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pbutils: New Discoverer utility

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Fixes #625944
This commit is contained in:
Edward Hervey 2010-09-20 11:22:32 +02:00
parent ff45b44e19
commit 30b3cf8823
9 changed files with 2660 additions and 6 deletions
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4
gst-libs/gst/Makefile.am
View file

@ -29,8 +29,10 @@ riff: tag audio
rtsp: sdp rtsp: sdp
pbutils: video
INDEPENDENT_SUBDIRS = \ INDEPENDENT_SUBDIRS = \
interfaces tag fft floatcast netbuffer pbutils rtp sdp video app interfaces tag fft floatcast netbuffer rtp sdp video app
.PHONY: independent-subdirs $(INDEPENDENT_SUBDIRS) .PHONY: independent-subdirs $(INDEPENDENT_SUBDIRS)

2
gst-libs/gst/pbutils/.gitignore vendored
View file

@ -1,2 +1,4 @@
pbutils-enumtypes.c pbutils-enumtypes.c
pbutils-enumtypes.h pbutils-enumtypes.h
pbutils-marshal.c
pbutils-marshal.h

23
gst-libs/gst/pbutils/Makefile.am
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@ -4,7 +4,8 @@ headers_pbutils = \
pbutils.h \ pbutils.h \
descriptions.h \ descriptions.h \
install-plugins.h \ install-plugins.h \
missing-plugins.h missing-plugins.h \
gstdiscoverer.h
# variables used for enum/marshal generation # variables used for enum/marshal generation
glib_enum_headers = $(headers_pbutils) glib_enum_headers = $(headers_pbutils)
@ -13,10 +14,12 @@ glib_gen_prefix = gst_install
glib_gen_basename = pbutils glib_gen_basename = pbutils
built_sources = \ built_sources = \
pbutils-enumtypes.c pbutils-enumtypes.c \
pbutils-marshal.c
built_headers = \ built_headers = \
pbutils-enumtypes.h pbutils-enumtypes.h \
pbutils-marshal.h
built_headers_configure = \ built_headers_configure = \
gstpluginsbaseversion.h gstpluginsbaseversion.h
@ -26,7 +29,9 @@ libgstpbutils_@GST_MAJORMINOR@_la_SOURCES = \
pbutils.c \ pbutils.c \
descriptions.c \ descriptions.c \
install-plugins.c \ install-plugins.c \
missing-plugins.c missing-plugins.c \
gstdiscoverer.c \
gstdiscoverer-types.c
nodist_libgstpbutils_@GST_MAJORMINOR@_la_SOURCES = \ nodist_libgstpbutils_@GST_MAJORMINOR@_la_SOURCES = \
$(built_sources) $(built_sources)
@ -36,8 +41,13 @@ libgstpbutils_@GST_MAJORMINOR@include_HEADERS = \
$(headers_pbutils) $(headers_pbutils)
nodist_libgstpbutils_@GST_MAJORMINOR@include_HEADERS = \ nodist_libgstpbutils_@GST_MAJORMINOR@include_HEADERS = \
$(built_headers) $(built_headers_configure) $(built_headers) $(built_headers_configure)
noinst_HEADERS = \
gstdiscoverer-private.h
EXTRA_DIST = pbutils-marshal.list
libgstpbutils_@GST_MAJORMINOR@_la_LIBADD = $(GST_LIBS) libgstpbutils_@GST_MAJORMINOR@_la_LIBADD = \
$(top_builddir)/gst-libs/gst/video/libgstvideo-@GST_MAJORMINOR@.la \
$(GST_LIBS)
libgstpbutils_@GST_MAJORMINOR@_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS) libgstpbutils_@GST_MAJORMINOR@_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS)
libgstpbutils_@GST_MAJORMINOR@_la_LDFLAGS = $(GST_LIB_LDFLAGS) $(GST_ALL_LDFLAGS) $(GST_LT_LDFLAGS) libgstpbutils_@GST_MAJORMINOR@_la_LDFLAGS = $(GST_LIB_LDFLAGS) $(GST_ALL_LDFLAGS) $(GST_LT_LDFLAGS)
@ -71,10 +81,12 @@ GstPbutils-@GST_MAJORMINOR@.gir: $(INTROSPECTION_SCANNER) libgstpbutils-@GST_MAJ
-I$(top_srcdir)/gst-libs \ -I$(top_srcdir)/gst-libs \
-I$(top_builddir)/gst-libs \ -I$(top_builddir)/gst-libs \
--add-include-path=`$(PKG_CONFIG) --variable=girdir gstreamer-0.10` \ --add-include-path=`$(PKG_CONFIG) --variable=girdir gstreamer-0.10` \
--add-include-path=$(srcdir)/../video \
--library=libgstpbutils-0.10.la \ --library=libgstpbutils-0.10.la \
--include=Gst-0.10 \ --include=Gst-0.10 \
--libtool="$(top_builddir)/libtool" \ --libtool="$(top_builddir)/libtool" \
--pkg gstreamer-0.10 \ --pkg gstreamer-0.10 \
--pkg gstreamer-video-@GST_MAJORMINOR@ \
--output $@ \ --output $@ \
$(gir_headers) \ $(gir_headers) \
$(gir_sources) $(gir_sources)
@ -91,6 +103,7 @@ typelibs_DATA = $(BUILT_GIRSOURCES:.gir=.typelib)
%.typelib: %.gir $(INTROSPECTION_COMPILER) %.typelib: %.gir $(INTROSPECTION_COMPILER)
$(AM_V_GEN)$(INTROSPECTION_COMPILER) \ $(AM_V_GEN)$(INTROSPECTION_COMPILER) \
--includedir=$(srcdir) \ --includedir=$(srcdir) \
--includedir=$(srcdir)/../video \
--includedir=$(builddir) \ --includedir=$(builddir) \
--includedir=`$(PKG_CONFIG) --variable=girdir gstreamer-0.10` \ --includedir=`$(PKG_CONFIG) --variable=girdir gstreamer-0.10` \
$(INTROSPECTION_COMPILER_OPTS) $< -o $(@F) $(INTROSPECTION_COMPILER_OPTS) $< -o $(@F)

83
gst-libs/gst/pbutils/gstdiscoverer-private.h Normal file
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@ -0,0 +1,83 @@
/* GStreamer
* Copyright (C) 2010 Edward Hervey <edward.hervey@collabora.co.uk>
* 2010 Nokia Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
struct _GstDiscovererStreamInfo {
GstMiniObject parent;
GstDiscovererStreamInfo *previous; /* NULL for starting points */
