law: allow per feature registration

Split plugin into features including
dynamic types which can be indiviually
registered during a static build.

More details here:

https://gitlab.freedesktop.org/gstreamer/gst-build/-/merge_requests/199
https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/661

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/merge_requests/876>

gst/law/alaw-decode.c

@@ -41,6 +41,8 @@ static GstFlowReturn gst_alaw_dec_handle_frame (GstAudioDecoder * dec,
 
 #define gst_alaw_dec_parent_class parent_class
 G_DEFINE_TYPE (GstALawDec, gst_alaw_dec, GST_TYPE_AUDIO_DECODER);
+GST_ELEMENT_REGISTER_DEFINE (alawdec, "alawdec", GST_RANK_PRIMARY,
+    GST_TYPE_ALAW_DEC);
 
 /* some day we might have defines in gstconfig.h that tell us about the
  * desired cpu/memory/binary size trade-offs */
@@ -111,6 +113,22 @@ alaw_to_s16 (guint8 a_val)
 
 #endif /* GST_ALAW_DEC_USE_TABLE */
 
+GstStaticPadTemplate alaw_dec_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("audio/x-raw, "
+        "format = (string) " GST_AUDIO_NE (S16) ", "
+        "layout = (string) interleaved, "
+        "rate = (int) [ 8000, 192000 ], " "channels = (int) [ 1, 2 ]")
+    );
+
+GstStaticPadTemplate alaw_dec_sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
+    GST_PAD_SINK,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("audio/x-alaw, "
+        "rate = [ 8000 , 192000 ], " "channels = [ 1 , 2 ]")
+    );
+
 static gboolean
 gst_alaw_dec_set_format (GstAudioDecoder * dec, GstCaps * caps)
 {

gst/law/alaw-decode.h

@@ -49,6 +49,8 @@ struct _GstALawDecClass {
 
 GType gst_alaw_dec_get_type(void);
 
+GST_ELEMENT_REGISTER_DECLARE (alawdec);
+
 G_END_DECLS
 
 #endif /* __GST_ALAW_DECODE_H__ */

gst/law/alaw-encode.c

@@ -28,6 +28,7 @@
 #endif
 
 #include <gst/audio/audio.h>
+
 #include "alaw-encode.h"
 
 GST_DEBUG_CATEGORY_STATIC (alaw_enc_debug);
@@ -37,6 +38,8 @@ extern GstStaticPadTemplate alaw_enc_src_factory;
 extern GstStaticPadTemplate alaw_enc_sink_factory;
 
 G_DEFINE_TYPE (GstALawEnc, gst_alaw_enc, GST_TYPE_AUDIO_ENCODER);
+GST_ELEMENT_REGISTER_DEFINE (alawenc, "alawenc", GST_RANK_PRIMARY,
+    GST_TYPE_ALAW_ENC);
 
 static gboolean gst_alaw_enc_start (GstAudioEncoder * audioenc);
 static gboolean gst_alaw_enc_set_format (GstAudioEncoder * enc,
@@ -302,6 +305,22 @@ s16_to_alaw (gint pcm_val)
 
 #endif /* GST_ALAW_ENC_USE_TABLE */
 
+GstStaticPadTemplate alaw_enc_sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
+    GST_PAD_SINK,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("audio/x-raw, "
+        "format = (string) " GST_AUDIO_NE (S16) ", "
+        "layout = (string) interleaved, "
+        "rate = (int) [ 8000, 192000 ], " "channels = (int) [ 1, 2 ]")
+    );
+
+GstStaticPadTemplate alaw_enc_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("audio/x-alaw, "
+        "rate = [ 8000 , 192000 ], " "channels = [ 1 , 2 ]")
+    );
+
 static gboolean
 gst_alaw_enc_start (GstAudioEncoder * audioenc)
 {

gst/law/alaw-encode.h

@@ -52,6 +52,8 @@ struct _GstALawEncClass {
 
 GType gst_alaw_enc_get_type(void);
 
