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ffdeinterlace: add "mode" property including automatic mode

Browse source 
Just like deinterlace.

https://bugzilla.gnome.org/show_bug.cgi?id=656328
This commit is contained in:
Tvrtko Ursulin 2011-08-12 09:06:03 +01:00 committed by Tim-Philipp Müller
parent 79e0c1f52d
commit 42cb5bd386
1 changed files with 162 additions and 1 deletions
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163
ext/ffmpeg/gstffmpegdeinterlace.c
View file

@ -37,6 +37,47 @@
#include "gstffmpegcodecmap.h"
#include "gstffmpegutils.h"
/* Properties */
#define DEFAULT_MODE GST_FFMPEGDEINTERLACE_MODE_AUTO
enum
{
PROP_0,
PROP_MODE,
PROP_LAST
};
typedef enum
{
GST_FFMPEGDEINTERLACE_MODE_AUTO,
GST_FFMPEGDEINTERLACE_MODE_INTERLACED,
GST_FFMPEGDEINTERLACE_MODE_DISABLED
} GstFFMpegDeinterlaceMode;
#define GST_TYPE_FFMPEGDEINTERLACE_MODES (gst_ffmpegdeinterlace_modes_get_type ())
static GType
gst_ffmpegdeinterlace_modes_get_type (void)
{
static GType deinterlace_modes_type = 0;
static const GEnumValue modes_types[] = {
{GST_FFMPEGDEINTERLACE_MODE_AUTO, "Auto detection", "auto"},
{GST_FFMPEGDEINTERLACE_MODE_INTERLACED, "Force deinterlacing",
"interlaced"},
{GST_FFMPEGDEINTERLACE_MODE_DISABLED, "Run in passthrough mode",
"disabled"},
{0, NULL, NULL},
};
if (!deinterlace_modes_type) {
deinterlace_modes_type =
g_enum_register_static ("GstFFMpegDeinterlaceModes", modes_types);
}
return deinterlace_modes_type;
}
typedef struct _GstFFMpegDeinterlace
{
GstElement element;
@ -46,6 +87,14 @@ typedef struct _GstFFMpegDeinterlace
gint width, height;
gint to_size;
GstFFMpegDeinterlaceMode mode;
gboolean interlaced; /* is input interlaced? */
gboolean passthrough;
gboolean reconfigure;
GstFFMpegDeinterlaceMode new_mode;
enum PixelFormat pixfmt;
AVPicture from_frame, to_frame;
} GstFFMpegDeinterlace;
@ -68,6 +117,11 @@ typedef struct _GstFFMpegDeinterlaceClass
GType gst_ffmpegdeinterlace_get_type (void);
static void gst_ffmpegdeinterlace_set_property (GObject * self, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_ffmpegdeinterlace_get_property (GObject * self, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
@ -103,6 +157,35 @@ gst_ffmpegdeinterlace_base_init (gpointer g_class)
static void
gst_ffmpegdeinterlace_class_init (GstFFMpegDeinterlaceClass * klass)
{
GObjectClass *gobject_class = (GObjectClass *) klass;
gobject_class->set_property = gst_ffmpegdeinterlace_set_property;
gobject_class->get_property = gst_ffmpegdeinterlace_get_property;
/**
* GstFFMpegDeinterlace:mode
*
* This selects whether the deinterlacing methods should
* always be applied or if they should only be applied
* on content that has the "interlaced" flag on the caps.
*
* Since: 0.10.13
*/
g_object_class_install_property (gobject_class, PROP_MODE,
g_param_spec_enum ("mode", "Mode", "Deinterlace Mode",
GST_TYPE_FFMPEGDEINTERLACE_MODES,
DEFAULT_MODE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)
);
}
static void
gst_ffmpegdeinterlace_update_passthrough (GstFFMpegDeinterlace * deinterlace)
{
deinterlace->passthrough =
(deinterlace->mode == GST_FFMPEGDEINTERLACE_MODE_DISABLED
|| (!deinterlace->interlaced
&& deinterlace->mode != GST_FFMPEGDEINTERLACE_MODE_INTERLACED));
