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Old Tam in the trailer: three short lines, timed to the dawn flyover, the wolves and the Cove (same clip size)

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Paul Bailey
2026-11-08 23:58:43 +00:00
parent a629ddba49
commit 73599401bf
7 changed files with 74 additions and 1 deletions
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12
tools/trailer/make_trailer.sh
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@@ -28,8 +28,18 @@ OUT_AT=$(echo "$D - 2.5" | bc)
# A slow A-minor-ish drone, left and right a little apart, echoed and soft.
PAD="0.06*(sin(2*PI*110*t)+0.7*sin(2*PI*164.8*t)+0.5*sin(2*PI*220*t)+0.35*sin(2*PI*261.6*t)*(0.5+0.5*sin(2*PI*0.08*t)))*(0.75+0.25*sin(2*PI*0.21*t))"
PAD_R="0.06*(sin(2*PI*110.4*t)+0.7*sin(2*PI*165.2*t)+0.5*sin(2*PI*219.6*t)+0.35*sin(2*PI*262*t)*(0.5+0.5*cos(2*PI*0.08*t)))*(0.75+0.25*cos(2*PI*0.21*t))"
# Old Tam (0.6.2: tools/trailer/voice, made by make_trailer_voice.py), each
# line a moment into its shot: the dawn flyover (shot 0), the wolves (3) and
# the Cove (6). The shots' start times are in the render log.
at() { awk -v n="$1" -v d="$2" '$1 == "[shot]" && $2 == n { printf "%d", ($3 + d) * 1000 }' build/trailer/render.log; }
V=tools/trailer/voice
T_DAWN=$(at 0 2.2); T_WOLVES=$(at 3 1.0); T_COVE=$(at 6 1.2)
[ -n "$T_DAWN" ] && [ -n "$T_WOLVES" ] && [ -n "$T_COVE" ] || { echo "no shot times in build/trailer/render.log"; exit 1; }
ffmpeg -v error -y -i "$RAW" -f lavfi -i "aevalsrc='$PAD|$PAD_R':s=48000:d=$D" \
-filter_complex "[1:a]lowpass=f=1800,aecho=0.8:0.7:180|340:0.35|0.25,afade=t=in:d=2.5,afade=t=out:st=$OUT_AT:d=2.5[m];[0:a]volume=0.8[g];[g][m]amix=inputs=2:duration=first:normalize=0[a]" \
-i "$V/dawn.ogg" -i "$V/wolves.ogg" -i "$V/cove.ogg" \
-filter_complex "[1:a]lowpass=f=1800,aecho=0.8:0.7:180|340:0.35|0.25,afade=t=in:d=2.5,afade=t=out:st=$OUT_AT:d=2.5[m];[0:a]volume=0.8[g];\
[2:a]aresample=48000,adelay=$T_DAWN|$T_DAWN,volume=1.6[v0];[3:a]aresample=48000,adelay=$T_WOLVES|$T_WOLVES,volume=1.6[v1];[4:a]aresample=48000,adelay=$T_COVE|$T_COVE,volume=1.6[v2];\
[v0][v1][v2]amix=inputs=3:duration=longest:normalize=0[v];[g][m][v]amix=inputs=3:duration=first:normalize=0[a]" \
-map 0:v -map "[a]" -vf "scale=in_range=pc:out_range=tv,format=yuv420p" -color_range tv \
-colorspace bt709 -color_primaries bt709 -color_trc bt709 \
-c:v libx264 -profile:v high -level 4.0 -preset slow -crf 23 -maxrate 3500k -bufsize 7000k -tag:v avc1 \