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gstreamer: Add support for setting arbitrary parameters via parameters-string property

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This commit is contained in:
Sebastian Dröge 2023-02-01 12:49:44 +02:00
parent d746164ba0
commit f24643b48f
2 changed files with 58 additions and 1 deletions
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58
subprojects/gst-plugins-bad/ext/svtav1/gstsvtav1enc.c
View file

@ -91,6 +91,8 @@ static GstFlowReturn gst_svtav1enc_finish(GstVideoEncoder *encoder);
static gboolean gst_svtav1enc_propose_allocation(GstVideoEncoder *encoder, GstQuery *query);
static gboolean gst_svtav1enc_flush(GstVideoEncoder *encoder);
static void gst_svtav1enc_parse_parameters_string(GstSvtAv1Enc *svtav1enc, const gchar *parameters);
enum {
PROP_0,
PROP_PRESET,
@ -105,7 +107,8 @@ enum {
PROP_INTRA_PERIOD_LENGTH,
PROP_INTRA_REFRESH_TYPE,
PROP_LOGICAL_PROCESSORS,
PROP_TARGET_SOCKET
PROP_TARGET_SOCKET,
PROP_PARAMETERS_STRING,
};
#define PROP_PRESET_DEFAULT 8
@ -121,6 +124,7 @@ enum {
#define PROP_INTRA_REFRESH_TYPE_DEFAULT 1
#define PROP_LOGICAL_PROCESSORS_DEFAULT 0
#define PROP_TARGET_SOCKET_DEFAULT -1
#define PROP_PARAMETERS_STRING_DEFAULT NULL
/* pad templates */
static GstStaticPadTemplate gst_svtav1enc_sink_pad_template = GST_STATIC_PAD_TEMPLATE(
@ -320,6 +324,16 @@ static void gst_svtav1enc_class_init(GstSvtAv1EncClass *klass) {
15,
PROP_TARGET_SOCKET_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property(
gobject_class,
PROP_PARAMETERS_STRING,
g_param_spec_string(
"parameters-string",
"Parameters String",
"Colon-delimited list of key=value pairs of additional parameters to set",
PROP_PARAMETERS_STRING_DEFAULT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
static void gst_svtav1enc_init(GstSvtAv1Enc *svtav1enc) {
@ -374,6 +388,9 @@ static void gst_svtav1enc_set_property(GObject *object, guint property_id, const
svtav1enc->svt_config->logical_processors = g_value_get_uint(value);
break;
case PROP_TARGET_SOCKET: svtav1enc->svt_config->target_socket = g_value_get_int(value); break;
case PROP_PARAMETERS_STRING:
gst_svtav1enc_parse_parameters_string(svtav1enc, g_value_get_string(value));
break;
default: G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec); break;
}
}
@ -414,6 +431,7 @@ static void gst_svtav1enc_get_property(GObject *object, guint property_id, GValu
g_value_set_uint(value, svtav1enc->svt_config->logical_processors);
break;
case PROP_TARGET_SOCKET: g_value_set_int(value, svtav1enc->svt_config->target_socket); break;
case PROP_PARAMETERS_STRING: g_value_set_string(value, svtav1enc->parameters_string); break;
default: G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec); break;
}
}
@ -424,6 +442,7 @@ static void gst_svtav1enc_finalize(GObject *object) {
GST_DEBUG_OBJECT(svtav1enc, "finalizing svtav1enc");
g_free(svtav1enc->svt_config);
g_free(svtav1enc->parameters_string);
G_OBJECT_CLASS(gst_svtav1enc_parent_class)->finalize(object);
}
@ -767,6 +786,43 @@ static gboolean gst_svtav1enc_propose_allocation(GstVideoEncoder *encoder, GstQu
return GST_VIDEO_ENCODER_CLASS(gst_svtav1enc_parent_class)->propose_allocation(encoder, query);
}
static void gst_svtav1enc_parse_parameters_string(GstSvtAv1Enc *svtav1enc,
const gchar *parameters) {
gchar **key_values, **p;
g_free(svtav1enc->parameters_string);
svtav1enc->parameters_string = g_strdup(parameters);
if (!parameters)
return;
p = key_values = g_strsplit(parameters, ":", -1);
while (p && *p) {
gchar *equals;
EbErrorType res;
equals = strchr(*p, '=');
if (!equals) {
p++;
continue;
}
*equals = '\0';
equals++;
GST_DEBUG_OBJECT(svtav1enc, "Setting parameter %s=%s", *p, equals);
res = svt_av1_enc_parse_parameter(svtav1enc->svt_config, *p, equals);
if (res != EB_ErrorNone) {
GST_WARNING_OBJECT(svtav1enc, "Failed to set parameter %s=%s: %d", *p, equals, res);
}
p++;
}
g_strfreev(key_values);
}
static gboolean plugin_init(GstPlugin *plugin) {
EbComponentType *handle = NULL;
EbErrorType res;

1
subprojects/gst-plugins-bad/ext/svtav1/gstsvtav1enc.h
View file

@ -33,6 +33,7 @@ typedef struct _GstSvtAv1Enc {
/* SVT-AV1 configuration */
EbSvtAv1EncConfiguration *svt_config;
gchar *parameters_string;
EbBufferHeaderType *input_buf;
} GstSvtAv1Enc;