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ext/ffmpeg/: ffdeinterlace port to 0.10.

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Original commit message from CVS:
reviewed by: Edward Hervey  <edward@fluendo.com>
* ext/ffmpeg/Makefile.am:
* ext/ffmpeg/gstffmpeg.c: (plugin_init):
* ext/ffmpeg/gstffmpegdeinterlace.c:
(gst_ffmpegdeinterlace_base_init),
(gst_ffmpegdeinterlace_class_init),
(gst_ffmpegdeinterlace_sink_setcaps), (gst_ffmpegdeinterlace_init),
(gst_ffmpegdeinterlace_chain), (gst_ffmpegdeinterlace_register):
ffdeinterlace port to 0.10.
Could be made a subclass of GstBaseTransform later on...
This commit is contained in:
Edward Hervey 2006-01-20 14:17:16 +00:00
parent 86c5ad28d2
commit 4ec81ff7fa
4 changed files with 121 additions and 276 deletions
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14
ChangeLog
View file

@ -1,3 +1,17 @@
2006-01-20 Martin Zlomek from Itonis (michael.benes@xeris.cz)
reviewed by: Edward Hervey <edward@fluendo.com>
* ext/ffmpeg/Makefile.am:
* ext/ffmpeg/gstffmpeg.c: (plugin_init):
* ext/ffmpeg/gstffmpegdeinterlace.c:
(gst_ffmpegdeinterlace_base_init),
(gst_ffmpegdeinterlace_class_init),
(gst_ffmpegdeinterlace_sink_setcaps), (gst_ffmpegdeinterlace_init),
(gst_ffmpegdeinterlace_chain), (gst_ffmpegdeinterlace_register):
ffdeinterlace port to 0.10.
Could be made a subclass of GstBaseTransform later on...
2006-01-20 Michal Benes <michael.benes@xeris.cz>
Reviewed by : Edward Hervey <edward@fluendo.com>

6
ext/ffmpeg/Makefile.am
View file

@ -3,12 +3,12 @@ plugin_LTLIBRARIES = libgstffmpeg.la
libgstffmpeg_la_SOURCES = gstffmpeg.c \
gstffmpegcodecmap.c \
gstffmpegdec.c \
gstffmpegenc.c
gstffmpegenc.c \
gstffmpegdeinterlace.c
# gstffmpegdemux.c \
# gstffmpegmux.c \
# gstffmpegprotocol.c \
# gstffmpegscale.c \
# gstffmpegdeinterlace.c
# gstffmpegscale.c
libgstffmpeg_la_CFLAGS = $(GST_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) \
-I $(top_srcdir)/gst-libs/ext/ffmpeg/libavformat \

2
ext/ffmpeg/gstffmpeg.c
View file

@ -109,12 +109,12 @@ plugin_init (GstPlugin * plugin)
gst_ffmpegenc_register (plugin);
gst_ffmpegdec_register (plugin);
gst_ffmpegdeinterlace_register (plugin);
#if 0
gst_ffmpegdemux_register (plugin);
gst_ffmpegmux_register (plugin);
gst_ffmpegcsp_register (plugin);
gst_ffmpegscale_register (plugin);
gst_ffmpegdeinterlace_register (plugin);
register_protocol (&gstreamer_protocol);
#endif

