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deinterlace: Simplify passthrough mode detection

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This commit is contained in:
Sebastian Dröge 2010-04-23 17:25:12 +02:00
parent 88451daa03
commit a405d5a4f1
2 changed files with 21 additions and 21 deletions
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39
gst/deinterlace/gstdeinterlace.c
View file

@ -947,6 +947,14 @@ gst_deinterlace_reset_history (GstDeinterlace * self)
self->last_buffer = NULL;
}
static void
gst_deinterlace_update_passthrough (GstDeinterlace * self)
{
self->passthrough = (self->mode == GST_DEINTERLACE_MODE_DISABLED
|| (!self->interlaced && self->mode != GST_DEINTERLACE_MODE_INTERLACED));
GST_DEBUG_OBJECT (self, "Passthrough: %d", self->passthrough);
}
static void
gst_deinterlace_reset (GstDeinterlace * self)
{
@ -957,6 +965,7 @@ gst_deinterlace_reset (GstDeinterlace * self)
self->height = 0;
self->frame_size = 0;
self->fps_n = self->fps_d = 0;
self->passthrough = FALSE;
gst_segment_init (&self->segment, GST_FORMAT_TIME);
@ -993,6 +1002,7 @@ gst_deinterlace_set_property (GObject * object, guint prop_id,
GST_OBJECT_LOCK (self);
oldmode = self->mode;
self->mode = g_value_get_enum (value);
gst_deinterlace_update_passthrough (self);
if (self->mode != oldmode && GST_PAD_CAPS (self->srcpad))
gst_deinterlace_setcaps (self->sinkpad, GST_PAD_CAPS (self->sinkpad));
GST_OBJECT_UNLOCK (self);
@ -1260,18 +1270,14 @@ gst_deinterlace_do_qos (GstDeinterlace * self, GstClockTime timestamp)
static GstFlowReturn
gst_deinterlace_chain (GstPad * pad, GstBuffer * buf)
{
GstDeinterlace *self = NULL;
GstDeinterlace *self = GST_DEINTERLACE (GST_PAD_PARENT (pad));
GstClockTime timestamp;
GstFlowReturn ret = GST_FLOW_OK;
gint fields_required = 0;
gint cur_field_idx = 0;
GstBuffer *outbuf;
self = GST_DEINTERLACE (GST_PAD_PARENT (pad));
if (self->still_frame_mode ||
self->mode == GST_DEINTERLACE_MODE_DISABLED || (!self->interlaced
&& self->mode != GST_DEINTERLACE_MODE_INTERLACED))
if (self->still_frame_mode || self->passthrough)
return gst_pad_push (self->srcpad, buf);
if (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DISCONT)) {
@ -1538,9 +1544,7 @@ gst_deinterlace_getcaps (GstPad * pad)
GST_OBJECT_UNLOCK (self);
if ((self->interlaced || self->mode == GST_DEINTERLACE_MODE_INTERLACED) &&
self->fields == GST_DEINTERLACE_ALL
&& self->mode != GST_DEINTERLACE_MODE_DISABLED) {
if (!self->passthrough && self->fields == GST_DEINTERLACE_ALL) {
for (len = gst_caps_get_size (ret); len > 0; len--) {
GstStructure *s = gst_caps_get_structure (ret, len - 1);
const GValue *val;
@ -1669,9 +1673,9 @@ gst_deinterlace_setcaps (GstPad * pad, GstCaps * caps)
if (!res)
goto invalid_caps;
if ((self->interlaced || self->mode == GST_DEINTERLACE_MODE_INTERLACED) &&
self->fields == GST_DEINTERLACE_ALL
&& self->mode != GST_DEINTERLACE_MODE_DISABLED) {
gst_deinterlace_update_passthrough (self);
if (!self->passthrough && self->fields == GST_DEINTERLACE_ALL) {
gint fps_n = self->fps_n, fps_d = self->fps_d;
if (!gst_fraction_double (&fps_n, &fps_d, otherpad != self->srcpad))
@ -1921,8 +1925,7 @@ gst_deinterlace_src_query (GstPad * pad, GstQuery * query)
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_LATENCY:
if ((self->interlaced || self->mode == GST_DEINTERLACE_MODE_INTERLACED)
&& self->mode != GST_DEINTERLACE_MODE_DISABLED) {
if (!self->passthrough) {
GstClockTime min, max;
gboolean live;
GstPad *peer;
@ -2008,9 +2011,7 @@ gst_deinterlace_alloc_buffer (GstPad * pad, guint64 offset, guint size,
GST_DEBUG_OBJECT (pad, "alloc with caps %" GST_PTR_FORMAT ", size %u", caps,
size);
if (self->still_frame_mode ||
self->mode == GST_DEINTERLACE_MODE_DISABLED || (!self->interlaced
&& self->mode != GST_DEINTERLACE_MODE_INTERLACED)) {
if (self->still_frame_mode || self->passthrough) {
ret = gst_pad_alloc_buffer (self->srcpad, offset, size, caps, buf);
} else if (G_LIKELY (!self->request_caps)) {
*buf = gst_buffer_try_new_and_alloc (size);
@ -2026,9 +2027,7 @@ gst_deinterlace_alloc_buffer (GstPad * pad, guint64 offset, guint size,
guint new_frame_size;
GstCaps *new_caps = gst_caps_copy (self->request_caps);
if ((self->interlaced || self->mode == GST_DEINTERLACE_MODE_INTERLACED) &&
self->fields == GST_DEINTERLACE_ALL
&& self->mode != GST_DEINTERLACE_MODE_DISABLED) {
if (self->fields == GST_DEINTERLACE_ALL) {
gint n, d;
GstStructure *s = gst_caps_get_structure (new_caps, 0);

3
gst/deinterlace/gstdeinterlace.h
View file

@ -227,7 +227,6 @@ struct _GstDeinterlace
GstPad *srcpad, *sinkpad;
/* <private> */
GstDeinterlaceMode mode;
GstDeinterlaceFieldLayout field_layout;
@ -243,6 +242,8 @@ struct _GstDeinterlace
gint fps_n, fps_d; /* frame rate */
gboolean interlaced; /* is input interlaced? */
gboolean passthrough;
GstClockTime field_duration; /* Duration of one field */
/* The most recent pictures