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/* 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
* @title: webmmux
*
* webmmux muxes VP8 video and Vorbis audio streams into a WebM file.
*
* ## Example launch line
* |[
* gst-launch-1.0 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-1.0 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.
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstmatroskaelements.h"
#include "webm-mux.h"
#define COMMON_VIDEO_CAPS \
"width = (int) [ 16, MAX ], " \
"height = (int) [ 16, MAX ], " \
"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);
GST_ELEMENT_REGISTER_DEFINE_WITH_CODE (webmmux, "webmmux",
GST_RANK_PRIMARY, GST_TYPE_WEBM_MUX, matroska_element_init (plugin));
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 ";" "video/x-av1, "
"stream-format = (string) \"obu-stream\", "
"alignment = (string) \"tu\", " 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 ";"
"audio/x-opus, " COMMON_AUDIO_CAPS)
);
static void
gst_webm_mux_class_init (GstWebMMuxClass * klass)
{
GstElementClass *gstelement_class = (GstElementClass *) klass;
gst_element_class_add_static_pad_template_with_gtype (gstelement_class,
&webm_videosink_templ, GST_TYPE_MATROSKA_MUX_PAD);
gst_element_class_add_static_pad_template_with_gtype (gstelement_class,
&webm_audiosink_templ, GST_TYPE_MATROSKA_MUX_PAD);
gst_element_class_add_static_pad_template (gstelement_class, &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.freedesktop.org>");
}
static void
gst_webm_mux_init (GstWebMMux * mux)
{
GST_MATROSKA_MUX (mux)->doctype = GST_MATROSKA_DOCTYPE_WEBM;
GST_MATROSKA_MUX (mux)->is_webm = TRUE;
}
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