823 lines
33 KiB
C
823 lines
33 KiB
C
/**
|
|
* RPiPlay - An open-source AirPlay mirroring server for Raspberry Pi
|
|
* Copyright (C) 2019 Florian Draschbacher
|
|
* Modified for:
|
|
* UxPlay - An open-source AirPlay mirroring server
|
|
* Copyright (C) 2021-24 F. Duncanh
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/app/gstappsrc.h>
|
|
#include "video_renderer.h"
|
|
|
|
#define SECOND_IN_NSECS 1000000000UL
|
|
#ifdef X_DISPLAY_FIX
|
|
#include <gst/video/navigation.h>
|
|
#include "x_display_fix.h"
|
|
static bool fullscreen = false;
|
|
static bool alt_keypress = false;
|
|
static unsigned char X11_search_attempts;
|
|
#endif
|
|
|
|
static GstClockTime gst_video_pipeline_base_time = GST_CLOCK_TIME_NONE;
|
|
static logger_t *logger = NULL;
|
|
static unsigned short width, height, width_source, height_source; /* not currently used */
|
|
static bool first_packet = false;
|
|
static bool sync = false;
|
|
static bool auto_videosink = true;
|
|
static bool hls_video = false;
|
|
#ifdef X_DISPLAY_FIX
|
|
static bool use_x11 = false;
|
|
#endif
|
|
static bool logger_debug = false;
|
|
static bool video_terminate = false;
|
|
|
|
#define NCODECS 2 /* renderers for h264 and h265 */
|
|
|
|
struct video_renderer_s {
|
|
GstElement *appsrc, *pipeline;
|
|
GstBus *bus;
|
|
const char *codec;
|
|
bool autovideo, state_pending;
|
|
int id;
|
|
gboolean terminate;
|
|
gint64 duration;
|
|
gint buffering_level;
|
|
#ifdef X_DISPLAY_FIX
|
|
bool use_x11;
|
|
const char * server_name;
|
|
X11_Window_t * gst_window;
|
|
#endif
|
|
};
|
|
|
|
static video_renderer_t *renderer = NULL;
|
|
static video_renderer_t *renderer_type[NCODECS] = {0};
|
|
static int n_renderers = NCODECS;
|
|
static char h264[] = "h264";
|
|
static char h265[] = "h265";
|
|
static char hls[] = "hls";
|
|
|
|
static void append_videoflip (GString *launch, const videoflip_t *flip, const videoflip_t *rot) {
|
|
/* videoflip image transform */
|
|
switch (*flip) {
|
|
case INVERT:
|
|
switch (*rot) {
|
|
case LEFT:
|
|
g_string_append(launch, "videoflip video-direction=GST_VIDEO_ORIENTATION_90R ! ");
|
|
break;
|
|
case RIGHT:
|
|
g_string_append(launch, "videoflip video-direction=GST_VIDEO_ORIENTATION_90L ! ");
|
|
break;
|
|
default:
|
|
g_string_append(launch, "videoflip video-direction=GST_VIDEO_ORIENTATION_180 ! ");
|
|
break;
|
|
}
|
|
break;
|
|
case HFLIP:
|
|
switch (*rot) {
|
|
case LEFT:
|
|
g_string_append(launch, "videoflip video-direction=GST_VIDEO_ORIENTATION_UL_LR ! ");
|
|
break;
|
|
case RIGHT:
|
|
g_string_append(launch, "videoflip video-direction=GST_VIDEO_ORIENTATION_UR_LL ! ");
|
|
break;
|
|
default:
|
|
g_string_append(launch, "videoflip video-direction=GST_VIDEO_ORIENTATION_HORIZ ! ");
|
|
break;
|
|
}
|
|
break;
|
|
case VFLIP:
|
|
switch (*rot) {
|
|
case LEFT:
|
|
g_string_append(launch, "videoflip video-direction=GST_VIDEO_ORIENTATION_UR_LL ! ");
|
|
break;
|
|
case RIGHT:
|
|
g_string_append(launch, "videoflip video-direction=GST_VIDEO_ORIENTATION_UL_LR ! ");
|
|
break;
|
|
default:
|
|
g_string_append(launch, "videoflip video-direction=GST_VIDEO_ORIENTATION_VERT ! ");
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
switch (*rot) {
|
|
case LEFT:
|
|
g_string_append(launch, "videoflip video-direction=GST_VIDEO_ORIENTATION_90L ! ");
|
|
break;
|
|
case RIGHT:
|
|
g_string_append(launch, "videoflip video-direction=GST_VIDEO_ORIENTATION_90R ! ");
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* apple uses colorimetry=1:3:5:1 *
|
|
* (not recognized by v4l2 plugin in Gstreamer < 1.20.4) *
|
|
* See .../gst-libs/gst/video/video-color.h in gst-plugins-base *
|
|
* range = 1 -> GST_VIDEO_COLOR_RANGE_0_255 ("full RGB") *
|
|
* matrix = 3 -> GST_VIDEO_COLOR_MATRIX_BT709 *
|
|
* transfer = 5 -> GST_VIDEO_TRANSFER_BT709 *
|
|
* primaries = 1 -> GST_VIDEO_COLOR_PRIMARIES_BT709 *
