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Diffstat (limited to 'ffmpeg1/libavutil/utils.c')
-rw-r--r--ffmpeg1/libavutil/utils.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/ffmpeg1/libavutil/utils.c b/ffmpeg1/libavutil/utils.c
new file mode 100644
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--- /dev/null
+++ b/ffmpeg1/libavutil/utils.c
@@ -0,0 +1,81 @@
+/*
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "config.h"
+#include "avutil.h"
+#include "avassert.h"
+#include "samplefmt.h"
+
+/**
+ * @file
+ * various utility functions
+ */
+
+unsigned avutil_version(void)
+{
+ av_assert0(AV_PIX_FMT_VDA_VLD == 81); //check if the pix fmt enum has not had anything inserted or removed by mistake
+ av_assert0(AV_SAMPLE_FMT_DBLP == 9);
+ av_assert0(AVMEDIA_TYPE_ATTACHMENT == 4);
+ av_assert0(AV_PICTURE_TYPE_BI == 7);
+ av_assert0(LIBAVUTIL_VERSION_MICRO >= 100);
+ av_assert0(HAVE_MMX2 == HAVE_MMXEXT);
+
+ if (av_sat_dadd32(1, 2) != 5) {
+ av_log(NULL, AV_LOG_FATAL, "Libavutil has been build with a broken binutils, please upgrade binutils and rebuild\n");
+ abort();
+ }
+
+ return LIBAVUTIL_VERSION_INT;
+}
+
+const char *avutil_configuration(void)
+{
+ return FFMPEG_CONFIGURATION;
+}
+
+const char *avutil_license(void)
+{
+#define LICENSE_PREFIX "libavutil license: "
+ return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
+}
+
+const char *av_get_media_type_string(enum AVMediaType media_type)
+{
+ switch (media_type) {
+ case AVMEDIA_TYPE_VIDEO: return "video";
+ case AVMEDIA_TYPE_AUDIO: return "audio";
+ case AVMEDIA_TYPE_DATA: return "data";
+ case AVMEDIA_TYPE_SUBTITLE: return "subtitle";
+ case AVMEDIA_TYPE_ATTACHMENT: return "attachment";
+ default: return NULL;
+ }
+}
+
+char av_get_picture_type_char(enum AVPictureType pict_type)
+{
+ switch (pict_type) {
+ case AV_PICTURE_TYPE_I: return 'I';
+ case AV_PICTURE_TYPE_P: return 'P';
+ case AV_PICTURE_TYPE_B: return 'B';
+ case AV_PICTURE_TYPE_S: return 'S';
+ case AV_PICTURE_TYPE_SI: return 'i';
+ case AV_PICTURE_TYPE_SP: return 'p';
+ case AV_PICTURE_TYPE_BI: return 'b';
+ default: return '?';
+ }
+}