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openh264enc: Expose maximum bitrate setting

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This commit is contained in:
Sebastian Dröge 2016-06-30 23:29:13 +02:00
parent c8666c58e8
commit 1e242edeb4
2 changed files with 23 additions and 3 deletions
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25
ext/openh264/gstopenh264enc.cpp
View file

@ -162,6 +162,7 @@ static void gst_openh264enc_set_rate_control (GstOpenh264Enc * openh264enc,
#define DEFAULT_BITRATE (128000)
#define DEFAULT_MAX_BITRATE (UNSPECIFIED_BIT_RATE)
#define DEFAULT_GOP_SIZE (90)
#define DEFAULT_MAX_SLICE_SIZE (1500000)
#define DROP_BITRATE 20000
@ -184,6 +185,7 @@ enum
PROP_0,
PROP_USAGE_TYPE,
PROP_BITRATE,
PROP_MAX_BITRATE,
PROP_GOP_SIZE,
PROP_MAX_SLICE_SIZE,
PROP_RATE_CONTROL,
@ -290,6 +292,12 @@ gst_openh264enc_class_init (GstOpenh264EncClass * klass)
0, G_MAXUINT, DEFAULT_BITRATE,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_MAX_BITRATE,
g_param_spec_uint ("max-bitrate", "Max Bitrate",
"Maximum Bitrate (in bits per second)",
0, G_MAXUINT, DEFAULT_MAX_BITRATE,
(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
g_object_class_install_property (gobject_class, PROP_GOP_SIZE,
g_param_spec_uint ("gop-size", "GOP size",
"Number of frames between intra frames",
@ -350,6 +358,7 @@ gst_openh264enc_init (GstOpenh264Enc * openh264enc)
openh264enc->multi_thread = DEFAULT_MULTI_THREAD;
openh264enc->max_slice_size = DEFAULT_MAX_SLICE_SIZE;
openh264enc->bitrate = DEFAULT_BITRATE;
openh264enc->max_bitrate = DEFAULT_MAX_BITRATE;
openh264enc->framerate = START_FRAMERATE;
openh264enc->input_state = NULL;
openh264enc->time_per_frame = GST_SECOND / openh264enc->framerate;
@ -419,6 +428,10 @@ gst_openh264enc_set_property (GObject * object, guint property_id,
openh264enc->bitrate = g_value_get_uint (value);
break;
case PROP_MAX_BITRATE:
openh264enc->max_bitrate = g_value_get_uint (value);
break;
case PROP_MULTI_THREAD:
openh264enc->multi_thread = g_value_get_uint (value);
break;
@ -503,6 +516,10 @@ gst_openh264enc_get_property (GObject * object, guint property_id,
g_value_set_uint (value, openh264enc->bitrate);
break;
case PROP_MAX_BITRATE:
g_value_set_uint (value, openh264enc->max_bitrate);
break;
case PROP_ENABLE_DENOISE:
g_value_set_boolean (value, openh264enc->enable_denoise);
break;
@ -654,6 +671,7 @@ gst_openh264enc_set_format (GstVideoEncoder * encoder,
enc_params.iPicWidth = width;
enc_params.iPicHeight = height;
enc_params.iTargetBitrate = openh264enc->bitrate;
enc_params.iMaxBitrate = openh264enc->max_bitrate;
enc_params.iRCMode = openh264enc->rate_control;
enc_params.iTemporalLayerNum = 1;
enc_params.iSpatialLayerNum = 1;
@ -676,10 +694,11 @@ gst_openh264enc_set_format (GstVideoEncoder * encoder,
enc_params.fMaxFrameRate = fps_n * 1.0 / fps_d;
enc_params.iLoopFilterDisableIdc = openh264enc->deblocking_mode;
enc_params.sSpatialLayers[0].uiProfileIdc = PRO_BASELINE;
enc_params.sSpatialLayers[0].iVideoWidth = width;
enc_params.sSpatialLayers[0].iVideoHeight = height;
enc_params.sSpatialLayers[0].iVideoWidth = enc_params.iPicWidth;
enc_params.sSpatialLayers[0].iVideoHeight = enc_params.iPicHeight;
enc_params.sSpatialLayers[0].fFrameRate = fps_n * 1.0 / fps_d;
enc_params.sSpatialLayers[0].iSpatialBitrate = openh264enc->bitrate;
enc_params.sSpatialLayers[0].iSpatialBitrate = enc_params.iTargetBitrate;
enc_params.sSpatialLayers[0].iMaxSpatialBitrate = enc_params.iMaxBitrate;
if (openh264enc->slice_mode == SM_FIXEDSLCNUM_SLICE) {
if (openh264enc->num_slices == 1)

1
ext/openh264/gstopenh264enc.h
View file

@ -67,6 +67,7 @@ struct _GstOpenh264Enc
RC_MODES rate_control;
guint max_slice_size;
guint bitrate;
guint max_bitrate;
guint framerate;
guint multi_thread;
gboolean enable_denoise;