/* GStreamer WebM muxer * Copyright (c) 2010 Sebastian Dröge <sebastian.droege@collabora.co.uk> * * 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., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ /** * SECTION:element-webmmux * * webmmux muxes VP8 video and Vorbis audio streams into a WebM file. * * <refsect2> * <title>Example launch line</title> * |[ * gst-launch-0.10 webmmux name=mux ! filesink location=newfile.webm \ * uridecodebin uri=file:///path/to/somefile.ogv name=demux \ * demux. ! videoconvert ! vp8enc ! queue ! mux.video_0 \ * demux. ! progressreport ! audioconvert ! audiorate ! vorbisenc ! queue ! mux.audio_0 * ]| This pipeline re-encodes a video file of any format into a WebM file. * |[ * gst-launch-0.10 webmmux name=mux ! filesink location=test.webm \ * videotestsrc num-buffers=250 ! video/x-raw,framerate=25/1 ! videoconvert ! vp8enc ! queue ! mux.video_0 \ * audiotestsrc samplesperbuffer=44100 num-buffers=10 ! audio/x-raw,rate=44100 ! vorbisenc ! queue ! mux.audio_0 * ]| This pipeline muxes a test video and a sine wave into a WebM file. * </refsect2> */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "webm-mux.h" #define COMMON_VIDEO_CAPS \ "width = (int) [ 16, 4096 ], " \ "height = (int) [ 16, 4096 ], " \ "framerate = (fraction) [ 0, MAX ]" #define COMMON_AUDIO_CAPS \ "channels = (int) [ 1, MAX ], " \ "rate = (int) [ 1, MAX ]" G_DEFINE_TYPE (GstWebMMux, gst_webm_mux, GST_TYPE_MATROSKA_MUX); static GstStaticPadTemplate webm_src_templ = GST_STATIC_PAD_TEMPLATE ("src", GST_PAD_SRC, GST_PAD_ALWAYS, GST_STATIC_CAPS ("video/webm; audio/webm") ); static GstStaticPadTemplate webm_videosink_templ = GST_STATIC_PAD_TEMPLATE ("video_%u", GST_PAD_SINK, GST_PAD_REQUEST, GST_STATIC_CAPS ("video/x-vp8, " COMMON_VIDEO_CAPS ";" "video/x-vp9, " COMMON_VIDEO_CAPS) ); static GstStaticPadTemplate webm_audiosink_templ = GST_STATIC_PAD_TEMPLATE ("audio_%u", GST_PAD_SINK, GST_PAD_REQUEST, GST_STATIC_CAPS ("audio/x-vorbis, " COMMON_AUDIO_CAPS) ); static void gst_webm_mux_class_init (GstWebMMuxClass * klass) { GstElementClass *gstelement_class = (GstElementClass *) klass; gst_element_class_add_pad_template (gstelement_class, gst_static_pad_template_get (&webm_videosink_templ)); gst_element_class_add_pad_template (gstelement_class, gst_static_pad_template_get (&webm_audiosink_templ)); gst_element_class_add_pad_template (gstelement_class, gst_static_pad_template_get (&webm_src_templ)); gst_element_class_set_static_metadata (gstelement_class, "WebM muxer", "Codec/Muxer", "Muxes video and audio streams into a WebM stream", "GStreamer maintainers <gstreamer-devel@lists.sourceforge.net>"); } static void gst_webm_mux_init (GstWebMMux * mux) { GST_MATROSKA_MUX (mux)->doctype = GST_MATROSKA_DOCTYPE_WEBM; GST_MATROSKA_MUX (mux)->is_webm = TRUE; }