gstreamer/gst/rawparse/gstvideoparse.c

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Add new plugin rawparse that contains a base class for raw data parsers and the two elements audioparse and videopars... Original commit message from CVS: * configure.ac: * gst/rawparse/Makefile.am: * gst/rawparse/README: * gst/rawparse/gstaudioparse.c: (gst_audio_parse_format_get_type), (gst_audio_parse_endianness_get_type), (gst_audio_parse_base_init), (gst_audio_parse_class_init), (gst_audio_parse_init), (gst_audio_parse_set_property), (gst_audio_parse_get_property), (gst_audio_parse_update_frame_size), (gst_audio_parse_get_caps): * gst/rawparse/gstaudioparse.h: * gst/rawparse/gstrawparse.c: (gst_raw_parse_base_init), (gst_raw_parse_class_init), (gst_raw_parse_init), (gst_raw_parse_dispose), (gst_raw_parse_class_set_src_pad_template), (gst_raw_parse_class_set_multiple_frames_per_buffer), (gst_raw_parse_reset), (gst_raw_parse_chain), (gst_raw_parse_convert), (gst_raw_parse_sink_event), (gst_raw_parse_src_event), (gst_raw_parse_src_query_type), (gst_raw_parse_src_query), (gst_raw_parse_set_framesize), (gst_raw_parse_set_fps), (gst_raw_parse_get_fps), (gst_raw_parse_is_negotiated): * gst/rawparse/gstrawparse.h: * gst/rawparse/gstvideoparse.c: (gst_video_parse_format_get_type), (gst_video_parse_endianness_get_type), (gst_video_parse_base_init), (gst_video_parse_class_init), (gst_video_parse_init), (gst_video_parse_set_property), (gst_video_parse_get_property), (gst_video_parse_format_to_fourcc), (gst_video_parse_update_frame_size), (gst_video_parse_get_caps): * gst/rawparse/gstvideoparse.h: * gst/rawparse/plugin.c: (plugin_init): Add new plugin rawparse that contains a base class for raw data parsers and the two elements audioparse and videoparse that can be used to parse raw audio and video. These are inspired by the old videoparse element which the new rawparse plugin deprecates.
2007-12-23 06:22:32 +00:00
/* GStreamer
* Copyright (C) 2006 David A. Schleef <ds@schleef.org>
* Copyright (C) 2007 Sebastian Dröge <slomo@circular-chaos.org>
*
* gstvideoparse.c:
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/**
* SECTION:element-videoparse
*
* Converts a byte stream into video frames.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "gstvideoparse.h"
typedef enum
{
GST_VIDEO_PARSE_FORMAT_I420,
GST_VIDEO_PARSE_FORMAT_YV12,
GST_VIDEO_PARSE_FORMAT_YUY2,
GST_VIDEO_PARSE_FORMAT_UYVY,
GST_VIDEO_PARSE_FORMAT_RGB = 10,
GST_VIDEO_PARSE_FORMAT_GRAY
} GstVideoParseFormat;
typedef enum
{
GST_VIDEO_PARSE_ENDIANNESS_LITTLE = 1234,
GST_VIDEO_PARSE_ENDIANNESS_BIG = 4321
} GstVideoParseEndianness;
static void gst_video_parse_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_video_parse_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
static GstCaps *gst_video_parse_get_caps (GstRawParse * rp);
static void gst_video_parse_update_frame_size (GstVideoParse * vp);
GST_DEBUG_CATEGORY_STATIC (gst_video_parse_debug);
#define GST_CAT_DEFAULT gst_video_parse_debug
static const GstElementDetails gst_video_parse_details =
GST_ELEMENT_DETAILS ("Video Parse",
"Filter/Video",
"Converts stream into video frames",
"David Schleef <ds@schleef.org>, "
"Sebastian Dröge <slomo@circular-chaos.org>");
enum
{
ARG_0,
ARG_WIDTH,
ARG_HEIGHT,
ARG_FORMAT,
ARG_PAR,
ARG_FRAMERATE,
ARG_BPP,
ARG_DEPTH,
ARG_ENDIANNESS,
ARG_RED_MASK,
