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wpesrc: timestamp buffers when working with SHM buffers

Browse source 
GLBaseSrc::fill() will take care of that when dealing with
images, but as we don't chain up when dealing with SHM buffers
this needs to be done in order for GLBaseSrc::get_times() to
work appropriately.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1476>
This commit is contained in:
Mathieu Duponchelle 2020-07-29 00:04:40 +02:00 committed by GStreamer Merge Bot
parent ad57b8040f
commit 480ede1aa7
1 changed files with 29 additions and 1 deletions
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30
ext/wpe/gstwpesrc.cpp
View file

@ -116,6 +116,8 @@ struct _GstWpeSrc
GBytes *bytes;
gboolean gl_enabled;
gint64 n_frames; /* total frames sent */
};
static void gst_wpe_src_uri_handler_init (gpointer iface, gpointer data);
@ -153,9 +155,12 @@ static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
static GstFlowReturn
gst_wpe_src_create (GstBaseSrc * bsrc, guint64 offset, guint length, GstBuffer ** buf)
{
GstGLBaseSrc *gl_src = GST_GL_BASE_SRC (bsrc);
GstWpeSrc *src = GST_WPE_SRC (bsrc);
GstFlowReturn ret = GST_FLOW_ERROR;
GstBuffer *locked_buffer;
GstClockTime next_time;
gint64 ts_offset = 0;
GST_OBJECT_LOCK (src);
if (src->gl_enabled) {
@ -166,9 +171,30 @@ gst_wpe_src_create (GstBaseSrc * bsrc, guint64 offset, guint length, GstBuffer *
locked_buffer = src->view->buffer ();
if (locked_buffer != NULL) {
*buf = gst_buffer_ref (locked_buffer);
*buf = gst_buffer_copy_deep (locked_buffer);
ret = GST_FLOW_OK;
}
g_object_get(gl_src, "timestamp-offset", &ts_offset, NULL);
/* The following code mimics the behaviour of GLBaseSrc::fill */
GST_BUFFER_TIMESTAMP (*buf) = ts_offset + gl_src->running_time;
GST_BUFFER_OFFSET (*buf) = src->n_frames;
src->n_frames++;
GST_BUFFER_OFFSET_END (*buf) = src->n_frames;
if (gl_src->out_info.fps_n) {
next_time = gst_util_uint64_scale_int (src->n_frames * GST_SECOND,
gl_src->out_info.fps_d, gl_src->out_info.fps_n);
GST_BUFFER_DURATION (*buf) = next_time - gl_src->running_time;
} else {
next_time = ts_offset;
GST_BUFFER_DURATION (*buf) = GST_CLOCK_TIME_NONE;
}
GST_LOG_OBJECT (src, "Created buffer from SHM %" GST_PTR_FORMAT, *buf);
gl_src->running_time = next_time;
GST_OBJECT_UNLOCK (src);
return ret;
}
@ -241,6 +267,8 @@ gst_wpe_src_gl_start (GstGLBaseSrc * base_src)
src->bytes = NULL;
}
src->n_frames = 0;
GST_OBJECT_UNLOCK (src);
if (!result) {
GST_ELEMENT_ERROR (src, RESOURCE, FAILED,