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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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501 lines
15 KiB
C
501 lines
15 KiB
C
/* GStreamer unit tests for the -base typefind functions
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*
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* Copyright (C) 2007 Tim-Philipp Müller <tim centricular net>
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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/check/gstcheck.h>
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#include <gst/base/gsttypefindhelper.h>
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static GstCaps *
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typefind_data (const guint8 * data, gsize data_size,
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GstTypeFindProbability * prob)
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{
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GstBuffer *buf;
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GstCaps *caps;
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GST_MEMDUMP ("typefind data", data, data_size);
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buf = gst_buffer_new ();
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gst_buffer_append_memory (buf,
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gst_memory_new_wrapped (GST_MEMORY_FLAG_READONLY,
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(guint8 *) data, data_size, 0, data_size, NULL, NULL));
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GST_BUFFER_OFFSET (buf) = 0;
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caps = gst_type_find_helper_for_buffer (NULL, buf, prob);
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GST_INFO ("caps: %" GST_PTR_FORMAT ", probability=%u", caps, *prob);
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gst_buffer_unref (buf);
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return caps;
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}
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GST_START_TEST (test_quicktime_mpeg4video)
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{
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/* quicktime redirect file which starts with what could also be interpreted
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* as an MPEG-4 video object layer start code */
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const guint8 qt_redirect_396042[] =
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{ 0x00, 0x00, 0x01, 0x22, 0x6d, 0x6f, 0x6f, 0x76, 0x00, 0x00, 0x01, 0x1a,
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0x72, 0x6d, 0x72, 0x61, 0x00, 0x00, 0x00, 0x86, 0x72, 0x6d, 0x64, 0x61,
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0x00, 0x00, 0x00, 0x54, 0x72, 0x64, 0x72, 0x66, 0x00, 0x00, 0x00, 0x00,
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0x75, 0x72, 0x6c, 0x20, 0x00, 0x00, 0x00, 0x40, 0x68, 0x74, 0x74, 0x70,
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0x3a, 0x2f, 0x2f, 0x73, 0x74, 0x72, 0x65, 0x61, 0x6d, 0x2e, 0x71, 0x74,
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0x76, 0x2e, 0x61, 0x70, 0x70, 0x6c, 0x65, 0x2e, 0x63, 0x6f, 0x6d, 0x2f,
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0x65, 0x76, 0x65, 0x6e, 0x74, 0x73, 0x2f, 0x6a, 0x61, 0x6e, 0x2f, 0x6a,
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0x34, 0x37, 0x64, 0x35, 0x32, 0x6f, 0x6f, 0x2f, 0x71, 0x74, 0x37, 0x72,
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0x65, 0x71, 0x75, 0x69, 0x72, 0x65, 0x64, 0x2e, 0x6d, 0x6f, 0x76, 0x00,
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0x00, 0x00, 0x00, 0x10, 0x72, 0x6d, 0x64, 0x72, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x0a, 0xf0, 0x00, 0x00, 0x00, 0x1a, 0x72, 0x6d, 0x76, 0x63,
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0x00, 0x00, 0x00, 0x00, 0x71, 0x74, 0x69, 0x6d, 0x06, 0x50, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8c, 0x72, 0x6d,
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0x64, 0x61, 0x00, 0x00, 0x00, 0x5a, 0x72, 0x64, 0x72, 0x66, 0x00, 0x00,
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0x00, 0x00, 0x75, 0x72, 0x6c, 0x20, 0x00, 0x00, 0x00, 0x46, 0x68, 0x74,
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0x74, 0x70, 0x3a, 0x2f, 0x2f, 0x73, 0x74, 0x72, 0x65, 0x61, 0x6d, 0x2e,
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0x71, 0x74, 0x76, 0x2e, 0x61, 0x70, 0x70, 0x6c, 0x65, 0x2e, 0x63, 0x6f,
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0x6d, 0x2f, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x73, 0x2f, 0x6a, 0x61, 0x6e,
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0x2f, 0x6a, 0x34, 0x37, 0x64, 0x35, 0x32, 0x6f, 0x6f, 0x2f, 0x38, 0x38,
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0x34, 0x38, 0x31, 0x32, 0x35, 0x5f, 0x32, 0x5f, 0x33, 0x35, 0x30, 0x5f,
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0x72, 0x65, 0x66, 0x2e, 0x6d, 0x6f, 0x76, 0x00, 0x00, 0x00, 0x00, 0x10,
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0x72, 0x6d, 0x64, 0x72, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0xf0,
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0x00, 0x00, 0x00, 0x1a, 0x72, 0x6d, 0x76, 0x63, 0x00, 0x00, 0x00, 0x00,
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0x71, 0x74, 0x69, 0x6d, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00
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};
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GstTypeFindProbability prob;
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const gchar *type;
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GstBuffer *buf;
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GstCaps *caps = NULL;
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buf = gst_buffer_new ();
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gst_buffer_append_memory (buf,
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gst_memory_new_wrapped (GST_MEMORY_FLAG_READONLY,
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(gpointer) qt_redirect_396042,
