mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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examples: add ONVIF client / server example
This commit is contained in:
Mathieu Duponchelle
parent
72504eee99
commit
0bdae677d3
3 changed files with 1362 additions and 0 deletions
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@ -10,6 +10,8 @@ examples = [
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'test-netclock',
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'test-netclock-client',
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'test-ogg',
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'test-onvif-client',
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'test-onvif-server',
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'test-readme',
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'test-record-auth',
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'test-record',
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693
examples/test-onvif-client.c
Normal file
693
examples/test-onvif-client.c
Normal file
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@ -0,0 +1,693 @@
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/* GStreamer
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* Copyright (C) 2019 Mathieu Duponchelle <mathieu@centricular.com>
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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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#include <gst/gst.h>
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#include <gst/rtsp/rtsp.h>
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typedef struct
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{
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gchar *range;
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gdouble speed;
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gchar *frames;
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gchar *rate_control;
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gboolean reverse;
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} SeekParameters;
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typedef struct
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{
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GstElement *src;
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GstElement *sink;
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GstElement *pipe;
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SeekParameters *seek_params;
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GMainLoop *loop;
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GIOChannel *io;
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gboolean new_range;
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guint io_watch_id;
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gboolean reset_sync;
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} Context;
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typedef struct
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{
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const gchar *name;
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gboolean has_argument;
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const gchar *help;
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gboolean (*func) (Context * ctx, gchar * arg, gboolean * async);
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} Command;
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static gboolean cmd_help (Context * ctx, gchar * arg, gboolean * async);
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static gboolean cmd_pause (Context * ctx, gchar * arg, gboolean * async);
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static gboolean cmd_play (Context * ctx, gchar * arg, gboolean * async);
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static gboolean cmd_reverse (Context * ctx, gchar * arg, gboolean * async);
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static gboolean cmd_range (Context * ctx, gchar * arg, gboolean * async);
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static gboolean cmd_speed (Context * ctx, gchar * arg, gboolean * async);
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static gboolean cmd_frames (Context * ctx, gchar * arg, gboolean * async);
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static gboolean cmd_rate_control (Context * ctx, gchar * arg, gboolean * async);
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static gboolean cmd_step_forward (Context * ctx, gchar * arg, gboolean * async);
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static Command commands[] = {
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{"help", FALSE, "Display list of valid commands", cmd_help},
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{"pause", FALSE, "Pause playback", cmd_pause},
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{"play", FALSE, "Resume playback", cmd_play},
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{"reverse", FALSE, "Reverse playback direction", cmd_reverse},
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{"range", TRUE,
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"Seek to the specified range, example: \"range: 19000101T000000Z-19000101T000200Z\"",
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cmd_range},
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{"speed", TRUE, "Set the playback speed, example: \"speed: 1.0\"", cmd_speed},
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{"frames", TRUE,
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"Set the frames trickmode, example: \"frames: intra\", \"frames: predicted\", \"frames: intra/1000\"",
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cmd_frames},
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{"rate-control", TRUE,
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"Set the rate control mode, example: \"rate-control: no\"",
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cmd_rate_control},
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{"s", FALSE, "Step to the following frame (in current playback direction)",
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cmd_step_forward},
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{NULL},
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};
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static gchar *rtsp_address;
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#define MAKE_AND_ADD(var, pipe, name, label, elem_name) \
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G_STMT_START { \
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if (G_UNLIKELY (!(var = (gst_element_factory_make (name, elem_name))))) { \
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GST_ERROR ("Could not create element %s", name); \
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goto label; \
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} \
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if (G_UNLIKELY (!gst_bin_add (GST_BIN_CAST (pipe), var))) { \
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GST_ERROR ("Could not add element %s", name); \
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goto label; \
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} \
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} G_STMT_END
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#define DEFAULT_RANGE "19000101T000000Z-19000101T000200Z"
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#define DEFAULT_SPEED 1.0
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#define DEFAULT_FRAMES "none"
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#define DEFAULT_RATE_CONTROL "yes"
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#define DEFAULT_REVERSE FALSE
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static void
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pad_added_cb (GstElement * src, GstPad * srcpad, GstElement * peer)
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{
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GstPad *sinkpad = gst_element_get_static_pad (peer, "sink");
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gst_pad_link (srcpad, sinkpad);
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gst_object_unref (sinkpad);
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}
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static gboolean
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setup (Context * ctx)
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{
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GstElement *onvifparse, *queue, *vdepay, *vdec, *vconv, *toverlay, *tee,
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*vqueue;
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gboolean ret = FALSE;
