ekko/uxplayer
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

初始提交

Browse Source
This commit is contained in:
Ekko.bao
2025-05-03 16:24:47 +08:00
parent 56f7490d00
commit cfb9d12f3c
692 changed files with 37004 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

86
renderers/CMakeLists.txt Normal file
View File

@ -0,0 +1,86 @@
cmake_minimum_required(VERSION 3.5)
if (APPLE )
set( ENV{PKG_CONFIG_PATH} "/Library/FrameWorks/GStreamer.framework/Libraries/pkgconfig" ) # GStreamer.framework, preferred
set( ENV{PKG_CONFIG_PATH} "$ENV{PKG_CONFIG_PATH}:/usr/local/lib/pkgconfig" ) # Brew or self-installed gstreamer
set( ENV{PKG_CONFIG_PATH} "$ENV{PKG_CONFIG_PATH}:/opt/homebrew/lib/pkgconfig" ) # Brew, M1/M2 macs
set( ENV{PKG_CONFIG_PATH} "$ENV{PKG_CONFIG_PATH}:$ENV{HOMEBREW_PREFIX}/lib/pkgconfig" ) # Brew, using prefix
set( ENV{PKG_CONFIG_PATH} "$ENV{PKG_CONFIG_PATH}:/opt/local/lib/pkgconfig/" ) # MacPorts
message( "PKG_CONFIG_PATH (Apple, renderers) = " $ENV{PKG_CONFIG_PATH} )
find_program( PKG_CONFIG_EXECUTABLE pkg-config PATHS /Library/FrameWorks/GStreamer.framework/Commands )
set(PKG_CONFIG_EXECUTABLE ${PKG_CONFIG_EXECUTABLE} --define-prefix )
else()
if ( DEFINED ENV{GSTREAMER_ROOT_DIR} )
if ( EXISTS "$ENV{GSTREAMER_ROOT_DIR}/pkgconfig" )
message ( STATUS "*** Using GSTREAMER_ROOT_DIR = " $ENV{GSTREAMER_ROOT_DIR} )
set( ENV{PKG_CONFIG_PATH} "$ENV{GSTREAMER_ROOT_DIR}/pkgconfig:$ENV{PKG_CONFIG_PATH}" )
endif()
endif()
set( ENV{PKG_CONFIG_PATH} "$ENV{PKG_CONFIG_PATH}:/usr/local/lib/pkgconfig" ) # standard location for self-installed gstreamer
endif()
find_package( PkgConfig REQUIRED )
if ( X11_FOUND )
message (STATUS "Will use X_DISPLAY_FIX" )
add_definitions( -DX_DISPLAY_FIX )
pkg_check_modules (GST120 gstreamer-1.0>=1.20)
if ( GST120_FOUND )
message( "-- ZOOMFIX will NOT be applied as Gstreamer version is >= 1.20" )
else()
message( "-- Failure to find Gstreamer >= 1.20 is NOT an error!" )
message( "-- ZOOMFIX will be applied as Gstreamer version is < 1.20" )
add_definitions( -DZOOM_WINDOW_NAME_FIX )
endif()
endif()
pkg_check_modules(GST REQUIRED gstreamer-1.0>=1.4
gstreamer-sdp-1.0>=1.4
gstreamer-video-1.0>=1.4
gstreamer-app-1.0>=1.4
)
add_library( renderers
STATIC
audio_renderer.c
video_renderer.c )
target_link_libraries ( renderers PUBLIC airplay )
# hacks to fix cmake confusion due to links in path with macOS FrameWorks
if( GST_INCLUDE_DIRS MATCHES "/Library/FrameWorks/GStreamer.framework/include" )
set( GST_INCLUDE_DIRS "/Library/FrameWorks/GStreamer.framework/Headers")
message( STATUS "GST_INCLUDE_DIRS" ${GST_INCLUDE_DIRS} )
# fix to use -DGST_MACOS for "Official" GStreamer >= 1.22 packages
pkg_check_modules ( GST122 gstreamer-1.0>=1.22 )
if ( GST122_FOUND )
set( GST_MACOS "1" CACHE STRING "define GST_MACOS in uxplay.cpp" )
endif()
endif()
# set GST_MACOS for all Apple when GStreamer >= 1.24
if ( APPLE AND NOT GST_MACOS )
pkg_check_modules ( GST124 gstreamer-1.0>=1.24 )
if ( GST124_FOUND )
set( GST_MACOS "1" CACHE STRING "define GST_MACOS in uxplay.cpp" )
endif()
endif()
target_include_directories ( renderers PUBLIC ${GST_INCLUDE_DIRS} )
if( GST_LIBRARY_DIRS MATCHES "/Library/FrameWorks/GStreamer.framework/lib" )
set( GST_LIBRARY_DIRS "/Library/FrameWorks/GStreamer.framework/Libraries")
message( STATUS "GST_LIBRARY_DIRS" ${GST_LIBRARY_DIRS} )
target_link_libraries( renderers PUBLIC ${GST_LIBRARIES} )
if( CMAKE_VERSION VERSION_LESS "3.13" )
message( FATAL_ERROR "This macOS build needs cmake >= 3.13" )
endif()
target_link_directories ( renderers PUBLIC ${GST_LIBRARY_DIRS} )
elseif( CMAKE_VERSION VERSION_LESS "3.12" )
target_link_libraries ( renderers PUBLIC ${GST_LIBRARIES} )
else()
target_link_libraries( renderers PUBLIC ${GST_LINK_LIBRARIES} )
endif()

