mirrors/gst-plugins-rs
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Use caps also for the demuxer sink/src pad templates instead of strings

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This commit is contained in:
Sebastian Dröge 2016-12-30 19:02:31 +02:00
parent e26cdc9187
commit 80ba9a8b8f
4 changed files with 42 additions and 27 deletions
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5
gst-plugin-flv/src/lib.rs
View file

@ -28,6 +28,7 @@ extern crate flavors;
use gst_plugin::plugin::*;
use gst_plugin::demuxer::*;
use gst_plugin::caps::*;
mod flvdemux;
@ -43,8 +44,8 @@ fn plugin_init(plugin: &Plugin) -> bool {
author: "Sebastian Dröge <sebastian@centricular.com>",
rank: 256 + 100,
create_instance: FlvDemux::new_boxed,
input_formats: "video/x-flv",
output_formats: "ANY",
input_caps: &Caps::new_simple("video/x-flv", vec![]),
output_caps: &Caps::new_any(),
});
true

20
gst-plugin/src/caps.rs
View file

@ -45,6 +45,26 @@ const TYPE_INT: usize = (6 << 2);
const TYPE_STRING: usize = (16 << 2);
impl Caps {
pub fn new_empty() -> Self {
extern "C" {
fn gst_caps_new_empty() -> *mut c_void;
}
let caps = Caps(unsafe { gst_caps_new_empty() });
caps
}
pub fn new_any() -> Self {
extern "C" {
fn gst_caps_new_any() -> *mut c_void;
}
let caps = Caps(unsafe { gst_caps_new_any() });
caps
}
pub fn new_simple(name: &str, values: Vec<(&str, &Value)>) -> Self {
extern "C" {
fn gst_caps_new_empty() -> *mut c_void;

30
gst-plugin/src/demuxer.c
View file

@ -28,8 +28,8 @@ typedef struct
gchar *classification;
gchar *author;
void *create_instance;
gchar *input_format;
gchar *output_formats;
GstCaps *input_caps;
GstCaps *output_caps;
} ElementData;
static GHashTable *demuxers;
@ -82,7 +82,6 @@ gst_rs_demuxer_class_init (GstRsDemuxerClass * klass)
GstElementClass *gstelement_class;
ElementData *data = g_hash_table_lookup (demuxers,
GSIZE_TO_POINTER (G_TYPE_FROM_CLASS (klass)));
GstCaps *caps;
GstPadTemplate *templ;
g_assert (data != NULL);
@ -96,16 +95,14 @@ gst_rs_demuxer_class_init (GstRsDemuxerClass * klass)
gst_element_class_set_static_metadata (gstelement_class,
data->long_name, data->classification, data->description, data->author);
caps = gst_caps_from_string (data->input_format);
templ = gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, caps);
gst_caps_unref (caps);
templ =
gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS,
data->input_caps);
gst_element_class_add_pad_template (gstelement_class, templ);
caps = gst_caps_from_string (data->output_formats);
templ = gst_pad_template_new ("src_%u", GST_PAD_SRC, GST_PAD_SOMETIMES, caps);
gst_caps_unref (caps);
templ =
gst_pad_template_new ("src_%u", GST_PAD_SRC, GST_PAD_SOMETIMES,
data->output_caps);
gst_element_class_add_pad_template (gstelement_class, templ);
}
@ -523,8 +520,7 @@ gboolean
gst_rs_demuxer_register (GstPlugin * plugin, const gchar * name,
const gchar * long_name, const gchar * description,
const gchar * classification, const gchar * author, GstRank rank,
void *create_instance, const gchar * input_format,
const gchar * output_formats)
void *create_instance, GstCaps * input_caps, GstCaps * output_caps)
{
GOnce gonce = G_ONCE_INIT;
GTypeInfo type_info = {
@ -550,8 +546,8 @@ gst_rs_demuxer_register (GstPlugin * plugin, const gchar * name,
GST_DEBUG (" classification: %s", classification);
GST_DEBUG (" author: %s", author);
GST_DEBUG (" rank: %d", rank);
GST_DEBUG (" input formats: %s", input_format);
GST_DEBUG (" output formats: %s", output_formats);
GST_DEBUG (" input caps: %" GST_PTR_FORMAT, input_caps);
GST_DEBUG (" output caps: %" GST_PTR_FORMAT, output_caps);
data = g_new0 (ElementData, 1);
data->long_name = g_strdup (long_name);
@ -559,8 +555,8 @@ gst_rs_demuxer_register (GstPlugin * plugin, const gchar * name,
data->classification = g_strdup (classification);
data->author = g_strdup (author);
data->create_instance = create_instance;
data->input_format = g_strdup (input_format);
data->output_formats = g_strdup (output_formats);
data->input_caps = gst_caps_ref (input_caps);
data->output_caps = gst_caps_ref (output_caps);
type_name = g_strconcat ("RsDemuxer-", name, NULL);
type = g_type_register_static (GST_TYPE_ELEMENT, type_name, &type_info, 0);

14
gst-plugin/src/demuxer.rs
View file

@ -496,8 +496,8 @@ pub struct DemuxerInfo<'a> {
pub author: &'a str,
pub rank: i32,
pub create_instance: fn(Element) -> Box<Demuxer>,
pub input_formats: &'a str,
pub output_formats: &'a str,
pub input_caps: &'a Caps,
pub output_caps: &'a Caps,
}
pub fn demuxer_register(plugin: &Plugin, demuxer_info: &DemuxerInfo) {
@ -510,8 +510,8 @@ pub fn demuxer_register(plugin: &Plugin, demuxer_info: &DemuxerInfo) {
author: *const c_char,
rank: i32,
create_instance: *const c_void,
input_format: *const c_char,
output_formats: *const c_char)
input_caps: *const c_void,
output_caps: *const c_void)
-> GBoolean;
}
@ -520,8 +520,6 @@ pub fn demuxer_register(plugin: &Plugin, demuxer_info: &DemuxerInfo) {
let cdescription = CString::new(demuxer_info.description).unwrap();
let cclassification = CString::new(demuxer_info.classification).unwrap();
let cauthor = CString::new(demuxer_info.author).unwrap();
let cinput_format = CString::new(demuxer_info.input_formats).unwrap();
let coutput_formats = CString::new(demuxer_info.output_formats).unwrap();
unsafe {
gst_rs_demuxer_register(plugin.as_ptr(),
@ -532,7 +530,7 @@ pub fn demuxer_register(plugin: &Plugin, demuxer_info: &DemuxerInfo) {
cauthor.as_ptr(),
demuxer_info.rank,
demuxer_info.create_instance as *const c_void,
cinput_format.as_ptr(),
coutput_formats.as_ptr());
demuxer_info.input_caps.as_ptr(),
demuxer_info.output_caps.as_ptr());
}
}