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Diffstat (limited to 'ext/mplex/gstmplexjob.cc')
| -rw-r--r-- | ext/mplex/gstmplexjob.cc | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/ext/mplex/gstmplexjob.cc b/ext/mplex/gstmplexjob.cc new file mode 100644 index 00000000..058ff9a4 --- /dev/null +++ b/ext/mplex/gstmplexjob.cc @@ -0,0 +1,232 @@ +/* GStreamer mplex (mjpegtools) wrapper + * (c) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net> + * + * gstmplexjob.hh: gstreamer/mplex multiplex-job wrapper + * + * 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. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "gstmplexjob.hh" + + +enum { + ARG_0, + ARG_FORMAT, + ARG_MUX_BITRATE, + ARG_VBR, + ARG_SYSTEM_HEADERS, + ARG_SPLIT_SEQUENCE, + ARG_SEGMENT_SIZE, + ARG_PACKETS_PER_PACK, + ARG_SECTOR_SIZE, + ARG_WORKAROUND_MPLAYER_HDR + /* FILL ME */ +}; + +/* + * Property enumeration types. + */ + +#define GST_TYPE_MPLEX_FORMAT \ + (gst_mplex_format_get_type ()) + +static GType +gst_mplex_format_get_type (void) +{ + static GType mplex_format_type = 0; + + if (!mplex_format_type) { + static const GEnumValue mplex_formats[] = { + { 0, "0", "Generic MPEG-1" }, + { 1, "1", "Standard VCD" }, + { 2, "2", "User VCD" }, + { 3, "3", "Generic MPEG-2" }, + { 4, "4", "Standard SVCD" }, + { 5, "5", "User SVCD" }, + { 6, "6", "VCD Stills sequences" }, + { 7, "7", "SVCD Stills sequences" }, + { 8, "8", "DVD MPEG-2 for dvdauthor" }, + { 9, "9", "DVD MPEG-2" }, + { 0, NULL, NULL }, + }; + + mplex_format_type = + g_enum_register_static ("GstMplexFormat", + mplex_formats); + } + + return mplex_format_type; +} + +/* + * Class init functions. + */ + +GstMplexJob::GstMplexJob (void) : + MultiplexJob () +{ + /* blabla */ +} + +/* + * GObject properties. + */ + +void +GstMplexJob::initProperties (GObjectClass *klass) +{ + /* encoding profile */ + g_object_class_install_property (klass, ARG_FORMAT, + g_param_spec_enum ("format", "Format", "Encoding profile format", + GST_TYPE_MPLEX_FORMAT, 0, + (GParamFlags) G_PARAM_READWRITE)); + + /* total stream datarate. Normally, this shouldn't be needed, but + * some DVD/VCD/SVCD players really need strict values to handle + * the created files correctly. */ + g_object_class_install_property (klass, ARG_MUX_BITRATE, + g_param_spec_int ("mux-bitrate", "Mux. bitrate", + "Bitrate of output stream in kbps (0 = autodetect)", + 0, 15 * 1024, 0, (GParamFlags) G_PARAM_READWRITE)); + +#if 0 + { "video-buffer", 1, 0, 'b' }, +#endif + + /* some boolean stuff for headers */ + g_object_class_install_property (klass, ARG_VBR, + g_param_spec_boolean ("vbr", "VBR", + "Whether the input video stream is variable bitrate", + FALSE, (GParamFlags) G_PARAM_READWRITE)); + g_object_class_install_property (klass, ARG_SYSTEM_HEADERS, + g_param_spec_boolean ("system-headers", "System headers", + "Create system header in every pack for generic formats", + FALSE, (GParamFlags) G_PARAM_READWRITE)); + g_object_class_install_property (klass, ARG_SPLIT_SEQUENCE, + g_param_spec_boolean ("split-sequence", "Split sequence", + "Simply split a sequence across files " + "(rather than building run-out/run-in)", + FALSE, (GParamFlags) G_PARAM_READWRITE)); + + /* size of a segment (followed by EOS) */ + g_object_class_install_property (klass, ARG_SEGMENT_SIZE, + g_param_spec_int ("max-segment-size", "Max. segment size", + "Max. size per segment/file in MB (0 = unlimited)", + 0, 10 * 1024, 0, (GParamFlags) G_PARAM_READWRITE)); + + /* packets per pack (generic formats) */ + g_object_class_install_property (klass, ARG_PACKETS_PER_PACK, + g_param_spec_int ("packets-per-pack", "Packets per pack", + "Number of packets per pack for generic formats", + 1, 100, 1, (GParamFlags) G_PARAM_READWRITE)); + + /* size of one sector */ + g_object_class_install_property (klass, ARG_SECTOR_SIZE, + g_param_spec_int ("sector-size", "Sector size", + "Specify sector size in bytes for generic formats", + 256, 16384, 2048, (GParamFlags) G_PARAM_READWRITE)); + + /* workarounds */ + g_object_class_install_property (klass, ARG_WORKAROUND_MPLAYER_HDR, + g_param_spec_boolean ("mplayer-hdr-workaround", "MPlayer header workaround", + "Enable a workaround for bugs in MPlayer LCPM header parsing", + FALSE, (GParamFlags) G_PARAM_READWRITE)); +} + +/* + * set/get gobject properties. + */ + +void +GstMplexJob::getProperty (guint prop_id, + GValue *value) +{ + switch (prop_id) { + case ARG_FORMAT: + g_value_set_enum (value, mux_format); + break; + case ARG_MUX_BITRATE: + g_value_set_int (value, data_rate / 1000); + break; + case ARG_VBR: + g_value_set_boolean (value, VBR); + break; + case ARG_SYSTEM_HEADERS: + g_value_set_boolean (value, always_system_headers); + break; + case ARG_SPLIT_SEQUENCE: + g_value_set_boolean (value, multifile_segment); + break; + case ARG_SEGMENT_SIZE: + g_value_set_int (value, max_segment_size); + break; + case ARG_PACKETS_PER_PACK: + g_value_set_int (value, packets_per_pack); + break; + case ARG_SECTOR_SIZE: + g_value_set_int (value, sector_size); + break; + case ARG_WORKAROUND_MPLAYER_HDR: + g_value_set_boolean (value, workarounds.mplayer_pes_headers); + break; + default: + break; + } +} + +void +GstMplexJob::setProperty (guint prop_id, + const GValue *value) +{ + switch (prop_id) { + case ARG_FORMAT: + mux_format = g_value_get_enum (value); + break; + case ARG_MUX_BITRATE: + /* data_rate expects bytes (don't ask me why the property itself is + * in bits, I'm just staying compatible to mjpegtools options), and + * rounded up to 50-bytes. */ + data_rate = ((g_value_get_int (value) * 1000 / 8 + 49) / 50 ) * 50; + break; + case ARG_VBR: + VBR = g_value_get_boolean (value); + break; + case ARG_SYSTEM_HEADERS: + always_system_headers = g_value_get_boolean (value); + break; + case ARG_SPLIT_SEQUENCE: + multifile_segment = g_value_get_boolean (value); + break; + case ARG_SEGMENT_SIZE: + max_segment_size = g_value_get_int (value); + break; + case ARG_PACKETS_PER_PACK: + packets_per_pack = g_value_get_int (value); + break; + case ARG_SECTOR_SIZE: + sector_size = g_value_get_int (value); + break; + case ARG_WORKAROUND_MPLAYER_HDR: + workarounds.mplayer_pes_headers = g_value_get_boolean (value); + break; + default: + break; + } +} |