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https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
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Stream-line pad probe code
Don't take another reference of the data passed through the pad probes, i.e. keeping buffers writable if they're writable.
This commit is contained in:
parent
632d5f4c57
commit
ec8b55ec30
1 changed files with 18 additions and 23 deletions
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@ -87,7 +87,8 @@ pub enum PadProbeData<'a> {
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BufferList(BufferList),
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Query(&'a mut QueryRef),
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Event(Event),
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Unknown,
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#[doc(hidden)]
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__Unknown(*mut ffi::GstMiniObject),
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}
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pub struct StreamLock(Pad);
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@ -875,15 +876,16 @@ unsafe extern "C" fn trampoline_pad_probe(
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data: if (*info).data.is_null() {
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None
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} else {
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let data = (*info).data as *const ffi::GstMiniObject;
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let data = (*info).data as *mut ffi::GstMiniObject;
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(*info).data = ptr::null_mut();
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if (*data).type_ == Buffer::static_type().to_glib() {
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data_type = Some(Buffer::static_type());
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Some(PadProbeData::Buffer(from_glib_none(
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Some(PadProbeData::Buffer(from_glib_full(
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data as *const ffi::GstBuffer,
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)))
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} else if (*data).type_ == BufferList::static_type().to_glib() {
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data_type = Some(BufferList::static_type());
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Some(PadProbeData::BufferList(from_glib_none(
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Some(PadProbeData::BufferList(from_glib_full(
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data as *const ffi::GstBufferList,
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)))
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} else if (*data).type_ == Query::static_type().to_glib() {
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@ -893,11 +895,11 @@ unsafe extern "C" fn trampoline_pad_probe(
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)))
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} else if (*data).type_ == Event::static_type().to_glib() {
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data_type = Some(Event::static_type());
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Some(PadProbeData::Event(from_glib_none(
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Some(PadProbeData::Event(from_glib_full(
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data as *const ffi::GstEvent,
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)))
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} else {
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Some(PadProbeData::Unknown)
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Some(PadProbeData::__Unknown(data))
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}
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},
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};
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@ -907,33 +909,26 @@ unsafe extern "C" fn trampoline_pad_probe(
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match probe_info.data {
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Some(PadProbeData::Buffer(buffer)) => {
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assert_eq!(data_type, Some(Buffer::static_type()));
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if (*info).data != buffer.as_mut_ptr() as *mut _ {
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ffi::gst_mini_object_unref((*info).data as *mut _);
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(*info).data = buffer.into_ptr() as *mut libc::c_void;
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}
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(*info).data = buffer.into_ptr() as *mut libc::c_void;
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}
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Some(PadProbeData::BufferList(bufferlist)) => {
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assert_eq!(data_type, Some(BufferList::static_type()));
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if (*info).data != bufferlist.as_mut_ptr() as *mut _ {
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ffi::gst_mini_object_unref((*info).data as *mut _);
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(*info).data = bufferlist.into_ptr() as *mut libc::c_void;
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}
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(*info).data = bufferlist.into_ptr() as *mut libc::c_void;
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}
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Some(PadProbeData::Event(event)) => {
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assert_eq!(data_type, Some(Event::static_type()));
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if (*info).data != event.as_mut_ptr() as *mut _ {
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ffi::gst_mini_object_unref((*info).data as *mut _);
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(*info).data = event.into_ptr() as *mut libc::c_void;
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}
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(*info).data = event.into_ptr() as *mut libc::c_void;
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}
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Some(PadProbeData::Query(query)) => {
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assert_eq!(data_type, Some(Query::static_type()));
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(*info).data = query.as_mut_ptr() as *mut libc::c_void;
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}
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Some(PadProbeData::__Unknown(ptr)) => {
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(*info).data = ptr as *mut libc::c_void;
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}
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None => {
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assert_ne!(data_type, Some(Query::static_type()));
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if !(*info).data.is_null() {
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ffi::gst_mini_object_unref((*info).data as *mut _);
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(*info).data = ptr::null_mut();
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}
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}
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_ => (),
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}
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ret
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