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vaapiencode: h264: verify if requested profile is supported

Browse source 
Check if the requested profile in source caps, is supported by the
VA driver. If it is not, an info log message is send saying that
another (compatible?) profile will be used.

https://bugzilla.gnome.org/show_bug.cgi?id=757941
This commit is contained in:
Víctor Manuel Jáquez Leal 2017-06-22 09:56:49 +02:00
parent 322fe98936
commit 39b36f7d14
2 changed files with 61 additions and 0 deletions
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60
gst/vaapi/gstvaapiencode_h264.c
View file

@ -170,6 +170,9 @@ gst_vaapiencode_h264_init (GstVaapiEncodeH264 * encode)
static void
gst_vaapiencode_h264_finalize (GObject * object)
{
GstVaapiEncodeH264 *const encode = GST_VAAPIENCODE_H264_CAST (object);
gst_caps_replace (&encode->available_caps, NULL);
G_OBJECT_CLASS (gst_vaapiencode_h264_parent_class)->finalize (object);
}
@ -278,6 +281,51 @@ find_best_profile (GstCaps * caps)
return data.best_profile;
}
static GstCaps *
get_available_caps (GstVaapiEncodeH264 * encode)
{
GstCaps *out_caps;
GArray *profiles;
GstVaapiProfile profile;
const gchar *profile_str;
GValue profile_v = G_VALUE_INIT;
GValue profile_list = G_VALUE_INIT;
guint i;
if (encode->available_caps)
return encode->available_caps;
g_value_init (&profile_list, GST_TYPE_LIST);
g_value_init (&profile_v, G_TYPE_STRING);
profiles =
gst_vaapi_display_get_encode_profiles
(GST_VAAPI_PLUGIN_BASE_DISPLAY (encode));
if (!profiles)
return NULL;
for (i = 0; i < profiles->len; i++) {
profile = g_array_index (profiles, GstVaapiProfile, i);
if (gst_vaapi_profile_get_codec (profile) != GST_VAAPI_CODEC_H264)
continue;
profile_str = gst_vaapi_profile_get_name (profile);
if (!profile_str)
continue;
g_value_set_string (&profile_v, profile_str);
gst_value_list_append_value (&profile_list, &profile_v);
}
g_array_unref (profiles);
out_caps = gst_caps_from_string (GST_CODEC_CAPS);
gst_caps_set_value (out_caps, "profile", &profile_list);
g_value_unset (&profile_list);
g_value_unset (&profile_v);
encode->available_caps = out_caps;
return encode->available_caps;
}
static gboolean
gst_vaapiencode_h264_set_config (GstVaapiEncode * base_encode)
{
@ -310,6 +358,18 @@ gst_vaapiencode_h264_set_config (GstVaapiEncode * base_encode)
GstStructure *structure;
guint i, num_structures;
GstVaapiProfile profile;
GstCaps *available_caps;
available_caps = get_available_caps (encode);
if (!available_caps) {
gst_caps_unref (template_caps);
gst_caps_unref (allowed_caps);
return FALSE;
}
if (!gst_caps_can_intersect (allowed_caps, available_caps)) {
GST_INFO_OBJECT (encode, "downstream requested an unsupported profile, "
"but encoder will output a compatible one");
}
/* Check whether "stream-format" is avcC mode */
num_structures = gst_caps_get_size (allowed_caps);

1
gst/vaapi/gstvaapiencode_h264.h
View file

@ -56,6 +56,7 @@ struct _GstVaapiEncodeH264
GstVaapiEncode parent_instance;
guint is_avc:1; /* [FALSE]=byte-stream (default); [TRUE]=avcC */
GstCaps *available_caps;
};
struct _GstVaapiEncodeH264Class