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sizeof (qt_redirect_396042), 0, sizeof (qt_redirect_396042), NULL,
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NULL));
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GST_BUFFER_OFFSET (buf) = 0;
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caps = gst_type_find_helper_for_buffer (NULL, buf, &prob);
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fail_unless (caps != NULL);
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GST_LOG ("Found type: %" GST_PTR_FORMAT, caps);
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type = gst_structure_get_name (gst_caps_get_structure (caps, 0));
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fail_unless_equals_string (type, "video/quicktime");
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fail_unless (prob > GST_TYPE_FIND_MINIMUM && prob <= GST_TYPE_FIND_MAXIMUM);
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gst_buffer_unref (buf);
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gst_caps_unref (caps);
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}
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GST_END_TEST;
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GST_START_TEST (test_broken_flac_in_ogg)
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{
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const guint8 flac_id_packet[4] = { 'f', 'L', 'a', 'C' };
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GstTypeFindProbability prob;
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const gchar *type;
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GstBuffer *buf;
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GstCaps *caps = NULL;
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buf = gst_buffer_new ();
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gst_buffer_append_memory (buf,
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gst_memory_new_wrapped (GST_MEMORY_FLAG_READONLY,
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(gpointer) flac_id_packet,
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sizeof (flac_id_packet), 0, sizeof (flac_id_packet), NULL, NULL));
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GST_BUFFER_OFFSET (buf) = 0;
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caps = gst_type_find_helper_for_buffer (NULL, buf, &prob);
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fail_unless (caps != NULL);
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GST_LOG ("Found type: %" GST_PTR_FORMAT, caps);
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type = gst_structure_get_name (gst_caps_get_structure (caps, 0));
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fail_unless_equals_string (type, "audio/x-flac");
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fail_unless (prob > GST_TYPE_FIND_MINIMUM && prob <= GST_TYPE_FIND_MAXIMUM);
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gst_buffer_unref (buf);
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gst_caps_unref (caps);
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}
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GST_END_TEST;
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static GstCaps *
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typefind_test_file (const gchar * filename)
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{
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GstBuffer *buf;
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GError *err = NULL;
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GstCaps *caps = NULL;
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gchar *path, *data = NULL;
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gsize data_len;
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path = g_build_filename (GST_TEST_FILES_PATH, filename, NULL);
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GST_LOG ("reading file '%s'", path);
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if (!g_file_get_contents (path, &data, &data_len, &err)) {
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g_error ("error loading test file: %s", err->message);
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g_clear_error (&err);
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}
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buf = gst_buffer_new ();
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gst_buffer_append_memory (buf,
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gst_memory_new_wrapped (GST_MEMORY_FLAG_READONLY,
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(gpointer) data, data_len, 0, data_len, NULL, NULL));
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GST_BUFFER_OFFSET (buf) = 0;
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caps = gst_type_find_helper_for_buffer (NULL, buf, NULL);
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fail_unless (caps != NULL);
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GST_LOG ("Found type: %" GST_PTR_FORMAT, caps);
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gst_buffer_unref (buf);
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g_free (data);
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g_free (path);
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return caps;
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}
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GST_START_TEST (test_jpeg_not_ac3)
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{
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const gchar *type;
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GstCaps *caps = NULL;
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caps = typefind_test_file ("partialframe.mjpeg");
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type = gst_structure_get_name (gst_caps_get_structure (caps, 0));
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fail_unless_equals_string (type, "image/jpeg");
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gst_caps_unref (caps);
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}
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GST_END_TEST;
