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101 lines
3.5 KiB
C
101 lines
3.5 KiB
C
/* GStreamer WebM muxer
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* Copyright (c) 2010 Sebastian Dröge <sebastian.droege@collabora.co.uk>
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*
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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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*
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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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*
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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., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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/**
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* SECTION:element-webmmux
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* @title: webmmux
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*
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* webmmux muxes VP8 video and Vorbis audio streams into a WebM file.
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*
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* ## Example launch line
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* |[
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* gst-launch-1.0 webmmux name=mux ! filesink location=newfile.webm \
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* uridecodebin uri=file:///path/to/somefile.ogv name=demux \
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* demux. ! videoconvert ! vp8enc ! queue ! mux.video_0 \
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* demux. ! progressreport ! audioconvert ! audiorate ! vorbisenc ! queue ! mux.audio_0
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* ]| This pipeline re-encodes a video file of any format into a WebM file.
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* |[
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* gst-launch-1.0 webmmux name=mux ! filesink location=test.webm \
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* videotestsrc num-buffers=250 ! video/x-raw,framerate=25/1 ! videoconvert ! vp8enc ! queue ! mux.video_0 \
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* audiotestsrc samplesperbuffer=44100 num-buffers=10 ! audio/x-raw,rate=44100 ! vorbisenc ! queue ! mux.audio_0
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* ]| This pipeline muxes a test video and a sine wave into a WebM file.
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "webm-mux.h"
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#define COMMON_VIDEO_CAPS \
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"width = (int) [ 16, MAX ], " \
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"height = (int) [ 16, MAX ], " \
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"framerate = (fraction) [ 0, MAX ]"
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#define COMMON_AUDIO_CAPS \
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"channels = (int) [ 1, MAX ], " \
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"rate = (int) [ 1, MAX ]"
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G_DEFINE_TYPE (GstWebMMux, gst_webm_mux, GST_TYPE_MATROSKA_MUX);
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static GstStaticPadTemplate webm_src_templ = GST_STATIC_PAD_TEMPLATE ("src",
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GST_PAD_SRC,
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GST_PAD_ALWAYS,
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GST_STATIC_CAPS ("video/webm; audio/webm")
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);
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static GstStaticPadTemplate webm_videosink_templ =
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GST_STATIC_PAD_TEMPLATE ("video_%u",
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GST_PAD_SINK,
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GST_PAD_REQUEST,
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GST_STATIC_CAPS ("video/x-vp8, " COMMON_VIDEO_CAPS ";"
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"video/x-vp9, " COMMON_VIDEO_CAPS ";" "video/x-av1, " COMMON_VIDEO_CAPS)
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);
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static GstStaticPadTemplate webm_audiosink_templ =
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GST_STATIC_PAD_TEMPLATE ("audio_%u",
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GST_PAD_SINK,
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GST_PAD_REQUEST,
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GST_STATIC_CAPS ("audio/x-vorbis, " COMMON_AUDIO_CAPS ";"
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"audio/x-opus, " COMMON_AUDIO_CAPS)
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);
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static void
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gst_webm_mux_class_init (GstWebMMuxClass * klass)
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{
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GstElementClass *gstelement_class = (GstElementClass *) klass;
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gst_element_class_add_static_pad_template (gstelement_class,
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&webm_videosink_templ);
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gst_element_class_add_static_pad_template (gstelement_class,
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&webm_audiosink_templ);
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gst_element_class_add_static_pad_template (gstelement_class, &webm_src_templ);
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gst_element_class_set_static_metadata (gstelement_class, "WebM muxer",
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"Codec/Muxer",
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"Muxes video and audio streams into a WebM stream",
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"GStreamer maintainers <gstreamer-devel@lists.freedesktop.org>");
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}
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static void
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gst_webm_mux_init (GstWebMMux * mux)
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{
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GST_MATROSKA_MUX (mux)->doctype = GST_MATROSKA_DOCTYPE_WEBM;
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GST_MATROSKA_MUX (mux)->is_webm = TRUE;
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}
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