forked from enlightenment/efl
700 lines
20 KiB
C
700 lines
20 KiB
C
#include <Ecore.h>
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#include "emotion_gstreamer.h"
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static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE("sink",
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GST_PAD_SINK, GST_PAD_ALWAYS,
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GST_STATIC_CAPS(GST_VIDEO_CAPS_YUV("{ I420, YV12, YUY2 }") ";"
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GST_VIDEO_CAPS_BGRx ";" GST_VIDEO_CAPS_BGR ";" GST_VIDEO_CAPS_BGRA));
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GST_DEBUG_CATEGORY_STATIC(evas_video_sink_debug);
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#define GST_CAT_DEFAULT evas_video_sink_debug
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enum {
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REPAINT_REQUESTED,
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LAST_SIGNAL
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};
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enum {
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PROP_0,
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PROP_EVAS_OBJECT,
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PROP_WIDTH,
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PROP_HEIGHT,
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PROP_LAST,
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};
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static guint evas_video_sink_signals[LAST_SIGNAL] = { 0, };
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#define _do_init(bla) \
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GST_DEBUG_CATEGORY_INIT(evas_video_sink_debug, \
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"emotion-sink", \
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0, \
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"emotion video sink")
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GST_BOILERPLATE_FULL(EvasVideoSink,
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evas_video_sink,
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GstVideoSink,
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GST_TYPE_VIDEO_SINK,
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_do_init);
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static void unlock_buffer_mutex(EvasVideoSinkPrivate* priv);
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static void evas_video_sink_main_render(void *data);
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static void
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evas_video_sink_base_init(gpointer g_class)
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{
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GstElementClass* element_class;
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element_class = GST_ELEMENT_CLASS(g_class);
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gst_element_class_add_pad_template(element_class, gst_static_pad_template_get(&sinktemplate));
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gst_element_class_set_details_simple(element_class, "Evas video sink",
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"Sink/Video", "Sends video data from a GStreamer pipeline to an Evas object",
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"Vincent Torri <vtorri@univ-evry.fr>");
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}
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static void
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evas_video_sink_init(EvasVideoSink* sink, EvasVideoSinkClass* klass __UNUSED__)
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{
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EvasVideoSinkPrivate* priv;
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INF("sink init");
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sink->priv = priv = G_TYPE_INSTANCE_GET_PRIVATE(sink, EVAS_TYPE_VIDEO_SINK, EvasVideoSinkPrivate);
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priv->o = NULL;
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priv->last_buffer = NULL;
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priv->width = 0;
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priv->height = 0;
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priv->gformat = GST_VIDEO_FORMAT_UNKNOWN;
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priv->eformat = EVAS_COLORSPACE_ARGB8888;
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priv->data_cond = g_cond_new();
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priv->buffer_mutex = g_mutex_new();
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priv->unlocked = EINA_FALSE;
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}
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/**** Object methods ****/
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static void
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evas_video_sink_set_property(GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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EvasVideoSink* sink;
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EvasVideoSinkPrivate* priv;
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sink = EVAS_VIDEO_SINK (object);
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priv = sink->priv;
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switch (prop_id) {
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case PROP_EVAS_OBJECT:
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g_mutex_lock(priv->buffer_mutex);
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priv->o = g_value_get_pointer (value);
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g_mutex_unlock(priv->buffer_mutex);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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ERR("invalid property");
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break;
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}
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}
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static void
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evas_video_sink_get_property(GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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EvasVideoSink* sink;
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EvasVideoSinkPrivate* priv;
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sink = EVAS_VIDEO_SINK (object);
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priv = sink->priv;
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switch (prop_id) {
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case PROP_EVAS_OBJECT:
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g_mutex_lock(priv->buffer_mutex);
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g_value_set_pointer (value, priv->o);
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g_mutex_unlock(priv->buffer_mutex);
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break;
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case PROP_WIDTH:
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g_mutex_lock(priv->buffer_mutex);
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g_value_set_int(value, priv->width);
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g_mutex_unlock(priv->buffer_mutex);
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break;
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case PROP_HEIGHT:
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g_mutex_lock(priv->buffer_mutex);
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g_value_set_int (value, priv->height);
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g_mutex_unlock(priv->buffer_mutex);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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ERR("invalide property");
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break;
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}