+GST_ELEMENT_REGISTER_DECLARE (alawenc);
+
 G_END_DECLS
 
 #endif /* __GST_ALAW_ENCODE_H__ */

gst/law/alaw.c

@@ -25,48 +25,15 @@
 #include "alaw-encode.h"
 #include "alaw-decode.h"
 
-GstStaticPadTemplate alaw_dec_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
-    GST_PAD_SRC,
-    GST_PAD_ALWAYS,
-    GST_STATIC_CAPS ("audio/x-raw, "
-        "format = (string) " GST_AUDIO_NE (S16) ", "
-        "layout = (string) interleaved, "
-        "rate = (int) [ 8000, 192000 ], " "channels = (int) [ 1, 2 ]")
-    );
-
-GstStaticPadTemplate alaw_dec_sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
-    GST_PAD_SINK,
-    GST_PAD_ALWAYS,
-    GST_STATIC_CAPS ("audio/x-alaw, "
-        "rate = [ 8000 , 192000 ], " "channels = [ 1 , 2 ]")
-    );
-
-GstStaticPadTemplate alaw_enc_sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
-    GST_PAD_SINK,
-    GST_PAD_ALWAYS,
-    GST_STATIC_CAPS ("audio/x-raw, "
-        "format = (string) " GST_AUDIO_NE (S16) ", "
-        "layout = (string) interleaved, "
-        "rate = (int) [ 8000, 192000 ], " "channels = (int) [ 1, 2 ]")
-    );
-
-GstStaticPadTemplate alaw_enc_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
-    GST_PAD_SRC,
-    GST_PAD_ALWAYS,
-    GST_STATIC_CAPS ("audio/x-alaw, "
-        "rate = [ 8000 , 192000 ], " "channels = [ 1 , 2 ]")
-    );
-
 static gboolean
 plugin_init (GstPlugin * plugin)
 {
-  if (!gst_element_register (plugin, "alawenc",
+  gboolean ret = FALSE;
-          GST_RANK_PRIMARY, GST_TYPE_ALAW_ENC) ||
-      !gst_element_register (plugin, "alawdec",
-          GST_RANK_PRIMARY, GST_TYPE_ALAW_DEC))
-    return FALSE;
 
-  return TRUE;
+  ret |= GST_ELEMENT_REGISTER (alawenc, plugin);
+  ret |= GST_ELEMENT_REGISTER (alawdec, plugin);
+
+  return ret;
 }
 
 /* FIXME 0.11: merge alaw and mulaw into one plugin? */

gst/law/mulaw-decode.c

@@ -51,8 +51,32 @@ enum
   PROP_0
 };
 
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+#define INT_FORMAT "S16LE"
+#else
+#define INT_FORMAT "S16BE"
+#endif
+
+GstStaticPadTemplate mulaw_dec_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("audio/x-raw, "
+        "format = (string) " INT_FORMAT ", "
+        "layout = (string) interleaved, "
+        "rate = (int) [ 8000, 192000 ], " "channels = (int) [ 1, 2 ]")
+    );
+
+GstStaticPadTemplate mulaw_dec_sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
+    GST_PAD_SINK,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("audio/x-mulaw, "
+        "rate = [ 8000 , 192000 ], " "channels = [ 1 , 2 ]")
+    );
+
 #define gst_mulawdec_parent_class parent_class
 G_DEFINE_TYPE (GstMuLawDec, gst_mulawdec, GST_TYPE_AUDIO_DECODER);
+GST_ELEMENT_REGISTER_DEFINE (mulawdec, "mulawdec", GST_RANK_PRIMARY,
+    GST_TYPE_MULAWDEC);
 
 static gboolean
 gst_mulawdec_set_format (GstAudioDecoder * dec, GstCaps * caps)

gst/law/mulaw-decode.h

@@ -49,6 +49,7 @@ struct _GstMuLawDecClass
 };
 
 GType gst_mulawdec_get_type (void);
+GST_ELEMENT_REGISTER_DECLARE (mulawdec);
 
 G_END_DECLS
 #endif /* __GST_STEREO_H__ */

gst/law/mulaw-encode.c

@@ -35,6 +35,27 @@
 extern GstStaticPadTemplate mulaw_enc_src_factory;
 extern GstStaticPadTemplate mulaw_enc_sink_factory;
 
