/* 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-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.

 * </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 ";" "video/x-av1, " 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 (gstelement_class,

      &webm_videosink_templ);

  gst_element_class_add_static_pad_template (gstelement_class,

      &webm_audiosink_templ);

  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;

}