C++ GST_STATIC_CAPS函数代码示例

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "gstmusepackdec.h"
#include "gstmusepackreader.h"

GST_DEBUG_CATEGORY (musepackdec_debug);
#define GST_CAT_DEFAULT musepackdec_debug

static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
    GST_PAD_SINK,
    GST_PAD_ALWAYS,
#ifdef MPC_IS_OLD_API
    GST_STATIC_CAPS ("audio/x-musepack, streamversion = (int) 7")
#else
    GST_STATIC_CAPS ("audio/x-musepack, streamversion = (int) { 7, 8 }")
#endif
    );

#ifdef MPC_FIXED_POINT
#define BASE_CAPS \
  "audio/x-raw-int, " \
    "signed = (bool) TRUE, " \
    "width = (int) 32, " \
    "depth = (int) 32"
#else
#define BASE_CAPS \
  "audio/x-raw-float, " \
    "width = (int) 32"

	uniaudio_channel_map_5_1_surround,
	uniaudio_channel_map_6_1_surround,
	uniaudio_channel_map_7_1_surround
};

#define CHANNEL_MAPS_SIZE (sizeof(uniaudio_channel_maps) / sizeof(gint32 *))


static GstStaticPadTemplate static_src_template = GST_STATIC_PAD_TEMPLATE(
	"src",
	GST_PAD_SRC,
	GST_PAD_ALWAYS,
	GST_STATIC_CAPS(
		"audio/x-raw, "
		"format = (string) { S32LE, S24LE, S16LE, S8 }, "
		"rate = [ 1, MAX ], "
		"channels = (int) [ 1, 8 ], "
		"layout = (string) interleaved "
	)
);


G_DEFINE_TYPE(GstImxAudioUniaudioDec, gst_imx_audio_uniaudio_dec, GST_TYPE_AUDIO_DECODER);


static void gst_imx_audio_uniaudio_dec_finalize(GObject *object);

static gboolean gst_imx_audio_uniaudio_dec_start(GstAudioDecoder *dec);
static gboolean gst_imx_audio_uniaudio_dec_stop(GstAudioDecoder *dec);
static gboolean gst_imx_audio_uniaudio_dec_set_format(GstAudioDecoder *dec, GstCaps *caps);
static GstFlowReturn gst_imx_audio_uniaudio_dec_handle_frame(GstAudioDecoder *dec, GstBuffer *buffer);

#include "gstdshowvideosrc.h"

#include <gst/video/video.h>

GST_DEBUG_CATEGORY_STATIC (dshowvideosrc_debug);
#define GST_CAT_DEFAULT dshowvideosrc_debug

static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
    GST_PAD_SRC,
    GST_PAD_ALWAYS,
    GST_STATIC_CAPS (GST_VIDEO_CAPS_BGR ";"
        GST_VIDEO_CAPS_YUV ("{ I420 }") ";"
        GST_VIDEO_CAPS_YUV ("{ YUY2 }") ";"
        "video/x-dv,"
        "systemstream = (boolean) FALSE,"
        "width = (int) [ 1, MAX ],"
        "height = (int) [ 1, MAX ],"
        "framerate = (fraction) [ 0, MAX ],"
        "format = (fourcc) dvsd;" "video/x-dv," "systemstream = (boolean) TRUE")
    );

static void gst_dshowvideosrc_init_interfaces (GType type);

GST_BOILERPLATE_FULL (GstDshowVideoSrc, gst_dshowvideosrc, GstPushSrc,
    GST_TYPE_PUSH_SRC, gst_dshowvideosrc_init_interfaces);

enum
{
  PROP_0,
  PROP_DEVICE,

  PROP_OVERLAY_WIDTH,
  PROP_OVERLAY_HEIGHT,
  PROP_ALPHA
};

#define VIDEO_FORMATS "{ RGBx, RGB, BGR, BGRx, xRGB, xBGR, " \
    "RGBA, BGRA, ARGB, ABGR, I420, YV12, AYUV, YUY2, UYVY, " \
    "v308, v210, v216, Y41B, Y42B, Y444, YVYU, NV12, NV21, UYVP, " \
    "RGB16, BGR16, RGB15, BGR15, UYVP, A420, YUV9, YVU9, " \
    "IYU1, ARGB64, AYUV64, r210, I420_10LE, I420_10BE, " \
    "GRAY8, GRAY16_BE, GRAY16_LE }"

static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
    GST_PAD_SINK,
    GST_PAD_ALWAYS,
    GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE (VIDEO_FORMATS))
    );

static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
    GST_PAD_SRC,
    GST_PAD_ALWAYS,
    GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE (VIDEO_FORMATS))
    );