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MAKE_AND_ADD (ctx->src, ctx->pipe, "rtspsrc", done, NULL);
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MAKE_AND_ADD (queue, ctx->pipe, "queue", done, NULL);
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MAKE_AND_ADD (onvifparse, ctx->pipe, "rtponvifparse", done, NULL);
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MAKE_AND_ADD (vdepay, ctx->pipe, "rtph264depay", done, NULL);
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MAKE_AND_ADD (vdec, ctx->pipe, "avdec_h264", done, NULL);
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MAKE_AND_ADD (vconv, ctx->pipe, "videoconvert", done, NULL);
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MAKE_AND_ADD (toverlay, ctx->pipe, "timeoverlay", done, NULL);
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MAKE_AND_ADD (tee, ctx->pipe, "tee", done, NULL);
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MAKE_AND_ADD (vqueue, ctx->pipe, "queue", done, NULL);
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MAKE_AND_ADD (ctx->sink, ctx->pipe, "xvimagesink", done, NULL);
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g_object_set (ctx->src, "location", rtsp_address, NULL);
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g_object_set (ctx->src, "onvif-mode", TRUE, NULL);
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g_object_set (ctx->src, "tcp-timeout", 0, NULL);
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g_object_set (toverlay, "show-times-as-dates", TRUE, NULL);
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g_object_set (toverlay, "datetime-format", "%a %d, %b %Y - %T", NULL);
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g_signal_connect (ctx->src, "pad-added", G_CALLBACK (pad_added_cb), queue);
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if (!gst_element_link_many (queue, onvifparse, vdepay, vdec, vconv, toverlay,
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tee, vqueue, ctx->sink, NULL)) {
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goto done;
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}
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g_object_set (ctx->src, "onvif-rate-control", FALSE, "is-live", FALSE, NULL);
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if (!g_strcmp0 (ctx->seek_params->rate_control, "no")) {
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g_object_set (ctx->sink, "sync", FALSE, NULL);
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}
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ret = TRUE;
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done:
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return ret;
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}
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static GstEvent *
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translate_seek_parameters (Context * ctx, SeekParameters * seek_params)
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{
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GstEvent *ret = NULL;
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gchar *range_str = NULL;
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GstRTSPTimeRange *rtsp_range;
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GstSeekType start_type, stop_type;
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GstClockTime start, stop;
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gdouble rate;
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GstSeekFlags flags;
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gchar **split = NULL;
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GstClockTime trickmode_interval = 0;
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gint64 cur_pos;
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range_str = g_strdup_printf ("clock=%s", seek_params->range);
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if (gst_rtsp_range_parse (range_str, &rtsp_range) != GST_RTSP_OK) {
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GST_ERROR ("Failed to parse range %s", range_str);
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goto done;
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}
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gst_rtsp_range_get_times (rtsp_range, &start, &stop);
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if (start > stop) {
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GST_ERROR ("Invalid range, start > stop: %s", seek_params->range);
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goto done;
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}
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start_type = GST_SEEK_TYPE_SET;
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stop_type = GST_SEEK_TYPE_SET;
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if (!ctx->new_range) {
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gst_element_query_position (ctx->pipe, GST_FORMAT_TIME, &cur_pos);
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if (seek_params->reverse) {
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stop_type = GST_SEEK_TYPE_SET;
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stop = cur_pos;
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} else {
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start_type = GST_SEEK_TYPE_SET;
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start = cur_pos;
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}
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}
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ctx->new_range = FALSE;
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flags = GST_SEEK_FLAG_FLUSH;
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split = g_strsplit (seek_params->frames, "/", 2);
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if (!g_strcmp0 (split[0], "intra")) {
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if (split[1]) {
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guint64 interval;
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gchar *end;
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interval = g_ascii_strtoull (split[1], &end, 10);
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if (!end || *end != '\0') {
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GST_ERROR ("Unexpected interval value %s", split[1]);
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goto done;
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}
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trickmode_interval = interval * GST_MSECOND;
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}
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flags |= GST_SEEK_FLAG_TRICKMODE_KEY_UNITS;
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} else if (!g_strcmp0 (split[0], "predicted")) {
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if (split[1]) {
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GST_ERROR ("Predicted frames mode does not allow an interval (%s)",
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seek_params->frames);
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goto done;
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}
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flags |= GST_SEEK_FLAG_TRICKMODE_FORWARD_PREDICTED;
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} else if (g_strcmp0 (split[0], "none")) {
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GST_ERROR ("Invalid frames mode (%s)", seek_params->frames);
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goto done;
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}
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if (seek_params->reverse) {
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rate = -1.0 * seek_params->speed;
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} else {
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rate = 1.0 * seek_params->speed;
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}
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ret = gst_event_new_seek (rate, GST_FORMAT_TIME, flags,
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start_type, start, stop_type, stop);
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if (trickmode_interval)
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gst_event_set_seek_trickmode_interval (ret, trickmode_interval);
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done:
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if (split)
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g_strfreev (split);
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g_free (range_str);
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return ret;
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}
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static void prompt_on (Context * ctx);