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GST_START_TEST (test_mpegts)
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{
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GstStructure *s;
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gboolean systemstream = FALSE;
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GstCaps *caps = NULL;
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gint packetsize = -1;
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caps = typefind_test_file ("623663.mts");
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s = gst_caps_get_structure (caps, 0);
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fail_unless (gst_structure_has_name (s, "video/mpegts"));
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fail_unless (gst_structure_has_field (s, "systemstream"));
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fail_unless (gst_structure_get_boolean (s, "systemstream", &systemstream));
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fail_unless_equals_int (systemstream, TRUE);
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fail_unless (gst_structure_has_field (s, "packetsize"));
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fail_unless (gst_structure_get_int (s, "packetsize", &packetsize));
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fail_unless_equals_int (packetsize, 192);
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gst_caps_unref (caps);
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}
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GST_END_TEST;
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struct ac3_frmsize
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{
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unsigned frmsizecod;
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unsigned frmsize;
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};
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static void
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make_ac3_packet (guint8 * data, guint bytesize, guint bsid)
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{
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/* Actually not a fully valid packet; if the typefinder starts to
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* check e.g. the CRCs, this test needs to be improved as well. */
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const guint8 ac3_header[] = {
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0x0b, 0x77, /* syncword */
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0x00, 0x00, /* crc1 */
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0x00, /* fscod 0xc0, frmsizecod 0x3f */
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0x00 /* bsid 0xf8, bsmod 0x07 */
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};
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const struct ac3_frmsize frmsize[] = {
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{17, 256}, {26, 640} /* small subset of supported sizes */
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};
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guint wordsize = bytesize >> 1, frmsizecod = 0;
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int i;
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fail_unless ((bytesize & 0x01) == 0);
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fail_unless (bytesize >= sizeof (ac3_header));
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for (i = 0; i < G_N_ELEMENTS (frmsize); i++) {
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if (frmsize[i].frmsize == wordsize) {
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frmsizecod = frmsize[i].frmsizecod;
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break;
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}
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}
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fail_unless (frmsizecod);
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memcpy (data, ac3_header, sizeof (ac3_header));
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data[4] = (data[4] & ~0x3f) | (frmsizecod & 0x3f);
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data[5] = (bsid & 0x1f) << 3;
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memset (data + 6, 0, bytesize - 6);
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}
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GST_START_TEST (test_ac3)
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{
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GstTypeFindProbability prob;
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const gchar *type;
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GstBuffer *buf;
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GstCaps *caps = NULL;
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guint bsid;
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for (bsid = 0; bsid < 32; bsid++) {
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GstMapInfo map;
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buf = gst_buffer_new_and_alloc ((256 + 640) * 2);
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gst_buffer_map (buf, &map, GST_MAP_WRITE);
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make_ac3_packet (map.data, 256 * 2, bsid);
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make_ac3_packet (map.data + 256 * 2, 640 * 2, bsid);
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gst_buffer_unmap (buf, &map);
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caps = gst_type_find_helper_for_buffer (NULL, buf, &prob);
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if (bsid <= 8) {
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fail_unless (caps != NULL);
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GST_LOG ("Found type for BSID %u: %" GST_PTR_FORMAT, bsid, caps);
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type = gst_structure_get_name (gst_caps_get_structure (caps, 0));
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fail_unless_equals_string (type, "audio/x-ac3");