GstDiscovererStreamInfo *next; /* NULL for containers */
GstCaps *caps;
GstTagList *tags;
GstStructure *misc;
};
struct _GstDiscovererContainerInfo {
GstDiscovererStreamInfo parent;
GList *streams;
};
struct _GstDiscovererAudioInfo {
GstDiscovererStreamInfo parent;
guint channels;
guint sample_rate;
guint depth;
guint bitrate;
guint max_bitrate;
};
struct _GstDiscovererVideoInfo {
GstDiscovererStreamInfo parent;
guint width;
guint height;
guint depth;
guint framerate_num;
guint framerate_denom;
guint par_num;
guint par_denom;
gboolean interlaced;
guint bitrate;
guint max_bitrate;
gboolean is_image;
};
struct _GstDiscovererInfo {
GstMiniObject parent;
gchar *uri;
GstDiscovererResult result;
/* Sub-streams */
GstDiscovererStreamInfo *stream_info;
GList *stream_list;
/* Stream global information */
GstClockTime duration;
GstStructure *misc;
GstTagList *tags;
gpointer _reserved[GST_PADDING];
};

913
gst-libs/gst/pbutils/gstdiscoverer-types.c Normal file
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@ -0,0 +1,913 @@
/* GStreamer
* Copyright (C) 2010 Collabora Multimedia
* 2010 Nokia Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "pbutils.h"
#include "gstdiscoverer-private.h"
static GstDiscovererStreamInfo
* gst_discoverer_info_copy_int (GstDiscovererStreamInfo * info,
GHashTable * stream_map);
static GstDiscovererContainerInfo
* gst_stream_container_info_copy_int (GstDiscovererContainerInfo * ptr,
GHashTable * stream_map);
static GstDiscovererAudioInfo
* gst_discoverer_audio_info_copy_int (GstDiscovererAudioInfo * ptr);
static GstDiscovererVideoInfo
* gst_discoverer_video_info_copy_int (GstDiscovererVideoInfo * ptr);
/* Per-stream information */
G_DEFINE_TYPE (GstDiscovererStreamInfo, gst_discoverer_stream_info,
GST_TYPE_MINI_OBJECT);
static void
gst_discoverer_stream_info_init (GstDiscovererStreamInfo * info)
{
/* Nothing needs initialization */
}
static void
gst_discoverer_stream_info_finalize (GstDiscovererStreamInfo * info)
{
if (info->next)
gst_mini_object_unref ((GstMiniObject *) info->next);
if (info->caps)
gst_caps_unref (info->caps);
if (info->tags)
gst_tag_list_free (info->tags);
if (info->misc)
gst_structure_free (info->misc);
}
static GstDiscovererStreamInfo *
gst_discoverer_stream_info_copy (GstDiscovererStreamInfo * info)
{
return gst_discoverer_info_copy_int (info, NULL);
}
static void
gst_discoverer_stream_info_class_init (GstMiniObjectClass * klass)
{
klass->finalize =
(GstMiniObjectFinalizeFunction) gst_discoverer_stream_info_finalize;
klass->copy = (GstMiniObjectCopyFunction) gst_discoverer_stream_info_copy;
}
static GstDiscovererStreamInfo *
gst_discoverer_stream_info_new (void)
{
return (GstDiscovererStreamInfo *)
gst_mini_object_new (GST_TYPE_DISCOVERER_STREAM_INFO);
}
static GstDiscovererStreamInfo *
gst_discoverer_info_copy_int (GstDiscovererStreamInfo * info,
GHashTable * stream_map)
{
GstDiscovererStreamInfo *ret;
GType ltyp;
g_return_val_if_fail (info != NULL, NULL);
ltyp = G_TYPE_FROM_INSTANCE (info);
if (ltyp == GST_TYPE_DISCOVERER_CONTAINER_INFO) {
ret = (GstDiscovererStreamInfo *)
gst_stream_container_info_copy_int (
(GstDiscovererContainerInfo *) info, stream_map);
} else if (ltyp == GST_TYPE_DISCOVERER_AUDIO_INFO) {
ret = (GstDiscovererStreamInfo *)
gst_discoverer_audio_info_copy_int ((GstDiscovererAudioInfo *) info);
} else if (ltyp == GST_TYPE_DISCOVERER_VIDEO_INFO) {
ret = (GstDiscovererStreamInfo *)
gst_discoverer_video_info_copy_int ((GstDiscovererVideoInfo *) info);
} else
ret = gst_discoverer_stream_info_new ();
if (info->next) {
ret->next = gst_discoverer_info_copy_int (info->next, stream_map);
ret->next->previous = ret;
}
if (info->caps)
ret->caps = gst_caps_copy (info->caps);
if (info->tags)
ret->tags = gst_tag_list_copy (info->tags);
if (info->misc)
ret->misc = gst_structure_copy (info->misc);
if (stream_map)
g_hash_table_insert (stream_map, info, ret);
return ret;
}
/* Container information */
G_DEFINE_TYPE (GstDiscovererContainerInfo, gst_discoverer_container_info,
GST_TYPE_DISCOVERER_STREAM_INFO);
static void
gst_discoverer_container_info_init (GstDiscovererContainerInfo * info)
{
/* Nothing to initialize */
}
static GstDiscovererContainerInfo *
gst_discoverer_container_info_new (void)
{
return (GstDiscovererContainerInfo *)
gst_mini_object_new (GST_TYPE_DISCOVERER_CONTAINER_INFO);
}
static void
gst_discoverer_container_info_finalize (GstDiscovererContainerInfo * info)
{
GList *tmp;
for (tmp = ((GstDiscovererContainerInfo *) info)->streams; tmp;
tmp = tmp->next)
gst_mini_object_unref ((GstMiniObject *) tmp->data);
gst_discoverer_stream_info_list_free (info->streams);
gst_discoverer_stream_info_finalize ((GstDiscovererStreamInfo *) info);
}
static void
gst_discoverer_container_info_class_init (GstMiniObjectClass * klass)
{
klass->finalize =