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static void prompt_off (Context * ctx);
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static gboolean
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cmd_help (Context * ctx, gchar * arg, gboolean * async)
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{
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gboolean ret = TRUE;
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guint i;
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*async = FALSE;
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for (i = 0; commands[i].name; i++) {
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g_print ("%s: %s\n", commands[i].name, commands[i].help);
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}
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return ret;
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}
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static gboolean
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cmd_pause (Context * ctx, gchar * arg, gboolean * async)
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{
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gboolean ret;
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GstStateChangeReturn state_ret;
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g_print ("Pausing\n");
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state_ret = gst_element_set_state (ctx->pipe, GST_STATE_PAUSED);
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*async = state_ret == GST_STATE_CHANGE_ASYNC;
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ret = state_ret != GST_STATE_CHANGE_FAILURE;
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return ret;
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}
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static gboolean
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cmd_play (Context * ctx, gchar * arg, gboolean * async)
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{
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gboolean ret;
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GstStateChangeReturn state_ret;
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g_print ("Playing\n");
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state_ret = gst_element_set_state (ctx->pipe, GST_STATE_PLAYING);
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*async = state_ret == GST_STATE_CHANGE_ASYNC;
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ret = state_ret != GST_STATE_CHANGE_FAILURE;
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return ret;
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}
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static gboolean
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do_seek (Context * ctx)
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{
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gboolean ret = FALSE;
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GstEvent *event;
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if (!(event = translate_seek_parameters (ctx, ctx->seek_params))) {
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GST_ERROR ("Failed to create seek event");
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goto done;
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}
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if (ctx->seek_params->reverse)
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g_object_set (ctx->src, "onvif-rate-control", FALSE, NULL);
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if (ctx->reset_sync) {
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g_object_set (ctx->sink, "sync", TRUE, NULL);
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ctx->reset_sync = FALSE;
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}
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if (!gst_element_send_event (ctx->src, event)) {
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GST_ERROR ("Failed to seek rtspsrc");
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g_main_loop_quit (ctx->loop);
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goto done;
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}
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ret = TRUE;
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done:
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return ret;
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}
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static gboolean
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cmd_reverse (Context * ctx, gchar * arg, gboolean * async)
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{
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gboolean ret = TRUE;
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g_print ("Reversing playback direction\n");
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ctx->seek_params->reverse = !ctx->seek_params->reverse;
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ret = do_seek (ctx);
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*async = ret == TRUE;
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return ret;
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}
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static gboolean
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cmd_range (Context * ctx, gchar * arg, gboolean * async)
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{
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gboolean ret = TRUE;
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g_print ("Switching to new range\n");
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g_free (ctx->seek_params->range);
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ctx->seek_params->range = g_strdup (arg);
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ctx->new_range = TRUE;
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ret = do_seek (ctx);
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*async = ret == TRUE;
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return ret;
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}
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static gboolean
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cmd_speed (Context * ctx, gchar * arg, gboolean * async)
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{
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gboolean ret = FALSE;
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gchar *endptr = NULL;
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gdouble new_speed;
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new_speed = g_ascii_strtod (arg, &endptr);
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g_print ("Switching gears\n");
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if (endptr == NULL || *endptr != '\0' || new_speed <= 0.0) {
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GST_ERROR ("Invalid value for speed: %s", arg);
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goto done;
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}
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ctx->seek_params->speed = new_speed;
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ret = do_seek (ctx);
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done:
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*async = ret == TRUE;
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return ret;
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}
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||||
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static gboolean
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cmd_frames (Context * ctx, gchar * arg, gboolean * async)
|
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{
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gboolean ret = TRUE;
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g_print ("Changing Frames trickmode\n");
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g_free (ctx->seek_params->frames);
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ctx->seek_params->frames = g_strdup (arg);
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ret = do_seek (ctx);
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||||
*async = ret == TRUE;
|
||||
|
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return ret;
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||||
}
|
||||
|
||||
static gboolean
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||||
cmd_rate_control (Context * ctx, gchar * arg, gboolean * async)
|
||||
{
|
||||
gboolean ret = FALSE;
|
||||
|
||||
*async = FALSE;
|
||||
|
||||
if (!g_strcmp0 (arg, "no")) {
|
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g_object_set (ctx->sink, "sync", FALSE, NULL);
|
||||
ret = TRUE;
|
||||
} else if (!g_strcmp0 (arg, "yes")) {
|
||||
/* TODO: there probably is a solution that doesn't involve sending