378
renderers/audio_renderer.c Normal file
View File

@ -0,0 +1,378 @@
/**
* 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) 2021-23 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 <math.h>
#include <gst/gst.h>
#include <gst/app/gstappsrc.h>
#include "audio_renderer.h"
#define SECOND_IN_NSECS 1000000000UL
#define NFORMATS 2 /* set to 4 to enable AAC_LD and PCM: allowed, but never seen in real-world use */
static GstClockTime gst_audio_pipeline_base_time = GST_CLOCK_TIME_NONE;
static logger_t *logger = NULL;
const char * format[NFORMATS];
static const gchar *avdec_aac = "avdec_aac";
static const gchar *avdec_alac = "avdec_alac";
static gboolean aac = FALSE;
static gboolean alac = FALSE;
static gboolean render_audio = FALSE;
static gboolean async = FALSE;
static gboolean vsync = FALSE;
static gboolean sync = FALSE;
typedef struct audio_renderer_s {
GstElement *appsrc;
GstElement *pipeline;
GstElement *volume;
unsigned char ct;
} audio_renderer_t ;
static audio_renderer_t *renderer_type[NFORMATS];
static audio_renderer_t *renderer = NULL;
/* GStreamer Caps strings for Airplay-defined audio compression types (ct) */
/* ct = 1; linear PCM (uncompressed): 44100/16/2, S16LE */
static const char lpcm_caps[]="audio/x-raw,rate=(int)44100,channels=(int)2,format=S16LE,layout=interleaved";
/* ct = 2; codec_data is ALAC magic cookie: 44100/16/2 spf = 352 */
static const char alac_caps[] = "audio/x-alac,mpegversion=(int)4,channnels=(int)2,rate=(int)44100,stream-format=raw,codec_data=(buffer)"
"00000024""616c6163""00000000""00000160""0010280a""0e0200ff""00000000""00000000""0000ac44";
/* ct = 4; codec_data from MPEG v4 ISO 14996-3 Section 1.6.2.1: AAC-LC 44100/2 spf = 1024 */
static const char aac_lc_caps[] ="audio/mpeg,mpegversion=(int)4,channnels=(int)2,rate=(int)44100,stream-format=raw,codec_data=(buffer)1210";
/* ct = 8; codec_data from MPEG v4 ISO 14996-3 Section 1.6.2.1: AAC_ELD 44100/2 spf = 480 */
static const char aac_eld_caps[] ="audio/mpeg,mpegversion=(int)4,channnels=(int)2,rate=(int)44100,stream-format=raw,codec_data=(buffer)f8e85000";
static gboolean check_plugins (void)
{
gboolean ret;
GstRegistry *registry;
const gchar *needed[] = { "app", "libav", "playback", "autodetect", "videoparsersbad", NULL};
const gchar *gst[] = {"plugins-base", "libav", "plugins-base", "plugins-good", "plugins-bad", NULL};
registry = gst_registry_get ();
ret = TRUE;
for (int i = 0; i < g_strv_length ((gchar **) needed); i++) {
GstPlugin *plugin;
plugin = gst_registry_find_plugin (registry, needed[i]);
if (!plugin) {
g_print ("Required gstreamer plugin '%s' not found\n"
"Missing plugin is contained in '[GStreamer 1.x]-%s'\n",needed[i], gst[i]);
ret = FALSE;
continue;
}
gst_object_unref (plugin);
plugin = NULL;
}
if (ret == FALSE) {
g_print ("\nif the plugin is installed, but not found, your gstreamer registry may have been corrupted.\n"
"to rebuild it when gstreamer next starts, clear your gstreamer cache with:\n"
"\"rm -rf ~/.cache/gstreamer-1.0\"\n\n");
}
return ret;
}
static gboolean check_plugin_feature (const gchar *needed_feature)
{
gboolean ret;
GstPluginFeature *plugin_feature;
GstRegistry *registry = gst_registry_get ();
ret = TRUE;
plugin_feature = gst_registry_find_feature (registry, needed_feature, GST_TYPE_ELEMENT_FACTORY);
if (!plugin_feature) {
g_print ("Required gstreamer libav plugin feature '%s' not found:\n\n"
"This may be missing because the FFmpeg package used by GStreamer-1.x-libav is incomplete.\n"
"(Some distributions provide an incomplete FFmpeg due to License or Patent issues:\n"
"in such cases a complete version for that distribution is usually made available elsewhere)\n",
needed_feature);
