mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer-rs.git
synced 2024-05-23 02:38:15 +00:00
73 lines
2.4 KiB
Rust
73 lines
2.4 KiB
Rust
// Copyright (C) 2018 Sebastian Dröge <sebastian@centricular.com>
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use ffi;
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use glib;
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use glib::translate::*;
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use gst;
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use gst::MiniObject;
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use std::ptr;
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pub unsafe trait CodecTag<'a>: gst::Tag<'a, TagType = &'a str> {}
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unsafe impl<'a> CodecTag<'a> for gst::tags::ContainerFormat {}
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unsafe impl<'a> CodecTag<'a> for gst::tags::AudioCodec {}
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unsafe impl<'a> CodecTag<'a> for gst::tags::VideoCodec {}
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unsafe impl<'a> CodecTag<'a> for gst::tags::SubtitleCodec {}
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unsafe impl<'a> CodecTag<'a> for gst::tags::Codec {}
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pub fn pb_utils_add_codec_description_to_tag_list_for_tag<'a, T: CodecTag<'a>>(
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taglist: &mut gst::TagListRef,
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caps: &gst::CapsRef,
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) -> Result<(), glib::BoolError> {
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assert_initialized_main_thread!();
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let codec_tag = T::tag_name();
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unsafe {
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glib::BoolError::from_glib(
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ffi::gst_pb_utils_add_codec_description_to_tag_list(
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taglist.as_mut_ptr(),
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codec_tag.to_glib_none().0,
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caps.as_ptr(),
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),
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"Failed to find codec description",
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)
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}
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}
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pub fn pb_utils_add_codec_description_to_tag_list(
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taglist: &mut gst::TagListRef,
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caps: &gst::CapsRef,
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) -> Result<(), glib::BoolError> {
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assert_initialized_main_thread!();
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unsafe {
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glib::BoolError::from_glib(
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ffi::gst_pb_utils_add_codec_description_to_tag_list(
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taglist.as_mut_ptr(),
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ptr::null_mut(),
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caps.as_ptr(),
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),
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"Failed to find codec description",
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)
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}
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}
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pub fn pb_utils_get_encoder_description(caps: &gst::CapsRef) -> Option<String> {
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assert_initialized_main_thread!();
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unsafe { from_glib_full(ffi::gst_pb_utils_get_encoder_description(caps.as_ptr())) }
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}
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pub fn pb_utils_get_decoder_description(caps: &gst::CapsRef) -> Option<String> {
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assert_initialized_main_thread!();
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unsafe { from_glib_full(ffi::gst_pb_utils_get_decoder_description(caps.as_ptr())) }
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}
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pub fn pb_utils_get_codec_description(caps: &gst::CapsRef) -> Option<String> {
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assert_initialized_main_thread!();
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unsafe { from_glib_full(ffi::gst_pb_utils_get_codec_description(caps.as_ptr())) }
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}
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