(GstMiniObjectFinalizeFunction) gst_discoverer_container_info_finalize;
}
static GstDiscovererContainerInfo *
gst_stream_container_info_copy_int (GstDiscovererContainerInfo * ptr,
GHashTable * stream_map)
{
GstDiscovererContainerInfo *ret;
GList *tmp;
g_return_val_if_fail (ptr != NULL, NULL);
ret = gst_discoverer_container_info_new ();
for (tmp = ((GstDiscovererContainerInfo *) ptr)->streams; tmp;
tmp = tmp->next) {
GstDiscovererStreamInfo *subtop = gst_discoverer_info_copy_int (tmp->data,
stream_map);
ret->streams = g_list_append (ret->streams, subtop);
if (stream_map)
g_hash_table_insert (stream_map, tmp->data, subtop);
}
return ret;
}
/* Audio information */
G_DEFINE_TYPE (GstDiscovererAudioInfo, gst_discoverer_audio_info,
GST_TYPE_DISCOVERER_STREAM_INFO);
static void
gst_discoverer_audio_info_class_init (GstDiscovererAudioInfoClass * klass)
{
/* Nothing to initialize */
}
static void
gst_discoverer_audio_info_init (GstDiscovererAudioInfo * info)
{
/* Nothing to initialize */
}
static GstDiscovererAudioInfo *
gst_discoverer_audio_info_new (void)
{
return (GstDiscovererAudioInfo *)
gst_mini_object_new (GST_TYPE_DISCOVERER_AUDIO_INFO);
}
static GstDiscovererAudioInfo *
gst_discoverer_audio_info_copy_int (GstDiscovererAudioInfo * ptr)
{
GstDiscovererAudioInfo *ret;
ret = gst_discoverer_audio_info_new ();
ret->channels = ptr->channels;
ret->sample_rate = ptr->sample_rate;
ret->depth = ptr->depth;
ret->bitrate = ptr->bitrate;
ret->max_bitrate = ptr->max_bitrate;
return ret;
}
/* Video information */
G_DEFINE_TYPE (GstDiscovererVideoInfo, gst_discoverer_video_info,
GST_TYPE_DISCOVERER_STREAM_INFO);
static void
gst_discoverer_video_info_class_init (GstMiniObjectClass * klass)
{
/* Nothing to initialize */
}
static void
gst_discoverer_video_info_init (GstDiscovererVideoInfo * info)
{
/* Nothing to initialize */
}
static GstDiscovererVideoInfo *
gst_discoverer_video_info_new (void)
{
return (GstDiscovererVideoInfo *)
gst_mini_object_new (GST_TYPE_DISCOVERER_VIDEO_INFO);
}
static GstDiscovererVideoInfo *
gst_discoverer_video_info_copy_int (GstDiscovererVideoInfo * ptr)
{
GstDiscovererVideoInfo *ret;
ret = gst_discoverer_video_info_new ();
ret->width = ptr->width;
ret->height = ptr->height;
ret->depth = ptr->depth;
ret->framerate_num = ptr->framerate_num;
ret->framerate_denom = ptr->framerate_denom;
ret->par_num = ptr->par_num;
ret->par_denom = ptr->par_denom;
ret->interlaced = ptr->interlaced;
ret->bitrate = ptr->bitrate;
ret->max_bitrate = ptr->max_bitrate;
ret->is_image = ptr->is_image;
return ret;
}
/* Global stream information */
G_DEFINE_TYPE (GstDiscovererInfo, gst_discoverer_info, GST_TYPE_MINI_OBJECT);
static void
gst_discoverer_info_init (GstDiscovererInfo * info)
{
/* Nothing needs initialization */
}
static void
gst_discoverer_info_finalize (GstDiscovererInfo * info)
{
g_free (info->uri);
if (info->stream_info)
gst_mini_object_unref ((GstMiniObject *) info->stream_info);
if (info->misc)
gst_structure_free (info->misc);
g_list_free (info->stream_list);
if (info->tags)
gst_tag_list_free (info->tags);
}
static GstDiscovererInfo *
gst_discoverer_info_new (void)
{
return (GstDiscovererInfo *) gst_mini_object_new (GST_TYPE_DISCOVERER_INFO);
}
GstDiscovererInfo *
gst_discoverer_info_copy (GstDiscovererInfo * ptr)
{
GstDiscovererInfo *ret;
GHashTable *stream_map = g_hash_table_new (g_direct_hash, NULL);
GList *tmp;
g_return_val_if_fail (ptr != NULL, NULL);
ret = gst_discoverer_info_new ();
ret->uri = g_strdup (ptr->uri);
if (ptr->stream_info) {
ret->stream_info = gst_discoverer_info_copy_int (ptr->stream_info,
stream_map);
}
ret->duration = ptr->duration;
if (ptr->misc)
ret->misc = gst_structure_copy (ptr->misc);
/* We need to set up the new list of streams to correspond to old one. The
* list just contains a set of pointers to streams in the stream_info tree,
* so we keep a map of old stream info objects to the corresponding new
* ones and use that to figure out correspondence in stream_list. */
for (tmp = ptr->stream_list; tmp; tmp = tmp->next) {
GstDiscovererStreamInfo *old_stream = (GstDiscovererStreamInfo *) tmp->data;
GstDiscovererStreamInfo *new_stream = g_hash_table_lookup (stream_map,
old_stream);
g_assert (new_stream != NULL);
ret->stream_list = g_list_append (ret->stream_list, new_stream);
}
if (ptr->tags)
ret->tags = gst_tag_list_copy (ptr->tags);
g_hash_table_destroy (stream_map);
return ret;
}
static void
gst_discoverer_info_class_init (GstMiniObjectClass * klass)
{
klass->finalize =
(GstMiniObjectFinalizeFunction) gst_discoverer_info_finalize;
klass->copy = (GstMiniObjectCopyFunction) gst_discoverer_info_copy;
}
/**
* gst_discoverer_stream_info_list_free:
* @infos: a #GList of #GstDiscovererStreamInfo
*
* Decrements the reference count of all contained #GstDiscovererStreamInfo
* and fress the #GList.
