Add thread-safe wrapper for get_format().

Just like get_buffer, get_format should not be called from a different
thread if thread_safe_callbacks is not set.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>

1 files changed, 10 insertions, 0 deletions

diff --git a/libavcodec/thread.h b/libavcodec/thread.h
index 24e62b4967..0dc04e0702 100644
--- a/libavcodec/thread.h
+++ b/libavcodec/thread.h
@@ -98,6 +98,16 @@ void ff_thread_report_progress(ThreadFrame *f, int progress, int field);
 void ff_thread_await_progress(ThreadFrame *f, int progress, int field);
 
 /**
+ * Wrapper around get_format() for frame-multithreaded codecs.
+ * Call this function instead of avctx->get_format().
+ * Cannot be called after the codec has called ff_thread_finish_setup().
+ *
+ * @param avctx The current context.
+ * @param fmt The list of available formats.
+ */
+enum AVPixelFormat ff_thread_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt);
+
+/**
  * Wrapper around get_buffer() for frame-multithreaded codecs.
  * Call this function instead of ff_get_buffer(f).
  * Cannot be called after the codec has called ff_thread_finish_setup().