h265decoder: Port to GstCodecPicture struct

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5285>

subprojects/gst-plugins-bad/gst-libs/gst/codecs/gsth265decoder.c

@@ -849,7 +849,8 @@ gst_h265_decoder_process_slice (GstH265Decoder * self, GstH265Slice * slice)
 
     picture = gst_h265_picture_new ();
     /* This allows accessing the frame from the picture. */
-    picture->system_frame_number = priv->current_frame->system_frame_number;
+    GST_CODEC_PICTURE_FRAME_NUMBER (picture) =
+        priv->current_frame->system_frame_number;
 
     priv->current_picture = picture;
 
@@ -1714,12 +1715,12 @@ gst_h265_decoder_do_output_picture (GstH265Decoder * self,
   priv->last_output_poc = picture->pic_order_cnt;
 
   frame = gst_video_decoder_get_frame (GST_VIDEO_DECODER (self),
-      picture->system_frame_number);
+      GST_CODEC_PICTURE_FRAME_NUMBER (picture));
 
   if (!frame) {
     GST_ERROR_OBJECT (self,
         "No available codec frame with frame number %d",
-        picture->system_frame_number);
+        GST_CODEC_PICTURE_FRAME_NUMBER (picture));
     UPDATE_FLOW_RETURN (ret, GST_FLOW_ERROR);
 
     gst_h265_picture_unref (picture);
@@ -1747,7 +1748,7 @@ gst_h265_decoder_clear_dpb (GstH265Decoder * self, gboolean flush)
   if (!flush) {
     while ((picture = gst_h265_dpb_bump (priv->dpb, TRUE)) != NULL) {
       GstVideoCodecFrame *frame = gst_video_decoder_get_frame (decoder,
-          picture->system_frame_number);
+          GST_CODEC_PICTURE_FRAME_NUMBER (picture));
 
       if (frame)
         gst_video_decoder_release_frame (decoder, frame);
@@ -1855,8 +1856,8 @@ gst_h265_decoder_start_current_picture (GstH265Decoder * self)
   /* If subclass didn't update output state at this point,
    * marking this picture as a discont and stores current input state */
   if (priv->input_state_changed) {
-    priv->current_picture->discont_state =
-        gst_video_codec_state_ref (self->input_state);
+    gst_h265_picture_set_discont_state (priv->current_picture,
+        self->input_state);
     priv->input_state_changed = FALSE;
   }
 
@@ -1907,7 +1908,7 @@ gst_h265_decoder_finish_picture (GstH265Decoder * self,
   /* This picture is decode only, drop corresponding frame */
   if (!picture->output_flag) {
     GstVideoCodecFrame *frame = gst_video_decoder_get_frame (decoder,
-        picture->system_frame_number);
+        GST_CODEC_PICTURE_FRAME_NUMBER (picture));
 
     gst_video_decoder_release_frame (decoder, frame);
   }

subprojects/gst-plugins-bad/gst-libs/gst/codecs/gsth265decoder.h

@@ -101,7 +101,7 @@ struct _GstH265DecoderClass
    *
    * Optional. Called whenever new #GstH265Picture is created.
    * Subclass can set implementation specific user data
-   * on the #GstH265Picture via gst_h265_picture_set_user_data()
+   * on the #GstH265Picture via gst_h265_picture_set_user_data
    */
   GstFlowReturn (*new_picture)      (GstH265Decoder * decoder,
                                      GstVideoCodecFrame * frame,

subprojects/gst-plugins-bad/gst-libs/gst/codecs/gsth265picture.c

@@ -22,24 +22,13 @@
 #endif
 
 #include "gsth265picture.h"
+#include "gstcodecpicture-private.h"
 
 GST_DEBUG_CATEGORY_EXTERN (gst_h265_decoder_debug);
 #define GST_CAT_DEFAULT gst_h265_decoder_debug
 
 GST_DEFINE_MINI_OBJECT_TYPE (GstH265Picture, gst_h265_picture);
 
-static void
-_gst_h265_picture_free (GstH265Picture * picture)
-{
-  if (picture->notify)
-    picture->notify (picture->user_data);
-
-  if (picture->discont_state)
-    gst_video_codec_state_unref (picture->discont_state);
-
-  g_free (picture);
-}
-
 /**
  * gst_h265_picture_new:
  *
@@ -62,51 +51,11 @@ gst_h265_picture_new (void)
 
   gst_mini_object_init (GST_MINI_OBJECT_CAST (pic), 0,
       GST_TYPE_H265_PICTURE, NULL, NULL,
-      (GstMiniObjectFreeFunction) _gst_h265_picture_free);
+      (GstMiniObjectFreeFunction) gst_codec_picture_free);
 