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}
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static void
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evas_video_sink_dispose(GObject* object)
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{
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EvasVideoSink* sink;
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EvasVideoSinkPrivate* priv;
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sink = EVAS_VIDEO_SINK(object);
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priv = sink->priv;
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if (priv->buffer_mutex) {
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g_mutex_free(priv->buffer_mutex);
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priv->buffer_mutex = 0;
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}
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if (priv->data_cond) {
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g_cond_free(priv->data_cond);
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priv->data_cond = 0;
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}
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if (priv->last_buffer) {
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gst_buffer_unref(priv->last_buffer);
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priv->last_buffer = NULL;
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}
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G_OBJECT_CLASS(parent_class)->dispose(object);
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}
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/**** BaseSink methods ****/
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gboolean evas_video_sink_set_caps(GstBaseSink *bsink, GstCaps *caps)
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{
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EvasVideoSink* sink;
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EvasVideoSinkPrivate* priv;
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GstVideoFormat format;
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int width;
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int height;
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sink = EVAS_VIDEO_SINK(bsink);
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priv = sink->priv;
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if (G_UNLIKELY(!gst_video_format_parse_caps(caps, &format, &width, &height))) {
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ERR("Unable to parse caps.");
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return FALSE;
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}
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priv->width = width;
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priv->height = height;
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printf("%p format :", priv->o);
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switch (format)
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{
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case GST_VIDEO_FORMAT_I420: priv->eformat = EVAS_COLORSPACE_YCBCR422P601_PL;
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printf ("I420\n");
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break;
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case GST_VIDEO_FORMAT_YV12: priv->eformat = EVAS_COLORSPACE_YCBCR422P601_PL;
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printf ("YV12\n");
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break;
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case GST_VIDEO_FORMAT_YUY2: priv->eformat = EVAS_COLORSPACE_YCBCR422601_PL;
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printf("YUY2\n");
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break;
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case GST_VIDEO_FORMAT_BGR: priv->eformat = EVAS_COLORSPACE_ARGB8888;
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printf ("BGR\n");
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break;
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case GST_VIDEO_FORMAT_BGRx: priv->eformat = EVAS_COLORSPACE_ARGB8888;
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printf ("BGRx\n");
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break;
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case GST_VIDEO_FORMAT_BGRA: priv->eformat = EVAS_COLORSPACE_ARGB8888;
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printf ("BGRA\n");
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break;
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default:
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ERR("unsupported : %d\n", format);
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return FALSE;
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}
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priv->gformat = format;
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return TRUE;
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}
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static gboolean
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evas_video_sink_start(GstBaseSink* base_sink)
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{
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EvasVideoSinkPrivate* priv;
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gboolean res = TRUE;
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priv = EVAS_VIDEO_SINK(base_sink)->priv;
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g_mutex_lock(priv->buffer_mutex);
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if (!priv->o)
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res = FALSE;
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else
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priv->unlocked = EINA_FALSE;
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g_mutex_unlock(priv->buffer_mutex);
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return res;
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}
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static gboolean
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evas_video_sink_stop(GstBaseSink* base_sink)
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{
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EvasVideoSinkPrivate* priv = EVAS_VIDEO_SINK(base_sink)->priv;
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unlock_buffer_mutex(priv);
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return TRUE;
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}
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static gboolean
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evas_video_sink_unlock(GstBaseSink* object)
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{
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EvasVideoSink* sink;
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sink = EVAS_VIDEO_SINK(object);
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unlock_buffer_mutex(sink->priv);
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return GST_CALL_PARENT_WITH_DEFAULT(GST_BASE_SINK_CLASS, unlock,
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(object), TRUE);
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}
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static gboolean
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evas_video_sink_unlock_stop(GstBaseSink* object)
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{
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EvasVideoSink* sink;
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EvasVideoSinkPrivate* priv;
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sink = EVAS_VIDEO_SINK(object);
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priv = sink->priv;
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g_mutex_lock(priv->buffer_mutex);
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priv->unlocked = FALSE;