ARG_GREEN_MASK,
ARG_BLUE_MASK,
ARG_ALPHA_MASK
};
#define GST_VIDEO_PARSE_FORMAT (gst_video_parse_format_get_type ())
static GType
gst_video_parse_format_get_type (void)
{
static GType video_parse_format_type = 0;
static const GEnumValue format_types[] = {
{GST_VIDEO_PARSE_FORMAT_I420, "I420", "I420"},
{GST_VIDEO_PARSE_FORMAT_YV12, "YV12", "YV12"},
{GST_VIDEO_PARSE_FORMAT_YUY2, "YUY2", "YUY2"},
{GST_VIDEO_PARSE_FORMAT_UYVY, "UYVY", "UYVY"},
{GST_VIDEO_PARSE_FORMAT_RGB, "RGB", "RGB"},
{GST_VIDEO_PARSE_FORMAT_GRAY, "GRAY", "GRAY"},
{0, NULL, NULL}
};
if (!video_parse_format_type) {
video_parse_format_type =
g_enum_register_static ("GstVideoParseFormat", format_types);
}
return video_parse_format_type;
}
#define GST_VIDEO_PARSE_ENDIANNESS (gst_video_parse_endianness_get_type ())
static GType
gst_video_parse_endianness_get_type (void)
{
static GType video_parse_endianness_type = 0;
static const GEnumValue endian_types[] = {
{GST_VIDEO_PARSE_ENDIANNESS_LITTLE, "Little Endian", "little"},
{GST_VIDEO_PARSE_ENDIANNESS_BIG, "Big Endian", "big"},
{0, NULL, NULL}
};
if (!video_parse_endianness_type) {
video_parse_endianness_type =
g_enum_register_static ("GstVideoParseEndianness", endian_types);
}
return video_parse_endianness_type;
}
GST_BOILERPLATE (GstVideoParse, gst_video_parse, GstRawParse,
GST_TYPE_RAW_PARSE);
static void
gst_video_parse_base_init (gpointer g_class)
{
GstRawParseClass *rp_class = GST_RAW_PARSE_CLASS (g_class);
GstElementClass *gstelement_class = GST_ELEMENT_CLASS (g_class);
GstCaps *caps;
GST_DEBUG_CATEGORY_INIT (gst_video_parse_debug, "videoparse", 0,
"videoparse element");
gst_element_class_set_details (gstelement_class, &gst_video_parse_details);
caps =
gst_caps_from_string (GST_VIDEO_CAPS_YUV
("{ I420, YV12, YUY2, UYVY }") ";" "video/x-raw-rgb; video/x-raw-gray");
gst_raw_parse_class_set_src_pad_template (rp_class, caps);
gst_raw_parse_class_set_multiple_frames_per_buffer (rp_class, FALSE);
gst_caps_unref (caps);
}
static void
gst_video_parse_class_init (GstVideoParseClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GstRawParseClass *rp_class = GST_RAW_PARSE_CLASS (klass);
gobject_class->set_property = gst_video_parse_set_property;
gobject_class->get_property = gst_video_parse_get_property;
rp_class->get_caps = gst_video_parse_get_caps;
g_object_class_install_property (gobject_class, ARG_WIDTH,
g_param_spec_int ("width", "Width", "Width of images in raw stream",
0, INT_MAX, 320, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_HEIGHT,
g_param_spec_int ("height", "Height", "Height of images in raw stream",
0, INT_MAX, 240, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_FORMAT,
g_param_spec_enum ("format", "Format", "Format of images in raw stream",
GST_VIDEO_PARSE_FORMAT, GST_VIDEO_PARSE_FORMAT_I420,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_FRAMERATE,
gst_param_spec_fraction ("framerate", "Frame Rate",
"Frame rate of images in raw stream", 0, 1, 100, 1, 25, 1,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_PAR,
gst_param_spec_fraction ("pixel_aspect_ratio", "Pixel Aspect Ratio",
"Pixel aspect ratio of images in raw stream", 1, 100, 100, 1, 1, 1,
G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_BPP,
g_param_spec_int ("bpp", "Bpp", "Bits per pixel of images in raw stream",
0, INT_MAX, 24, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_DEPTH,
