hwcontext_vulkan: dlopen libvulkan

[ffmpeg] / libavcodec / v4l2_m2m.h

diff --git a/libavcodec/v4l2_m2m.h b/libavcodec/v4l2_m2m.h
index 452bf0d9bc2581c0d7da794de6d71c2be03330e6..b67b21633109deb15df0c566a7098adc99045ea2 100644 (file)
--- a/libavcodec/v4l2_m2m.h
+++ b/libavcodec/v4l2_m2m.h
@@ -56,13 +56,19 @@ typedef struct V4L2m2mContext {
 
     /* null frame/packet received */
     int draining;
+    AVPacket buf_pkt;
+
+    /* Reference to a frame. Only used during encoding */
+    AVFrame *frame;
 
     /* Reference to self; only valid while codec is active. */
     AVBufferRef *self_ref;
+
+    /* reference back to V4L2m2mPriv */
+    void *priv;
 } V4L2m2mContext;
 
-typedef struct V4L2m2mPriv
-{
+typedef struct V4L2m2mPriv {
     AVClass *class;
 
     V4L2m2mContext *context;
@@ -75,36 +81,36 @@ typedef struct V4L2m2mPriv
 /**
  * Allocate a new context and references for a V4L2 M2M instance.
  *
- * @param[in] ctx The AVCodecContext instantiated by the encoder/decoder.
+ * @param[in] ctx The V4L2m2mPriv instantiated by the encoder/decoder.
  * @param[out] ctx The V4L2m2mContext.
  *
  * @returns 0 in success, a negative error code otherwise.
  */
-int ff_v4l2_m2m_create_context(AVCodecContext *avctx, V4L2m2mContext **s);
+int ff_v4l2_m2m_create_context(V4L2m2mPriv *priv, V4L2m2mContext **s);
 
 
 /**
  * Probes the video nodes looking for the required codec capabilities.
  *
- * @param[in] ctx The AVCodecContext instantiated by the encoder/decoder.
+ * @param[in] ctx The V4L2m2mPriv instantiated by the encoder/decoder.
  *
  * @returns 0 if a driver is found, a negative number otherwise.
  */
-int ff_v4l2_m2m_codec_init(AVCodecContext *avctx);
+int ff_v4l2_m2m_codec_init(V4L2m2mPriv *priv);
 
 /**
  * Releases all the codec resources if all AVBufferRefs have been returned to the
  * ctx. Otherwise keep the driver open.
  *
- * @param[in] The AVCodecContext instantiated by the encoder/decoder.
+ * @param[in] The V4L2m2mPriv instantiated by the encoder/decoder.
  *
  * @returns 0
  *
  */
-int ff_v4l2_m2m_codec_end(AVCodecContext *avctx);
+int ff_v4l2_m2m_codec_end(V4L2m2mPriv *priv);
 
 /**
- * Reinitializes the V4L2m2mContext when the driver cant continue processing
+ * Reinitializes the V4L2m2mContext when the driver cannot continue processing
  * with the capture parameters.
  *
  * @param[in] ctx The V4L2m2mContext instantiated by the encoder/decoder.
@@ -114,7 +120,7 @@ int ff_v4l2_m2m_codec_end(AVCodecContext *avctx);
 int ff_v4l2_m2m_codec_reinit(V4L2m2mContext *ctx);
 
 /**
- * Reinitializes the V4L2m2mContext when the driver cant continue processing
+ * Reinitializes the V4L2m2mContext when the driver cannot continue processing
  * with the  any of the current V4L2Contexts (ie, changes in output and capture).
  *
  * @param[in] ctx The V4L2m2mContext instantiated by the encoder/decoder.