|
|
* closest used by GStreamer < 1.20.4 is BT709, 2:3:5:1 with * *
|
|
* range = 2 -> GST_VIDEO_COLOR_RANGE_16_235 ("limited RGB") */
|
|
|
|
static const char h264_caps[]="video/x-h264,stream-format=(string)byte-stream,alignment=(string)au";
|
|
static const char h265_caps[]="video/x-h265,stream-format=(string)byte-stream,alignment=(string)au";
|
|
|
|
void video_renderer_size(float *f_width_source, float *f_height_source, float *f_width, float *f_height) {
|
|
width_source = (unsigned short) *f_width_source;
|
|
height_source = (unsigned short) *f_height_source;
|
|
width = (unsigned short) *f_width;
|
|
height = (unsigned short) *f_height;
|
|
logger_log(logger, LOGGER_DEBUG, "begin video stream wxh = %dx%d; source %dx%d", width, height, width_source, height_source);
|
|
}
|
|
|
|
GstElement *make_video_sink(const char *videosink, const char *videosink_options) {
|
|
/* used to build a videosink for playbin, using the user-specified string "videosink" */
|
|
GstElement *video_sink = gst_element_factory_make(videosink, "videosink");
|
|
if (!video_sink) {
|
|
return NULL;
|
|
}
|
|
|
|
/* process the video_sink_optons */
|
|
size_t len = strlen(videosink_options);
|
|
if (!len) {
|
|
return video_sink;
|
|
}
|
|
|
|
char *options = (char *) malloc(len + 1);
|
|
strncpy(options, videosink_options, len + 1);
|
|
|
|
/* remove any extension begining with "!" */
|
|
char *end = strchr(options, '!');
|
|
if (end) {
|
|
*end = '\0';
|
|
}
|
|
|
|
/* add any fullscreen options "property=pval" included in string videosink_options*/
|
|
/* OK to use strtok_r in Windows with MSYS2 (POSIX); use strtok_s for MSVC */
|
|
char *token;
|
|
char *text = options;
|
|
|
|
while((token = strtok_r(text, " ", &text))) {
|
|
char *pval = strchr(token, '=');
|
|
if (pval) {
|
|
*pval = '\0';
|
|
pval++;
|
|
const gchar *property_name = (const gchar *) token;
|
|
const gchar *value = (const gchar *) pval;
|
|
g_print("playbin_videosink property: \"%s\" \"%s\"\n", property_name, value);
|
|
gst_util_set_object_arg(G_OBJECT (video_sink), property_name, value);
|
|
}
|
|
}
|
|
free(options);
|
|
return video_sink;
|
|
}
|
|
|
|
void video_renderer_init(logger_t *render_logger, const char *server_name, videoflip_t videoflip[2], const char *parser,
|
|
const char *decoder, const char *converter, const char *videosink, const char *videosink_options,
|
|
bool initial_fullscreen, bool video_sync, bool h265_support, const char *uri, const char *default_image) {
|
|
GError *error = NULL;
|
|
GstCaps *caps = NULL;
|
|
hls_video = (uri != NULL);
|
|
/* videosink choices that are auto */
|
|
auto_videosink = (strstr(videosink, "autovideosink") || strstr(videosink, "fpsdisplaysink"));
|
|
|
|
logger = render_logger;
|
|
logger_debug = (logger_get_level(logger) >= LOGGER_DEBUG);
|
|
video_terminate = false;
|
|
|
|
/* this call to g_set_application_name makes server_name appear in the X11 display window title bar, */
|
|
/* (instead of the program name uxplay taken from (argv[0]). It is only set one time. */
|
|
|
|
const gchar *appname = g_get_application_name();
|
|
if (!appname || strcmp(appname,server_name)) g_set_application_name(server_name);
|
|
appname = NULL;
|
|
|
|
/* the renderer for hls video will only be built if a HLS uri is provided in
|
|
* the call to video_renderer_init, in which case the h264 and 265 mirror-mode
|
|
* renderers will not be built. This is because it appears that we cannot
|
|
* put playbin into GST_STATE_READY before knowing the uri (?), so cannot use a
|
|
* unified renderer structure with h264, h265 and hls */
|
|
if (hls_video) {
|
|
n_renderers = 1;
|
|
} else {
|
|
n_renderers = h265_support ? 2 : 1;
|
|
}
|
|
g_assert (n_renderers <= NCODECS);
|
|
for (int i = 0; i < n_renderers; i++) {
|
|
g_assert (i < 2);
|
|
renderer_type[i] = (video_renderer_t *) calloc(1, sizeof(video_renderer_t));