|
||||
* a request to the server to reset our position */
|
||||
ctx->reset_sync = TRUE;
|
||||
ret = do_seek (ctx);
|
||||
*async = TRUE;
|
||||
} else {
|
||||
GST_ERROR ("Invalid rate-control: %s", arg);
|
||||
goto done;
|
||||
}
|
||||
|
||||
ret = TRUE;
|
||||
|
||||
done:
|
||||
return ret;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
cmd_step_forward (Context * ctx, gchar * arg, gboolean * async)
|
||||
{
|
||||
gboolean ret = FALSE;
|
||||
GstEvent *event;
|
||||
|
||||
event = gst_event_new_step (GST_FORMAT_BUFFERS, 1, 1.0, TRUE, FALSE);
|
||||
|
||||
g_print ("Stepping\n");
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||||
|
||||
if (!gst_element_send_event (ctx->sink, event)) {
|
||||
GST_ERROR ("Failed to step forward");
|
||||
goto done;
|
||||
}
|
||||
|
||||
ret = TRUE;
|
||||
|
||||
done:
|
||||
*async = ret == TRUE;
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void
|
||||
handle_command (Context * ctx, gchar * cmd)
|
||||
{
|
||||
gchar **split;
|
||||
guint i;
|
||||
gboolean valid_command = FALSE;
|
||||
|
||||
split = g_strsplit (cmd, ":", 0);
|
||||
|
||||
cmd = g_strstrip (split[0]);
|
||||
|
||||
if (cmd == NULL || *cmd == '\0') {
|
||||
g_print ("> ");
|
||||
goto done;
|
||||
}
|
||||
|
||||
for (i = 0; commands[i].name; i++) {
|
||||
if (!g_strcmp0 (commands[i].name, cmd)) {
|
||||
valid_command = TRUE;
|
||||
if (commands[i].has_argument && g_strv_length (split) != 2) {
|
||||
g_print ("Command %s expects exactly one argument:\n%s: %s\n", cmd,
|
||||
commands[i].name, commands[i].help);
|
||||
} else if (!commands[i].has_argument && g_strv_length (split) != 1) {
|
||||
g_print ("Command %s expects no argument:\n%s: %s\n", cmd,
|
||||
commands[i].name, commands[i].help);
|
||||
} else {
|
||||
gboolean async = FALSE;
|
||||
|
||||
if (commands[i].func (ctx,
|
||||
commands[i].has_argument ? g_strstrip (split[1]) : NULL, &async)
|
||||
&& async)
|
||||
prompt_off (ctx);
|
||||
else
|
||||
g_print ("> ");
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (!valid_command) {
|
||||
g_print ("Invalid command %s\n> ", cmd);
|
||||
}
|
||||
|
||||
done:
|
||||
g_strfreev (split);
|
||||
}
|
||||
|
||||
static gboolean
|
||||
io_callback (GIOChannel * io, GIOCondition condition, Context * ctx)
|
||||
{
|
||||
gboolean ret = TRUE;
|
||||
gchar *str;
|
||||
GError *error = NULL;
|
||||
|
||||
switch (condition) {
|
||||
case G_IO_PRI:
|
||||
case G_IO_IN:
|
||||
switch (g_io_channel_read_line (io, &str, NULL, NULL, &error)) {
|
||||
case G_IO_STATUS_ERROR:
|
||||
GST_ERROR ("Failed to read commands from stdin: %s", error->message);
|
||||
g_clear_error (&error);
|
||||
g_main_loop_quit (ctx->loop);
|
||||
break;
|
||||
case G_IO_STATUS_EOF:
|
||||
g_print ("EOF received, bye\n");
|
||||
g_main_loop_quit (ctx->loop);
|
||||
break;
|
||||
case G_IO_STATUS_AGAIN:
|
||||
break;
|
||||
case G_IO_STATUS_NORMAL:
|
||||
handle_command (ctx, str);
|
||||
g_free (str);
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case G_IO_ERR:
|
||||
case G_IO_HUP:
|
||||
GST_ERROR ("Failed to read commands from stdin");
|
||||
g_main_loop_quit (ctx->loop);
|
||||
break;
|
||||
case G_IO_OUT:
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void
|
||||
prompt_on (Context * ctx)
|
||||
{
|
||||
g_assert (!ctx->io);
|
||||
ctx->io = g_io_channel_unix_new (STDIN_FILENO);
|
||||
ctx->io_watch_id =
|
||||
g_io_add_watch (ctx->io, G_IO_IN, (GIOFunc) io_callback, ctx);
|
||||
g_print ("> ");
|
||||
}
|
||||
|
||||
static void
|
||||
prompt_off (Context * ctx)
|
||||
{
|
||||
g_assert (ctx->io);
|
||||
g_source_remove (ctx->io_watch_id);
|
||||
g_io_channel_unref (ctx->io);
|
||||
ctx->io = NULL;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
bus_message_cb (GstBus * bus, GstMessage * message, Context * ctx)
|
||||
{
|
||||
switch (GST_MESSAGE_TYPE (message)) {
|
||||
case GST_MESSAGE_STATE_CHANGED:{
|
||||
GstState olds, news, pendings;
|
||||
|
||||
if (GST_MESSAGE_SRC (message) == GST_OBJECT (ctx->pipe)) {
|
||||
gst_message_parse_state_changed (message, &olds, &news, &pendings);
|
||||
GST_DEBUG_BIN_TO_DOT_FILE (GST_BIN (ctx->pipe),
|
||||
GST_DEBUG_GRAPH_SHOW_ALL, "playing");
|
||||
}
|
||||
break;
|
||||
}
|
||||
case GST_MESSAGE_ERROR:{
|
||||
GError *error = NULL;
|
||||
gchar *debug;
|
||||
|
||||
gst_message_parse_error (message, &error, &debug);
|
||||
|
||||
gst_printerr ("Error: %s (%s)\n", error->message, debug);
|
||||
g_clear_error (&error);
|
||||
g_free (debug);
|
||||
g_main_loop_quit (ctx->loop);
|
||||
break;
|
||||
}
|
||||
case GST_MESSAGE_LATENCY:{
|
||||
gst_bin_recalculate_latency (GST_BIN (ctx->pipe));
|
||||
break;
|
||||
}
|
||||
case GST_MESSAGE_ASYNC_DONE:{
|
||||
prompt_on (ctx);
|
||||
}
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
int
|
||||
main (int argc, char **argv)
|
||||
{
|
||||
GOptionContext *optctx;
|
||||
Context ctx;
|
||||
GstBus *bus;
|
||||
gint ret = 1;
|
||||
GError *error = NULL;
|
||||
const gchar *range;
|
||||
const gchar *frames;
|
||||
const gchar *rate_control;
|
||||
SeekParameters seek_params =
|
||||
{ NULL, DEFAULT_SPEED, NULL, NULL, DEFAULT_REVERSE };
|
||||
GOptionEntry entries[] = {
|
||||
{"range", 0, 0, G_OPTION_ARG_STRING, &range,
|
||||
"Range to seek (default: " DEFAULT_RANGE ")", "RANGE"},
|
||||
{"speed", 0, 0, G_OPTION_ARG_DOUBLE, &seek_params.speed,
|
||||
"Speed to request (default: 1.0)", "SPEED"},
|
||||
{"frames", 0, 0, G_OPTION_ARG_STRING, &frames,
|
||||
"Frames to request (default: none)", "FRAMES"},
|
||||
{"rate-control", 0, 0, G_OPTION_ARG_STRING, &rate_control,
|
||||
"Apply rate control on the client side (default: yes)", "RATE_CONTROL"},
|
||||
{"reverse", 0, 0, G_OPTION_ARG_NONE, &seek_params.reverse,
|
||||
"Playback direction", ""},
|
||||
{NULL}
|
||||
};
|
||||
|
||||
optctx = g_option_context_new ("<rtsp-url> - ONVIF RTSP Client");
|
||||
g_option_context_add_main_entries (optctx, entries, NULL);
|
||||
g_option_context_add_group (optctx, gst_init_get_option_group ());
|
||||
if (!g_option_context_parse (optctx, &argc, &argv, &error)) {
|
||||
g_printerr ("Error parsing options: %s\n", error->message);
|
||||
g_option_context_free (optctx);
|
||||
g_clear_error (&error);
|
||||
return -1;
|
||||
}
|
||||
if (argc < 2) {
|
||||
g_print ("%s\n", g_option_context_get_help (optctx, TRUE, NULL));
|
||||
return 1;
|
||||
}
|
||||
rtsp_address = argv[1];
|
||||
g_option_context_free (optctx);
|
||||
|
||||
seek_params.range = g_strdup (range ? range : DEFAULT_RANGE);
|
||||
seek_params.frames = g_strdup (frames ? frames : DEFAULT_FRAMES);
|
||||
seek_params.rate_control =
|
||||
g_strdup (rate_control ? rate_control : DEFAULT_RATE_CONTROL);
|
||||
|
||||
if (seek_params.speed <= 0.0) {
|
||||
GST_ERROR ("SPEED must be a positive number");
|
||||
return 1;
|
||||
}
|
||||
|
||||
ctx.seek_params = &seek_params;
|
||||
ctx.new_range = TRUE;
|
||||
ctx.reset_sync = FALSE;
|
||||
|
||||
ctx.pipe = gst_pipeline_new (NULL);
|
||||
if (!setup (&ctx)) {
|
||||
g_printerr ("Damn\n");
|
||||
goto done;
|
||||
}
|
||||
|
||||
g_print ("Type help for the list of available commands\n");
|
||||
|
||||
do_seek (&ctx);
|
||||
|
||||
ctx.loop = g_main_loop_new (NULL, FALSE);
|
||||
|
||||
bus = gst_pipeline_get_bus (GST_PIPELINE (ctx.pipe));
|
||||
gst_bus_add_watch (bus, (GstBusFunc) bus_message_cb, &ctx);
|
||||
|
||||
/* This will make rtspsrc progress to the OPEN state, at which point we can seek it */
|
||||
if (!gst_element_set_state (ctx.pipe, GST_STATE_PLAYING))
|
||||
goto done;
|
||||
|
||||
g_main_loop_run (ctx.loop);
|
||||
|
||||
g_main_loop_unref (ctx.loop);
|
||||
|
||||
gst_bus_remove_watch (bus);
|
||||
gst_object_unref (bus);
|
||||
gst_element_set_state (ctx.pipe, GST_STATE_NULL);
|
||||
gst_object_unref (ctx.pipe);
|
||||
|
||||
ret = 0;
|
||||
|
||||
done:
|
||||
g_free (seek_params.range);
|
||||
g_free (seek_params.frames);
|
||||
g_free (seek_params.rate_control);
|
||||
return ret;
|
||||
}
|
||||
667
examples/test-onvif-server.c
Normal file
667
examples/test-onvif-server.c
Normal file
|
|
@ -0,0 +1,667 @@
|
|||
/* GStreamer
|
||||
* Copyright (C) 2019 Mathieu Duponchelle <mathieu@centricular.com>
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
|
||||
#include <gst/gst.h>
|
||||
|
||||
#include <gst/rtsp-server/rtsp-server.h>
|
||||
|
||||
GST_DEBUG_CATEGORY_STATIC (onvif_server_debug);
|
||||
#define GST_CAT_DEFAULT (onvif_server_debug)
|
||||
|
||||
#define MAKE_AND_ADD(var, pipe, name, label, elem_name) \
|
||||
G_STMT_START { \
|
||||
if (G_UNLIKELY (!(var = (gst_element_factory_make (name, elem_name))))) { \
|
||||
GST_ERROR ("Could not create element %s", name); \
|
||||
goto label; \
|
||||
} \
|
||||
if (G_UNLIKELY (!gst_bin_add (GST_BIN_CAST (pipe), var))) { \
|
||||
GST_ERROR ("Could not add element %s", name); \
|
||||
goto label; \
|
||||
} \
|
||||
} G_STMT_END
|
||||
|
||||
/* This simulates an archive of recordings running from 01-01-1900 to 01-01-2000.
