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137 lines
4.1 KiB
C
137 lines
4.1 KiB
C
/*
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* Copyright (C) 2011, Hewlett-Packard Development Company, L.P.
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* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>, Collabora Ltd.
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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 Lesser General Public
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* License as published by the Free Software Foundation
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* version 2.1 of the License.
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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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, 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 <gst/gst.h>
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#include "gstomxh264dec.h"
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GST_DEBUG_CATEGORY_STATIC (gst_omx_h264_dec_debug_category);
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#define GST_CAT_DEFAULT gst_omx_h264_dec_debug_category
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/* prototypes */
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static void gst_omx_h264_dec_finalize (GObject * object);
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static gboolean gst_omx_h264_dec_is_format_change (GstOMXVideoDec * dec,
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GstOMXPort * port, GstVideoState * state);
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static gboolean gst_omx_h264_dec_set_format (GstOMXVideoDec * dec,
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GstOMXPort * port, GstVideoState * state);
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enum
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{
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PROP_0
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};
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/* class initialization */
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#define DEBUG_INIT(bla) \
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GST_DEBUG_CATEGORY_INIT (gst_omx_h264_dec_debug_category, "omxh264dec", 0, \
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"debug category for gst-omx video decoder base class");
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GST_BOILERPLATE_FULL (GstOMXH264Dec, gst_omx_h264_dec,
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GstOMXVideoDec, GST_TYPE_OMX_VIDEO_DEC, DEBUG_INIT);
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static GstStaticPadTemplate gst_omx_h264_dec_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-h264, "
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"parsed=(boolean) true, "
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"alignment=(string)au, " "stream-format=(string) {avc, byte-stream}")
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);
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static GstStaticPadTemplate gst_omx_h264_dec_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 (GST_VIDEO_CAPS_YUV ("I420"))
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);
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static void
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gst_omx_h264_dec_base_init (gpointer g_class)
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{
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GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_omx_h264_dec_src_template));
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gst_element_class_add_pad_template (element_class,
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gst_static_pad_template_get (&gst_omx_h264_dec_sink_template));
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gst_element_class_set_details_simple (element_class,
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"OpenMAX H264 Video Decoder",
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"Codec/Decoder/Video",
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"Decode H264 video streams",
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"Sebastian Dröge <sebastian.droege@collabora.co.uk>");
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}
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static void
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gst_omx_h264_dec_class_init (GstOMXH264DecClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GstOMXVideoDecClass *videodec_class = GST_OMX_VIDEO_DEC_CLASS (klass);
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gobject_class->finalize = gst_omx_h264_dec_finalize;
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/* TODO: Make this configurable */
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videodec_class->core_name = "/usr/local/lib/libomxil-bellagio.so.0";
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videodec_class->component_name = "OMX.st.video_decoder.avc";
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videodec_class->in_port_index = 0;
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videodec_class->out_port_index = 1;
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videodec_class->is_format_change =
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GST_DEBUG_FUNCPTR (gst_omx_h264_dec_is_format_change);
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videodec_class->set_format = GST_DEBUG_FUNCPTR (gst_omx_h264_dec_set_format);
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}
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static void
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gst_omx_h264_dec_init (GstOMXH264Dec * self, GstOMXH264DecClass * klass)
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{
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}
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static void
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gst_omx_h264_dec_finalize (GObject * object)
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{
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/* GstOMXH264Dec *self = GST_OMX_H264_DEC (object); */
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static gboolean
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gst_omx_h264_dec_is_format_change (GstOMXVideoDec * dec,
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GstOMXPort * port, GstVideoState * state)
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{
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return FALSE;
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}
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static gboolean
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gst_omx_h264_dec_set_format (GstOMXVideoDec * dec, GstOMXPort * port,
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GstVideoState * state)
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{
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gboolean ret;
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OMX_PARAM_PORTDEFINITIONTYPE port_def;
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gst_omx_port_get_port_definition (port, &port_def);
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port_def.format.video.eCompressionFormat = OMX_VIDEO_CodingAVC;
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ret = gst_omx_port_update_port_definition (port, &port_def);
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return ret;
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}
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