*/
void
gst_discoverer_stream_info_list_free (GList * infos)
{
GList *tmp;
for (tmp = infos; tmp; tmp = tmp->next)
gst_discoverer_stream_info_unref ((GstDiscovererStreamInfo *) tmp->data);
g_list_free (infos);
}
/**
* gst_discoverer_info_get_streams:
* @info: a #GstDiscovererInfo
* @streamtype: a #GType of #GstDiscovererStreamInfo
*
* Finds the #GstDiscovererStreamInfo contained in @info that match the
* given @streamtype.
*
* Returns: A #GList of matching #GstDiscovererStreamInfo. The caller should
* free it with #gst_discoverer_stream_info_list_free.
*
* Since 0.10.31
*/
GList *
gst_discoverer_info_get_streams (GstDiscovererInfo * info, GType streamtype)
{
GList *tmp, *res = NULL;
for (tmp = info->stream_list; tmp; tmp = tmp->next) {
GstDiscovererStreamInfo *stmp = (GstDiscovererStreamInfo *) tmp->data;
if (G_TYPE_CHECK_INSTANCE_TYPE (stmp, streamtype))
res = g_list_append (res, gst_discoverer_stream_info_ref (stmp));
}
return res;
}
/**
* gst_discoverer_info_get_audio_streams:
* @info: a #GstDiscovererInfo
*
* Finds all the #GstDiscovererAudioInfo contained in @info
*
* Returns: A #GList of matching #GstDiscovererStreamInfo. The caller should
* free it with #gst_discoverer_stream_info_list_free.
*
* Since 0.10.31
*/
GList *
gst_discoverer_info_get_audio_streams (GstDiscovererInfo * info)
{
return gst_discoverer_info_get_streams (info, GST_TYPE_DISCOVERER_AUDIO_INFO);
}
/**
* gst_discoverer_info_get_video_streams:
* @info: a #GstDiscovererInfo
*
* Finds all the #GstDiscovererVideoInfo contained in @info
*
* Returns: A #GList of matching #GstDiscovererStreamInfo. The caller should
* free it with #gst_discoverer_stream_info_list_free.
*
* Since 0.10.31
*/
GList *
gst_discoverer_info_get_video_streams (GstDiscovererInfo * info)
{
return gst_discoverer_info_get_streams (info, GST_TYPE_DISCOVERER_VIDEO_INFO);
}
/**
* gst_discoverer_info_get_container_streams:
* @info: a #GstDiscovererInfo
*
* Finds all the #GstDiscovererContainerInfo contained in @info
*
* Returns: A #GList of matching #GstDiscovererStreamInfo. The caller should
* free it with #g_list_free.
*
* Since 0.10.31
*/
GList *
gst_discoverer_info_get_container_streams (GstDiscovererInfo * info)
{
return gst_discoverer_info_get_streams (info,
GST_TYPE_DISCOVERER_CONTAINER_INFO);
}
/**
* gst_discoverer_stream_info_get_stream_type_nick:
* @info: a #GstDiscovererStreamInfo
*
* Returns: a human readable name for the stream type of the given @info (ex : "audio",
* "container",...).
*
* Since 0.10.31
*/
const gchar *
gst_discoverer_stream_info_get_stream_type_nick (GstDiscovererStreamInfo * info)
{
if (GST_IS_DISCOVERER_CONTAINER_INFO (info))
return "container";
if (GST_IS_DISCOVERER_AUDIO_INFO (info))
return "audio";
if (GST_IS_DISCOVERER_VIDEO_INFO (info)) {
if (gst_discoverer_video_info_get_is_image (info))
return "video(image)";
else
return "video";
}
return "unknown";
}
/* ACCESSORS */
#define GENERIC_ACCESSOR_CODE(parent, casttype, parenttype, parentgtype, fieldname, type, failval) \
type parent##_get_##fieldname(parenttype info) { \
g_return_val_if_fail(G_TYPE_CHECK_INSTANCE_TYPE((info), parentgtype), failval); \
return ((casttype)info)->fieldname; \
}
/**
* gst_discoverer_stream_info_get_previous:
* @info: a #GstDiscovererStreamInfo
*
* Returns: the previous #GstDiscovererStreamInfo in a chain. %NULL for starting
* points. Unref with #gst_discoverer_stream_info_unref after usage.
*
* Since 0.10.31
*/
GstDiscovererStreamInfo *
gst_discoverer_stream_info_get_previous (GstDiscovererStreamInfo * info)
{
g_return_val_if_fail (GST_IS_DISCOVERER_STREAM_INFO (info), NULL);
if (info->previous)
return gst_discoverer_stream_info_ref (info->previous);
return NULL;
}
/**
* gst_discoverer_stream_info_get_next:
* @info: a #GstDiscovererStreamInfo
*
* Returns: the next #GstDiscovererStreamInfo in a chain. %NULL for final streams.