|
|
g_assert(renderer_type[i]);
|
|
renderer_type[i]->autovideo = auto_videosink;
|
|
renderer_type[i]->id = i;
|
|
renderer_type[i]->bus = NULL;
|
|
if (hls_video) {
|
|
/* use playbin3 to play HLS video: replace "playbin3" by "playbin" to use playbin2 */
|
|
renderer_type[i]->pipeline = gst_element_factory_make("playbin3", "hls-playbin3");
|
|
g_assert(renderer_type[i]->pipeline);
|
|
renderer_type[i]->appsrc = NULL;
|
|
renderer_type[i]->codec = hls;
|
|
/* if we are not using autovideosink, build a videossink based on the stricng "videosink" */
|
|
if(strcmp(videosink, "autovideosink")) {
|
|
GstElement *playbin_videosink = make_video_sink(videosink, videosink_options);
|
|
|
|
if (!playbin_videosink) {
|
|
logger_log(logger, LOGGER_ERR, "video_renderer_init: failed to create playbin_videosink");
|
|
} else {
|
|
logger_log(logger, LOGGER_DEBUG, "video_renderer_init: create playbin_videosink at %p", playbin_videosink);
|
|
g_object_set(G_OBJECT (renderer_type[i]->pipeline), "video-sink", playbin_videosink, NULL);
|
|
}
|
|
}
|
|
|
|
g_object_set (G_OBJECT (renderer_type[i]->pipeline), "uri", uri, NULL);
|
|
} else {
|
|
switch (i) {
|
|
case 0:
|
|
renderer_type[i]->codec = h264;
|
|
caps = gst_caps_from_string(h264_caps);
|
|
break;
|
|
case 1:
|
|
renderer_type[i]->codec = h265;
|
|
caps = gst_caps_from_string(h265_caps);
|
|
break;
|
|
default:
|
|
g_assert(0);
|
|
}
|
|
GString *launch = g_string_new("");
|
|
|
|
// Create input-selector and video sink
|
|
g_string_append(launch, "input-selector name=selector ! ");
|
|
g_string_append(launch, videosink);
|
|
g_string_append(launch, " name=");
|
|
g_string_append(launch, videosink);
|
|
g_string_append(launch, "_");
|
|
g_string_append(launch, renderer_type[i]->codec);
|
|
g_string_append(launch, videosink_options);
|
|
|
|
if (video_sync) {
|
|
g_string_append(launch, " sync=true");
|
|
sync = true;
|
|
} else {
|
|
g_string_append(launch, " sync=false");
|
|
sync = false;
|
|
}
|
|
// Add static image source branch
|
|
g_string_append_printf(launch, " filesrc location=%s ! jpegdec ! imagefreeze ! videoconvert ! videoscale ! queue ! selector.sink_0 ", default_image);
|
|
|
|
// Add video source branch
|
|
g_string_append(launch, " appsrc name=video_source ! ");
|
|
g_string_append(launch, "queue ! ");
|
|
g_string_append(launch, parser);
|
|
g_string_append(launch, " ! ");
|
|
g_string_append(launch, decoder);
|
|
g_string_append(launch, " ! ");
|
|
append_videoflip(launch, &videoflip[0], &videoflip[1]);
|
|
g_string_append(launch, converter);
|
|
g_string_append(launch, " ! ");
|
|
g_string_append(launch, "videoscale ! ");
|
|
g_string_append(launch, "queue ! ");
|
|
g_string_append(launch, "selector.sink_1 ");
|
|
|
|
if (!strcmp(renderer_type[i]->codec, h264)) {
|
|
char *pos = launch->str;
|
|
while ((pos = strstr(pos,h265))){
|
|
pos +=3;
|
|
*pos = '4';
|
|
}
|
|
} else if (!strcmp(renderer_type[i]->codec, h265)) {
|
|
char *pos = launch->str;
|
|
while ((pos = strstr(pos,h264))){
|
|
pos +=3;
|
|
*pos = '5';
|
|
}
|
|
}
|
|
|
|
logger_log(logger, LOGGER_INFO, "GStreamer video pipeline %d:\n\"%s\"", i + 1, launch->str);
|
|
renderer_type[i]->pipeline = gst_parse_launch(launch->str, &error);
|
|
if (error) {
|
|
g_error ("get_parse_launch error (video) :\n %s\n",error->message);
|
|
g_clear_error (&error);
|
|
}
|
|
g_assert (renderer_type[i]->pipeline);
|
|
|
|
GstClock *clock = gst_system_clock_obtain();
|
|
g_object_set(clock, "clock-type", GST_CLOCK_TYPE_REALTIME, NULL);
|
|
gst_pipeline_use_clock(GST_PIPELINE_CAST(renderer_type[i]->pipeline), clock);
|
|
renderer_type[i]->appsrc = gst_bin_get_by_name (GST_BIN (renderer_type[i]->pipeline), "video_source");
|
|
g_assert(renderer_type[i]->appsrc);
|
|
|
|
// Get the input-selector element
|
|
GstElement *selector = gst_bin_get_by_name(GST_BIN(renderer_type[i]->pipeline), "selector");
