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resindvdbin: Refactor audio decoder and add a (MPEG) video decoder

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This commit is contained in:
Sebastian Dröge 2009-10-01 14:36:23 +02:00
parent 3fe4b2106d
commit e998a22d0c
2 changed files with 247 additions and 115 deletions
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323
ext/resindvd/rsnaudiodec.c
View file

@ -1,5 +1,6 @@
/* GStreamer
* Copyright (C) <2009> Jan Schmidt <thaytan@noraisin.net>
* Copyright (C) <2009> Sebastian Dröge <sebastian.droege@collabora.co.uk>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@ -25,96 +26,36 @@
#include "rsnaudiodec.h"
GST_DEBUG_CATEGORY_STATIC (rsn_audiodec_debug);
#define GST_CAT_DEFAULT rsn_audiodec_debug
GST_DEBUG_CATEGORY_STATIC (rsn_dec_debug);
#define GST_CAT_DEFAULT rsn_dec_debug
static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/mpeg,mpegversion=(int)1;"
"audio/x-private1-lpcm;"
"audio/x-private1-ac3;" "audio/ac3;" "audio/x-ac3;"
"audio/x-private1-dts;")
);
static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-raw-float, "
"rate = (int) [ 1, MAX ], "
"channels = (int) [ 1, MAX ], "
"endianness = (int) BYTE_ORDER, "
"width = (int) { 32, 64 }; "
"audio/x-raw-int, "
"rate = (int) [ 1, MAX ], "
"channels = (int) [ 1, MAX ], "
"endianness = (int) BYTE_ORDER, "
"width = (int) 32, "
"depth = (int) 32, "
"signed = (boolean) true; "
"audio/x-raw-int, "
"rate = (int) [ 1, MAX ], "
"channels = (int) [ 1, MAX ], "
"endianness = (int) BYTE_ORDER, "
"width = (int) 24, "
"depth = (int) 24, "
"signed = (boolean) true; "
"audio/x-raw-int, "
"rate = (int) [ 1, MAX ], "
"channels = (int) [ 1, MAX ], "
"endianness = (int) BYTE_ORDER, "
"width = (int) 16, "
"depth = (int) 16, "
"signed = (boolean) true; "
"audio/x-raw-int, "
"rate = (int) [ 1, MAX ], "
"channels = (int) [ 1, MAX ], "
"endianness = (int) BYTE_ORDER, "
"width = (int) 8, " "depth = (int) 8, " "signed = (boolean) true")
);
G_DEFINE_TYPE (RsnAudioDec, rsn_audiodec, GST_TYPE_BIN);
static GstStateChangeReturn rsn_audiodec_change_state (GstElement * element,
static GstStateChangeReturn rsn_dec_change_state (GstElement * element,
GstStateChange transition);
static void rsn_audiodec_dispose (GObject * gobj);
static void cleanup_child (RsnAudioDec * self);
static void rsn_dec_dispose (GObject * gobj);
static void cleanup_child (RsnDec * self);
static GList *decoder_factories = NULL;
static GstCaps *decoder_caps = NULL;
static GstBinClass *rsn_dec_parent_class = NULL;
static void
rsn_audiodec_class_init (RsnAudioDecClass * klass)
rsn_dec_class_init (RsnDecClass * klass)
{
static GstElementDetails element_details = {
"RsnAudioDec",
"Audio/Decoder",
"Resin DVD audio stream decoder",
"Jan Schmidt <thaytan@noraisin.net>"
};
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GST_DEBUG_CATEGORY_INIT (rsn_audiodec_debug, "rsnaudiodec",
0, "Resin DVD audio stream decoder");
GST_DEBUG_CATEGORY_INIT (rsn_dec_debug, "rsndec",
0, "Resin DVD stream decoder");
object_class->dispose = rsn_audiodec_dispose;
rsn_dec_parent_class = (GstBinClass *) g_type_class_peek_parent (klass);
object_class->dispose = rsn_dec_dispose;
element_class->change_state = GST_DEBUG_FUNCPTR (rsn_audiodec_change_state);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&sink_template));
gst_element_class_set_details (element_class, &element_details);
element_class->change_state = GST_DEBUG_FUNCPTR (rsn_dec_change_state);
}
static gboolean
rsn_audiodec_sink_event (GstPad * pad, GstEvent * event)
rsn_dec_sink_event (GstPad * pad, GstEvent * event)
{
RsnAudioDec *self = RSN_AUDIODEC (gst_pad_get_parent (pad));
RsnDec *self = RSN_DEC (gst_pad_get_parent (pad));
gboolean ret = TRUE;
const GstStructure *s = gst_event_get_structure (event);
const gchar *name = (s ? gst_structure_get_name (s) : NULL);
@ -130,38 +71,40 @@ rsn_audiodec_sink_event (GstPad * pad, GstEvent * event)
}
static void
