rtmp server

1 files changed, 72 insertions, 0 deletions

diff --git a/fileutils.c b/fileutils.c
new file mode 100644
index 0000000..a9d9efc
--- /dev/null
+++ b/fileutils.c
@@ -0,0 +1,72 @@
+#include "fileutils.h"
+
+bool fwrite_word16le(FILE* fp, uint16_t x) {
+    uint8_t buf[2];
+    buf[0] = x & 0xff;
+    buf[1] = (x >> 8) & 0xff;
+    int r = fwrite(buf, 1, 2, fp);
+    if (r != 2) return false;
+    return true;
+}
+
+bool fwrite_word32le(FILE* fp, uint32_t x) {
+    bool ret = false;
+    uint16_t buf[2];
+
+    buf[0] = x & 0xffff;
+    buf[1] = (x >> 16) & 0xffff;
+    ret = fwrite_word16le(fp, buf[0]);
+    if (!ret) return ret;
+    ret = fwrite_word16le(fp, buf[1]);
+    if (!ret) return ret;
+    return true;
+}
+
+bool fwrite_word16be(FILE* fp, uint16_t x) {
+    uint8_t buf[2];
+    buf[1] = x & 0xff;
+    buf[0] = (x >> 8) & 0xff;
+    int r = fwrite(buf, 1, 2, fp);
+    if (r != 2) return false;
+    return true;
+}
+
+bool fwrite_word32be(FILE* fp, uint32_t x) {
+    bool ret = false;
+    uint16_t buf[2];
+
+    buf[1] = x & 0xffff;
+    buf[0] = (x >> 16) & 0xffff;
+    ret = fwrite_word16be(fp, buf[0]);
+    if (!ret) return ret;
+    ret = fwrite_word16be(fp, buf[1]);
+    if (!ret) return ret;
+    return true;
+}
+
+bool fwrite_word24le(FILE* fp, uint32_t x) {
+    uint8_t buf[3];
+    buf[0] = x & 0xff;
+    buf[1] = (x >> 8) & 0xff;
+    buf[2] = (x >> 16) & 0xff;
+    int r = fwrite(buf, 1, 3, fp);
+    if (r != 3) return false;
+    return true;
+}
+
+bool fwrite_word24be(FILE* fp, uint32_t x) {
+    uint8_t buf[3];
+    buf[2] = x & 0xff;
+    buf[1] = (x >> 8) & 0xff;
+    buf[0] = (x >> 16) & 0xff;
+    int r = fwrite(buf, 1, 3, fp);
+    if (r != 3) return false;
+    return true;
+}
+
+bool fwrite_char(FILE* fp, uint8_t x) {
+    uint8_t buf[1];
+    buf[0] = x;
+    int ret = fwrite(buf, 1, 1, fp);
+    return ret == 1;
+}
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