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| author | Jürgen Slowack <jurgen.slowack@barco.com> | 2014-12-01 12:14:20 +0100 |
|---|---|---|
| committer | Thijs Vermeir <thijs.vermeir@barco.com> | 2014-12-01 12:14:20 +0100 |
| commit | c89844ec1eb0fa147f0703aa8f345f3eac2a93f7 (patch) | |
| tree | 0f9935a3848c87a063c6478834bd2f66ebb9cbde /ext/x265 | |
| parent | 6215b5dd14b7a5f686514b7958ae25457cb7ae36 (diff) | |
| download | gstreamer-plugins-bad-c89844ec1eb0fa147f0703aa8f345f3eac2a93f7.tar.gz | |
x265enc: add qp property
QP property enables CQP mode and sets the QP for P slices.
Diffstat (limited to 'ext/x265')
| -rw-r--r-- | ext/x265/gstx265enc.c | 26 | ||||
| -rw-r--r-- | ext/x265/gstx265enc.h | 1 |
2 files changed, 25 insertions, 2 deletions
diff --git a/ext/x265/gstx265enc.c b/ext/x265/gstx265enc.c index 662979414..64d64cc7c 100644 --- a/ext/x265/gstx265enc.c +++ b/ext/x265/gstx265enc.c @@ -48,6 +48,7 @@ enum { PROP_0, PROP_BITRATE, + PROP_QP, PROP_OPTION_STRING, PROP_X265_LOG_LEVEL, PROP_SPEED_PRESET, @@ -57,6 +58,7 @@ enum static GString *x265enc_defaults; #define PROP_BITRATE_DEFAULT (2 * 1024) +#define PROP_QP_DEFAULT -1 #define PROP_OPTION_STRING_DEFAULT "" #define PROP_LOG_LEVEL_DEFAULT -1 // None #define PROP_SPEED_PRESET_DEFAULT 6 // Medium @@ -371,6 +373,11 @@ gst_x265_enc_class_init (GstX265EncClass * klass) G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_MUTABLE_PLAYING)); + g_object_class_install_property (gobject_class, PROP_QP, + g_param_spec_int ("qp", "Quantization parameter", + "QP for P slices in (implied) CQP mode (-1 = disabled)", -1, + 51, PROP_QP_DEFAULT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + g_object_class_install_property (gobject_class, PROP_OPTION_STRING, g_param_spec_string ("option-string", "Option string", "String of x264 options (overridden by element properties)", @@ -416,6 +423,7 @@ gst_x265_enc_init (GstX265Enc * encoder) encoder->push_header = TRUE; encoder->bitrate = PROP_BITRATE_DEFAULT; + encoder->qp = PROP_QP_DEFAULT; encoder->option_string_prop = g_string_new (PROP_OPTION_STRING_DEFAULT); encoder->log_level = PROP_LOG_LEVEL_DEFAULT; encoder->speed_preset = PROP_SPEED_PRESET_DEFAULT; @@ -653,8 +661,16 @@ gst_x265_enc_init_encoder (GstX265Enc * encoder) encoder->x265param.vui.sarWidth = info->par_n; encoder->x265param.vui.sarHeight = info->par_d; } - encoder->x265param.rc.bitrate = encoder->bitrate; - encoder->x265param.rc.rateControlMode = X265_RC_ABR; + + if (encoder->qp != -1) { + /* CQP */ + encoder->x265param.rc.qp = encoder->qp; + encoder->x265param.rc.rateControlMode = X265_RC_CQP; + } else { + /* ABR */ + encoder->x265param.rc.bitrate = encoder->bitrate; + encoder->x265param.rc.rateControlMode = X265_RC_ABR; + } /* apply option-string property */ if (encoder->option_string_prop && encoder->option_string_prop->len) { @@ -1157,6 +1173,9 @@ gst_x265_enc_set_property (GObject * object, guint prop_id, case PROP_BITRATE: encoder->bitrate = g_value_get_uint (value); break; + case PROP_QP: + encoder->qp = g_value_get_int (value); + break; case PROP_OPTION_STRING: g_string_assign (encoder->option_string_prop, g_value_get_string (value)); break; @@ -1198,6 +1217,9 @@ gst_x265_enc_get_property (GObject * object, guint prop_id, case PROP_BITRATE: g_value_set_uint (value, encoder->bitrate); break; + case PROP_QP: + g_value_set_int (value, encoder->qp); + break; case PROP_OPTION_STRING: g_value_set_string (value, encoder->option_string_prop->str); break; diff --git a/ext/x265/gstx265enc.h b/ext/x265/gstx265enc.h index a94784e26..58ba7c035 100644 --- a/ext/x265/gstx265enc.h +++ b/ext/x265/gstx265enc.h @@ -58,6 +58,7 @@ struct _GstX265Enc /* properties */ guint bitrate; + gint qp; gint log_level; gint tune; gint speed_preset; |