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media: ffmpeg: Add setters for AVCodecContext properties.

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Add setters for time_base, bit_rate and rc_max_rate for use in encoder.

BUG=b:239897269
TEST=cargo test --features "video-decoder,ffmpeg" -p devices -p ffmpeg

Change-Id: If006abf5b32cdb740c33075f8d5f480c65c20806
Reviewed-on: https://chromium-review.googlesource.com/c/crosvm/crosvm/+/3920258
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
This commit is contained in:
Tatsuyuki Ishi 2022-09-27 16:38:28 +09:00 committed by crosvm LUCI
parent cb509c8972
commit 93bac69f36
2 changed files with 20 additions and 0 deletions
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18
media/ffmpeg/src/avcodec.rs
View file

@ -548,6 +548,24 @@ impl AvCodecContext {
// Safe because the context is valid through the life of this object.
AvError::result(unsafe { ffi::avcodec_send_frame(self.0, std::ptr::null()) })
}
/// Set the time base for this context.
pub fn set_time_base(&mut self, time_base: AVRational) {
let context = unsafe { &mut *(self.0) };
context.time_base = time_base;
}
/// Set the bit rate for this context.
pub fn set_bit_rate(&mut self, bit_rate: u64) {
let context = unsafe { &mut *(self.0) };
context.bit_rate = bit_rate as _;
}
/// Set the max bit rate (rc_max_rate) for this context.
pub fn set_max_bit_rate(&mut self, bit_rate: u64) {
let context = unsafe { &mut *(self.0) };
context.rc_max_rate = bit_rate as _;
}
}
/// Trait for types that can be used as data provider for a `AVBuffer`.

2
media/ffmpeg/src/lib.rs
View file

@ -30,3 +30,5 @@ pub use ffi::FF_PROFILE_VP9_0;
pub use ffi::FF_PROFILE_VP9_1;
pub use ffi::FF_PROFILE_VP9_2;
pub use ffi::FF_PROFILE_VP9_3;
pub use ffi::AVRational;