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fail_unless (prob > GST_TYPE_FIND_MINIMUM
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&& prob <= GST_TYPE_FIND_MAXIMUM);
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gst_caps_unref (caps);
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} else {
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fail_unless (caps == NULL);
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}
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gst_buffer_unref (buf);
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}
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}
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GST_END_TEST;
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static void
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make_eac3_packet (guint8 * data, guint bytesize, guint bsid)
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{
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/* Actually not a fully valid packet; if the typefinder starts to
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* check e.g. the CRCs, this test needs to be improved as well. */
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const guint8 eac3_header[] = {
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0x0b, 0x77, /* syncword */
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0x00, /* strmtyp 0xc0, substreamid 0x38,
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* frmsize 0x07 (3 high bits) */
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0x00, /* frmsize (low bits -> 11 total) */
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0x00, /* fscod 0xc0, fscod2/numblocks 0x30,
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* acmod 0x0e, lfeon 0x01 */
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0x00 /* bsid 0xf8, dialnorm 0x07 (3 high bits) */
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};
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guint wordsize = bytesize >> 1;
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fail_unless ((bytesize & 0x01) == 0);
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fail_unless (bytesize >= sizeof (eac3_header));
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memcpy (data, eac3_header, sizeof (eac3_header));
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data[2] = (data[2] & ~0x07) | ((((wordsize - 1) & 0x700) >> 8) & 0xff);
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data[3] = (wordsize - 1) & 0xff;
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data[5] = (bsid & 0x1f) << 3;
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memset (data + 6, 0, bytesize - 6);
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}
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GST_START_TEST (test_eac3)
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{
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GstTypeFindProbability prob;
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const gchar *type;
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GstBuffer *buf;
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GstCaps *caps = NULL;
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guint bsid;
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for (bsid = 0; bsid <= 32; bsid++) {
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GstMapInfo map;
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buf = gst_buffer_new_and_alloc (558 + 384);
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gst_buffer_map (buf, &map, GST_MAP_WRITE);
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make_eac3_packet (map.data, 558, bsid);
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make_eac3_packet (map.data + 558, 384, bsid);
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gst_buffer_unmap (buf, &map);
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caps = gst_type_find_helper_for_buffer (NULL, buf, &prob);
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if (bsid > 10 && bsid <= 16) {
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/* Only BSIs 11..16 are valid for Annex E */
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fail_unless (caps != NULL);
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GST_LOG ("Found type for BSID %u: %" GST_PTR_FORMAT, bsid, caps);
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type = gst_structure_get_name (gst_caps_get_structure (caps, 0));
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fail_unless_equals_string (type, "audio/x-eac3");
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fail_unless (prob > GST_TYPE_FIND_MINIMUM
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&& prob <= GST_TYPE_FIND_MAXIMUM);
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gst_caps_unref (caps);
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} else {
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/* Invalid E-AC-3 BSID, must not be detected as anything: */
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fail_unless (caps == NULL);
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}
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gst_buffer_unref (buf);
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}
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}
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GST_END_TEST;
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#define TEST_RANDOM_DATA_SIZE (4*1024)
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/* typefind random data, to make sure all typefinders are called */
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GST_START_TEST (test_random_data)
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{
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GstTypeFindProbability prob;
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const gchar *seed_env;
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GstBuffer *buf;
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GstCaps *caps;
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guint32 seed;
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guint8 *data;