G_DEFINE_TYPE (GstGdkPixbufOverlay, gst_gdk_pixbuf_overlay,
    GST_TYPE_VIDEO_FILTER);

static void
gst_gdk_pixbuf_overlay_class_init (GstGdkPixbufOverlayClass * klass)
{
  GstVideoFilterClass *videofilter_class = GST_VIDEO_FILTER_CLASS (klass);

 */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "gstpnmdec.h"
#include "gstpnmenc.h"
#include "gstpnmutils.h"

#include <gst/gstplugin.h>
#include <gst/gstversion.h>
#include <gst/gsttypefind.h>

#include <string.h>

static GstStaticCaps bitmap_caps = GST_STATIC_CAPS (MIME_BM);
static GstStaticCaps graymap_caps = GST_STATIC_CAPS (MIME_GM);
static GstStaticCaps pixmap_caps = GST_STATIC_CAPS (MIME_PM);

#define BITMAP_CAPS (gst_static_caps_get (&bitmap_caps))
#define GRAYMAP_CAPS (gst_static_caps_get (&graymap_caps))
#define PIXMAP_CAPS (gst_static_caps_get (&pixmap_caps))

static void
gst_my_typefind_function (GstTypeFind * tf, gpointer d)
{
  GstPnmInfoMngrResult r = GST_PNM_INFO_MNGR_RESULT_READING;
  GstPnmInfoMngr mngr = { 0, };
  guint i;
  guint8 *data = NULL;

  ARG_MUTE,
  ARG_HOST
};

#define DEFAULT_MUTE  FALSE
#define DEFAULT_HOST  NULL

static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
    GST_PAD_SINK,
    GST_PAD_ALWAYS,
    GST_STATIC_CAPS ("audio/x-raw-int, "
        "endianness = (int) BYTE_ORDER, "
        "signed = (boolean) TRUE, "
        "width = (int) 16, "
        "depth = (int) 16, "
        "rate = (int) [ 1000, 96000 ], "
        "channels = (int) [ 1, 2 ]; "
        "audio/x-raw-int, "
        "signed = (boolean) FALSE, "
        "width = (int) 8, "
        "depth = (int) 8, "
        "rate = (int) [ 1000, 96000 ], " "channels = (int) [ 1, 2 ]")
    );

static void gst_nas_sink_finalize (GObject * object);

static gboolean gst_nas_sink_open (GstAudioSink * sink);
static gboolean gst_nas_sink_close (GstAudioSink * sink);
static gboolean gst_nas_sink_prepare (GstAudioSink * sink,
    GstRingBufferSpec * spec);
static gboolean gst_nas_sink_unprepare (GstAudioSink * sink);
static guint gst_nas_sink_write (GstAudioSink * asink, gpointer data,

  PROP_COLOR_R,
  PROP_COLOR_G,
  PROP_COLOR_B,
  PROP_TEXT,
  PROP_HEIGHT,
  PROP_WIDTH
};

/* the capabilities of the inputs and outputs.
 *
 * describe the real formats here.
 */
static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
    GST_PAD_SINK,
    GST_PAD_ALWAYS,
    GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("RGB"))
    );

static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
    GST_PAD_SRC,
    GST_PAD_ALWAYS,
    GST_STATIC_CAPS (GST_VIDEO_CAPS_MAKE ("RGB"))
    );

G_DEFINE_TYPE (GstOpencvTextOverlay, gst_opencv_text_overlay,
    GST_TYPE_OPENCV_VIDEO_FILTER);

static void gst_opencv_text_overlay_set_property (GObject * object,
    guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_opencv_text_overlay_get_property (GObject * object,
    guint prop_id, GValue * value, GParamSpec * pspec);

        GST_PAD_SINK,
        GST_PAD_ALWAYS,
        GST_STATIC_CAPS ("audio/x-raw-int, "
                         "width = (int) 8, "
                         "depth = (int) [ 1, 8 ], "
                         "signed = (boolean) true, "
                         "endianness = (int) BIG_ENDIAN, "
                         "channels = (int) [ 1, MAX ], "
                         "rate = (int) [ 1, MAX ];"
                         "audio/x-raw-int, "
                         "width = (int) 16, "
                         "depth = (int) [ 9, 16 ], "
                         "signed = (boolean) true, "
                         "endianness = (int) BIG_ENDIAN, "
                         "channels = (int) [ 1, MAX ], "
                         "rate = (int) [ 1, MAX ];"
                         "audio/x-raw-int, "
                         "width = (int) 24, "
                         "depth = (int) [ 17, 24 ], "
                         "signed = (boolean) true, "
                         "endianness = (int) BIG_ENDIAN, "
                         "channels = (int) [ 1, MAX ], "
                         "rate = (int) [ 1, MAX ];"
                         "audio/x-raw-int, "
                         "width = (int) 32, "
                         "depth = (int) [ 25, 32 ], "
                         "signed = (boolean) true, "
                         "endianness = (int) BIG_ENDIAN, "
                         "channels = (int) [ 1, MAX ], " "rate = (int) [ 1, MAX ]")
                                                                   );

