mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
synced 2024-11-25 11:01:10 +00:00
gstreamer-video: Change functions from returning Option to Result
Partial work for: https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/issues/216
This commit is contained in:
parent
c3b7f0f353
commit
700332dd3e
4 changed files with 57 additions and 34 deletions
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@ -158,7 +158,7 @@ pub struct DownstreamForceKeyUnitEvent {
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pub fn parse_downstream_force_key_unit_event(
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event: &gst::EventRef,
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) -> Option<DownstreamForceKeyUnitEvent> {
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) -> Result<DownstreamForceKeyUnitEvent, glib::error::BoolError> {
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unsafe {
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let mut timestamp = mem::MaybeUninit::uninit();
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let mut stream_time = mem::MaybeUninit::uninit();
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@ -177,7 +177,7 @@ pub fn parse_downstream_force_key_unit_event(
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),
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);
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if res {
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Some(DownstreamForceKeyUnitEvent {
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Ok(DownstreamForceKeyUnitEvent {
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timestamp: from_glib(timestamp.assume_init()),
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stream_time: from_glib(stream_time.assume_init()),
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running_time: from_glib(running_time.assume_init()),
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@ -185,7 +185,7 @@ pub fn parse_downstream_force_key_unit_event(
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count: count.assume_init(),
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})
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} else {
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None
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Err(glib_bool_error!("Failed to parse GstEvent"))
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}
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}
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}
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@ -252,7 +252,7 @@ pub struct UpstreamForceKeyUnitEvent {
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pub fn parse_upstream_force_key_unit_event(
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event: &gst::EventRef,
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) -> Option<UpstreamForceKeyUnitEvent> {
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) -> Result<UpstreamForceKeyUnitEvent, glib::error::BoolError> {
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unsafe {
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let mut running_time = mem::MaybeUninit::uninit();
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let mut all_headers = mem::MaybeUninit::uninit();
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@ -267,13 +267,13 @@ pub fn parse_upstream_force_key_unit_event(
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),
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);
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if res {
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Some(UpstreamForceKeyUnitEvent {
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Ok(UpstreamForceKeyUnitEvent {
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running_time: from_glib(running_time.assume_init()),
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all_headers: from_glib(all_headers.assume_init()),
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count: count.assume_init(),
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})
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} else {
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None
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Err(glib_bool_error!("Failed to parse GstEvent"))
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}
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}
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}
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@ -284,7 +284,9 @@ pub enum ForceKeyUnitEvent {
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Upstream(UpstreamForceKeyUnitEvent),
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}
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pub fn parse_force_key_unit_event(event: &gst::EventRef) -> Option<ForceKeyUnitEvent> {
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pub fn parse_force_key_unit_event(
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event: &gst::EventRef,
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) -> Result<ForceKeyUnitEvent, glib::error::BoolError> {
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if event.is_upstream() {
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parse_upstream_force_key_unit_event(event).map(ForceKeyUnitEvent::Upstream)
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} else {
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@ -324,7 +326,9 @@ pub struct StillFrameEvent {
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pub in_still: bool,
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}
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pub fn parse_still_frame_event(event: &gst::EventRef) -> Option<StillFrameEvent> {
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pub fn parse_still_frame_event(
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event: &gst::EventRef,
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) -> Result<StillFrameEvent, glib::error::BoolError> {
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unsafe {
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let mut in_still = mem::MaybeUninit::uninit();
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@ -333,11 +337,11 @@ pub fn parse_still_frame_event(event: &gst::EventRef) -> Option<StillFrameEvent>
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in_still.as_mut_ptr(),
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));
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if res {
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Some(StillFrameEvent {
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Ok(StillFrameEvent {
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in_still: from_glib(in_still.assume_init()),
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})
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} else {
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None
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Err(glib_bool_error!("Invalid still-frame event"))
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}
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}
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}
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@ -198,12 +198,14 @@ impl fmt::Debug for VideoOverlayCompositionRef {
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}
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impl VideoOverlayComposition {
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pub fn new<'a, T: IntoIterator<Item = &'a VideoOverlayRectangle>>(rects: T) -> Option<Self> {
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pub fn new<'a, T: IntoIterator<Item = &'a VideoOverlayRectangle>>(
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rects: T,
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) -> Result<Self, glib::error::BoolError> {
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unsafe {
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let mut iter = rects.into_iter();
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let first = match iter.next() {
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None => return None,
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None => return Err(glib_bool_error!("Failed to create VideoOverlayComposition")),
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Some(first) => first,
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};
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@ -218,7 +220,7 @@ impl VideoOverlayComposition {
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);
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}
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Some(composition)
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Ok(composition)
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}
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}
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}
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@ -228,16 +230,19 @@ impl VideoOverlayCompositionRef {
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unsafe { gst_video_sys::gst_video_overlay_composition_n_rectangles(self.as_mut_ptr()) }
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}
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pub fn get_rectangle(&self, idx: u32) -> Option<VideoOverlayRectangle> {
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pub fn get_rectangle(&self, idx: u32) -> Result<VideoOverlayRectangle, glib::error::BoolError> {
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if idx >= self.n_rectangles() {
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return None;
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return Err(glib_bool_error!("Invalid index"));
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}
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unsafe {