   return pic;
 }
 
-/**
- * gst_h265_picture_set_user_data:
- * @picture: a #GstH265Picture
- * @user_data: (nullable): private data
- * @notify: (closure user_data): a #GDestroyNotify
- *
- * Sets @user_data on the picture and the #GDestroyNotify that will be called when
- * the picture is freed.
- *
- * If a @user_data was previously set, then the previous set @notify will be called
- * before the @user_data is replaced.
- */
-void
-gst_h265_picture_set_user_data (GstH265Picture * picture, gpointer user_data,
-    GDestroyNotify notify)
-{
-  g_return_if_fail (GST_IS_H265_PICTURE (picture));
-
-  if (picture->notify)
-    picture->notify (picture->user_data);
-
-  picture->user_data = user_data;
-  picture->notify = notify;
-}
-
-/**
- * gst_h265_picture_get_user_data:
- * @picture: a #GstH265Picture
- *
- * Gets private data set on the picture via
- * gst_h265_picture_set_user_data() previously.
- *
- * Returns: (transfer none) (nullable): The previously set user_data
- */
-gpointer
-gst_h265_picture_get_user_data (GstH265Picture * picture)
-{
-  return picture->user_data;
-}
-
 struct _GstH265Dpb
 {
   GArray *pic_list;
@@ -474,7 +423,7 @@ gst_h265_dpb_get_picture (GstH265Dpb * dpb, guint32 system_frame_number)
     GstH265Picture *picture =
         g_array_index (dpb->pic_list, GstH265Picture *, i);
 
-    if (picture->system_frame_number == system_frame_number) {
+    if (GST_CODEC_PICTURE_FRAME_NUMBER (picture) == system_frame_number) {
       gst_h265_picture_ref (picture);
       return picture;
     }

subprojects/gst-plugins-bad/gst-libs/gst/codecs/gsth265picture.h

@@ -27,6 +27,7 @@
 
 #include <gst/gst.h>
 #include <gst/codecs/codecs-prelude.h>
+#include <gst/codecs/gstcodecpicture.h>
 #include <gst/codecparsers/gsth265parser.h>
 #include <gst/video/video.h>
 
@@ -60,13 +61,10 @@ struct _GstH265Slice
 struct _GstH265Picture
 {
   /*< private >*/
-  GstMiniObject parent;
+  GstCodecPicture parent;
 
   GstH265SliceType type;
 
-  /* From GstVideoCodecFrame */
-  guint32 system_frame_number;
-
   gint pic_order_cnt;
   gint pic_order_cnt_msb;
   gint pic_order_cnt_lsb;
@@ -89,12 +87,6 @@ struct _GstH265Picture
   guint8 duplicate_flag;
 
   GstVideoBufferFlags buffer_flags;
-
-  /* decoder input state if this picture is discont point */
-  GstVideoCodecState *discont_state;
-
-  gpointer user_data;
-  GDestroyNotify notify;
 };
 
 GST_CODECS_API
@@ -132,13 +124,27 @@ gst_clear_h265_picture (GstH265Picture ** picture)
   }
 }
 
-GST_CODECS_API
-void gst_h265_picture_set_user_data (GstH265Picture * picture,
-                                     gpointer user_data,
-                                     GDestroyNotify notify);
+static inline void
+gst_h265_picture_set_user_data (GstH265Picture * picture, gpointer user_data,
+    GDestroyNotify notify)
+{
+  gst_codec_picture_set_user_data (GST_CODEC_PICTURE (picture),
+      user_data, notify);
+}
 
-GST_CODECS_API
-gpointer gst_h265_picture_get_user_data (GstH265Picture * picture);
+static inline gpointer
+gst_h265_picture_get_user_data (GstH265Picture * picture)
+{
+  return gst_codec_picture_get_user_data (GST_CODEC_PICTURE (picture));
+}
+
+static inline void
+gst_h265_picture_set_discont_state (GstH265Picture * picture,
+    GstVideoCodecState * discont_state)
+{
+  gst_codec_picture_set_discont_state (GST_CODEC_PICTURE (picture),
+      discont_state);
+}
 
 /*******************
  * GstH265Dpb *

subprojects/gst-plugins-bad/sys/d3d11/gstd3d11h265dec.cpp

@@ -933,8 +933,8 @@ gst_d3d11_h265_dec_output_picture (GstH265Decoder * decoder,
   }
 
   if (!gst_d3d11_decoder_process_output (inner->d3d11_decoder, vdec,
-          picture->discont_state, inner->width, inner->height, view_buffer,
-          &frame->output_buffer)) {
+          GST_CODEC_PICTURE (picture)->discont_state, inner->width,
+          inner->height, view_buffer, &frame->output_buffer)) {
     GST_ERROR_OBJECT (self, "Failed to copy buffer");
     goto error;
   }

subprojects/gst-plugins-bad/sys/nvcodec/gstnvh265dec.cpp

@@ -682,7 +682,8 @@ gst_nv_h265_dec_output_picture (GstH265Decoder * decoder,
   }
 
   ret = gst_nv_decoder_finish_surface (self->decoder,
-      vdec, picture->discont_state, surface, &frame->output_buffer);
+      vdec, GST_CODEC_PICTURE (picture)->discont_state, surface,
+      &frame->output_buffer);
   if (ret != GST_FLOW_OK)
     goto error;
 

subprojects/gst-plugins-bad/sys/v4l2codecs/gstv4l2codech265dec.c

@@ -814,7 +814,7 @@ lookup_dpb_index (struct v4l2_hevc_dpb_entry dpb[16], GstH265Picture * ref_pic)
   if (!ref_pic)
     return 0xff;
 