/* *INDENT-OFF* */
static const char gst_vaapi_decode_bin_src_caps_str[] =
  GST_VAAPI_DECODE_BIN_SURFACE_CAPS ", "
  GST_CAPS_INTERLACED_FALSE "; "
  GST_VIDEO_CAPS_MAKE_WITH_FEATURES (
      GST_CAPS_FEATURE_META_GST_VIDEO_GL_TEXTURE_UPLOAD_META, "{ RGBA, BGRA }") ", "
  GST_CAPS_INTERLACED_FALSE "; "
  GST_VIDEO_CAPS_MAKE (GST_VIDEO_FORMATS_ALL) ", "
  GST_CAPS_INTERLACED_FALSE;
/* *INDENT-ON* */

static GstStaticPadTemplate gst_vaapi_decode_bin_sink_factory =
GST_STATIC_PAD_TEMPLATE ("sink",
    GST_PAD_SINK,
    GST_PAD_ALWAYS,
    GST_STATIC_CAPS (gst_vaapi_decode_bin_sink_caps_str));

static GstStaticPadTemplate gst_vaapi_decode_bin_src_factory =
GST_STATIC_PAD_TEMPLATE ("src",
    GST_PAD_SRC,
    GST_PAD_ALWAYS,
    GST_STATIC_CAPS (gst_vaapi_decode_bin_src_caps_str));

G_DEFINE_TYPE (GstVaapiDecodeBin, gst_vaapi_decode_bin, GST_TYPE_BIN);

static void
post_missing_element_message (GstVaapiDecodeBin * vaapidecbin,
    const gchar * missing_factory)
{
  GstMessage *msg;

/* For ease of programming we use globals to keep refs for our floating src and
 * sink pads we create; otherwise we always have to do get_pad, get_peer, and
 * then remove references in every test function */
static GstPad *mysrcpad, *mysinkpad;

#define RG_VOLUME_CAPS_TEMPLATE_STRING    \
  "audio/x-raw-float, "                   \
  "width = (int) 32, "                    \
  "endianness = (int) BYTE_ORDER, "       \
  "channels = (int) [ 1, MAX ], "         \
  "rate = (int) [ 1, MAX ]"

static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
    GST_PAD_SINK,
    GST_PAD_ALWAYS,
    GST_STATIC_CAPS (RG_VOLUME_CAPS_TEMPLATE_STRING)
    );
static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
    GST_PAD_SRC,
    GST_PAD_ALWAYS,
    GST_STATIC_CAPS (RG_VOLUME_CAPS_TEMPLATE_STRING)
    );

/* gstcheck sets up a chain function that appends buffers to a global list.
 * This is our equivalent of that for event handling. */
static gboolean
event_func (GstPad * pad, GstEvent * event)
{
  events = g_list_append (events, event);

  return TRUE;

  fail_if (gst_bus_poll (GST_ELEMENT_BUS (pipe), GST_MESSAGE_ERROR, 0) != NULL);

  gst_element_set_state (pipe, GST_STATE_NULL);
  gst_object_unref (pipe);
}

GST_END_TEST;

/* Fake mp3 parser for test */
typedef GstBaseParse TestMpegAudioParse;
typedef GstBaseParseClass TestMpegAudioParseClass;

static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
    GST_PAD_SRC,
    GST_PAD_ALWAYS,
    GST_STATIC_CAPS ("audio/mpeg, mpegversion=1, layer=[1,3], parsed=(b)true")
    );

static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
    GST_PAD_SINK,
    GST_PAD_ALWAYS,
    GST_STATIC_CAPS ("audio/mpeg, mpegversion=1")
    );

static GType test_mpeg_audio_parse_get_type (void);
static gboolean test_mpeg_audio_parse_start (GstBaseParse * parse);
static gboolean test_mpeg_audio_parse_stop (GstBaseParse * parse);
static GstFlowReturn test_mpeg_audio_parse_handle_frame (GstBaseParse * parse,
    GstBaseParseFrame * frame, gint * skipsize);

G_DEFINE_TYPE (TestMpegAudioParse, test_mpeg_audio_parse, GST_TYPE_BASE_PARSE);