|
|
g_assert(selector);
|
|
|
|
// Set initial input to static image
|
|
g_object_set(selector, "active-pad", gst_element_get_static_pad(selector, "sink_0"), NULL);
|
|
gst_object_unref(selector);
|
|
|
|
g_object_set(renderer_type[i]->appsrc, "caps", caps, "stream-type", 0, "is-live", TRUE, "format", GST_FORMAT_TIME, NULL);
|
|
g_string_free(launch, TRUE);
|
|
gst_caps_unref(caps);
|
|
gst_object_unref(clock);
|
|
}
|
|
#ifdef X_DISPLAY_FIX
|
|
use_x11 = (strstr(videosink, "xvimagesink") || strstr(videosink, "ximagesink") || auto_videosink);
|
|
fullscreen = initial_fullscreen;
|
|
renderer_type[i]->server_name = server_name;
|
|
renderer_type[i]->gst_window = NULL;
|
|
renderer_type[i]->use_x11 = false;
|
|
X11_search_attempts = 0;
|
|
if (use_x11) {
|
|
if (i == 0) {
|
|
renderer_type[0]->gst_window = (X11_Window_t *) calloc(1, sizeof(X11_Window_t));
|
|
g_assert(renderer_type[0]->gst_window);
|
|
get_X11_Display(renderer_type[0]->gst_window);
|
|
if (renderer_type[0]->gst_window->display) {
|
|
renderer_type[i]->use_x11 = true;
|
|
} else {
|
|
free(renderer_type[0]->gst_window);
|
|
renderer_type[0]->gst_window = NULL;
|
|
}
|
|
} else if (renderer_type[0]->use_x11) {
|
|
renderer_type[i]->gst_window = (X11_Window_t *) calloc(1, sizeof(X11_Window_t));
|
|
g_assert(renderer_type[i]->gst_window);
|
|
memcpy(renderer_type[i]->gst_window, renderer_type[0]->gst_window, sizeof(X11_Window_t));
|
|
renderer_type[i]->use_x11 = true;
|
|
}
|
|
}
|
|
#endif
|
|
gst_element_set_state (renderer_type[i]->pipeline, GST_STATE_READY);
|
|
GstState state;
|
|
if (gst_element_get_state (renderer_type[i]->pipeline, &state, NULL, 100 * GST_MSECOND)) {
|
|
if (state == GST_STATE_READY) {
|
|
logger_log(logger, LOGGER_DEBUG, "Initialized GStreamer video renderer %d", i + 1);
|
|
if (hls_video && i == 0) {
|
|
renderer = renderer_type[i];
|
|
}
|
|
} else {
|
|
logger_log(logger, LOGGER_ERR, "Failed to initialize GStreamer video renderer %d", i + 1);
|
|
}
|
|
} else {
|
|
logger_log(logger, LOGGER_ERR, "Failed to initialize GStreamer video renderer %d", i + 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
void video_renderer_pause() {
|
|
if (!renderer) {
|
|
return;
|
|
}
|
|
logger_log(logger, LOGGER_DEBUG, "video renderer paused");
|
|
gst_element_set_state(renderer->pipeline, GST_STATE_PAUSED);
|
|
}
|
|
|
|
void video_renderer_resume() {
|
|
if (!renderer) {
|
|
return;
|
|
}
|
|
gst_element_set_state (renderer->pipeline, GST_STATE_PLAYING);
|
|
GstState state;
|
|
/* wait with timeout 100 msec for pipeline to change state from PAUSED to PLAYING */
|
|
gst_element_get_state(renderer->pipeline, &state, NULL, 100 * GST_MSECOND);
|
|
const gchar *state_name = gst_element_state_get_name(state);
|
|
logger_log(logger, LOGGER_DEBUG, "video renderer resumed: state %s", state_name);
|
|
if (renderer->appsrc) {
|
|
gst_video_pipeline_base_time = gst_element_get_base_time(renderer->appsrc);
|
|
}
|
|
}
|
|
|
|
void video_renderer_start() {
|
|
if (hls_video) {
|
|
renderer->bus = gst_element_get_bus(renderer->pipeline);
|
|
gst_element_set_state (renderer->pipeline, GST_STATE_PLAYING);
|
|
return;
|
|
}
|
|
/* when not hls, start both h264 and h265 pipelines; will shut down the "wrong" one when we know the codec */
|
|
for (int i = 0; i < n_renderers; i++) {
|
|
gst_element_set_state (renderer_type[i]->pipeline, GST_STATE_PLAYING);
|
|
if (renderer_type[i]->appsrc) {
|
|
gst_video_pipeline_base_time = gst_element_get_base_time(renderer_type[i]->appsrc);
|
|
}
|
|
renderer_type[i]->bus = gst_element_get_bus(renderer_type[i]->pipeline);
|
|
}
|
|
renderer = NULL;
|
|
first_packet = true;
|
|
#ifdef X_DISPLAY_FIX
|
|
X11_search_attempts = 0;
|
|
#endif
|
|
}
|
|
|
|
/* used to find any X11 Window used by the playbin (HLS) pipeline after it starts playing.
