static void
list_codecs (void)
{
GstCaps *l, *caps;
GstStructure *st;
guint i, len;
gchar *tmpstr, *desc;
caps = gst_caps_new_empty ();
g_print ("Available container formats:\n");
l = gst_caps_list_container_formats (GST_RANK_NONE);
len = gst_caps_get_size (l);
for (i = 0; i < len; i++) {
st = gst_caps_steal_structure (l, 0);
gst_caps_append_structure (caps, st);
tmpstr = gst_caps_to_string (caps);
desc = gst_pb_utils_get_codec_description (caps);
g_print (" %s - %s\n", desc, tmpstr);
g_free (tmpstr);
if (desc)
g_free (desc);
gst_caps_remove_structure (caps, 0);
}
g_print ("\n");
gst_caps_unref (l);
g_print ("Available video codecs:\n");
l = gst_caps_list_video_encoding_formats (GST_RANK_NONE);
len = gst_caps_get_size (l);
for (i = 0; i < len; i++) {
st = gst_caps_steal_structure (l, 0);
gst_caps_append_structure (caps, st);
tmpstr = gst_caps_to_string (caps);
desc = gst_pb_utils_get_codec_description (caps);
g_print (" %s - %s\n", desc, tmpstr);
g_free (tmpstr);
if (desc)
g_free (desc);
gst_caps_remove_structure (caps, 0);
}
g_print ("\n");
gst_caps_unref (l);
g_print ("Available audio codecs:\n");
l = gst_caps_list_audio_encoding_formats (GST_RANK_NONE);
len = gst_caps_get_size (l);
for (i = 0; i < len; i++) {
st = gst_caps_steal_structure (l, 0);
gst_caps_append_structure (caps, st);
tmpstr = gst_caps_to_string (caps);
desc = gst_pb_utils_get_codec_description (caps);
g_print (" %s - %s\n", desc, tmpstr);
g_free (tmpstr);
if (desc)
g_free (desc);
gst_caps_remove_structure (caps, 0);
}
g_print ("\n");
gst_caps_unref (l);
gst_caps_unref (caps);
}
int
main (int argc, char **argv)
{
GError *err = NULL;
gchar *outputuri = NULL;
gchar *format = NULL;
gchar *aformat = NULL;
gchar *vformat = NULL;
gboolean allmissing = FALSE;
gboolean listcodecs = FALSE;
GOptionEntry options[] = {
{ "silent", 's', 0, G_OPTION_ARG_NONE, &silent,
"Don't output the information structure", NULL
},
{ "outputuri", 'o', 0, G_OPTION_ARG_STRING, &outputuri,
"URI to encode to", "URI (<protocol>://<location>)"
},
{ "format", 'f', 0, G_OPTION_ARG_STRING, &format,
"Container format", "<GstCaps>"
},
{ "vformat", 'v', 0, G_OPTION_ARG_STRING, &vformat,
"Video format", "<GstCaps>"
},
{ "aformat", 'a', 0, G_OPTION_ARG_STRING, &aformat,
"Audio format", "<GstCaps>"
},
{ "allmissing", 'm', 0, G_OPTION_ARG_NONE, &allmissing,
"encode to all matching format/codec that aren't specified", NULL
},
{ "list-codecs", 'l', 0, G_OPTION_ARG_NONE, &listcodecs,
"list all available codecs and container formats", NULL
},
{NULL}
};
GOptionContext *ctx;
GstEncodingProfile *prof;
gchar *inputuri;
ctx = g_option_context_new ("- encode URIs with GstProfile and encodebin");
g_option_context_add_main_entries (ctx, options, NULL);
g_option_context_add_group (ctx, gst_init_get_option_group ());
if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
g_print ("Error initializing: %s\n", err->message);
exit (1);
}
if (listcodecs) {
list_codecs ();
g_option_context_free (ctx);
exit (0);
}
if (outputuri == NULL || argc != 2) {
g_print ("%s", g_option_context_get_help (ctx, TRUE, NULL));
g_option_context_free (ctx);
exit (-1);
}
g_option_context_free (ctx);
/* Fixup outputuri to be a URI */
inputuri = ensure_uri (argv[1]);
outputuri = ensure_uri (outputuri);
if (allmissing) {
GList *muxers;
GstCaps *formats = NULL;
GstCaps *vformats = NULL;
GstCaps *aformats = NULL;
guint f, v, a, flen, vlen, alen;
if (!format)
formats = gst_caps_list_container_formats (GST_RANK_NONE);
else
formats = gst_caps_from_string (format);
