Merge svn changes up to r31226

2 files changed, 15 insertions, 4 deletions

diff --git a/stream/cache2.c b/stream/cache2.c
index 2558adbb91..67c2b174c0 100644
--- a/stream/cache2.c
+++ b/stream/cache2.c
@@ -223,7 +223,7 @@ static int cache_fill(cache_vars_t *s)
   //memcpy(&s->buffer[pos],s->stream->buffer,len); // avoid this extra copy!
   // ....
   len=stream_read(s->stream,&s->buffer[pos],space);
-  if(!len) s->eof=1;
+  s->eof= !len;
 
   s->max_filepos+=len;
   if(pos+len>=s->buffer_size){
@@ -351,11 +351,20 @@ static void cache_mainloop(cache_vars_t *s) {
     int sleep_count = 0;
     do {
         if (!cache_fill(s)) {
+#if FORKED_CACHE
+            // Let signal wake us up, we cannot leave this
+            // enabled since we do not handle EINTR in most places.
+            // This might need extra code to work on BSD.
+            signal(SIGUSR1, dummy_sighandler);
+#endif
             if (sleep_count < INITIAL_FILL_USLEEP_COUNT) {
                 sleep_count++;
                 usec_sleep(INITIAL_FILL_USLEEP_TIME);
             } else
                 usec_sleep(FILL_USLEEP_TIME); // idle
+#if FORKED_CACHE
+            signal(SIGUSR1, SIG_IGN);
+#endif
         } else
             sleep_count = 0;
 //        cache_stats(s->cache_data);
@@ -441,7 +450,6 @@ err_out:
 
 #if FORKED_CACHE
   signal(SIGTERM,exit_sighandler); // kill
-  signal(SIGUSR1, dummy_sighandler); // wakeup
   cache_mainloop(s);
   // make sure forked code never leaves this function
   exit(0);
@@ -464,7 +472,6 @@ static void *ThreadProc( void *s ){
 
 int cache_stream_fill_buffer(stream_t *s){
   int len;
-  if(s->eof){ s->buf_pos=s->buf_len=0; return 0; }
   if(!s->cache_pid) return stream_fill_buffer(s);
 
 //  cache_stats(s->cache_data);
@@ -475,6 +482,7 @@ int cache_stream_fill_buffer(stream_t *s){
   //printf("cache_stream_fill_buffer->read -> %d\n",len);
 
   if(len<=0){ s->eof=1; s->buf_pos=s->buf_len=0; return 0; }
+  s->eof=0;
   s->buf_pos=0;
   s->buf_len=len;
   s->pos+=len;
diff --git a/stream/stream.c b/stream/stream.c
index 80e37369f7..165166245d 100644
--- a/stream/stream.c
+++ b/stream/stream.c
@@ -260,7 +260,7 @@ stream_t *open_output_stream(const char *filename, struct MPOpts *options)
 
 int stream_fill_buffer(stream_t *s){
   int len;
-  if (/*s->fd == NULL ||*/ s->eof) { return 0; }
+  // we will retry even if we already reached EOF previously.
   switch(s->type){
   case STREAMTYPE_STREAM:
 #ifdef CONFIG_NETWORK
@@ -282,6 +282,9 @@ int stream_fill_buffer(stream_t *s){
     len= s->fill_buffer ? s->fill_buffer(s,s->buffer,STREAM_BUFFER_SIZE) : 0;
   }
   if(len<=0){ s->eof=1; return 0; }
+  // When reading succeeded we are obviously not at eof.
+  // This e.g. avoids issues with eof getting stuck when lavf seeks in MPEG-TS
+  s->eof=0;
   s->buf_pos=0;
   s->buf_len=len;
   s->pos+=len;