375
ext/ffmpeg/gstffmpegdeinterlace.c
View file

@ -2,6 +2,7 @@
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
* This file:
* Copyright (C) 2005 Luca Ognibene <luogni@tin.it>
* Copyright (C) 2006 Martin Zlomek <martin.zlomek@itonis.tv>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
@ -20,20 +21,39 @@
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
# include "config.h"
#endif
#ifdef HAVE_FFMPEG_UNINSTALLED
# include <avcodec.h>
#else
# include <ffmpeg/avcodec.h>
#endif
#include <gst/gst.h>
#ifdef HAVE_FFMPEG_UNINSTALLED
#include <avcodec.h>
#else
#include <ffmpeg/avcodec.h>
#endif
#include <gst/video/video.h>
#include "gstffmpeg.h"
#include "gstffmpegcodecmap.h"
typedef struct _GstFFMpegDeinterlace
{
GstElement element;
GstPad *sinkpad, *srcpad;
gint width, height;
gint to_size;
enum PixelFormat pixfmt;
AVPicture from_frame, to_frame;
} GstFFMpegDeinterlace;
typedef struct _GstFFMpegDeinterlaceClass
{
GstElementClass parent_class;
} GstFFMpegDeinterlaceClass;
#define GST_TYPE_FFMPEGDEINTERLACE \
(gst_ffmpegdeinterlace_get_type())
#define GST_FFMPEGDEINTERLACE(obj) \
@ -45,323 +65,134 @@
#define GST_IS_FFMPEGDEINTERLACE_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_FFMPEGDEINTERLACE))
typedef struct _GstFFMpegDeinterlace GstFFMpegDeinterlace;
typedef struct _GstFFMpegDeinterlaceClass GstFFMpegDeinterlaceClass;
struct _GstFFMpegDeinterlace
{
GstElement element;
GstPad *sinkpad, *srcpad;
gint width, height;
enum PixelFormat pixfmt;
AVPicture from_frame, to_frame;
GstCaps *sinkcaps;
guint to_size;
};
struct _GstFFMpegDeinterlaceClass
{
GstElementClass parent_class;
};
/* elementfactory information */
static GstElementDetails ffmpegdeinterlace_details = {
"FFMPEG Deinterlace element",
"Filter/Converter/Video",
"Deinterlace video",
"Luca Ognibene <luogni@tin.it>",
};
/* Signals and args */
enum
{
/* FILL ME */
LAST_SIGNAL
};
enum
{
ARG_0,
};
static GstStaticPadTemplate gst_ffmpegdeinterlace_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
);
static GstStaticPadTemplate gst_ffmpegdeinterlace_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("I420"))
);
GST_BOILERPLATE (GstFFMpegDeinterlace, gst_ffmpegdeinterlace, GstElement,
GST_TYPE_ELEMENT);
static GType gst_ffmpegdeinterlace_get_type (void);
static void gst_ffmpegdeinterlace_base_init (GstFFMpegDeinterlaceClass * klass);
static void gst_ffmpegdeinterlace_class_init (GstFFMpegDeinterlaceClass * klass);
static void gst_ffmpegdeinterlace_init (GstFFMpegDeinterlace * space);
static void gst_ffmpegdeinterlace_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_ffmpegdeinterlace_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
static GstPadLinkReturn
gst_ffmpegdeinterlace_pad_link (GstPad * pad, const GstCaps * caps);
static void gst_ffmpegdeinterlace_chain (GstPad * pad, GstData * data);
static GstStateChangeReturn gst_ffmpegdeinterlace_change_state (GstElement * element,
GstStateChange transition);
static GstElementClass *parent_class = NULL;
/*static guint gst_ffmpegdeinterlace_signals[LAST_SIGNAL] = { 0 }; */
static GstCaps *
gst_ffmpegdeinterlace_getcaps (GstPad * pad)
{
GstFFMpegDeinterlace *filter;
GstPad *otherpad;
filter = GST_FFMPEGDEINTERLACE (gst_pad_get_parent (pad));
otherpad = (pad == filter->srcpad) ? filter->sinkpad : filter->srcpad;
otherpad = (pad == filter->srcpad) ? filter->sinkpad : filter->srcpad;
return gst_pad_get_allowed_caps (otherpad);
}
static GstPadLinkReturn
gst_ffmpegdeinterlace_pad_link (GstPad * pad, const GstCaps * caps)
{
GstStructure *structure;
AVCodecContext *ctx;
GstFFMpegDeinterlace *deinterlace;
GstPad *otherpad;
GstPadLinkReturn ret;
int height, width;
deinterlace = GST_FFMPEGDEINTERLACE (gst_pad_get_parent (pad));
otherpad = (pad == deinterlace->srcpad) ? deinterlace->sinkpad :
deinterlace->srcpad;
structure = gst_caps_get_structure (caps, 0);
ret = gst_structure_get_int (structure, "width", &width);
ret &= gst_structure_get_int (structure, "height", &height);