|
|
* if use_x11 is true, called every 100 ms after playbin state is READY until the x11 window is found*/
|
|
bool waiting_for_x11_window() {
|
|
if (!hls_video) {
|
|
return false;
|
|
}
|
|
#ifdef X_DISPLAY_FIX
|
|
if (use_x11 && renderer->gst_window) {
|
|
get_x_window(renderer->gst_window, renderer->server_name);
|
|
if (!renderer->gst_window->window) {
|
|
return true; /* window still not found */
|
|
}
|
|
}
|
|
#endif
|
|
return false;
|
|
}
|
|
|
|
void video_renderer_render_buffer(unsigned char* data, int *data_len, int *nal_count, uint64_t *ntp_time) {
|
|
GstBuffer *buffer;
|
|
GstClockTime pts = (GstClockTime) *ntp_time; /*now in nsecs */
|
|
//GstClockTimeDiff latency = GST_CLOCK_DIFF(gst_element_get_current_clock_time (renderer->appsrc), pts);
|
|
if (sync) {
|
|
if (pts >= gst_video_pipeline_base_time) {
|
|
pts -= gst_video_pipeline_base_time;
|
|
} else {
|
|
logger_log(logger, LOGGER_ERR, "*** invalid ntp_time < gst_video_pipeline_base_time\n%8.6f ntp_time\n%8.6f base_time",
|
|
((double) *ntp_time) / SECOND_IN_NSECS, ((double) gst_video_pipeline_base_time) / SECOND_IN_NSECS);
|
|
return;
|
|
}
|
|
}
|
|
g_assert(data_len != 0);
|
|
/* first four bytes of valid h264 video data are 0x00, 0x00, 0x00, 0x01. *
|
|
* nal_count is the number of NAL units in the data: short SPS, PPS, SEI NALs *
|
|
* may precede a VCL NAL. Each NAL starts with 0x00 0x00 0x00 0x01 and is *
|
|
* byte-aligned: the first byte of invalid data (decryption failed) is 0x01 */
|
|
if (data[0]) {
|
|
logger_log(logger, LOGGER_ERR, "*** ERROR decryption of video packet failed ");
|
|
} else {
|
|
if (first_packet) {
|
|
logger_log(logger, LOGGER_INFO, "Begin streaming to GStreamer video pipeline");
|
|
first_packet = false;
|
|
// Switch to video source when first valid frame is received
|
|
video_renderer_switch_source(true);
|
|
}
|
|
buffer = gst_buffer_new_allocate(NULL, *data_len, NULL);
|
|
g_assert(buffer != NULL);
|
|
//g_print("video latency %8.6f\n", (double) latency / SECOND_IN_NSECS);
|
|
if (sync) {
|
|
GST_BUFFER_PTS(buffer) = pts;
|
|
}
|
|
gst_buffer_fill(buffer, 0, data, *data_len);
|
|
gst_app_src_push_buffer (GST_APP_SRC(renderer->appsrc), buffer);
|
|
#ifdef X_DISPLAY_FIX
|
|
if (renderer->gst_window && !(renderer->gst_window->window) && renderer->use_x11) {
|
|
X11_search_attempts++;
|
|
logger_log(logger, LOGGER_DEBUG, "Looking for X11 UxPlay Window, attempt %d", (int) X11_search_attempts);
|
|
get_x_window(renderer->gst_window, renderer->server_name);
|
|
if (renderer->gst_window->window) {
|
|
logger_log(logger, LOGGER_INFO, "\n*** X11 Windows: Use key F11 or (left Alt)+Enter to toggle full-screen mode\n");
|
|
if (fullscreen) {
|
|
set_fullscreen(renderer->gst_window, &fullscreen);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void video_renderer_flush() {
|
|
}
|
|
|
|
void video_renderer_stop() {
|
|
if (renderer) {
|
|
if (renderer->appsrc) {
|
|
gst_app_src_end_of_stream (GST_APP_SRC(renderer->appsrc));
|
|
// Switch back to static image when video is stopped
|
|
video_renderer_switch_source(false);
|
|
}
|
|
gst_element_set_state (renderer->pipeline, GST_STATE_NULL);
|
|
//gst_element_set_state (renderer->playbin, GST_STATE_NULL);
|
|
}
|
|
}
|
|
|
|
static void video_renderer_destroy_h26x(video_renderer_t *renderer) {
|
|
if (renderer) {
|
|
GstState state;
|
|
gst_element_get_state(renderer->pipeline, &state, NULL, 100 * GST_MSECOND);
|
|
if (state != GST_STATE_NULL) {
|
|
if (!hls_video) {
|
|
gst_app_src_end_of_stream (GST_APP_SRC(renderer->appsrc));
|
|
}
|
|
gst_element_set_state (renderer->pipeline, GST_STATE_NULL);
|
|
}
|
|
gst_object_unref(renderer->bus);
|
|
if (renderer->appsrc) {
