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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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169 lines
4 KiB
C
169 lines
4 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/* First, include the header file for the plugin, to bring in the
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* object definition and other useful things.
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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 <stdio.h>
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#include <string.h>
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#include <gst/gst.h>
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#include <libavcodec/avcodec.h>
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#include <libavformat/avformat.h>
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#include "gstffmpeg.h"
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#include "gstffmpegutils.h"
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GST_DEBUG_CATEGORY (ffmpeg_debug);
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static GStaticMutex gst_avcodec_mutex = G_STATIC_MUTEX_INIT;
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int
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gst_ffmpeg_avcodec_open (AVCodecContext * avctx, AVCodec * codec)
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{
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int ret;
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g_static_mutex_lock (&gst_avcodec_mutex);
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ret = avcodec_open (avctx, codec);
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g_static_mutex_unlock (&gst_avcodec_mutex);
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return ret;
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}
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int
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gst_ffmpeg_avcodec_close (AVCodecContext * avctx)
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{
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int ret;
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g_static_mutex_lock (&gst_avcodec_mutex);
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ret = avcodec_close (avctx);
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g_static_mutex_unlock (&gst_avcodec_mutex);
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return ret;
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}
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int
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gst_ffmpeg_av_find_stream_info (AVFormatContext * ic)
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{
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int ret;
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g_static_mutex_lock (&gst_avcodec_mutex);
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ret = av_find_stream_info (ic);
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g_static_mutex_unlock (&gst_avcodec_mutex);
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return ret;
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}
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#ifndef GST_DISABLE_GST_DEBUG
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static void
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gst_ffmpeg_log_callback (void *ptr, int level, const char *fmt, va_list vl)
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{
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GstDebugLevel gst_level;
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gint len = strlen (fmt);
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gchar *fmt2 = NULL;
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if (_shut_up_I_am_probing)
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return;
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switch (level) {
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case AV_LOG_QUIET:
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gst_level = GST_LEVEL_NONE;
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break;
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case AV_LOG_ERROR:
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gst_level = GST_LEVEL_ERROR;
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break;
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case AV_LOG_INFO:
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gst_level = GST_LEVEL_INFO;
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break;
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case AV_LOG_DEBUG:
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gst_level = GST_LEVEL_DEBUG;
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break;
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default:
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gst_level = GST_LEVEL_INFO;
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break;
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}
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/* remove trailing newline as it gets already appended by the logger */
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if (fmt[len - 1] == '\n') {
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fmt2 = g_strdup (fmt);
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fmt2[len - 1] = '\0';
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}
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gst_debug_log_valist (ffmpeg_debug, gst_level, "", "", 0, NULL,
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fmt2 ? fmt2 : fmt, vl);
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g_free (fmt2);
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}
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#endif
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#ifndef GST_DISABLE_GST_DEBUG
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gboolean _shut_up_I_am_probing = FALSE;
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#endif
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static gboolean
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plugin_init (GstPlugin * plugin)
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{
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GST_DEBUG_CATEGORY_INIT (ffmpeg_debug, "libav", 0, "libav elements");
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#ifndef GST_DISABLE_GST_DEBUG
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av_log_set_callback (gst_ffmpeg_log_callback);
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#endif
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gst_ffmpeg_init_pix_fmt_info ();
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av_register_all ();
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gst_ffmpegaudenc_register (plugin);
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gst_ffmpegvidenc_register (plugin);
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gst_ffmpegauddec_register (plugin);
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gst_ffmpegviddec_register (plugin);
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gst_ffmpegdemux_register (plugin);
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gst_ffmpegmux_register (plugin);
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gst_ffmpegdeinterlace_register (plugin);
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#if 0
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gst_ffmpegscale_register (plugin);
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#endif
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#if 0
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gst_ffmpegcsp_register (plugin);
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gst_ffmpegaudioresample_register (plugin);
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#endif
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av_register_protocol2 (&gstreamer_protocol, sizeof (URLProtocol));
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av_register_protocol2 (&gstpipe_protocol, sizeof (URLProtocol));
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/* Now we can return the pointer to the newly created Plugin object. */
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return TRUE;
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}
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GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
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GST_VERSION_MINOR,
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libav,
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"All libav codecs and formats (" LIBAV_SOURCE ")",
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plugin_init, PACKAGE_VERSION,
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#ifdef GST_LIBAV_ENABLE_LGPL
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"LGPL",
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#else
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"GPL",
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#endif
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"libav", "http://www.libav.org")
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