|
||||
*
|
||||
* This is implemented by repeating the file provided at the command line, with
|
||||
* an empty interval of 5 seconds in-between. We intercept relevant events to
|
||||
* translate them, and update the timestamps on the output buffers.
|
||||
*/
|
||||
|
||||
#define INTERVAL (5 * GST_SECOND)
|
||||
|
||||
/* January the first, 2000 */
|
||||
#define END_DATE 3155673600 * GST_SECOND
|
||||
|
||||
|
||||
G_DECLARE_FINAL_TYPE (ReplayBin, replay_bin, REPLAY, BIN, GstBin);
|
||||
|
||||
static gchar *filename;
|
||||
|
||||
struct _ReplayBin
|
||||
{
|
||||
GstBin parent;
|
||||
|
||||
GstEvent *incoming_seek;
|
||||
GstEvent *outgoing_seek;
|
||||
GstClockTime trickmode_interval;
|
||||
|
||||
GstSegment segment;
|
||||
const GstSegment *incoming_segment;
|
||||
gboolean sent_segment;
|
||||
GstClockTime ts_offset;
|
||||
gint64 remainder;
|
||||
GstClockTime min_pts;
|
||||
};
|
||||
|
||||
G_DEFINE_TYPE (ReplayBin, replay_bin, GST_TYPE_BIN);
|
||||
|
||||
static void
|
||||
replay_bin_init (ReplayBin * self)
|
||||
{
|
||||
self->incoming_seek = NULL;
|
||||
self->outgoing_seek = NULL;
|
||||
self->trickmode_interval = 0;
|
||||
self->ts_offset = 0;
|
||||
self->sent_segment = FALSE;
|
||||
self->min_pts = GST_CLOCK_TIME_NONE;
|
||||
}
|
||||
|
||||
static void
|
||||
replay_bin_class_init (ReplayBinClass * klass)
|
||||
{
|
||||
}
|
||||
|
||||
static GstElement *
|
||||
replay_bin_new (void)
|
||||
{
|
||||
return GST_ELEMENT (g_object_new (replay_bin_get_type (), NULL));
|
||||
}
|
||||
|
||||
static void
|
||||
demux_pad_added_cb (GstElement * demux, GstPad * pad, GstGhostPad * ghost)
|
||||
{
|
||||
GstCaps *caps = gst_pad_get_current_caps (pad);
|
||||
GstStructure *s = gst_caps_get_structure (caps, 0);
|
||||
|
||||
if (gst_structure_has_name (s, "video/x-h264")) {
|
||||
gst_ghost_pad_set_target (ghost, pad);
|
||||
}
|
||||
|
||||
gst_caps_unref (caps);
|
||||
}
|
||||
|
||||
static void
|
||||
query_seekable (GstPad * ghost, gint64 * start, gint64 * stop)
|
||||
{
|
||||
GstPad *target;
|
||||
GstQuery *query;
|
||||
GstFormat format;
|
||||
gboolean seekable;
|
||||
|
||||
target = gst_ghost_pad_get_target (GST_GHOST_PAD (ghost));
|
||||
|
||||
query = gst_query_new_seeking (GST_FORMAT_TIME);
|
||||
|
||||
gst_pad_query (target, query);
|
||||
|
||||
gst_query_parse_seeking (query, &format, &seekable, start, stop);
|
||||
|
||||
g_assert (seekable);
|
||||
|
||||
gst_object_unref (target);
|
||||
}
|
||||
|
||||
static GstEvent *
|
||||
translate_seek (ReplayBin * self, GstPad * pad, GstEvent * ievent)
|
||||
{
|
||||
GstEvent *oevent = NULL;
|
||||
gdouble rate;
|
||||
GstFormat format;
|
||||
GstSeekFlags flags;
|
||||
GstSeekType start_type, stop_type;
|
||||
gint64 start, stop;
|
||||
gint64 istart, istop; /* Incoming */
|
||||
gint64 ustart, ustop; /* Upstream */
|
||||
gint64 ostart, ostop; /* Outgoing */
|
||||
guint32 seqnum = gst_event_get_seqnum (ievent);
|
||||
|
||||
gst_event_parse_seek (ievent, &rate, &format, &flags, &start_type, &start,
|
||||
&stop_type, &stop);
|
||||
|
||||
if (!GST_CLOCK_TIME_IS_VALID (stop))
|
||||
stop = END_DATE;
|
||||
|
||||
gst_event_parse_seek_trickmode_interval (ievent, &self->trickmode_interval);
|
||||
|
||||
istart = start;
|
||||
istop = stop;
|
||||
|
||||
query_seekable (pad, &ustart, &ustop);
|
||||
|
||||
if (rate > 0) {
|
||||
/* First, from where we should seek the file */
|
||||
ostart = istart % (ustop + INTERVAL);
|
||||
|
||||
/* This may end up in our empty interval */
|
||||
if (ostart > ustop) {
|
||||
istart += ostart - ustop;
|
||||
ostart = 0;
|
||||
}
|
||||
|
||||
/* Then, up to where we should seek it */
|
||||
ostop = MIN (ustop, ostart + (istop - istart));
|
||||
} else {
|
||||
/* First up to where we should seek the file */
|
||||
ostop = istop % (ustop + INTERVAL);
|
||||
|
||||
GST_ERROR ("Ostop is %" GST_TIME_FORMAT, GST_TIME_ARGS (ostop));
|
||||
|
||||
/* This may end up in our empty interval */
|
||||
if (ostop > ustop) {
|
||||
istop -= ostop - ustop;
|
||||
ostop = ustop;
|
||||
}
|
||||
|
||||
ostart = MAX (0, ostop - (istop - istart));
|
||||
}
|
||||
|
||||
/* We may be left with nothing to actually play, in this
|
||||
* case we won't seek upstream, and emit the expected events
|
||||
* ourselves */
|
||||
if (istart > istop) {
|
||||
GstSegment segment;
|
||||
GstEvent *event;
|
||||
gboolean update;
|
||||
|
||||
event = gst_event_new_flush_start ();
|
||||
gst_event_set_seqnum (event, seqnum);
|
||||
gst_pad_push_event (pad, event);
|
||||
|
||||
event = gst_event_new_flush_stop (TRUE);
|
||||
gst_event_set_seqnum (event, seqnum);
|
||||
gst_pad_push_event (pad, event);
|
||||
|
||||
gst_segment_init (&segment, format);
|
||||
gst_segment_do_seek (&segment, rate, format, flags, start_type, start,