* Unref with #gst_discoverer_stream_info_unref after usage.
*
* Since 0.10.31
*/
GstDiscovererStreamInfo *
gst_discoverer_stream_info_get_next (GstDiscovererStreamInfo * info)
{
g_return_val_if_fail (GST_IS_DISCOVERER_STREAM_INFO (info), NULL);
if (info->next)
return gst_discoverer_stream_info_ref (info->next);
return NULL;
}
/**
* gst_discoverer_stream_info_get_caps:
* @info: a #GstDiscovererStreamInfo
*
* Returns: the #GstCaps of the stream. Unref with #gst_caps_unref after usage.
*
* Since 0.10.31
*/
GstCaps *
gst_discoverer_stream_info_get_caps (GstDiscovererStreamInfo * info)
{
g_return_val_if_fail (GST_IS_DISCOVERER_STREAM_INFO (info), NULL);
return gst_caps_ref (info->caps);
}
/**
* gst_discoverer_stream_info_get_tags:
* @info: a #GstDiscovererStreamInfo
*
* Returns: the tags contained in this stream. If you wish to use the tags after
* the life-time of @info you will need to copy them.
*
* Since 0.10.31
*/
const GstTagList *
gst_discoverer_stream_info_get_tags (GstDiscovererStreamInfo * info)
{
g_return_val_if_fail (GST_IS_DISCOVERER_STREAM_INFO (info), NULL);
return info->tags;
}
/**
* gst_discoverer_stream_info_get_misc:
* @info: a #GstDiscovererStreamInfo
*
* Returns: additional information regarding the stream (for example codec version,
* profile, etc..). If you wish to use the #GstStructure after the life-time of
* @info you will need to copy it.
*
* Since 0.10.31
*/
const GstStructure *
gst_discoverer_stream_info_get_misc (GstDiscovererStreamInfo * info)
{
g_return_val_if_fail (GST_IS_DISCOVERER_STREAM_INFO (info), NULL);
return info->misc;
}
/* GstDiscovererContainerInfo */
/**
* gst_discoverer_container_info_get_streams:
* @info: a #GstDiscovererStreamInfo
*
* Returns: the list of #GstDiscovererStreamInfo this container stream offers.
* Free with #gst_discoverer_stream_info_list_free after usage.
*
* Since 0.10.31
*/
GList *
gst_discoverer_container_info_get_streams (GstDiscovererStreamInfo * info)
{
GList *res = NULL, *tmp;
g_return_val_if_fail (GST_IS_DISCOVERER_CONTAINER_INFO (info), NULL);
for (tmp = GST_DISCOVERER_CONTAINER_INFO (info)->streams; tmp;
tmp = tmp->next)
res =
g_list_append (res,
gst_discoverer_stream_info_ref ((GstDiscovererStreamInfo *) tmp->data));
return res;
}
/* GstDiscovererAudioInfo */
#define AUDIO_INFO_ACCESSOR_CODE(fieldname, type, failval) \
GENERIC_ACCESSOR_CODE(gst_discoverer_audio_info, GstDiscovererAudioInfo*, \
GstDiscovererStreamInfo*, \
GST_TYPE_DISCOVERER_AUDIO_INFO, \
fieldname, type, failval)
/**
* gst_discoverer_audio_info_get_channels:
* @info: a #GstDiscovererStreamInfo
*
* Returns: the number of channels in the stream.
*
* Since 0.10.31
*/
AUDIO_INFO_ACCESSOR_CODE (channels, guint, 0);
/**
* gst_discoverer_audio_info_get_sample_rate:
* @info: a #GstDiscovererStreamInfo
*
* Returns: the sample rate of the stream in Hertz.
*
* Since 0.10.31
*/
AUDIO_INFO_ACCESSOR_CODE (sample_rate, guint, 0);
/**
* gst_discoverer_audio_info_get_depth:
* @info: a #GstDiscovererStreamInfo
*
* Returns: the number of bits used per sample in each channel.
*
* Since 0.10.31
*/
AUDIO_INFO_ACCESSOR_CODE (depth, guint, 0);
/**
* gst_discoverer_audio_info_get_bitrate:
* @info: a #GstDiscovererStreamInfo
*
* Returns: the average or nominal bitrate of the stream in bits/second.
*
* Since 0.10.31
*/
AUDIO_INFO_ACCESSOR_CODE (bitrate, guint, 0);
/**
* gst_discoverer_audio_info_get_max_bitrate:
* @info: a #GstDiscovererStreamInfo
*
* Returns: the maximum bitrate of the stream in bits/second.
*
* Since 0.10.31
*/
AUDIO_INFO_ACCESSOR_CODE (max_bitrate, guint, 0);
/* GstDiscovererVideoInfo */
#define VIDEO_INFO_ACCESSOR_CODE(fieldname, type, failval) \
GENERIC_ACCESSOR_CODE(gst_discoverer_video_info, GstDiscovererVideoInfo*, \
GstDiscovererStreamInfo*, \
GST_TYPE_DISCOVERER_VIDEO_INFO, \
fieldname, type, failval)
/**
* gst_discoverer_video_info_get_width:
* @info: a #GstDiscovererStreamInfo
*
* Returns: the width of the video stream in pixels.
*
* Since 0.10.31
*/
VIDEO_INFO_ACCESSOR_CODE (width, guint, 0);
/**
* gst_discoverer_video_info_get_height:
* @info: a #GstDiscovererStreamInfo
*
* Returns: the height of the video stream in pixels.
