[Libav-user] Any brief explanation for ffm_set_write_index()

[sujith sudhakaran]

hi all,

I was trying to find some documentation for the functions like but not
successful:
1) ffm_set_write_index(AVFormatContext *s, int64_t pos, int64_t file_size)
-- referenced in HTTPSTATE_SEND_DATA
2) ffm_write_write_index(int fd, int64_t pos) -- referenced in
http_receive_data
3) ffm_read_write_index(int fd) -- referenced in http_start_receive_data


Can anyone please explain in brief what is the significance of these
functions?
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