#include <stdlib.h>
#include <string.h>
-/* FIXME 0.11: suppress warnings for deprecated API such as GStaticRecMutex
- * with newer GLib versions (>= 2.31.0) */
-#define GLIB_DISABLE_DEPRECATION_WARNINGS
#include "../../../gst/gst_private.h"
#include "../../../gst/gst-i18n-lib.h"
#include "../../../gst/glib-compat-private.h"
#include "gstbasetransform.h"
-#include <gst/gstmarshal.h>
GST_DEBUG_CATEGORY_STATIC (gst_base_transform_debug);
#define GST_CAT_DEFAULT gst_base_transform_debug
struct _GstBaseTransformPrivate
{
+ /* Set by sub-class */
+ gboolean passthrough;
+ gboolean always_in_place;
+
+ GstCaps *cache_caps1;
+ gsize cache_caps1_size;
+ GstCaps *cache_caps2;
+ gsize cache_caps2_size;
+ gboolean have_same_caps;
+
+ gboolean negotiated;
+
/* QoS *//* with LOCK */
gboolean qos_enabled;
gdouble proportion;
GstClockTime position_out;
GstBufferPool *pool;
- const GstAllocator *allocator;
- guint prefix;
- guint alignment;
+ gboolean pool_active;
+ GstAllocator *allocator;
+ GstAllocationParams params;
+ GstQuery *query;
};
GstBuffer * buffer);
static GstCaps *gst_base_transform_default_transform_caps (GstBaseTransform *
trans, GstPadDirection direction, GstCaps * caps, GstCaps * filter);
-static void gst_base_transform_default_fixate (GstBaseTransform * trans,
- GstPadDirection direction, GstCaps * caps, GstCaps * othercaps);
+static GstCaps *gst_base_transform_default_fixate_caps (GstBaseTransform *
+ trans, GstPadDirection direction, GstCaps * caps, GstCaps * othercaps);
static GstCaps *gst_base_transform_query_caps (GstBaseTransform * trans,
GstPad * pad, GstCaps * filter);
static gboolean gst_base_transform_acceptcaps_default (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps);
static gboolean gst_base_transform_setcaps (GstBaseTransform * trans,
GstPad * pad, GstCaps * caps);
+static gboolean gst_base_transform_default_decide_allocation (GstBaseTransform
+ * trans, GstQuery * query);
+static gboolean gst_base_transform_default_propose_allocation (GstBaseTransform
+ * trans, GstQuery * decide_query, GstQuery * query);
static gboolean gst_base_transform_query (GstPad * pad, GstObject * parent,
GstQuery * query);
static gboolean gst_base_transform_default_query (GstBaseTransform * trans,
static void
gst_base_transform_finalize (GObject * object)
{
- GstBaseTransform *trans;
-
- trans = GST_BASE_TRANSFORM (object);
-
- g_mutex_free (trans->transform_lock);
-
G_OBJECT_CLASS (parent_class)->finalize (object);
}
gobject_class->finalize = gst_base_transform_finalize;
klass->passthrough_on_same_caps = FALSE;
+ klass->transform_ip_on_passthrough = TRUE;
klass->transform_caps =
GST_DEBUG_FUNCPTR (gst_base_transform_default_transform_caps);
- klass->fixate_caps = GST_DEBUG_FUNCPTR (gst_base_transform_default_fixate);
+ klass->fixate_caps =
+ GST_DEBUG_FUNCPTR (gst_base_transform_default_fixate_caps);
klass->accept_caps =
GST_DEBUG_FUNCPTR (gst_base_transform_acceptcaps_default);
klass->query = GST_DEBUG_FUNCPTR (gst_base_transform_default_query);
+ klass->decide_allocation =
+ GST_DEBUG_FUNCPTR (gst_base_transform_default_decide_allocation);
+ klass->propose_allocation =
+ GST_DEBUG_FUNCPTR (gst_base_transform_default_propose_allocation);
klass->transform_size =
GST_DEBUG_FUNCPTR (gst_base_transform_default_transform_size);
GstBaseTransformClass * bclass)
{
GstPadTemplate *pad_template;
+ GstBaseTransformPrivate *priv;
GST_DEBUG ("gst_base_transform_init");
- trans->priv = GST_BASE_TRANSFORM_GET_PRIVATE (trans);
+ priv = trans->priv = GST_BASE_TRANSFORM_GET_PRIVATE (trans);
pad_template =
gst_element_class_get_pad_template (GST_ELEMENT_CLASS (bclass), "sink");
GST_DEBUG_FUNCPTR (gst_base_transform_query));
gst_element_add_pad (GST_ELEMENT (trans), trans->srcpad);
- trans->transform_lock = g_mutex_new ();
- trans->priv->qos_enabled = DEFAULT_PROP_QOS;
- trans->cache_caps1 = NULL;
- trans->cache_caps2 = NULL;
- trans->priv->pad_mode = GST_PAD_MODE_NONE;
- trans->priv->gap_aware = FALSE;
+ priv->qos_enabled = DEFAULT_PROP_QOS;
+ priv->cache_caps1 = NULL;
+ priv->cache_caps2 = NULL;
+ priv->pad_mode = GST_PAD_MODE_NONE;
+ priv->gap_aware = FALSE;
- trans->passthrough = FALSE;
+ priv->passthrough = FALSE;
if (bclass->transform == NULL) {
/* If no transform function, always_in_place is TRUE */
GST_DEBUG_OBJECT (trans, "setting in_place TRUE");
- trans->always_in_place = TRUE;
+ priv->always_in_place = TRUE;
if (bclass->transform_ip == NULL) {
GST_DEBUG_OBJECT (trans, "setting passthrough TRUE");
- trans->passthrough = TRUE;
+ priv->passthrough = TRUE;
}
}
- trans->priv->processed = 0;
- trans->priv->dropped = 0;
+ priv->processed = 0;
+ priv->dropped = 0;
}
static GstCaps *
{
GstPad *otherpad;
GstCaps *peercaps, *caps, *temp, *peerfilter = NULL;
- GstCaps *templ;
+ GstCaps *templ, *otempl;
otherpad = (pad == trans->srcpad) ? trans->sinkpad : trans->srcpad;
+ templ = gst_pad_get_pad_template_caps (pad);
+ otempl = gst_pad_get_pad_template_caps (otherpad);
+
/* we can do what the peer can */
if (filter) {
-
GST_DEBUG_OBJECT (pad, "filter caps %" GST_PTR_FORMAT, filter);
/* filtered against our padtemplate on the other side */
- templ = gst_pad_get_pad_template_caps (pad);
GST_DEBUG_OBJECT (pad, "our template %" GST_PTR_FORMAT, templ);
temp = gst_caps_intersect_full (filter, templ, GST_CAPS_INTERSECT_FIRST);
GST_DEBUG_OBJECT (pad, "intersected %" GST_PTR_FORMAT, temp);
- gst_caps_unref (templ);
/* then see what we can transform this to */
peerfilter = gst_base_transform_transform_caps (trans,
gst_caps_unref (temp);
/* and filter against the template of this pad */
- templ = gst_pad_get_pad_template_caps (otherpad);
- GST_DEBUG_OBJECT (pad, "our template %" GST_PTR_FORMAT, templ);