|
|
gst_object_unref (renderer->appsrc);
|
|
}
|
|
gst_object_unref (renderer->pipeline);
|
|
#ifdef X_DISPLAY_FIX
|
|
if (renderer->gst_window) {
|
|
free(renderer->gst_window);
|
|
renderer->gst_window = NULL;
|
|
}
|
|
#endif
|
|
free (renderer);
|
|
renderer = NULL;
|
|
}
|
|
}
|
|
|
|
void video_renderer_destroy() {
|
|
for (int i = 0; i < n_renderers; i++) {
|
|
if (renderer_type[i]) {
|
|
video_renderer_destroy_h26x(renderer_type[i]);
|
|
}
|
|
}
|
|
}
|
|
|
|
gboolean gstreamer_pipeline_bus_callback(GstBus *bus, GstMessage *message, void *loop) {
|
|
|
|
/* identify which pipeline sent the message */
|
|
int type = -1;
|
|
for (int i = 0 ; i < n_renderers ; i ++ ) {
|
|
if (renderer_type[i]->bus == bus) {
|
|
type = i;
|
|
break;
|
|
}
|
|
}
|
|
g_assert(type != -1);
|
|
|
|
if (logger_debug) {
|
|
g_print("GStreamer %s bus message: %s %s\n", renderer_type[type]->codec, GST_MESSAGE_SRC_NAME(message), GST_MESSAGE_TYPE_NAME(message));
|
|
}
|
|
|
|
if (logger_debug && hls_video) {
|
|
gint64 pos;
|
|
gst_element_query_position (renderer_type[type]->pipeline, GST_FORMAT_TIME, &pos);
|
|
if (GST_CLOCK_TIME_IS_VALID(pos)) {
|
|
g_print("GStreamer bus message %s %s; position: %" GST_TIME_FORMAT "\n", GST_MESSAGE_SRC_NAME(message),
|
|
GST_MESSAGE_TYPE_NAME(message), GST_TIME_ARGS(pos));
|
|
} else {
|
|
g_print("GStreamer bus message %s %s; position: none\n", GST_MESSAGE_SRC_NAME(message),
|
|
GST_MESSAGE_TYPE_NAME(message));
|
|
}
|
|
}
|
|
|
|
switch (GST_MESSAGE_TYPE (message)) {
|
|
case GST_MESSAGE_DURATION:
|
|
renderer_type[type]->duration = GST_CLOCK_TIME_NONE;
|
|
break;
|
|
case GST_MESSAGE_BUFFERING:
|
|
if (hls_video) {
|
|
gint percent = -1;
|
|
gst_message_parse_buffering(message, &percent);
|
|
if (percent >= 0) {
|
|
renderer_type[type]->buffering_level = percent;
|
|
logger_log(logger, LOGGER_DEBUG, "Buffering :%u percent done", percent);
|
|
if (percent < 100) {
|
|
gst_element_set_state (renderer_type[type]->pipeline, GST_STATE_PAUSED);
|
|
} else {
|
|
gst_element_set_state (renderer_type[type]->pipeline, GST_STATE_PLAYING);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case GST_MESSAGE_ERROR: {
|
|
GError *err;
|
|
gchar *debug;
|
|
gboolean flushing;
|
|
gst_message_parse_error (message, &err, &debug);
|
|
logger_log(logger, LOGGER_INFO, "GStreamer error: %s %s", GST_MESSAGE_SRC_NAME(message),err->message);
|
|
if (!hls_video && strstr(err->message,"Internal data stream error")) {
|
|
logger_log(logger, LOGGER_INFO,
|
|
"*** This is a generic GStreamer error that usually means that GStreamer\n"
|
|
"*** was unable to construct a working video pipeline.\n\n"
|
|
"*** If you are letting the default autovideosink select the videosink,\n"
|
|
"*** GStreamer may be trying to use non-functional hardware h264 video decoding.\n"
|
|
"*** Try using option -avdec to force software decoding or use -vs <videosink>\n"
|
|
"*** to select a videosink of your choice (see \"man uxplay\").\n\n"
|
|
"*** Raspberry Pi models 4B and earlier using Video4Linux2 may need \"-bt709\" uxplay option");
|
|
}
|
|
g_error_free (err);
|
|
g_free (debug);
|
|
if (renderer_type[type]->appsrc) {
|
|
gst_app_src_end_of_stream (GST_APP_SRC(renderer_type[type]->appsrc));
|
|
}
|
|
gst_bus_set_flushing(bus, TRUE);
|
|
gst_element_set_state (renderer_type[type]->pipeline, GST_STATE_READY);
|
|
renderer_type[type]->terminate = TRUE;
|
|
g_main_loop_quit( (GMainLoop *) loop);
|
|
break;
|
|
}
|
|
case GST_MESSAGE_EOS:
|
|
/* end-of-stream */
|
|
logger_log(logger, LOGGER_INFO, "GStreamer: End-Of-Stream");
|
|
if (hls_video) {
|
|
gst_bus_set_flushing(bus, TRUE);
|
|
gst_element_set_state (renderer_type[type]->pipeline, GST_STATE_READY);