g_param_spec_int ("depth", "Depth", "Depth of images in raw stream",
0, INT_MAX, 24, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_ENDIANNESS,
g_param_spec_enum ("endianness", "Endianness",
"Endianness of images in raw stream", GST_VIDEO_PARSE_ENDIANNESS,
G_BYTE_ORDER, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_RED_MASK,
g_param_spec_int ("red-mask", "Red mask",
"Red mask of images in raw stream", 0, INT_MAX,
GST_VIDEO_BYTE1_MASK_24_INT, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_GREEN_MASK,
g_param_spec_int ("green-mask", "Green mask",
"Green mask of images in raw stream", 0, INT_MAX,
GST_VIDEO_BYTE2_MASK_24_INT, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_BLUE_MASK,
g_param_spec_int ("blue-mask", "Blue mask",
"Blue mask of images in raw stream", 0, INT_MAX,
GST_VIDEO_BYTE3_MASK_24_INT, G_PARAM_READWRITE));
g_object_class_install_property (gobject_class, ARG_ALPHA_MASK,
g_param_spec_int ("alpha-mask", "Alpha mask",
"Alpha mask of images in raw stream", 0, INT_MAX, 0,
G_PARAM_READWRITE));
}
static void
gst_video_parse_init (GstVideoParse * vp, GstVideoParseClass * g_class)
{
vp->width = 320;
vp->height = 240;
vp->format = GST_VIDEO_PARSE_FORMAT_I420;
vp->par_n = 1;
vp->par_d = 1;
vp->bpp = 24;
vp->depth = 24;
vp->endianness = G_BYTE_ORDER;
vp->red_mask = GST_VIDEO_BYTE1_MASK_24_INT;
vp->green_mask = GST_VIDEO_BYTE2_MASK_24_INT;
vp->blue_mask = GST_VIDEO_BYTE3_MASK_24_INT;
vp->alpha_mask = 0;
gst_video_parse_update_frame_size (vp);
gst_raw_parse_set_fps (GST_RAW_PARSE (vp), 25, 1);
}
static void
gst_video_parse_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstVideoParse *vp = GST_VIDEO_PARSE (object);
g_return_if_fail (!gst_raw_parse_is_negotiated (GST_RAW_PARSE (vp)));
switch (prop_id) {
case ARG_WIDTH:
vp->width = g_value_get_int (value);
break;
case ARG_HEIGHT:
vp->height = g_value_get_int (value);
break;
case ARG_FORMAT:
vp->format = g_value_get_enum (value);
break;
case ARG_FRAMERATE:
gst_raw_parse_set_fps (GST_RAW_PARSE (vp),
gst_value_get_fraction_numerator (value),
gst_value_get_fraction_denominator (value));
break;
case ARG_PAR:
vp->par_n = gst_value_get_fraction_numerator (value);
vp->par_d = gst_value_get_fraction_denominator (value);
break;
case ARG_BPP:
vp->bpp = g_value_get_int (value);
break;
case ARG_DEPTH:
vp->depth = g_value_get_int (value);
break;
case ARG_ENDIANNESS:
vp->endianness = g_value_get_enum (value);
break;
case ARG_RED_MASK:
vp->red_mask = g_value_get_int (value);
break;
case ARG_GREEN_MASK:
vp->green_mask = g_value_get_int (value);
break;
case ARG_BLUE_MASK:
vp->blue_mask = g_value_get_int (value);
break;
case ARG_ALPHA_MASK:
vp->alpha_mask = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
gst_video_parse_update_frame_size (vp);
}
static void
gst_video_parse_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
GstVideoParse *vp = GST_VIDEO_PARSE (object);
switch (prop_id) {
case ARG_WIDTH:
g_value_set_int (value, vp->width);
break;
case ARG_HEIGHT:
g_value_set_int (value, vp->height);
break;
case ARG_FORMAT:
g_value_set_enum (value, vp->format);
break;
case ARG_FRAMERATE:{
gint fps_n, fps_d;
gst_raw_parse_get_fps (GST_RAW_PARSE (vp), &fps_n, &fps_d);
gst_value_set_fraction (value, fps_n, fps_d);
break;
}
case ARG_PAR:
gst_value_set_fraction (value, vp->par_n, vp->par_d);
break;
case ARG_BPP:
g_value_set_int (value, vp->bpp);