+ GST_DEBUG_OBJECT (pad, "our template %" GST_PTR_FORMAT, otempl);
/* We keep the caps sorted like the returned caps */
temp =
- gst_caps_intersect_full (peerfilter, templ, GST_CAPS_INTERSECT_FIRST);
+ gst_caps_intersect_full (peerfilter, otempl, GST_CAPS_INTERSECT_FIRST);
GST_DEBUG_OBJECT (pad, "intersected %" GST_PTR_FORMAT, temp);
gst_caps_unref (peerfilter);
- gst_caps_unref (templ);
peerfilter = temp;
}
GST_DEBUG_OBJECT (pad, "peer caps %" GST_PTR_FORMAT, peercaps);
/* filtered against our padtemplate on the other side */
- templ = gst_pad_get_pad_template_caps (otherpad);
- GST_DEBUG_OBJECT (pad, "our template %" GST_PTR_FORMAT, templ);
- temp = gst_caps_intersect_full (peercaps, templ, GST_CAPS_INTERSECT_FIRST);
+ GST_DEBUG_OBJECT (pad, "our template %" GST_PTR_FORMAT, otempl);
+ temp = gst_caps_intersect_full (peercaps, otempl, GST_CAPS_INTERSECT_FIRST);
GST_DEBUG_OBJECT (pad, "intersected %" GST_PTR_FORMAT, temp);
- gst_caps_unref (templ);
} else {
- temp = gst_caps_copy (gst_pad_get_pad_template_caps (otherpad));
+ temp = gst_caps_ref (otempl);
}
/* then see what we can transform this to */
if (peercaps) {
/* and filter against the template of this pad */
- templ = gst_pad_get_pad_template_caps (pad);
GST_DEBUG_OBJECT (pad, "our template %" GST_PTR_FORMAT, templ);
/* We keep the caps sorted like the returned caps */
temp = gst_caps_intersect_full (caps, templ, GST_CAPS_INTERSECT_FIRST);
GST_DEBUG_OBJECT (pad, "intersected %" GST_PTR_FORMAT, temp);
gst_caps_unref (caps);
- gst_caps_unref (templ);
caps = temp;
/* Now try if we can put the untransformed downstream caps first */
temp = gst_caps_intersect_full (peercaps, caps, GST_CAPS_INTERSECT_FIRST);
if (!gst_caps_is_empty (temp)) {
- gst_caps_merge (temp, caps);
- caps = temp;
+ caps = gst_caps_merge (temp, caps);
} else {
gst_caps_unref (temp);
}
} else {
gst_caps_unref (caps);
/* no peer or the peer can do anything, our padtemplate is enough then */
- caps = gst_pad_get_pad_template_caps (pad);
-
if (filter) {
- GstCaps *temp;
-
- temp = gst_caps_intersect_full (filter, caps, GST_CAPS_INTERSECT_FIRST);
- gst_caps_unref (caps);
- caps = temp;
+ caps = gst_caps_intersect_full (filter, templ, GST_CAPS_INTERSECT_FIRST);
+ } else {
+ caps = gst_caps_ref (templ);
}
}
if (peercaps)
gst_caps_unref (peercaps);
+ gst_caps_unref (templ);
+ gst_caps_unref (otempl);
+
return caps;
}
+/* takes ownership of the pool, allocator and query */
static gboolean
gst_base_transform_set_allocation (GstBaseTransform * trans,
- GstBufferPool * pool, const GstAllocator * allocator, guint prefix,
- guint alignment)
+ GstBufferPool * pool, GstAllocator * allocator,
+ GstAllocationParams * params, GstQuery * query)
{
+ GstAllocator *oldalloc;
GstBufferPool *oldpool;
+ GstQuery *oldquery;
GstBaseTransformPrivate *priv = trans->priv;
- /* activate */
- if (pool) {
- GST_DEBUG_OBJECT (trans, "setting pool %p active", pool);
- if (!gst_buffer_pool_set_active (pool, TRUE))
- goto activate_failed;
- }
-
GST_OBJECT_LOCK (trans);
oldpool = priv->pool;
priv->pool = pool;
+ priv->pool_active = FALSE;
+
+ oldalloc = priv->allocator;
priv->allocator = allocator;
- priv->prefix = prefix;
- priv->alignment = alignment;
+
+ oldquery = priv->query;
+ priv->query = query;
+
+ if (params)
+ priv->params = *params;
+ else
+ gst_allocation_params_init (&priv->params);
GST_OBJECT_UNLOCK (trans);
if (oldpool) {
gst_buffer_pool_set_active (oldpool, FALSE);
gst_object_unref (oldpool);
}
+ if (oldalloc) {
+ gst_allocator_unref (oldalloc);
+ }
+ if (oldquery) {
+ gst_query_unref (oldquery);
+ }
return TRUE;
- /* ERRORS */
-activate_failed:
- {
- GST_ERROR_OBJECT (trans, "failed to activate bufferpool.");
- return FALSE;
+}
+
+static gboolean
+gst_base_transform_default_decide_allocation (GstBaseTransform * trans,
+ GstQuery * query)
+{
+ guint i, n_metas;
+ GstBaseTransformClass *klass;
+
+ klass = GST_BASE_TRANSFORM_GET_CLASS (trans);
+
+ n_metas = gst_query_get_n_allocation_metas (query);
+ for (i = 0; i < n_metas; i++) {
+ GType api;
+ gboolean remove;
+
+ api = gst_query_parse_nth_allocation_meta (query, i);
+
+ /* by default we remove all metadata, subclasses should implement a
+ * filter_meta function */
+ if (gst_meta_api_type_has_tag (api, GST_META_TAG_MEMORY)) {
+ /* remove all memory dependent metadata because we are going to have to
+ * allocate different memory for input and output. */
+ GST_LOG_OBJECT (trans, "removing memory specific metadata %s",
+ g_type_name (api));
+ remove = TRUE;
+ } else if (G_LIKELY (klass->filter_meta)) {
+ /* remove if the subclass said so */
+ remove = !klass->filter_meta (trans, query, api);
+ GST_LOG_OBJECT (trans, "filter_meta for api %s returned: %s",
+ g_type_name (api), (remove ? "remove" : "keep"));
+ } else {
+ GST_LOG_OBJECT (trans, "removing metadata %s", g_type_name (api));
+ remove = TRUE;
+ }
+
+ if (remove) {
+ gst_query_remove_nth_allocation_meta (query, i);
+ i--;
+ n_metas--;
+ }
}
+ return TRUE;
}
static gboolean
{
GstQuery *query;
gboolean result = TRUE;
- GstBufferPool *pool = NULL, *oldpool;
- guint size, min, max, prefix, alignment;
+ GstBufferPool *pool;
+ guint size, min, max;
GstBaseTransformClass *klass;
- const GstAllocator *allocator = NULL;
+ GstBaseTransformPrivate *priv = trans->priv;
+ GstAllocator *allocator;
+ GstAllocationParams params;
/* there are these possibilities:
*
* 2) we need to do a transform, we need to get a bufferpool from downstream
* and configure it. When upstream does the ALLOCATION query, the
* propose_allocation vmethod will be called and we will configure the
- * upstream allocator with our porposed values then.
