-
Notifications
You must be signed in to change notification settings - Fork 40
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Add
opt_set* methods mirroring av_opt_set*
- Loading branch information
Showing
3 changed files
with
224 additions
and
49 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,157 @@ | ||
| use crate::error::Result; | ||
| use crate::ffi; | ||
| use crate::ffi::AVPixelFormat; | ||
| use crate::ffi::AVRational; | ||
| use crate::ffi::AVSampleFormat; | ||
| use crate::shared::RetUpgrade; | ||
| use std::ffi::{c_double, c_int, c_void, CStr}; | ||
|
|
||
| /// - `name`: the name of the field to set | ||
| /// - `val`: if the field is not of a string type, then the given string is parsed. | ||
| /// SI postfixes and some named scalars are supported. | ||
| /// If the field is of a numeric type, it has to be a numeric or named | ||
| /// scalar. Behavior with more than one scalar and +- infix operators | ||
| /// is undefined. | ||
| /// If the field is of a flags type, it has to be a sequence of numeric | ||
| /// scalars or named flags separated by '+' or '-'. Prefixing a flag | ||
| /// with '+' causes it to be set without affecting the other flags; | ||
| /// similarly, '-' unsets a flag. | ||
| /// If the field is of a dictionary type, it has to be a ':' separated list of | ||
| /// key=value parameters. Values containing ':' special characters must be | ||
| /// escaped. | ||
| /// - `search_flags`: flags passed to `av_opt_find2`. I.e. if `AV_OPT_SEARCH_CHILDREN`` | ||
| /// is passed here, then the option may be set on a child of obj. | ||
| /// | ||
| /// This function returns `Ok(())` if the value has been set, or an AVERROR code in case of error: | ||
| /// `AVERROR_OPTION_NOT_FOUND` if no matching option exists | ||
| /// `AVERROR(ERANGE)` if the value is out of range | ||
| /// `AVERROR(EINVAL)` if the value is not valid | ||
| /// | ||
| /// # Safety | ||
| /// | ||
| /// `obj` should points to a struct whose first element is a pointer to an AVClass. | ||
| pub unsafe fn opt_set( | ||
| obj: *mut c_void, | ||
| name: &CStr, | ||
| val: &CStr, | ||
| search_flags: c_int, | ||
| ) -> Result<()> { | ||
| unsafe { ffi::av_opt_set(obj, name.as_ptr(), val.as_ptr(), search_flags) }.upgrade()?; | ||
| Ok(()) | ||
| } | ||
|
|
||
| /// # Safety | ||
| /// | ||
| /// `obj` should points to a struct whose first element is a pointer to an AVClass. | ||
| pub unsafe fn opt_set_int( | ||
| obj: *mut c_void, | ||
| name: &CStr, | ||
| val: i64, | ||
| search_flags: c_int, | ||
| ) -> Result<()> { | ||
| unsafe { ffi::av_opt_set_int(obj, name.as_ptr(), val, search_flags) }.upgrade()?; | ||
| Ok(()) | ||
| } | ||
|
|
||
| /// # Safety | ||
| /// | ||
| /// `obj` should points to a struct whose first element is a pointer to an AVClass. | ||
| pub unsafe fn opt_set_double( | ||
| obj: *mut c_void, | ||
| name: &CStr, | ||
| val: c_double, | ||
| search_flags: c_int, | ||
| ) -> Result<()> { | ||
| unsafe { ffi::av_opt_set_double(obj, name.as_ptr(), val, search_flags) }.upgrade()?; | ||
| Ok(()) | ||
| } | ||
|
|
||
| /// # Safety | ||
| /// | ||
| /// `obj` should points to a struct whose first element is a pointer to an AVClass. | ||
| pub unsafe fn opt_set_q( | ||
| obj: *mut c_void, | ||
| name: &CStr, | ||
| val: AVRational, | ||
| search_flags: c_int, | ||
| ) -> Result<()> { | ||
| unsafe { ffi::av_opt_set_q(obj, name.as_ptr(), val, search_flags) }.upgrade()?; | ||
| Ok(()) | ||
| } | ||
|
|
||
| /// Note: if `val.len()` extends [`i32::MAX`], this function returns [`RsmpegError::TryFromIntError`]. | ||
| /// | ||
| /// # Safety | ||
| /// | ||
| /// `obj` should points to a struct whose first element is a pointer to an AVClass. | ||
| pub unsafe fn opt_set_bin( | ||
| obj: *mut c_void, | ||
| name: &CStr, | ||
| val: &[u8], | ||
| search_flags: c_int, | ||
| ) -> Result<()> { | ||
| unsafe { | ||
| ffi::av_opt_set_bin( | ||
| obj, | ||
| name.as_ptr(), | ||
| val.as_ptr(), | ||
| val.len().try_into()?, | ||
| search_flags, | ||
| ) | ||
| } | ||
| .upgrade()?; | ||
| Ok(()) | ||
| } | ||
|
|
||
| /// # Safety | ||
| /// | ||
| /// `obj` should points to a struct whose first element is a pointer to an AVClass. | ||
| pub unsafe fn opt_set_image_size( | ||
| obj: *mut c_void, | ||
| name: &CStr, | ||
| w: c_int, | ||
| h: c_int, | ||
| search_flags: c_int, | ||
| ) -> Result<()> { | ||
| unsafe { ffi::av_opt_set_image_size(obj, name.as_ptr(), w, h, search_flags) }.upgrade()?; | ||
| Ok(()) | ||
| } | ||
|
|
||
| /// # Safety | ||
| /// | ||
| /// `obj` should points to a struct whose first element is a pointer to an AVClass. | ||
| pub unsafe fn opt_set_pixel_fmt( | ||
| obj: *mut c_void, | ||
| name: &CStr, | ||
| fmt: AVPixelFormat, | ||
| search_flags: c_int, | ||
| ) -> Result<()> { | ||
| unsafe { ffi::av_opt_set_pixel_fmt(obj, name.as_ptr(), fmt, search_flags) }.upgrade()?; | ||
| Ok(()) | ||
| } | ||
|
|
||
| /// # Safety | ||
| /// | ||
| /// `obj` should points to a struct whose first element is a pointer to an AVClass. | ||
| pub unsafe fn opt_set_sample_fmt( | ||
| obj: *mut c_void, | ||
| name: &CStr, | ||
| fmt: AVSampleFormat, | ||
| search_flags: c_int, | ||
| ) -> Result<()> { | ||
| unsafe { ffi::av_opt_set_sample_fmt(obj, name.as_ptr(), fmt, search_flags) }.upgrade()?; | ||
| Ok(()) | ||
| } | ||
|
|
||
| /// # Safety | ||
| /// | ||
| /// `obj` should points to a struct whose first element is a pointer to an AVClass. | ||
| pub unsafe fn opt_set_video_rate( | ||
| obj: *mut c_void, | ||
| name: &CStr, | ||
| val: AVRational, | ||
| search_flags: c_int, | ||
| ) -> Result<()> { | ||
| unsafe { ffi::av_opt_set_video_rate(obj, name.as_ptr(), val, search_flags) }.upgrade()?; | ||
| Ok(()) | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters