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Commits (2)
  • Benjamin Otte's avatar
    initial typefind checkin. All typefind functions have been put into one single... · 2e0cf919
    Benjamin Otte authored
    initial typefind checkin. All typefind functions have been put into one single plugin in gst/typefind
    
    Original commit message from CVS:
    initial typefind checkin. All typefind functions have been put into one single plugin in gst/typefind
    2e0cf919
  • Benjamin Otte's avatar
    fixes: · 280f5bc3
    Benjamin Otte authored
    Original commit message from CVS:
    fixes:
    - bytestream needs to be gst_library_loaded again
    - typecast correctly on guint8* => guint32* in typefinding
    - remove unused/unnecessary files
    280f5bc3
......@@ -42,6 +42,9 @@ extern URLProtocol gstreamer_protocol;
static gboolean
plugin_init (GModule *module, GstPlugin *plugin)
{
if (!gst_library_load ("gstbytestream"))
return FALSE;
avcodec_init ();
avcodec_register_all ();
av_register_all ();
......
......@@ -54,7 +54,6 @@ typedef struct _GstFFMpegDemuxClassParams {
GstPadTemplate *sinktempl;
GstPadTemplate *videosrctempl;
GstPadTemplate *audiosrctempl;
GstPluginFeature *typefind_feature;
} GstFFMpegDemuxClassParams;
typedef struct _GstFFMpegDemuxClass GstFFMpegDemuxClass;
......@@ -66,7 +65,6 @@ struct _GstFFMpegDemuxClass {
GstPadTemplate *sinktempl;
GstPadTemplate *videosrctempl;
GstPadTemplate *audiosrctempl;
GstPluginFeature *typefind_feature;
};
#define GST_TYPE_FFMPEGDEC \
......@@ -90,7 +88,7 @@ enum {
/* FILL ME */
};
static GHashTable *global_plugins, *typefind;
static GHashTable *global_plugins;
/* A number of functon prototypes are given so we can refer to them later. */
static void gst_ffmpegdemux_class_init (GstFFMpegDemuxClass *klass);
......@@ -122,7 +120,6 @@ gst_ffmpegdemux_class_init (GstFFMpegDemuxClass *klass)
GINT_TO_POINTER (G_OBJECT_CLASS_TYPE (gobject_class)));
klass->in_plugin = params->in_plugin;
klass->typefind_feature = params->typefind_feature;
klass->videosrctempl = params->videosrctempl;
klass->audiosrctempl = params->audiosrctempl;
klass->sinktempl = params->sinktempl;
......@@ -160,45 +157,32 @@ gst_ffmpegdemux_dispose (GObject *object)
}
}
static GstCaps*
gst_ffmpegdemux_typefind (GstByteStream *bs,
gpointer priv)
#define GST_FFMPEG_TYPE_FIND_SIZE 4096
static void
gst_ffmpegdemux_type_find (GstTypeFind *tf, gpointer priv)
{
GstFFMpegDemuxClassParams *params;
AVInputFormat *in_plugin;
guint8 *data;
GstFFMpegDemuxClassParams *params = (GstFFMpegDemuxClassParams *) priv;
AVInputFormat *in_plugin = params->in_plugin;
gint res = 0;
gint required = AVPROBE_SCORE_MAX * 0.8; /* 80% certainty enough? */
gint size_required = 4096;
GstBuffer *buf = NULL;
params = g_hash_table_lookup (typefind, priv);
in_plugin = params->in_plugin;
if (in_plugin->read_probe &&
gst_bytestream_peek (bs, &buf, size_required) == size_required) {
(data = gst_type_find_peek (tf, 0, GST_FFMPEG_TYPE_FIND_SIZE)) != NULL) {
AVProbeData probe_data;
probe_data.filename = "";
probe_data.buf = GST_BUFFER_DATA (buf);
probe_data.buf_size = GST_BUFFER_SIZE (buf);
probe_data.buf = data;
probe_data.buf_size = GST_FFMPEG_TYPE_FIND_SIZE;
res = in_plugin->read_probe (&probe_data);
if (res >= required) {
GstCaps *caps;
caps = GST_PAD_TEMPLATE_CAPS (params->sinktempl);
res = res * GST_TYPE_FIND_MAXIMUM / AVPROBE_SCORE_MAX;
if (res > 0) {
GstCaps *caps = GST_PAD_TEMPLATE_CAPS (params->sinktempl);
/* make sure we still hold a refcount to this caps */
gst_caps_ref (caps);
gst_buffer_unref (buf);
return caps;
gst_type_find_suggest (tf, res, caps);
}
}
if (buf != NULL) {
gst_buffer_unref (buf);
}
return NULL;
}
static void
......@@ -362,8 +346,6 @@ gboolean
gst_ffmpegdemux_register (GstPlugin *plugin)
{
GstElementFactory *factory;
GstTypeFactory *type_factory;
GstTypeDefinition *type_definition;
GTypeInfo typeinfo = {
sizeof(GstFFMpegDemuxClass),
NULL,
......@@ -380,11 +362,11 @@ gst_ffmpegdemux_register (GstPlugin *plugin)
AVInputFormat *in_plugin;
GstFFMpegDemuxClassParams *params;
AVCodec *in_codec;
gchar **extensions;
in_plugin = first_iformat;
global_plugins = g_hash_table_new (NULL, NULL);
typefind = g_hash_table_new (NULL, NULL);
while (in_plugin) {
gchar *type_name;
......@@ -456,20 +438,9 @@ gst_ffmpegdemux_register (GstPlugin *plugin)
factory = gst_element_factory_new(type_name,type,details);
g_return_val_if_fail(factory != NULL, FALSE);
/* typefind info */
type_definition = g_new0 (GstTypeDefinition, 1);
type_definition->name = g_strdup_printf ("fftype_%s",
in_plugin->name);
type_definition->mime = g_strdup (gst_caps_get_mime (sinkcaps));
type_definition->exts = g_strdup (in_plugin->extensions);
type_definition->typefindfunc = gst_ffmpegdemux_typefind;
type_factory = gst_type_factory_new (type_definition);
/* create a cache for these properties */
params = g_new0 (GstFFMpegDemuxClassParams, 1);
params->in_plugin = in_plugin;
params->typefind_feature = GST_PLUGIN_FEATURE (type_factory);
params->sinktempl = gst_pad_template_new ("sink", GST_PAD_SINK,
GST_PAD_ALWAYS,
sinkcaps, NULL);
......@@ -488,19 +459,21 @@ gst_ffmpegdemux_register (GstPlugin *plugin)
gst_element_factory_add_pad_template (factory,
params->videosrctempl);
/* typefind registering */
extensions = g_strsplit (in_plugin->extensions, " ", 0);
gst_type_find_factory_register (plugin, g_strdup_printf ("fftype_%s", in_plugin->name),
GST_ELEMENT_RANK_MARGINAL, gst_ffmpegdemux_type_find,
extensions, GST_CAPS_ANY, params);
g_strfreev (extensions);
g_hash_table_insert (global_plugins,
GINT_TO_POINTER (type),
(gpointer) params);
g_hash_table_insert (typefind,
(gpointer) type_factory,
(gpointer) params);
gst_element_factory_set_rank (factory, GST_ELEMENT_RANK_MARGINAL);
/* The very last thing is to register the elementfactory with the plugin. */
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (type_factory));
next:
in_plugin = in_plugin->next;
......
......@@ -27,7 +27,7 @@
#endif
#include <gst/gst.h>
#include <gst/gstbytestream.h>
#include <gst/bytestream.h>
typedef struct _GstProtocolInfo GstProtocolInfo;
......