diff options
Diffstat (limited to 'src/gst/totem-gst-helpers.c')
| -rw-r--r-- | src/gst/totem-gst-helpers.c | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/src/gst/totem-gst-helpers.c b/src/gst/totem-gst-helpers.c index 17b2f0565..62dde28ad 100644 --- a/src/gst/totem-gst-helpers.c +++ b/src/gst/totem-gst-helpers.c @@ -72,191 +72,6 @@ totem_gst_message_print (GstMessage *msg, g_free (dbg); } -static void -destroy_pixbuf (guchar *pix, gpointer data) -{ - gst_sample_unref (GST_SAMPLE (data)); -} - -GdkPixbuf * -totem_gst_playbin_get_frame (GstElement *play) -{ - GstStructure *s; - GstSample *sample = NULL; - GdkPixbuf *pixbuf; - GstCaps *to_caps, *sample_caps; - gint outwidth = 0; - gint outheight = 0; - GstMemory *memory; - GstMapInfo info; - - g_return_val_if_fail (play != NULL, NULL); - g_return_val_if_fail (GST_IS_ELEMENT (play), NULL); - - /* our desired output format (RGB24) */ - to_caps = gst_caps_new_simple ("video/x-raw", - "format", G_TYPE_STRING, "RGB", - /* Note: we don't ask for a specific width/height here, so that - * videoscale can adjust dimensions from a non-1/1 pixel aspect - * ratio to a 1/1 pixel-aspect-ratio. We also don't ask for a - * specific framerate, because the input framerate won't - * necessarily match the output framerate if there's a deinterlacer - * in the pipeline. */ - "pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1, - NULL); - - /* get frame */ - g_signal_emit_by_name (play, "convert-sample", to_caps, &sample); - gst_caps_unref (to_caps); - - if (!sample) { - GST_DEBUG ("Could not take screenshot: %s", - "failed to retrieve or convert video frame"); - g_warning ("Could not take screenshot: %s", - "failed to retrieve or convert video frame"); - return NULL; - } - - sample_caps = gst_sample_get_caps (sample); - if (!sample_caps) { - GST_DEBUG ("Could not take screenshot: %s", "no caps on output buffer"); - g_warning ("Could not take screenshot: %s", "no caps on output buffer"); - return NULL; - } - - GST_DEBUG ("frame caps: %" GST_PTR_FORMAT, sample_caps); - - s = gst_caps_get_structure (sample_caps, 0); - gst_structure_get_int (s, "width", &outwidth); - gst_structure_get_int (s, "height", &outheight); - if (outwidth <= 0 || outheight <= 0) - goto done; - - memory = gst_buffer_get_memory (gst_sample_get_buffer (sample), 0); - gst_memory_map (memory, &info, GST_MAP_READ); - - /* create pixbuf from that - use our own destroy function */ - pixbuf = gdk_pixbuf_new_from_data (info.data, - GDK_COLORSPACE_RGB, FALSE, 8, outwidth, outheight, - GST_ROUND_UP_4 (outwidth * 3), destroy_pixbuf, sample); - - gst_memory_unmap (memory, &info); - -done: - if (!pixbuf) { - GST_DEBUG ("Could not take screenshot: %s", "could not create pixbuf"); - g_warning ("Could not take screenshot: %s", "could not create pixbuf"); - gst_sample_unref (sample); - } - - return pixbuf; -} - -static GdkPixbuf * -totem_gst_buffer_to_pixbuf (GstBuffer *buffer) -{ - GdkPixbufLoader *loader; - GdkPixbuf *pixbuf = NULL; - GError *err = NULL; - GstMemory *memory; - GstMapInfo info; - - memory = gst_buffer_get_memory (buffer, 0); - if (!memory) { - GST_WARNING("could not get memory for buffer"); - return NULL; - } - - if (!gst_memory_map (memory, &info, GST_MAP_READ)) { - GST_WARNING("could not map memory buffer"); - return NULL; - } - - loader = gdk_pixbuf_loader_new (); - - if (gdk_pixbuf_loader_write (loader, info.data, info.size, &err) && - gdk_pixbuf_loader_close (loader, &err)) { - pixbuf = gdk_pixbuf_loader_get_pixbuf (loader); - if (pixbuf) - g_object_ref (pixbuf); - } else { - GST_WARNING("could not convert tag image to pixbuf: %s", err->message); - g_error_free (err); - } - - g_object_unref (loader); - - gst_memory_unmap (memory, &info); - - return pixbuf; -} - -static const GValue * -totem_gst_tag_list_get_cover_real (GstTagList *tag_list) -{ - const GValue *cover_value = NULL; - guint i; - - for (i = 0; ; i++) { - const GValue *value; - GstSample *sample; - const GstStructure *caps_struct; - int type; - - value = gst_tag_list_get_value_index (tag_list, - GST_TAG_IMAGE, - i); - if (value == NULL) - break; - - - sample = gst_value_get_sample (value); - caps_struct = gst_sample_get_info (sample); - gst_structure_get_enum (caps_struct, - "image-type", - GST_TYPE_TAG_IMAGE_TYPE, - &type); - if (type == GST_TAG_IMAGE_TYPE_UNDEFINED) { - if (cover_value == NULL) - cover_value = value; - } else if (type == GST_TAG_IMAGE_TYPE_FRONT_COVER) { - cover_value = value; - break; - } - } - - return cover_value; -} - -GdkPixbuf * -totem_gst_tag_list_get_cover (GstTagList *tag_list) -{ - const GValue *cover_value; - - g_return_val_if_fail (tag_list != NULL, FALSE); - - cover_value = totem_gst_tag_list_get_cover_real (tag_list); - /* Fallback to preview */ - if (!cover_value) { - cover_value = gst_tag_list_get_value_index (tag_list, - GST_TAG_PREVIEW_IMAGE, - 0); - } - - if (cover_value) { - GstBuffer *buffer; - GstSample *sample; - GdkPixbuf *pixbuf; - - sample = gst_value_get_sample (cover_value); - buffer = gst_sample_get_buffer (sample); - pixbuf = totem_gst_buffer_to_pixbuf (buffer); - return pixbuf; - } - - return NULL; -} - /* * vim: sw=2 ts=8 cindent noai bs=2 */ |