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gint i;
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seed_env = g_getenv ("GST_TYPEFIND_TEST_SEED");
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if (seed_env != NULL)
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seed = atoi (seed_env);
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else
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seed = (guint32) time (NULL);
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g_random_set_seed (seed);
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data = g_malloc (TEST_RANDOM_DATA_SIZE);
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for (i = 0; i < TEST_RANDOM_DATA_SIZE; ++i)
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data[i] = g_random_int () & 0xff;
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buf = gst_buffer_new ();
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gst_buffer_append_memory (buf,
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gst_memory_new_wrapped (GST_MEMORY_FLAG_READONLY,
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data, TEST_RANDOM_DATA_SIZE, 0, TEST_RANDOM_DATA_SIZE, NULL, NULL));
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GST_BUFFER_OFFSET (buf) = 0;
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caps = gst_type_find_helper_for_buffer (NULL, buf, &prob);
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GST_INFO ("caps: %" GST_PTR_FORMAT ", probability=%u", caps, prob);
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/* for now we just print an error log message */
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if (caps != NULL /* && prob >= GST_TYPE_FIND_LIKELY */ ) {
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GST_ERROR ("typefinder thinks random data is %" GST_PTR_FORMAT ", with a "
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"probability of %u (seed was %u)", caps, prob, seed);
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gst_caps_unref (caps);
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}
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gst_buffer_unref (buf);
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g_free (data);
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}
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GST_END_TEST;
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GST_START_TEST (test_hls_m3u8)
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{
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const gchar *type;
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GstCaps *caps = NULL;
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caps = typefind_test_file ("hls.m3u8");
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type = gst_structure_get_name (gst_caps_get_structure (caps, 0));
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fail_unless_equals_string (type, "application/x-hls");
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gst_caps_unref (caps);
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}
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GST_END_TEST;
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static const gchar MANIFEST[] =
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"<?xml version=\"1.0\" encoding=\"utf-16\"?>\n"
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"<!--Created with Expression Encoder version 2.1.1216.0-->\n"
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"<SmoothStreamingMedia\n"
|
|
" MajorVersion=\"1\"\n"
|
|
" MinorVersion=\"0\"\n"
|
|
" Duration=\"5965419999\">\n"
|
|
" <StreamIndex\n"
|
|
" Type=\"video\"\n"
|
|
" Subtype=\"WVC1\"\n"
|
|
" Chunks=\"299\"\n"
|
|
" Url=\"QualityLevels({bitrate})/Fragments(video={start time})\">\n"
|
|
" <QualityLevel\n"
|
|
" Bitrate=\"2750000\"\n"
|
|
" FourCC=\"WVC1\"\n" " Width=\"1280\"\n" " Height=\"720\"\n";
|
|
|
|
static guint8 *
|
|
generate_utf16 (guint off_lo, guint off_hi)
|
|
{
|
|
guint8 *utf16;
|
|
gsize len, i;
|
|
|
|
len = strlen (MANIFEST);
|
|
/* BOM + UTF-16 string */
|
|
utf16 = g_malloc (2 + len * 2);
|
|
utf16[off_lo] = 0xff;
|
|
utf16[off_hi] = 0xfe;
|
|
for (i = 0; i < len; ++i) {
|
|
utf16[2 + (2 * i) + off_lo] = MANIFEST[i];
|
|
utf16[2 + (2 * i) + off_hi] = 0x00;
|
|
}
|
|
|
|
return utf16;
|
|
}
|
|
|
|
/* Test that we can typefind UTF16-LE and UTF16-BE variants
|
|
* of smooth streaming manifests (even without iconv) */
|
|
GST_START_TEST (test_manifest_typefinding)
|
|
{
|
|
GstTypeFindProbability prob;
|
|
const gchar *media_type;
|
|
GstCaps *caps;
|
|
guint8 *utf16;
|
|
|
|
utf16 = generate_utf16 (0, 1);
|
|
prob = 0;
|
|
caps = typefind_data (utf16, 2 + strlen (MANIFEST) * 2, &prob);
|
|
fail_unless (caps != NULL);
|
|
media_type = gst_structure_get_name (gst_caps_get_structure (caps, 0));
|
|
fail_unless_equals_string (media_type, "application/vnd.ms-sstr+xml");
|
|
fail_unless_equals_int (prob, GST_TYPE_FIND_MAXIMUM);
|
|
gst_caps_unref (caps);
|
|
g_free (utf16);
|
|
|
|
utf16 = generate_utf16 (1, 0);
|
|
prob = 0;
|
|
caps = typefind_data (utf16, 2 + strlen (MANIFEST) * 2, &prob);
|
|
fail_unless (caps != NULL);
|
|
media_type = gst_structure_get_name (gst_caps_get_structure (caps, 0));
|
|
fail_unless_equals_string (media_type, "application/vnd.ms-sstr+xml");
|
|
fail_unless_equals_int (prob, GST_TYPE_FIND_MAXIMUM);
|
|
gst_caps_unref (caps);
|
|
g_free (utf16);
|
|
}
|
|
|
|
GST_END_TEST;
|
|
|
|
static Suite *
|
|
typefindfunctions_suite (void)
|
|
{
|
|
Suite *s = suite_create ("typefindfunctions");
|
|
TCase *tc_chain = tcase_create ("general");
|
|
|
|
suite_add_tcase (s, tc_chain);
|
|
|
|
tcase_add_test (tc_chain, test_quicktime_mpeg4video);
|
|
tcase_add_test (tc_chain, test_broken_flac_in_ogg);
|
|
tcase_add_test (tc_chain, test_jpeg_not_ac3);
|
|
tcase_add_test (tc_chain, test_mpegts);
|
|
tcase_add_test (tc_chain, test_ac3);
|
|
tcase_add_test (tc_chain, test_eac3);
|
|
tcase_add_test (tc_chain, test_random_data);
|
|
tcase_add_test (tc_chain, test_hls_m3u8);
|
|
tcase_add_test (tc_chain, test_manifest_typefinding);
|
|
|
|
return s;
|
|
}
|
|
|
|
GST_CHECK_MAIN (typefindfunctions);
|