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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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3215136d67
Fixes https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/1495 Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3163>
115 lines
2.9 KiB
C
115 lines
2.9 KiB
C
/* GStreamer
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* Copyright (C) 2022 Edward Hervey <edward@centricular.com>
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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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/* Custom mappings
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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 <gst/base/base.h>
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#include <gst/video/video.h>
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#include <string.h>
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#include "mxfcustom.h"
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#include "mxfessence.h"
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GST_DEBUG_CATEGORY_EXTERN (mxf_debug);
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#define GST_CAT_DEFAULT mxf_debug
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/* Custom Canon XF-HEVC essence */
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static const MXFUL mxf_canon_xf_hevc = { {0x06, 0x0E, 0x2B, 0x34,
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0x04, 0x01, 0x01, 0x0c,
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0x0e, 0x15, 0x00, 0x04,
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0x02, 0x10, 0x00, 0x01}
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};
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static gboolean
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mxf_is_canon_xfhevc_essence_track (const MXFMetadataTimelineTrack * track)
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{
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guint i;
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g_return_val_if_fail (track != NULL, FALSE);
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if (track->parent.descriptor == NULL)
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return FALSE;
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for (i = 0; i < track->parent.n_descriptor; i++) {
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MXFMetadataFileDescriptor *d = track->parent.descriptor[i];
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MXFUL *key;
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if (!d)
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continue;
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key = &d->essence_container;
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if (mxf_ul_is_equal (key, &mxf_canon_xf_hevc))
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return TRUE;
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}
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return FALSE;
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}
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static GstFlowReturn
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mxf_canon_xfhevc_handle_essence_element (const MXFUL * key, GstBuffer * buffer,
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GstCaps * caps,
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MXFMetadataTimelineTrack * track,
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gpointer mapping_data, GstBuffer ** outbuf)
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{
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*outbuf = buffer;
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/* Blindly accept it */
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return GST_FLOW_OK;
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}
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static MXFEssenceWrapping
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mxf_canon_xfhevc_get_track_wrapping (const MXFMetadataTimelineTrack * track)
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{
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/* Assume it's always frame wrapping */
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return MXF_ESSENCE_WRAPPING_FRAME_WRAPPING;
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}
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static GstCaps *
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mxf_canon_xfhevc_create_caps (MXFMetadataTimelineTrack * track,
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GstTagList ** tags, gboolean * intra_only,
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MXFEssenceElementHandleFunc * handler, gpointer * mapping_data)
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{
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GstCaps *caps = NULL;
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g_return_val_if_fail (track != NULL, NULL);
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*handler = mxf_canon_xfhevc_handle_essence_element;
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*intra_only = TRUE;
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caps = gst_caps_from_string ("video/x-h265");
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return caps;
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}
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static const MXFEssenceElementHandler mxf_canon_xfhevc_essence_element_handler = {
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mxf_is_canon_xfhevc_essence_track,
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mxf_canon_xfhevc_get_track_wrapping,
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mxf_canon_xfhevc_create_caps
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};
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void
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mxf_custom_init (void)
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{
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mxf_essence_element_handler_register
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(&mxf_canon_xfhevc_essence_element_handler);
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}
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