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g_mutex_unlock(priv->buffer_mutex);
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return GST_CALL_PARENT_WITH_DEFAULT(GST_BASE_SINK_CLASS, unlock_stop,
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(object), TRUE);
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}
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static GstFlowReturn
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evas_video_sink_preroll(GstBaseSink* bsink, GstBuffer* buffer)
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{
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Emotion_Gstreamer_Buffer *send;
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EvasVideoSinkPrivate *priv;
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EvasVideoSink *sink;
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sink = EVAS_VIDEO_SINK(bsink);
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priv = sink->priv;
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send = emotion_gstreamer_buffer_alloc(priv, buffer, EINA_TRUE);
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if (send)
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ecore_main_loop_thread_safe_call(evas_video_sink_main_render, send);
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return GST_FLOW_OK;
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}
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static GstFlowReturn
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evas_video_sink_render(GstBaseSink* bsink, GstBuffer* buffer)
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{
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Emotion_Gstreamer_Buffer *send;
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EvasVideoSinkPrivate *priv;
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EvasVideoSink *sink;
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Eina_Bool ret;
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sink = EVAS_VIDEO_SINK(bsink);
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priv = sink->priv;
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g_mutex_lock(priv->buffer_mutex);
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if (priv->unlocked) {
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ERR("LOCKED");
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g_mutex_unlock(priv->buffer_mutex);
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return GST_FLOW_OK;
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}
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send = emotion_gstreamer_buffer_alloc(priv, buffer, EINA_FALSE);
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if (!send) return GST_FLOW_ERROR;
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ecore_main_loop_thread_safe_call(evas_video_sink_main_render, send);
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g_cond_wait(priv->data_cond, priv->buffer_mutex);
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g_mutex_unlock(priv->buffer_mutex);
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return GST_FLOW_OK;
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}
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static void evas_video_sink_main_render(void *data)
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{
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Emotion_Gstreamer_Buffer *send;
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Emotion_Gstreamer_Video *ev;
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Emotion_Video_Stream *vstream;
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EvasVideoSinkPrivate* priv;
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GstBuffer* buffer;
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unsigned char *evas_data;
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const guint8 *gst_data;
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GstQuery *query;
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GstFormat fmt = GST_FORMAT_TIME;
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Evas_Coord w, h;
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gint64 pos;
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Eina_Bool preroll;
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send = data;
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priv = send->sink;
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if (!priv) goto exit_point;
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buffer = send->frame;
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preroll = send->preroll;
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if (priv->unlocked) goto exit_point;
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gst_data = GST_BUFFER_DATA(buffer);
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if (!gst_data) goto exit_point;
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ev = evas_object_data_get(priv->o, "_emotion_gstreamer_video");
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if (!ev) goto exit_point;
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_emotion_gstreamer_video_pipeline_parse(ev, EINA_TRUE);
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// This prevent a race condition when data are still in the pipe
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// but the buffer size as changed because of a request from
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// emotion smart (like on a file set).
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evas_object_image_size_get(priv->o, &w, &h);
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if (w != priv->width || h != priv->height)
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goto exit_point;
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evas_object_image_size_set(priv->o, priv->width, priv->height);
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evas_object_image_alpha_set(priv->o, 0);
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evas_object_image_colorspace_set(priv->o, priv->eformat);
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evas_data = (unsigned char *)evas_object_image_data_get(priv->o, 1);
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// Evas's BGRA has pre-multiplied alpha while GStreamer's doesn't.
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// Here we convert to Evas's BGRA.
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switch (priv->gformat)
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{
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case GST_VIDEO_FORMAT_BGR:
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{
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unsigned char *evas_tmp;
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int x;
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int y;
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evas_tmp = evas_data;
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/* FIXME: could this be optimized ? */
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for (x = 0; x < priv->height; x++) {
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for (y = 0; y < priv->width; y++) {
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evas_tmp[0] = gst_data[0];
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evas_tmp[1] = gst_data[1];
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evas_tmp[2] = gst_data[2];
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evas_tmp[3] = 255;
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gst_data += 3;
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evas_tmp += 4;
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}
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}
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break;
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}
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// Evas's BGRA has pre-multiplied alpha while GStreamer's doesn't.
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// Here we convert to Evas's BGRA.