|
||||
stop_type, stop, &update);
|
||||
|
||||
event = gst_event_new_segment (&segment);
|
||||
gst_event_set_seqnum (event, seqnum);
|
||||
gst_pad_push_event (pad, event);
|
||||
|
||||
event = gst_event_new_eos ();
|
||||
gst_event_set_seqnum (event, seqnum);
|
||||
gst_pad_push_event (pad, event);
|
||||
|
||||
goto done;
|
||||
}
|
||||
|
||||
/* Lastly, how much will remain to play back (this remainder includes the interval) */
|
||||
if (stop - start > ostop - ostart)
|
||||
self->remainder = (stop - start) - (ostop - ostart);
|
||||
|
||||
flags |= GST_SEEK_FLAG_SEGMENT;
|
||||
|
||||
oevent =
|
||||
gst_event_new_seek (rate, format, flags, start_type, ostart, stop_type,
|
||||
ostop);
|
||||
gst_event_set_seek_trickmode_interval (oevent, self->trickmode_interval);
|
||||
gst_event_set_seqnum (oevent, seqnum);
|
||||
|
||||
GST_ERROR ("Translated event to %" GST_PTR_FORMAT " (remainder: %ld)", oevent,
|
||||
self->remainder);
|
||||
|
||||
done:
|
||||
return oevent;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
replay_bin_event_func (GstPad * pad, GstObject * parent, GstEvent * event)
|
||||
{
|
||||
ReplayBin *self = REPLAY_BIN (parent);
|
||||
gboolean ret = TRUE;
|
||||
gboolean forward = TRUE;
|
||||
|
||||
switch (GST_EVENT_TYPE (event)) {
|
||||
case GST_EVENT_SEEK:
|
||||
{
|
||||
GST_ERROR ("Processing seek event %" GST_PTR_FORMAT, event);
|
||||
|
||||
self->incoming_seek = event;
|
||||
|
||||
gst_event_replace (&self->outgoing_seek, NULL);
|
||||
self->sent_segment = FALSE;
|
||||
|
||||
event = translate_seek (self, pad, event);
|
||||
|
||||
if (!event)
|
||||
forward = FALSE;
|
||||
else
|
||||
self->outgoing_seek = gst_event_ref (event);
|
||||
break;
|
||||
}
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
if (forward)
|
||||
return gst_pad_event_default (pad, parent, event);
|
||||
else
|
||||
return ret;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
replay_bin_query_func (GstPad * pad, GstObject * parent, GstQuery * query)
|
||||
{
|
||||
ReplayBin *self = REPLAY_BIN (parent);
|
||||
gboolean ret = TRUE;
|
||||
gboolean forward = TRUE;
|
||||
|
||||
switch (GST_QUERY_TYPE (query)) {
|
||||
case GST_QUERY_SEEKING:
|
||||
/* We are seekable from the beginning till the end of time */
|
||||
gst_query_set_seeking (query, GST_FORMAT_TIME, TRUE, 0,
|
||||
GST_CLOCK_TIME_NONE);
|
||||
forward = FALSE;
|
||||
break;
|
||||
case GST_QUERY_SEGMENT:
|
||||
gst_query_set_segment (query, self->segment.rate, self->segment.format,
|
||||
self->segment.start, self->segment.stop);
|
||||
forward = FALSE;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
GST_DEBUG ("Processed query %" GST_PTR_FORMAT, query);
|
||||
|
||||
if (forward)
|
||||
return gst_pad_query_default (pad, parent, query);
|
||||
else
|
||||
return ret;
|
||||
}
|
||||
|
||||
static GstEvent *
|
||||
translate_segment (GstPad * pad, GstEvent * ievent)
|
||||
{
|
||||
ReplayBin *self = REPLAY_BIN (GST_OBJECT_PARENT (pad));
|
||||
GstEvent *ret;
|
||||
gdouble irate, orate;
|
||||
GstFormat iformat, oformat;
|
||||
GstSeekFlags iflags, oflags;
|
||||
GstSeekType istart_type, ostart_type, istop_type, ostop_type;
|
||||
gint64 istart, ostart, istop, ostop;
|
||||
gboolean update;
|
||||
|
||||
gst_event_parse_segment (ievent, &self->incoming_segment);
|
||||
|
||||
if (!self->outgoing_seek) {
|
||||
GstSegment segment;
|
||||
gboolean update;
|
||||
|
||||
gst_segment_init (&segment, GST_FORMAT_TIME);
|
||||
|
||||
gst_segment_do_seek (&segment, 1.0, GST_FORMAT_TIME, 0, GST_SEEK_TYPE_SET,
|
||||
0, GST_SEEK_TYPE_SET, END_DATE, &update);
|
||||
|
||||
ret = gst_event_new_segment (&segment);
|
||||
gst_event_unref (ievent);
|
||||
goto done;
|
||||
}
|
||||
|
||||
if (!self->sent_segment) {
|
||||
gst_event_parse_seek (self->incoming_seek, &irate, &iformat, &iflags,
|
||||
&istart_type, &istart, &istop_type, &istop);
|
||||
gst_event_parse_seek (self->outgoing_seek, &orate, &oformat, &oflags,
|
||||
&ostart_type, &ostart, &ostop_type, &ostop);
|
||||
|
||||
if (istop == -1)
|
||||
istop = END_DATE;
|
||||
|
||||
if (self->incoming_segment->rate > 0)
|
||||
self->ts_offset = istart - ostart;
|
||||
else
|
||||
self->ts_offset = istop - ostop;
|
||||
|
||||
istart += self->incoming_segment->start - ostart;
|
||||
istop += self->incoming_segment->stop - ostop;
|
||||
|
||||
gst_segment_init (&self->segment, self->incoming_segment->format);
|
||||
|
||||
gst_segment_do_seek (&self->segment, self->incoming_segment->rate,
|
||||
self->incoming_segment->format, self->incoming_segment->flags,
|
||||
GST_SEEK_TYPE_SET, (guint64) istart, GST_SEEK_TYPE_SET, (guint64) istop,
|
||||
&update);
|
||||
|
||||
self->min_pts = istart;
|
||||
|
||||
ret = gst_event_new_segment (&self->segment);
|
||||
|
