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libs: encoder: add a helper function to get all supported profiles

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He Junyan 2020-01-08 15:04:18 +08:00 committed by Víctor Manuel Jáquez Leal
parent 3737692dd4
commit 0a2a25981c
2 changed files with 52 additions and 0 deletions
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49
gst-libs/gst/vaapi/gstvaapiencoder.c
View file

@ -1764,6 +1764,55 @@ gst_vaapi_encoder_get_entrypoint (GstVaapiEncoder * encoder,
return GST_VAAPI_ENTRYPOINT_INVALID;
}
/**
* gst_vaapi_encoder_get_available_profiles:
* @encoder: a #GstVaapiEncoder
*
* Collect all supported #GstVaapiProfile of current @encoder's #GstVaapiCodec,
* and return them as a #GArray
*
* Returns: An #GArray of #GstVaapiProfile.
**/
GArray *
gst_vaapi_encoder_get_available_profiles (GstVaapiEncoder * encoder)
{
GstVaapiCodec codec;
GArray *all_profiles = NULL;
GArray *profiles = NULL;
GstVaapiProfile profile;
guint i;
g_return_val_if_fail (encoder != NULL, 0);
codec = GST_VAAPI_ENCODER_GET_CLASS (encoder)->class_data->codec;
all_profiles = gst_vaapi_display_get_encode_profiles
(GST_VAAPI_ENCODER_DISPLAY (encoder));
if (!all_profiles)
goto out;
/* Add all supported profiles belong to current codec */
profiles = g_array_new (FALSE, FALSE, sizeof (GstVaapiProfile));
if (!profiles)
goto out;
for (i = 0; i < all_profiles->len; i++) {
profile = g_array_index (all_profiles, GstVaapiProfile, i);
if (gst_vaapi_profile_get_codec (profile) == codec)
g_array_append_val (profiles, profile);
}
out:
if (all_profiles)
g_array_unref (all_profiles);
if (profiles && profiles->len == 0) {
g_array_unref (profiles);
profiles = NULL;
}
return profiles;
}
/** Returns a GType for the #GstVaapiEncoderTune set */
GType
gst_vaapi_encoder_tune_get_type (void)

3
gst-libs/gst/vaapi/gstvaapiencoder.h
View file

@ -192,6 +192,9 @@ GstVaapiEntrypoint
gst_vaapi_encoder_get_entrypoint (GstVaapiEncoder * encoder,
GstVaapiProfile profile);
GArray *
gst_vaapi_encoder_get_available_profiles (GstVaapiEncoder * encoder);
G_END_DECLS
#endif /* GST_VAAPI_ENCODER_H */