ctx = avcodec_alloc_context ();
ctx->width = width;
ctx->height = height;
ctx->pix_fmt = PIX_FMT_NB;
gst_ffmpeg_caps_with_codectype (CODEC_TYPE_VIDEO, caps, ctx);
if (ctx->pix_fmt == PIX_FMT_NB) {
av_free (ctx);
/* we disable ourself here */
return GST_PAD_LINK_REFUSED;
}
deinterlace->pixfmt = ctx->pix_fmt;
av_free (ctx);
ret = gst_pad_try_set_caps (otherpad, caps);
if (GST_PAD_LINK_FAILED (ret)) {
return ret;
}
deinterlace->width = width;
deinterlace->height = height;
deinterlace->to_size = avpicture_get_size (deinterlace->pixfmt,
deinterlace->width, deinterlace->height);
return GST_PAD_LINK_OK;
}
static GType
gst_ffmpegdeinterlace_get_type (void)
{
static GType ffmpegdeinterlace_type = 0;
if (!ffmpegdeinterlace_type) {
static const GTypeInfo ffmpegdeinterlace_info = {
sizeof (GstFFMpegDeinterlaceClass),
(GBaseInitFunc) gst_ffmpegdeinterlace_base_init,
NULL,
(GClassInitFunc) gst_ffmpegdeinterlace_class_init,
NULL,
NULL,
sizeof (GstFFMpegDeinterlace),
0,
(GInstanceInitFunc) gst_ffmpegdeinterlace_init,
};
ffmpegdeinterlace_type = g_type_register_static (GST_TYPE_ELEMENT,
"GstFFMpegDeinterlace", &ffmpegdeinterlace_info, 0);
}
return ffmpegdeinterlace_type;
}
static GstFlowReturn gst_ffmpegdeinterlace_chain (GstPad * pad,
GstBuffer * inbuf);
static void
gst_ffmpegdeinterlace_base_init (GstFFMpegDeinterlaceClass * klass)
gst_ffmpegdeinterlace_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_set_details (element_class, &ffmpegdeinterlace_details);
static GstElementDetails plugin_details = {
"FFMPEG Deinterlace element",
"Filter/Converter/Video",
"Deinterlace video",
"Luca Ognibene <luogni@tin.it>",
};
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_ffmpegdeinterlace_src_template));
gst_static_pad_template_get (&src_factory));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_ffmpegdeinterlace_sink_template));
gst_static_pad_template_get (&sink_factory));
gst_element_class_set_details (element_class, &plugin_details);
}
static void
gst_ffmpegdeinterlace_class_init (GstFFMpegDeinterlaceClass * klass)
{
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
}
gobject_class = (GObjectClass *) klass;
gstelement_class = (GstElementClass *) klass;
static gboolean
gst_ffmpegdeinterlace_sink_setcaps (GstPad * pad, GstCaps * caps)
{
GstFFMpegDeinterlace *deinterlace =
GST_FFMPEGDEINTERLACE (gst_pad_get_parent (pad));
GstStructure *structure = gst_caps_get_structure (caps, 0);
AVCodecContext *ctx;
parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
if (!gst_structure_get_int (structure, "width", &deinterlace->width))
return FALSE;
if (!gst_structure_get_int (structure, "height", &deinterlace->height))
return FALSE;
gobject_class->set_property = gst_ffmpegdeinterlace_set_property;
gobject_class->get_property = gst_ffmpegdeinterlace_get_property;
ctx = avcodec_alloc_context ();
ctx->width = deinterlace->width;
ctx->height = deinterlace->height;
ctx->pix_fmt = PIX_FMT_NB;
gst_ffmpeg_caps_with_codectype (CODEC_TYPE_VIDEO, caps, ctx);
if (ctx->pix_fmt == PIX_FMT_NB) {
av_free (ctx);
return FALSE;
}
gstelement_class->change_state = gst_ffmpegdeinterlace_change_state;
deinterlace->pixfmt = ctx->pix_fmt;
av_free (ctx);
deinterlace->to_size =
avpicture_get_size (deinterlace->pixfmt, deinterlace->width,
deinterlace->height);
return gst_pad_set_caps (deinterlace->srcpad, caps);
}
static void
gst_ffmpegdeinterlace_init (GstFFMpegDeinterlace * deinterlace)
gst_ffmpegdeinterlace_init (GstFFMpegDeinterlace * deinterlace,
GstFFMpegDeinterlaceClass * klass)
{
deinterlace->sinkpad = gst_pad_new_from_template (gst_static_pad_template_get
(&gst_ffmpegdeinterlace_sink_template),
"sink");
gst_pad_set_link_function (deinterlace->sinkpad, gst_ffmpegdeinterlace_pad_link);
gst_pad_set_getcaps_function (deinterlace->sinkpad, gst_ffmpegdeinterlace_getcaps);
gst_pad_set_chain_function (deinterlace->sinkpad, gst_ffmpegdeinterlace_chain);
deinterlace->sinkpad =
gst_pad_new_from_static_template (&sink_factory, "sink");
