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cdg: typefind: define the search window in seconds rather than bytes

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Makes it easier to read and fine tune.
This commit is contained in:
Guillaume Desmottes 2019-11-03 14:42:51 +01:00
parent a5d49f57da
commit 1895c72ca6
1 changed files with 4 additions and 2 deletions
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6
gst-plugin-cdg/src/lib.rs
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@ -19,9 +19,11 @@ mod cdgdec;
mod cdgparse;
mod constants;
use constants::{CDG_COMMAND, CDG_MASK, CDG_PACKET_SIZE};
use constants::{CDG_COMMAND, CDG_MASK, CDG_PACKET_PERIOD, CDG_PACKET_SIZE};
const TYPEFIND_SEARCH_WINDOW: i64 = 100_000; /* in bytes */
const TYPEFIND_SEARCH_WINDOW_SEC: i64 = 13;
const TYPEFIND_SEARCH_WINDOW: i64 =
TYPEFIND_SEARCH_WINDOW_SEC * (CDG_PACKET_SIZE as i64 * CDG_PACKET_PERIOD as i64); /* in bytes */
/* Return the percentage of CDG packets in the first @len bytes of @typefind */
fn cdg_packets_ratio(typefind: &mut gst::TypeFind, len: i64) -> i64 {