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v4l2: Move propose allocation to v4l2object
This commit is contained in:
parent
f810196b3e
commit
0488984f82
3 changed files with 64 additions and 55 deletions
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@ -3169,3 +3169,63 @@ pool_failed:
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return FALSE;
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}
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}
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gboolean
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gst_v4l2_object_propose_allocation (GstV4l2Object * obj, GstQuery * query)
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{
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GstBufferPool *pool;
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guint size = 0;
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GstCaps *caps;
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gboolean need_pool;
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gst_query_parse_allocation (query, &caps, &need_pool);
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if (caps == NULL)
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goto no_caps;
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if ((pool = obj->pool))
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gst_object_ref (pool);
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if (pool != NULL) {
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GstCaps *pcaps;
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GstStructure *config;
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/* we had a pool, check caps */
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config = gst_buffer_pool_get_config (pool);
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gst_buffer_pool_config_get_params (config, &pcaps, &size, NULL, NULL);
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GST_DEBUG_OBJECT (obj->element,
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"we had a pool with caps %" GST_PTR_FORMAT, pcaps);
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if (!gst_caps_is_equal (caps, pcaps)) {
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gst_structure_free (config);
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gst_object_unref (pool);
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goto different_caps;
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}
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gst_structure_free (config);
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}
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/* we need at least 2 buffers to operate */
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gst_query_add_allocation_pool (query, pool, size, 2, 0);
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/* we also support various metadata */
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/* FIXME should it be set per class ? */
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gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
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gst_query_add_allocation_meta (query, GST_VIDEO_CROP_META_API_TYPE, NULL);
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if (pool)
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gst_object_unref (pool);
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return TRUE;
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/* ERRORS */
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no_caps:
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{
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GST_DEBUG_OBJECT (obj->element, "no caps specified");
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return FALSE;
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}
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different_caps:
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{
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/* different caps, we can't use this pool */
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GST_DEBUG_OBJECT (obj->element, "pool has different caps");
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return FALSE;
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}
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}
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@ -268,6 +268,9 @@ gboolean gst_v4l2_object_set_crop (GstV4l2Object * obj);
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gboolean gst_v4l2_object_decide_allocation (GstV4l2Object * v4l2object,
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GstQuery * query);
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gboolean gst_v4l2_object_propose_allocation (GstV4l2Object * obj,
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GstQuery * query);
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GstStructure * gst_v4l2_object_v4l2fourcc_to_structure (guint32 fourcc);
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@ -536,61 +536,7 @@ static gboolean
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gst_v4l2sink_propose_allocation (GstBaseSink * bsink, GstQuery * query)
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{
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GstV4l2Sink *v4l2sink = GST_V4L2SINK (bsink);
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GstV4l2Object *obj = v4l2sink->v4l2object;
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GstBufferPool *pool;
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guint size = 0;
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GstCaps *caps;
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gboolean need_pool;
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gst_query_parse_allocation (query, &caps, &need_pool);
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if (caps == NULL)
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goto no_caps;
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if ((pool = obj->pool))
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gst_object_ref (pool);
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if (pool != NULL) {
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GstCaps *pcaps;
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GstStructure *config;
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/* we had a pool, check caps */
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config = gst_buffer_pool_get_config (pool);
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gst_buffer_pool_config_get_params (config, &pcaps, &size, NULL, NULL);
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GST_DEBUG_OBJECT (v4l2sink,
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"we had a pool with caps %" GST_PTR_FORMAT, pcaps);
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if (!gst_caps_is_equal (caps, pcaps)) {
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gst_structure_free (config);
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gst_object_unref (pool);
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goto different_caps;
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}
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gst_structure_free (config);
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}
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/* we need at least 2 buffers to operate */
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gst_query_add_allocation_pool (query, pool, size, 2, 0);
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/* we also support various metadata */
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gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
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gst_query_add_allocation_meta (query, GST_VIDEO_CROP_META_API_TYPE, NULL);
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if (pool)
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gst_object_unref (pool);
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return TRUE;
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/* ERRORS */
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no_caps:
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{
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GST_DEBUG_OBJECT (v4l2sink, "no caps specified");
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return FALSE;
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}
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different_caps:
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{
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/* different caps, we can't use this pool */
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GST_DEBUG_OBJECT (v4l2sink, "pool has different caps");
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return FALSE;
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}
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return gst_v4l2_object_propose_allocation (v4l2sink->v4l2object, query);
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}
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/* called after A/V sync to render frame */
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