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omxh264videodec: Add h.264 video decoder

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This commit is contained in:
Sebastian Dröge 2011-07-12 08:34:44 +02:00
parent b0154bc1fa
commit 079098c3d6
4 changed files with 204 additions and 0 deletions
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2
omx/Makefile.am
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@ -4,6 +4,7 @@ libgstomx_la_SOURCES = \
gstomx.c \
gstomxvideodec.c \
gstomxmpeg4videodec.c \
gstomxh264videodec.c \
gstbasevideocodec.c \
gstbasevideodecoder.c \
gstbasevideoencoder.c \
@ -12,6 +13,7 @@ libgstomx_la_SOURCES = \
noinst_HEADERS = \
gstomxvideodec.h \
gstomxmpeg4videodec.h \
gstomxh264videodec.h \
gstbasevideocodec.h \
gstbasevideodecoder.h \
gstbasevideoencoder.h \

5
omx/gstomx.c
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@ -27,6 +27,7 @@
#include "gstomx.h"
#include "gstomxmpeg4videodec.h"
#include "gstomxh264videodec.h"
GST_DEBUG_CATEGORY (gstomx_debug);
#define GST_CAT_DEFAULT gstomx_debug
@ -1443,6 +1444,10 @@ plugin_init (GstPlugin * plugin)
gst_element_register (plugin, "omxmpeg4videodec", GST_RANK_PRIMARY,
GST_TYPE_OMX_MPEG4_VIDEO_DEC);
ret |=
gst_element_register (plugin, "omxh264videodec", GST_RANK_PRIMARY,
GST_TYPE_OMX_H264_VIDEO_DEC);
return ret;
}

137
omx/gstomxh264videodec.c Normal file
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@ -0,0 +1,137 @@
/*
* Copyright (C) 2011, Hewlett-Packard Development Company, L.P.
* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>, Collabora Ltd.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include "gstomxh264videodec.h"
GST_DEBUG_CATEGORY_STATIC (gst_omx_h264_video_dec_debug_category);
#define GST_CAT_DEFAULT gst_omx_h264_video_dec_debug_category
/* prototypes */
static void gst_omx_h264_video_dec_finalize (GObject * object);
static gboolean gst_omx_h264_video_dec_is_format_change (GstOMXVideoDec * dec,
GstOMXPort * port, GstVideoState * state);
static gboolean gst_omx_h264_video_dec_set_format (GstOMXVideoDec * dec,
GstOMXPort * port, GstVideoState * state);
enum
{
PROP_0
};
/* class initialization */
#define DEBUG_INIT(bla) \
GST_DEBUG_CATEGORY_INIT (gst_omx_h264_video_dec_debug_category, "omxh264videodec", 0, \
"debug category for gst-omx video decoder base class");
GST_BOILERPLATE_FULL (GstOMXH264VideoDec, gst_omx_h264_video_dec,
GstOMXVideoDec, GST_TYPE_OMX_VIDEO_DEC, DEBUG_INIT);
static GstStaticPadTemplate gst_omx_h264_video_dec_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("video/x-h264, " "parsed=(boolean) true")
);
static GstStaticPadTemplate gst_omx_h264_video_dec_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
);
static void
gst_omx_h264_video_dec_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_omx_h264_video_dec_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_omx_h264_video_dec_sink_template));
gst_element_class_set_details_simple (element_class,
"OpenMAX H264 Video Decoder",
"Codec/Decoder/Video",
"Decode H264 video streams",
"Sebastian Dröge <sebastian.droege@collabora.co.uk>");
}
static void
gst_omx_h264_video_dec_class_init (GstOMXH264VideoDecClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstOMXVideoDecClass *videodec_class = GST_OMX_VIDEO_DEC_CLASS (klass);
gobject_class->finalize = gst_omx_h264_video_dec_finalize;
/* TODO: Make this configurable */
videodec_class->core_name = "/usr/local/lib/libomxil-bellagio.so.0";
videodec_class->component_name = "OMX.st.video_decoder.avc";
videodec_class->in_port_index = 0;
videodec_class->out_port_index = 1;
videodec_class->is_format_change =
GST_DEBUG_FUNCPTR (gst_omx_h264_video_dec_is_format_change);
videodec_class->set_format =
GST_DEBUG_FUNCPTR (gst_omx_h264_video_dec_set_format);
}
static void
gst_omx_h264_video_dec_init (GstOMXH264VideoDec * self,
GstOMXH264VideoDecClass * klass)
{
}
static void
gst_omx_h264_video_dec_finalize (GObject * object)
{
/* GstOMXH264VideoDec *self = GST_OMX_H264_VIDEO_DEC (object); */
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gboolean
gst_omx_h264_video_dec_is_format_change (GstOMXVideoDec * dec,
GstOMXPort * port, GstVideoState * state)
{
return FALSE;
}
static gboolean
gst_omx_h264_video_dec_set_format (GstOMXVideoDec * dec, GstOMXPort * port,
GstVideoState * state)
{
gboolean ret;
OMX_PARAM_PORTDEFINITIONTYPE port_def;
gst_omx_port_get_port_definition (port, &port_def);
port_def.format.video.eCompressionFormat = OMX_VIDEO_CodingAVC;
ret = gst_omx_port_update_port_definition (port, &port_def);
return ret;
}

60
omx/gstomxh264videodec.h Normal file
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@ -0,0 +1,60 @@
/*
* Copyright (C) 2011, Hewlett-Packard Development Company, L.P.
* Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>, Collabora Ltd.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifndef __GST_OMX_H264_VIDEO_DEC_H__
#define __GST_OMX_H264_VIDEO_DEC_H__
#include <gst/gst.h>
#include "gstomxvideodec.h"
G_BEGIN_DECLS
#define GST_TYPE_OMX_H264_VIDEO_DEC \
(gst_omx_h264_video_dec_get_type())
#define GST_OMX_H264_VIDEO_DEC(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OMX_H264_VIDEO_DEC,GstOMXH264VideoDec))
#define GST_OMX_H264_VIDEO_DEC_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OMX_H264_VIDEO_DEC,GstOMXH264VideoDecClass))
#define GST_OMX_H264_VIDEO_DEC_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_OMX_H264_VIDEO_DEC,GstOMXH264VideoDecClass))
#define GST_IS_OMX_H264_VIDEO_DEC(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OMX_H264_VIDEO_DEC))
#define GST_IS_OMX_H264_VIDEO_DEC_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OMX_H264_VIDEO_DEC))
typedef struct _GstOMXH264VideoDec GstOMXH264VideoDec;
typedef struct _GstOMXH264VideoDecClass GstOMXH264VideoDecClass;
struct _GstOMXH264VideoDec
{
GstOMXVideoDec parent;
};
struct _GstOMXH264VideoDecClass
{
GstOMXVideoDecClass parent_class;
};
GType gst_omx_h264_video_dec_get_type (void);
G_END_DECLS
#endif /* __GST_OMX_H264_VIDEO_DEC_H__ */