diff options
Diffstat (limited to 'bin')
-rwxr-xr-x | bin/decode+edit | 20 | ||||
-rwxr-xr-x | bin/encode+stream | 29 |
2 files changed, 49 insertions, 0 deletions
diff --git a/bin/decode+edit b/bin/decode+edit new file mode 100755 index 0000000..3413e01 --- /dev/null +++ b/bin/decode+edit @@ -0,0 +1,20 @@ +#!/bin/sh + +set -e + +ITERATIONS=${1-1} + +SIZE=640x360 + +MOVIE=../src/omni/show0/earth.mp4 +LOGO=../../content/icon_small.png + +TMPMOVIE=../tmp/omni/show0/earth.yuv + +mkdir -p $(dirname "$TMPMOVIE") + +# based on http://video.stackexchange.com/a/16933 +ffmpeg -threads auto -y \ + -f lavfi -i "movie=filename=$MOVIE:loop=$ITERATIONS, setpts=N/(FRAME_RATE*TB), scale=$SIZE" \ + -i "$LOGO" -filter_complex 'overlay=main_w-overlay_w-20:main_h-overlay_h-20' \ + -an -f yuv4mpegpipe "$TMPMOVIE" diff --git a/bin/encode+stream b/bin/encode+stream new file mode 100755 index 0000000..e23b8a1 --- /dev/null +++ b/bin/encode+stream @@ -0,0 +1,29 @@ +#!/bin/sh + +set -e + +HOST=${1:-morla} +if [ "$HOST" = "$(hostname --short)" ]; then + IP=127.0.0.1 +else + IP=$(host "$HOST" | grep -Po 'address \K\S+') +fi + +PORT=${2:-5004} + +BITRATE=500000 + +TMPMOVIE=../tmp/omni/show0/earth.yuv + +# based on http://www.webmproject.org/docs/encoder-parameters/ +# example "Real-time CBR Encoding and Streaming" +# + Drop frames, aggressively treat as static, and use fastest cpu +ffmpeg -threads auto -re \ + -stream_loop -1 -i "$TMPMOVIE" \ + -codec:v vp8 -quality realtime -deadline realtime -cpu-used 15 \ + -b:v "$BITRATE" -minrate "$BITRATE" -maxrate "$BITRATE" \ + -undershoot-pct 95 -bufsize $((6000*BITRATE/1000)) -rc_init_occupancy $((4000*BITRATE/1000)) \ + -max-intra-rate 0 \ + -qmin 4 -qmax 56 \ + -static-thresh 500 -skip_threshold 50 \ + -an -f rtp "rtp://$IP:$PORT?pkt_size=1200" |