||||
self->sent_segment = TRUE;
|
||||
|
||||
gst_event_unref (ievent);
|
||||
|
||||
GST_ERROR ("Translated segment: %" GST_PTR_FORMAT ", ts_offset: %lu", ret,
|
||||
self->ts_offset);
|
||||
} else {
|
||||
ret = NULL;
|
||||
}
|
||||
|
||||
done:
|
||||
return ret;
|
||||
}
|
||||
|
||||
static void
|
||||
handle_segment_done (ReplayBin * self, GstPad * pad)
|
||||
{
|
||||
GstEvent *event;
|
||||
|
||||
if (self->remainder < INTERVAL) {
|
||||
self->remainder = 0;
|
||||
event = gst_event_new_eos ();
|
||||
gst_event_set_seqnum (event, gst_event_get_seqnum (self->incoming_seek));
|
||||
gst_pad_push_event (pad, event);
|
||||
} else {
|
||||
gint64 ustart, ustop;
|
||||
gint64 ostart, ostop;
|
||||
GstPad *target;
|
||||
GstStructure *s;
|
||||
|
||||
/* Signify the end of a contiguous section of recording */
|
||||
s = gst_structure_new ("GstNtpOffset",
|
||||
"ntp-offset", G_TYPE_UINT64, 0, "discont", G_TYPE_BOOLEAN, TRUE, NULL);
|
||||
|
||||
event = gst_event_new_custom (GST_EVENT_CUSTOM_DOWNSTREAM, s);
|
||||
|
||||
gst_pad_push_event (pad, event);
|
||||
|
||||
query_seekable (pad, &ustart, &ustop);
|
||||
|
||||
self->remainder -= INTERVAL;
|
||||
|
||||
if (self->incoming_segment->rate > 0) {
|
||||
ostart = 0;
|
||||
ostop = MIN (ustop, self->remainder);
|
||||
} else {
|
||||
ostart = MAX (ustop - self->remainder, 0);
|
||||
ostop = ustop;
|
||||
}
|
||||
|
||||
self->remainder = MAX (self->remainder - ostop - ostart, 0);
|
||||
|
||||
event =
|
||||
gst_event_new_seek (self->segment.rate, self->segment.format,
|
||||
self->segment.flags & ~GST_SEEK_FLAG_FLUSH, GST_SEEK_TYPE_SET, ostart,
|
||||
GST_SEEK_TYPE_SET, ostop);
|
||||
gst_event_set_seek_trickmode_interval (event, self->trickmode_interval);
|
||||
|
||||
if (self->incoming_segment->rate > 0)
|
||||
self->ts_offset += INTERVAL + ustop;
|
||||
else
|
||||
self->ts_offset -= INTERVAL + ustop;
|
||||
|
||||
GST_DEBUG ("New offset: %ld", self->ts_offset);
|
||||
|
||||
GST_DEBUG ("Seeking to %" GST_PTR_FORMAT, event);
|
||||
target = gst_ghost_pad_get_target (GST_GHOST_PAD (pad));
|
||||
gst_pad_send_event (target, event);
|
||||
gst_object_unref (target);
|
||||
}
|
||||
}
|
||||
|
||||
static GstPadProbeReturn
|
||||
replay_bin_event_probe (GstPad * pad, GstPadProbeInfo * info, gpointer unused)
|
||||
{
|
||||
ReplayBin *self = REPLAY_BIN (GST_OBJECT_PARENT (pad));
|
||||
GstPadProbeReturn ret = GST_PAD_PROBE_OK;
|
||||
|
||||
GST_DEBUG ("Probed %" GST_PTR_FORMAT, info->data);
|
||||
|
||||
switch (GST_EVENT_TYPE (info->data)) {
|
||||
case GST_EVENT_SEGMENT:
|
||||
{
|
||||
GstEvent *translated;
|
||||
|
||||
GST_DEBUG ("Probed segment %" GST_PTR_FORMAT, info->data);
|
||||
|
||||
translated = translate_segment (pad, GST_EVENT (info->data));
|
||||
if (translated)
|
||||
info->data = translated;
|
||||
else
|
||||
ret = GST_PAD_PROBE_HANDLED;
|
||||
|
||||
break;
|
||||
}
|
||||
case GST_EVENT_SEGMENT_DONE:
|
||||
{
|
||||
handle_segment_done (self, pad);
|
||||
ret = GST_PAD_PROBE_HANDLED;
|
||||
break;
|
||||
}
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static GstPadProbeReturn
|
||||
replay_bin_buffer_probe (GstPad * pad, GstPadProbeInfo * info, gpointer unused)
|
||||
{
|
||||
ReplayBin *self = REPLAY_BIN (GST_OBJECT_PARENT (pad));
|
||||
GstPadProbeReturn ret = GST_PAD_PROBE_OK;
|
||||
|
||||
if (GST_BUFFER_PTS (info->data) > self->incoming_segment->stop) {
|
||||
ret = GST_PAD_PROBE_DROP;
|
||||
goto done;
|
||||
}
|
||||
|
||||
if (GST_CLOCK_TIME_IS_VALID (GST_BUFFER_PTS (info->data)))
|
||||
GST_BUFFER_PTS (info->data) += self->ts_offset;
|
||||
if (GST_CLOCK_TIME_IS_VALID (GST_BUFFER_DTS (info->data)))
|
||||
GST_BUFFER_DTS (info->data) += self->ts_offset;
|
||||
|
||||
/*
|
||||
if (GST_BUFFER_PTS (info->data) < self->min_pts) {
|
||||
GST_ERROR ("Retimestamping for the greater good");
|
||||
GST_BUFFER_PTS (info->data) = self->min_pts;
|
||||
self->min_pts += 1;
|
||||
}
|
||||
*/
|
||||
|
||||
GST_LOG ("Pushing buffer %" GST_PTR_FORMAT, info->data);
|
||||
|
||||
done:
|
||||
return ret;
|
||||
}
|
||||
|
||||
static GstElement *
|
||||
create_replay_bin (GstElement * parent)
|
||||
{
|
||||
GstElement *ret, *src, *demux;
|
||||
GstPad *ghost;
|
||||
|
||||
ret = replay_bin_new ();
|
||||
if (!gst_bin_add (GST_BIN (parent), ret)) {
|
||||
gst_object_unref (ret);
|
||||
goto fail;
|
||||
}
|
||||
|
||||
MAKE_AND_ADD (src, ret, "filesrc", fail, NULL);
|
||||
MAKE_AND_ADD (demux, ret, "qtdemux", fail, NULL);
|
||||
|
||||
ghost = gst_ghost_pad_new_no_target ("src", GST_PAD_SRC);
|
||||
gst_element_add_pad (ret, ghost);
|
||||
|
||||
gst_pad_set_event_function (ghost, replay_bin_event_func);
|
||||
gst_pad_add_probe (ghost, GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM,
|
||||
replay_bin_event_probe, NULL, NULL);
