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/* GStreamer mplex (mjpegtools) wrapper
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* (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
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* gstmplexjob.hh: gstreamer/mplex multiplex-job wrapper
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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#include "gstmplexjob.hh"
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* Property enumeration types.
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#define GST_TYPE_MPLEX_FORMAT \
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(gst_mplex_format_get_type ())
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gst_mplex_format_get_type (void)
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static GType mplex_format_type = 0;
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if (!mplex_format_type) {
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static const GEnumValue mplex_formats[] = {
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{0, "Generic MPEG-1", "0"},
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{1, "Standard VCD", "1"},
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{3, "Generic MPEG-2", "3"},
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{4, "Standard SVCD", "4"},
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{5, "User SVCD", "5"},
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{6, "VCD Stills sequences", "6"},
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{7, "SVCD Stills sequences", "7"},
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{8, "DVD MPEG-2 for dvdauthor", "8"},
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{9, "DVD MPEG-2", "9"},
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g_enum_register_static ("GstMplexFormat", mplex_formats);
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return mplex_format_type;
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* Class init functions.
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GstMplexJob::GstMplexJob (void):
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GstMplexJob::initProperties (GObjectClass * klass)
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/* encoding profile */
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g_object_class_install_property (klass, ARG_FORMAT,
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g_param_spec_enum ("format", "Format", "Encoding profile format",
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GST_TYPE_MPLEX_FORMAT, 0, (GParamFlags) G_PARAM_READWRITE));
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/* total stream datarate. Normally, this shouldn't be needed, but
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* some DVD/VCD/SVCD players really need strict values to handle
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* the created files correctly. */
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g_object_class_install_property (klass, ARG_MUX_BITRATE,
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g_param_spec_int ("mux-bitrate", "Mux. bitrate",
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"Bitrate of output stream in kbps (0 = autodetect)",
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0, 15 * 1024, 0, (GParamFlags) G_PARAM_READWRITE));
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/* override decode buffer size otherwise determined by format */
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g_object_class_install_property (klass, ARG_BUFSIZE,
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g_param_spec_int ("bufsize", "Decoder buf. size",
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"Target decoders video buffer size (kB) "
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"[default determined by format if not explicitly set]",
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20, 4000, 46, (GParamFlags) G_PARAM_READWRITE));
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/* some boolean stuff for headers */
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g_object_class_install_property (klass, ARG_VBR,
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g_param_spec_boolean ("vbr", "VBR",
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"Whether the input video stream is variable bitrate",
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FALSE, (GParamFlags) G_PARAM_READWRITE));
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g_object_class_install_property (klass, ARG_SYSTEM_HEADERS,
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g_param_spec_boolean ("system-headers", "System headers",
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"Create system header in every pack for generic formats",
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FALSE, (GParamFlags) G_PARAM_READWRITE));
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#if 0 /* not supported */
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g_object_class_install_property (klass, ARG_SPLIT_SEQUENCE,
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g_param_spec_boolean ("split-sequence", "Split sequence",
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"Simply split a sequence across files "
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"(rather than building run-out/run-in)",
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FALSE, (GParamFlags) G_PARAM_READWRITE));
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/* size of a segment */
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g_object_class_install_property (klass, ARG_SEGMENT_SIZE,
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g_param_spec_int ("max-segment-size", "Max. segment size",
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"Max. size per segment/file in MB (0 = unlimited)",
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0, 10 * 1024, 0, (GParamFlags) G_PARAM_READWRITE));
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/* packets per pack (generic formats) */
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g_object_class_install_property (klass, ARG_PACKETS_PER_PACK,
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g_param_spec_int ("packets-per-pack", "Packets per pack",
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"Number of packets per pack for generic formats",
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1, 100, 1, (GParamFlags) G_PARAM_READWRITE));
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/* size of one sector */
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g_object_class_install_property (klass, ARG_SECTOR_SIZE,
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g_param_spec_int ("sector-size", "Sector size",
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"Specify sector size in bytes for generic formats",
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256, 16384, 2048, (GParamFlags) G_PARAM_READWRITE));
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* set/get gobject properties.
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GstMplexJob::getProperty (guint prop_id, GValue * value)
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g_value_set_enum (value, mux_format);
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case ARG_MUX_BITRATE:
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/* convert from bytes back to bits */
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g_value_set_int (value, (data_rate * 8) / 1000);
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g_value_set_boolean (value, VBR);
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case ARG_SYSTEM_HEADERS:
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g_value_set_boolean (value, always_system_headers);
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case ARG_SPLIT_SEQUENCE:
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g_value_set_boolean (value, multifile_segment);
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case ARG_SEGMENT_SIZE:
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g_value_set_int (value, max_segment_size);
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case ARG_PACKETS_PER_PACK:
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g_value_set_int (value, packets_per_pack);
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case ARG_SECTOR_SIZE:
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g_value_set_int (value, sector_size);
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g_value_set_int (value, bufsize);
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GstMplexJob::setProperty (guint prop_id, const GValue * value)
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mux_format = g_value_get_enum (value);
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case ARG_MUX_BITRATE:
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/* data_rate expects bytes (don't ask me why the property itself is
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* in bits, I'm just staying compatible to mjpegtools options), and
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* rounded up to 50-bytes. */
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data_rate = ((g_value_get_int (value) * 1000 / 8 + 49) / 50) * 50;
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VBR = g_value_get_boolean (value);
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case ARG_SYSTEM_HEADERS:
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always_system_headers = g_value_get_boolean (value);
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case ARG_SPLIT_SEQUENCE:
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multifile_segment = g_value_get_boolean (value);
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case ARG_SEGMENT_SIZE:
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max_segment_size = g_value_get_int (value);
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case ARG_PACKETS_PER_PACK:
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packets_per_pack = g_value_get_int (value);
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case ARG_SECTOR_SIZE:
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sector_size = g_value_get_int (value);
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bufsize = g_value_get_int (value);
added
removed
ext/mplex/gstmplexjob.cc