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN
+#define INT_FORMAT "S16LE"
+#else
+#define INT_FORMAT "S16BE"
+#endif
+
+GstStaticPadTemplate mulaw_enc_sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
+    GST_PAD_SINK,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("audio/x-raw, "
+        "format = (string) " INT_FORMAT ", "
+        "layout = (string) interleaved, "
+        "rate = (int) [ 8000, 192000 ], " "channels = (int) [ 1, 2 ]")
+    );
+
+GstStaticPadTemplate mulaw_enc_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("audio/x-mulaw, "
+        "rate = [ 8000 , 192000 ], " "channels = [ 1 , 2 ]")
+    );
 /* Stereo signals and args */
 enum
 {
@@ -57,6 +78,8 @@ static void gst_mulawenc_set_tags (GstMuLawEnc * mulawenc);
 
 #define gst_mulawenc_parent_class parent_class
 G_DEFINE_TYPE (GstMuLawEnc, gst_mulawenc, GST_TYPE_AUDIO_ENCODER);
+GST_ELEMENT_REGISTER_DEFINE (mulawenc, "mulawenc", GST_RANK_PRIMARY,
+    GST_TYPE_MULAWENC);
 
 /*static guint gst_stereo_signals[LAST_SIGNAL] = { 0 }; */
 

gst/law/mulaw-encode.h

@@ -53,5 +53,7 @@ struct _GstMuLawEncClass
 
 GType gst_mulawenc_get_type (void);
 
+GST_ELEMENT_REGISTER_DECLARE (mulawenc);
+
 G_END_DECLS
 #endif /* __GST_STEREO_H__ */

gst/law/mulaw.c

@@ -28,48 +28,15 @@
 #define INT_FORMAT "S16BE"
 #endif
 
-GstStaticPadTemplate mulaw_dec_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
-    GST_PAD_SRC,
-    GST_PAD_ALWAYS,
-    GST_STATIC_CAPS ("audio/x-raw, "
-        "format = (string) " INT_FORMAT ", "
-        "layout = (string) interleaved, "
-        "rate = (int) [ 8000, 192000 ], " "channels = (int) [ 1, 2 ]")
-    );
-
-GstStaticPadTemplate mulaw_dec_sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
-    GST_PAD_SINK,
-    GST_PAD_ALWAYS,
-    GST_STATIC_CAPS ("audio/x-mulaw, "
-        "rate = [ 8000 , 192000 ], " "channels = [ 1 , 2 ]")
-    );
-
-GstStaticPadTemplate mulaw_enc_sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
-    GST_PAD_SINK,
-    GST_PAD_ALWAYS,
-    GST_STATIC_CAPS ("audio/x-raw, "
-        "format = (string) " INT_FORMAT ", "
-        "layout = (string) interleaved, "
-        "rate = (int) [ 8000, 192000 ], " "channels = (int) [ 1, 2 ]")
-    );
-
-GstStaticPadTemplate mulaw_enc_src_factory = GST_STATIC_PAD_TEMPLATE ("src",
-    GST_PAD_SRC,
-    GST_PAD_ALWAYS,
-    GST_STATIC_CAPS ("audio/x-mulaw, "
-        "rate = [ 8000 , 192000 ], " "channels = [ 1 , 2 ]")
-    );
-
 static gboolean
 plugin_init (GstPlugin * plugin)
 {
-  if (!gst_element_register (plugin, "mulawenc",
+  gboolean ret = FALSE;
-          GST_RANK_PRIMARY, GST_TYPE_MULAWENC) ||
-      !gst_element_register (plugin, "mulawdec",
-          GST_RANK_PRIMARY, GST_TYPE_MULAWDEC))
-    return FALSE;
 
-  return TRUE;
+  ret |= GST_ELEMENT_REGISTER (mulawenc, plugin);
+  ret |= GST_ELEMENT_REGISTER (mulawdec, plugin);
+
+  return ret;
 }
 
 GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,