gst_pad_set_setcaps_function (deinterlace->sinkpad,
gst_ffmpegdeinterlace_sink_setcaps);
gst_pad_set_chain_function (deinterlace->sinkpad,
gst_ffmpegdeinterlace_chain);
gst_element_add_pad (GST_ELEMENT (deinterlace), deinterlace->sinkpad);
deinterlace->srcpad = gst_pad_new_from_template (gst_static_pad_template_get
(&gst_ffmpegdeinterlace_src_template),
"src");
deinterlace->srcpad = gst_pad_new_from_static_template (&src_factory, "src");
gst_element_add_pad (GST_ELEMENT (deinterlace), deinterlace->srcpad);
gst_pad_set_link_function (deinterlace->srcpad, gst_ffmpegdeinterlace_pad_link);
gst_pad_set_getcaps_function (deinterlace->srcpad, gst_ffmpegdeinterlace_getcaps);
deinterlace->pixfmt = PIX_FMT_NB;
}
static void
gst_ffmpegdeinterlace_chain (GstPad * pad, GstData * data)
static GstFlowReturn
gst_ffmpegdeinterlace_chain (GstPad * pad, GstBuffer * inbuf)
{
GstBuffer *inbuf = GST_BUFFER (data);
GstFFMpegDeinterlace *deinterlace;
GstFFMpegDeinterlace *deinterlace =
GST_FFMPEGDEINTERLACE (gst_pad_get_parent (pad));
GstBuffer *outbuf = NULL;
GstFlowReturn result;
g_return_if_fail (pad != NULL);
g_return_if_fail (GST_IS_PAD (pad));
g_return_if_fail (inbuf != NULL);
result =
gst_pad_alloc_buffer (deinterlace->srcpad, GST_BUFFER_OFFSET_NONE,
deinterlace->to_size, GST_PAD_CAPS (deinterlace->srcpad), &outbuf);
if (result == GST_FLOW_OK) {
gst_ffmpeg_avpicture_fill (&deinterlace->from_frame,
GST_BUFFER_DATA (inbuf), deinterlace->pixfmt, deinterlace->width,
deinterlace->height);
deinterlace = GST_FFMPEGDEINTERLACE (gst_pad_get_parent (pad));
gst_ffmpeg_avpicture_fill (&deinterlace->to_frame, GST_BUFFER_DATA (outbuf),
deinterlace->pixfmt, deinterlace->width, deinterlace->height);
g_return_if_fail (deinterlace != NULL);
g_return_if_fail (GST_IS_FFMPEGDEINTERLACE (deinterlace));
avpicture_deinterlace (&deinterlace->to_frame, &deinterlace->from_frame,
deinterlace->pixfmt, deinterlace->width, deinterlace->height);
if (!GST_PAD_IS_USABLE (deinterlace->srcpad)) {
gst_buffer_unref (inbuf);
return;
gst_buffer_stamp (outbuf, inbuf);
result = gst_pad_push (deinterlace->srcpad, outbuf);
}
outbuf = gst_pad_alloc_buffer_and_set_caps (deinterlace->srcpad,
GST_BUFFER_OFFSET_NONE, deinterlace->to_size);
gst_ffmpeg_avpicture_fill (&deinterlace->from_frame,
GST_BUFFER_DATA (inbuf),
deinterlace->pixfmt,
deinterlace->width, deinterlace->height);
gst_ffmpeg_avpicture_fill (&deinterlace->to_frame,
GST_BUFFER_DATA (outbuf),
deinterlace->pixfmt,
deinterlace->width, deinterlace->height);
avpicture_deinterlace (&deinterlace->to_frame, &deinterlace->from_frame,
deinterlace->pixfmt, deinterlace->width, deinterlace->height);
gst_buffer_stamp (outbuf, (const GstBuffer *) inbuf);
gst_buffer_unref (inbuf);
gst_pad_push (deinterlace->srcpad, GST_DATA (outbuf));
}
static GstStateChangeReturn
gst_ffmpegdeinterlace_change_state (GstElement * element, GstStateChange transition)
{
GstFFMpegDeinterlace *deinterlace;
deinterlace = GST_FFMPEGDEINTERLACE (element);
switch (transition) {
case GST_STATE_CHANGE_READY_TO_NULL:
break;
}
if (parent_class->change_state)
return parent_class->change_state (element, transition);
return GST_STATE_CHANGE_SUCCESS;
}
static void
gst_ffmpegdeinterlace_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec)
{
GstFFMpegDeinterlace *deinterlace;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_FFMPEGDEINTERLACE (object));
deinterlace = GST_FFMPEGDEINTERLACE (object);
switch (prop_id) {
default:
break;
}
}
static void
gst_ffmpegdeinterlace_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec)
{
GstFFMpegDeinterlace *deinterlace;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail (GST_IS_FFMPEGDEINTERLACE (object));
deinterlace = GST_FFMPEGDEINTERLACE (object);
switch (prop_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
return result;
}
gboolean
gst_ffmpegdeinterlace_register (GstPlugin * plugin)
{
return gst_element_register (plugin, "ffdeinterlace",
GST_RANK_NONE, GST_TYPE_FFMPEGDEINTERLACE);
}