[Gstreamer-openmax] [PATCH 2/2] add gst-openmax registry (config file)
Stefan Kost
ensonic at hora-obscura.de
Fri Feb 26 12:37:57 PST 2010
hi rob,
thanks for the new patch.
Am 26.02.2010 20:31, schrieb Rob Clark:
> Configurable mapping between gst-openmax elements and OMX library-name and component-name via config file. The config file may even create multiple different elements with unique names
> using the same gst-openmax class but different OMX library-name and/or component-name. For example:
>
> ----
> omx_mp3dec_ti,
> type=GstOmxMp3Dec,
> library-name=libOMX_Core.so.0,
> component-name=OMX.TI.AUDIO.DECODE,
> component-role=audio_decode.dsp.mp3,
> rank=256;
>
> omx_mp3dec_nokia,
> type=GstOmxMp3Dec,
> library-name=libomxil_bellagio.so.0,
> component-name=OMX.nokia.audio_decode.mp3,
> rank=128;
> ----
>
> by default, the config file is stored in $HOME/.gstreamer-0.10/gst-openmax.conf, although if none is found a default config will be created.
> ---
Minor nitpick - this is not true anymore.
> omx/Makefile.am | 3 +-
> omx/gstomx.c | 348 ++++++++++++++++++++++++++++++++++++++--------
> omx/gstomx.h | 6 +
> omx/gstomx_base_filter.c | 31 +----
> omx/gstomx_base_filter.h | 2 -
> omx/gstomx_base_sink.c | 31 +----
> omx/gstomx_base_sink.h | 3 -
> omx/gstomx_base_src.c | 38 +-----
> omx/gstomx_base_src.h | 2 -
> omx/gstomx_conf.c | 217 +++++++++++++++++++++++++++++
> omx/gstomx_util.c | 9 +-
> omx/gstomx_util.h | 2 +-
> 12 files changed, 534 insertions(+), 158 deletions(-)
> create mode 100644 omx/gstomx_conf.c
>
> diff --git a/omx/Makefile.am b/omx/Makefile.am
> index 4a3fbf9..6ea9cf5 100644
> --- a/omx/Makefile.am
> +++ b/omx/Makefile.am
> @@ -18,7 +18,8 @@ libgstomx_la_SOURCES = gstomx.c gstomx.h \
> gstomx_vorbisdec.c gstomx_vorbisdec.h \
> gstomx_mp3dec.c gstomx_mp3dec.h \
> gstomx_base_sink.c gstomx_base_sink.h \
> - gstomx_audiosink.c gstomx_audiosink.h
> + gstomx_audiosink.c gstomx_audiosink.h \
> + gstomx_conf.c
>
> if EXPERIMENTAL
> libgstomx_la_SOURCES += gstomx_amrnbdec.c gstomx_amrnbdec.h \
> diff --git a/omx/gstomx.c b/omx/gstomx.c
> index 6756f54..6a53eda 100644
> --- a/omx/gstomx.c
> +++ b/omx/gstomx.c
> @@ -19,8 +19,12 @@
> *
> */
>
> +#include <string.h>
> +
> #include "config.h"
please keep "config.h" first.
>
> +#include <gst/gststructure.h>
> +
> #include "gstomx.h"
> #include "gstomx_dummy.h"
> #include "gstomx_mpeg4dec.h"
> @@ -59,90 +63,312 @@
>
> GST_DEBUG_CATEGORY (gstomx_debug);
>
> -typedef struct TableItem
> -{
> - const gchar *name;
> - const gchar *library_name;
> - const gchar *component_name;
> - guint rank;
> - GType (*get_type) (void);
> -} TableItem;
> -
> -static TableItem element_table[] =
> -{
> - { "omx_dummy", "libomxil-bellagio.so.0", "OMX.st.dummy", GST_RANK_NONE, gst_omx_dummy_get_type },
> - { "omx_mpeg4dec", "libomxil-bellagio.so.0", "OMX.st.video_decoder.mpeg4", GST_RANK_PRIMARY, gst_omx_mpeg4dec_get_type },
> - { "omx_h264dec", "libomxil-bellagio.so.0", "OMX.st.video_decoder.avc", GST_RANK_PRIMARY, gst_omx_h264dec_get_type },
> - { "omx_h263dec", "libomxil-bellagio.so.0", "OMX.st.video_decoder.h263", GST_RANK_PRIMARY, gst_omx_h263dec_get_type },
> - { "omx_wmvdec", "libomxil-bellagio.so.0", "OMX.st.video_decoder.wmv", GST_RANK_PRIMARY, gst_omx_wmvdec_get_type },
> - { "omx_mpeg4enc", "libomxil-bellagio.so.0", "OMX.st.video_encoder.mpeg4", GST_RANK_PRIMARY, gst_omx_mpeg4enc_get_type },
> - { "omx_h264enc", "libomxil-bellagio.so.0", "OMX.st.video_encoder.avc", GST_RANK_PRIMARY, gst_omx_h264enc_get_type },
> - { "omx_h263enc", "libomxil-bellagio.so.0", "OMX.st.video_encoder.h263", GST_RANK_PRIMARY, gst_omx_h263enc_get_type },
> - { "omx_vorbisdec", "libomxil-bellagio.so.0", "OMX.st.audio_decoder.ogg.single", GST_RANK_SECONDARY, gst_omx_vorbisdec_get_type },
