[PATCH spice-server] Revert "gstreamer: Avoid memory copy if strides are different"

[Frediano Ziglio <fziglio@xxxxxxxxxx>]

This reverts commit c3d237075b994fe67edddd58f2b3164cb579e6f4.
---
 server/gstreamer-encoder.c | 26 ++++++--------------------
 1 file changed, 6 insertions(+), 20 deletions(-)

diff --git a/server/gstreamer-encoder.c b/server/gstreamer-encoder.c
index 991eb51..df54cad 100644
--- a/server/gstreamer-encoder.c
+++ b/server/gstreamer-encoder.c
@@ -1236,6 +1236,8 @@ static void clear_zero_copy_queue(SpiceGstEncoder *encoder, gboolean unref_queue
     /* Nothing to do */
 }
 
+#endif
+
 /* A helper for push_raw_frame() */
 static inline int line_copy(SpiceGstEncoder *encoder, const SpiceBitmap *bitmap,
                             uint32_t chunk_offset, uint32_t stream_stride,
@@ -1266,8 +1268,6 @@ static inline int line_copy(SpiceGstEncoder *encoder, const SpiceBitmap *bitmap,
      return TRUE;
 }
 
-#endif
-
 /* A helper for push_raw_frame() */
 static inline int chunk_copy(SpiceGstEncoder *encoder, const SpiceBitmap *bitmap,
                              uint32_t chunk_index, uint32_t chunk_offset,
@@ -1350,8 +1350,8 @@ static int push_raw_frame(SpiceGstEncoder *encoder,
                           gpointer bitmap_opaque)
 {
     uint32_t height = src->bottom - src->top;
-    uint32_t len;
-    uint32_t chunk_index = 0;
+    uint32_t stream_stride = (src->right - src->left) * encoder->format->bpp / 8;
+    uint32_t len = stream_stride * height;
     GstBuffer *buffer = gst_buffer_new();
     /* TODO Use GST_MAP_INFO_INIT once GStreamer 1.4.5 is no longer relevant */
     GstMapInfo map = { .memory = NULL };
@@ -1362,10 +1362,6 @@ static int push_raw_frame(SpiceGstEncoder *encoder,
     uint32_t skip_lines = top_down ? src->top : bitmap->y - (src->bottom - 0);
     uint32_t chunk_offset = bitmap->stride * skip_lines;
 
-#ifndef DO_ZERO_COPY
-    uint32_t stream_stride = (src->right - src->left) * encoder->format->bpp / 8;
-
-    len = stream_stride * height;
     if (stream_stride != bitmap->stride) {
         /* We have to do a line-by-line copy because for each we have to
          * leave out pixels on the left or right.
@@ -1381,19 +1377,9 @@ static int push_raw_frame(SpiceGstEncoder *encoder,
             return VIDEO_ENCODER_FRAME_UNSUPPORTED;
         }
     } else {
-#else
-    {
-        /* using GStreamer 1.0, we can avoid cropping the image by simply passing
-         * the appropriate offset and stride as metadata */
-        gsize offset[] = { src->left * encoder->format->bpp / 8 };
-        gint stride[] = { bitmap->stride };
-        gst_buffer_add_video_meta_full(buffer, GST_VIDEO_FRAME_FLAG_NONE,
-                                       encoder->format->gst_format, bitmap->x, bitmap->y,
-                                       1, offset, stride);
-
-        len = bitmap->stride * height;
-
         /* We can copy the bitmap chunk by chunk */
+        uint32_t chunk_index = 0;
+#ifdef DO_ZERO_COPY
         if (!zero_copy(encoder, bitmap, bitmap_opaque, buffer, &chunk_index,
                        &chunk_offset, &len)) {
             gst_buffer_unref(buffer);
-- 
2.9.3

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