|
||||
gst_pad_add_probe (ghost, GST_PAD_PROBE_TYPE_BUFFER, replay_bin_buffer_probe,
|
||||
NULL, NULL);
|
||||
gst_pad_set_query_function (ghost, replay_bin_query_func);
|
||||
|
||||
if (!gst_element_link (src, demux))
|
||||
goto fail;
|
||||
|
||||
g_object_set (src, "location", filename, NULL);
|
||||
g_signal_connect (demux, "pad-added", G_CALLBACK (demux_pad_added_cb), ghost);
|
||||
|
||||
done:
|
||||
return ret;
|
||||
|
||||
fail:
|
||||
ret = NULL;
|
||||
goto done;
|
||||
}
|
||||
|
||||
/* A simple factory to set up our replay bin */
|
||||
|
||||
G_DECLARE_FINAL_TYPE (OnvifFactory, onvif_factory, ONVIF, FACTORY,
|
||||
GstRTSPMediaFactory);
|
||||
|
||||
struct _OnvifFactory
|
||||
{
|
||||
GstRTSPMediaFactory parent;
|
||||
};
|
||||
|
||||
G_DEFINE_TYPE (OnvifFactory, onvif_factory, GST_TYPE_RTSP_MEDIA_FACTORY);
|
||||
|
||||
static void
|
||||
onvif_factory_init (OnvifFactory * factory)
|
||||
{
|
||||
}
|
||||
|
||||
static GstElement *
|
||||
onvif_factory_create_element (GstRTSPMediaFactory * factory,
|
||||
const GstRTSPUrl * url)
|
||||
{
|
||||
GstElement *replay_bin, *q1, *parse, *pay, *onvifts, *q2;
|
||||
GstElement *ret = gst_bin_new (NULL);
|
||||
GstElement *pbin = gst_bin_new ("pay0");
|
||||
GstPad *sinkpad, *srcpad;
|
||||
|
||||
if (!(replay_bin = create_replay_bin (ret)))
|
||||
goto fail;
|
||||
|
||||
MAKE_AND_ADD (q1, pbin, "queue", fail, NULL);
|
||||
MAKE_AND_ADD (parse, pbin, "h264parse", fail, NULL);
|
||||
MAKE_AND_ADD (pay, pbin, "rtph264pay", fail, NULL);
|
||||
MAKE_AND_ADD (onvifts, pbin, "rtponviftimestamp", fail, NULL);
|
||||
MAKE_AND_ADD (q2, pbin, "queue", fail, NULL);
|
||||
|
||||
gst_bin_add (GST_BIN (ret), pbin);
|
||||
|
||||
if (!gst_element_link_many (q1, parse, pay, onvifts, q2, NULL))
|
||||
goto fail;
|
||||
|
||||
sinkpad = gst_element_get_static_pad (q1, "sink");
|
||||
gst_element_add_pad (pbin, gst_ghost_pad_new ("sink", sinkpad));
|
||||
gst_object_unref (sinkpad);
|
||||
|
||||
if (!gst_element_link (replay_bin, pbin))
|
||||
goto fail;
|
||||
|
||||
srcpad = gst_element_get_static_pad (q2, "src");
|
||||
gst_element_add_pad (pbin, gst_ghost_pad_new ("src", srcpad));
|
||||
gst_object_unref (srcpad);
|
||||
|
||||
g_object_set (onvifts, "set-t-bit", TRUE, "set-e-bit", TRUE, "ntp-offset", 0,
|
||||
"drop-out-of-segment", FALSE, NULL);
|
||||
|
||||
gst_element_set_clock (onvifts, gst_system_clock_obtain ());
|
||||
|
||||
done:
|
||||
return ret;
|
||||
|
||||
fail:
|
||||
gst_object_unref (ret);
|
||||
ret = NULL;
|
||||
goto done;
|
||||
}
|
||||
|
||||
static void
|
||||
onvif_factory_class_init (OnvifFactoryClass * klass)
|
||||
{
|
||||
GstRTSPMediaFactoryClass *mf_class = GST_RTSP_MEDIA_FACTORY_CLASS (klass);
|
||||
|
||||
mf_class->create_element = onvif_factory_create_element;
|
||||
}
|
||||
|
||||
static GstRTSPMediaFactory *
|
||||
onvif_factory_new (void)
|
||||
{
|
||||
GstRTSPMediaFactory *result;
|
||||
|
||||
result =
|
||||
GST_RTSP_MEDIA_FACTORY (g_object_new (onvif_factory_get_type (), NULL));
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
int
|
||||
main (int argc, char *argv[])
|
||||
{
|
||||
GMainLoop *loop;
|
||||
GstRTSPServer *server;
|
||||
GstRTSPMountPoints *mounts;
|
||||
GstRTSPMediaFactory *factory;
|
||||
GOptionContext *optctx;
|
||||
GError *error = NULL;
|
||||
gchar *service;
|
||||
|
||||
optctx = g_option_context_new ("<filename.mp4> - ONVIF RTSP Server, MP4");
|
||||
g_option_context_add_group (optctx, gst_init_get_option_group ());
|
||||
if (!g_option_context_parse (optctx, &argc, &argv, &error)) {
|
||||
g_printerr ("Error parsing options: %s\n", error->message);
|
||||
g_option_context_free (optctx);
|
||||
g_clear_error (&error);
|
||||
return -1;
|
||||
}
|
||||
if (argc < 2) {
|
||||
g_print ("%s\n", g_option_context_get_help (optctx, TRUE, NULL));
|
||||
return 1;
|
||||
}
|
||||
filename = argv[1];
|
||||
g_option_context_free (optctx);
|
||||
|
||||
GST_DEBUG_CATEGORY_INIT (onvif_server_debug, "onvif-server", 0,
|
||||
"ONVIF server");
|
||||
|
||||
loop = g_main_loop_new (NULL, FALSE);
|
||||
|
||||
server = gst_rtsp_onvif_server_new ();
|
||||
|
||||
mounts = gst_rtsp_server_get_mount_points (server);
|
||||
|
||||
factory = onvif_factory_new ();
|
||||
gst_rtsp_media_factory_set_media_gtype (factory, GST_TYPE_RTSP_ONVIF_MEDIA);
|
||||
|
||||
gst_rtsp_mount_points_add_factory (mounts, "/test", factory);
|
||||
|
||||
g_object_unref (mounts);
|
||||
|
||||
gst_rtsp_server_attach (server, NULL);
|
||||
|
||||
service = gst_rtsp_server_get_service (server);
|
||||
g_print ("stream ready at rtsp://127.0.0.1:%s/test\n", service);
|
||||
g_free (service);
|
||||
g_main_loop_run (loop);
|
||||
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in a new issue