mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 04:01:08 +00:00
Cache the codec informations inside the registry
Otherwise we would always load all codecs during plugin initialization which can take quite some time (because of hardware) and also loads lots of shared libraries (which number is limited by 64 in Android).
This commit is contained in:
Sebastian Dröge
parent
a98a627370
commit
e7b21d5796
1 changed files with 159 additions and 5 deletions
|
|
@ -1423,19 +1423,94 @@ done:
|
|||
}
|
||||
|
||||
static gboolean
|
||||
scan_codecs (void)
|
||||
scan_codecs (GstPlugin * plugin)
|
||||
{
|
||||
gboolean ret = TRUE;
|
||||
JNIEnv *env;
|
||||
jclass codec_list_class = NULL;
|
||||
jmethodID get_codec_count_id, get_codec_info_at_id;
|
||||
jint codec_count, i;
|
||||
const GstStructure *cache_data;
|
||||
|
||||
GST_DEBUG ("Scanning codecs");
|
||||
|
||||
/* TODO: Cache this in the plugin and also cache
|
||||
* classes and method ids
|
||||
*/
|
||||
if ((cache_data = gst_plugin_get_cache_data (plugin))) {
|
||||
const GValue *arr = gst_structure_get_value (cache_data, "codecs");
|
||||
guint i, n;
|
||||
|
||||
GST_DEBUG ("Getting codecs from cache");
|
||||
n = gst_value_array_get_size (arr);
|
||||
for (i = 0; i < n; i++) {
|
||||
const GValue *cv = gst_value_array_get_value (arr, i);
|
||||
const GstStructure *cs = gst_value_get_structure (cv);
|
||||
const gchar *name;
|
||||
gboolean is_encoder;
|
||||
const GValue *starr;
|
||||
guint j, n2;
|
||||
GstAmcCodecInfo *gst_codec_info;
|
||||
|
||||
gst_codec_info = g_new0 (GstAmcCodecInfo, 1);
|
||||
|
||||
name = gst_structure_get_string (cs, "name");
|
||||
gst_structure_get_boolean (cs, "is-encoder", &is_encoder);
|
||||
gst_codec_info->name = g_strdup (name);
|
||||
gst_codec_info->is_encoder = is_encoder;
|
||||
|
||||
starr = gst_structure_get_value (cs, "supported-types");
|
||||
n2 = gst_value_array_get_size (starr);
|
||||
|
||||
gst_codec_info->n_supported_types = n2;
|
||||
gst_codec_info->supported_types = g_new0 (GstAmcCodecType, n2);
|
||||
|
||||
for (j = 0; j < n2; j++) {
|
||||
const GValue *stv = gst_value_array_get_value (starr, j);
|
||||
const GstStructure *sts = gst_value_get_structure (stv);
|
||||
const gchar *mime;
|
||||
const GValue *cfarr;
|
||||
const GValue *plarr;
|
||||
guint k, n3;
|
||||
GstAmcCodecType *gst_codec_type = &gst_codec_info->supported_types[j];
|
||||
|
||||
mime = gst_structure_get_string (sts, "mime");
|
||||
gst_codec_type->mime = g_strdup (mime);
|
||||
|
||||
cfarr = gst_structure_get_value (sts, "color-formats");
|
||||
n3 = gst_value_array_get_size (cfarr);
|
||||
|
||||
gst_codec_type->n_color_formats = n3;
|
||||
gst_codec_type->color_formats = g_new0 (gint, n3);
|
||||
|
||||
for (k = 0; k < n3; k++) {
|
||||
const GValue *cfv = gst_value_array_get_value (cfarr, k);
|
||||
gint cf = g_value_get_int (cfv);
|
||||
|
||||
gst_codec_type->color_formats[k] = cf;
|
||||
}
|
||||
|
||||
plarr = gst_structure_get_value (sts, "profile-levels");
|
||||
n3 = gst_value_array_get_size (plarr);
|
||||
|
||||
gst_codec_type->n_profile_levels = n3;
|
||||
gst_codec_type->profile_levels =
|
||||
g_malloc0 (sizeof (gst_codec_type->profile_levels[0]) * n3);
|
||||
|
||||
for (k = 0; k < n3; k++) {
|
||||
const GValue *plv = gst_value_array_get_value (plarr, k);
|
||||
const GValue *p, *l;
|
||||
|
||||
p = gst_value_array_get_value (plv, 0);
|
||||
l = gst_value_array_get_value (plv, 1);
|
||||
gst_codec_type->profile_levels[k].profile = g_value_get_int (p);
|
||||
gst_codec_type->profile_levels[k].level = g_value_get_int (l);
|
||||
}
|
||||
}
|
||||
|
||||
codec_infos = g_list_append (codec_infos, gst_codec_info);
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
env = gst_amc_get_jni_env ();
|
||||
|
||||
codec_list_class = (*env)->FindClass (env, "android/media/MediaCodecList");
|
||||
|
|
@ -1835,6 +1910,85 @@ scan_codecs (void)
|
|||
|
||||
ret = codec_infos != NULL;
|
||||
|
||||
/* If successful we store a cache of the codec information in
|
||||
* the registry. Otherwise we would always load all codecs during
|
||||
* plugin initialization which can take quite some time (because
|
||||
* of hardware) and also loads lots of shared libraries (which
|
||||
* number is limited by 64 in Android).