rsn_audiodec_init (RsnAudioDec * self)
rsn_dec_init (RsnDec * self, RsnDecClass * klass)
{
GstPadTemplate *templ;
templ = gst_static_pad_template_get (&sink_template);
templ =
gst_element_class_get_pad_template (GST_ELEMENT_CLASS (klass), "sink");
g_assert (templ != NULL);
self->sinkpad =
GST_GHOST_PAD_CAST (gst_ghost_pad_new_no_target_from_template ("sink",
templ));
gst_object_unref (templ);
self->sink_event_func = GST_PAD_EVENTFUNC (self->sinkpad);
gst_pad_set_event_function (GST_PAD_CAST (self->sinkpad),
GST_DEBUG_FUNCPTR (rsn_audiodec_sink_event));
templ = gst_static_pad_template_get (&src_template);
GST_DEBUG_FUNCPTR (rsn_dec_sink_event));
templ = gst_element_class_get_pad_template (GST_ELEMENT_CLASS (klass), "src");
g_assert (templ != NULL);
self->srcpad =
GST_GHOST_PAD_CAST (gst_ghost_pad_new_no_target_from_template ("src",
templ));
gst_object_unref (templ);
gst_element_add_pad (GST_ELEMENT (self), GST_PAD_CAST (self->sinkpad));
gst_element_add_pad (GST_ELEMENT (self), GST_PAD_CAST (self->srcpad));
}
static void
rsn_audiodec_dispose (GObject * object)
rsn_dec_dispose (GObject * object)
{
RsnAudioDec *self = (RsnAudioDec *) object;
RsnDec *self = (RsnDec *) object;
cleanup_child (self);
G_OBJECT_CLASS (rsn_audiodec_parent_class)->dispose (object);
G_OBJECT_CLASS (rsn_dec_parent_class)->dispose (object);
}
static gboolean
rsn_audiodec_set_child (RsnAudioDec * self, GstElement * new_child)
rsn_dec_set_child (RsnDec * self, GstElement * new_child)
{
GstPad *child_pad;
if (self->current_decoder) {
@ -200,14 +143,20 @@ rsn_audiodec_set_child (RsnAudioDec * self, GstElement * new_child)
}
static void
cleanup_child (RsnAudioDec * self)
cleanup_child (RsnDec * self)
{
GST_DEBUG_OBJECT (self, "Removing child element");
(void) rsn_audiodec_set_child (self, NULL);
(void) rsn_dec_set_child (self, NULL);
}
typedef struct
{
GstCaps *desired_caps;
GstCaps *decoder_caps;
} RsnDecFactoryFilterCtx;
static gboolean
rsnaudiodec_factory_filter (GstPluginFeature * feature, GstCaps * desired_caps)
rsndec_factory_filter (GstPluginFeature * feature, RsnDecFactoryFilterCtx * ctx)
{
GstElementFactory *factory;
guint rank;
@ -247,7 +196,7 @@ rsnaudiodec_factory_filter (GstPluginFeature * feature, GstCaps * desired_caps)
/* try to intersect the caps with the caps of the template */
tmpl_caps = gst_static_caps_get (&templ->static_caps);
intersect = gst_caps_intersect (desired_caps, tmpl_caps);
intersect = gst_caps_intersect (ctx->desired_caps, tmpl_caps);
gst_caps_unref (tmpl_caps);
/* check if the intersection is empty */
@ -255,9 +204,9 @@ rsnaudiodec_factory_filter (GstPluginFeature * feature, GstCaps * desired_caps)
GstCaps *new_dec_caps;
/* non empty intersection, we can use this element */
can_sink = TRUE;
new_dec_caps = gst_caps_union (decoder_caps, intersect);
gst_caps_unref (decoder_caps);
decoder_caps = new_dec_caps;
new_dec_caps = gst_caps_union (ctx->decoder_caps, intersect);
gst_caps_unref (ctx->decoder_caps);
ctx->decoder_caps = new_dec_caps;
}
gst_caps_unref (intersect);
}
@ -293,40 +242,43 @@ sort_by_ranks (GstPluginFeature * f1, GstPluginFeature * f2)
static gpointer
_get_decoder_factories (gpointer arg)
{
GstElement *element = arg;
GstElementClass *klass = arg;
GList *factories;
GstPadTemplate *templ =
gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (element),
GstPadTemplate *templ = gst_element_class_get_pad_template (klass,
"sink");
GstCaps *desired_caps = gst_pad_template_get_caps (templ);
RsnDecFactoryFilterCtx ctx = { NULL, };
ctx.desired_caps = gst_pad_template_get_caps (templ);
/* Set decoder caps to empty. Will be filled by the factory_filter */
decoder_caps = gst_caps_new_empty ();
ctx.decoder_caps = gst_caps_new_empty ();
factories = gst_default_registry_feature_filter (
(GstPluginFeatureFilter) rsnaudiodec_factory_filter, FALSE, desired_caps);
(GstPluginFeatureFilter) rsndec_factory_filter, FALSE, &ctx);
decoder_factories = g_list_sort (factories, (GCompareFunc) sort_by_ranks);