+ * upstream allocator with our proposed values then.
*/
-
- /* clear old pool */
- oldpool = trans->priv->pool;
- if (oldpool) {
- GST_DEBUG_OBJECT (trans, "unreffing old pool");
- gst_buffer_pool_set_active (oldpool, FALSE);
- gst_object_unref (oldpool);
- trans->priv->pool = oldpool = NULL;
- }
-
- if (trans->passthrough || trans->always_in_place) {
+ if (priv->passthrough || priv->always_in_place) {
/* we are in passthrough, the input buffer is never copied and always passed
* along. We never allocate an output buffer on the srcpad. What we do is
* let the upstream element decide if it wants to use a bufferpool and
* then we will proxy the downstream pool */
GST_DEBUG_OBJECT (trans, "we're passthough, delay bufferpool");
+ gst_base_transform_set_allocation (trans, NULL, NULL, NULL, NULL);
return TRUE;
}
GST_DEBUG_OBJECT (trans, "calling decide_allocation");
if (G_LIKELY (klass->decide_allocation))
- result = klass->decide_allocation (trans, query);
-
- /* we got configuration from our peer, parse them */
- gst_query_parse_allocation_params (query, &size, &min, &max, &prefix,
- &alignment, &pool);
+ if ((result = klass->decide_allocation (trans, query)) == FALSE)
+ goto no_decide_allocation;
+
+ /* we got configuration from our peer or the decide_allocation method,
+ * parse them */
+ if (gst_query_get_n_allocation_params (query) > 0) {
+ /* try the allocator */
+ gst_query_parse_nth_allocation_param (query, 0, &allocator, ¶ms);
+ } else {
+ allocator = NULL;
+ gst_allocation_params_init (¶ms);
+ }
- if (size == 0) {
- const gchar *mem = NULL;
+ if (gst_query_get_n_allocation_pools (query) > 0) {
+ gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);
- /* no size, we have variable size buffers */
- if (gst_query_get_n_allocation_memories (query) > 0) {
- mem = gst_query_parse_nth_allocation_memory (query, 0);
+ if (pool == NULL) {
+ /* no pool, just parameters, we can make our own */
+ GST_DEBUG_OBJECT (trans, "no pool, making new pool");
+ pool = gst_buffer_pool_new ();
}
- allocator = gst_allocator_find (mem);
- GST_DEBUG_OBJECT (trans, "no size, using allocator %s", GST_STR_NULL (mem));
- } else if (pool == NULL) {
- GstStructure *config;
+ } else {
+ pool = NULL;
+ size = min = max = 0;
+ }
- /* we did not get a pool, make one ourselves then */
- pool = gst_buffer_pool_new ();
+ /* now configure */
+ if (pool) {
+ GstStructure *config;
- GST_DEBUG_OBJECT (trans, "no pool, making one");
config = gst_buffer_pool_get_config (pool);
- gst_buffer_pool_config_set (config, outcaps, size, min, max, prefix,
- alignment);
+ gst_buffer_pool_config_set_params (config, outcaps, size, min, max);
+ gst_buffer_pool_config_set_allocator (config, allocator, ¶ms);
gst_buffer_pool_set_config (pool, config);
}
-
- gst_query_unref (query);
-
/* and store */
result =
- gst_base_transform_set_allocation (trans, pool, allocator, prefix,
- alignment);
+ gst_base_transform_set_allocation (trans, pool, allocator, ¶ms,
+ query);
return result;
+
+ /* Errors */
+no_decide_allocation:
+ {
+ GST_WARNING_OBJECT (trans, "Subclass failed to decide allocation");
+ gst_query_unref (query);
+
+ return result;
+ }
}
/* function triggered when the in and out caps are negotiated and need
{
gboolean ret = TRUE;
GstBaseTransformClass *klass;
+ GstBaseTransformPrivate *priv = trans->priv;
klass = GST_BASE_TRANSFORM_GET_CLASS (trans);
GST_DEBUG_OBJECT (trans, "out caps: %" GST_PTR_FORMAT, out);
/* clear the cache */
- gst_caps_replace (&trans->cache_caps1, NULL);
- gst_caps_replace (&trans->cache_caps2, NULL);
+ gst_caps_replace (&priv->cache_caps1, NULL);
+ gst_caps_replace (&priv->cache_caps2, NULL);
/* figure out same caps state */
- trans->have_same_caps = gst_caps_is_equal (in, out);
- GST_DEBUG_OBJECT (trans, "have_same_caps: %d", trans->have_same_caps);
-
- /* If we've a transform_ip method and same input/output caps, set in_place
- * by default. If for some reason the sub-class prefers using a transform
- * function, it can clear the in place flag in the set_caps */
- gst_base_transform_set_in_place (trans,
- klass->transform_ip && trans->have_same_caps);
+ priv->have_same_caps = gst_caps_is_equal (in, out);
+ GST_DEBUG_OBJECT (trans, "have_same_caps: %d", priv->have_same_caps);
/* Set the passthrough if the class wants passthrough_on_same_caps
* and we have the same caps on each pad */
if (klass->passthrough_on_same_caps)
- gst_base_transform_set_passthrough (trans, trans->have_same_caps);
+ gst_base_transform_set_passthrough (trans, priv->have_same_caps);
/* now configure the element with the caps */
if (klass->set_caps) {
ret = klass->set_caps (trans, in, out);
}
- trans->negotiated = ret;
-
return ret;
}
-static void
-gst_base_transform_default_fixate (GstBaseTransform * trans,
+static GstCaps *
+gst_base_transform_default_fixate_caps (GstBaseTransform * trans,
GstPadDirection direction, GstCaps * caps, GstCaps * othercaps)
{
- GST_DEBUG_OBJECT (trans, "using default caps fixate function");
- gst_caps_fixate (othercaps);
+ othercaps = gst_caps_fixate (othercaps);
+ GST_DEBUG_OBJECT (trans, "fixated to %" GST_PTR_FORMAT, othercaps);
+
+ return othercaps;
}
/* given a fixed @caps on @pad, create the best possible caps for the
gst_caps_unref (othercaps);
othercaps = intersection;
} else {
+ gst_caps_unref (othercaps);
othercaps = peercaps;
}
/* second attempt at fixation, call the fixate vmethod */
/* caps could be fixed but the subclass may want to add fields */
if (klass->fixate_caps) {
- othercaps = gst_caps_make_writable (othercaps);
-
- GST_DEBUG_OBJECT (trans, "calling faxate_caps for %" GST_PTR_FORMAT
+ GST_DEBUG_OBJECT (trans, "calling fixate_caps for %" GST_PTR_FORMAT
" using caps %" GST_PTR_FORMAT " on pad %s:%s", othercaps, caps,
GST_DEBUG_PAD_NAME (otherpad));
/* note that we pass the complete array of structures to the fixate
* function, it needs to truncate itself */
- klass->fixate_caps (trans, GST_PAD_DIRECTION (pad), caps, othercaps);
+ othercaps =
+ klass->fixate_caps (trans, GST_PAD_DIRECTION (pad), caps, othercaps);
is_fixed = gst_caps_is_fixed (othercaps);
GST_DEBUG_OBJECT (trans, "after fixating %" GST_PTR_FORMAT, othercaps);
}
{
GstCaps *allowed;
- GST_DEBUG_OBJECT (trans, "non fixed accept caps %" GST_PTR_FORMAT, caps);
+ GST_DEBUG_OBJECT (trans, "accept caps %" GST_PTR_FORMAT, caps);
/* get all the formats we can handle on this pad */
if (direction == GST_PAD_SRC)
}
}
-/* called when new caps arrive on the sink or source pad,
+/* called when new caps arrive on the sink pad,
* We try to find the best caps for the other side using our _find_transform()
* function. If there are caps, we configure the transform for this new
* transformation.