ret = FALSE;
} else {
gst_object_unref (plugin_feature);
plugin_feature = NULL;
}
if (ret == FALSE) {
g_print ("\nif the plugin feature is installed, but not found, your gstreamer registry may have been corrupted.\n"
"to rebuild it when gstreamer next starts, clear your gstreamer cache with:\n"
"\"rm -rf ~/.cache/gstreamer-1.0\"\n\n");
}
return ret;
}
bool gstreamer_init(){
gst_init(NULL,NULL);
return (bool) check_plugins ();
}
void audio_renderer_init(logger_t *render_logger, const char* audiosink, const bool* audio_sync, const bool* video_sync) {
GError *error = NULL;
GstCaps *caps = NULL;
GstClock *clock = gst_system_clock_obtain();
g_object_set(clock, "clock-type", GST_CLOCK_TYPE_REALTIME, NULL);
logger = render_logger;
aac = check_plugin_feature (avdec_aac);
alac = check_plugin_feature (avdec_alac);
for (int i = 0; i < NFORMATS ; i++) {
renderer_type[i] = (audio_renderer_t *) calloc(1,sizeof(audio_renderer_t));
g_assert(renderer_type[i]);
GString *launch = g_string_new("appsrc name=audio_source ! ");
g_string_append(launch, "queue ! ");
switch (i) {
case 0: /* AAC-ELD */
case 2: /* AAC-LC */
if (aac) g_string_append(launch, "avdec_aac ! ");
break;
case 1: /* ALAC */
if (alac) g_string_append(launch, "avdec_alac ! ");
break;
case 3: /*PCM*/
break;
default:
break;
}
g_string_append (launch, "audioconvert ! ");
g_string_append (launch, "audioresample ! "); /* wasapisink must resample from 44.1 kHz to 48 kHz */
g_string_append (launch, "volume name=volume ! level ! ");
g_string_append (launch, audiosink);
switch(i) {
case 1: /*ALAC*/
if (*audio_sync) {
g_string_append (launch, " sync=true");
async = TRUE;
} else {
g_string_append (launch, " sync=false");
async = FALSE;
}
break;
default:
if (*video_sync) {
g_string_append (launch, " sync=true");
vsync = TRUE;
} else {
g_string_append (launch, " sync=false");
vsync = FALSE;
}
break;
}
renderer_type[i]->pipeline = gst_parse_launch(launch->str, &error);
if (error) {
g_error ("gst_parse_launch error (audio %d):\n %s\n", i+1, error->message);
g_clear_error (&error);
}
g_assert (renderer_type[i]->pipeline);
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), "audio_source");
renderer_type[i]->volume = gst_bin_get_by_name (GST_BIN (renderer_type[i]->pipeline), "volume");
switch (i) {
case 0:
caps = gst_caps_from_string(aac_eld_caps);
renderer_type[i]->ct = 8;
format[i] = "AAC-ELD 44100/2";
break;
case 1:
caps = gst_caps_from_string(alac_caps);
renderer_type[i]->ct = 2;
format[i] = "ALAC 44100/16/2";
break;
case 2:
caps = gst_caps_from_string(aac_lc_caps);
renderer_type[i]->ct = 4;
format[i] = "AAC-LC 44100/2";
break;
case 3:
caps = gst_caps_from_string(lpcm_caps);
renderer_type[i]->ct = 1;
format[i] = "PCM 44100/16/2 S16LE";
break;
default:
break;
}
logger_log(logger, LOGGER_DEBUG, "Audio format %d: %s",i+1,format[i]);
logger_log(logger, LOGGER_DEBUG, "GStreamer audio pipeline %d: \"%s\"", i+1, launch->str);
g_string_free(launch, TRUE);
g_object_set(renderer_type[i]->appsrc, "caps", caps, "stream-type", 0, "is-live", TRUE, "format", GST_FORMAT_TIME, NULL);
gst_caps_unref(caps);
g_object_unref(clock);
}
}
void audio_renderer_stop() {
if (renderer) {
gst_app_src_end_of_stream(GST_APP_SRC(renderer->appsrc));
gst_element_set_state (renderer->pipeline, GST_STATE_NULL);
renderer = NULL;
}
}
static void get_renderer_type(unsigned char *ct, int *id) {
render_audio = FALSE;
*id = -1;
for (int i = 0; i < NFORMATS; i++) {
if (renderer_type[i]->ct == *ct) {
*id = i;
break;
}
}
switch (*id) {
case 2:
case 0:
if (aac) {
render_audio = TRUE;
} else {
logger_log(logger, LOGGER_INFO, "*** GStreamer libav plugin feature avdec_aac is missing, cannot decode AAC audio");
}
sync = vsync;
