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UxPlay 1.71: add support for HLS streaming video

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F. Duncanh
2024-12-10 01:36:32 -05:00
parent 9aaead3748
commit 08c6f0cdb0
23 changed files with 2559 additions and 361 deletions
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433
renderers/video_renderer.c
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@@ -3,7 +3,7 @@
* Copyright (C) 2019 Florian Draschbacher
* Modified for:
* UxPlay - An open-source AirPlay mirroring server
* Copyright (C) 2021-24 F. Duncanh
* 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
@@ -20,10 +20,9 @@
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "video_renderer.h"
#include <gst/gst.h>
#include <gst/app/gstappsrc.h>
#include "video_renderer.h"
#define SECOND_IN_NSECS 1000000000UL
#ifdef X_DISPLAY_FIX
@@ -31,7 +30,7 @@
#include "x_display_fix.h"
static bool fullscreen = false;
static bool alt_keypress = false;
static unsigned char X11_search_attempts;
static unsigned char X11_search_attempts;
#endif
static GstClockTime gst_video_pipeline_base_time = GST_CLOCK_TIME_NONE;
@@ -40,6 +39,10 @@ static unsigned short width, height, width_source, height_source; /* not curren
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;
@@ -51,6 +54,9 @@ struct video_renderer_s {
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;
@@ -63,6 +69,7 @@ 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 */
@@ -85,7 +92,7 @@ static void append_videoflip (GString *launch, const videoflip_t *flip, const vi
case LEFT:
g_string_append(launch, "videoflip video-direction=GST_VIDEO_ORIENTATION_UL_LR ! ");
break;
case RIGHT:
case RIGHT:
g_string_append(launch, "videoflip video-direction=GST_VIDEO_ORIENTATION_UR_LL ! ");
break;
default:
@@ -142,26 +149,78 @@ void video_renderer_size(float *f_width_source, float *f_height_source, float *f
logger_log(logger, LOGGER_DEBUG, "begin video stream wxh = %dx%d; source %dx%d", width, height, width_source, height_source);
}
void video_renderer_init(logger_t *render_logger, const char *server_name, videoflip_t videoflip[2], const char *parser,
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) {
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;
/* 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;
n_renderers = h265_support ? 2 : 1;
/* 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);
@@ -170,77 +229,97 @@ void video_renderer_init(logger_t *render_logger, const char *server_name, video
renderer_type[i]->autovideo = auto_videosink;
renderer_type[i]->id = i;
renderer_type[i]->bus = NULL;
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("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;
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 {
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';
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);
}
} else if (!strcmp(renderer_type[i]->codec, h265)) {
char *pos = launch->str;
while ((pos = strstr(pos,h264))){
pos +=3;
*pos = '5';
GString *launch = g_string_new("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;
}
}
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);
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';
}
}
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);
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);
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);
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);
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
bool use_x11 = (strstr(videosink, "xvimagesink") || strstr(videosink, "ximagesink") || auto_videosink);
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;
@@ -269,36 +348,54 @@ void video_renderer_init(logger_t *render_logger, const char *server_name, video
GstState state;
if (gst_element_get_state (renderer_type[i]->pipeline, &state, NULL, 0)) {
if (state == GST_STATE_READY) {
logger_log(logger, LOGGER_DEBUG, "Initialized GStreamer video renderer %d", i + 1);
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);
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);
}
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);
gst_video_pipeline_base_time = gst_element_get_base_time(renderer->appsrc);
if (renderer->appsrc) {
gst_video_pipeline_base_time = gst_element_get_base_time(renderer->appsrc);
}
}
void video_renderer_start() {
/* start both h264 and h265 pipelines; will shut down the "wrong" one when we know the codec */
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);
gst_video_pipeline_base_time = gst_element_get_base_time(renderer_type[i]->appsrc);
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;
@@ -308,6 +405,23 @@ void video_renderer_start() {
#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 */
@@ -362,21 +476,28 @@ void video_renderer_flush() {
void video_renderer_stop() {
if (renderer) {
gst_app_src_end_of_stream (GST_APP_SRC(renderer->appsrc));
if (renderer->appsrc) {
gst_app_src_end_of_stream (GST_APP_SRC(renderer->appsrc));
}
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) {
void video_renderer_destroy() {
if (renderer) {
GstState state;
gst_element_get_state(renderer->pipeline, &state, NULL, 0);
if (state != GST_STATE_NULL) {
gst_app_src_end_of_stream (GST_APP_SRC(renderer->appsrc));
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);
gst_object_unref (renderer->appsrc);
if (renderer->appsrc) {
gst_object_unref (renderer->appsrc);
}
gst_object_unref (renderer->pipeline);
#ifdef X_DISPLAY_FIX
if (renderer->gst_window) {
@@ -389,20 +510,7 @@ static void video_renderer_destroy_h26x(video_renderer_t *renderer) {
}
}
void video_renderer_destroy() {
for (int i = 0; i < n_renderers; i++) {
if (renderer_type[i]) {
video_renderer_destroy_h26x(renderer_type[i]);
}
}
}
/* not implemented for gstreamer */
void video_renderer_update_background(int type) {
}
gboolean gstreamer_pipeline_bus_callback(GstBus *bus, GstMessage *message, void * loop) {
gboolean gstreamer_pipeline_bus_callback(GstBus *bus, GstMessage *message, void *loop) {
/* identify which pipeline sent the message */
int type = -1;
@@ -413,18 +521,49 @@ gboolean gstreamer_pipeline_bus_callback(GstBus *bus, GstMessage *message, void
}
}
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", err->message);
if (strstr(err->message,"Internal data stream error")) {
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"
@@ -436,19 +575,27 @@ gboolean gstreamer_pipeline_bus_callback(GstBus *bus, GstMessage *message, void
}
g_error_free (err);
g_free (debug);
gst_app_src_end_of_stream (GST_APP_SRC(renderer_type[type]->appsrc));
flushing = TRUE;
gst_bus_set_flushing(bus, flushing);
gst_element_set_state (renderer_type[type]->pipeline, GST_STATE_NULL);
g_main_loop_quit( (GMainLoop *) loop);
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");
// g_main_loop_quit( (GMainLoop *) loop);
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:
ESSAGE_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,0);
@@ -519,6 +666,7 @@ gboolean gstreamer_pipeline_bus_callback(GstBus *bus, GstMessage *message, void
}
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) {
@@ -543,7 +691,9 @@ void video_renderer_choose_codec (bool video_is_h265) {
unsigned int video_reset_callback(void * loop) {
if (video_terminate) {
video_terminate = false;
gst_app_src_end_of_stream (GST_APP_SRC(renderer->appsrc));
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);
@@ -552,6 +702,63 @@ unsigned int video_reset_callback(void * 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)

15
renderers/video_renderer.h
View File

@@ -46,23 +46,26 @@ typedef enum videoflip_e {
} videoflip_t;
typedef struct video_renderer_s video_renderer_t;
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 *videosin_options,
bool initial_fullscreen, bool video_sync, bool h265_support);
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);
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);
#ifdef __cplusplus
}
#endif