> - { "omx_mp3dec", "libomxil-bellagio.so.0", "OMX.st.audio_decoder.mp3.mad", GST_RANK_PRIMARY, gst_omx_mp3dec_get_type },
> +static GstStructure *element_table = NULL;
> +
> +extern const gchar *default_config;
> +
> +static GType (*get_type[]) (void) = {
> + gst_omx_dummy_get_type,
> + gst_omx_mpeg4dec_get_type,
> + gst_omx_h264dec_get_type,
> + gst_omx_h263dec_get_type,
> + gst_omx_wmvdec_get_type,
> + gst_omx_mpeg4enc_get_type,
> + gst_omx_h264enc_get_type,
> + gst_omx_h263enc_get_type,
> + gst_omx_vorbisdec_get_type,
> + gst_omx_mp3dec_get_type,
> #ifdef EXPERIMENTAL
> - { "omx_mp2dec", "libomxil-bellagio.so.0", "OMX.st.audio_decoder.mp3.mad", GST_RANK_PRIMARY, gst_omx_mp2dec_get_type },
> - { "omx_amrnbdec", "libomxil-bellagio.so.0", "OMX.st.audio_decoder.amrnb", GST_RANK_PRIMARY, gst_omx_amrnbdec_get_type },
> - { "omx_amrnbenc", "libomxil-bellagio.so.0", "OMX.st.audio_encoder.amrnb", GST_RANK_PRIMARY, gst_omx_amrnbenc_get_type },
> - { "omx_amrwbdec", "libomxil-bellagio.so.0", "OMX.st.audio_decoder.amrwb", GST_RANK_PRIMARY, gst_omx_amrwbdec_get_type },
> - { "omx_amrwbenc", "libomxil-bellagio.so.0", "OMX.st.audio_encoder.amrwb", GST_RANK_PRIMARY, gst_omx_amrwbenc_get_type },
> - { "omx_aacdec", "libomxil-bellagio.so.0", "OMX.st.audio_decoder.aac", GST_RANK_PRIMARY, gst_omx_aacdec_get_type },
> - { "omx_aacenc", "libomxil-bellagio.so.0", "OMX.st.audio_encoder.aac", GST_RANK_PRIMARY, gst_omx_aacenc_get_type },
> - { "omx_adpcmdec", "libomxil-bellagio.so.0", "OMX.st.audio_decoder.adpcm", GST_RANK_PRIMARY, gst_omx_adpcmdec_get_type },
> - { "omx_adpcmenc", "libomxil-bellagio.so.0", "OMX.st.audio_encoder.adpcm", GST_RANK_PRIMARY, gst_omx_adpcmenc_get_type },
> - { "omx_g711dec", "libomxil-bellagio.so.0", "OMX.st.audio_decoder.g711", GST_RANK_PRIMARY, gst_omx_g711dec_get_type },
> - { "omx_g711enc", "libomxil-bellagio.so.0", "OMX.st.audio_encoder.g711", GST_RANK_PRIMARY, gst_omx_g711enc_get_type },
> - { "omx_g729dec", "libomxil-bellagio.so.0", "OMX.st.audio_decoder.g729", GST_RANK_PRIMARY, gst_omx_g729dec_get_type },
> - { "omx_g729enc", "libomxil-bellagio.so.0", "OMX.st.audio_encoder.g729", GST_RANK_PRIMARY, gst_omx_g729enc_get_type },
> - { "omx_ilbcdec", "libomxil-bellagio.so.0", "OMX.st.audio_decoder.ilbc", GST_RANK_PRIMARY, gst_omx_ilbcdec_get_type },
> - { "omx_ilbcenc", "libomxil-bellagio.so.0", "OMX.st.audio_encoder.ilbc", GST_RANK_PRIMARY, gst_omx_ilbcenc_get_type },
> - { "omx_jpegenc", "libomxil-bellagio.so.0", "OMX.st.image_encoder.jpeg", GST_RANK_PRIMARY, gst_omx_jpegenc_get_type },
> + gst_omx_mp2dec_get_type,
> + gst_omx_amrnbdec_get_type,
> + gst_omx_amrnbenc_get_type,
> + gst_omx_amrwbdec_get_type,
> + gst_omx_amrwbenc_get_type,
> + gst_omx_aacdec_get_type,
> + gst_omx_aacenc_get_type,
> + gst_omx_adpcmdec_get_type,
> + gst_omx_adpcmenc_get_type,
> + gst_omx_g711dec_get_type,
> + gst_omx_g711enc_get_type,
> + gst_omx_g729dec_get_type,
> + gst_omx_g729enc_get_type,
> + gst_omx_ilbcdec_get_type,
> + gst_omx_ilbcenc_get_type,
> + gst_omx_jpegenc_get_type,
> #endif /* EXPERIMENTAL */
> - { "omx_audiosink", "libomxil-bellagio.so.0", "OMX.st.alsa.alsasink", GST_RANK_NONE, gst_omx_audiosink_get_type },
> + gst_omx_audiosink_get_type,
> #ifdef EXPERIMENTAL
> - { "omx_videosink", "libomxil-bellagio.so.0", "OMX.st.videosink", GST_RANK_NONE, gst_omx_videosink_get_type },
> - { "omx_filereadersrc", "libomxil-bellagio.so.0", "OMX.st.audio_filereader", GST_RANK_NONE, gst_omx_filereadersrc_get_type },
> + gst_omx_videosink_get_type,
> + gst_omx_filereadersrc_get_type,
> #endif /* EXPERIMENTAL */
> - { "omx_volume", "libomxil-bellagio.so.0", "OMX.st.volume.component", GST_RANK_NONE, gst_omx_volume_get_type },
> - { NULL, NULL, NULL, 0, NULL },
> + gst_omx_volume_get_type,
> };
>
> +/* TODO: we can cache table w/ gst_plugin_{get,set}_cache_data..