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case GST_VIDEO_FORMAT_BGRx:
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{
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unsigned char *evas_tmp;
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int x;
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int y;
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evas_tmp = evas_data;
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/* FIXME: could this be optimized ? */
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for (x = 0; x < priv->height; x++) {
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for (y = 0; y < priv->width; y++) {
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evas_tmp[0] = gst_data[0];
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evas_tmp[1] = gst_data[1];
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evas_tmp[2] = gst_data[2];
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evas_tmp[3] = 255;
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gst_data += 4;
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evas_tmp += 4;
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}
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}
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break;
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}
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// Evas's BGRA has pre-multiplied alpha while GStreamer's doesn't.
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// Here we convert to Evas's BGRA.
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case GST_VIDEO_FORMAT_BGRA:
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{
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unsigned char *evas_tmp;
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int x;
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int y;
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unsigned char alpha;
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evas_tmp = evas_data;
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/* FIXME: could this be optimized ? */
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for (x = 0; x < priv->height; x++) {
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for (y = 0; y < priv->width; y++) {
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alpha = gst_data[3];
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evas_tmp[0] = (gst_data[0] * alpha) / 255;
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evas_tmp[1] = (gst_data[1] * alpha) / 255;
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evas_tmp[2] = (gst_data[2] * alpha) / 255;
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evas_tmp[3] = alpha;
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gst_data += 4;
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evas_tmp += 4;
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}
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}
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break;
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}
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case GST_VIDEO_FORMAT_I420:
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{
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int i;
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const unsigned char **rows;
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evas_object_image_pixels_dirty_set(priv->o, 1);
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rows = (const unsigned char **)evas_data;
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for (i = 0; i < priv->height; i++)
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rows[i] = &gst_data[i * priv->width];
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rows += priv->height;
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for (i = 0; i < (priv->height / 2); i++)
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rows[i] = &gst_data[priv->height * priv->width + i * (priv->width / 2)];
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rows += priv->height / 2;
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for (i = 0; i < (priv->height / 2); i++)
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rows[i] = &gst_data[priv->height * priv->width + priv->height * (priv->width /4) + i * (priv->width / 2)];
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break;
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}
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case GST_VIDEO_FORMAT_YV12:
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{
