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v4l2object: Don't hardcode min/max use default instead

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This commit is contained in:
Nicolas Dufresne 2014-04-04 22:36:37 -04:00
parent f6d425bf0f
commit 8f6bd0dbc0
1 changed files with 11 additions and 5 deletions
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16
sys/v4l2/gstv4l2object.c
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@ -3174,10 +3174,16 @@ gboolean
gst_v4l2_object_propose_allocation (GstV4l2Object * obj, GstQuery * query) gst_v4l2_object_propose_allocation (GstV4l2Object * obj, GstQuery * query)
{ {
GstBufferPool *pool; GstBufferPool *pool;
guint size = 0; /* we need at least 2 buffers to operate */
guint size, min, max;
GstCaps *caps; GstCaps *caps;
gboolean need_pool; gboolean need_pool;
/* Set defaults allocation parameters */
size = obj->sizeimage;
min = GST_V4L2_MIN_BUFFERS;
max = VIDEO_MAX_FRAME;
gst_query_parse_allocation (query, &caps, &need_pool); gst_query_parse_allocation (query, &caps, &need_pool);
if (caps == NULL) if (caps == NULL)
@ -3192,7 +3198,7 @@ gst_v4l2_object_propose_allocation (GstV4l2Object * obj, GstQuery * query)
/* we had a pool, check caps */ /* we had a pool, check caps */
config = gst_buffer_pool_get_config (pool); config = gst_buffer_pool_get_config (pool);
gst_buffer_pool_config_get_params (config, &pcaps, &size, NULL, NULL); gst_buffer_pool_config_get_params (config, &pcaps, NULL, NULL, NULL);
GST_DEBUG_OBJECT (obj->element, GST_DEBUG_OBJECT (obj->element,
"we had a pool with caps %" GST_PTR_FORMAT, pcaps); "we had a pool with caps %" GST_PTR_FORMAT, pcaps);
@ -3203,12 +3209,12 @@ gst_v4l2_object_propose_allocation (GstV4l2Object * obj, GstQuery * query)
} }
gst_structure_free (config); gst_structure_free (config);
} }
/* we need at least 2 buffers to operate */
gst_query_add_allocation_pool (query, pool, size, 2, 0); gst_query_add_allocation_pool (query, pool, size, min, max);
/* we also support various metadata */ /* we also support various metadata */
/* FIXME should it be set per class ? */
gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL); gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
/* FIXME probe for crop support */
gst_query_add_allocation_meta (query, GST_VIDEO_CROP_META_API_TYPE, NULL); gst_query_add_allocation_meta (query, GST_VIDEO_CROP_META_API_TYPE, NULL);
if (pool) if (pool)