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avaudenc: Add simple 16 channel encoding test

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Used to be crashing because of a double-free introduced years ago and never really noticed, so let's add a test to
make sure it doesn't happen again.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/6373>
This commit is contained in:
Piotr Brzeziński 2024-03-14 19:05:06 +01:00 committed by GStreamer Marge Bot
parent b1f4dcb068
commit 2ec7f9f9b3
1 changed files with 36 additions and 0 deletions
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36
subprojects/gst-libav/tests/check/elements/avaudenc.c
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@ -111,6 +111,41 @@ GST_START_TEST (test_audioenc_drain)
GST_END_TEST;
GST_START_TEST (test_audioenc_16_channels)
{
/* avaudenc used to have a bug for >8ch where a double-free attempt would occur,
* crashing the whole process. Since >8ch encoding is quite rarely used, this test
* is meant to detect any crashes that would indicate somebody broke that again */
GstHarness *h;
GstAudioInfo info;
GstBuffer *in_buf;
GstCaps *caps;
gint size;
GstAudioChannelPosition position[16];
/* 16ch hexadecagonal layout */
guint64 channel_mask = 0x3137D37;
h = gst_harness_new ("avenc_aac");
fail_unless (h != NULL);
gst_audio_channel_positions_from_mask (16, channel_mask, position);
gst_audio_info_set_format (&info, GST_AUDIO_FORMAT_F32, 44100, 16, position);
caps = gst_audio_info_to_caps (&info);
gst_harness_set_src_caps (h, caps);
size = 1024 * GST_AUDIO_INFO_BPF (&info);
in_buf = gst_buffer_new_and_alloc (size);
gst_buffer_memset (in_buf, 0, 0, size);
GstFlowReturn ret = gst_harness_push (h, in_buf);
fail_if (ret != GST_FLOW_OK);
gst_harness_teardown (h);
}
GST_END_TEST;
static Suite *
avaudenc_suite (void)
{
@ -119,6 +154,7 @@ avaudenc_suite (void)
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_audioenc_drain);
tcase_add_test (tc_chain, test_audioenc_16_channels);
return s;
}