factories = g_list_sort (factories, (GCompareFunc) sort_by_ranks);
GST_DEBUG ("Available decoder caps %" GST_PTR_FORMAT, decoder_caps);
GST_DEBUG ("Available decoder caps %" GST_PTR_FORMAT, ctx.decoder_caps);
gst_caps_unref (ctx.decoder_caps);
return NULL;
return factories;
}
static GstStateChangeReturn
rsn_audiodec_change_state (GstElement * element, GstStateChange transition)
rsn_dec_change_state (GstElement * element, GstStateChange transition)
{
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS;
RsnAudioDec *self = RSN_AUDIODEC (element);
static GOnce gonce = G_ONCE_INIT;
RsnDec *self = RSN_DEC (element);
RsnDecClass *klass = RSN_DEC_GET_CLASS (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:{
GstElement *new_child;
const GList *decoder_factories;
new_child = gst_element_factory_make ("autoconvert", NULL);
g_once (&gonce, _get_decoder_factories, element);
decoder_factories = klass->get_decoder_factories (klass);
g_object_set (G_OBJECT (new_child), "factories", decoder_factories, NULL);
if (new_child == NULL || !rsn_audiodec_set_child (self, new_child))
if (new_child == NULL || !rsn_dec_set_child (self, new_child))
ret = GST_STATE_CHANGE_FAILURE;
break;
}
@ -339,7 +291,7 @@ rsn_audiodec_change_state (GstElement * element, GstStateChange transition)
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
ret =
GST_ELEMENT_CLASS (rsn_audiodec_parent_class)->change_state (element,
GST_ELEMENT_CLASS (rsn_dec_parent_class)->change_state (element,
transition);
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
@ -355,5 +307,162 @@ rsn_audiodec_change_state (GstElement * element, GstStateChange transition)
}
return ret;
}
GType
rsn_dec_get_type (void)
{
static volatile gsize type = 0;
if (g_once_init_enter (&type)) {
GType _type;
static const GTypeInfo type_info = {
sizeof (RsnDecClass),
NULL,
NULL,
(GClassInitFunc) rsn_dec_class_init,
NULL,
NULL,
sizeof (RsnDec),
0,
(GInstanceInitFunc) rsn_dec_init,
};
_type = g_type_register_static (GST_TYPE_BIN,
"RsnDec", &type_info, G_TYPE_FLAG_ABSTRACT);
g_once_init_leave (&type, _type);
}
return type;
}
/** Audio decoder subclass */
static GstStaticPadTemplate audio_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/mpeg,mpegversion=(int)1;"
"audio/x-private1-lpcm;"
"audio/x-private1-ac3;" "audio/ac3;" "audio/x-ac3;"
"audio/x-private1-dts;")
);
static GstStaticPadTemplate audio_src_template = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-raw-float, "
"rate = (int) [ 1, MAX ], "
"channels = (int) [ 1, MAX ], "
"endianness = (int) BYTE_ORDER, "
"width = (int) { 32, 64 }; "
"audio/x-raw-int, "
"rate = (int) [ 1, MAX ], "
"channels = (int) [ 1, MAX ], "
"endianness = (int) BYTE_ORDER, "
"width = (int) 32, "
"depth = (int) 32, "
"signed = (boolean) true; "
"audio/x-raw-int, "
"rate = (int) [ 1, MAX ], "
"channels = (int) [ 1, MAX ], "
"endianness = (int) BYTE_ORDER, "
"width = (int) 24, "
"depth = (int) 24, "
"signed = (boolean) true; "
"audio/x-raw-int, "
"rate = (int) [ 1, MAX ], "
"channels = (int) [ 1, MAX ], "
"endianness = (int) BYTE_ORDER, "
"width = (int) 16, "
"depth = (int) 16, "
"signed = (boolean) true; "
"audio/x-raw-int, "
"rate = (int) [ 1, MAX ], "
"channels = (int) [ 1, MAX ], "
"endianness = (int) BYTE_ORDER, "
"width = (int) 8, " "depth = (int) 8, " "signed = (boolean) true")
);
G_DEFINE_TYPE (RsnAudioDec, rsn_audiodec, RSN_TYPE_DEC);
static const GList *
rsn_audiodec_get_decoder_factories (RsnDecClass * klass)
{
static GOnce gonce = G_ONCE_INIT;
g_once (&gonce, _get_decoder_factories, klass);
return (const GList *) gonce.retval;
}
static void
rsn_audiodec_class_init (RsnAudioDecClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
RsnDecClass *dec_class = RSN_DEC_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&audio_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&audio_sink_template));
gst_element_class_set_details_simple (element_class, "RsnAudioDec",
