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ffmpegcolorspace: Use a more concise pad template

Browse source 
Speeds up caps nego 2 fold

https://bugzilla.gnome.org/show_bug.cgi?id=622696
This commit is contained in:
Edward Hervey 2010-06-24 13:30:59 +02:00
parent c13635b10e
commit 3a00a97fd2
1 changed files with 41 additions and 17 deletions
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58
gst/ffmpegcolorspace/gstffmpegcolorspace.c
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@ -38,11 +38,46 @@
#include "gstffmpegcolorspace.h"
#include "gstffmpegcodecmap.h"
#include <gst/video/video.h>
GST_DEBUG_CATEGORY (ffmpegcolorspace_debug);
#define GST_CAT_DEFAULT ffmpegcolorspace_debug
GST_DEBUG_CATEGORY (ffmpegcolorspace_performance);
#define FFMPEGCSP_VIDEO_CAPS \
"video/x-raw-yuv, width = "GST_VIDEO_SIZE_RANGE" , " \
"height="GST_VIDEO_SIZE_RANGE",framerate="GST_VIDEO_FPS_RANGE"," \
"format= (fourcc) { I420 , NV12 , NV21 , YV12 , YUY2 , Y42B , Y444 , YUV9 , YVU9 , Y41B , Y800 , Y8 , GREY , Y16 , UYVY , YVYU , IYU1 , v308 , AYUV } ;" \
GST_VIDEO_CAPS_RGB";" \
GST_VIDEO_CAPS_BGR";" \
GST_VIDEO_CAPS_RGBx";" \
GST_VIDEO_CAPS_xRGB";" \
GST_VIDEO_CAPS_BGRx";" \
GST_VIDEO_CAPS_xBGR";" \
GST_VIDEO_CAPS_RGBA";" \
GST_VIDEO_CAPS_ARGB";" \
GST_VIDEO_CAPS_BGRA";" \
GST_VIDEO_CAPS_ABGR";" \
GST_VIDEO_CAPS_RGB_16";" \
GST_VIDEO_CAPS_RGB_15";" \
GST_VIDEO_CAPS_GRAY8";" \
GST_VIDEO_CAPS_GRAY16("BIG_ENDIAN")";" \
GST_VIDEO_CAPS_GRAY16("LITTLE_ENDIAN")";"
static GstStaticPadTemplate gst_ffmpegcsp_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (FFMPEGCSP_VIDEO_CAPS)
);
static GstStaticPadTemplate gst_ffmpegcsp_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS (FFMPEGCSP_VIDEO_CAPS)
);
GType gst_ffmpegcsp_get_type (void);
static gboolean gst_ffmpegcsp_set_caps (GstBaseTransform * btrans,
@ -52,8 +87,6 @@ static gboolean gst_ffmpegcsp_get_unit_size (GstBaseTransform * btrans,
static GstFlowReturn gst_ffmpegcsp_transform (GstBaseTransform * btrans,
GstBuffer * inbuf, GstBuffer * outbuf);
static GstPadTemplate *sinktempl, *srctempl;
static GQuark _QRAWRGB; /* "video/x-raw-rgb" */
static GQuark _QRAWYUV; /* "video/x-raw-yuv" */
static GQuark _QALPHAMASK; /* "alpha_mask" */
@ -121,7 +154,7 @@ gst_ffmpegcsp_transform_caps (GstBaseTransform * btrans,
GstStructure *s;
GstCaps *alpha, *non_alpha;
template = gst_pad_template_get_caps (srctempl);
template = gst_static_pad_template_get_caps (&gst_ffmpegcsp_src_template);
result = gst_caps_copy (caps);
/* Get all possible caps that we can transform to */
@ -303,8 +336,11 @@ gst_ffmpegcsp_base_init (gpointer klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
gst_element_class_add_pad_template (element_class, srctempl);
gst_element_class_add_pad_template (element_class, sinktempl);
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_ffmpegcsp_src_template));
gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_ffmpegcsp_sink_template));
gst_element_class_set_details_simple (element_class,
"FFMPEG Colorspace converter", "Filter/Converter/Video",
"Converts video from one colorspace to another",
@ -459,24 +495,12 @@ not_supported:
static gboolean
plugin_init (GstPlugin * plugin)
{
GstCaps *caps;
GST_DEBUG_CATEGORY_INIT (ffmpegcolorspace_debug, "ffmpegcolorspace", 0,
"FFMPEG-based colorspace converter");
GST_DEBUG_CATEGORY_GET (ffmpegcolorspace_performance, "GST_PERFORMANCE");
avcodec_init ();
/* template caps */
caps = gst_ffmpegcsp_codectype_to_caps (CODEC_TYPE_VIDEO, NULL);
/* build templates */
srctempl = gst_pad_template_new ("src",
GST_PAD_SRC, GST_PAD_ALWAYS, gst_caps_copy (caps));
/* the sink template will do palette handling as well... */
sinktempl = gst_pad_template_new ("sink", GST_PAD_SINK, GST_PAD_ALWAYS, caps);
return gst_element_register (plugin, "ffmpegcolorspace",
GST_RANK_NONE, GST_TYPE_FFMPEGCSP);
}