gstfunnel: avoid access of freed pad

[platform/upstream/gstreamer.git] / gst / gstbuffer.h

diff --git a/gst/gstbuffer.h b/gst/gstbuffer.h
index ea18e80..5b0a854 100644 (file)
--- a/gst/gstbuffer.h
+++ b/gst/gstbuffer.h
@@ -184,7 +184,7 @@ typedef struct _GstBufferPool GstBufferPool;
  * @GST_BUFFER_FLAG_CORRUPTED:   the buffer data is corrupted.
  * @GST_BUFFER_FLAG_MARKER:      the buffer contains a media specific marker. for
  *                               video this is typically the end of a frame boundary, for audio
- *                               this is usually the end of a talkspurt.
+ *                               this is usually the start of a talkspurt.
  * @GST_BUFFER_FLAG_HEADER:      the buffer contains header information that is
  *                               needed to decode the following data. The buffer
  *                               is also part of the headers of the STREAM_CONFIG event.
@@ -269,6 +269,7 @@ GstBuffer * gst_buffer_new_wrapped         (gpointer data, gsize size);
 guint       gst_buffer_n_memory             (GstBuffer *buffer);
 void        gst_buffer_insert_memory        (GstBuffer *buffer, gint idx, GstMemory *mem);
 void        gst_buffer_replace_memory_range (GstBuffer *buffer, guint idx, gint length, GstMemory *mem);
+GstMemory * gst_buffer_peek_memory          (GstBuffer *buffer, guint idx);
 GstMemory * gst_buffer_get_memory_range     (GstBuffer *buffer, guint idx, gint length);
 void        gst_buffer_remove_memory_range  (GstBuffer *buffer, guint idx, gint length);
 
@@ -288,6 +289,9 @@ void        gst_buffer_remove_memory_range  (GstBuffer *buffer, guint idx, gint
 #define     gst_buffer_remove_memory(b,i)      gst_buffer_remove_memory_range ((b), (i), 1)
 #define     gst_buffer_remove_all_memory(b)    gst_buffer_remove_memory_range ((b), 0, -1)
 
+gboolean    gst_buffer_find_memory         (GstBuffer *buffer, gsize offset, gsize size,
+                                            guint *idx, guint *length, gsize *skip);
+
 gsize       gst_buffer_fill                (GstBuffer *buffer, gsize offset,
                                             gconstpointer src, gsize size);
 gsize       gst_buffer_extract             (GstBuffer *buffer, gsize offset,
@@ -297,16 +301,20 @@ gint        gst_buffer_memcmp              (GstBuffer *buffer, gsize offset,
 gsize       gst_buffer_memset              (GstBuffer *buffer, gsize offset,
                                             guint8 val, gsize size);
 
-gsize       gst_buffer_get_sizes           (GstBuffer *buffer, gsize *offset, gsize *maxsize);
-void        gst_buffer_resize              (GstBuffer *buffer, gssize offset, gssize size);
+gsize       gst_buffer_get_sizes_range     (GstBuffer *buffer, guint idx, gint length,
+                                            gsize *offset, gsize *maxsize);
+void        gst_buffer_resize_range        (GstBuffer *buffer, guint idx, gint length,
+                                            gssize offset, gssize size);
 
+#define     gst_buffer_get_sizes(b,of,ms)  gst_buffer_get_sizes_range ((b), 0, -1, (of), (ms))
 /**
  * gst_buffer_get_size:
  * @b: a #GstBuffer.
  *
  * Get the size of @b.
  */
-#define     gst_buffer_get_size(b)         gst_buffer_get_sizes ((b), NULL, NULL)
+#define     gst_buffer_get_size(b)         gst_buffer_get_sizes_range ((b), 0, -1, NULL, NULL)
+#define     gst_buffer_resize(b,of,s)      gst_buffer_resize_range ((b), 0, -1, (of), (s))
 /**
  * gst_buffer_set_size:
  * @b: a #GstBuffer.
@@ -315,7 +323,7 @@ void        gst_buffer_resize              (GstBuffer *buffer, gssize offset, gs
  * Set the size of @b to @s. This will remove or trim the memory blocks
  * in the buffer.
  */
-#define     gst_buffer_set_size(b,s)       gst_buffer_resize ((b), 0, (s))
+#define     gst_buffer_set_size(b,s)       gst_buffer_resize_range ((b), 0, -1, 0, (s))
 
 gboolean    gst_buffer_map_range           (GstBuffer *buffer, guint idx, gint length,
                                             GstMapInfo *info, GstMapFlags flags);