Merge remote-tracking branch 'qatar/master'

* qatar/master:
  rtpdec_jpeg: Add support for default quantizers
  x86: dsputil: Move specific optimization settings out of global init function
  avplay: get rid of ugly casts in the options table
  avplay: fix prototypes for option callbacks.
  flvdec: always set AVFMTCTX_NOHEADER.
  file: Use a normal private context for storing the file descriptor
  configure: Adjust the xgetbv instrinsic check
  configure: Add --disable-inline-asm command line option
  configure: Don't try to enable the log2 function on msvcrt

Conflicts:
	configure
	ffplay.c
	libavcodec/x86/dsputil_mmx.c
	libavformat/file.c
	libavformat/flvdec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 21 insertions, 12 deletions

diff --git a/libavformat/file.c b/libavformat/file.c
index 288275f6ef..906ecddd42 100644
--- a/libavformat/file.c
+++ b/libavformat/file.c
@@ -44,23 +44,28 @@
 
 /* standard file protocol */
 
+typedef struct FileContext {
+    int fd;
+} FileContext;
+
 static int file_read(URLContext *h, unsigned char *buf, int size)
 {
-    int fd = (intptr_t) h->priv_data;
-    int r = read(fd, buf, size);
+    FileContext *c = h->priv_data;
+    int r = read(c->fd, buf, size);
     return (-1 == r)?AVERROR(errno):r;
 }
 
 static int file_write(URLContext *h, const unsigned char *buf, int size)
 {
-    int fd = (intptr_t) h->priv_data;
-    int r = write(fd, buf, size);
+    FileContext *c = h->priv_data;
+    int r = write(c->fd, buf, size);
     return (-1 == r)?AVERROR(errno):r;
 }
 
 static int file_get_handle(URLContext *h)
 {
-    return (intptr_t) h->priv_data;
+    FileContext *c = h->priv_data;
+    return c->fd;
 }
 
 static int file_check(URLContext *h, int mask)
@@ -80,6 +85,7 @@ static int file_check(URLContext *h, int mask)
 
 static int file_open(URLContext *h, const char *filename, int flags)
 {
+    FileContext *c = h->priv_data;
     int access;
     int fd;
     struct stat st;
@@ -99,7 +105,7 @@ static int file_open(URLContext *h, const char *filename, int flags)
     fd = open(filename, access, 0666);
     if (fd == -1)
         return AVERROR(errno);
-    h->priv_data = (void *) (intptr_t) fd;
+    c->fd = fd;
 
     h->is_streamed = !fstat(fd, &st) && S_ISFIFO(st.st_mode);
 
@@ -109,19 +115,19 @@ static int file_open(URLContext *h, const char *filename, int flags)
 /* XXX: use llseek */
 static int64_t file_seek(URLContext *h, int64_t pos, int whence)
 {
-    int fd = (intptr_t) h->priv_data;
+    FileContext *c = h->priv_data;
     if (whence == AVSEEK_SIZE) {
         struct stat st;
-        int ret = fstat(fd, &st);
+        int ret = fstat(c->fd, &st);
         return ret < 0 ? AVERROR(errno) : (S_ISFIFO(st.st_mode) ? 0 : st.st_size);
     }
-    return lseek(fd, pos, whence);
+    return lseek(c->fd, pos, whence);
 }
 
 static int file_close(URLContext *h)
 {
-    int fd = (intptr_t) h->priv_data;
-    return close(fd);
+    FileContext *c = h->priv_data;
+    return close(c->fd);
 }
 
 URLProtocol ff_file_protocol = {
@@ -133,6 +139,7 @@ URLProtocol ff_file_protocol = {
     .url_close           = file_close,
     .url_get_file_handle = file_get_handle,
     .url_check           = file_check,
+    .priv_data_size      = sizeof(FileContext),
 };
 
 #endif /* CONFIG_FILE_PROTOCOL */
@@ -141,6 +148,7 @@ URLProtocol ff_file_protocol = {
 
 static int pipe_open(URLContext *h, const char *filename, int flags)
 {
+    FileContext *c = h->priv_data;
     int fd;
     char *final;
     av_strstart(filename, "pipe:", &filename);
@@ -156,7 +164,7 @@ static int pipe_open(URLContext *h, const char *filename, int flags)
 #if HAVE_SETMODE
     setmode(fd, O_BINARY);
 #endif
-    h->priv_data = (void *) (intptr_t) fd;
+    c->fd = fd;
     h->is_streamed = 1;
     return 0;
 }
@@ -168,6 +176,7 @@ URLProtocol ff_pipe_protocol = {
     .url_write           = file_write,
     .url_get_file_handle = file_get_handle,
     .url_check           = file_check,
+    .priv_data_size      = sizeof(FileContext),
 };
 
 #endif /* CONFIG_PIPE_PROTOCOL */