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cdgdec: remove parsing code

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Now rely on cdgparse to do the parsing.
This commit is contained in:
Guillaume Desmottes 2019-05-26 18:12:14 +02:00
parent 0a9536046b
commit 4eac148045
2 changed files with 11 additions and 40 deletions
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46
gst-plugin-cdg/src/cdgdec.rs
View file

@ -11,20 +11,16 @@ use cdg_renderer;
use glib;
use glib::subclass;
use glib::subclass::prelude::*;
use glib::Cast;
use gst;
use gst::subclass::prelude::*;
use gst::{ClockTime, SECOND_VAL};
use gst_video::prelude::VideoDecoderExtManual;
use gst_video::prelude::*;
use gst_video::subclass::prelude::*;
use gstreamer_base as gst_base;
use gstreamer_video as gst_video;
use image::GenericImageView;
use muldiv::MulDiv;
use std::sync::Mutex;
use crate::constants::{CDG_HEIGHT, CDG_PACKET_PERIOD, CDG_PACKET_SIZE, CDG_WIDTH};
use crate::constants::{CDG_HEIGHT, CDG_WIDTH};
struct CdgDec {
cat: gst::DebugCategory,
@ -60,7 +56,7 @@ impl ObjectSubclass for CdgDec {
"Guillaume Desmottes <guillaume.desmottes@collabora.com>",
);
let sink_caps = gst::Caps::new_simple("video/x-cdg", &[]);
let sink_caps = gst::Caps::new_simple("video/x-cdg", &[("parsed", &true)]);
let sink_pad_template = gst::PadTemplate::new(
"sink",
gst::PadDirection::Sink,
@ -92,13 +88,6 @@ impl ObjectSubclass for CdgDec {
impl ObjectImpl for CdgDec {
glib_object_impl!();
fn constructed(&self, obj: &glib::Object) {
self.parent_constructed(obj);
let dec = obj.downcast_ref::<gst_video::VideoDecoder>().unwrap();
dec.set_packetized(false);
}
}
impl ElementImpl for CdgDec {}
@ -111,22 +100,6 @@ impl VideoDecoderImpl for CdgDec {
self.parent_start(element)
}
fn parse(
&self,
element: &gst_video::VideoDecoder,
_frame: &gst_video::VideoCodecFrame,
adapter: &gst_base::Adapter,
_at_eos: bool,
) -> Result<gst::FlowSuccess, gst::FlowError> {
// FIXME: scan for CDG header
if adapter.available() >= CDG_PACKET_SIZE as usize {
element.add_to_frame(CDG_PACKET_SIZE);
element.have_frame()
} else {
Ok(gst::FlowSuccess::CustomSuccess)
}
}
fn handle_frame(
&self,
element: &gst_video::VideoDecoder,
@ -215,16 +188,13 @@ impl VideoDecoderImpl for CdgDec {
}
}
let pts = {
// FIXME: this won't work when seeking
let nb = frame.get_decode_frame_number() as u64;
let ns = nb.mul_div_round(SECOND_VAL, CDG_PACKET_PERIOD).unwrap();
ClockTime::from_nseconds(ns)
};
gst_debug!(
self.cat,
obj: element,
"Finish frame pts={}",
frame.get_pts()
);
gst_debug!(self.cat, obj: element, "Finish frame pts={}", pts);
frame.set_pts(pts);
element.finish_frame(frame)
}

5
gst-plugin-cdg/tests/cdgdec.rs
View file

@ -50,13 +50,14 @@ fn test_cdgdec() {
.set_property("blocksize", &blocksize)
.expect("failed to set 'blocksize' property");
let parse = gst::ElementFactory::make("cdgparse", None).unwrap();
let dec = gst::ElementFactory::make("cdgdec", None).unwrap();
let sink = gst::ElementFactory::make("appsink", None).unwrap();
pipeline
.add_many(&[&filesrc, &dec, &sink])
.add_many(&[&filesrc, &parse, &dec, &sink])
.expect("failed to add elements to the pipeline");
gst::Element::link_many(&[&filesrc, &dec, &sink]).expect("failed to link the elements");
gst::Element::link_many(&[&filesrc, &parse, &dec, &sink]).expect("failed to link the elements");
let sink = sink.downcast::<gst_app::AppSink>().unwrap();
sink.set_callbacks(