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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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51151e7aa1
This integrates support for GStreamer API >= 1.0 only in the libgstvaapi core decoding library. The changes are kept rather minimal here so that the library retains as little dependency as possible on core GStreamer functionality. Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>
107 lines
3.8 KiB
C
107 lines
3.8 KiB
C
/*
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* gstcompat.h - Compatibility glue for GStreamer
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*
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* Copyright (C) 2013 Intel Corporation
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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 License
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* as published by the Free Software Foundation; either version 2.1
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* 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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* 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
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#ifndef GST_COMPAT_H
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#define GST_COMPAT_H
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#include <gst/gst.h>
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/* ------------------------------------------------------------------------ */
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/* --- GStreamer >= 1.0 --- */
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/* ------------------------------------------------------------------------ */
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#if GST_CHECK_VERSION(1,0,0)
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#include <gst/video/gstvideometa.h>
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/* GstStructure */
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#undef gst_structure_get_fourcc
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#define gst_structure_get_fourcc(structure, fieldname, value) \
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gst_compat_structure_get_fourcc(structure, fieldname, value)
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static inline gboolean
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gst_compat_structure_get_fourcc(const GstStructure *structure,
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const gchar *fieldname, guint32 *value)
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{
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const gchar *s = gst_structure_get_string(structure, fieldname);
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if (!s || strlen(s) != 4)
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return FALSE;
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*value = GST_MAKE_FOURCC(s[0], s[1], s[2], s[3]);
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return TRUE;
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}
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/* ------------------------------------------------------------------------ */
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/* --- GStreamer = 0.10 --- */
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/* ------------------------------------------------------------------------ */
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#else
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/* GstVideoOverlayComposition */
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#include <gst/video/video-overlay-composition.h>
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#undef gst_video_overlay_rectangle_get_pixels_unscaled_raw
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#define gst_video_overlay_rectangle_get_pixels_unscaled_raw(rect, flags) \
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gst_compat_video_overlay_rectangle_get_pixels_unscaled_raw(rect, flags)
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#ifndef HAVE_GST_VIDEO_OVERLAY_HWCAPS
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#define gst_video_overlay_rectangle_get_flags(rect) (0)
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#define gst_video_overlay_rectangle_get_global_alpha(rect) (1.0f)
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#endif
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static inline GstBuffer *
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gst_compat_video_overlay_rectangle_get_pixels_unscaled_raw(
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GstVideoOverlayRectangle *rect, GstVideoOverlayFormatFlags flags)
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{
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guint width, height, stride;
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/* Try to retrieve the original buffer that was passed to
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gst_video_overlay_rectangle_new_argb(). This will only work if
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there was no previous user that required pixels with non native
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alpha type */
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return gst_video_overlay_rectangle_get_pixels_unscaled_argb(rect,
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&width, &height, &stride, flags);
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}
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/* GstElement */
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#undef gst_element_class_set_static_metadata
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#define gst_element_class_set_static_metadata(klass, name, path, desc, author) \
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gst_compat_element_class_set_static_metadata(klass, name, path, desc, author)
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static inline void
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gst_compat_element_class_set_static_metadata(GstElementClass *klass,
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const gchar *name, const char *path, const gchar *desc, const gchar *author)
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{
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gst_element_class_set_details_simple(klass, name, path, desc, author);
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}
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/* GstTypeFind */
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#undef GstTypeFindPeekFunction
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#define GstTypeFindPeekFunction GstCompatTypeFindPeekFunction
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#undef GstTypeFindSuggestFunction
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#define GstTypeFindSuggestFunction GstCompatTypeFindSuggestFunction
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typedef guint8 *(*GstCompatTypeFindPeekFunction)(gpointer, gint64, guint);
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typedef void (*GstCompatTypeFindSuggestFunction)(gpointer, guint, const GstCaps *);
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#endif
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#endif /* GST_COMPAT_H */
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