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from_glib_none(gst_video_sys::gst_video_overlay_composition_get_rectangle(
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match from_glib_none(gst_video_sys::gst_video_overlay_composition_get_rectangle(
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self.as_mut_ptr(),
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idx,
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))
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)) {
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Some(r) => Ok(r),
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None => Err(glib_bool_error!("Failed to get rectangle")),
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}
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}
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}
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@ -77,7 +77,7 @@ impl VideoTimeCode {
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dt: &glib::DateTime,
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flags: VideoTimeCodeFlags,
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field_count: u32,
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) -> Option<VideoTimeCode> {
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) -> Result<VideoTimeCode, glib::error::BoolError> {
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assert_initialized_main_thread!();
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assert!(*fps.denom() > 0);
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unsafe {
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@ -92,9 +92,9 @@ impl VideoTimeCode {
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);
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if res == glib_sys::GFALSE {
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None
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Err(glib_bool_error!("Failed to init video time code"))
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} else {
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Some(VideoTimeCode(v.assume_init()))
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Ok(VideoTimeCode(v.assume_init()))
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}
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}
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}
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@ -163,7 +163,7 @@ impl ValidVideoTimeCode {
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seconds: u32,
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frames: u32,
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field_count: u32,
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) -> Option<Self> {
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) -> Result<Self, glib::error::BoolError> {
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let tc = VideoTimeCode::new(
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fps,
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latest_daily_jam,
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@ -174,7 +174,10 @@ impl ValidVideoTimeCode {
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frames,
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field_count,
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);
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tc.try_into().ok()
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match tc.try_into() {
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Ok(v) => Ok(v),
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Err(_) => Err(glib_bool_error!("Failed to create new ValidVideoTimeCode")),
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}
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}
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// #[cfg(any(feature = "v1_16", feature = "dox"))]
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@ -195,12 +198,18 @@ impl ValidVideoTimeCode {
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}
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#[cfg(any(feature = "v1_12", feature = "dox"))]
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pub fn add_interval(&self, tc_inter: &VideoTimeCodeInterval) -> Option<VideoTimeCode> {
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pub fn add_interval(
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&self,
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tc_inter: &VideoTimeCodeInterval,
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) -> Result<VideoTimeCode, glib::error::BoolError> {
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unsafe {
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from_glib_full(gst_video_sys::gst_video_time_code_add_interval(
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match from_glib_full(gst_video_sys::gst_video_time_code_add_interval(
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self.to_glib_none().0,
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tc_inter.to_glib_none().0,
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))
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)) {
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Some(i) => Ok(i),
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None => Err(glib_bool_error!("Failed to add interval")),
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}
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}
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}
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@ -224,11 +233,16 @@ impl ValidVideoTimeCode {
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unsafe { gst_video_sys::gst_video_time_code_nsec_since_daily_jam(self.to_glib_none().0) }
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}
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pub fn to_date_time(&self) -> Option<glib::DateTime> {
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pub fn to_date_time(&self) -> Result<glib::DateTime, glib::error::BoolError> {
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unsafe {
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from_glib_full(gst_video_sys::gst_video_time_code_to_date_time(
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match from_glib_full(gst_video_sys::gst_video_time_code_to_date_time(
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self.to_glib_none().0,
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))
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)) {
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Some(d) => Ok(d),
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None => Err(glib_bool_error!(
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"Failed to convert VideoTimeCode to date time"
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)),
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}
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}
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}
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}
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@ -466,15 +480,15 @@ generic_impl!(ValidVideoTimeCode);
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#[cfg(any(feature = "v1_12", feature = "dox"))]
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impl str::FromStr for VideoTimeCode {
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type Err = ();
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type Err = glib::error::BoolError;
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fn from_str(s: &str) -> Result<Self, ()> {
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fn from_str(s: &str) -> Result<Self, glib::error::BoolError> {
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assert_initialized_main_thread!();
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unsafe {
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Option::<VideoTimeCode>::from_glib_full(
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gst_video_sys::gst_video_time_code_new_from_string(s.to_glib_none().0),
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)
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.ok_or(())
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.ok_or_else(|| glib_bool_error!("Failed to create VideoTimeCode from string"))
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}
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}
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}
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@ -128,15 +128,15 @@ impl fmt::Display for VideoTimeCodeInterval {
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}
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impl str::FromStr for VideoTimeCodeInterval {
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type Err = ();
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type Err = glib::error::BoolError;
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fn from_str(s: &str) -> Result<Self, ()> {
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fn from_str(s: &str) -> Result<Self, glib::error::BoolError> {
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assert_initialized_main_thread!();
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unsafe {
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Option::<VideoTimeCodeInterval>::from_glib_full(
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gst_video_sys::gst_video_time_code_interval_new_from_string(s.to_glib_none().0),
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)
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.ok_or(())
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.ok_or_else(|| glib_bool_error!("Failed to create VideoTimeCodeInterval from string"))
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}
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}
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}
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