- *
- * FIXME, this function is currently commutative but this should not really be
- * because we never set caps starting from the srcpad.
*/
static gboolean
gst_base_transform_setcaps (GstBaseTransform * trans, GstPad * pad,
- GstCaps * caps)
+ GstCaps * incaps)
{
- GstPad *otherpad, *otherpeer;
- GstCaps *othercaps = NULL;
+ GstBaseTransformPrivate *priv = trans->priv;
+ GstCaps *outcaps;
gboolean ret = TRUE;
- GstCaps *incaps, *outcaps;
- otherpad = (pad == trans->srcpad) ? trans->sinkpad : trans->srcpad;
- otherpeer = gst_pad_get_peer (otherpad);
-
- GST_DEBUG_OBJECT (pad, "have new caps %p %" GST_PTR_FORMAT, caps, caps);
+ GST_DEBUG_OBJECT (pad, "have new caps %p %" GST_PTR_FORMAT, incaps, incaps);
/* find best possible caps for the other pad */
- othercaps = gst_base_transform_find_transform (trans, pad, caps);
- if (!othercaps || gst_caps_is_empty (othercaps))
+ outcaps = gst_base_transform_find_transform (trans, pad, incaps);
+ if (!outcaps || gst_caps_is_empty (outcaps))
goto no_transform_possible;
/* configure the element now */
- /* make sure in and out caps are correct */
- if (pad == trans->sinkpad) {
- incaps = caps;
- outcaps = othercaps;
- } else {
- incaps = othercaps;
- outcaps = caps;
- }
/* if we have the same caps, we can optimize and reuse the input caps */
if (gst_caps_is_equal (incaps, outcaps)) {
GST_INFO_OBJECT (trans, "reuse caps");
- gst_caps_unref (othercaps);
- outcaps = othercaps = gst_caps_ref (incaps);
+ gst_caps_unref (outcaps);
+ outcaps = gst_caps_ref (incaps);
}
/* call configure now */
trans->priv->reconfigure = FALSE;
GST_OBJECT_UNLOCK (trans->sinkpad);
- /* we know this will work, we implement the setcaps */
- gst_pad_push_event (otherpad, gst_event_new_caps (othercaps));
-
- if (pad == trans->srcpad && trans->priv->pad_mode == GST_PAD_MODE_PULL) {
- /* FIXME hm? */
- ret &= gst_pad_push_event (otherpeer, gst_event_new_caps (othercaps));
- if (!ret) {
- GST_INFO_OBJECT (trans, "otherpeer setcaps(%" GST_PTR_FORMAT ") failed",
- othercaps);
- }
- }
+ /* let downstream know about our caps */
+ gst_pad_push_event (trans->srcpad, gst_event_new_caps (outcaps));
if (ret) {
/* try to get a pool when needed */
- ret = gst_base_transform_do_bufferpool (trans, othercaps);
+ ret = gst_base_transform_do_bufferpool (trans, outcaps);
}
done:
- if (otherpeer)
- gst_object_unref (otherpeer);
- if (othercaps)
- gst_caps_unref (othercaps);
+ if (outcaps)
+ gst_caps_unref (outcaps);
- trans->negotiated = ret;
+ GST_OBJECT_LOCK (trans);
+ priv->negotiated = ret;
+ GST_OBJECT_UNLOCK (trans);
return ret;
{
GST_WARNING_OBJECT (trans,
"transform could not transform %" GST_PTR_FORMAT
- " in anything we support", caps);
+ " in anything we support", incaps);
ret = FALSE;
goto done;
}
failed_configure:
{
- GST_WARNING_OBJECT (trans, "FAILED to configure caps %" GST_PTR_FORMAT
- " to accept %" GST_PTR_FORMAT, otherpad, othercaps);
+ GST_WARNING_OBJECT (trans, "FAILED to configure incaps %" GST_PTR_FORMAT
+ " and outcaps %" GST_PTR_FORMAT, incaps, outcaps);
ret = FALSE;
goto done;
}
}
static gboolean
+gst_base_transform_default_propose_allocation (GstBaseTransform * trans,
+ GstQuery * decide_query, GstQuery * query)
+{
+ gboolean ret;
+
+ if (decide_query == NULL) {
+ GST_DEBUG_OBJECT (trans, "doing passthrough query");
+ ret = gst_pad_peer_query (trans->srcpad, query);
+ } else {
+ guint i, n_metas;
+ /* non-passthrough, copy all metadata, decide_query does not contain the
+ * metadata anymore that depends on the buffer memory */
+ n_metas = gst_query_get_n_allocation_metas (decide_query);
+ for (i = 0; i < n_metas; i++) {
+ GType api;
+
+ api = gst_query_parse_nth_allocation_meta (decide_query, i);
+ GST_DEBUG_OBJECT (trans, "proposing metadata %s", g_type_name (api));
+ gst_query_add_allocation_meta (query, api);
+ }
+ ret = TRUE;
+ }
+ return ret;
+}
+
+static gboolean
gst_base_transform_default_query (GstBaseTransform * trans,
GstPadDirection direction, GstQuery * query)
{
gboolean ret = FALSE;
GstPad *pad, *otherpad;
GstBaseTransformClass *klass;
+ GstBaseTransformPrivate *priv = trans->priv;
if (direction == GST_PAD_SRC) {
pad = trans->srcpad;
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_ALLOCATION:
{
- gboolean passthrough;
+ GstQuery *decide_query = NULL;
+ gboolean negotiated;
/* can only be done on the sinkpad */
if (direction != GST_PAD_SINK)
goto done;
- GST_BASE_TRANSFORM_LOCK (trans);
- passthrough = trans->passthrough || trans->always_in_place;
- GST_BASE_TRANSFORM_UNLOCK (trans);
-
- if (passthrough) {
- GST_DEBUG_OBJECT (trans, "doing passthrough query");
- ret = gst_pad_peer_query (otherpad, query);
- } else {
- GST_DEBUG_OBJECT (trans, "propose allocation values");
- /* pass the query to the propose_allocation vmethod if any */
- if (G_LIKELY (klass->propose_allocation))
- ret = klass->propose_allocation (trans, query);
- else
- ret = FALSE;
+ GST_OBJECT_LOCK (trans);
+ if (G_UNLIKELY (!(negotiated = priv->negotiated))) {
+ GST_DEBUG_OBJECT (trans,
+ "not negotiated yet, can't answer ALLOCATION query");
+ GST_OBJECT_UNLOCK (trans);
+ goto done;
}
+ if ((decide_query = trans->priv->query))
+ gst_query_ref (decide_query);
+ GST_OBJECT_UNLOCK (trans);
+
+ GST_DEBUG_OBJECT (trans,
