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path: root/remuxer/src/codec_param/hevc.rs
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Diffstat (limited to 'remuxer/src/codec_param/hevc.rs')
-rw-r--r--remuxer/src/codec_param/hevc.rs46
1 files changed, 38 insertions, 8 deletions
diff --git a/remuxer/src/codec_param/hevc.rs b/remuxer/src/codec_param/hevc.rs
index 3459258..8bff081 100644
--- a/remuxer/src/codec_param/hevc.rs
+++ b/remuxer/src/codec_param/hevc.rs
@@ -4,21 +4,33 @@
Copyright (C) 2026 metamuffin <metamuffin.org>
*/
+use crate::codec_param::CodecParam;
use std::fmt::Write;
-pub(super) fn hevc_codec_param(cp: &[u8]) -> String {
+pub(super) fn hevc_codec_param(cp: &[u8]) -> CodecParam {
let general_profile_space = cp[1] >> 6;
let general_tier_flag = (cp[1] >> 5) & 0b1;
let general_profile_idc = cp[1] & 0b11111;
let general_level_idc = cp[12];
let general_profile_compatibility_flag =
u32::from_be_bytes([cp[2], cp[3], cp[4], cp[5]]).reverse_bits();
+ let general_constraint_indicator_flags = &cp[6..12];
+ let _min_spatial_segmentation_idc = u16::from_be_bytes([cp[13], cp[14]]) & 0b111111111111;
+ let _parallelism_type = cp[15] & 0b11;
+ let _chroma_format_idc = cp[16] & 0b11;
+ let bit_depth_luma = (cp[17] & 0b111) + 8;
+ let _bit_depth_chroma = (cp[18] & 0b111) + 8;
+
let mut d = String::new();
- let trailing_zeroes = cp[6..12].iter().rev().take_while(|x| **x == 0).count();
+ let trailing_zeroes = general_constraint_indicator_flags
+ .iter()
+ .rev()
+ .take_while(|x| **x == 0)
+ .count();
for &flag in &cp[6..12 - trailing_zeroes] {
write!(d, ".{flag:02x}").unwrap();
}
- format!(
+ let string = format!(
"hvc1.{}{}.{:x}.{}{}{d}",
match general_profile_space {
0 => "",
@@ -35,21 +47,39 @@ pub(super) fn hevc_codec_param(cp: &[u8]) -> String {
_ => unreachable!(),
},
general_level_idc,
- )
+ );
+ CodecParam {
+ string,
+ bit_depth: Some(bit_depth_luma),
+ }
}
#[test]
fn sample1() {
let cp = [
- 0x01, 0x02, 0x20, 0x00, 0x00, 0x00, 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3F,
+ 0x01, 0x02, 0x20, 0x00, 0x00, 0x00, 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3F, 0xF0, 0x00,
+ 0xFC, 0xFD, 0xFA, 0xFA, 0x00, 0x00, 0x0F,
];
- assert_eq!(hevc_codec_param(&cp), "hvc1.2.4.L63.90")
+ assert_eq!(
+ hevc_codec_param(&cp),
+ CodecParam {
+ string: "hvc1.2.4.L63.90".to_string(),
+ bit_depth: Some(10)
+ }
+ )
}
#[test]
fn sample2() {
let cp = [
- 0x01, 0x01, 0x60, 0x00, 0x00, 0x00, 0xB0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78,
+ 0x01, 0x01, 0x60, 0x00, 0x00, 0x00, 0xB0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0xF0, 0x00,
+ 0xFC, 0xFD, 0xF8, 0xF8, 0x00, 0x00, 0x0B,
];
- assert_eq!(hevc_codec_param(&cp), "hvc1.1.6.L120.b0")
+ assert_eq!(
+ hevc_codec_param(&cp),
+ CodecParam {
+ string: "hvc1.1.6.L120.b0".to_string(),
+ bit_depth: Some(8)
+ }
+ );
}