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int i;
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const unsigned char **rows;
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evas_object_image_pixels_dirty_set(priv->o, 1);
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rows = (const unsigned char **)evas_data;
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for (i = 0; i < priv->height; i++)
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rows[i] = &gst_data[i * priv->width];
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rows += priv->height;
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for (i = 0; i < (priv->height / 2); i++)
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rows[i] = &gst_data[priv->height * priv->width + priv->height * (priv->width /4) + i * (priv->width / 2)];
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rows += priv->height / 2;
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for (i = 0; i < (priv->height / 2); i++)
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rows[i] = &gst_data[priv->height * priv->width + i * (priv->width / 2)];
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break;
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}
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case GST_VIDEO_FORMAT_YUY2:
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{
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int i;
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const unsigned char **rows;
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evas_object_image_pixels_dirty_set(priv->o, 1);
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rows = (const unsigned char **)evas_data;
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for (i = 0; i < priv->height; i++)
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rows[i] = &gst_data[i * priv->width * 2];
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break;
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}
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}
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evas_object_image_data_update_add(priv->o, 0, 0, priv->width, priv->height);
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evas_object_image_data_set(priv->o, evas_data);
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evas_object_image_pixels_dirty_set(priv->o, 0);
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_emotion_frame_new(ev->obj);
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vstream = eina_list_nth(ev->video_streams, ev->video_stream_nbr - 1);
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gst_element_query_position(ev->pipeline, &fmt, &pos);
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ev->position = (double)pos / (double)GST_SECOND;
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vstream->width = priv->width;
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vstream->height = priv->height;
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ev->ratio = (double) priv->width / (double) priv->height;
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_emotion_video_pos_update(ev->obj, ev->position, vstream->length_time);
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_emotion_frame_resize(ev->obj, priv->width, priv->height, ev->ratio);
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if (priv->last_buffer) gst_buffer_unref(priv->last_buffer);
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priv->last_buffer = gst_buffer_ref(buffer);
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exit_point:
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emotion_gstreamer_buffer_free(send);
|
|
|
|
if (preroll) return ;
|
|
|
|
g_mutex_lock(priv->buffer_mutex);
|
|
|
|
if (priv->unlocked) {
|
|
g_mutex_unlock(priv->buffer_mutex);
|
|
return;
|
|
}
|
|
|
|
g_cond_signal(priv->data_cond);
|
|
g_mutex_unlock(priv->buffer_mutex);
|
|
}
|
|
|
|
static void
|
|
unlock_buffer_mutex(EvasVideoSinkPrivate* priv)
|
|
{
|
|
g_mutex_lock(priv->buffer_mutex);
|
|
|
|
priv->unlocked = EINA_TRUE;
|
|
g_cond_signal(priv->data_cond);
|
|
g_mutex_unlock(priv->buffer_mutex);
|
|
}
|
|
|
|
static void
|
|
marshal_VOID__MINIOBJECT(GClosure * closure, GValue * return_value __UNUSED__,
|
|
guint n_param_values, const GValue * param_values,
|
|
gpointer invocation_hint __UNUSED__, gpointer marshal_data)
|
|
{
|
|
typedef void (*marshalfunc_VOID__MINIOBJECT) (gpointer obj, gpointer arg1, gpointer data2);
|
|
marshalfunc_VOID__MINIOBJECT callback;
|
|
GCClosure *cc;
|
|
gpointer data1, data2;
|
|
|
|
cc = (GCClosure *) closure;
|
|