|
|
renderer_type[type]->terminate = TRUE;
|
|
g_main_loop_quit( (GMainLoop *) loop);
|
|
}
|
|
break;
|
|
case GST_MESSAGE_STATE_CHANGED:
|
|
if (renderer_type[type]->state_pending && strstr(GST_MESSAGE_SRC_NAME(message), "pipeline")) {
|
|
GstState state;
|
|
gst_element_get_state(renderer_type[type]->pipeline, &state, NULL, 100 * GST_MSECOND);
|
|
if (state == GST_STATE_NULL) {
|
|
gst_element_set_state(renderer_type[type]->pipeline, GST_STATE_PLAYING);
|
|
} else if (state == GST_STATE_PLAYING) {
|
|
renderer_type[type]->state_pending = false;
|
|
}
|
|
}
|
|
if (renderer_type[type]->autovideo) {
|
|
char *sink = strstr(GST_MESSAGE_SRC_NAME(message), "-actual-sink-");
|
|
if (sink) {
|
|
sink += strlen("-actual-sink-");
|
|
if (strstr(GST_MESSAGE_SRC_NAME(message), renderer_type[type]->codec)) {
|
|
logger_log(logger, LOGGER_DEBUG, "GStreamer: automatically-selected videosink"
|
|
" (renderer %d: %s) is \"%ssink\"", renderer_type[type]->id + 1,
|
|
renderer_type[type]->codec, sink);
|
|
#ifdef X_DISPLAY_FIX
|
|
renderer_type[type]->use_x11 = (strstr(sink, "ximage") || strstr(sink, "xvimage"));
|
|
#endif
|
|
renderer_type[type]->autovideo = false;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
#ifdef X_DISPLAY_FIX
|
|
case GST_MESSAGE_ELEMENT:
|
|
if (renderer_type[type]->gst_window && renderer_type[type]->gst_window->window) {
|
|
GstNavigationMessageType message_type = gst_navigation_message_get_type (message);
|
|
if (message_type == GST_NAVIGATION_MESSAGE_EVENT) {
|
|
GstEvent *event = NULL;
|
|
if (gst_navigation_message_parse_event (message, &event)) {
|
|
GstNavigationEventType event_type = gst_navigation_event_get_type (event);
|
|
const gchar *key;
|
|
switch (event_type) {
|
|
case GST_NAVIGATION_EVENT_KEY_PRESS:
|
|
if (gst_navigation_event_parse_key_event (event, &key)) {
|
|
if ((strcmp (key, "F11") == 0) || (alt_keypress && strcmp (key, "Return") == 0)) {
|
|
fullscreen = !(fullscreen);
|
|
set_fullscreen(renderer_type[type]->gst_window, &fullscreen);
|
|
} else if (strcmp (key, "Alt_L") == 0) {
|
|
alt_keypress = true;
|
|
}
|
|
}
|
|
break;
|
|
case GST_NAVIGATION_EVENT_KEY_RELEASE:
|
|
if (gst_navigation_event_parse_key_event (event, &key)) {
|
|
if (strcmp (key, "Alt_L") == 0) {
|
|
alt_keypress = false;
|
|
}
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
if (event) {
|
|
gst_event_unref (event);
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
#endif
|
|
default:
|
|
/* unhandled message */
|
|
break;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
void video_renderer_choose_codec (bool video_is_h265) {
|
|
g_assert(!hls_video);
|
|
/* set renderer to h264 or h265, depending on pps/sps received by raop_rtp_mirror */
|
|
video_renderer_t *renderer_new = video_is_h265 ? renderer_type[1] : renderer_type[0];
|
|
if (renderer == renderer_new) {
|
|
return;
|
|
}
|
|
video_renderer_t *renderer_prev = renderer;
|
|
renderer = renderer_new;
|
|
gst_video_pipeline_base_time = gst_element_get_base_time(renderer->appsrc);
|
|
/* it seems unlikely that the codec will change between h264 and h265 during a connection,
|
|
* but in case it does, we set the previous renderer to GST_STATE_NULL, detect
|
|
* when this is finished by listening for the bus message, and then reset it to
|
|
* GST_STATE_READY, so it can be reused if the codec changes again. */
|
|
if (renderer_prev) {
|
|
gst_app_src_end_of_stream (GST_APP_SRC(renderer_prev->appsrc));
|
|
gst_bus_set_flushing(renderer_prev->bus, TRUE);
|
|
/* set state of previous renderer to GST_STATE_NULL to (hopefully?) close its video window */
|
|
gst_element_set_state (renderer_prev->pipeline, GST_STATE_NULL);
