, and produces output files
# containing transcodes of the file to any codec Android is supposed
# to support.
#
# List of supported codecs:
# http://developer.android.com/guide/appendix/media-formats.html

if [ "$#" -lt 1 ]; then
	echo "Usage: $0 InputFile"
	exit 1
fi
if ! which ffmpeg &>/dev/null; then
	echo "Install ffmpeg >= 0.8 and put it in your PATH"
	exit 2
fi
if ! which mplayer &>/dev/null; then
	echo "Install mplayer"
	exit 3
fi
if ! which sox &>/dev/null; then
	echo "Install sox"
	exit 4
fi

IN="$1"

# ================
# == Audio-only ==
# ================
# AAC audio
# Maximum supported - 160k, 48k sample rate
ffmpeg -y -i "$IN" -vn -acodec libfaac -ab 160k -ar 48000 -ac 2 test-AAC-Stereo-96k.m4a
# Minimum supported - 8k sample rate, low bitrate
ffmpeg -y -i "$IN" -vn -acodec libfaac -strict experimental -ab 32k -ar 8000 -ac 1 test-AAC-Mono-8k.m4a
# FIXME we probably want to add an He-AACv2 sample when a free encoder
# becomes available
# Non-free encoder for testing could be built with
# http://tipok.org.ua/ru/node/17

# AMR
# Done after WAV because ffmpeg doesn't support AMR directly

# FLAC (Android 3.1+)
ffmpeg -y -i "$IN" -vn -acodec flac -ac 2 -ar 44100 test-flac.flac

# MP3
ffmpeg -y -i "$IN" -vn -acodec libmp3lame -ab 64k test-MP3.mp3

# We can't create a Midi file from a recording, so we're skipping this

# Ogg Vorbis
ffmpeg -y -i "$IN" -vn -acodec libvorbis -f ogg -ab 64k test-Vorbis.ogg

# PCM/WAVE
mplayer "$IN" -benchmark -vc null -vo null -ao pcm:fast:waveheader:file=test-PCM.wav
# 8bit
sox -S test-PCM.wav -b 8 test-PCM8.wav
# 16bit
sox -S test-PCM.wav -b 16 test-PCM16.wav
# The original format is undefined -- could be either 8 or 16 bit depending on the input.
# Let's dispose of it...
rm -f test-PCM.wav

# AMR
sox -S test-PCM16.wav -c 1 -r 8000 -t amr-nb test-AMR-NB.3gp
# FIXME we probably want to add an AMR-WB sample when a free encoder
# becomes available
# Non-free encoder for testing could be built with
# http://www.penguin.cz/~utx/amr

# ================
# == Video-only ==
# ================
# H.263
ffmpeg -y -i "$IN" -vcodec h263 -s cif -r 25 -vb 768000 -an -f 3gp test-H.263.3gp

# H.264 AVC Baseline Profile
ffmpeg -y -i "$IN" -vcodec libx264 -vb 1024000 -vpre libx264-baseline -an -f mp4 test-H.264.m4v


# MPEG-4 SP
ffmpeg -y -i "$IN" -vcodec mpeg4 -vb 768000 -an -f mp4 test-MPEG4_SP.mp4

# VP8
ffmpeg -y -i "$IN" -vcodec libvpx -vb 768000 -an -f webm test-VP8.webm


# ==========================
# == Combined Audio/Video ==
# ==========================
# H.263 + AAC in a 3gp container
ffmpeg -y -i "$IN" -vcodec h263 -s cif -r 25 -vb 768000 -acodec libfaac -ac 1 -ar 8000 -ab 32000 -f 3gp test-H.263-AAC.3gp

# H.264 AVC Baseline + AAC in an mp4 container
ffmpeg -y -i "$IN" -vcodec libx264 -vb 1024000 -vpre libx264-baseline -acodec aac -strict experimental -ab 96000 -f mp4 test-H.264-AAC.mp4
# Same thing at a much higher resolution and bitrate
ffmpeg -y -i "$IN" -s hd1080 -vcodec libx264 -vb 2048000 -vpre libx264-baseline -acodec aac -strict experimental -ab 96000 -f mp4 test-H.264-AAC.mp4

# MPEG-4 SP + MP3 in an mp4 container
ffmpeg -y -i "$IN" -vcodec mpeg4 -vb 768000 -acodec libmp3lame -ab 64000 -f mp4 test-MPEG4-MP3.mp4

# VP8 + Vorbis in a WebM container (Android 2.3.3+)
ffmpeg -y -i "$IN" -vcodec libvpx -vb 1024000 -vpre libvpx-360p -f webm -acodec libvorbis -ab 48000 test-VP8-Vorbis.webm