gst/avi/: Port AVI muxer to GStreamer-0.10 (#332031).

Original commit message from CVS:
Patch by: Mark Nauwelaerts  <manauw at skynet dot be>
* gst/avi/Makefile.am:
* gst/avi/gstavi.c: (plugin_init):
* gst/avi/gstavimux.c: (gst_avi_mux_get_type),
(gst_avi_mux_base_init), (gst_avi_mux_finalize),
(gst_avi_mux_class_init), (gst_avi_mux_init),
(gst_avi_mux_vidsink_set_caps), (gst_avi_mux_audsink_set_caps),
(gst_avi_mux_pad_link), (gst_avi_mux_pad_unlink),
(gst_avi_mux_request_new_pad), (gst_avi_mux_release_pad),
(gst_avi_mux_write_tag), (gst_avi_mux_riff_get_avi_header),
(gst_avi_mux_riff_get_avix_header),
(gst_avi_mux_riff_get_video_header),
(gst_avi_mux_riff_get_audio_header), (gst_avi_mux_add_index),
(gst_avi_mux_write_index), (gst_avi_mux_bigfile),
(gst_avi_mux_start_file), (gst_avi_mux_stop_file),
(gst_avi_mux_restart_file), (gst_avi_mux_handle_event),
(gst_avi_mux_fill_queue), (gst_avi_mux_send_pad_data),
(gst_avi_mux_strip_buffer), (gst_avi_mux_do_audio_buffer),
(gst_avi_mux_do_video_buffer), (gst_avi_mux_do_one_buffer),
(gst_avi_mux_loop), (gst_avi_mux_collect_pads),
(gst_avi_mux_get_property), (gst_avi_mux_set_property),
(gst_avi_mux_change_state):
* gst/avi/gstavimux.h:
Port AVI muxer to GStreamer-0.10 (#332031).
* tests/check/Makefile.am:
* tests/check/elements/avimux.c:
* tests/check/elements/.cvsignore:
Add unit test for AVI muxer.

3 files changed, 271 insertions, 0 deletions

diff --git a/tests/check/Makefile.am b/tests/check/Makefile.am
index 96671217..39e386c9 100644
--- a/tests/check/Makefile.am
+++ b/tests/check/Makefile.am
@@ -18,6 +18,7 @@ clean-local: clean-local-check
 TESTS = $(check_PROGRAMS)
 
 check_PROGRAMS = \
+	elements/avimux \
 	elements/level \
 	elements/matroskamux \
 	elements/cmmldec \
diff --git a/tests/check/elements/.gitignore b/tests/check/elements/.gitignore
index 430d89a8..ac1a2a5e 100644
--- a/tests/check/elements/.gitignore
+++ b/tests/check/elements/.gitignore
@@ -3,3 +3,5 @@ level
 matroskamux
 cmmldec
 cmmlenc
+icydemux
+avimux
diff --git a/tests/check/elements/avimux.c b/tests/check/elements/avimux.c
new file mode 100644
index 00000000..5a6161ba
--- /dev/null
+++ b/tests/check/elements/avimux.c
@@ -0,0 +1,268 @@
+/* GStreamer
+ *
+ * unit test for avimux
+ *
+ * Copyright (C) <2006> Mark Nauwelaerts <manauw@skynet.be>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <unistd.h>
+
+#include <gst/check/gstcheck.h>
+
+/* For ease of programming we use globals to keep refs for our floating
+ * src and sink pads we create; otherwise we always have to do get_pad,
+ * get_peer, and then remove references in every test function */
+static GstPad *mysrcpad, *mysinkpad;
+
+#define AUDIO_CAPS_STRING "audio/x-ac3, " \
+                        "channels = (int) 1, " \
+                        "rate = (int) 8000"
+#define VIDEO_CAPS_STRING "video/x-xvid, " \
+                           "width = (int) 384, " \
+                           "height = (int) 288, " \
+                           "framerate = (fraction) 25/1"
+
+static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
+    GST_PAD_SINK,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("video/x-msvideo"));
+static GstStaticPadTemplate srcvideotemplate = GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS (VIDEO_CAPS_STRING));
+