break;
case 1:
if (alac) {
render_audio = TRUE;
} else {
logger_log(logger, LOGGER_INFO, "*** GStreamer libav plugin feature avdec_alac is missing, cannot decode ALAC audio");
}
sync = async;
break;
case 3:
render_audio = TRUE;
sync = FALSE;
break;
default:
break;
}
}
void audio_renderer_start(unsigned char *ct) {
int id = -1;
get_renderer_type(ct, &id);
if (id >= 0 && renderer) {
if(*ct != renderer->ct) {
gst_app_src_end_of_stream(GST_APP_SRC(renderer->appsrc));
gst_element_set_state (renderer->pipeline, GST_STATE_NULL);
logger_log(logger, LOGGER_INFO, "changed audio connection, format %s", format[id]);
renderer = renderer_type[id];
gst_element_set_state (renderer->pipeline, GST_STATE_PLAYING);
gst_audio_pipeline_base_time = gst_element_get_base_time(renderer->appsrc);
}
} else if (id >= 0) {
logger_log(logger, LOGGER_INFO, "start audio connection, format %s", format[id]);
renderer = renderer_type[id];
gst_element_set_state (renderer->pipeline, GST_STATE_PLAYING);
gst_audio_pipeline_base_time = gst_element_get_base_time(renderer->appsrc);
} else {
logger_log(logger, LOGGER_ERR, "unknown audio compression type ct = %d", *ct);
}
}
void audio_renderer_render_buffer(unsigned char* data, int *data_len, unsigned short *seqnum, uint64_t *ntp_time) {
GstBuffer *buffer;
bool valid;
if (!render_audio) return; /* do nothing unless render_audio == TRUE */
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_audio_pipeline_base_time) {
pts -= gst_audio_pipeline_base_time;
} else {
logger_log(logger, LOGGER_ERR, "*** invalid ntp_time < gst_audio_pipeline_base_time\n%8.6f ntp_time\n%8.6f base_time",
((double) *ntp_time) / SECOND_IN_NSECS, ((double) gst_audio_pipeline_base_time) / SECOND_IN_NSECS);
return;
}
}
if (data_len == 0 || renderer == NULL) return;
/* all audio received seems to be either ct = 8 (AAC_ELD 44100/2 spf 460 ) AirPlay Mirror protocol *
* or ct = 2 (ALAC 44100/16/2 spf 352) AirPlay protocol. *
* first byte data[0] of ALAC frame is 0x20, *
* first byte of AAC_ELD is 0x8c, 0x8d or 0x8e: 0x100011(00,01,10) in modern devices *
* but is 0x80, 0x81 or 0x82: 0x100000(00,01,10) in ios9, ios10 devices *
* first byte of AAC_LC should be 0xff (ADTS) (but has never been seen). */
buffer = gst_buffer_new_allocate(NULL, *data_len, NULL);
g_assert(buffer != NULL);
//g_print("audio latency %8.6f\n", (double) latency / SECOND_IN_NSECS);
if (sync) {
GST_BUFFER_PTS(buffer) = pts;
}
gst_buffer_fill(buffer, 0, data, *data_len);
switch (renderer->ct){
case 8: /*AAC-ELD*/
switch (data[0]){
case 0x8c:
case 0x8d:
case 0x8e:
case 0x80:
case 0x81:
case 0x82:
valid = true;
break;
default:
valid = false;
break;
}
break;
case 2: /*ALAC*/
valid = (data[0] == 0x20);
break;
case 4: /*AAC_LC */
valid = (data[0] == 0xff );
break;
default:
valid = true;
break;
}
if (valid) {
gst_app_src_push_buffer(GST_APP_SRC(renderer->appsrc), buffer);
} else {
logger_log(logger, LOGGER_ERR, "*** ERROR invalid audio frame (compression_type %d) skipped ", renderer->ct);
logger_log(logger, LOGGER_ERR, "*** first byte of invalid frame was 0x%2.2x ", (unsigned int) data[0]);
}
}
void audio_renderer_set_volume(double volume) {
volume = (volume > 10.0) ? 10.0 : volume;
volume = (volume < 0.0) ? 0.0 : volume;
g_object_set(renderer->volume, "volume", volume, NULL);
}
void audio_renderer_flush() {
}
void audio_renderer_destroy() {
audio_renderer_stop();
for (int i = 0; i < NFORMATS ; i++ ) {
gst_object_unref (renderer_type[i]->volume);
renderer_type[i]->volume = NULL;
gst_object_unref (renderer_type[i]->appsrc);
renderer_type[i]->appsrc = NULL;
gst_object_unref (renderer_type[i]->pipeline);
renderer_type[i]->pipeline = NULL;
free(renderer_type[i]);
}
}