> + */
> +static GstStructure *
> +get_element_table (void)
> +{
> + static volatile gsize gonce_data = 0;
> + if (g_once_init_enter (&gonce_data))
> + {
> + gchar *path;
> + gchar *config, *s;
> + GstStructure *element;
> +
> + path = g_strdup (g_getenv ("OMX_REGISTRY"));
> + if (!path)
> + {
> + path = g_build_filename (g_get_user_config_dir (),
> + "gst-openmax.conf", NULL);
> + }
> +
> + if (!g_file_get_contents (path, &config, NULL, NULL))
> + {
> + g_warning ("could not find config file '%s'.. using defaults!", path);
> + config = (gchar *) default_config;
> +
> + g_file_set_contents (path, config, -1, NULL);
> + }
> +
> + GST_DEBUG ("parsing config:\n%s", config);
> +
> + element_table = gst_structure_empty_new ("element_table");
> +
> + s = config;
> +
> + while ((element = gst_structure_from_string (s, &s)))
> + {
> + const gchar *element_name = gst_structure_get_name (element);
> + gst_structure_set (element_table,
> + element_name, GST_TYPE_STRUCTURE, element, NULL);
> + }
> +
> + if (config != default_config)
> + {
> + g_free (config);
> + }
> +
> + g_free (path);
> +
> + GST_DEBUG ("element_table=%"GST_PTR_FORMAT, element_table);
> +
> + g_once_init_leave (&gonce_data, 1);
> + }
> +
> + return element_table;
> +}
> +
> +static GstStructure *
> +get_element_entry (const gchar *element_name)
> +{
> + GstStructure *element_table = get_element_table ();
> + GstStructure *element;
> +
> + g_assert (gst_structure_get (element_table,
> + element_name, GST_TYPE_STRUCTURE, &element, NULL));
> +
asserts can be disabled.
gboolean have_field;
have_field = gst_structure_get (element_table,
element_name, GST_TYPE_STRUCTURE, &element, NULL);
g_assert (have_field);
> + return element;
> +}
> +
> +static const gchar *
> +get_element_name (gpointer object)
> +{
> + return g_type_name (G_OBJECT_TYPE (object));
> +}
=> G_OBJECT_TYPE_NAME(obj);
> +
> +/* register a new dynamic sub-class with the omx element as it's name..
> + * this gives us a way to use the same (for example) GstOmxMp3Dec
> + * element mapping to multiple different element names with different
> + * OMX library implementations and/or component names
> + */
> +static GType
> +create_subtype (GType type, const gchar *element_name)
> +{
> + GTypeQuery q;
> + GTypeInfo i = {0};
> +
> + g_type_query (type, &q);
> +
> + i.class_size = q.class_size;
> + i.instance_size = q.instance_size;
> +
> + return g_type_register_static (type, element_name, &i, 0);
> +}
> +
> static gboolean
> plugin_init (GstPlugin *plugin)
> {
> - GQuark library_name_quark;
> - GQuark component_name_quark;
> + gint i, cnt;
> + GstStructure *element_table;
> +
> GST_DEBUG_CATEGORY_INIT (gstomx_debug, "omx", 0, "gst-openmax");
> GST_DEBUG_CATEGORY_INIT (gstomx_util_debug, "omx_util", 0, "gst-openmax utility");
>
> - library_name_quark = g_quark_from_static_string ("library-name");
> - component_name_quark = g_quark_from_static_string ("component-name");
> + /* first, call all the _get_type() functions to ensure the types are
> + * registered:
> + */
> + for (i = 0; i < G_N_ELEMENTS (get_type); i++)
> + {
> + get_type[i] ();
> + }
> +
> + element_table = get_element_table ();
>
> g_omx_init ();
>
> + cnt = gst_structure_n_fields (element_table);
> + for (i = 0; i < cnt; i++)
> {
> - guint i;
> - for (i = 0; element_table[i].name; i++)
> + const gchar *element_name = gst_structure_nth_field_name (element_table, i);
> + GstStructure *element = get_element_entry (element_name);
> + const gchar *type_name;
> + GType type;
> + gint rank;
> +
> + GST_DEBUG ("element=%"GST_PTR_FORMAT, element);
> +
> + type_name = gst_structure_get_string (element, "type");
> + if (!type_name)
> {
> - TableItem *element;
> - GType type;
> -
> - element = &element_table[i];
> - type = element->get_type ();
