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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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6ce195e9d1
There used to be some profile/level support in encoders. This code was moved to GstV4l2Codecs and is now also used for decoders. The caps templates for the H.264, H.265, MPEG4, VP8 and VP9 encoders and decoders should now reflect the profiles and levels advertised by the kernel.
143 lines
3.8 KiB
C
143 lines
3.8 KiB
C
/*
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* Copyright (C) 2014 SUMOMO Computer Association
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* Author: ayaka <ayaka@soulik.info>
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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 <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <unistd.h>
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#include <string.h>
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#include "gstv4l2object.h"
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#include "gstv4l2h264enc.h"
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#include "gstv4l2h264codec.h"
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#include <string.h>
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#include <gst/gst-i18n-plugin.h>
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GST_DEBUG_CATEGORY_STATIC (gst_v4l2_h264_enc_debug);
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#define GST_CAT_DEFAULT gst_v4l2_h264_enc_debug
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static GstStaticCaps src_template_caps =
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GST_STATIC_CAPS ("video/x-h264, stream-format=(string) byte-stream, "
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"alignment=(string) au");
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enum
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{
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PROP_0,
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V4L2_STD_OBJECT_PROPS,
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/* TODO add H264 controls
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* PROP_I_FRAME_QP,
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* PROP_P_FRAME_QP,
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* PROP_B_FRAME_QP,
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* PROP_MIN_QP,
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* PROP_MAX_QP,
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* PROP_8x8_TRANSFORM,
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* PROP_CPB_SIZE,
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* PROP_ENTROPY_MODE,
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* PROP_I_PERIOD,
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* PROP_LOOP_FILTER_ALPHA,
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* PROP_LOOP_FILTER_BETA,
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* PROP_LOOP_FILTER_MODE,
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* PROP_VUI_EXT_SAR_HEIGHT,
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* PROP_VUI_EXT_SAR_WIDTH,
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* PROP_VUI_SAR_ENABLED,
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* PROP_VUI_SAR_IDC,
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* PROP_SEI_FRAME_PACKING,
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* PROP_SEI_FP_CURRENT_FRAME_0,
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* PROP_SEI_FP_ARRANGEMENT_TYP,
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* ...
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* */
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};
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#define gst_v4l2_h264_enc_parent_class parent_class
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G_DEFINE_TYPE (GstV4l2H264Enc, gst_v4l2_h264_enc, GST_TYPE_V4L2_VIDEO_ENC);
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static void
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gst_v4l2_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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/* TODO */
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}
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static void
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gst_v4l2_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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/* TODO */
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}
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static void
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gst_v4l2_h264_enc_init (GstV4l2H264Enc * self)
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{
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}
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static void
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gst_v4l2_h264_enc_class_init (GstV4l2H264EncClass * klass)
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{
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GstElementClass *element_class;
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GObjectClass *gobject_class;
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GstV4l2VideoEncClass *baseclass;
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parent_class = g_type_class_peek_parent (klass);
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element_class = (GstElementClass *) klass;
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gobject_class = (GObjectClass *) klass;
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baseclass = (GstV4l2VideoEncClass *) (klass);
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GST_DEBUG_CATEGORY_INIT (gst_v4l2_h264_enc_debug, "v4l2h264enc", 0,
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"V4L2 H.264 Encoder");
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gst_element_class_set_static_metadata (element_class,
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"V4L2 H.264 Encoder",
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"Codec/Encoder/Video/Hardware",
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"Encode H.264 video streams via V4L2 API", "ayaka <ayaka@soulik.info>");
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gobject_class->set_property =
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GST_DEBUG_FUNCPTR (gst_v4l2_h264_enc_set_property);
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gobject_class->get_property =
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GST_DEBUG_FUNCPTR (gst_v4l2_h264_enc_get_property);
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baseclass->codec_name = "H264";
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}
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/* Probing functions */
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gboolean
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gst_v4l2_is_h264_enc (GstCaps * sink_caps, GstCaps * src_caps)
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{
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return gst_v4l2_is_video_enc (sink_caps, src_caps,
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gst_static_caps_get (&src_template_caps));
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}
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void
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gst_v4l2_h264_enc_register (GstPlugin * plugin, const gchar * basename,
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const gchar * device_path, gint video_fd, GstCaps * sink_caps,
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GstCaps * src_caps)
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{
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const GstV4l2Codec *codec = gst_v4l2_h264_get_codec ();
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gst_v4l2_video_enc_register (plugin, GST_TYPE_V4L2_H264_ENC,
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"h264", basename, device_path, codec, video_fd, sink_caps,
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gst_static_caps_get (&src_template_caps), src_caps);
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}
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