48
renderers/audio_renderer.h Normal file
View File

@ -0,0 +1,48 @@
/**
* 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) 2021-23 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
*/
#ifndef AUDIO_RENDERER_H
#define AUDIO_RENDERER_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdlib.h>
#include <stdint.h>
#include <stdbool.h>
#include "../lib/logger.h"
bool gstreamer_init();
void audio_renderer_init(logger_t *logger, const char* audiosink, const bool *audio_sync, const bool *video_sync);
void audio_renderer_start(unsigned char* compression_type);
void audio_renderer_stop();
void audio_renderer_render_buffer(unsigned char* data, int *data_len, unsigned short *seqnum, uint64_t *ntp_time);
void audio_renderer_set_volume(double volume);
void audio_renderer_flush();
void audio_renderer_destroy();
#ifdef __cplusplus
}
#endif
#endif //AUDIO_RENDERER_H

800
renderers/video_renderer.c Normal file
View File

@ -0,0 +1,800 @@
/**
* 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) {
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;
const gchar *appname = g_get_application_name();
if (!appname || strcmp(appname,server_name)) g_set_application_name(server_name);
appname = NULL;
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) {
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(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("");
// Add static image source
g_string_append(launch, "filesrc location=/path/to/placeholder.jpg ! jpegdec ! imagefreeze ! videoconvert ! ");
g_string_append(launch, "queue ! ");
g_string_append(launch, "input-selector name=selector ! ");
// Add video source
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, 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;
}
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_DEBUG, "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 */
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);
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);
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);
}
}
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_DEBUG, "Switched to %s source", use_video ? "video" : "static image");
}

