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John Koleszar authored
This patch reworks the default behavior of the tool to output Y4M instead of writing individual raw frames. The relevant controls are now: --yv12, --i420 - These options change the output format to be raw planar data. The output will be Y4M unless one of these options is specified. --flipuv - Swaps the chroma planes. Works with Y4M output. -o, --output - Sets the output filename. Defaults to stdout if not specified. Supports escape character expansion for frame width (%w) height (%h) and sequence number (%1..%9). The --prefix option has been removed in favor of this escape expansion. Since the output defaults to stdout if -o is not specified, an error will be thrown if stdout is not connected to a pipe. This can be overridden by specifying '-o -'. Change-Id: I94e42c57ca75721fdd57a6129e79bcdb2afe5d4d
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