+static GstStaticPadTemplate srcaudiotemplate = GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS (AUDIO_CAPS_STRING));
+
+
+/* setup and teardown needs some special handling for muxer */
+GstPad *
+setup_src_pad (GstElement * element,
+    GstStaticPadTemplate * template, GstCaps * caps, gchar * sinkname)
+{
+  GstPad *srcpad, *sinkpad;
+
+  GST_DEBUG_OBJECT (element, "setting up sending pad");
+  /* sending pad */
+  srcpad = gst_pad_new_from_static_template (template, "src");
+  fail_if (srcpad == NULL, "Could not create a srcpad");
+  ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 1);
+
+  sinkpad = gst_element_get_pad (element, sinkname);
+  fail_if (sinkpad == NULL, "Could not get sink pad from %s",
+      GST_ELEMENT_NAME (element));
+  /* references are owned by: 1) us, 2) avimux, 3) collect pads */
+  ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 3);
+  if (caps)
+    fail_unless (gst_pad_set_caps (srcpad, caps));
+  fail_unless (gst_pad_link (srcpad, sinkpad) == GST_PAD_LINK_OK,
+      "Could not link source and %s sink pads", GST_ELEMENT_NAME (element));
+  gst_object_unref (sinkpad);   /* because we got it higher up */
+
+  /* references are owned by: 1) avimux, 2) collect pads */
+  ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 2);
+
+  return srcpad;
+}
+
+void
+teardown_src_pad (GstElement * element, gchar * sinkname)
+{
+  GstPad *srcpad, *sinkpad;
+  gchar *padname;
+
+  /* clean up floating src pad */
+  /* hm, avimux uses _00 as suffixes for padnames */
+  padname = g_strdup (sinkname);
+  memcpy (strchr (padname, '%'), "00", 2);
+  sinkpad = gst_element_get_pad (element, padname);
+  g_free (padname);
+  /* pad refs held by 1) avimux 2) collectpads and 3) us (through _get) */
+  ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 3);
+  srcpad = gst_pad_get_peer (sinkpad);
+
+  gst_pad_unlink (srcpad, sinkpad);
+
+  /* after unlinking, pad refs held by 1) avimux and 2) us (through _get) */
+  ASSERT_OBJECT_REFCOUNT (sinkpad, "sinkpad", 2);
+  gst_object_unref (sinkpad);
+  /* one more ref is held by element itself */
+
+  /* pad refs held by both creator and this function (through _get_peer) */
+  ASSERT_OBJECT_REFCOUNT (srcpad, "srcpad", 2);
+  gst_object_unref (srcpad);
+  gst_object_unref (srcpad);
+
+}
+
+GstElement *
+setup_avimux (GstStaticPadTemplate * srctemplate, gchar * sinkname)
+{
+  GstElement *avimux;
+
+  GST_DEBUG ("setup_avimux");
+  avimux = gst_check_setup_element ("avimux");
+  mysrcpad = setup_src_pad (avimux, srctemplate, NULL, sinkname);
+  mysinkpad = gst_check_setup_sink_pad (avimux, &sinktemplate, NULL);
+
+  return avimux;
+}
+
+void
+cleanup_avimux (GstElement * avimux, gchar * sinkname)
+{
+  GST_DEBUG ("cleanup_avimux");
+  gst_element_set_state (avimux, GST_STATE_NULL);
+
+  teardown_src_pad (avimux, sinkname);
+  gst_check_teardown_sink_pad (avimux);
+  gst_check_teardown_element (avimux);
+}
+
+void
+check_avimux_pad (GstStaticPadTemplate * srctemplate, gchar * src_caps_string,
+    gchar * chunk_id, gchar * sinkname)
+{
+  GstElement *avimux;
+  GstBuffer *inbuffer, *outbuffer;
+  GstCaps *caps;
+  int num_buffers;
+  int i;
+  guint8 data0[4] = "RIFF";
+  guint8 data1[8] = "AVI LIST";
+  guint8 data2[8] = "hdrlavih";
+  guint8 data3[4] = "LIST";
+  guint8 data4[8] = "strlstrh";
+  guint8 data5[4] = "strf";
+  guint8 data6[4] = "LIST";