+ "calling propose allocation with query %" GST_PTR_FORMAT,
+ decide_query);
+
+ /* pass the query to the propose_allocation vmethod if any */
+ if (G_LIKELY (klass->propose_allocation))
+ ret = klass->propose_allocation (trans, decide_query, query);
+ else
+ ret = FALSE;
+
+ if (decide_query)
+ gst_query_unref (decide_query);
+
GST_DEBUG_OBJECT (trans, "ALLOCATION ret %d, %" GST_PTR_FORMAT, ret,
query);
break;
GstBaseTransformPrivate *priv;
GstFlowReturn ret = GST_FLOW_OK;
GstBaseTransformClass *bclass;
+ GstCaps *incaps, *outcaps;
+ gsize insize, outsize;
+ gboolean res;
priv = trans->priv;
bclass = GST_BASE_TRANSFORM_GET_CLASS (trans);
/* figure out how to allocate an output buffer */
- if (trans->passthrough) {
+ if (priv->passthrough) {
/* passthrough, we will not modify the incomming buffer so we can just
* reuse it */
GST_DEBUG_OBJECT (trans, "passthrough: reusing input buffer");
*outbuf = inbuf;
- } else {
- /* we can't reuse the input buffer */
- if (priv->pool) {
- GST_DEBUG_OBJECT (trans, "using pool alloc");
- ret = gst_buffer_pool_acquire_buffer (priv->pool, outbuf, NULL);
- } else {
- gsize insize, outsize;
- gboolean res;
+ goto done;
+ }
- /* no pool, we need to figure out the size of the output buffer first */
- insize = gst_buffer_get_size (inbuf);
+ /* we can't reuse the input buffer */
+ if (priv->pool) {
+ if (!priv->pool_active) {
+ GST_DEBUG_OBJECT (trans, "setting pool %p active", priv->pool);
+ if (!gst_buffer_pool_set_active (priv->pool, TRUE))
+ goto activate_failed;
+ priv->pool_active = TRUE;
+ }
+ GST_DEBUG_OBJECT (trans, "using pool alloc");
+ ret = gst_buffer_pool_acquire_buffer (priv->pool, outbuf, NULL);
+ goto copy_meta;
+ }
- if (trans->passthrough) {
- GST_DEBUG_OBJECT (trans, "doing passthrough alloc");
- /* passthrough, the output size is the same as the input size. */
- outsize = insize;
- } else {
- gboolean want_in_place = (bclass->transform_ip != NULL)
- && trans->always_in_place;
+ /* no pool, we need to figure out the size of the output buffer first */
+ if ((bclass->transform_ip != NULL) && priv->always_in_place) {
+ /* we want to do an in-place alloc */
+ if (gst_buffer_is_writable (inbuf)) {
+ GST_DEBUG_OBJECT (trans, "inplace reuse writable input buffer");
+ *outbuf = inbuf;
+ } else {
+ GST_DEBUG_OBJECT (trans, "making writable buffer copy");
+ /* we make a copy of the input buffer */
+ *outbuf = gst_buffer_copy (inbuf);
+ }
+ goto done;
+ }
- if (want_in_place) {
- GST_DEBUG_OBJECT (trans, "doing inplace alloc");
- /* we alloc a buffer of the same size as the input */
- outsize = insize;
- } else {
- GstCaps *incaps, *outcaps;
+ /* else use the transform function to get the size */
+ incaps = gst_pad_get_current_caps (trans->sinkpad);
+ outcaps = gst_pad_get_current_caps (trans->srcpad);
- /* else use the transform function to get the size */
- incaps = gst_pad_get_current_caps (trans->sinkpad);
- outcaps = gst_pad_get_current_caps (trans->srcpad);
+ GST_DEBUG_OBJECT (trans, "getting output size for alloc");
+ /* copy transform, figure out the output size */
+ insize = gst_buffer_get_size (inbuf);
+ res = gst_base_transform_transform_size (trans,
+ GST_PAD_SINK, incaps, insize, outcaps, &outsize);
- GST_DEBUG_OBJECT (trans, "getting output size for alloc");
- /* copy transform, figure out the output size */
- res = gst_base_transform_transform_size (trans,
- GST_PAD_SINK, incaps, insize, outcaps, &outsize);
+ gst_caps_unref (incaps);
+ gst_caps_unref (outcaps);
- gst_caps_unref (incaps);
- gst_caps_unref (outcaps);
+ if (!res)
+ goto unknown_size;
- if (!res)
- goto unknown_size;
- }
- }
- GST_DEBUG_OBJECT (trans, "doing alloc of size %" G_GSIZE_FORMAT, outsize);
- *outbuf =
- gst_buffer_new_allocate (priv->allocator, outsize, priv->alignment);
+ GST_DEBUG_OBJECT (trans, "doing alloc of size %" G_GSIZE_FORMAT, outsize);
+ *outbuf = gst_buffer_new_allocate (priv->allocator, outsize, &priv->params);
+
+copy_meta:
+ /* copy the metadata */
+ if (bclass->copy_metadata)
+ if (!bclass->copy_metadata (trans, inbuf, *outbuf)) {
+ /* something failed, post a warning */
+ GST_ELEMENT_WARNING (trans, STREAM, NOT_IMPLEMENTED,
+ ("could not copy metadata"), (NULL));
}
- }
+
+done:
return ret;
/* ERRORS */
+ /* ERRORS */
+activate_failed:
+ {
+ GST_ELEMENT_ERROR (trans, RESOURCE, SETTINGS,
+ ("failed to activate bufferpool"), ("failed to activate bufferpool"));
+ return GST_FLOW_ERROR;
+ }
unknown_size:
{
GST_ERROR_OBJECT (trans, "unknown output size");
}
}
+typedef struct
+{
+ GstBaseTransform *trans;
+ GstBuffer *outbuf;
+} CopyMetaData;
+
+static gboolean
+foreach_metadata (GstBuffer * inbuf, GstMeta ** meta, gpointer user_data)
+{
+ CopyMetaData *data = user_data;
+ GstBaseTransform *trans = data->trans;
+ GstBaseTransformClass *klass;
+ const GstMetaInfo *info = (*meta)->info;
+ GstBuffer *outbuf = data->outbuf;
+ gboolean do_copy;
+
+ klass = GST_BASE_TRANSFORM_GET_CLASS (trans);
+
+ if (GST_META_FLAG_IS_SET (*meta, GST_META_FLAG_POOLED)) {
+ /* never call the transform_meta with pool private metadata */
+ GST_DEBUG_OBJECT (trans, "not copying pooled metadata %s",
+ g_type_name (info->api));
+ do_copy = FALSE;
+ } else if (gst_meta_api_type_has_tag (info->api, GST_META_TAG_MEMORY)) {
