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deinterlace: Fix/simplify telecine state checks

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This commit is contained in:
Robert Swain 2012-07-26 16:03:57 +02:00
parent db5bb81e36
commit 01016109d0
1 changed files with 14 additions and 14 deletions
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28
gst/deinterlace/gstdeinterlace.c
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@ -322,6 +322,8 @@ static void gst_deinterlace_reset_qos (GstDeinterlace * self);
static void gst_deinterlace_read_qos (GstDeinterlace * self,
gdouble * proportion, GstClockTime * time);
#define IS_TELECINE(m) ((m) == GST_VIDEO_INTERLACE_MODE_MIXED && self->pattern > 1)
/* FIXME: what's the point of the childproxy interface here? What can you
* actually do with it? The method objects seem to have no properties */
#if 0
@ -1338,7 +1340,7 @@ gst_deinterlace_fix_timestamps (GstDeinterlace * self,
field3 = self->field_history[self->history_count - 3].frame;
interlacing_mode = GST_VIDEO_INFO_INTERLACE_MODE (&field3->info);
if (interlacing_mode == GST_VIDEO_INTERLACE_MODE_MIXED) {
if (IS_TELECINE (interlacing_mode)) {
if (self->history_count < 4) {
GST_DEBUG_OBJECT (self, "Need more fields (have %d, need 4)",
self->history_count);
@ -1612,7 +1614,7 @@ restart:
"Progressive buffer but two fields at tip aren't in the same buffer!");
}
if (interlacing_mode == GST_VIDEO_INTERLACE_MODE_MIXED && self->pattern > 1 /* locked onto a telecine pattern */
if (IS_TELECINE (interlacing_mode)
&& !gst_deinterlace_fix_timestamps (self, field1->frame, field2->frame)
&& !flushing)
goto need_more;
@ -1637,14 +1639,13 @@ restart:
GST_TIME_ARGS (GST_BUFFER_TIMESTAMP (field1_buffer) +
GST_BUFFER_DURATION (field1_buffer)));
return gst_pad_push (self->srcpad, field1_buffer);
} else if (interlacing_mode == GST_VIDEO_INTERLACE_MODE_MIXED
&& GST_VIDEO_FRAME_IS_INTERLACED (field1->frame)
&& !same_buffer && self->pattern > 1) {
} else if (IS_TELECINE (interlacing_mode)
&& GST_VIDEO_FRAME_IS_INTERLACED (field1->frame) && !same_buffer) {
/* This case needs to identify telecine mixed buffers that require weaving
* of two fields in different buffers.
* - interlacing mode is mixed
* - frame is interlaced
* - locked on to a telecine pattern
* - frame is interlaced
* - fields are in separate buffers
* If we don't yet have a pattern lock, we will have to deinterlace as we
* don't explicitly know we have a telecine sequence and so we drop through
@ -1704,8 +1705,7 @@ restart:
goto need_more;
}
if (self->fields == GST_DEINTERLACE_ALL
|| interlacing_mode == GST_VIDEO_INTERLACE_MODE_MIXED)
if (self->fields == GST_DEINTERLACE_ALL || IS_TELECINE (interlacing_mode))
GST_DEBUG_OBJECT (self, "All fields");
else if (self->fields == GST_DEINTERLACE_TF)
GST_DEBUG_OBJECT (self, "Top fields");
@ -1714,7 +1714,7 @@ restart:
if ((self->field_history[self->cur_field_idx].flags == PICTURE_INTERLACED_TOP
&& (self->fields == GST_DEINTERLACE_TF
|| interlacing_mode == GST_VIDEO_INTERLACE_MODE_MIXED))
|| IS_TELECINE (interlacing_mode)))
|| self->fields == GST_DEINTERLACE_ALL) {
GST_DEBUG_OBJECT (self, "deinterlacing top field");
@ -1749,7 +1749,7 @@ restart:
self->field_history[self->history_count - 1 -
gst_deinterlace_method_get_latency (self->method)].frame->buffer;
if (interlacing_mode != GST_VIDEO_INTERLACE_MODE_MIXED) {
if (!IS_TELECINE (interlacing_mode)) {
timestamp = GST_BUFFER_TIMESTAMP (buf);
GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
@ -1839,7 +1839,7 @@ restart:
/* no calculation done: remove excess field */
else if (self->field_history[self->cur_field_idx].flags ==
PICTURE_INTERLACED_TOP && (self->fields == GST_DEINTERLACE_BF
&& interlacing_mode != GST_VIDEO_INTERLACE_MODE_MIXED)) {
&& !IS_TELECINE (interlacing_mode))) {
GST_DEBUG_OBJECT (self, "Removing unused top field");
self->cur_field_idx--;
gst_video_frame_unmap_and_free (gst_deinterlace_pop_history (self));
@ -1863,7 +1863,7 @@ restart:
/* deinterlace bottom_field */
if ((self->field_history[self->cur_field_idx].flags ==
PICTURE_INTERLACED_BOTTOM && (self->fields == GST_DEINTERLACE_BF
|| interlacing_mode == GST_VIDEO_INTERLACE_MODE_MIXED))
|| IS_TELECINE (interlacing_mode)))
|| self->fields == GST_DEINTERLACE_ALL) {
GST_DEBUG_OBJECT (self, "deinterlacing bottom field");
@ -1899,7 +1899,7 @@ restart:
buf =
self->field_history[self->history_count - 1 -
gst_deinterlace_method_get_latency (self->method)].frame->buffer;
if (interlacing_mode != GST_VIDEO_INTERLACE_MODE_MIXED) {
if (!IS_TELECINE (interlacing_mode)) {
timestamp = GST_BUFFER_TIMESTAMP (buf);
GST_BUFFER_TIMESTAMP (outbuf) = timestamp;
@ -1975,7 +1975,7 @@ restart:
/* no calculation done: remove excess field */
else if (self->field_history[self->cur_field_idx].flags ==
PICTURE_INTERLACED_BOTTOM && (self->fields == GST_DEINTERLACE_TF
&& interlacing_mode != GST_VIDEO_INTERLACE_MODE_MIXED)) {
&& !IS_TELECINE (interlacing_mode))) {
GST_DEBUG_OBJECT (self, "Removing unused bottom field");
self->cur_field_idx--;
gst_video_frame_unmap_and_free (gst_deinterlace_pop_history (self));