"Audio/Decoder",
"Resin DVD audio stream decoder", "Jan Schmidt <thaytan@noraisin.net>");
dec_class->get_decoder_factories = rsn_audiodec_get_decoder_factories;
}
static void
rsn_audiodec_init (RsnAudioDec * self)
{
}
/** Video decoder subclass */
static GstStaticPadTemplate video_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/mpeg, "
"mpegversion = (int) [ 1, 2 ], " "systemstream = (bool) FALSE")
);
static GstStaticPadTemplate video_src_template = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-raw-yuv")
);
G_DEFINE_TYPE (RsnVideoDec, rsn_videodec, RSN_TYPE_DEC);
static const GList *
rsn_videodec_get_decoder_factories (RsnDecClass * klass)
{
static GOnce gonce = G_ONCE_INIT;
g_once (&gonce, _get_decoder_factories, klass);
return (const GList *) gonce.retval;
}
static void
rsn_videodec_class_init (RsnAudioDecClass * klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
RsnDecClass *dec_class = RSN_DEC_CLASS (klass);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&video_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&video_sink_template));
gst_element_class_set_details_simple (element_class, "RsnVideoDec",
"Video/Decoder",
"Resin DVD video stream decoder", "Jan Schmidt <thaytan@noraisin.net>");
dec_class->get_decoder_factories = rsn_videodec_get_decoder_factories;
}
static void
rsn_videodec_init (RsnVideoDec * self)
{
}

39
ext/resindvd/rsnaudiodec.h
View file

@ -17,25 +17,46 @@
* Boston, MA 02111-1307, USA.
*/
#ifndef __RSNAUDIODEC_H__
#define __RSNAUDIODEC_H__
#ifndef __RSNDEC_H__
#define __RSNDEC_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#define RSN_TYPE_DEC (rsn_dec_get_type())
#define RSN_DEC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),RSN_TYPE_DEC,RsnDec))
#define RSN_DEC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),RSN_TYPE_DEC,RsnDecClass))
#define RSN_IS_DEC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),RSN_TYPE_DEC))
#define RSN_IS_DEC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),RSN_TYPE_DEC))
#define RSN_DEC_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), RSN_TYPE_DEC, RsnDecClass))
#define RSN_TYPE_AUDIODEC (rsn_audiodec_get_type())
#define RSN_AUDIODEC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),RSN_TYPE_AUDIODEC,RsnAudioDec))
#define RSN_AUDIODEC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),RSN_TYPE_AUDIODEC,RsnAudioDecClass))
#define RSN_IS_AUDIODEC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),RSN_TYPE_AUDIODEC))
#define RSN_IS_AUDIODEC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),RSN_TYPE_AUDIODEC))
GType rsn_audiodec_get_type (void) G_GNUC_CONST;
#define RSN_TYPE_VIDEODEC (rsn_videodec_get_type())
#define RSN_VIDEODEC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),RSN_TYPE_VIDEODEC,RsnVideoDec))
#define RSN_VIDEODEC_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),RSN_TYPE_VIDEODEC,RsnVideoDecClass))
#define RSN_IS_VIDEODEC(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),RSN_TYPE_VIDEODEC))
#define RSN_IS_VIDEODEC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),RSN_TYPE_VIDEODEC))
typedef struct _RsnAudioDec RsnAudioDec;
typedef struct _RsnAudioDecClass RsnAudioDecClass;
GType rsn_dec_get_type (void) G_GNUC_CONST;
GType rsn_audiodec_get_type (void) G_GNUC_CONST;
GType rsn_videodec_get_type (void) G_GNUC_CONST;
struct _RsnAudioDec {
typedef struct _RsnDec RsnDec;
typedef struct _RsnDecClass RsnDecClass;
typedef struct _RsnDec RsnAudioDec;
typedef struct _RsnDecClass RsnAudioDecClass;
typedef struct _RsnDec RsnVideoDec;
typedef struct _RsnDecClass RsnVideoDecClass;
struct _RsnDec {
GstBin element;
/* Our sink and source pads */
@ -47,10 +68,12 @@ struct _RsnAudioDec {
GstElement *current_decoder;
};
struct _RsnAudioDecClass {
struct _RsnDecClass {
GstBinClass parent_class;
const GList * (*get_decoder_factories) (RsnDecClass *klass);
};
G_END_DECLS
#endif /* __RSNAUDIODEC_H__ */
#endif /* __RSNDEC_H__ */