+ /* never call the transform_meta with memory specific metadata */
+ GST_DEBUG_OBJECT (trans, "not copying memory specific metadata %s",
+ g_type_name (info->api));
+ do_copy = FALSE;
+ } else if (klass->transform_meta) {
+ do_copy = klass->transform_meta (trans, outbuf, *meta, inbuf);
+ GST_DEBUG_OBJECT (trans, "transformed metadata %s: copy: %d",
+ g_type_name (info->api), do_copy);
+ } else {
+ do_copy = FALSE;
+ GST_DEBUG_OBJECT (trans, "not copying metadata %s",
+ g_type_name (info->api));
+ }
+
+ /* we only copy metadata when the subclass implemented a transform_meta
+ * function and when it returns TRUE */
+ if (do_copy) {
+ GstMetaTransformCopy copy_data = { FALSE, 0, -1 };
+ GST_DEBUG_OBJECT (trans, "copy metadata %s", g_type_name (info->api));
+ /* simply copy then */
+ info->transform_func (outbuf, *meta, inbuf,
+ _gst_meta_transform_copy, ©_data);
+ }
+ return TRUE;
+}
+
static gboolean
default_copy_metadata (GstBaseTransform * trans,
GstBuffer * inbuf, GstBuffer * outbuf)
{
GstBaseTransformPrivate *priv = trans->priv;
+ CopyMetaData data;
/* now copy the metadata */
GST_DEBUG_OBJECT (trans, "copying metadata");
if (!priv->gap_aware)
GST_BUFFER_FLAG_UNSET (outbuf, GST_BUFFER_FLAG_GAP);
+
+ data.trans = trans;
+ data.outbuf = outbuf;
+
+ gst_buffer_foreach_meta (inbuf, foreach_metadata, &data);
+
return TRUE;
/* ERRORS */
{
gboolean res = FALSE;
GstBaseTransformClass *bclass;
+ GstBaseTransformPrivate *priv = trans->priv;
/* see if we have the result cached */
- if (trans->cache_caps1 == caps) {
- *size = trans->cache_caps1_size;
+ if (priv->cache_caps1 == caps) {
+ *size = priv->cache_caps1_size;
GST_DEBUG_OBJECT (trans,
"returned %" G_GSIZE_FORMAT " from first cache", *size);
return TRUE;
}
- if (trans->cache_caps2 == caps) {
- *size = trans->cache_caps2_size;
+ if (priv->cache_caps2 == caps) {
+ *size = priv->cache_caps2_size;
GST_DEBUG_OBJECT (trans,
"returned %" G_GSIZE_FORMAT " from second cached", *size);
return TRUE;
if (res) {
/* and cache the values */
- if (trans->cache_caps1 == NULL) {
- gst_caps_replace (&trans->cache_caps1, caps);
- trans->cache_caps1_size = *size;
+ if (priv->cache_caps1 == NULL) {
+ gst_caps_replace (&priv->cache_caps1, caps);
+ priv->cache_caps1_size = *size;
GST_DEBUG_OBJECT (trans,
"caching %" G_GSIZE_FORMAT " in first cache", *size);
- } else if (trans->cache_caps2 == NULL) {
- gst_caps_replace (&trans->cache_caps2, caps);
- trans->cache_caps2_size = *size;
+ } else if (priv->cache_caps2 == NULL) {
+ gst_caps_replace (&priv->cache_caps2, caps);
+ priv->cache_caps2_size = *size;
GST_DEBUG_OBJECT (trans,
"caching %" G_GSIZE_FORMAT " in second cache", *size);
} else {
gst_base_transform_sink_eventfunc (GstBaseTransform * trans, GstEvent * event)
{
gboolean ret = TRUE, forward = TRUE;
+ GstBaseTransformPrivate *priv = trans->priv;
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_FLUSH_START:
case GST_EVENT_FLUSH_STOP:
GST_OBJECT_LOCK (trans);
/* reset QoS parameters */
- trans->priv->proportion = 1.0;
- trans->priv->earliest_time = -1;
- trans->priv->discont = FALSE;
- trans->priv->processed = 0;
- trans->priv->dropped = 0;
+ priv->proportion = 1.0;
+ priv->earliest_time = -1;
+ priv->discont = FALSE;
+ priv->processed = 0;
+ priv->dropped = 0;
GST_OBJECT_UNLOCK (trans);
/* we need new segment info after the flush. */
trans->have_segment = FALSE;
gst_segment_init (&trans->segment, GST_FORMAT_UNDEFINED);
- trans->priv->position_out = GST_CLOCK_TIME_NONE;
+ priv->position_out = GST_CLOCK_TIME_NONE;
break;
case GST_EVENT_EOS:
break;
GstBuffer ** outbuf)
{
GstBaseTransformClass *bclass;
+ GstBaseTransformPrivate *priv = trans->priv;
GstFlowReturn ret = GST_FLOW_OK;
gboolean want_in_place;
GstClockTime running_time;
GST_OBJECT_LOCK (trans->sinkpad);
reconfigure = GST_PAD_NEEDS_RECONFIGURE (trans->srcpad)
- || trans->priv->reconfigure;
+ || priv->reconfigure;
GST_OBJECT_FLAG_UNSET (trans->srcpad, GST_PAD_FLAG_NEED_RECONFIGURE);
- trans->priv->reconfigure = FALSE;
+ priv->reconfigure = FALSE;
GST_OBJECT_UNLOCK (trans->sinkpad);
if (G_UNLIKELY (reconfigure)) {
if (incaps == NULL)
goto no_reconfigure;
- /* if we need to reconfigure we pretend a buffer with new caps arrived. This
- * will reconfigure the transform with the new output format. We can only
- * do this if the buffer actually has caps. */
+ /* if we need to reconfigure we pretend new caps arrived. This
+ * will reconfigure the transform with the new output format. */
if (!gst_base_transform_setcaps (trans, trans->sinkpad, incaps)) {
gst_caps_unref (incaps);
goto not_negotiated;
* or if the class doesn't implement a set_caps function (in which case it doesn't
* care about caps)
*/
- if (!trans->negotiated && !trans->passthrough && (bclass->set_caps != NULL))
+ if (!priv->negotiated && !priv->passthrough && (bclass->set_caps != NULL))
goto not_negotiated;
/* Set discont flag so we can mark the outgoing buffer */
if (GST_BUFFER_IS_DISCONT (inbuf)) {
GST_DEBUG_OBJECT (trans, "got DISCONT buffer %p", inbuf);
- trans->priv->discont = TRUE;
+ priv->discont = TRUE;
}
/* can only do QoS if the segment is in TIME */
/* lock for getting the QoS parameters that are set (in a different thread)
* with the QOS events */
GST_OBJECT_LOCK (trans);