|
||||
*/
|
||||
if (ret) {
|
||||
GstStructure *new_cache_data = gst_structure_empty_new ("gst-amc-cache");
|
||||
GList *l;
|
||||
GValue arr = { 0, };
|
||||
|
||||
g_value_init (&arr, GST_TYPE_ARRAY);
|
||||
|
||||
for (l = codec_infos; l; l = l->next) {
|
||||
GstAmcCodecInfo *gst_codec_info = l->data;
|
||||
GValue cv = { 0, };
|
||||
GstStructure *cs = gst_structure_empty_new ("gst-amc-codec");
|
||||
GValue starr = { 0, };
|
||||
gint i;
|
||||
|
||||
gst_structure_set (cs, "name", G_TYPE_STRING, gst_codec_info->name,
|
||||
"is-encoder", G_TYPE_BOOLEAN, gst_codec_info->is_encoder, NULL);
|
||||
|
||||
g_value_init (&starr, GST_TYPE_ARRAY);
|
||||
|
||||
for (i = 0; i < gst_codec_info->n_supported_types; i++) {
|
||||
GstAmcCodecType *gst_codec_type = &gst_codec_info->supported_types[i];
|
||||
GstStructure *sts = gst_structure_empty_new ("gst-amc-supported-type");
|
||||
GValue tmparr = { 0, };
|
||||
gint j;
|
||||
|
||||
gst_structure_set (sts, "mime", G_TYPE_STRING, gst_codec_type->mime,
|
||||
NULL);
|
||||
|
||||
g_value_init (&tmparr, GST_TYPE_ARRAY);
|
||||
for (j = 0; j < gst_codec_type->n_color_formats; j++) {
|
||||
GValue tmp = { 0, };
|
||||
|
||||
g_value_init (&tmp, G_TYPE_INT);
|
||||
g_value_set_int (&tmp, gst_codec_type->color_formats[j]);
|
||||
gst_value_array_append_value (&tmparr, &tmp);
|
||||
g_value_unset (&tmp);
|
||||
}
|
||||
gst_structure_set_value (sts, "color-formats", &tmparr);
|
||||
g_value_unset (&tmparr);
|
||||
|
||||
g_value_init (&tmparr, GST_TYPE_ARRAY);
|
||||
for (j = 0; j < gst_codec_type->n_profile_levels; j++) {
|
||||
GValue tmparr2 = { 0, };
|
||||
GValue tmp = { 0, };
|
||||
|
||||
g_value_init (&tmparr2, GST_TYPE_ARRAY);
|
||||
g_value_init (&tmp, G_TYPE_INT);
|
||||
g_value_set_int (&tmp, gst_codec_type->profile_levels[j].profile);
|
||||
gst_value_array_append_value (&tmparr2, &tmp);
|
||||
g_value_set_int (&tmp, gst_codec_type->profile_levels[j].level);
|
||||
gst_value_array_append_value (&tmparr2, &tmp);
|
||||
gst_value_array_append_value (&tmparr, &tmparr2);
|
||||
g_value_unset (&tmp);
|
||||
g_value_unset (&tmparr2);
|
||||
}
|
||||
gst_structure_set_value (sts, "profile-levels", &tmparr);
|
||||
g_value_unset (&tmparr);
|
||||
}
|
||||
|
||||
gst_structure_set_value (cs, "supported-types", &starr);
|
||||
g_value_unset (&starr);
|
||||
|
||||
g_value_init (&cv, GST_TYPE_STRUCTURE);
|
||||
gst_value_array_append_value (&arr, &cv);
|
||||
g_value_unset (&cv);
|
||||
}
|
||||
|
||||
gst_structure_set_value (new_cache_data, "codecs", &arr);
|
||||
g_value_unset (&arr);
|
||||
|
||||
gst_plugin_set_cache_data (plugin, new_cache_data);
|
||||
}
|
||||
|
||||
done:
|
||||
if (codec_list_class)
|
||||
(*env)->DeleteLocalRef (env, codec_list_class);
|
||||
|
|
@ -2363,7 +2517,7 @@ plugin_init (GstPlugin * plugin)
|
|||
gst_plugin_add_dependency_simple (plugin, NULL, "/etc", "media_codecs.xml",
|
||||
GST_PLUGIN_DEPENDENCY_FLAG_NONE);
|
||||
|
||||
if (!get_java_classes () || !scan_codecs ())
|
||||
if (!get_java_classes () || !scan_codecs (plugin))
|
||||
return FALSE;
|
||||
|
||||
gst_amc_codec_info_quark = g_quark_from_static_string ("gst-amc-codec-info");
|
||||
|
|
|
|||
Loading…
Reference in a new issue