> - g_type_set_qdata (type, library_name_quark, (gpointer) element->library_name);
> - g_type_set_qdata (type, component_name_quark, (gpointer) element->component_name);
> -
> - if (!gst_element_register (plugin, element->name, element->rank, type))
> - {
> - g_warning ("failed registering '%s'", element->name);
> - return FALSE;
> - }
> + g_warning ("malformed config file: missing 'type' for %s", element_name);
> + return FALSE;
> + }
> +
> + type = g_type_from_name (type_name);
> + if (!type)
> + {
> + g_warning ("malformed config file: invalid type '%s' for %s", type_name, element_name);
> + return FALSE;
> + }
> +
> + type = create_subtype (type, element_name);
> +
> + if (!gst_structure_get_int (element, "rank", &rank))
> + {
> + /* use default rank: */
> + rank = GST_RANK_NONE;
> + }
> +
> + if (!gst_element_register (plugin, element_name, rank, type))
> + {
> + g_warning ("failed registering '%s'", element_name);
> + return FALSE;
> }
> }
>
> return TRUE;
> }
>
> +/**
> + * g_omx_get_component_info:
> + * @object: the GstOmx object (ie. GstOmxBaseFilter, GstOmxBaseSrc, or
> + * GstOmxBaseSink).
> + * @library_name: library-name, returned by reference (or NULL)
> + * @component_name: component-name, returned by reference (or NULL)
> + *
> + * Get library-name and component-name for an element.
> + *
> + * note: this function will gain another parameter later when component-role
> + * is added
> + */
> +gboolean
> +g_omx_get_component_info (gpointer object,
> + gchar **library_name,
> + gchar **component_name)
> +{
> + gboolean ret = TRUE;
> + const gchar *element_name = get_element_name (object);
> + GstStructure *element = get_element_entry (element_name);
> +
> + g_assert (gst_structure_get (element_table,
> + element_name, GST_TYPE_STRUCTURE, &element, NULL));
> +
see above and more below (not commented specificaly).
> + /* initialize ptrs to NULL so that in error cases we can tell what needs
> + * to be freed:
> + */
> + if (library_name) *library_name = NULL;
> + if (component_name) *component_name = NULL;
> +
> + if (library_name)
> + {
> + const gchar *str = gst_structure_get_string (element, "library-name");
> + if (!str)
> + {
> + g_warning ("malformed config file: missing 'library-name' for %s", element_name);
> + ret = FALSE;
> + goto exit;
> + }
> + *library_name = g_strdup (str);
> + }
> +
> + if (component_name)
> + {
> + const gchar *str = gst_structure_get_string (element, "component-name");
> + if (!str)
> + {
> + g_warning ("malformed config file: missing 'component-name' for %s", element_name);
> + ret = FALSE;
> + goto exit;
> + }
> + *component_name = g_strdup (str);
> + }
> +
> +exit:
> +
> + /* if we failed, free any memory that might have been allocated:
> + */
> + if (!ret)
> + {
> + if (library_name) g_free (*library_name);
> + if (component_name) g_free (*component_name);
> + }
> +
> +
> + return ret;
> +}
> +
> +static gboolean
> +set_value_helper (GValue *value, gchar *str)
> +{
> + g_value_set_string (value, str);
> + return TRUE;
> +}
> +
> +/**
> + * g_omx_get_library_name_value:
> + * @object: the GstOmx object (ie. GstOmxBaseFilter, GstOmxBaseSrc, or
> + * GstOmxBaseSink).
> + * @val: the GValue to return the value through
> + *
> + * A helper to access the "library-name" as a GValue, mainly for
> + * get_property methods.
> + */
> +gboolean
> +g_omx_get_library_name_value (gpointer object, GValue *val)
> +{
> + gchar *str;
> + return g_omx_get_component_info (object, &str, NULL) &&
> + set_value_helper (val, str);
> +}
> +
> +/**
> + * g_omx_get_component_name_value:
> + * @object: the GstOmx object (ie. GstOmxBaseFilter, GstOmxBaseSrc, or
> + * GstOmxBaseSink).
> + * @val: the GValue to return the value through
> + *
> + * A helper to access the "component-name" as a GValue, mainly for
> + * get_property methods.
