更新代码

ffmpegdemo/ffmpeg/ffmpeg4/include/libavutil/base64.h

@@ -1,72 +1,37 @@
-/*
- * Copyright (c) 2006 Ryan Martell. (rdm4@martellventures.com)
- *
- * 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
- */
-
-#ifndef AVUTIL_BASE64_H
-#define AVUTIL_BASE64_H
-
-#include <stdint.h>
+#ifndef BASE64_H
+#define BASE64_H
 
 /**
- * @defgroup lavu_base64 Base64
- * @ingroup lavu_crypto
- * @{
+ * base64编码转换类 作者:feiyangqingyun(QQ:517216493) 2016-12-16
+ * 1. 图片转base64字符串。
+ * 2. base64字符串转图片。
+ * 3. 字符转base64字符串。
+ * 4. base64字符串转字符。
+ * 5. 后期增加数据压缩。
+ * 6. Qt6对base64编码转换进行了重写效率提升至少200%。
  */
 
-/**
- * Decode a base64-encoded string.
- *
- * @param out      buffer for decoded data
- * @param in       null-terminated input string
- * @param out_size size in bytes of the out buffer, must be at
- *                 least 3/4 of the length of in, that is AV_BASE64_DECODE_SIZE(strlen(in))
- * @return         number of bytes written, or a negative value in case of
- *                 invalid input
- */
-int av_base64_decode(uint8_t *out, const char *in, int out_size);
+#include <QImage>
 
-/**
- * Calculate the output size in bytes needed to decode a base64 string
- * with length x to a data buffer.
- */
-#define AV_BASE64_DECODE_SIZE(x) ((x) * 3LL / 4)
+#ifdef quc
+class Q_DECL_EXPORT Base64
+#else
+class Base64
+#endif
 
-/**
- * Encode data to base64 and null-terminate.
- *
- * @param out      buffer for encoded data
- * @param out_size size in bytes of the out buffer (including the
- *                 null terminator), must be at least AV_BASE64_SIZE(in_size)
- * @param in       input buffer containing the data to encode
- * @param in_size  size in bytes of the in buffer
- * @return         out or NULL in case of error
- */
-char *av_base64_encode(char *out, int out_size, const uint8_t *in, int in_size);
+{
+public:
+    //图片转base64字符串
+    static QString imageToBase64(const QImage &image);
+    static QByteArray imageToBase64x(const QImage &image);
 
-/**
- * Calculate the output size needed to base64-encode x bytes to a
- * null-terminated string.
- */
-#define AV_BASE64_SIZE(x)  (((x)+2) / 3 * 4 + 1)
+    //base64字符串转图片
+    static QImage base64ToImage(const QString &data);
+    static QImage base64ToImagex(const QByteArray &data);
 
- /**
-  * @}
-  */
+    //字符串与base64互转
+    static QString textToBase64(const QString &text);
+    static QString base64ToText(const QString &text);
+};
 
-#endif /* AVUTIL_BASE64_H */
+#endif // BASE64_H