configure: Fix detection of vp9 decoder/encoder

[ffmpeg] / libavcodec / internal.h

diff --git a/libavcodec/internal.h b/libavcodec/internal.h
index d47ce0e93d55590f143fe372fef19064bb3b1ab2..30cb9a0de1df41fc4eed4f3cf2084343cdf04227 100644 (file)
--- a/libavcodec/internal.h
+++ b/libavcodec/internal.h
@@ -69,11 +69,6 @@
  */
 #define FF_CODEC_CAP_SLICE_THREAD_HAS_MF    (1 << 5)
 
-/**
- * Allow only AVHWAccels which have a matching decoder_class field.
- */
-#define FF_CODEC_CAP_HWACCEL_REQUIRE_CLASS  (1 << 6)
-
 #ifdef TRACE
 #   define ff_tlog(ctx, ...) av_log(ctx, AV_LOG_TRACE, __VA_ARGS__)
 #else
@@ -378,6 +373,12 @@ int ff_side_data_update_matrix_encoding(AVFrame *frame,
  * Select the (possibly hardware accelerated) pixel format.
  * This is a wrapper around AVCodecContext.get_format() and should be used
  * instead of calling get_format() directly.
+ *
+ * The list of pixel formats must contain at least one valid entry, and is
+ * terminated with AV_PIX_FMT_NONE.  If it is possible to decode to software,
+ * the last entry in the list must be the most accurate software format.
+ * If it is not possible to decode to software, AVCodecContext.sw_pix_fmt
+ * must be set before calling this function.
  */
 int ff_get_format(AVCodecContext *avctx, const enum AVPixelFormat *fmt);
 
@@ -414,12 +415,8 @@ int ff_alloc_a53_sei(const AVFrame *frame, size_t prefix_len,
  */
 int64_t ff_guess_coded_bitrate(AVCodecContext *avctx);
 
-#if defined(_WIN32) && CONFIG_SHARED
-#ifdef BUILDING_avcodec
-#    define av_export_avcodec __declspec(dllexport)
-#else
+#if defined(_WIN32) && CONFIG_SHARED && !defined(BUILDING_avcodec)
 #    define av_export_avcodec __declspec(dllimport)
-#endif
 #else
 #    define av_export_avcodec
 #endif