*
* Since 0.10.31
*/
VIDEO_INFO_ACCESSOR_CODE (height, guint, 0);
/**
* gst_discoverer_video_info_get_depth:
* @info: a #GstDiscovererStreamInfo
*
* Returns: the depth in bits of the video stream (only relevant for
* video streams).
*
* Since 0.10.31
*/
VIDEO_INFO_ACCESSOR_CODE (depth, guint, 0);
/**
* gst_discoverer_video_info_get_framerate_num:
* @info: a #GstDiscovererStreamInfo
*
* Returns: the framerate of the video stream (numerator).
*
* Since 0.10.31
*/
VIDEO_INFO_ACCESSOR_CODE (framerate_num, guint, 0);
/**
* gst_discoverer_video_info_get_framerate_denom:
* @info: a #GstDiscovererStreamInfo
*
* Returns: the framerate of the video stream (denominator).
*
* Since 0.10.31
*/
VIDEO_INFO_ACCESSOR_CODE (framerate_denom, guint, 0);
/**
* gst_discoverer_video_info_get_par_num:
* @info: a #GstDiscovererStreamInfo
*
* Returns: the Pixel Aspect Ratio (PAR) of the video stream (numerator).
*
* Since 0.10.31
*/
VIDEO_INFO_ACCESSOR_CODE (par_num, guint, 0);
/**
* gst_discoverer_video_info_get_par_denom:
* @info: a #GstDiscovererStreamInfo
*
* Returns: the Pixel Aspect Ratio (PAR) of the video stream (denominator).
*
* Since 0.10.31
*/
VIDEO_INFO_ACCESSOR_CODE (par_denom, guint, 0);
/**
* gst_discoverer_video_info_get_interlaced:
* @info: a #GstDiscovererStreamInfo
*
* Returns: %TRUE if the stream is interlaced, else %FALSE.
*
* Since 0.10.31
*/
VIDEO_INFO_ACCESSOR_CODE (interlaced, gboolean, FALSE);
/**
* gst_discoverer_video_info_get_bitrate:
* @info: a #GstDiscovererStreamInfo
*
* Returns: the average or nominal bitrate of the video stream in bits/second.
*
* Since 0.10.31
*/
VIDEO_INFO_ACCESSOR_CODE (bitrate, guint, 0);
/**
* gst_discoverer_video_info_get_max_bitrate:
* @info: a #GstDiscovererStreamInfo
*
* Returns: the maximum bitrate of the video stream in bits/second.
*
* Since 0.10.31
*/
VIDEO_INFO_ACCESSOR_CODE (max_bitrate, guint, 0);
/**
* gst_discoverer_video_info_get_is_image:
* @info: a #GstDiscovererStreamInfo
*
* Returns: #TRUE if the video stream corresponds to an image (i.e. only contains
* one frame).
*
* Since 0.10.31
*/
VIDEO_INFO_ACCESSOR_CODE (is_image, gboolean, FALSE);
/* GstDiscovererInfo */
#define DISCOVERER_INFO_ACCESSOR_CODE(fieldname, type, failval) \
GENERIC_ACCESSOR_CODE(gst_discoverer_info, GstDiscovererInfo*, \
GstDiscovererInfo*, \
GST_TYPE_DISCOVERER_INFO, \
fieldname, type, failval)
/**
* gst_discoverer_info_get_uri:
* @info: a #GstDiscovererInfo
*
* Returns: the URI to which this information corresponds to. Copy it if you
* wish to use it after the life-time of @info.
*
* Since 0.10.31
*/
DISCOVERER_INFO_ACCESSOR_CODE (uri, const gchar *, NULL);
/**
* gst_discoverer_info_get_result:
* @info: a #GstDiscovererInfo
*
* Returns: the result of the discovery as a #GstDiscovererResult.
*
* Since 0.10.31
*/
DISCOVERER_INFO_ACCESSOR_CODE (result, GstDiscovererResult, GST_DISCOVERER_OK);
/**
* gst_discoverer_info_get_stream_info:
* @info: a #GstDiscovererInfo
*
* Returns: the structure (or topology) of the URI as a #GstDiscovererStreamInfo.
* This structure can be traversed to see the original hierarchy. Unref with
* #gst_discoverer_stream_info_unref after usage.
*
* Since 0.10.31
*/
GstDiscovererStreamInfo *
gst_discoverer_info_get_stream_info (GstDiscovererInfo * info)
{
g_return_val_if_fail (GST_IS_DISCOVERER_INFO (info), NULL);
if (info->stream_info)
return gst_discoverer_stream_info_ref (info->stream_info);
return NULL;
}
/**
* gst_discoverer_info_get_stream_list:
* @info: a #GstDiscovererInfo
*
* Returns: the list of all streams contained in the #info. Free after usage
* with #gst_discoverer_stream_info_list_free.
*
* Since 0.10.31
*/
GList *
gst_discoverer_info_get_stream_list (GstDiscovererInfo * info)
{
GList *res = NULL, *tmp;
g_return_val_if_fail (GST_IS_DISCOVERER_INFO (info), NULL);
for (tmp = info->stream_list; tmp; tmp = tmp->next)
res =
g_list_append (res,
gst_discoverer_stream_info_ref ((GstDiscovererStreamInfo *) tmp->data));
return res;
}
/**
* gst_discoverer_info_get_duration:
* @info: a #GstDiscovererInfo
*
* Returns: the duration of the URI in #GstClockTime (nanoseconds).
*
* Since 0.10.31
*/
DISCOVERER_INFO_ACCESSOR_CODE (duration, GstClockTime, GST_CLOCK_TIME_NONE);
/**
* gst_discoverer_info_get_misc:
* @info: a #GstDiscovererInfo
*
* Returns: Miscellaneous information stored as a #GstStructure (for example:
* information about missing plugins). If you wish to use the #GstStructure
* after the life-time of @info, you will need to copy it.
