--- /dev/null
+/*
+ * 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 "gstomxtheoradec.h"
+
+GST_DEBUG_CATEGORY_STATIC (gst_omx_theora_dec_debug_category);
+#define GST_CAT_DEFAULT gst_omx_theora_dec_debug_category
+
+/* prototypes */
+static gboolean gst_omx_theora_dec_is_format_change (GstOMXVideoDec * dec,
+ GstOMXPort * port, GstVideoCodecState * state);
+static gboolean gst_omx_theora_dec_set_format (GstOMXVideoDec * dec,
+ GstOMXPort * port, GstVideoCodecState * state);
+static GstFlowReturn gst_omx_theora_dec_handle_frame (GstVideoDecoder * decoder,
+ GstVideoCodecFrame * frame);
+static gboolean gst_omx_theora_dec_stop (GstVideoDecoder * decoder);
+
+enum
+{
+ PROP_0
+};
+
+/* class initialization */
+
+#define DEBUG_INIT \
+ GST_DEBUG_CATEGORY_INIT (gst_omx_theora_dec_debug_category, "omxtheoradec", 0, \
+ "debug category for gst-omx video decoder base class");
+
+G_DEFINE_TYPE_WITH_CODE (GstOMXTheoraDec, gst_omx_theora_dec,
+ GST_TYPE_OMX_VIDEO_DEC, DEBUG_INIT);
+
+static void
+gst_omx_theora_dec_class_init (GstOMXTheoraDecClass * klass)
+{
+ GstVideoDecoderClass *gstvideodec_class = GST_VIDEO_DECODER_CLASS (klass);
+ GstOMXVideoDecClass *videodec_class = GST_OMX_VIDEO_DEC_CLASS (klass);
+ GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+
+ videodec_class->is_format_change =
+ GST_DEBUG_FUNCPTR (gst_omx_theora_dec_is_format_change);
+ videodec_class->set_format =
+ GST_DEBUG_FUNCPTR (gst_omx_theora_dec_set_format);
+
+ videodec_class->cdata.default_sink_template_caps = "video/x-theora";
+
+ gstvideodec_class->handle_frame = gst_omx_theora_dec_handle_frame;
+ gstvideodec_class->stop = gst_omx_theora_dec_stop;
+
+ gst_element_class_set_static_metadata (element_class,
+ "OpenMAX THEORA Video Decoder",
+ "Codec/Decoder/Video",
+ "Decode THEORA video streams",
+ "Sebastian Dröge <sebastian.droege@collabora.co.uk>");
+
+ gst_omx_set_default_role (&videodec_class->cdata, "video_decoder.theora");
+}
+
+static void
+gst_omx_theora_dec_init (GstOMXTheoraDec * self)
+{
+}
+
+static gboolean
+gst_omx_theora_dec_is_format_change (GstOMXVideoDec * dec,
+ GstOMXPort * port, GstVideoCodecState * state)
+{
+ return FALSE;
+}
+
+static gboolean
+gst_omx_theora_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_CodingTheora;
+ ret = gst_omx_port_update_port_definition (port, &port_def) == OMX_ErrorNone;
+
+ return ret;
+}
+
+static GstFlowReturn
+gst_omx_theora_dec_handle_frame (GstVideoDecoder * decoder,
+ GstVideoCodecFrame * frame)
+{
+ GstOMXTheoraDec *self = GST_OMX_THEORA_DEC (decoder);
+
+ if (GST_BUFFER_FLAG_IS_SET (frame->input_buffer, GST_BUFFER_FLAG_HEADER)) {
+ guint16 size;
+ GstBuffer *sbuf;
+
+ if (!self->header) {
+ self->header = gst_buffer_new ();
+ gst_buffer_copy_into (self->header, frame->input_buffer,
+ GST_BUFFER_COPY_FLAGS | GST_BUFFER_COPY_TIMESTAMPS, 0, -1);
+ }
+
+ size = gst_buffer_get_size (frame->input_buffer);
+ size = GUINT16_TO_BE (size);
+ sbuf = gst_buffer_new_and_alloc (2);
+ gst_buffer_fill (sbuf, 0, &size, 2);
+ self->header = gst_buffer_append (self->header, sbuf);
+
+ self->header =
+ gst_buffer_append (self->header, gst_buffer_ref (frame->input_buffer));
+
+ gst_video_decoder_drop_frame (GST_VIDEO_DECODER (self), frame);
+
+ return GST_FLOW_OK;
+ }
+
+ if (self->header) {
+ gst_buffer_replace (&GST_OMX_VIDEO_DEC (self)->codec_data, self->header);
+ gst_buffer_unref (self->header);
+ self->header = NULL;
+ }
+
+ return
+ GST_VIDEO_DECODER_CLASS (gst_omx_theora_dec_parent_class)->handle_frame
+ (GST_VIDEO_DECODER (self), frame);
+}
+
+static gboolean
+gst_omx_theora_dec_stop (GstVideoDecoder * decoder)
+{
+ GstOMXTheoraDec *self = GST_OMX_THEORA_DEC (decoder);
+
+ gst_buffer_replace (&self->header, NULL);
+
+ return TRUE;
+}
--- /dev/null
+/*
+ * Copyright (C) 2013, Collabota Ltd.
+ * Author: Sebastian Dröge <sebastian.droege@collabora.co.uk>
+ *
+ * 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_THEORA_DEC_H__
+#define __GST_OMX_THEORA_DEC_H__
+
+#include <gst/gst.h>
+#include "gstomxvideodec.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_OMX_THEORA_DEC \
+ (gst_omx_theora_dec_get_type())
+#define GST_OMX_THEORA_DEC(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_OMX_THEORA_DEC,GstOMXTheoraDec))
+#define GST_OMX_THEORA_DEC_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_OMX_THEORA_DEC,GstOMXTheoraDecClass))
+#define GST_OMX_THEORA_DEC_GET_CLASS(obj) \
+ (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_OMX_THEORA_DEC,GstOMXTheoraDecClass))
+#define GST_IS_OMX_THEORA_DEC(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_OMX_THEORA_DEC))
+#define GST_IS_OMX_THEORA_DEC_CLASS(obj) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_OMX_THEORA_DEC))
+
+typedef struct _GstOMXTheoraDec GstOMXTheoraDec;
+typedef struct _GstOMXTheoraDecClass GstOMXTheoraDecClass;
+
+struct _GstOMXTheoraDec
+{
+ GstOMXVideoDec parent;
+ GstBuffer *header;
+};
+
+struct _GstOMXTheoraDecClass
+{
+ GstOMXVideoDecClass parent_class;
+};
+
+GType gst_omx_theora_dec_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_OMX_THEORA_DEC_H__ */
+
projects / platform / upstream / gst-omx.git / commitdiff