  ARG_PAT_INTERVAL,
  ARG_PMT_INTERVAL
};

static GstStaticPadTemplate mpegtsmux_sink_factory =
    GST_STATIC_PAD_TEMPLATE ("sink_%d",
    GST_PAD_SINK,
    GST_PAD_REQUEST,
    GST_STATIC_CAPS ("video/mpeg, "
        "mpegversion = (int) { 1, 2, 4 }, "
        "systemstream = (boolean) false; "
        "video/x-dirac;"
        "video/x-h264,stream-format=(string)byte-stream;"
        "audio/mpeg, "
        "mpegversion = (int) { 1, 2 };"
        "audio/mpeg, "
        "mpegversion = (int) 4, stream-format = (string) { raw, adts };"
        "audio/x-lpcm, "
        "width = (int) { 16, 20, 24 }, "
        "rate = (int) { 48000, 96000 }, "
        "channels = (int) [ 1, 8 ], "
        "dynamic_range = (int) [ 0, 255 ], "
        "emphasis = (boolean) { FALSE, TRUE }, "
        "mute = (boolean) { FALSE, TRUE }; " "audio/x-ac3;" "audio/x-dts"));

static GstStaticPadTemplate mpegtsmux_src_factory =
GST_STATIC_PAD_TEMPLATE ("src",
    GST_PAD_SRC,
    GST_PAD_ALWAYS,
    GST_STATIC_CAPS ("video/mpegts, "
        "systemstream = (boolean) true, " "packetsize = (int) { 188, 192} ")
    );

#include "gstvcdparse.h"

GST_DEBUG_CATEGORY_EXTERN (vcdparse_debug);
#define GST_CAT_DEFAULT vcdparse_debug

static gboolean gst_vcd_parse_sink_event (GstPad * pad, GstEvent * event);
static gboolean gst_vcd_parse_src_event (GstPad * pad, GstEvent * event);
static gboolean gst_vcd_parse_src_query (GstPad * pad, GstQuery * query);
static GstFlowReturn gst_vcd_parse_chain (GstPad * pad, GstBuffer * buf);
static GstStateChangeReturn gst_vcd_parse_change_state (GstElement * element,
    GstStateChange transition);

static GstStaticPadTemplate sink_factory = GST_STATIC_PAD_TEMPLATE ("sink",
    GST_PAD_SINK,
    GST_PAD_ALWAYS,
    GST_STATIC_CAPS ("video/x-vcd")
    );

static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
    GST_PAD_SRC,
    GST_PAD_ALWAYS,
    GST_STATIC_CAPS ("video/mpeg, systemstream = (boolean) TRUE")
    );

GST_BOILERPLATE (GstVcdParse, gst_vcd_parse, GstElement, GST_TYPE_ELEMENT);

static void
gst_vcd_parse_base_init (gpointer klass)
{
  GstElementClass *element_class = GST_ELEMENT_CLASS (klass);

#include <gst/base/gstadapter.h>
#include <gst/base/gstbitreader.h>
#include <string.h>

#include "gsth264frame.h"

#include "gstvdph264dec.h"

GST_DEBUG_CATEGORY_STATIC (gst_vdp_h264_dec_debug);
#define GST_CAT_DEFAULT gst_vdp_h264_dec_debug

static GstStaticPadTemplate sink_template =
GST_STATIC_PAD_TEMPLATE (GST_BASE_VIDEO_DECODER_SINK_NAME,
    GST_PAD_SINK,
    GST_PAD_ALWAYS,
    GST_STATIC_CAPS ("video/x-h264, " "interlaced = (boolean) false")
    );

#define DEBUG_INIT(bla) \
    GST_DEBUG_CATEGORY_INIT (gst_vdp_h264_dec_debug, "vdpauh264dec", 0, \
    "VDPAU h264 decoder");

GST_BOILERPLATE_FULL (GstVdpH264Dec, gst_vdp_h264_dec, GstVdpDecoder,
    GST_TYPE_VDP_DECODER, DEBUG_INIT);

#define SYNC_CODE_SIZE 3

#define READ_UINT8(reader, val, nbits) { \
  if (!gst_bit_reader_get_bits_uint8 (reader, &val, nbits)) { \
    GST_WARNING ("failed to read uint8, nbits: %d", nbits); \
    return FALSE; \

  GstBin parent;
  GstElement *inner_parser;
};


struct _GstUnalignedAudioParseClass
{
  GstBinClass parent_class;
};


static GstStaticPadTemplate static_sink_template =
GST_STATIC_PAD_TEMPLATE ("sink",
    GST_PAD_SINK,
    GST_PAD_ALWAYS,
    GST_STATIC_CAPS (GST_UNALIGNED_RAW_AUDIO_CAPS)
    );


static GstStaticPadTemplate static_src_template =
GST_STATIC_PAD_TEMPLATE ("src",
    GST_PAD_SRC,
    GST_PAD_ALWAYS,
    GST_STATIC_CAPS (GST_AUDIO_CAPS_MAKE (GST_AUDIO_FORMATS_ALL)
        ", layout = (string) { interleaved, non-interleaved }")
    );




G_DEFINE_TYPE (GstUnalignedAudioParse, gst_unaligned_audio_parse, GST_TYPE_BIN);