75
renderers/video_renderer.h Normal file
View File

@ -0,0 +1,75 @@
/**
* 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) 2021-23 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
*/
/*
* H264 renderer using gstreamer
*/
#ifndef VIDEO_RENDERER_H
#define VIDEO_RENDERER_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdlib.h>
#include <stdint.h>
#include <stdbool.h>
#include "../lib/logger.h"
typedef enum videoflip_e {
NONE,
LEFT,
RIGHT,
INVERT,
VFLIP,
HFLIP,
} videoflip_t;
typedef struct video_renderer_s video_renderer_t;
void video_renderer_init (logger_t *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);
void video_renderer_start ();
void video_renderer_stop ();
void video_renderer_pause ();
void video_renderer_seek(float position);
void video_renderer_resume ();
bool video_renderer_is_paused();
void video_renderer_render_buffer (unsigned char* data, int *data_len, int *nal_count, uint64_t *ntp_time);
void video_renderer_flush ();
unsigned int video_renderer_listen(void *loop, int id);
void video_renderer_destroy ();
void video_renderer_size(float *width_source, float *height_source, float *width, float *height);
bool waiting_for_x11_window();
bool video_get_playback_info(double *duration, double *position, float *rate);
void video_renderer_choose_codec(bool is_h265);
unsigned int video_renderer_listen(void *loop, int id);
unsigned int video_reset_callback(void *loop);
void video_renderer_switch_source(bool use_video);
#ifdef __cplusplus
}
#endif
#endif //VIDEO_RENDERER_H

119
renderers/x_display_fix.h Normal file
View File

@ -0,0 +1,119 @@
/**
* 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) 2021-23 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
*/
/* based on code from David Ventura https://github.com/DavidVentura/UxPlay */
/* This file should be only included from video_renderer.c as it defines static
* functions and depends on video_renderer internals */
#ifndef X_DISPLAY_FIX_H
#define X_DISPLAY_FIX_H
#ifdef __cplusplus
extern "C" {
#endif
#include <string.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <stdio.h>
struct X11_Window_s {
Display * display;
Window window;
} typedef X11_Window_t;
static void get_X11_Display(X11_Window_t * X11) {
X11->display = XOpenDisplay(NULL);
X11->window = (Window) NULL;
}
static Window enum_windows(const char * str, Display * display, Window window, int depth) {
int i;
XTextProperty text;
XGetWMName(display, window, &text);
char* name = NULL;
XFetchName(display, window, &name);
if (name != 0 && strcmp(str, name) == 0) {
return window;
}
Window _root, parent;
Window* children = NULL;
unsigned int n;
XQueryTree(display, window, &_root, &parent, &children, &n);
if (children != NULL) {
for (i = 0; i < n; i++) {
Window w = enum_windows(str, display, children[i], depth + 1);
if (w) return w;
}
XFree(children);
}
return (Window) NULL;
}
int X11_error_catcher( Display *disp, XErrorEvent *xe ) {
// do nothing
return 0;
}
static void get_x_window(X11_Window_t * X11, const char * name) {
Window root = XDefaultRootWindow(X11->display);
XSetErrorHandler(X11_error_catcher);
X11->window = enum_windows(name, X11->display, root, 0);
XSetErrorHandler(NULL);
#ifdef ZOOM_WINDOW_NAME_FIX
if (X11->window) {
Atom _NET_WM_NAME = XInternAtom(X11->display, "_NET_WM_NAME", 0);
Atom UTF8_STRING = XInternAtom(X11->display, "UTF8_STRING", 0);
XChangeProperty(X11->display, X11->window, _NET_WM_NAME, UTF8_STRING,
8, 0, (const unsigned char *) name, strlen(name));
XSync(X11->display, False);
}
#endif
}
static void set_fullscreen(X11_Window_t * X11, bool * fullscreen) {
XClientMessageEvent msg = {
.type = ClientMessage,
.display = X11->display,
.window = X11->window,
.message_type = XInternAtom(X11->display, "_NET_WM_STATE", True),
.format = 32,
.data = { .l = {
*fullscreen,
XInternAtom(X11->display, "_NET_WM_STATE_FULLSCREEN", True),
None,
0,
1
}}
};
XSendEvent(X11->display, XRootWindow(X11->display, XDefaultScreen(X11->display)),
False, SubstructureRedirectMask | SubstructureNotifyMask, (XEvent*) &msg);
XSync(X11->display, False);
}
#ifdef __cplusplus
}
#endif
#endif