|
|
renderer_prev->state_pending = true; // will set state to PLAYING once state is NULL
|
|
}
|
|
}
|
|
|
|
unsigned int video_reset_callback(void * loop) {
|
|
if (video_terminate) {
|
|
video_terminate = false;
|
|
if (renderer->appsrc) {
|
|
gst_app_src_end_of_stream (GST_APP_SRC(renderer->appsrc));
|
|
}
|
|
gboolean flushing = TRUE;
|
|
gst_bus_set_flushing(renderer->bus, flushing);
|
|
gst_element_set_state (renderer->pipeline, GST_STATE_NULL);
|
|
g_main_loop_quit( (GMainLoop *) loop);
|
|
}
|
|
return (unsigned int) TRUE;
|
|
}
|
|
|
|
bool video_get_playback_info(double *duration, double *position, float *rate) {
|
|
gint64 pos = 0;
|
|
GstState state;
|
|
*duration = 0.0;
|
|
*position = -1.0;
|
|
*rate = 0.0f;
|
|
if (!renderer) {
|
|
|
|
return true;
|
|
}
|
|
gst_element_get_state(renderer->pipeline, &state, NULL, 0);
|
|
*rate = 0.0f;
|
|
switch (state) {
|
|
case GST_STATE_PLAYING:
|
|
*rate = 1.0f;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (!GST_CLOCK_TIME_IS_VALID(renderer->duration)) {
|
|
if (!gst_element_query_duration (renderer->pipeline, GST_FORMAT_TIME, &renderer->duration)) {
|
|
return true;
|
|
}
|
|
}
|
|
*duration = ((double) renderer->duration) / GST_SECOND;
|
|
if (*duration) {
|
|
if (gst_element_query_position (renderer->pipeline, GST_FORMAT_TIME, &pos) &&
|
|
GST_CLOCK_TIME_IS_VALID(pos)) {
|
|
*position = ((double) pos) / GST_SECOND;
|
|
}
|
|
}
|
|
|
|
logger_log(logger, LOGGER_DEBUG, "********* video_get_playback_info: position %" GST_TIME_FORMAT " duration %" GST_TIME_FORMAT " %s *********",
|
|
GST_TIME_ARGS (pos), GST_TIME_ARGS (renderer->duration), gst_element_state_get_name(state));
|
|
|
|
return true;
|
|
}
|
|
|
|
void video_renderer_seek(float position) {
|
|
double pos = (double) position;
|
|
pos *= GST_SECOND;
|
|
gint64 seek_position = (gint64) pos;
|
|
seek_position = seek_position < 1000 ? 1000 : seek_position;
|
|
seek_position = seek_position > renderer->duration - 1000 ? renderer->duration - 1000: seek_position;
|
|
g_print("SCRUB: seek to %f secs = %" GST_TIME_FORMAT ", duration = %" GST_TIME_FORMAT "\n", position,
|
|
GST_TIME_ARGS(seek_position), GST_TIME_ARGS(renderer->duration));
|
|
gboolean result = gst_element_seek_simple(renderer->pipeline, GST_FORMAT_TIME,
|
|
(GstSeekFlags)(GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT),
|
|
seek_position);
|
|
if (result) {
|
|
g_print("seek succeeded\n");
|
|
gst_element_set_state (renderer->pipeline, GST_STATE_PLAYING);
|
|
} else {
|
|
g_print("seek failed\n");
|
|
}
|
|
}
|
|
|
|
unsigned int video_renderer_listen(void *loop, int id) {
|
|
g_assert(id >= 0 && id < n_renderers);
|
|
return (unsigned int) gst_bus_add_watch(renderer_type[id]->bus,(GstBusFunc)
|
|
gstreamer_pipeline_bus_callback, (gpointer) loop);
|
|
}
|
|
|
|
void video_renderer_switch_source(bool use_video) {
|
|
if (!renderer || hls_video) {
|
|
return;
|
|
}
|
|
|
|
GstElement *selector = gst_bin_get_by_name(GST_BIN(renderer->pipeline), "selector");
|
|
if (!selector) {
|
|
logger_log(logger, LOGGER_ERR, "Failed to get input-selector element");
|
|
return;
|
|
}
|
|
|
|
// Switch to video source (sink_1) or static image (sink_0)
|
|
GstPad *pad = gst_element_get_static_pad(selector, use_video ? "sink_1" : "sink_0");
|
|
if (!pad) {
|
|
logger_log(logger, LOGGER_ERR, "Failed to get pad for %s", use_video ? "video source" : "static image");
|
|
gst_object_unref(selector);
|
|
return;
|
|
}
|
|
|
|
g_object_set(selector, "active-pad", pad, NULL);
|
|
gst_object_unref(pad);
|
|
gst_object_unref(selector);
|
|
|
|
logger_log(logger, LOGGER_INFO, "Switched to %s source", use_video ? "video" : "PlaceHold image");
|
|
}
|