Function rsmpeg::ffi::avformat_alloc_output_context2

pub unsafe extern "C" fn avformat_alloc_output_context2(
    ctx: *mut *mut AVFormatContext, 
    oformat: *mut AVOutputFormat, 
    format_name: *const i8, 
    filename: *const i8
) -> i32

Allocate an AVFormatContext for an output format. avformat_free_context() can be used to free the context and everything allocated by the framework within it.

@param *ctx is set to the created format context, or to NULL in case of failure @param oformat format to use for allocating the context, if NULL format_name and filename are used instead @param format_name the name of output format to use for allocating the context, if NULL filename is used instead @param filename the name of the filename to use for allocating the context, may be NULL @return >= 0 in case of success, a negative AVERROR code in case of failure