FS-11425 add vpx test code

tests/unit/Makefile.am

 include $(top_srcdir)/build/modmake.rulesam
 
-bin_PROGRAMS = switch_event switch_hash switch_ivr_originate switch_utils switch_core switch_console
+bin_PROGRAMS = switch_event switch_hash switch_ivr_originate switch_utils switch_core switch_console switch_vpx
 AM_LDFLAGS  = -avoid-version -no-undefined $(SWITCH_AM_LDFLAGS) $(openssl_LIBS)
 AM_LDFLAGS += $(FREESWITCH_LIBS) $(switch_builddir)/libfreeswitch.la $(CORE_LIBS) $(APR_LIBS)
 AM_CFLAGS   = $(SWITCH_AM_CPPFLAGS)

tests/unit/switch_vpx.c

+/*
+ * Copyright (C) 2018, Signalwire, Inc. ALL RIGHTS RESERVED
+ *
+ * switch_vpx.c -- Tests vpx functions
+ */
+#include <test/switch_test.h>
+
+FST_CORE_BEGIN("./conf")
+{
+	FST_SUITE_BEGIN()
+	{
+		FST_SETUP_BEGIN()
+		{
+		}
+		FST_SETUP_END()
+
+		FST_TEST_BEGIN(avcodec_test)
+		{
+			switch_status_t status;
+			switch_codec_t codec = { 0 };
+			switch_codec_settings_t codec_settings = { 0 };
+
+			// switch_set_string(codec_settings.video.config_profile_name, "conference");
+			codec_settings.video.width = 1280;
+			codec_settings.video.height = 720;
+
+			status = switch_core_codec_init(&codec,
+							   "VP8",
+							   NULL,
+							   NULL,
+							   0,
+							   0,
+							   1, SWITCH_CODEC_FLAG_ENCODE | SWITCH_CODEC_FLAG_DECODE,
+							   &codec_settings, fst_pool);
+			fst_check(status == SWITCH_STATUS_SUCCESS);
+
+			switch_image_t *img = switch_img_alloc(NULL, SWITCH_IMG_FMT_I420, 1280, 720, 1);
+			fst_requires(img);
+
+			uint8_t buf[SWITCH_DEFAULT_VIDEO_SIZE + 12];
+			switch_frame_t frame = { 0 };
+
+			frame.packet = buf;
+			frame.packetlen = SWITCH_DEFAULT_VIDEO_SIZE + 12;
+			frame.data = buf + 12;
+			frame.datalen = SWITCH_DEFAULT_VIDEO_SIZE;
+			frame.payload = 96;
+			frame.m = 0;
+			frame.seq = 0;
+			frame.timestamp = 0;
+			frame.img = img;
+
+			int packets = 0;
+			switch_status_t encode_status;
+
+			do {
+				frame.datalen = SWITCH_DEFAULT_VIDEO_SIZE;
+				encode_status = switch_core_codec_encode_video(&codec, &frame);
+
+				if (encode_status == SWITCH_STATUS_SUCCESS || encode_status == SWITCH_STATUS_MORE_DATA) {
+
+					switch_assert((encode_status == SWITCH_STATUS_SUCCESS && frame.m) || !frame.m);
+
+					if (frame.flags & SFF_PICTURE_RESET) {
+						frame.flags &= ~SFF_PICTURE_RESET;
+						// fst_check(0);
+					}
+
+					if (frame.datalen == 0) break;
+
+					switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "%02x %02x | m=%d | %d\n", buf[12], buf[13], frame.m, frame.datalen);
+					packets++;
+				}
+
+			} while(encode_status == SWITCH_STATUS_MORE_DATA);
+
+			fst_check(frame.m == 1);
+			fst_check(packets > 0);
+
+			switch_core_codec_destroy(&codec);
+		}
+		FST_TEST_END()
+
+		FST_TEARDOWN_BEGIN()
+		{
+			switch_sleep(1000000);
+			// switch_core_destroy();
+		}
+		FST_TEARDOWN_END()
+	}
+	FST_SUITE_END()
+}
+FST_CORE_END()