*
* Since 0.10.31
*/
DISCOVERER_INFO_ACCESSOR_CODE (misc, const GstStructure *, NULL);
/**
* gst_discoverer_info_get_tags:
* @info: a #GstDiscovererInfo
*
* Returns: all tags contained in the %URI. If you wish to use the tags after
* the life-time of @info, you will need to copy them.
*
* Since 0.10.31
*/
DISCOVERER_INFO_ACCESSOR_CODE (tags, const GstTagList *, NULL);

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/* GStreamer
* Copyright (C) 2009 Edward Hervey <edward.hervey@collabora.co.uk>
* 2009 Nokia Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef _GST_DISCOVERER_H_
#define _GST_DISCOVERER_H_
#include <gst/gst.h>
G_BEGIN_DECLS
#define GST_TYPE_DISCOVERER_STREAM_INFO \
(gst_discoverer_stream_info_get_type ())
#define GST_DISCOVERER_STREAM_INFO(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DISCOVERER_STREAM_INFO, GstDiscovererStreamInfo))
#define GST_IS_DISCOVERER_STREAM_INFO(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DISCOVERER_STREAM_INFO))
typedef struct _GstDiscovererStreamInfo GstDiscovererStreamInfo;
typedef GstMiniObjectClass GstDiscovererStreamInfoClass;
GType gst_discoverer_stream_info_get_type (void);
/**
* GstDiscovererStreamInfo:
*
* Base structure for informations concerning a media stream. Depending on the @streamtype,
* One can find more media-specific information in #GstDiscovererAudioInfo,
* #GstDiscovererVideoInfo, #GstDiscovererContainerInfo.
*
* Since 0.10.31
*/
#define gst_discoverer_stream_info_ref(info) ((GstDiscovererStreamInfo*) gst_mini_object_ref((GstMiniObject*) info))
#define gst_discoverer_stream_info_unref(info) (gst_mini_object_unref((GstMiniObject*) info))
GstDiscovererStreamInfo* gst_discoverer_stream_info_get_previous(GstDiscovererStreamInfo* info);
GstDiscovererStreamInfo* gst_discoverer_stream_info_get_next(GstDiscovererStreamInfo* info);
GstCaps* gst_discoverer_stream_info_get_caps(GstDiscovererStreamInfo* info);
const GstTagList* gst_discoverer_stream_info_get_tags(GstDiscovererStreamInfo* info);
const GstStructure* gst_discoverer_stream_info_get_misc(GstDiscovererStreamInfo* info);
const gchar * gst_discoverer_stream_info_get_stream_type_nick(GstDiscovererStreamInfo* info);
/**
* GstDiscovererContainerInfo:
*
* #GstDiscovererStreamInfo specific to container streams.
*
* Since 0.10.31
*/
#define GST_TYPE_DISCOVERER_CONTAINER_INFO \
(gst_discoverer_container_info_get_type ())
#define GST_DISCOVERER_CONTAINER_INFO(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DISCOVERER_CONTAINER_INFO, GstDiscovererContainerInfo))
#define GST_IS_DISCOVERER_CONTAINER_INFO(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DISCOVERER_CONTAINER_INFO))
typedef struct _GstDiscovererContainerInfo GstDiscovererContainerInfo;
typedef GstMiniObjectClass GstDiscovererContainerInfoClass;
GType gst_discoverer_container_info_get_type (void);
GList *gst_discoverer_container_info_get_streams(GstDiscovererStreamInfo *info);
/**
* GstDiscovererAudioInfo:
*
* #GstDiscovererStreamInfo specific to audio streams.
*
* Since 0.10.31
*/
#define GST_TYPE_DISCOVERER_AUDIO_INFO \
(gst_discoverer_audio_info_get_type ())
#define GST_DISCOVERER_AUDIO_INFO(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DISCOVERER_AUDIO_INFO, GstDiscovererAudioInfo))
#define GST_IS_DISCOVERER_AUDIO_INFO(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DISCOVERER_AUDIO_INFO))
typedef struct _GstDiscovererAudioInfo GstDiscovererAudioInfo;
typedef GstMiniObjectClass GstDiscovererAudioInfoClass;
GType gst_discoverer_audio_info_get_type (void);
guint gst_discoverer_audio_info_get_channels(GstDiscovererStreamInfo* info);
guint gst_discoverer_audio_info_get_sample_rate(GstDiscovererStreamInfo* info);
guint gst_discoverer_audio_info_get_depth(GstDiscovererStreamInfo* info);
guint gst_discoverer_audio_info_get_bitrate(GstDiscovererStreamInfo* info);
guint gst_discoverer_audio_info_get_max_bitrate(GstDiscovererStreamInfo* info);
/**
* GstDiscovererVideoInfo:
*
* #GstDiscovererStreamInfo specific to video streams.
*
* Since 0.10.31
*/
#define GST_TYPE_DISCOVERER_VIDEO_INFO \
(gst_discoverer_video_info_get_type ())
#define GST_DISCOVERER_VIDEO_INFO(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DISCOVERER_VIDEO_INFO, GstDiscovererVideoInfo))
#define GST_IS_DISCOVERER_VIDEO_INFO(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DISCOVERER_VIDEO_INFO))
typedef struct _GstDiscovererVideoInfo GstDiscovererVideoInfo;
typedef GstMiniObjectClass GstDiscovererVideoInfoClass;
GType gst_discoverer_video_info_get_type (void);
guint gst_discoverer_video_info_get_width(GstDiscovererStreamInfo* info);
guint gst_discoverer_video_info_get_height(GstDiscovererStreamInfo* info);
guint gst_discoverer_video_info_get_depth(GstDiscovererStreamInfo* info);
guint gst_discoverer_video_info_get_framerate_num(GstDiscovererStreamInfo* info);
guint gst_discoverer_video_info_get_framerate_denom(GstDiscovererStreamInfo* info);
guint gst_discoverer_video_info_get_par_num(GstDiscovererStreamInfo* info);
guint gst_discoverer_video_info_get_par_denom(GstDiscovererStreamInfo* info);
gboolean gst_discoverer_video_info_get_interlaced(GstDiscovererStreamInfo* info);
guint gst_discoverer_video_info_get_bitrate(GstDiscovererStreamInfo* info);
guint gst_discoverer_video_info_get_max_bitrate(GstDiscovererStreamInfo* info);
gboolean gst_discoverer_video_info_get_is_image(GstDiscovererStreamInfo* info);
/**
* GstDiscovererResult:
* @GST_DISCOVERER_OK: The discovery was successful
* @GST_DISCOVERER_URI_INVALID: the URI is invalid
* @GST_DISCOVERER_ERROR: an error happened and the GError is set
* @GST_DISCOVERER_TIMEOUT: the discovery timed-out
* @GST_DISCOVERER_BUSY: the discoverer was already discovering a file
* @GST_DISCOVERER_MISSING_PLUGINS: Some plugins are missing for full discovery
*
* Result values for the discovery process.