+  guint8 data7[4] = "movi";
+
+  avimux = setup_avimux (srctemplate, sinkname);
+  fail_unless (gst_element_set_state (avimux,
+          GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
+      "could not set to playing");
+
+  inbuffer = gst_buffer_new_and_alloc (1);
+  caps = gst_caps_from_string (src_caps_string);
+  gst_buffer_set_caps (inbuffer, caps);
+  gst_caps_unref (caps);
+  GST_BUFFER_TIMESTAMP (inbuffer) = 0;
+  ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
+  fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
+  num_buffers = g_list_length (buffers);
+  /* at least expect avi header, chunk header, chunk and padding */
+  fail_unless (num_buffers >= 4);
+
+  for (i = 0; i < num_buffers; ++i) {
+    outbuffer = GST_BUFFER (buffers->data);
+    fail_if (outbuffer == NULL);
+    buffers = g_list_remove (buffers, outbuffer);
+
+    switch (i) {
+      case 0:{                 /* check riff header */
+        /* avi header */
+        guint8 *data = GST_BUFFER_DATA (outbuffer);
+
+        fail_unless (memcmp (data, data0, sizeof (data0)) == 0);
+        fail_unless (memcmp (data + 8, data1, sizeof (data1)) == 0);
+        fail_unless (memcmp (data + 20, data2, sizeof (data2)) == 0);
+        /* video or audio header */
+        data += 32 + 56;
+        fail_unless (memcmp (data, data3, sizeof (data3)) == 0);
+        fail_unless (memcmp (data + 8, data4, sizeof (data4)) == 0);
+        fail_unless (memcmp (data + 68, data5, sizeof (data5)) == 0);
+        /* avi data header */
+        data = GST_BUFFER_DATA (outbuffer);
+        data += GST_BUFFER_SIZE (outbuffer) - 12;
+        fail_unless (memcmp (data, data6, sizeof (data6)) == 0);
+        data += 8;
+        fail_unless (memcmp (data, data7, sizeof (data7)) == 0);
+        break;
+      }
+      case 1:                  /* chunk header */
+        fail_unless (GST_BUFFER_SIZE (outbuffer) == 8);
+        fail_unless (memcmp (GST_BUFFER_DATA (outbuffer), chunk_id, 4) == 0);
+        break;
+      case 2:
+        fail_unless (GST_BUFFER_SIZE (outbuffer) == 1);
+        break;
+      case 3:                  /* buffer we put in, must be padded to even size */
+        fail_unless (GST_BUFFER_SIZE (outbuffer) == 1);
+        break;
+      default:
+        break;
+    }
+
+    ASSERT_BUFFER_REFCOUNT (outbuffer, "outbuffer", 1);
+    gst_buffer_unref (outbuffer);
+    outbuffer = NULL;
+  }
+
+  cleanup_avimux (avimux, sinkname);
+  g_list_free (buffers);
+  buffers = NULL;
+}
+
+
+GST_START_TEST (test_video_pad)
+{
+  check_avimux_pad (&srcvideotemplate, VIDEO_CAPS_STRING, "00db", "video_%d");
+}
+
+GST_END_TEST;
+
+
+GST_START_TEST (test_audio_pad)
+{
+  check_avimux_pad (&srcaudiotemplate, AUDIO_CAPS_STRING, "01wb", "audio_%d");
+}
+
+GST_END_TEST;
+
+
+Suite *
+avimux_suite (void)
+{
+  Suite *s = suite_create ("avimux");
+  TCase *tc_chain = tcase_create ("general");
+
+  suite_add_tcase (s, tc_chain);
+  tcase_add_test (tc_chain, test_video_pad);
+  tcase_add_test (tc_chain, test_audio_pad);
+
+  return s;
+}
+
+int
+main (int argc, char **argv)
+{
+  int nf;
+
+  Suite *s = avimux_suite ();
+  SRunner *sr = srunner_create (s);
+
+  gst_check_init (&argc, &argv);
+
+  srunner_run_all (sr, CK_NORMAL);
+  nf = srunner_ntests_failed (sr);
+  srunner_free (sr);
+
+  return nf;
+}