Update mp4 scale build script

jeromewu · jeromewu · commit 3b65cec011c4 · 2020-11-12T10:27:21.000+08:00
diff --git a/wasm/build-scripts/build-ffmpeg.mp4-scale.sh b/wasm/build-scripts/build-ffmpeg.mp4-scale.sh
@@ -21,7 +21,7 @@ FLAGS=(
   -s EXPORT_NAME="createFFmpegCore"             # assign export name for browser
   -s EXPORTED_FUNCTIONS="[_main, _proxy_main]"  # export main and proxy_main funcs
   -s EXTRA_EXPORTED_RUNTIME_METHODS="[FS, cwrap, ccall, setValue, writeAsciiToMemory]"   # export preamble funcs
-  -s INITIAL_MEMORY=1073741824                  # 1073741824 bytes = 1 GB
+  -s INITIAL_MEMORY=2146435072                  # 64 KB * 1024 * 16 * 2047 = 2146435072 bytes ~= 2 GB
   $OPTIM_FLAGS
 )
 echo "FFMPEG_EM_FLAGS=${FLAGS[@]}"

Original file line number	Diff line number	Diff line change
`@@ -21,7 +21,7 @@ FLAGS=(`
`21`	`21`	`-s EXPORT_NAME="createFFmpegCore" # assign export name for browser`
`22`	`22`	`-s EXPORTED_FUNCTIONS="[_main, _proxy_main]" # export main and proxy_main funcs`
`23`	`23`	`-s EXTRA_EXPORTED_RUNTIME_METHODS="[FS, cwrap, ccall, setValue, writeAsciiToMemory]" # export preamble funcs`
`24`		`- -s INITIAL_MEMORY=1073741824 # 1073741824 bytes = 1 GB`
	`24`	`+ -s INITIAL_MEMORY=2146435072 # 64 KB * 1024 * 16 * 2047 = 2146435072 bytes ~= 2 GB`
`25`	`25`	`$OPTIM_FLAGS`
`26`	`26`	`)`
`27`	`27`	`echo "FFMPEG_EM_FLAGS=${FLAGS[@]}"`