/*
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* Copyright 2018 Rockchip Electronics Co., Ltd
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* Author: Randy Li <randy.li@rock-chips.com>
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*
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* Copyright 2021 Rockchip Electronics Co., Ltd
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* Author: Jeffy Chen <jeffy.chen@rock-chips.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <string.h>
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#include "gstmppjpegenc.h"
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#define GST_MPP_JPEG_ENC(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj), \
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GST_TYPE_MPP_JPEG_ENC, GstMppJpegEnc))
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#define GST_CAT_DEFAULT mpp_jpeg_enc_debug
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GST_DEBUG_CATEGORY (GST_CAT_DEFAULT);
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struct _GstMppJpegEnc
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{
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GstMppEnc parent;
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guint quant;
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};
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#define parent_class gst_mpp_jpeg_enc_parent_class
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G_DEFINE_TYPE (GstMppJpegEnc, gst_mpp_jpeg_enc, GST_TYPE_MPP_ENC);
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#define DEFAULT_PROP_QUANT 10
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enum
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{
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PROP_0,
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PROP_QUANT,
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PROP_LAST,
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};
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#define GST_MPP_JPEG_ENC_SIZE_CAPS \
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"width = (int) [ 16, MAX ], height = (int) [ 16, MAX ]"
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static GstStaticPadTemplate gst_mpp_jpeg_enc_src_template =
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GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("image/jpeg, "
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GST_MPP_JPEG_ENC_SIZE_CAPS "," "sof-marker = { 0 }"));
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static GstStaticPadTemplate gst_mpp_jpeg_enc_sink_template =
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GST_STATIC_PAD_TEMPLATE ("sink",
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GST_PAD_SINK,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/x-raw,"
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"format = (string) { " MPP_ENC_FORMATS " }, "
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GST_MPP_JPEG_ENC_SIZE_CAPS));
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static void
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gst_mpp_h264_enc_set_property (GObject * object,
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guint prop_id, const GValue * value, GParamSpec * pspec)
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{
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GstVideoEncoder *encoder = GST_VIDEO_ENCODER (object);
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GstMppJpegEnc *self = GST_MPP_JPEG_ENC (encoder);
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GstMppEnc *mppenc = GST_MPP_ENC (encoder);
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switch (prop_id) {
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case PROP_QUANT:{
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guint quant = g_value_get_uint (value);
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if (self->quant == quant)
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return;
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self->quant = quant;
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break;
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}
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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return;
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}
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mppenc->prop_dirty = TRUE;
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}
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static void
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gst_mpp_h264_enc_get_property (GObject * object,
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guint prop_id, GValue * value, GParamSpec * pspec)
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{
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GstVideoEncoder *encoder = GST_VIDEO_ENCODER (object);
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GstMppJpegEnc *self = GST_MPP_JPEG_ENC (encoder);
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switch (prop_id) {
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case PROP_QUANT:
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g_value_set_uint (value, self->quant);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static gboolean
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gst_mpp_jpeg_enc_apply_properties (GstVideoEncoder * encoder)
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{
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GstMppJpegEnc *self = GST_MPP_JPEG_ENC (encoder);
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GstMppEnc *mppenc = GST_MPP_ENC (encoder);
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if (!mppenc->prop_dirty)
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return TRUE;
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mpp_enc_cfg_set_s32 (mppenc->mpp_cfg, "jpeg:quant", self->quant);
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return gst_mpp_enc_apply_properties (encoder);
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}
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static gboolean
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gst_mpp_jpeg_enc_set_format (GstVideoEncoder * encoder,
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GstVideoCodecState * state)
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{
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GstVideoEncoderClass *pclass = GST_VIDEO_ENCODER_CLASS (parent_class);
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GstCaps *caps;
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if (!pclass->set_format (encoder, state))
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return FALSE;
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if (!gst_mpp_jpeg_enc_apply_properties (encoder))
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return FALSE;
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caps = gst_caps_new_empty_simple ("image/jpeg");
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return gst_mpp_enc_set_src_caps (encoder, caps);
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}
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static GstFlowReturn
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gst_mpp_jpeg_enc_handle_frame (GstVideoEncoder * encoder,
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GstVideoCodecFrame * frame)
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{
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GstVideoEncoderClass *pclass = GST_VIDEO_ENCODER_CLASS (parent_class);
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if (G_UNLIKELY (!gst_mpp_jpeg_enc_apply_properties (encoder))) {
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gst_video_codec_frame_unref (frame);
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return GST_FLOW_NOT_NEGOTIATED;
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}
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return pclass->handle_frame (encoder, frame);
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}
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static void
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gst_mpp_jpeg_enc_init (GstMppJpegEnc * self)
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{
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self->parent.mpp_type = MPP_VIDEO_CodingMJPEG;
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self->quant = DEFAULT_PROP_QUANT;
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}
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static void
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gst_mpp_jpeg_enc_class_init (GstMppJpegEncClass * klass)
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{
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GstVideoEncoderClass *encoder_class = GST_VIDEO_ENCODER_CLASS (klass);
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
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GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "mppjpegenc", 0,
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"MPP JPEG encoder");
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encoder_class->set_format = GST_DEBUG_FUNCPTR (gst_mpp_jpeg_enc_set_format);
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encoder_class->handle_frame =
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GST_DEBUG_FUNCPTR (gst_mpp_jpeg_enc_handle_frame);
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gobject_class->set_property =
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GST_DEBUG_FUNCPTR (gst_mpp_h264_enc_set_property);
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gobject_class->get_property =
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GST_DEBUG_FUNCPTR (gst_mpp_h264_enc_get_property);
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g_object_class_install_property (gobject_class, PROP_QUANT,
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g_param_spec_uint ("quant", "Quant",
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"JPEG Quantization", 0, 10, DEFAULT_PROP_QUANT,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_mpp_jpeg_enc_src_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_mpp_jpeg_enc_sink_template));
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gst_element_class_set_static_metadata (element_class,
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"Rockchip Mpp JPEG Encoder", "Codec/Encoder/Video",
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"Encode video streams via Rockchip Mpp",
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"Randy Li <randy.li@rock-chips.com>, "
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"Jeffy Chen <jeffy.chen@rock-chips.com>");
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}
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gboolean
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gst_mpp_jpeg_enc_register (GstPlugin * plugin, guint rank)
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{
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if (!gst_mpp_enc_supported (MPP_VIDEO_CodingMJPEG))
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return FALSE;
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return gst_element_register (plugin, "mppjpegenc", rank,
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gst_mpp_jpeg_enc_get_type ());
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}
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