lavf/http: Implement server side network code.

[ffmpeg] / libavformat / async.c

diff --git a/libavformat/async.c b/libavformat/async.c
index 54021e71435f0781ab1f7ae39cc4b0c291c92280..60ea14c9e0e85e21e59ff83f2ce50972c4098ccd 100644 (file)
--- a/libavformat/async.c
+++ b/libavformat/async.c
@@ -71,7 +71,7 @@ typedef struct Context {
     AVIOInterruptCB interrupt_callback;
 } Context;
 
-static int async_interrupt_callback(void *arg)
+static int async_check_interrupt(void *arg)
 {
     URLContext *h   = arg;
     Context    *c   = h->priv_data;
@@ -95,15 +95,16 @@ static void *async_buffer_task(void *arg)
     while (1) {
         int fifo_space, to_copy;
 
-        if (async_interrupt_callback(h)) {
+        pthread_mutex_lock(&c->mutex);
+        if (async_check_interrupt(h)) {
             c->io_eof_reached = 1;
             c->io_error       = AVERROR_EXIT;
+            pthread_cond_signal(&c->cond_wakeup_main);
+            pthread_mutex_unlock(&c->mutex);
             break;
         }
 
         if (c->seek_request) {
-            pthread_mutex_lock(&c->mutex);
-
             ret = ffurl_seek(c->inner, c->seek_pos, c->seek_whence);
             if (ret < 0) {
                 c->io_eof_reached = 1;
@@ -126,15 +127,17 @@ static void *async_buffer_task(void *arg)
 
         fifo_space = av_fifo_space(fifo);
         if (c->io_eof_reached || fifo_space <= 0) {
-            pthread_mutex_lock(&c->mutex);
             pthread_cond_signal(&c->cond_wakeup_main);
             pthread_cond_wait(&c->cond_wakeup_background, &c->mutex);
             pthread_mutex_unlock(&c->mutex);
             continue;
         }
+        pthread_mutex_unlock(&c->mutex);
 
         to_copy = FFMIN(4096, fifo_space);
         ret = av_fifo_generic_write(fifo, c->inner, to_copy, (void *)ffurl_read);
+
+        pthread_mutex_lock(&c->mutex);
         if (ret <= 0) {
             c->io_eof_reached = 1;
             if (ret < 0) {
@@ -142,7 +145,6 @@ static void *async_buffer_task(void *arg)
             }
         }
 
-        pthread_mutex_lock(&c->mutex);
         pthread_cond_signal(&c->cond_wakeup_main);
         pthread_mutex_unlock(&c->mutex);
     }
@@ -154,7 +156,7 @@ static int async_open(URLContext *h, const char *arg, int flags, AVDictionary **
 {
     Context         *c = h->priv_data;
     int              ret;
-    AVIOInterruptCB  interrupt_callback = {.callback = async_interrupt_callback, .opaque = h};
+    AVIOInterruptCB  interrupt_callback = {.callback = async_check_interrupt, .opaque = h};
 
     av_strstart(arg, "async:", &arg);
 
@@ -250,7 +252,7 @@ static int async_read_internal(URLContext *h, void *dest, int size, int read_com
 
     while (to_read > 0) {
         int fifo_size, to_copy;
-        if (async_interrupt_callback(h)) {
+        if (async_check_interrupt(h)) {
             ret = AVERROR_EXIT;
             break;
         }
@@ -342,7 +344,7 @@ static int64_t async_seek(URLContext *h, int64_t pos, int whence)
     c->seek_ret       = 0;
 
     while (1) {
-        if (async_interrupt_callback(h)) {
+        if (async_check_interrupt(h)) {
             ret = AVERROR_EXIT;
             break;
         }