#!/bin/sh

# Usage: make_rvf input.avi/mpg output.rvf
# Converts your home videos to rockbox video format

# If any of these binaries are named differently, or aren't in your path,
# you can fix that here...  i.e. "=rvf_halftone", ="~/bin/halftone", etc.
TRANSCODE="transcode"
TCEXTRACT="tcextract"
AVI2YUV="avi2yuv"
HALFTONE="halftone"
RVF_MUX="rvf_mux"

echo "Scaling down video and preparing in mjpeg format..."
$TRANSCODE -i $1 -z -Z 112x64 --export_asr 0.8 -y ffmpeg,null -F mjpeg -o rock.avi

echo "Converting to YUV format.."
$AVI2YUV rock.avi > rock.yuv ; rm rock.avi

echo "Converting to halftone (grayscale)..."
$HALFTONE rock.yuv rock.rvf ; rm rock.yuv 

echo "Extracting audio from video..."
$TCEXTRACT -i $1 -x mp3 > rock.mp3

echo "Multiplexing video and audio to $2..."
$RVF_MUX rock.rvf rock.mp3 $2
rm rock.rvf rock.mp3

echo Done.