- earliest_time = trans->priv->earliest_time;
- proportion = trans->priv->proportion;
+ earliest_time = priv->earliest_time;
+ proportion = priv->proportion;
/* check for QoS, don't perform conversion for buffers
* that are known to be late. */
- need_skip = trans->priv->qos_enabled &&
+ need_skip = priv->qos_enabled &&
earliest_time != -1 && running_time <= earliest_time;
GST_OBJECT_UNLOCK (trans);
GST_TIME_FORMAT " <= %" GST_TIME_FORMAT,
GST_TIME_ARGS (running_time), GST_TIME_ARGS (earliest_time));
- trans->priv->dropped++;
+ priv->dropped++;
duration = GST_BUFFER_DURATION (inbuf);
stream_time =
stream_time, timestamp, duration);
gst_message_set_qos_values (qos_msg, jitter, proportion, 1000000);
gst_message_set_qos_stats (qos_msg, GST_FORMAT_BUFFERS,
- trans->priv->processed, trans->priv->dropped);
+ priv->processed, priv->dropped);
gst_element_post_message (GST_ELEMENT_CAST (trans), qos_msg);
/* mark discont for next buffer */
- trans->priv->discont = TRUE;
+ priv->discont = TRUE;
goto skip;
}
}
if (ret != GST_FLOW_OK || *outbuf == NULL)
goto no_buffer;
- if (inbuf == *outbuf) {
- GST_DEBUG_OBJECT (trans, "reusing input buffer");
- } else if (trans->passthrough) {
- /* we are asked to perform a passthrough transform but the input and
- * output buffers are different. We have to discard the output buffer and
- * reuse the input buffer. This is rather weird, it means that the prepare
- * output buffer does something wrong. */
- GST_WARNING_OBJECT (trans, "passthrough but different buffers, check the "
- "prepare_output_buffer implementation");
- gst_buffer_unref (*outbuf);
- *outbuf = inbuf;
- } else {
- /* copy the metadata */
- if (bclass->copy_metadata)
- if (!bclass->copy_metadata (trans, inbuf, *outbuf)) {
- /* something failed, post a warning */
- GST_ELEMENT_WARNING (trans, STREAM, NOT_IMPLEMENTED,
- ("could not copy metadata"), (NULL));
- }
- }
GST_DEBUG_OBJECT (trans, "using allocated buffer in %p, out %p", inbuf,
*outbuf);
/* now perform the needed transform */
- if (trans->passthrough) {
+ if (priv->passthrough) {
/* In passthrough mode, give transform_ip a look at the
* buffer, without making it writable, or just push the
* data through */
- if (bclass->transform_ip) {
- GST_DEBUG_OBJECT (trans, "doing passthrough transform");
+ if (bclass->transform_ip_on_passthrough && bclass->transform_ip) {
+ GST_DEBUG_OBJECT (trans, "doing passthrough transform_ip");
ret = bclass->transform_ip (trans, *outbuf);
} else {
GST_DEBUG_OBJECT (trans, "element is in passthrough");
}
} else {
- want_in_place = (bclass->transform_ip != NULL) && trans->always_in_place;
+ want_in_place = (bclass->transform_ip != NULL) && priv->always_in_place;
if (want_in_place) {
GST_DEBUG_OBJECT (trans, "doing inplace transform");
-
- if (inbuf != *outbuf) {
- guint8 *indata, *outdata;
- gsize insize, outsize;
-
- /* Different buffer. The data can still be the same when we are dealing
- * with subbuffers of the same buffer. Note that because of the FIXME in
- * prepare_output_buffer() we have decreased the refcounts of inbuf and
- * outbuf to keep them writable */
- indata = gst_buffer_map (inbuf, &insize, NULL, GST_MAP_READ);
- outdata = gst_buffer_map (*outbuf, &outsize, NULL, GST_MAP_WRITE);
-
- if (indata != outdata)
- memcpy (outdata, indata, insize);
-
- gst_buffer_unmap (inbuf, indata, insize);
- gst_buffer_unmap (*outbuf, outdata, outsize);
- }
ret = bclass->transform_ip (trans, *outbuf);
} else {
GST_DEBUG_OBJECT (trans, "doing non-inplace transform");
{
gst_buffer_unref (inbuf);
*outbuf = NULL;
- GST_ELEMENT_ERROR (trans, STREAM, NOT_IMPLEMENTED,
+ GST_ELEMENT_ERROR (trans, STREAM, FORMAT,
("not negotiated"), ("not negotiated"));
return GST_FLOW_NOT_NEGOTIATED;
}
GstBaseTransform *trans;
GstBaseTransformClass *klass;
GstFlowReturn ret;
- GstBuffer *inbuf;
+ GstBuffer *inbuf = NULL;
trans = GST_BASE_TRANSFORM (parent);
if (klass->before_transform)
klass->before_transform (trans, inbuf);
- GST_BASE_TRANSFORM_LOCK (trans);
ret = gst_base_transform_handle_buffer (trans, inbuf, buffer);
- GST_BASE_TRANSFORM_UNLOCK (trans);
done:
return ret;
{
GstBaseTransform *trans;
GstBaseTransformClass *klass;
+ GstBaseTransformPrivate *priv;
GstFlowReturn ret;
GstClockTime position = GST_CLOCK_TIME_NONE;
GstClockTime timestamp, duration;
GstBuffer *outbuf = NULL;
trans = GST_BASE_TRANSFORM (parent);
+ priv = trans->priv;
timestamp = GST_BUFFER_TIMESTAMP (buffer);
duration = GST_BUFFER_DURATION (buffer);
klass->before_transform (trans, buffer);
/* protect transform method and concurrent buffer alloc */
- GST_BASE_TRANSFORM_LOCK (trans);
ret = gst_base_transform_handle_buffer (trans, buffer, &outbuf);
- GST_BASE_TRANSFORM_UNLOCK (trans);
/* outbuf can be NULL, this means a dropped buffer, if we have a buffer but
* GST_BASE_TRANSFORM_FLOW_DROPPED we will not push either. */
}
if (position_out != GST_CLOCK_TIME_NONE
&& trans->segment.format == GST_FORMAT_TIME)
- trans->priv->position_out = position_out;
+ priv->position_out = position_out;
/* apply DISCONT flag if the buffer is not yet marked as such */
if (trans->priv->discont) {
outbuf = gst_buffer_make_writable (outbuf);
GST_BUFFER_FLAG_SET (outbuf, GST_BUFFER_FLAG_DISCONT);
}
- trans->priv->discont = FALSE;