-  ref_ts = (guint64) ref_pic->system_frame_number * 1000;
+  ref_ts = (guint64) GST_CODEC_PICTURE_FRAME_NUMBER (ref_pic) * 1000;
   for (i = 0; i < 16; i++) {
     if (dpb[i].timestamp == ref_ts)
       return i;
@@ -1010,7 +1010,7 @@ gst_v4l2_codec_h265_dec_fill_decode_params (GstV4l2CodecH265Dec * self,
        * The reference is multiplied by 1000 because it's wassed as micro
        * seconds and this TS is nanosecond.
        */
-      .timestamp = (guint64) ref_pic->system_frame_number * 1000,
+      .timestamp = (guint64) GST_CODEC_PICTURE_FRAME_NUMBER (ref_pic) * 1000,
       .flags = ref_pic->long_term ? V4L2_HEVC_DPB_ENTRY_LONG_TERM_REFERENCE : 0,
       .field_pic = ref_pic->pic_struct,
       .pic_order_cnt_val = ref_pic->pic_order_cnt,
@@ -1191,21 +1191,23 @@ gst_v4l2_codec_h265_dec_output_picture (GstH265Decoder * decoder,
   GstV4l2CodecH265Dec *self = GST_V4L2_CODEC_H265_DEC (decoder);
   GstVideoDecoder *vdec = GST_VIDEO_DECODER (decoder);
   GstV4l2Request *request = gst_h265_picture_get_user_data (picture);
+  GstCodecPicture *codec_picture = GST_CODEC_PICTURE (picture);
   gint ret;
 
-  if (picture->discont_state) {
+  if (codec_picture->discont_state) {
     if (!gst_video_decoder_negotiate (vdec)) {
       GST_ERROR_OBJECT (vdec, "Could not re-negotiate with updated state");
       return FALSE;
     }
   }
 
-  GST_DEBUG_OBJECT (self, "Output picture %u", picture->system_frame_number);
+  GST_DEBUG_OBJECT (self, "Output picture %u",
+      codec_picture->system_frame_number);
 
   ret = gst_v4l2_request_set_done (request);
   if (ret == 0) {
     GST_ELEMENT_ERROR (self, STREAM, DECODE,
-        ("Decoding frame %u took too long", picture->system_frame_number),
+        ("Decoding frame %u took too long", codec_picture->system_frame_number),
         (NULL));
     goto error;
   } else if (ret < 0) {
@@ -1217,7 +1219,8 @@ gst_v4l2_codec_h265_dec_output_picture (GstH265Decoder * decoder,
 
   if (gst_v4l2_request_failed (request)) {
     GST_ELEMENT_ERROR (self, STREAM, DECODE,
-        ("Failed to decode frame %u", picture->system_frame_number), (NULL));
+        ("Failed to decode frame %u", codec_picture->system_frame_number),
+        (NULL));
     goto error;
   }
 
@@ -1311,16 +1314,17 @@ gst_v4l2_codec_h265_dec_submit_bitstream (GstV4l2CodecH265Dec * self,
         self->bitstream);
   } else {
     GstVideoCodecFrame *frame;
+    guint32 system_frame_number = GST_CODEC_PICTURE_FRAME_NUMBER (picture);
 
     frame = gst_video_decoder_get_frame (GST_VIDEO_DECODER (self),
-        picture->system_frame_number);
+        system_frame_number);
     g_return_val_if_fail (frame, FALSE);
 
     if (!gst_v4l2_codec_h265_dec_ensure_output_buffer (self, frame))
       goto done;
 
     request = gst_v4l2_decoder_alloc_request (self->decoder,
-        picture->system_frame_number, self->bitstream, frame->output_buffer);
+        system_frame_number, self->bitstream, frame->output_buffer);
 
     gst_video_codec_frame_unref (frame);
   }

subprojects/gst-plugins-bad/sys/va/gstvah265dec.c

@@ -237,8 +237,8 @@ gst_va_h265_dec_output_picture (GstH265Decoder * decoder,
 
   gst_buffer_replace (&frame->output_buffer, va_pic->gstbuffer);
 
-  ret = gst_va_base_dec_process_output (base, frame, picture->discont_state,
-      picture->buffer_flags);
+  ret = gst_va_base_dec_process_output (base, frame,
+      GST_CODEC_PICTURE (picture)->discont_state, picture->buffer_flags);
   gst_h265_picture_unref (picture);
 
   if (ret)