#include "gst.h"
#include <gst/app/gstappsrc.h>
typedef struct SampleHandlerUserData {
int pipelineId;
} SampleHandlerUserData;
GMainLoop *gstreamer_send_main_loop = NULL;
void gstreamer_send_start_mainloop(void) {
gstreamer_send_main_loop = g_main_loop_new(NULL, FALSE);
g_main_loop_run(gstreamer_send_main_loop);
}
static gboolean gstreamer_send_bus_call(GstBus *bus, GstMessage *msg, gpointer data) {
GstElement *pipeline = GST_ELEMENT(data);
switch (GST_MESSAGE_TYPE(msg)) {
case GST_MESSAGE_EOS:
if (!gst_element_seek (pipeline, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT | GST_SEEK_FLAG_SKIP,
GST_SEEK_TYPE_SET, 0,
GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE)) {
g_print ("EOS restart failed\n");
exit(1);
}
break;
case GST_MESSAGE_ERROR: {
gchar *debug;
GError *error;
gst_message_parse_error(msg, &error, &debug);
g_free(debug);
g_printerr("GStreamer Error: %s\n", error->message);
g_error_free(error);
exit(1);
}
default:
break;
}
return TRUE;
}
GstFlowReturn gstreamer_send_new_sample_handler(GstElement *object, gpointer user_data) {
GstSample *sample = NULL;
GstBuffer *buffer = NULL;
gpointer copy = NULL;
gsize copy_size = 0;
int *isVideo = (int *) user_data;
g_signal_emit_by_name (object, "pull-sample", &sample);
if (sample) {
buffer = gst_sample_get_buffer(sample);
if (buffer) {
gst_buffer_extract_dup(buffer, 0, gst_buffer_get_size(buffer), ©, ©_size);
goHandlePipelineBuffer(copy, copy_size, GST_BUFFER_DURATION(buffer), *isVideo);
}
gst_sample_unref (sample);
}
return GST_FLOW_OK;
}
GstElement *gstreamer_send_create_pipeline(char *pipeline) {
gst_init(NULL, NULL);
GError *error = NULL;
return gst_parse_launch(pipeline, &error);
}
void gstreamer_send_start_pipeline(GstElement *pipeline) {
GstBus *bus = gst_pipeline_get_bus(GST_PIPELINE(pipeline));
gst_bus_add_watch(bus, gstreamer_send_bus_call, pipeline);
gst_object_unref(bus);
GstElement *audio = gst_bin_get_by_name(GST_BIN(pipeline), "audio"),
*video = gst_bin_get_by_name(GST_BIN(pipeline), "video");
int *isAudio = malloc(sizeof(int)),
*isVideo = malloc(sizeof(int));
*isVideo = 1;
*isAudio = 0;
g_object_set(audio, "emit-signals", TRUE, NULL);
g_signal_connect(audio, "new-sample", G_CALLBACK(gstreamer_send_new_sample_handler), isAudio);
g_object_set(video, "emit-signals", TRUE, NULL);
g_signal_connect(video, "new-sample", G_CALLBACK(gstreamer_send_new_sample_handler), isVideo);
gstreamer_send_play_pipeline(pipeline);
}
void gstreamer_send_play_pipeline(GstElement *pipeline) {
gst_element_set_state(pipeline, GST_STATE_PLAYING);
}
void gstreamer_send_pause_pipeline(GstElement *pipeline) {
gst_element_set_state(pipeline, GST_STATE_PAUSED);
}
void gstreamer_send_seek(GstElement *pipeline, int64_t seek_pos) {
if (!gst_element_seek (pipeline, 1.0, GST_FORMAT_TIME, GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT | GST_SEEK_FLAG_SKIP,
GST_SEEK_TYPE_SET, seek_pos * GST_SECOND,
GST_SEEK_TYPE_NONE, GST_CLOCK_TIME_NONE)) {
g_print ("Seek failed!\n");
}
}