mirror of
https://github.com/morgan9e/UxPlay
synced 2026-04-14 00:04:13 +09:00
121 lines
3.7 KiB
C
121 lines
3.7 KiB
C
/**
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* RPiPlay - An open-source AirPlay mirroring server for Raspberry Pi
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* Copyright (C) 2019 Florian Draschbacher
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "video_renderer.h"
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#include <assert.h>
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#include <gst/gst.h>
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#include <gst/app/gstappsrc.h>
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#ifdef X_DISPLAY_FIX
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#include "x_display_fix.h"
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#endif
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struct video_renderer_s {
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logger_t *logger;
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GstElement *appsrc, *pipeline, *sink;
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};
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static gboolean check_plugins (void)
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{
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int i;
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gboolean ret;
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GstRegistry *registry;
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const gchar *needed[] = { "app", "libav", "playback", "autodetect", NULL};
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registry = gst_registry_get ();
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ret = TRUE;
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for (i = 0; i < g_strv_length ((gchar **) needed); i++) {
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GstPlugin *plugin;
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plugin = gst_registry_find_plugin (registry, needed[i]);
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if (!plugin) {
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g_print ("Required gstreamer plugin '%s' not found\n", needed[i]);
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ret = FALSE;
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continue;
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}
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gst_object_unref (plugin);
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}
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return ret;
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}
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video_renderer_t *video_renderer_init(logger_t *logger, const char *server_name) {
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video_renderer_t *renderer;
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GError *error = NULL;
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#ifdef X_DISPLAY_FIX
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get_x_display_root();
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g_set_application_name(server_name);
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#endif
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renderer = calloc(1, sizeof(video_renderer_t));
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assert(renderer);
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gst_init(NULL, NULL);
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renderer->logger = logger;
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assert(check_plugins ());
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renderer->pipeline = gst_parse_launch("appsrc name=video_source stream-type=0 format=GST_FORMAT_TIME is-live=true !"
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"queue ! decodebin ! videoconvert ! autovideosink name=video_sink sync=false", &error);
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g_assert (renderer->pipeline);
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renderer->appsrc = gst_bin_get_by_name (GST_BIN (renderer->pipeline), "video_source");
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renderer->sink = gst_bin_get_by_name (GST_BIN (renderer->pipeline), "video_sink");
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return renderer;
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}
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void video_renderer_start(video_renderer_t *renderer) {
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//g_signal_connect( renderer->pipeline, "deep-notify", G_CALLBACK(gst_object_default_deep_notify ), NULL );
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gst_element_set_state (renderer->pipeline, GST_STATE_PLAYING);
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}
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void video_renderer_render_buffer(video_renderer_t *renderer, raop_ntp_t *ntp, unsigned char* data, int data_len, uint64_t pts, int type) {
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GstBuffer *buffer;
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assert(data_len != 0);
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buffer = gst_buffer_new_and_alloc(data_len);
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assert(buffer != NULL);
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GST_BUFFER_DTS(buffer) = (GstClockTime)pts;
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gst_buffer_fill(buffer, 0, data, data_len);
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gst_app_src_push_buffer (GST_APP_SRC(renderer->appsrc), buffer);
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#ifdef X_DISPLAY_FIX
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fix_x_window_name();
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#endif
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}
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void video_renderer_flush(video_renderer_t *renderer) {
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}
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void video_renderer_destroy(video_renderer_t *renderer) {
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gst_app_src_end_of_stream (GST_APP_SRC(renderer->appsrc));
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gst_element_set_state (renderer->pipeline, GST_STATE_NULL);
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gst_object_unref (renderer->pipeline);
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if (renderer) {
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free(renderer);
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}
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}
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/* not implemented for gstreamer */
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void video_renderer_update_background(video_renderer_t *renderer, int type) {
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}
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