> + */
> +gboolean
> +g_omx_get_component_name_value (gpointer object, GValue *val)
> +{
> + gchar *str;
> + return g_omx_get_component_info (object, NULL, &str) &&
> + set_value_helper (val, str);
> +}
> +
> GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
> GST_VERSION_MINOR,
> "omx",
> diff --git a/omx/gstomx.h b/omx/gstomx.h
> index 7d5fa04..063437d 100644
> --- a/omx/gstomx.h
> +++ b/omx/gstomx.h
> @@ -30,6 +30,12 @@ GST_DEBUG_CATEGORY_EXTERN (gstomx_debug);
> GST_DEBUG_CATEGORY_EXTERN (gstomx_util_debug);
> #define GST_CAT_DEFAULT gstomx_debug
>
> +gboolean g_omx_get_component_info (gpointer object,
> + gchar **library_name,
> + gchar **component_name);
> +gboolean g_omx_get_library_name_value (gpointer object, GValue *val);
> +gboolean g_omx_get_component_name_value (gpointer object, GValue *val);
> +
> G_END_DECLS
>
> #endif /* GSTOMX_H */
> diff --git a/omx/gstomx_base_filter.c b/omx/gstomx_base_filter.c
> index b0353cb..2a30502 100644
> --- a/omx/gstomx_base_filter.c
> +++ b/omx/gstomx_base_filter.c
> @@ -115,7 +115,7 @@ change_state (GstElement *element,
> switch (transition)
> {
> case GST_STATE_CHANGE_NULL_TO_READY:
> - g_omx_core_init (core, self->omx_library, self->omx_component);
> + g_omx_core_init (core);
> if (core->omx_state != OMX_StateLoaded)
> {
> ret = GST_STATE_CHANGE_FAILURE;
> @@ -184,9 +184,6 @@ finalize (GObject *obj)
>
> g_omx_core_free (self->gomx);
>
> - g_free (self->omx_component);
> - g_free (self->omx_library);
> -
> g_mutex_free (self->ready_lock);
>
> G_OBJECT_CLASS (parent_class)->finalize (obj);
> @@ -204,14 +201,6 @@ set_property (GObject *obj,
>
> switch (prop_id)
> {
> - case ARG_COMPONENT_NAME:
> - g_free (self->omx_component);
> - self->omx_component = g_value_dup_string (value);
> - break;
> - case ARG_LIBRARY_NAME:
> - g_free (self->omx_library);
> - self->omx_library = g_value_dup_string (value);
> - break;
> case ARG_USE_TIMESTAMPS:
> self->use_timestamps = g_value_get_boolean (value);
> break;
> @@ -234,10 +223,10 @@ get_property (GObject *obj,
> switch (prop_id)
> {
> case ARG_COMPONENT_NAME:
> - g_value_set_string (value, self->omx_component);
> + g_omx_get_component_name_value (self, value);
> break;
> case ARG_LIBRARY_NAME:
> - g_value_set_string (value, self->omx_library);
> + g_omx_get_library_name_value (self, value);
> break;
> case ARG_USE_TIMESTAMPS:
> g_value_set_boolean (value, self->use_timestamps);
> @@ -271,12 +260,12 @@ type_class_init (gpointer g_class,
> g_object_class_install_property (gobject_class, ARG_COMPONENT_NAME,
> g_param_spec_string ("component-name", "Component name",
> "Name of the OpenMAX IL component to use",
> - NULL, G_PARAM_READWRITE));
> + NULL, G_PARAM_READABLE));
>
> g_object_class_install_property (gobject_class, ARG_LIBRARY_NAME,
> g_param_spec_string ("library-name", "Library name",
> "Name of the OpenMAX IL implementation library to use",
> - NULL, G_PARAM_READWRITE));
> + NULL, G_PARAM_READABLE));
>
> g_object_class_install_property (gobject_class, ARG_USE_TIMESTAMPS,
> g_param_spec_boolean ("use-timestamps", "Use timestamps",
> @@ -922,16 +911,6 @@ type_instance_init (GTypeInstance *instance,
> gst_element_add_pad (GST_ELEMENT (self), self->sinkpad);
> gst_element_add_pad (GST_ELEMENT (self), self->srcpad);
>
> - {
> - const char *tmp;
> - tmp = g_type_get_qdata (G_OBJECT_CLASS_TYPE (g_class),
> - g_quark_from_static_string ("library-name"));
> - self->omx_library = g_strdup (tmp);
> - tmp = g_type_get_qdata (G_OBJECT_CLASS_TYPE (g_class),
> - g_quark_from_static_string ("component-name"));
> - self->omx_component = g_strdup (tmp);
> - }
> -
> GST_LOG_OBJECT (self, "end");
> }
>
> diff --git a/omx/gstomx_base_filter.h b/omx/gstomx_base_filter.h
> index 4baf181..99b5d72 100644
> --- a/omx/gstomx_base_filter.h
> +++ b/omx/gstomx_base_filter.h
> @@ -48,8 +48,6 @@ struct GstOmxBaseFilter
> GOmxPort *in_port;
> GOmxPort *out_port;
>
> - char *omx_component;
> - char *omx_library;
> gboolean use_timestamps; /** @todo remove; timestamps should always be used */
> gboolean ready;
> GMutex *ready_lock;
> diff --git a/omx/gstomx_base_sink.c b/omx/gstomx_base_sink.c
> index c1a2076..7911167 100644