+ priv->discont = FALSE;
}
- trans->priv->processed++;
+ priv->processed++;
ret = gst_pad_push (trans->srcpad, outbuf);
} else {
/* convert internal flow to OK and mark discont for the next buffer. */
if (ret == GST_BASE_TRANSFORM_FLOW_DROPPED) {
GST_DEBUG_OBJECT (trans, "dropped a buffer, marking DISCONT");
- trans->priv->discont = TRUE;
+ priv->discont = TRUE;
ret = GST_FLOW_OK;
}
gst_base_transform_activate (GstBaseTransform * trans, gboolean active)
{
GstBaseTransformClass *bclass;
+ GstBaseTransformPrivate *priv = trans->priv;
gboolean result = TRUE;
bclass = GST_BASE_TRANSFORM_GET_CLASS (trans);
if (active) {
GstCaps *incaps, *outcaps;
- if (trans->priv->pad_mode == GST_PAD_MODE_NONE && bclass->start)
+ if (priv->pad_mode == GST_PAD_MODE_NONE && bclass->start)
result &= bclass->start (trans);
incaps = gst_pad_get_current_caps (trans->sinkpad);
GST_OBJECT_LOCK (trans);
if (incaps && outcaps)
- trans->have_same_caps =
- gst_caps_is_equal (incaps, outcaps) || trans->passthrough;
+ priv->have_same_caps =
+ gst_caps_is_equal (incaps, outcaps) || priv->passthrough;
else
- trans->have_same_caps = trans->passthrough;
- GST_DEBUG_OBJECT (trans, "have_same_caps %d", trans->have_same_caps);
- trans->negotiated = FALSE;
+ priv->have_same_caps = priv->passthrough;
+ GST_DEBUG_OBJECT (trans, "have_same_caps %d", priv->have_same_caps);
+ priv->negotiated = FALSE;
trans->have_segment = FALSE;
gst_segment_init (&trans->segment, GST_FORMAT_UNDEFINED);
- trans->priv->position_out = GST_CLOCK_TIME_NONE;
- trans->priv->proportion = 1.0;
- trans->priv->earliest_time = -1;
- trans->priv->discont = FALSE;
- trans->priv->processed = 0;
- trans->priv->dropped = 0;
+ priv->position_out = GST_CLOCK_TIME_NONE;
+ priv->proportion = 1.0;
+ priv->earliest_time = -1;
+ priv->discont = FALSE;
+ priv->processed = 0;
+ priv->dropped = 0;
GST_OBJECT_UNLOCK (trans);
if (incaps)
GST_PAD_STREAM_LOCK (trans->sinkpad);
GST_PAD_STREAM_UNLOCK (trans->sinkpad);
- trans->have_same_caps = FALSE;
+ priv->have_same_caps = FALSE;
/* We can only reset the passthrough mode if the instance told us to
handle it in configure_caps */
if (bclass->passthrough_on_same_caps) {
gst_base_transform_set_passthrough (trans, FALSE);
}
- gst_caps_replace (&trans->cache_caps1, NULL);
- gst_caps_replace (&trans->cache_caps2, NULL);
+ gst_caps_replace (&priv->cache_caps1, NULL);
+ gst_caps_replace (&priv->cache_caps2, NULL);
- if (trans->priv->pad_mode != GST_PAD_MODE_NONE && bclass->stop)
+ if (priv->pad_mode != GST_PAD_MODE_NONE && bclass->stop)
result &= bclass->stop (trans);
- gst_base_transform_set_allocation (trans, NULL, NULL, 0, 0);
+ gst_base_transform_set_allocation (trans, NULL, NULL, NULL, NULL);
}
return result;
GST_OBJECT_LOCK (trans);
if (passthrough == FALSE) {
if (bclass->transform_ip || bclass->transform)
- trans->passthrough = FALSE;
+ trans->priv->passthrough = FALSE;
} else {
- trans->passthrough = TRUE;
+ trans->priv->passthrough = TRUE;
}
- GST_DEBUG_OBJECT (trans, "set passthrough %d", trans->passthrough);
+ GST_DEBUG_OBJECT (trans, "set passthrough %d", trans->priv->passthrough);
GST_OBJECT_UNLOCK (trans);
}
g_return_val_if_fail (GST_IS_BASE_TRANSFORM (trans), FALSE);
GST_OBJECT_LOCK (trans);
- result = trans->passthrough;
+ result = trans->priv->passthrough;
GST_OBJECT_UNLOCK (trans);
return result;
if (in_place) {
if (bclass->transform_ip) {
GST_DEBUG_OBJECT (trans, "setting in_place TRUE");
- trans->always_in_place = TRUE;
+ trans->priv->always_in_place = TRUE;
}
} else {
if (bclass->transform) {
GST_DEBUG_OBJECT (trans, "setting in_place FALSE");
- trans->always_in_place = FALSE;
+ trans->priv->always_in_place = FALSE;
}
}
g_return_val_if_fail (GST_IS_BASE_TRANSFORM (trans), FALSE);
GST_OBJECT_LOCK (trans);
- result = trans->always_in_place;
+ result = trans->priv->always_in_place;
GST_OBJECT_UNLOCK (trans);
return result;
gst_base_transform_update_qos (GstBaseTransform * trans,
gdouble proportion, GstClockTimeDiff diff, GstClockTime timestamp)
{
-
g_return_if_fail (GST_IS_BASE_TRANSFORM (trans));
GST_CAT_DEBUG_OBJECT (GST_CAT_QOS, trans,
}
/**
- * gst_base_transform_suggest:
+ * gst_base_transform_reconfigure_sink:
* @trans: a #GstBaseTransform
- * @caps: (transfer none): caps to suggest
- * @size: buffer size to suggest
*
- * Instructs @trans to suggest new @caps upstream. A copy of @caps will be
- * taken.
- *
- * Since: 0.10.21
+ * Instructs @trans to request renegotiation upstream. This function is
+ * typically called after properties on the transform were set that
+ * influence the input format.
*/
void
-gst_base_transform_suggest (GstBaseTransform * trans, GstCaps * caps,
- gsize size)
+gst_base_transform_reconfigure_sink (GstBaseTransform * trans)
{
g_return_if_fail (GST_IS_BASE_TRANSFORM (trans));
}
/**
- * gst_base_transform_reconfigure:
+ * gst_base_transform_reconfigure_src:
* @trans: a #GstBaseTransform
*
* Instructs @trans to renegotiate a new downstream transform on the next
* Since: 0.10.21
*/
void
-gst_base_transform_reconfigure (GstBaseTransform * trans)
+gst_base_transform_reconfigure_src (GstBaseTransform * trans)
{
g_return_if_fail (GST_IS_BASE_TRANSFORM (trans));
projects / platform / upstream / gstreamer.git / blobdiff