From e4987d95b3e32599fff2e58206719c91a88fe185 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= Date: Mon, 18 Mar 2013 16:30:40 +0100 Subject: omx: Add MJPEG decoder support --- omx/Makefile.am | 2 + omx/gstomx.c | 5 ++- omx/gstomxmjpegdec.c | 102 +++++++++++++++++++++++++++++++++++++++++++++++++++ omx/gstomxmjpegdec.h | 60 ++++++++++++++++++++++++++++++ 4 files changed, 167 insertions(+), 2 deletions(-) create mode 100644 omx/gstomxmjpegdec.c create mode 100644 omx/gstomxmjpegdec.h diff --git a/omx/Makefile.am b/omx/Makefile.am index 6d46280..0a9e016 100644 --- a/omx/Makefile.am +++ b/omx/Makefile.am @@ -22,6 +22,7 @@ libgstopenmax_la_SOURCES = \ gstomxvideodec.c \ gstomxvideoenc.c \ gstomxaudioenc.c \ + gstomxmjpegdec.c \ gstomxmpeg4videodec.c \ gstomxmpeg2dec.c \ gstomxh264dec.c \ @@ -42,6 +43,7 @@ noinst_HEADERS = \ gstomxvideodec.h \ gstomxvideoenc.h \ gstomxaudioenc.h \ + gstomxmjpegdec.h \ gstomxmpeg2dec.h \ gstomxmpeg4videodec.h \ gstomxh264dec.h \ diff --git a/omx/gstomx.c b/omx/gstomx.c index 64a6467..2628586 100644 --- a/omx/gstomx.c +++ b/omx/gstomx.c @@ -28,6 +28,7 @@ #include #include "gstomx.h" +#include "gstomxmjpegdec.h" #include "gstomxmpeg2dec.h" #include "gstomxmpeg4videodec.h" #include "gstomxh264dec.h" @@ -2335,9 +2336,9 @@ static const GGetTypeFunction types[] = { gst_omx_h264_dec_get_type, gst_omx_h263_dec_get_type, gst_omx_wmv_dec_get_type, gst_omx_mpeg4_video_enc_get_type, gst_omx_h264_enc_get_type, gst_omx_h263_enc_get_type, - gst_omx_aac_enc_get_type + gst_omx_aac_enc_get_type, gst_omx_mjpeg_dec_get_type, #ifdef HAVE_VP8 - , gst_omx_vp8_dec_get_type + , gst_omx_vp8_dec_get_type #endif }; diff --git a/omx/gstomxmjpegdec.c b/omx/gstomxmjpegdec.c new file mode 100644 index 0000000..0f2873e --- /dev/null +++ b/omx/gstomxmjpegdec.c @@ -0,0 +1,102 @@ +/* + * Copyright (C) 2013, Collabora Ltd. + * Author: Sebastian Dröge + * + * 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 + +#include "gstomxmjpegdec.h" + +GST_DEBUG_CATEGORY_STATIC (gst_omx_mjpeg_dec_debug_category); +#define GST_CAT_DEFAULT gst_omx_mjpeg_dec_debug_category + +/* prototypes */ +static gboolean gst_omx_mjpeg_dec_is_format_change (GstOMXVideoDec * dec, + GstOMXPort * port, GstVideoCodecState * state); +static gboolean gst_omx_mjpeg_dec_set_format (GstOMXVideoDec * dec, + GstOMXPort * port, GstVideoCodecState * state); + +enum +{ + PROP_0 +}; + +/* class initialization */ + +#define DEBUG_INIT(bla) \ + GST_DEBUG_CATEGORY_INIT (gst_omx_mjpeg_dec_debug_category, "omxmjpegdec", 0, \ + "debug category for gst-omx video decoder base class"); + +GST_BOILERPLATE_FULL (GstOMXMJPEGDec, gst_omx_mjpeg_dec, + GstOMXVideoDec, GST_TYPE_OMX_VIDEO_DEC, DEBUG_INIT); + +static void +gst_omx_mjpeg_dec_base_init (gpointer g_class) +{ + GstElementClass *element_class = GST_ELEMENT_CLASS (g_class); + + gst_element_class_set_details_simple (element_class, + "OpenMAX MJPEG Video Decoder", + "Codec/Decoder/Video", + "Decode MJPEG video streams", + "Sebastian Dröge "); +} + +static void +gst_omx_mjpeg_dec_class_init (GstOMXMJPEGDecClass * klass) +{ + GstOMXVideoDecClass *videodec_class = GST_OMX_VIDEO_DEC_CLASS (klass); + + videodec_class->is_format_change = + GST_DEBUG_FUNCPTR (gst_omx_mjpeg_dec_is_format_change); + videodec_class->set_format = GST_DEBUG_FUNCPTR (gst_omx_mjpeg_dec_set_format); + + videodec_class->cdata.default_sink_template_caps = "image/jpeg"; + + gst_omx_set_default_role (&videodec_class->cdata, "video_decoder.mjpeg"); +} + +static void +gst_omx_mjpeg_dec_init (GstOMXMJPEGDec * self, GstOMXMJPEGDecClass * klass) +{ +} + +static gboolean +gst_omx_mjpeg_dec_is_format_change (GstOMXVideoDec * dec, + GstOMXPort * port, GstVideoCodecState * state) +{ + return FALSE; +} + +static gboolean +gst_omx_mjpeg_dec_set_format (GstOMXVideoDec * dec, GstOMXPort * port, + GstVideoCodecState * state) +{ + gboolean ret; + OMX_PARAM_PORTDEFINITIONTYPE port_def; + + gst_omx_port_get_port_definition (port, &port_def); + port_def.format.video.eCompressionFormat = OMX_VIDEO_CodingMJPEG; + ret = gst_omx_port_update_port_definition (port, &port_def) == OMX_ErrorNone; + + return ret; +} diff --git a/omx/gstomxmjpegdec.h b/omx/gstomxmjpegdec.h new file mode 100644 index 0000000..8802c8d --- /dev/null +++ b/omx/gstomxmjpegdec.h @@ -0,0 +1,60 @@ +/* + * Copyright (C) 2011, Hewlett-Packard Development Company, L.P. + * Author: Sebastian Dröge , 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_MJPEG_DEC_H__ +#define __GST_OMX_MJPEG_DEC_H__ + +#include +#include "gstomxvideodec.h" + +G_BEGIN_DECLS + +#define GST_TYPE_OMX_MJPEG_DEC \ + (gst_omx_mjpeg_dec_get_type()) +#define GST_OMX_MJPEG_DEC(obj) \ + (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OMX_MJPEG_DEC,GstOMXMJPEGDec)) +#define GST_OMX_MJPEG_DEC_CLASS(klass) \ + (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OMX_MJPEG_DEC,GstOMXMJPEGDecClass)) +#define GST_OMX_MJPEG_DEC_GET_CLASS(obj) \ + (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_OMX_MJPEG_DEC,GstOMXMJPEGDecClass)) +#define GST_IS_OMX_MJPEG_DEC(obj) \ + (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OMX_MJPEG_DEC)) +#define GST_IS_OMX_MJPEG_DEC_CLASS(obj) \ + (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OMX_MJPEG_DEC)) + +typedef struct _GstOMXMJPEGDec GstOMXMJPEGDec; +typedef struct _GstOMXMJPEGDecClass GstOMXMJPEGDecClass; + +struct _GstOMXMJPEGDec +{ + GstOMXVideoDec parent; +}; + +struct _GstOMXMJPEGDecClass +{ + GstOMXVideoDecClass parent_class; +}; + +GType gst_omx_mjpeg_dec_get_type (void); + +G_END_DECLS + +#endif /* __GST_OMX_MJPEG_DEC_H__ */ + -- cgit v1.2.1