> --- a/omx/gstomx_base_sink.c
> +++ b/omx/gstomx_base_sink.c
> @@ -141,9 +141,6 @@ finalize (GObject *obj)
>
> g_omx_core_free (self->gomx);
>
> - g_free (self->omx_component);
> - g_free (self->omx_library);
> -
> G_OBJECT_CLASS (parent_class)->finalize (obj);
> }
>
> @@ -298,14 +295,6 @@ set_property (GObject *obj,
>
> switch (prop_id)
> {
> - case ARG_COMPONENT_NAME:
> - g_free (self->omx_component);
> - self->omx_component = g_value_dup_string (value);
> - break;
> - case ARG_LIBRARY_NAME:
> - g_free (self->omx_library);
> - self->omx_library = g_value_dup_string (value);
> - break;
> default:
> G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, prop_id, pspec);
> break;
> @@ -325,10 +314,10 @@ get_property (GObject *obj,
> switch (prop_id)
> {
> case ARG_COMPONENT_NAME:
> - g_value_set_string (value, self->omx_component);
> + g_omx_get_component_name_value (self, value);
> break;
> case ARG_LIBRARY_NAME:
> - g_value_set_string (value, self->omx_library);
> + g_omx_get_library_name_value (self, value);
> break;
> default:
> G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, prop_id, pspec);
> @@ -366,12 +355,12 @@ type_class_init (gpointer g_class,
> g_object_class_install_property (gobject_class, ARG_COMPONENT_NAME,
> g_param_spec_string ("component-name", "Component name",
> "Name of the OpenMAX IL component to use",
> - NULL, G_PARAM_READWRITE));
> + NULL, G_PARAM_READABLE));
>
> g_object_class_install_property (gobject_class, ARG_LIBRARY_NAME,
> g_param_spec_string ("library-name", "Library name",
> "Name of the OpenMAX IL implementation library to use",
> - NULL, G_PARAM_READWRITE));
> + NULL, G_PARAM_READABLE));
> }
> }
>
> @@ -420,7 +409,7 @@ activate_push (GstPad *pad,
> static inline gboolean
> omx_init (GstOmxBaseSink *self)
> {
> - g_omx_core_init (self->gomx, self->omx_library, self->omx_component);
> + g_omx_core_init (self->gomx);
>
> if (self->gomx->omx_error)
> return FALSE;
> @@ -468,16 +457,6 @@ type_instance_init (GTypeInstance *instance,
> }
>
> {
> - const char *tmp;
> - tmp = g_type_get_qdata (G_OBJECT_CLASS_TYPE (g_class),
> - g_quark_from_static_string ("library-name"));
> - self->omx_library = g_strdup (tmp);
> - tmp = g_type_get_qdata (G_OBJECT_CLASS_TYPE (g_class),
> - g_quark_from_static_string ("component-name"));
> - self->omx_component = g_strdup (tmp);
> - }
> -
> - {
> GstPad *sinkpad;
> self->sinkpad = sinkpad = GST_BASE_SINK_PAD (self);
> self->base_activatepush = GST_PAD_ACTIVATEPUSHFUNC (sinkpad);
> diff --git a/omx/gstomx_base_sink.h b/omx/gstomx_base_sink.h
> index 681e939..589c441 100644
> --- a/omx/gstomx_base_sink.h
> +++ b/omx/gstomx_base_sink.h
> @@ -46,9 +46,6 @@ struct GstOmxBaseSink
> GOmxCore *gomx;
> GOmxPort *in_port;
>
> - char *omx_component;
> - char *omx_library;
> -
> gboolean ready;
> GstPadActivateModeFunction base_activatepush;
> gboolean initialized;
> diff --git a/omx/gstomx_base_src.c b/omx/gstomx_base_src.c
> index 9b02b22..dd9767e 100644
> --- a/omx/gstomx_base_src.c
> +++ b/omx/gstomx_base_src.c
> @@ -67,7 +67,7 @@ start (GstBaseSrc *gst_base)
>
> GST_LOG_OBJECT (self, "begin");
>
> - g_omx_core_init (self->gomx, self->omx_library, self->omx_component);
> + g_omx_core_init (self->gomx);
> if (self->gomx->omx_error)
> return GST_STATE_CHANGE_FAILURE;
>
> @@ -106,9 +106,6 @@ finalize (GObject *obj)
>
> g_omx_core_free (self->gomx);
>
> - g_free (self->omx_component);
> - g_free (self->omx_library);
> -
> G_OBJECT_CLASS (parent_class)->finalize (obj);
> }
>
> @@ -362,20 +359,6 @@ set_property (GObject *obj,
>
> switch (prop_id)
> {
> - case ARG_COMPONENT_NAME:
> - if (self->omx_component)
> - {
> - g_free (self->omx_component);
> - }
> - self->omx_component = g_value_dup_string (value);
> - break;
> - case ARG_LIBRARY_NAME:
> - if (self->omx_library)
> - {
> - g_free (self->omx_library);
> - }
> - self->omx_library = g_value_dup_string (value);
> - break;
> default:
> G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, prop_id, pspec);
> break;
> @@ -395,10 +378,10 @@ get_property (GObject *obj,
> switch (prop_id)
> {
> case ARG_COMPONENT_NAME:
> - g_value_set_string (value, self->omx_component);