if (!vformat)
vformats = gst_caps_list_video_encoding_formats (GST_RANK_NONE);
else
vformats = gst_caps_from_string (vformat);
if (!aformat)
aformats = gst_caps_list_audio_encoding_formats (GST_RANK_NONE);
else
aformats = gst_caps_from_string (aformat);
muxers =
gst_element_factory_list_get_elements (GST_ELEMENT_FACTORY_TYPE_MUXER,
GST_RANK_NONE);
flen = gst_caps_get_size (formats);
for (f = 0; f < flen; f++) {
GstCaps *container =
gst_caps_new_full (gst_caps_steal_structure (formats, 0), NULL);
GstCaps *compatv =
gst_caps_list_compatible_codecs (container, vformats, muxers);
GstCaps *compata =
gst_caps_list_compatible_codecs (container, aformats, muxers);
vlen = gst_caps_get_size (compatv);
alen = gst_caps_get_size (compata);
for (v = 0; v < vlen; v++) {
GstCaps *vcodec =
gst_caps_new_full (gst_structure_copy (gst_caps_get_structure
(compatv, v)), NULL);
for (a = 0; a < alen; a++) {
GstCaps *acodec =
gst_caps_new_full (gst_structure_copy (gst_caps_get_structure
(compata, a)), NULL);
prof =
create_profile ((GstCaps *) container, (GstCaps *) vcodec,
(GstCaps *) acodec);
if (G_UNLIKELY (prof == NULL)) {
g_print ("Wrong arguments\n");
break;
}
outputuri =
ensure_uri (generate_filename (container, vcodec, acodec));
transcode_file (inputuri, outputuri, prof);
gst_encoding_profile_unref (prof);
gst_caps_unref (acodec);
}
gst_caps_unref (vcodec);
}
gst_caps_unref (container);
}
} else {
/* Create the profile */
prof = create_profile_from_string (format, vformat, aformat);
if (G_UNLIKELY (prof == NULL)) {
g_print ("Encoding arguments are not valid !\n");
return 1;
}
/* Transcode file */
transcode_file (inputuri, outputuri, prof);
/* cleanup */
gst_encoding_profile_unref (prof);
}
return 0;
}
/* creates/returns a list of CodecCap based on given filter function and caps */
static GList *
get_plugins_filtered_from_caps (FilterFunc filter,
GstCaps *caps,
GstPadDirection direction)
{
GList *walk, *result;
GList *list = NULL;
GstCaps *matched_caps = NULL;
result = gst_registry_get_feature_list (gst_registry_get (),
GST_TYPE_ELEMENT_FACTORY);
result = g_list_sort (result, (GCompareFunc) compare_ranks);
for (walk = result; walk; walk = walk->next)
{
GstElementFactory *factory = GST_ELEMENT_FACTORY (walk->data);
/* Ignore unranked plugins */
if (gst_plugin_feature_get_rank (GST_PLUGIN_FEATURE (factory)) ==
GST_RANK_NONE)
continue;
if (!filter (factory))
continue;
if (caps && !check_caps_compatibility (factory, caps, &matched_caps))
continue;
if (!matched_caps)
{
list = create_codec_cap_list (factory, direction, list, NULL);
}
else
{
gint i;
GPtrArray *capslist = g_ptr_array_new_with_free_func (
(GDestroyNotify) gst_caps_unref);
while (gst_caps_get_size (matched_caps) > 0)
{
GstCaps *stolencaps = gst_caps_new_full (
gst_caps_steal_structure (matched_caps, 0), NULL);
gboolean got_match = FALSE;
for (i = 0; i < capslist->len; i++)
{
GstCaps *intersect = gst_caps_intersect (stolencaps,
g_ptr_array_index (capslist, i));
if (gst_caps_is_empty (intersect))
{
gst_caps_unref (intersect);
}
else
{
got_match = TRUE;
gst_caps_unref (g_ptr_array_index (capslist, i));
g_ptr_array_index (capslist, i) = intersect;
}
}
if (got_match)
gst_caps_unref (stolencaps);
else
g_ptr_array_add (capslist, stolencaps);
}
gst_caps_unref (matched_caps);
for (i = 0; i < capslist->len; i++)
list = create_codec_cap_list (factory, direction, list,
g_ptr_array_index (capslist, i));
g_ptr_array_unref (capslist);
}
}
gst_plugin_feature_list_free (result);
return list;
}
