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videometa: adjust for memory api change

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This commit is contained in:
Wim Taymans 2012-02-13 17:07:25 +01:00
parent bf476953f4
commit 6c51a80f6f
1 changed files with 37 additions and 19 deletions
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56
gst-libs/gst/video/gstvideometa.c
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@ -164,27 +164,48 @@ gst_buffer_add_video_meta_full (GstBuffer * buffer, GstVideoFlags flags,
return meta;
}
static GstMemory *
find_mem_for_offset (GstBuffer * buffer, guint * offset, GstMapFlags flags)
static gboolean
map_mem_for_offset (GstBuffer * buffer, guint * offset, GstMapInfo * info,
GstMapFlags flags)
{
guint n, i;
GstMemory *res = NULL;
n = gst_buffer_n_memory (buffer);
if ((n = gst_buffer_n_memory (buffer)) == 0)
goto no_memory;
for (i = 0; i < n; i++) {
GstMemory *mem = NULL;
gsize size;
mem = gst_buffer_peek_memory (buffer, i, flags);
mem = gst_buffer_get_memory (buffer, i);
size = gst_memory_get_sizes (mem, NULL, NULL);
if (*offset < size) {
res = mem;
GstMemory *mapped;
if (!(mapped = gst_memory_make_mapped (mem, info, flags)))
goto cannot_map;
if (mapped != mem && (flags & GST_MAP_WRITE))
gst_buffer_replace_memory (buffer, i, gst_memory_ref (mapped));
break;
}
*offset -= size;
gst_memory_unref (mem);
}
return TRUE;
/* ERRORS */
no_memory:
{
GST_DEBUG ("no memory");
return FALSE;
}
cannot_map:
{
GST_DEBUG ("cannot map memory");
return FALSE;
}
return res;
}
/**
@ -207,7 +228,6 @@ gst_video_meta_map (GstVideoMeta * meta, guint plane, GstMapInfo * info,
guint offset;
gboolean write, res;
GstBuffer *buffer;
GstMemory *mem;
g_return_val_if_fail (meta != NULL, FALSE);
g_return_val_if_fail (plane < meta->n_planes, FALSE);
@ -224,14 +244,13 @@ gst_video_meta_map (GstVideoMeta * meta, guint plane, GstMapInfo * info,
*stride = meta->stride[plane];
/* find the memory block for this plane, this is the memory block containing
* the plane offset */
mem = find_mem_for_offset (buffer, &offset, flags);
res = gst_memory_map (mem, info, flags);
/* move to the right offset inside the block */
info->data += offset;
info->size -= offset;
info->maxsize -= offset;
res = map_mem_for_offset (buffer, &offset, info, flags);
if (G_LIKELY (res)) {
/* move to the right offset inside the block */
info->data += offset;
info->size -= offset;
info->maxsize -= offset;
}
return res;
}
@ -251,7 +270,6 @@ gst_video_meta_unmap (GstVideoMeta * meta, guint plane, GstMapInfo * info)
{
guint offset;
GstBuffer *buffer;
GstMemory *mem;
g_return_val_if_fail (meta != NULL, FALSE);
g_return_val_if_fail (plane < meta->n_planes, FALSE);
@ -261,14 +279,14 @@ gst_video_meta_unmap (GstVideoMeta * meta, guint plane, GstMapInfo * info)
g_return_val_if_fail (buffer != NULL, FALSE);
offset = meta->offset[plane];
mem = find_mem_for_offset (buffer, &offset, GST_MAP_READ);
/* move to the right offset inside the block */
info->data -= offset;
info->size += offset;
info->maxsize += offset;
gst_memory_unmap (mem, info);
gst_memory_unmap (info->memory, info);
gst_memory_unref (info->memory);
return TRUE;
}