> + g_omx_get_component_name_value (self, value);
> break;
> case ARG_LIBRARY_NAME:
> - g_value_set_string (value, self->omx_library);
> + g_omx_get_library_name_value (self, value);
> break;
> default:
> G_OBJECT_WARN_INVALID_PROPERTY_ID (obj, prop_id, pspec);
> @@ -433,12 +416,12 @@ type_class_init (gpointer g_class,
> g_object_class_install_property (gobject_class, ARG_COMPONENT_NAME,
> g_param_spec_string ("component-name", "Component name",
> "Name of the OpenMAX IL component to use",
> - NULL, G_PARAM_READWRITE));
> + NULL, G_PARAM_READABLE));
>
> g_object_class_install_property (gobject_class, ARG_LIBRARY_NAME,
> g_param_spec_string ("library-name", "Library name",
> "Name of the OpenMAX IL implementation library to use",
> - NULL, G_PARAM_READWRITE));
> + NULL, G_PARAM_READABLE));
> }
> }
>
> @@ -459,17 +442,6 @@ type_instance_init (GTypeInstance *instance,
> gomx->object = self;
> }
>
> - {
> - const char *tmp;
> - tmp = g_type_get_qdata (G_OBJECT_CLASS_TYPE (g_class),
> - g_quark_from_static_string ("library-name"));
> - self->omx_library = g_strdup (tmp);
> - tmp = g_type_get_qdata (G_OBJECT_CLASS_TYPE (g_class),
> - g_quark_from_static_string ("component-name"));
> - self->omx_component = g_strdup (tmp);
> - }
> -
> -
> GST_LOG_OBJECT (self, "end");
> }
>
> diff --git a/omx/gstomx_base_src.h b/omx/gstomx_base_src.h
> index 85e4c13..adab894 100644
> --- a/omx/gstomx_base_src.h
> +++ b/omx/gstomx_base_src.h
> @@ -44,8 +44,6 @@ struct GstOmxBaseSrc
> GOmxCore *gomx;
> GOmxPort *out_port;
>
> - char *omx_component;
> - char *omx_library;
> GstOmxBaseSrcCb setup_ports;
> };
>
> diff --git a/omx/gstomx_conf.c b/omx/gstomx_conf.c
> new file mode 100644
> index 0000000..d25c173
> --- /dev/null
> +++ b/omx/gstomx_conf.c
> @@ -0,0 +1,217 @@
> +/*
> + * Copyright (C) 2010 Texas Instruments, Incorporated
> + * Copyright (C) 2007-2010 Nokia Corporation.
> + *
> + * This library is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU Lesser General Public
> + * License as published by the Free Software Foundation
> + * version 2.1 of the License.
> + *
> + * This library is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> + * Lesser General Public License for more details.
> + *
> + * You should have received a copy of the GNU Lesser General Public
> + * License along with this library; if not, write to the Free Software
> + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
> + *
> + */
> +
> +#include <glib.h>
> +
> +#include "config.h"
> +
> +const gchar * default_config =
> +"\n"
> +"omx_dummy,\n"
> +" type=GstOmxDummy,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.dummy,\n"
> +" rank=0;\n"
> +"\n"
> +/* for testing: */
> +"omx_dummy_2,\n"
> +" type=GstOmxDummy,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.dummy2,\n"
> +" rank=256;\n"
> +"\n"
> +"omx_mpeg4dec,\n"
> +" type=GstOmxMpeg4Dec,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.video_decoder.mpeg4,\n"
> +" rank=256;\n"
> +"\n"
> +"omx_h264dec,\n"
> +" type=GstOmxH264Dec,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.video_decoder.avc,\n"
> +" rank=256;\n"
> +"\n"
> +"omx_h263dec,\n"
> +" type=GstOmxH263Dec,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.video_decoder.h263,\n"
> +" rank=256;\n"
> +"\n"
> +"omx_wmvdec,\n"
> +" type=GstOmxWmvDec,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.video_decoder.wmv,\n"
> +" rank=256;\n"
> +"\n"
> +"omx_mpeg4enc,\n"
> +" type=GstOmxMpeg4Enc,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.video_encoder.mpeg4,\n"
> +" rank=256;\n"
> +"\n"
> +"omx_h264enc,\n"
> +" type=GstOmxH264Enc,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.video_encoder.avc,\n"
> +" rank=256;\n"
> +"\n"
> +"omx_h263enc,\n"
> +" type=GstOmxH263Enc,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.video_encoder.h263,\n"
> +" rank=256;\n"
> +"\n"
> +"omx_vorbisdec,\n"
> +" type=GstOmxVorbisDec,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.audio_decoder.ogg.single,\n"
> +" rank=128;\n"
> +"\n"
> +"omx_mp3dec,\n"
> +" type=GstOmxMp3Dec,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.audio_decoder.mp3.mad,\n"
> +" rank=256;\n"
> +"\n"
> +#ifdef EXPERIMENTAL
> +"omx_mp2dec,\n"