*
* Since 0.10.31
*/
typedef enum {
GST_DISCOVERER_OK = 0,
GST_DISCOVERER_URI_INVALID = 1,
GST_DISCOVERER_ERROR = 2,
GST_DISCOVERER_TIMEOUT = 3,
GST_DISCOVERER_BUSY = 4,
GST_DISCOVERER_MISSING_PLUGINS = 5
} GstDiscovererResult;
/**
* GstDiscovererInfo:
*
* Structure containing the information of a URI analyzed by #GstDiscoverer.
*
* Since 0.10.31
*/
typedef struct _GstDiscovererInfo GstDiscovererInfo;
#define GST_TYPE_DISCOVERER_INFO \
(gst_discoverer_info_get_type ())
#define GST_DISCOVERER_INFO(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DISCOVERER_INFO, GstDiscovererInfo))
#define GST_IS_DISCOVERER_INFO(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DISCOVERER_INFO))
typedef GstMiniObjectClass GstDiscovererInfoClass;
GType gst_discoverer_info_get_type (void);
#define gst_discoverer_info_unref(info) (gst_mini_object_unref((GstMiniObject*)info))
#define gst_discoverer_info_ref(info) (gst_mini_object_ref((GstMiniObject*)info))
GstDiscovererInfo* gst_discoverer_info_copy (GstDiscovererInfo * ptr);
const gchar* gst_discoverer_info_get_uri(GstDiscovererInfo* info);
GstDiscovererResult gst_discoverer_info_get_result(GstDiscovererInfo* info);
GstDiscovererStreamInfo* gst_discoverer_info_get_stream_info(GstDiscovererInfo* info);
GList* gst_discoverer_info_get_stream_list(GstDiscovererInfo* info);
GstClockTime gst_discoverer_info_get_duration(GstDiscovererInfo* info);
const GstStructure* gst_discoverer_info_get_misc(GstDiscovererInfo* info);
const GstTagList* gst_discoverer_info_get_tags(GstDiscovererInfo* info);
GList * gst_discoverer_info_get_streams (GstDiscovererInfo *info,
GType streamtype);
GList * gst_discoverer_info_get_audio_streams (GstDiscovererInfo *info);
GList * gst_discoverer_info_get_video_streams (GstDiscovererInfo *info);
GList * gst_discoverer_info_get_container_streams (GstDiscovererInfo *info);
void gst_discoverer_stream_info_list_free (GList *infos);
#define GST_TYPE_DISCOVERER \
(gst_discoverer_get_type())
#define GST_DISCOVERER(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DISCOVERER,GstDiscoverer))
#define GST_DISCOVERER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DISCOVERER,GstDiscovererClass))
#define GST_IS_DISCOVERER(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DISCOVERER))
#define GST_IS_DISCOVERER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DISCOVERER))
typedef struct _GstDiscoverer GstDiscoverer;
typedef struct _GstDiscovererClass GstDiscovererClass;
typedef struct _GstDiscovererPrivate GstDiscovererPrivate;
/**
* GstDiscoverer:
*
* The #GstDiscoverer structure.
*
* Since 0.10.31
**/
struct _GstDiscoverer {
GObject parent;
GstDiscovererPrivate *priv;
gpointer _reserved[GST_PADDING];
};
struct _GstDiscovererClass {
GObjectClass parentclass;
/*< signals >*/
void (*finished) (GstDiscoverer *discoverer);
void (*starting) (GstDiscoverer *discoverer);
void (*discovered) (GstDiscoverer *discoverer,
GstDiscovererInfo *info,
const GError *err);
gpointer _reserved[GST_PADDING];
};
GType gst_discoverer_get_type (void);
GstDiscoverer *gst_discoverer_new (GstClockTime timeout, GError **err);
/* Asynchronous API */
void gst_discoverer_start (GstDiscoverer *discoverer);
void gst_discoverer_stop (GstDiscoverer *discoverer);
gboolean gst_discoverer_discover_uri_async (GstDiscoverer *discoverer,
const gchar *uri);
/* Synchronous API */
GstDiscovererInfo *
gst_discoverer_discover_uri (GstDiscoverer * discoverer,
const gchar * uri,
GError ** err);
G_END_DECLS
#endif /* _GST_DISCOVERER_H */

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#include <gst/pbutils/missing-plugins.h> #include <gst/pbutils/missing-plugins.h>
#include <gst/pbutils/install-plugins.h> #include <gst/pbutils/install-plugins.h>
#include <gst/pbutils/pbutils-enumtypes.h> #include <gst/pbutils/pbutils-enumtypes.h>
#include <gst/pbutils/pbutils-marshal.h>
#include <gst/pbutils/gstdiscoverer.h>
G_BEGIN_DECLS G_BEGIN_DECLS