|
|
g_return_if_fail(n_param_values == 2);
|
|
|
|
if (G_CCLOSURE_SWAP_DATA(closure)) {
|
|
data1 = closure->data;
|
|
data2 = g_value_peek_pointer(param_values + 0);
|
|
} else {
|
|
data1 = g_value_peek_pointer(param_values + 0);
|
|
data2 = closure->data;
|
|
}
|
|
callback = (marshalfunc_VOID__MINIOBJECT) (marshal_data ? marshal_data : cc->callback);
|
|
|
|
callback(data1, gst_value_get_mini_object(param_values + 1), data2);
|
|
}
|
|
|
|
static void
|
|
evas_video_sink_class_init(EvasVideoSinkClass* klass)
|
|
{
|
|
GObjectClass* gobject_class;
|
|
GstBaseSinkClass* gstbase_sink_class;
|
|
|
|
gobject_class = G_OBJECT_CLASS(klass);
|
|
gstbase_sink_class = GST_BASE_SINK_CLASS(klass);
|
|
|
|
g_type_class_add_private(klass, sizeof(EvasVideoSinkPrivate));
|
|
|
|
gobject_class->set_property = evas_video_sink_set_property;
|
|
gobject_class->get_property = evas_video_sink_get_property;
|
|
|
|
g_object_class_install_property (gobject_class, PROP_EVAS_OBJECT,
|
|
g_param_spec_pointer ("evas-object", "Evas Object",
|
|
"The Evas object where the display of the video will be done",
|
|
G_PARAM_READWRITE));
|
|
|
|
g_object_class_install_property (gobject_class, PROP_WIDTH,
|
|
g_param_spec_int ("width", "Width",
|
|
"The width of the video",
|
|
0, 65536, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
|
|
|
|
g_object_class_install_property (gobject_class, PROP_HEIGHT,
|
|
g_param_spec_int ("height", "Height",
|
|
"The height of the video",
|
|
0, 65536, 0, G_PARAM_READABLE | G_PARAM_STATIC_STRINGS));
|
|
|
|
gobject_class->dispose = evas_video_sink_dispose;
|
|
|
|
gstbase_sink_class->set_caps = evas_video_sink_set_caps;
|
|
gstbase_sink_class->stop = evas_video_sink_stop;
|
|
gstbase_sink_class->start = evas_video_sink_start;
|
|
gstbase_sink_class->unlock = evas_video_sink_unlock;
|
|
gstbase_sink_class->unlock_stop = evas_video_sink_unlock_stop;
|
|
gstbase_sink_class->render = evas_video_sink_render;
|
|
gstbase_sink_class->preroll = evas_video_sink_preroll;
|
|
|
|
evas_video_sink_signals[REPAINT_REQUESTED] = g_signal_new("repaint-requested",
|
|
G_TYPE_FROM_CLASS(klass),
|
|
(GSignalFlags)(G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION),
|
|
0,
|
|
0,
|
|
0,
|
|
marshal_VOID__MINIOBJECT,
|
|
G_TYPE_NONE, 1, GST_TYPE_BUFFER);
|
|
}
|
|
|
|
gboolean
|
|
gstreamer_plugin_init (GstPlugin * plugin)
|
|
{
|
|
return gst_element_register (plugin,
|
|
"emotion-sink",
|
|
GST_RANK_NONE,
|
|
EVAS_TYPE_VIDEO_SINK);
|
|
}
|
|
|
|
static void
|
|
_emotion_gstreamer_pause(void *data, Ecore_Thread *thread __UNUSED__)
|
|
{
|
|
Emotion_Gstreamer_Video *ev = data;
|
|
|
|
gst_element_set_state(ev->pipeline, GST_STATE_PAUSED);
|
|
}
|
|
|
|
static void
|
|
_emotion_gstreamer_cancel(void *data, Ecore_Thread *thread __UNUSED__)
|
|
{
|
|
Emotion_Gstreamer_Video *ev = data;
|
|
|
|
ev->thread = NULL;
|
|
}
|
|
|
|
static void
|
|
_emotion_gstreamer_end(void *data, Ecore_Thread *thread)
|
|
{
|
|
_emotion_gstreamer_video_pipeline_parse(data, EINA_TRUE);
|
|
_emotion_gstreamer_cancel(data, thread);
|
|
}
|
|
|
|
GstElement *
|
|
gstreamer_video_sink_new(Emotion_Gstreamer_Video *ev,
|
|
Evas_Object *o,
|
|
const char *uri)
|
|
{
|
|
GstElement *playbin;
|
|
GstElement *sink;
|
|
Evas_Object *obj;
|
|
GstStateChangeReturn res;
|
|
|
|
obj = emotion_object_image_get(o);
|
|
if (!obj)
|
|
{
|
|
ERR("Not Evas_Object specified");
|
|
return NULL;
|
|
}
|
|
|
|
playbin = gst_element_factory_make("playbin2", "playbin");
|
|
if (!playbin)
|
|
{
|
|
ERR("Unable to create 'playbin' GstElement.");
|
|
return NULL;
|
|
}
|
|
|
|
sink = gst_element_factory_make("emotion-sink", "sink");
|
|
if (!sink)
|
|
{
|
|
ERR("Unable to create 'emotion-sink' GstElement.");
|
|
goto unref_pipeline;
|
|
}
|
|
|
|
g_object_set(G_OBJECT(playbin), "video-sink", sink, NULL);
|
|
g_object_set(G_OBJECT(playbin), "uri", uri, NULL);
|
|
g_object_set(G_OBJECT(sink), "evas-object", obj, NULL);
|
|
|
|
ev->pipeline = playbin;
|
|
ev->thread = ecore_thread_run(_emotion_gstreamer_pause,
|
|
_emotion_gstreamer_end,
|
|
_emotion_gstreamer_cancel,
|
|
ev);
|
|
|
|
/** NOTE: you need to set: GST_DEBUG_DUMP_DOT_DIR=/tmp EMOTION_ENGINE=gstreamer to save the $EMOTION_GSTREAMER_DOT file in '/tmp' */
|
|
/** then call dot -Tpng -oemotion_pipeline.png /tmp/$TIMESTAMP-$EMOTION_GSTREAMER_DOT.dot */
|
|
if (getenv("EMOTION_GSTREAMER_DOT")) GST_DEBUG_BIN_TO_DOT_FILE_WITH_TS(GST_BIN(playbin), GST_DEBUG_GRAPH_SHOW_ALL, getenv("EMOTION_GSTREAMER_DOT"));
|
|
|
|
evas_object_data_set(obj, "_emotion_gstreamer_video", ev);
|
|
|
|
return playbin;
|
|
|
|
unref_pipeline:
|
|
gst_object_unref(playbin);
|
|
return NULL;
|
|
}
|