> +" type=GstOmxMp2Dec,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.audio_decoder.mp3.mad,\n"
> +" rank=256;\n"
> +"\n"
> +"omx_amrnbdec,\n"
> +" type=GstOmxAmrNbDec,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.audio_decoder.amrnb,\n"
> +" rank=256;\n"
> +"\n"
> +"omx_amrnbenc,\n"
> +" type=GstOmxAmrNbEnc,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.audio_encoder.amrnb,\n"
> +" rank=256;\n"
> +"\n"
> +"omx_amrwbdec,\n"
> +" type=GstOmxAmrWbDec,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.audio_decoder.amrwb,\n"
> +" rank=256;\n"
> +"\n"
> +"omx_amrwbenc,\n"
> +" type=GstOmxAmrWbEnc,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.audio_encoder.amrwb,\n"
> +" rank=256;\n"
> +"\n"
> +"omx_aacdec,\n"
> +" type=GstOmxAacDec,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.audio_decoder.aac,\n"
> +" rank=256;\n"
> +"\n"
> +"omx_aacenc,\n"
> +" type=GstOmxAacEnc,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.audio_encoder.aac,\n"
> +" rank=256;\n"
> +"\n"
> +"omx_adpcmdec,\n"
> +" type=GstOmxAdpcmDec,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.audio_decoder.adpcm,\n"
> +" rank=256;\n"
> +"\n"
> +"omx_adpcmenc,\n"
> +" type=GstOmxAdpcmEnc,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.audio_encoder.adpcm,\n"
> +" rank=256;\n"
> +"\n"
> +"omx_g711dec,\n"
> +" type=GstOmxG711Dec,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.audio_decoder.g711,\n"
> +" rank=256;\n"
> +"\n"
> +"omx_g711enc,\n"
> +" type=GstOmxG711Enc,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.audio_encoder.g711,\n"
> +" rank=256;\n"
> +"\n"
> +"omx_g729dec,\n"
> +" type=GstOmxG729Dec,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.audio_decoder.g729,\n"
> +" rank=256;\n"
> +"\n"
> +"omx_g729enc,\n"
> +" type=GstOmxG729Enc,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.audio_encoder.g729,\n"
> +" rank=256;\n"
> +"\n"
> +"omx_ilbcdec,\n"
> +" type=GstOmxIlbcDec,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.audio_decoder.ilbc,\n"
> +" rank=256;\n"
> +"\n"
> +"omx_ilbcenc,\n"
> +" type=GstOmxIlbcEnc,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.audio_encoder.ilbc,\n"
> +" rank=256;\n"
> +"\n"
> +"omx_jpegenc,\n"
> +" type=GstOmxJpegEnc,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.image_encoder.jpeg,\n"
> +" rank=256;\n"
> +"\n"
> +#endif /* EXPERIMENTAL */
> +"omx_audiosink,\n"
> +" type=GstOmxAudioSink,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.alsa.alsasink,\n"
> +" rank=0;\n"
> +"\n"
> +#ifdef EXPERIMENTAL
> +"omx_videosink,\n"
> +" type=GstOmxVideoSink,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.videosink,\n"
> +" rank=0;\n"
> +"\n"
> +"omx_filereadersrc,\n"
> +" type=GstOmxFilereaderSrc,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.audio_filereader,\n"
> +" rank=0;\n"
> +"\n"
> +#endif /* EXPERIMENTAL */
> +"omx_volume,\n"
> +" type=GstOmxVolume,\n"
> +" library-name=libomxil-bellagio.so.0,\n"
> +" component-name=OMX.st.volume.component,\n"
> +" rank=0;\n"
> +;
> diff --git a/omx/gstomx_util.c b/omx/gstomx_util.c
> index 39d900b..c429738 100644
> --- a/omx/gstomx_util.c
> +++ b/omx/gstomx_util.c
> @@ -301,10 +301,13 @@ g_omx_core_free (GOmxCore *core)
> }
>
> void
> -g_omx_core_init (GOmxCore *core,
> - const gchar *library_name,
> - const gchar *component_name)
> +g_omx_core_init (GOmxCore *core)
> {
> + gchar *library_name, *component_name;
> +
> + g_assert (g_omx_get_component_info (core->object,
> + &library_name, &component_name));
> +
> core->imp = request_imp (library_name);
>
> if (!core->imp)
> diff --git a/omx/gstomx_util.h b/omx/gstomx_util.h
> index f0cf045..c3ac441 100644
> --- a/omx/gstomx_util.h
> +++ b/omx/gstomx_util.h
> @@ -116,7 +116,7 @@ void g_omx_deinit (void);
>
> GOmxCore *g_omx_core_new (void);
> void g_omx_core_free (GOmxCore *core);
> -void g_omx_core_init (GOmxCore *core, const gchar *library_name, const gchar *component_name);
> +void g_omx_core_init (GOmxCore *core);
> void g_omx_core_deinit (GOmxCore *core);
> void g_omx_core_prepare (GOmxCore *core);
> void g_omx_core_start (GOmxCore *core);
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