The Research Hunter

/* * cmmlenc.c - GStreamer CMML decoder test suite * Copyright (C) 2005 Alessandro Decina * * Authors: * Alessandro Decina * * 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 #include #define SINK_CAPS "text/x-cmml" #define SRC_CAPS "text/x-cmml" #define IDENT_HEADER \ "CMML\x00\x00\x00\x00"\ "\x03\x00\x00\x00"\ "\xe8\x03\x00\x00\x00\x00\x00\x00"\ "\x01\x00\x00\x00\x00\x00\x00\x00"\ "\x20" #define XML_PREAMBLE \ "\n"\ "\n" #define START_TAG \ "" #define PROCESSING_INSTRUCTION \ "" #define PREAMBLE \ XML_PREAMBLE START_TAG #define PREAMBLE_ENCODED \ XML_PREAMBLE PROCESSING_INSTRUCTION #define STREAM_TAG \ ""\ ""\ ""\ "" #define STREAM_TAG_ENCODED STREAM_TAG #define HEAD_TAG \ ""\ "The Research Hunter"\ ""\ ""\ ""\ ""\ ""\ "" #define HEAD_TAG_ENCODED HEAD_TAG #define CLIP_TEMPLATE \ ""\ "http://www.annodex.org"\ "

"\ "Annodex Foundation"\ ""\ "" #define ENDED_CLIP_TEMPLATE \ ""\ "http://www.annodex.org"\ "

"\ "Annodex Foundation"\ ""\ "" #define CLIP_TEMPLATE_ENCODED \ ""\ "http://www.annodex.org"\ "

"\ "Annodex Foundation"\ ""\ "" #define EMPTY_CLIP_TEMPLATE_ENCODED \ "" #define fail_unless_equals_flow_return(a, b) \ G_STMT_START { \ gchar *a_up = g_ascii_strup (gst_flow_get_name (a), -1); \ gchar *b_up = g_ascii_strup (gst_flow_get_name (b), -1); \ fail_unless (a == b, \ "'" #a "' (GST_FLOW_%s) is not equal to '" #b "' (GST_FLOW_%s)", \ a_up, b_up); \ g_free (a_up); \ g_free (b_up); \ } G_STMT_END; GList *buffers; static GList *current_buf; static guint64 granulerate; static guint8 granuleshift; static GstElement *cmmlenc; static GstBus *bus; static GstFlowReturn flow; static GstPad *srcpad, *sinkpad; static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, GST_STATIC_CAPS (SINK_CAPS) ); static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS, GST_STATIC_CAPS (SRC_CAPS) ); static GstBuffer * buffer_new (const gchar * buffer_data, guint size) { GstBuffer *buffer; GstCaps *caps; buffer = gst_buffer_new_and_alloc (size); memcpy (GST_BUFFER_DATA (buffer), buffer_data, size); caps = gst_caps_from_string (SRC_CAPS); gst_buffer_set_caps (buffer, caps); gst_caps_unref (caps); return buffer; } static void buffer_unref (void *buffer, void *user_data) { gst_buffer_unref (GST_BUFFER (buffer)); } static void setup_cmmlenc () { guint64 granulerate_n, granulerate_d; GST_DEBUG ("setup_cmmlenc"); cmmlenc = gst_check_setup_element ("cmmlenc"); srcpad = gst_check_setup_src_pad (cmmlenc, &srctemplate, NULL); sinkpad = gst_check_setup_sink_pad (cmmlenc, &sinktemplate, NULL); gst_pad_set_active (srcpad, TRUE); gst_pad_set_active (sinkpad, TRUE); bus = gst_bus_new (); gst_element_set_bus (cmmlenc, bus); fail_unless (gst_element_set_state (cmmlenc, GST_STATE_PLAYING) != GST_STATE_CHANGE_FAILURE, "could not set to playing"); g_object_get (cmmlenc, "granule-rate-numerator", &granulerate_n, "granule-rate-denominator", &granulerate_d, "granule-shift", &granuleshift, NULL); granulerate = GST_SECOND * granulerate_d / granulerate_n; } static void teardown_cmmlenc () { /* free encoded buffers */ g_list_foreach (buffers, buffer_unref, NULL); g_list_free (buffers); buffers = NULL; current_buf = NULL; gst_bus_set_flushing (bus, TRUE); gst_object_unref (bus); GST_DEBUG ("teardown_cmmlenc"); gst_pad_set_active (srcpad, FALSE); gst_pad_set_active (sinkpad, FALSE); gst_check_teardown_src_pad (cmmlenc); gst_check_teardown_sink_pad (cmmlenc); gst_check_teardown_element (cmmlenc); } static void check_output_buffer_is_equal (const gchar * name, const gchar * data, gint refcount) { GstBuffer *buffer; if (current_buf == NULL) current_buf = buffers; else current_buf = g_list_next (current_buf); fail_unless (current_buf != NULL); buffer = GST_BUFFER (current_buf->data); ASSERT_OBJECT_REFCOUNT (buffer, name, refcount); fail_unless (memcmp (GST_BUFFER_DATA (buffer), data, GST_BUFFER_SIZE (buffer)) == 0, "'%s' (%s) is not equal to (%s)", name, GST_BUFFER_DATA (buffer), data); } static GstFlowReturn push_data (const gchar * name, const gchar * data, gint size) { GstBuffer *buffer; GstFlowReturn res; buffer = buffer_new (data, size); res = gst_pad_push (srcpad, buffer); return res; } static void check_headers () { /* push the cmml start tag */ flow = push_data ("preamble", PREAMBLE, strlen (PREAMBLE)); fail_unless_equals_flow_return (flow, GST_FLOW_OK); /* push the stream tag */ flow = push_data ("stream", STREAM_TAG, strlen (STREAM_TAG)); fail_unless_equals_flow_return (flow, GST_FLOW_OK); /* push the head tag */ flow = push_data ("head", HEAD_TAG, strlen (HEAD_TAG)); fail_unless_equals_flow_return (flow, GST_FLOW_OK); /* should output 3 buffers: the ident, preamble and head headers */ fail_unless_equals_int (g_list_length (buffers), 3); /* check the ident header */ check_output_buffer_is_equal ("cmml-ident-buffer", IDENT_HEADER, 1); /* check the cmml processing instruction */ check_output_buffer_is_equal ("cmml-preamble-buffer", PREAMBLE_ENCODED, 1); /* check the encoded head tag */ check_output_buffer_is_equal ("head-tag-buffer", HEAD_TAG_ENCODED, 1); } static GstFlowReturn push_clip (const gchar * name, const gchar * track, const gchar * start, const gchar * end) { gchar *clip; GstFlowReturn res; if (end != NULL) clip = g_strdup_printf (ENDED_CLIP_TEMPLATE, name, track, start, end); else clip = g_strdup_printf (CLIP_TEMPLATE, name, track, start); res = push_data (name, clip, strlen (clip)); g_free (clip); return res; } static void check_clip_times (GstBuffer * buffer, GstClockTime start, GstClockTime prev) { guint64 keyindex, keyoffset, granulepos; granulepos = GST_BUFFER_OFFSET_END (buffer); if (granuleshift == 0 || granuleshift == 64) keyindex = 0; else keyindex = granulepos >> granuleshift; keyoffset = granulepos - (keyindex << granuleshift); fail_unless_equals_uint64 (keyindex * granulerate, prev); fail_unless_equals_uint64 ((keyindex + keyoffset) * granulerate, start); } static void check_clip (const gchar * name, const gchar * track, GstClockTime start, GstClockTime prev) { gchar *encoded_clip; GstBuffer *buffer; encoded_clip = g_strdup_printf (CLIP_TEMPLATE_ENCODED, name, track); check_output_buffer_is_equal (name, encoded_clip, 1); g_free (encoded_clip); buffer = GST_BUFFER (current_buf->data); check_clip_times (buffer, start, prev); } static void check_empty_clip (const gchar * name, const gchar * track, GstClockTime start, GstClockTime prev) { gchar *encoded_clip; GstBuffer *buffer; encoded_clip = g_strdup_printf (EMPTY_CLIP_TEMPLATE_ENCODED, track); check_output_buffer_is_equal (name, encoded_clip, 1); g_free (encoded_clip); buffer = GST_BUFFER (current_buf->data); check_clip_times (buffer, start, prev); } GST_START_TEST (test_enc) { check_headers (); flow = push_clip ("clip-1", "default", "1.234", NULL); fail_unless_equals_flow_return (flow, GST_FLOW_OK); check_clip ("clip-1", "default", 1 * GST_SECOND + 234 * GST_MSECOND, 0); flow = push_clip ("clip-2", "default", "5.678", NULL); fail_unless_equals_flow_return (flow, GST_FLOW_OK); check_clip ("clip-2", "default", 5 * GST_SECOND + 678 * GST_MSECOND, 1 * GST_SECOND + 234 * GST_MSECOND); flow = push_clip ("clip-3", "othertrack", "9.123", NULL); fail_unless_equals_flow_return (flow, GST_FLOW_OK); check_clip ("clip-3", "othertrack", 9 * GST_SECOND + 123 * GST_MSECOND, 0); flow = push_data ("end-tag", "", strlen ("")); fail_unless_equals_flow_return (flow, GST_FLOW_OK); check_output_buffer_is_equal ("cmml-eos", NULL, 1); } GST_END_TEST; GST_START_TEST (test_clip_end_time) { check_headers (); /* push a clip that starts at 1.234 an ends at 2.234 */ flow = push_clip ("clip-1", "default", "1.234", "2.234"); fail_unless_equals_flow_return (flow, GST_FLOW_OK); check_clip ("clip-1", "default", 1 * GST_SECOND + 234 * GST_MSECOND, 0); /* now check that the encoder created an empty clip starting at 2.234 to mark * the end of clip-1 */ check_empty_clip ("clip-1-end", "default", 2 * GST_SECOND + 234 * GST_MSECOND, 1 * GST_SECOND + 234 * GST_MSECOND); /* now push another clip on the same track and check that the keyindex part of * the granulepos points to clip-1 and not to the empty clip */ flow = push_clip ("clip-2", "default", "5", NULL); fail_unless_equals_flow_return (flow, GST_FLOW_OK); check_clip ("clip-2", "default", 5 * GST_SECOND, 1 * GST_SECOND + 234 * GST_MSECOND); } GST_END_TEST; GST_START_TEST (test_time_order) { check_headers (); /* clips belonging to the same track must have start times in non decreasing * order */ flow = push_clip ("clip-1", "default", "1000:00:00.000", NULL); fail_unless_equals_flow_return (flow, GST_FLOW_OK); check_clip ("clip-1", "default", 3600 * 1000 * GST_SECOND, 0); /* this will make the encoder throw an error message */ flow = push_clip ("clip-2", "default", "5.678", NULL); fail_unless_equals_flow_return (flow, GST_FLOW_ERROR); flow = push_clip ("clip-3", "default", "1000:00:00.001", NULL); fail_unless_equals_flow_return (flow, GST_FLOW_OK); check_clip ("clip-3", "default", 3600 * 1000 * GST_SECOND + 1 * GST_MSECOND, 3600 * 1000 * GST_SECOND); /* tracks don't interfere with each other */ flow = push_clip ("clip-4", "othertrack", "9.123", NULL); fail_unless_equals_flow_return (flow, GST_FLOW_OK); check_clip ("clip-4", "othertrack", 9 * GST_SECOND + 123 * GST_MSECOND, 0); } GST_END_TEST; GST_START_TEST (test_time_parsing) { check_headers (); flow = push_clip ("bad-msecs", "default", "0.1000", NULL); fail_unless_equals_flow_return (flow, GST_FLOW_ERROR); flow = push_clip ("bad-secs", "default", "00:00:60.123", NULL); fail_unless_equals_flow_return (flow, GST_FLOW_ERROR); flow = push_clip ("bad-minutes", "default", "00:60:12.345", NULL); fail_unless_equals_flow_return (flow, GST_FLOW_ERROR); /* this fails since we can't store 5124096 * 3600 * GST_SECOND in a * GstClockTime */ flow = push_clip ("bad-hours", "default", "5124096:00:00.000", NULL); fail_unless_equals_flow_return (flow, GST_FLOW_ERROR); } GST_END_TEST; GST_START_TEST (test_time_limits) { check_headers (); /* ugly hack to make sure that the following checks actually overflow parsing * the times in gst_cmml_clock_time_from_npt rather than converting them to * granulepos in gst_cmml_clock_time_to_granule */ granuleshift = 64; g_object_set (cmmlenc, "granule-shift", granuleshift, NULL); /* 5124095:34:33.709 is the max npt-hhmmss time representable with * GstClockTime */ flow = push_clip ("max-npt-hhmmss", "foo", "5124095:34:33.709", NULL); fail_unless_equals_flow_return (flow, GST_FLOW_OK); check_clip ("max-npt-hhmmss", "foo", (GstClockTime) 5124095 * 3600 * GST_SECOND + 34 * 60 * GST_SECOND + 33 * GST_SECOND + 709 * GST_MSECOND, 0); flow = push_clip ("overflow-max-npt-hhmmss", "overflows", "5124095:34:33.710", NULL); fail_unless_equals_flow_return (flow, GST_FLOW_ERROR); /* 18446744073.709 is the max ntp-sec time */ flow = push_clip ("max-npt-secs", "bar", "18446744073.709", NULL); fail_unless_equals_flow_return (flow, GST_FLOW_OK); check_clip ("max-npt-secs", "bar", (GstClockTime) 5124095 * 3600 * GST_SECOND + 34 * 60 * GST_SECOND + 33 * GST_SECOND + 709 * GST_MSECOND, 0); /* overflow doing 18446744074 * GST_SECOND */ flow = push_clip ("overflow-max-npt-secs", "overflows", "18446744074.000", NULL); fail_unless_equals_flow_return (flow, GST_FLOW_ERROR); /* overflow doing seconds + milliseconds */ flow = push_clip ("overflow-max-npt-secs-msecs", "overflows", "18446744073.710", NULL); fail_unless_equals_flow_return (flow, GST_FLOW_ERROR); /* reset granuleshift to 32 to check keyoffset overflows in * gst_cmml_clock_time_to_granule */ granuleshift = 32; g_object_set (cmmlenc, "granule-shift", granuleshift, NULL); /* 1193:02:47.295 is the max time we can encode in the keyoffset part of a * granulepos given a granuleshift of 32 */ flow = push_clip ("max-granule-keyoffset", "baz", "1193:02:47.295", NULL); fail_unless_equals_flow_return (flow, GST_FLOW_OK); check_clip ("max-granule-keyoffset", "baz", 1193 * 3600 * GST_SECOND + 2 * 60 * GST_SECOND + 47 * GST_SECOND + 295 * GST_MSECOND, 0); flow = push_clip ("overflow-max-granule-keyoffset", "overflows", "1193:02:47.296", NULL); fail_unless_equals_flow_return (flow, GST_FLOW_ERROR); } GST_END_TEST; static Suite * cmmlenc_suite () { Suite *s = suite_create ("cmmlenc"); TCase *tc_general = tcase_create ("general"); suite_add_tcase (s, tc_general); tcase_add_checked_fixture (tc_general, setup_cmmlenc, teardown_cmmlenc); tcase_add_test (tc_general, test_enc); tcase_add_test (tc_general, test_clip_end_time); tcase_add_test (tc_general, test_time_order); tcase_add_test (tc_general, test_time_parsing); tcase_add_test (tc_general, test_time_limits); return s; } GST_CHECK_MAIN (cmmlenc);