GST_DEBUG_OBJECT (deinterlace, "Passthrough: %d", deinterlace->passthrough);
}
static gboolean
@ -120,6 +203,10 @@ gst_ffmpegdeinterlace_sink_setcaps (GstPad * pad, GstCaps * caps)
if (!gst_structure_get_int (structure, "height", &deinterlace->height))
return FALSE;
deinterlace->interlaced = FALSE;
gst_structure_get_boolean (structure, "interlaced", &deinterlace->interlaced);
gst_ffmpegdeinterlace_update_passthrough (deinterlace);
ctx = avcodec_alloc_context ();
ctx->width = deinterlace->width;
ctx->height = deinterlace->height;
@ -139,7 +226,8 @@ gst_ffmpegdeinterlace_sink_setcaps (GstPad * pad, GstCaps * caps)
deinterlace->height);
src_caps = gst_caps_copy (caps);
gst_caps_set_simple (src_caps, "interlaced", G_TYPE_BOOLEAN, FALSE, NULL);
gst_caps_set_simple (src_caps, "interlaced", G_TYPE_BOOLEAN,
deinterlace->interlaced, NULL);
ret = gst_pad_set_caps (deinterlace->srcpad, src_caps);
gst_caps_unref (src_caps);
@ -162,6 +250,12 @@ gst_ffmpegdeinterlace_init (GstFFMpegDeinterlace * deinterlace,
gst_element_add_pad (GST_ELEMENT (deinterlace), deinterlace->srcpad);
deinterlace->pixfmt = PIX_FMT_NB;
deinterlace->interlaced = FALSE;
deinterlace->passthrough = FALSE;
deinterlace->reconfigure = FALSE;
deinterlace->mode = DEFAULT_MODE;
deinterlace->new_mode = -1;
}
static GstFlowReturn
@ -172,6 +266,24 @@ gst_ffmpegdeinterlace_chain (GstPad * pad, GstBuffer * inbuf)
GstBuffer *outbuf = NULL;
GstFlowReturn result;
GST_OBJECT_LOCK (deinterlace);
if (deinterlace->reconfigure) {
if (deinterlace->new_mode != -1)
deinterlace->mode = deinterlace->new_mode;
deinterlace->new_mode = -1;
deinterlace->reconfigure = FALSE;
GST_OBJECT_UNLOCK (deinterlace);
if (GST_PAD_CAPS (deinterlace->srcpad))
gst_ffmpegdeinterlace_sink_setcaps (deinterlace->sinkpad,
GST_PAD_CAPS (deinterlace->sinkpad));
} else {
GST_OBJECT_UNLOCK (deinterlace);
}
if (deinterlace->passthrough)
return gst_pad_push (deinterlace->srcpad, inbuf);
result =
gst_pad_alloc_buffer (deinterlace->srcpad, GST_BUFFER_OFFSET_NONE,
deinterlace->to_size, GST_PAD_CAPS (deinterlace->srcpad), &outbuf);
@ -202,3 +314,52 @@ gst_ffmpegdeinterlace_register (GstPlugin * plugin)
return gst_element_register (plugin, "ffdeinterlace",
GST_RANK_NONE, GST_TYPE_FFMPEGDEINTERLACE);
}
static void
gst_ffmpegdeinterlace_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstFFMpegDeinterlace *self;
g_return_if_fail (GST_IS_FFMPEGDEINTERLACE (object));
self = GST_FFMPEGDEINTERLACE (object);
switch (prop_id) {
case PROP_MODE:{
gint new_mode;
GST_OBJECT_LOCK (self);
new_mode = g_value_get_enum (value);
if (self->mode != new_mode && GST_PAD_CAPS (self->srcpad)) {
self->reconfigure = TRUE;
self->new_mode = new_mode;
} else {
self->mode = new_mode;
gst_ffmpegdeinterlace_update_passthrough (self);
}
GST_OBJECT_UNLOCK (self);
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec);
}
}
static void
gst_ffmpegdeinterlace_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstFFMpegDeinterlace *self;
g_return_if_fail (GST_IS_FFMPEGDEINTERLACE (object));
self = GST_FFMPEGDEINTERLACE (object);
switch (prop_id) {
case PROP_MODE:
g_value_set_enum (value, self->mode);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (self, prop_id, pspec);
}
}