break;
case ARG_DEPTH:
g_value_set_int (value, vp->depth);
break;
case ARG_ENDIANNESS:
g_value_set_enum (value, vp->endianness);
break;
case ARG_RED_MASK:
g_value_set_int (value, vp->red_mask);
break;
case ARG_GREEN_MASK:
g_value_set_int (value, vp->green_mask);
break;
case ARG_BLUE_MASK:
g_value_set_int (value, vp->blue_mask);
break;
case ARG_ALPHA_MASK:
g_value_set_int (value, vp->alpha_mask);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static guint32
gst_video_parse_format_to_fourcc (GstVideoParseFormat format)
{
switch (format) {
case GST_VIDEO_PARSE_FORMAT_I420:
return GST_MAKE_FOURCC ('I', '4', '2', '0');
case GST_VIDEO_PARSE_FORMAT_YV12:
return GST_MAKE_FOURCC ('Y', 'V', '1', '2');
case GST_VIDEO_PARSE_FORMAT_YUY2:
return GST_MAKE_FOURCC ('Y', 'U', 'Y', '2');
case GST_VIDEO_PARSE_FORMAT_UYVY:
return GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y');
default:
g_assert_not_reached ();
}
return 0;
}
void
gst_video_parse_update_frame_size (GstVideoParse * vp)
{
gint framesize;
if (vp->format == GST_VIDEO_PARSE_FORMAT_I420 ||
vp->format == GST_VIDEO_PARSE_FORMAT_YV12) {
framesize = GST_ROUND_UP_4 (vp->width) * GST_ROUND_UP_2 (vp->height)
+
2 * (GST_ROUND_UP_8 (vp->width) / 2) * (GST_ROUND_UP_2 (vp->height) /
2);
} else if (vp->format == GST_VIDEO_PARSE_FORMAT_YUY2
|| vp->format == GST_VIDEO_PARSE_FORMAT_UYVY) {
framesize = GST_ROUND_UP_4 (vp->width * 2) * vp->height;
} else if (vp->format == GST_VIDEO_PARSE_FORMAT_RGB) {
framesize = GST_ROUND_UP_4 (vp->width * vp->bpp / 8) * vp->height;
Add new plugin rawparse that contains a base class for raw data parsers and the two elements audioparse and videopars... Original commit message from CVS: * configure.ac: * gst/rawparse/Makefile.am: * gst/rawparse/README: * gst/rawparse/gstaudioparse.c: (gst_audio_parse_format_get_type), (gst_audio_parse_endianness_get_type), (gst_audio_parse_base_init), (gst_audio_parse_class_init), (gst_audio_parse_init), (gst_audio_parse_set_property), (gst_audio_parse_get_property), (gst_audio_parse_update_frame_size), (gst_audio_parse_get_caps): * gst/rawparse/gstaudioparse.h: * gst/rawparse/gstrawparse.c: (gst_raw_parse_base_init), (gst_raw_parse_class_init), (gst_raw_parse_init), (gst_raw_parse_dispose), (gst_raw_parse_class_set_src_pad_template), (gst_raw_parse_class_set_multiple_frames_per_buffer), (gst_raw_parse_reset), (gst_raw_parse_chain), (gst_raw_parse_convert), (gst_raw_parse_sink_event), (gst_raw_parse_src_event), (gst_raw_parse_src_query_type), (gst_raw_parse_src_query), (gst_raw_parse_set_framesize), (gst_raw_parse_set_fps), (gst_raw_parse_get_fps), (gst_raw_parse_is_negotiated): * gst/rawparse/gstrawparse.h: * gst/rawparse/gstvideoparse.c: (gst_video_parse_format_get_type), (gst_video_parse_endianness_get_type), (gst_video_parse_base_init), (gst_video_parse_class_init), (gst_video_parse_init), (gst_video_parse_set_property), (gst_video_parse_get_property), (gst_video_parse_format_to_fourcc), (gst_video_parse_update_frame_size), (gst_video_parse_get_caps): * gst/rawparse/gstvideoparse.h: * gst/rawparse/plugin.c: (plugin_init): Add new plugin rawparse that contains a base class for raw data parsers and the two elements audioparse and videoparse that can be used to parse raw audio and video. These are inspired by the old videoparse element which the new rawparse plugin deprecates.
