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dff494977b
Split plugin into features including typefind functions which can be indiviually registered during a static build. More details here: https://gitlab.freedesktop.org/gstreamer/gst-build/-/merge_requests/199 https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/661 Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/900>
84 lines
3.5 KiB
C
84 lines
3.5 KiB
C
/* GStreamer
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* Copyright (C) 2003 Benjamin Otte <in7y118@public.uni-hamburg.de>
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* Copyright (C) 2005-2009 Tim-Philipp Müller <tim centricular net>
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* Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk>
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* Copyright (C) 2020 Huawei Technologies Co., Ltd.
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* @Author: Stéphane Cerveau <scerveau@collabora.com>
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*
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* gsttypefindfunctionsriff.c: collection of various typefind functions
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* based on riff format.
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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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#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 "gsttypefindfunctionsplugin.h"
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#include "gsttypefindfunctionsdata.h"
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/*** same for riff types ***/
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static void
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riff_type_find (GstTypeFind * tf, gpointer private)
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{
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GstTypeFindData *riff_data = (GstTypeFindData *) private;
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const guint8 *data = gst_type_find_peek (tf, 0, 12);
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if (data && (memcmp (data, "RIFF", 4) == 0 || memcmp (data, "AVF0", 4) == 0)) {
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data += 8;
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if (memcmp (data, riff_data->data, 4) == 0)
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gst_type_find_suggest (tf, riff_data->probability, riff_data->caps);
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}
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}
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#define TYPE_FIND_REGISTER_RIFF_DEFINE(typefind_name, name, rank, ext, _data) \
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G_BEGIN_DECLS \
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static gboolean \
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G_PASTE(_private_type_find_riff_, typefind_name) (GstPlugin * plugin) \
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{ \
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GstTypeFindData *sw_data = g_slice_new (GstTypeFindData); \
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sw_data->data = (gpointer)_data; \
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sw_data->size = 4; \
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sw_data->probability = GST_TYPE_FIND_MAXIMUM; \
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sw_data->caps = gst_caps_new_empty_simple (name); \
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if (!gst_type_find_register (plugin, name, rank, riff_type_find, \
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ext, sw_data->caps, sw_data, \
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(GDestroyNotify) (sw_data_destroy))) { \
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sw_data_destroy (sw_data); \
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return FALSE; \
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} \
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return TRUE; \
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} \
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GST_TYPE_FIND_REGISTER_DEFINE_CUSTOM (typefind_name, G_PASTE(_private_type_find_riff_, typefind_name)); \
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G_END_DECLS
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/*RIFF type find definition */
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TYPE_FIND_REGISTER_RIFF_DEFINE (avi, "video/x-msvideo", GST_RANK_PRIMARY,
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"avi", "AVI ");
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TYPE_FIND_REGISTER_RIFF_DEFINE (qcp, "audio/qcelp", GST_RANK_PRIMARY,
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"qcp", "QLCM");
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TYPE_FIND_REGISTER_RIFF_DEFINE (cdxa, "video/x-cdxa", GST_RANK_PRIMARY,
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"dat", "CDXA");
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TYPE_FIND_REGISTER_RIFF_DEFINE (riff_mid, "audio/riff-midi",
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GST_RANK_PRIMARY, "mid,midi", "RMID");
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TYPE_FIND_REGISTER_RIFF_DEFINE (wav, "audio/x-wav", GST_RANK_PRIMARY, "wav",
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"WAVE");
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TYPE_FIND_REGISTER_RIFF_DEFINE (webp, "image/webp", GST_RANK_PRIMARY,
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"webp", "WEBP");
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