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video: use metadata to set up strides

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Use the GstMetaVideo when we can to map the buffers and set up the strides.
This commit is contained in:
Wim Taymans 2011-06-17 16:47:25 +02:00
parent 6b60a27aba
commit 20d8d3050c
1 changed files with 17 additions and 4 deletions
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21
gst-libs/gst/video/video.c
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@ -887,9 +887,9 @@ gst_video_frame_map (GstVideoFrame * frame, GstVideoInfo * info,
GstBuffer * buffer, GstMapFlags flags)
{
GstMetaVideo *meta;
gint i;
guint8 *data;
gsize size;
gint i;
g_return_val_if_fail (frame != NULL, FALSE);
g_return_val_if_fail (info != NULL, FALSE);
@ -900,7 +900,16 @@ gst_video_frame_map (GstVideoFrame * frame, GstVideoInfo * info,
frame->meta = meta;
if (meta) {
/* FIXME use metadata */
frame->info.flags = meta->flags;
frame->info.format = meta->format;
frame->info.width = meta->width;
frame->info.height = meta->height;
frame->info.n_planes = meta->n_planes;
for (i = 0; i < info->n_planes; i++) {
frame->data[i] =
gst_meta_video_map (meta, i, &frame->info.plane[i].stride, flags);
}
} else {
/* copy the info */
frame->info = *info;
@ -937,7 +946,7 @@ gst_video_frame_unmap (GstVideoFrame * frame)
{
GstBuffer *buffer;
GstMetaVideo *meta;
guint8 *data;
gint i;
g_return_if_fail (frame != NULL);
@ -945,8 +954,12 @@ gst_video_frame_unmap (GstVideoFrame * frame)
meta = frame->meta;
if (meta) {
/* FIXME use metadata */
for (i = 0; i < frame->info.n_planes; i++) {
gst_meta_video_unmap (meta, i, frame->data[i]);
}
} else {
guint8 *data;
data = frame->data[0];
data -= frame->info.plane[0].offset;
gst_buffer_unmap (buffer, data, -1);