2007-12-23 06:22:32 +00:00
} else {
framesize = GST_ROUND_UP_4 (vp->width * vp->bpp / 8) * vp->height;
Add new plugin rawparse that contains a base class for raw data parsers and the two elements audioparse and videopars... Original commit message from CVS: * configure.ac: * gst/rawparse/Makefile.am: * gst/rawparse/README: * gst/rawparse/gstaudioparse.c: (gst_audio_parse_format_get_type), (gst_audio_parse_endianness_get_type), (gst_audio_parse_base_init), (gst_audio_parse_class_init), (gst_audio_parse_init), (gst_audio_parse_set_property), (gst_audio_parse_get_property), (gst_audio_parse_update_frame_size), (gst_audio_parse_get_caps): * gst/rawparse/gstaudioparse.h: * gst/rawparse/gstrawparse.c: (gst_raw_parse_base_init), (gst_raw_parse_class_init), (gst_raw_parse_init), (gst_raw_parse_dispose), (gst_raw_parse_class_set_src_pad_template), (gst_raw_parse_class_set_multiple_frames_per_buffer), (gst_raw_parse_reset), (gst_raw_parse_chain), (gst_raw_parse_convert), (gst_raw_parse_sink_event), (gst_raw_parse_src_event), (gst_raw_parse_src_query_type), (gst_raw_parse_src_query), (gst_raw_parse_set_framesize), (gst_raw_parse_set_fps), (gst_raw_parse_get_fps), (gst_raw_parse_is_negotiated): * gst/rawparse/gstrawparse.h: * gst/rawparse/gstvideoparse.c: (gst_video_parse_format_get_type), (gst_video_parse_endianness_get_type), (gst_video_parse_base_init), (gst_video_parse_class_init), (gst_video_parse_init), (gst_video_parse_set_property), (gst_video_parse_get_property), (gst_video_parse_format_to_fourcc), (gst_video_parse_update_frame_size), (gst_video_parse_get_caps): * gst/rawparse/gstvideoparse.h: * gst/rawparse/plugin.c: (plugin_init): Add new plugin rawparse that contains a base class for raw data parsers and the two elements audioparse and videoparse that can be used to parse raw audio and video. These are inspired by the old videoparse element which the new rawparse plugin deprecates.
2007-12-23 06:22:32 +00:00
}
gst_raw_parse_set_framesize (GST_RAW_PARSE (vp), framesize);
}
static GstCaps *
gst_video_parse_get_caps (GstRawParse * rp)
{
GstVideoParse *vp = GST_VIDEO_PARSE (rp);
GstCaps *caps;
gint fps_n, fps_d;
gst_raw_parse_get_fps (rp, &fps_n, &fps_d);
if (vp->format < GST_VIDEO_PARSE_FORMAT_RGB) {
caps = gst_caps_new_simple ("video/x-raw-yuv",
"width", G_TYPE_INT, vp->width,
"height", G_TYPE_INT, vp->height,
"format", GST_TYPE_FOURCC,
gst_video_parse_format_to_fourcc (vp->format), "framerate",
GST_TYPE_FRACTION, fps_n, fps_d, "pixel_aspect_ratio",
GST_TYPE_FRACTION, vp->par_n, vp->par_d, NULL);
} else if (vp->format == GST_VIDEO_PARSE_FORMAT_RGB) {
caps = gst_caps_new_simple ("video/x-raw-rgb",
"width", G_TYPE_INT, vp->width,
"height", G_TYPE_INT, vp->height,
"bpp", G_TYPE_INT, vp->bpp,
"depth", G_TYPE_INT, vp->depth,
"framerate", GST_TYPE_FRACTION, fps_n, fps_d,
"pixel_aspect_ratio", GST_TYPE_FRACTION, vp->par_n, vp->par_d,
"red_mask", G_TYPE_INT, vp->red_mask,
"green_mask", G_TYPE_INT, vp->green_mask,
"blue_mask", G_TYPE_INT, vp->blue_mask,
"alpha_mask", G_TYPE_INT, vp->alpha_mask,
"endianness", G_TYPE_INT, vp->endianness, NULL);
} else {
caps = gst_caps_new_simple ("video/x-raw-gray",
"width", G_TYPE_INT, vp->width,
"height", G_TYPE_INT, vp->height,
"bpp", G_TYPE_INT, vp->bpp,
"depth", G_TYPE_INT, vp->depth,
"framerate", GST_TYPE_FRACTION, fps_n, fps_d,
"pixel_aspect_ratio", GST_TYPE_FRACTION, vp->par_n, vp->par_d, NULL);
}
return caps;
}