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vacompositor: record the input caps for each input pad

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The caps of each input sink pad wil decide the final output format and
caps of the src pad.

Co-authored-by: Víctor Jáquez <vjaquez@igalia.com>
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5160>
This commit is contained in:
He Junyan 2023-08-08 15:11:29 +08:00 committed by GStreamer Marge Bot
parent ee903a5afd
commit eb4d2dd204
1 changed files with 52 additions and 0 deletions
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52
subprojects/gst-plugins-bad/sys/va/gstvacompositor.c
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@ -47,6 +47,7 @@
#include "gstvacompositor.h"
#include <gst/va/gstva.h>
#include <gst/va/gstvavideoformat.h>
#include <gst/va/vasurfaceimage.h>
#include <gst/video/video.h>
#include <va/va_drmcommon.h>
@ -79,6 +80,13 @@ struct _GstVaCompositorPad
gint width;
gint height;
gdouble alpha;
GstCaps *sinkpad_caps;
union
{
GstVideoInfo in_info;
GstVideoInfoDmaDrm in_drm_info;
};
};
enum
@ -168,6 +176,8 @@ gst_va_compositor_pad_finalize (GObject * object)
gst_clear_object (&self->pool);
}
gst_clear_caps (&self->sinkpad_caps);
G_OBJECT_CLASS (gst_va_compositor_pad_parent_class)->finalize (object);
}
@ -180,6 +190,8 @@ gst_va_compositor_pad_init (GstVaCompositorPad * self)
self->width = DEFAULT_PAD_WIDTH;
self->height = DEFAULT_PAD_HEIGHT;
self->alpha = DEFAULT_PAD_ALPHA;
self->sinkpad_caps = NULL;
}
static void
@ -1177,6 +1189,45 @@ gst_va_compositor_fixate_src_caps (GstAggregator * agg, GstCaps * caps)
return gst_caps_fixate (ret);
}
static gboolean
gst_va_compositor_pad_set_info_unlocked (GstVaCompositorPad * pad,
GstCaps * caps)
{
if (!gst_video_is_dma_drm_caps (caps)) {
gst_video_info_dma_drm_init (&pad->in_drm_info);
return gst_video_info_from_caps (&pad->in_info, caps);
}
if (!gst_video_info_dma_drm_from_caps (&pad->in_drm_info, caps))
return FALSE;
if (!gst_va_dma_drm_info_to_video_info (&pad->in_drm_info, &pad->in_info))
return FALSE;
return TRUE;
}
static gboolean
gst_va_compositor_sink_event (GstAggregator * agg, GstAggregatorPad * bpad,
GstEvent * event)
{
GstVaCompositorPad *va_pad = GST_VA_COMPOSITOR_PAD (bpad);
GstCaps *caps;
if (GST_EVENT_TYPE (event) == GST_EVENT_CAPS) {
gst_event_parse_caps (event, &caps);
GST_OBJECT_LOCK (agg);
if (!gst_va_compositor_pad_set_info_unlocked (va_pad, caps)) {
GST_OBJECT_UNLOCK (agg);
return FALSE;
}
gst_caps_replace (&va_pad->sinkpad_caps, caps);
GST_OBJECT_UNLOCK (agg);
}
return GST_AGGREGATOR_CLASS (parent_class)->sink_event (agg, bpad, event);
}
/* *INDENT-OFF* */
static const gchar *caps_str =
GST_VIDEO_CAPS_MAKE_WITH_FEATURES (GST_CAPS_FEATURE_MEMORY_VA,
@ -1268,6 +1319,7 @@ gst_va_compositor_class_init (gpointer g_class, gpointer class_data)
GST_DEBUG_FUNCPTR (gst_va_compositor_negotiated_src_caps);
agg_class->decide_allocation =
GST_DEBUG_FUNCPTR (gst_va_compositor_decide_allocation);
agg_class->sink_event = GST_DEBUG_FUNCPTR (gst_va_compositor_sink_event);
vagg_class->aggregate_frames =
GST_DEBUG_FUNCPTR (gst_va_compositor_aggregate_frames);