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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-07-07 07:05:52 +00:00
glstereomix: Fix caps negotiation
The videoaggregator negotiation sequence changed some time back and broke glstereomix. Instead of doing nego incorrectly in the find_best_format() vfunc, do it directly in the update_caps() method.
This commit is contained in:
Jan Schmidt
parent
d865d9126b
commit
3010a28f07
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@ -106,11 +106,6 @@ static gboolean gst_gl_stereo_mix_start (GstAggregator * agg);
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static gboolean gst_gl_stereo_mix_src_query (GstAggregator * agg,
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GstQuery * query);
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static void
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gst_gl_stereo_mix_find_best_format (GstVideoAggregator * vagg,
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GstCaps * downstream_caps, GstVideoInfo * best_info,
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gboolean * at_least_one_alpha);
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static void gst_gl_stereo_mix_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec);
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static void gst_gl_stereo_mix_get_property (GObject * object, guint prop_id,
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@ -163,7 +158,6 @@ gst_gl_stereo_mix_class_init (GstGLStereoMixClass * klass)
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videoaggregator_class->negotiated_caps = _negotiated_caps;
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videoaggregator_class->get_output_buffer =
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gst_gl_stereo_mix_get_output_buffer;
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videoaggregator_class->find_best_format = gst_gl_stereo_mix_find_best_format;
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base_mix_class->supported_gl_api =
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GST_GL_API_GLES2 | GST_GL_API_OPENGL | GST_GL_API_OPENGL3;
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@ -438,13 +432,97 @@ get_converted_caps (GstGLStereoMix * mix, GstCaps * caps)
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return result;
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}
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/* Return the possible output caps we decided in find_best_format() */
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/* Return the possible output caps based on inputs and downstream prefs */
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static GstCaps *
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_update_caps (GstVideoAggregator * vagg, GstCaps * caps, GstCaps * filter)
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{
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GstGLStereoMix *mix = GST_GL_STEREO_MIX (vagg);
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GList *l;
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gint best_width = -1, best_height = -1;
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gdouble best_fps = -1, cur_fps;
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gint best_fps_n = 0, best_fps_d = 1;
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GstVideoInfo *mix_info;
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GstCaps *blend_caps, *tmp_caps;
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GstCaps *out_caps;
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return gst_caps_ref (mix->out_caps);
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GST_OBJECT_LOCK (vagg);
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for (l = GST_ELEMENT (vagg)->sinkpads; l; l = l->next) {
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GstVideoAggregatorPad *pad = l->data;
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GstVideoInfo tmp = pad->info;
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gint this_width, this_height;
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gint fps_n, fps_d;
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if (!pad->info.finfo)
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continue;
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/* This can happen if we release a pad and another pad hasn't been negotiated_caps yet */
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if (GST_VIDEO_INFO_FORMAT (&pad->info) == GST_VIDEO_FORMAT_UNKNOWN)
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continue;
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/* Convert to per-view width/height for unpacked forms */
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gst_video_multiview_video_info_change_mode (&tmp,
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GST_VIDEO_MULTIVIEW_MODE_SEPARATED, GST_VIDEO_MULTIVIEW_FLAGS_NONE);
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this_width = GST_VIDEO_INFO_WIDTH (&tmp);
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this_height = GST_VIDEO_INFO_HEIGHT (&tmp);
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fps_n = GST_VIDEO_INFO_FPS_N (&tmp);
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fps_d = GST_VIDEO_INFO_FPS_D (&tmp);
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GST_INFO_OBJECT (vagg, "Input pad %" GST_PTR_FORMAT
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" w %u h %u", pad, this_width, this_height);
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if (this_width == 0 || this_height == 0)
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continue;
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if (best_width < this_width)
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best_width = this_width;
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if (best_height < this_height)
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best_height = this_height;
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if (fps_d == 0)
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cur_fps = 0.0;
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else
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gst_util_fraction_to_double (fps_n, fps_d, &cur_fps);
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if (best_fps < cur_fps) {
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best_fps = cur_fps;
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best_fps_n = fps_n;
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best_fps_d = fps_d;
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}
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/* FIXME: Preserve PAR for at least one input when different sized inputs */
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}
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GST_OBJECT_UNLOCK (vagg);
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mix_info = &mix->mix_info;
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gst_video_info_set_format (mix_info, GST_VIDEO_FORMAT_RGBA, best_width,
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best_height);
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GST_VIDEO_INFO_FPS_N (mix_info) = best_fps_n;
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GST_VIDEO_INFO_FPS_D (mix_info) = best_fps_d;
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GST_VIDEO_INFO_MULTIVIEW_MODE (mix_info) = GST_VIDEO_MULTIVIEW_MODE_SEPARATED;
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GST_VIDEO_INFO_VIEWS (mix_info) = 2;
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/* FIXME: If input is marked as flipped or flopped, preserve those flags */
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GST_VIDEO_INFO_MULTIVIEW_FLAGS (mix_info) = GST_VIDEO_MULTIVIEW_FLAGS_NONE;
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/* Choose our output format based on downstream preferences */
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blend_caps = gst_video_info_to_caps (mix_info);
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gst_caps_set_features (blend_caps, 0,
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gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_GL_MEMORY));
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tmp_caps = get_converted_caps (GST_GL_STEREO_MIX (vagg), blend_caps);
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gst_caps_unref (blend_caps);
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out_caps = gst_caps_intersect (caps, tmp_caps);
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gst_caps_unref (tmp_caps);
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GST_DEBUG_OBJECT (vagg, "Possible output caps %" GST_PTR_FORMAT, out_caps);
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return out_caps;
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}
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/* Called after videoaggregator fixates our caps */
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@ -462,8 +540,6 @@ _negotiated_caps (GstVideoAggregator * vagg, GstCaps * caps)
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return FALSE;
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/* Update the glview_convert output */
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if (!gst_video_info_from_caps (&mix->out_info, caps))
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return FALSE;
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/* We can configure the view_converter now */
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gst_gl_view_convert_set_context (mix->viewconvert,
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@ -585,108 +661,3 @@ gst_gl_stereo_mix_process_frames (GstGLStereoMix * mixer)
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return TRUE;
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}
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/* Iterate the input sink pads, and choose the blend format
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* we will generate before output conversion, which is RGBA
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* at some suitable size */
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static void
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gst_gl_stereo_mix_find_best_format (GstVideoAggregator * vagg,
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GstCaps * downstream_caps, GstVideoInfo * best_info,
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gboolean * at_least_one_alpha)
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{
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GstGLStereoMix *mix = GST_GL_STEREO_MIX (vagg);
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GList *l;
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gint best_width = -1, best_height = -1;
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gdouble best_fps = -1, cur_fps;
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gint best_fps_n = 0, best_fps_d = 1;
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GstVideoInfo *mix_info;
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GstCaps *blend_caps, *tmp_caps;
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/* We'll deal with alpha internally, so just tell aggregator to
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* be quiet */
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*at_least_one_alpha = FALSE;
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GST_OBJECT_LOCK (vagg);
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for (l = GST_ELEMENT (vagg)->sinkpads; l; l = l->next) {
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GstVideoAggregatorPad *pad = l->data;
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GstVideoInfo tmp = pad->info;
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gint this_width, this_height;
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gint fps_n, fps_d;
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if (!pad->info.finfo)
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continue;
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/* This can happen if we release a pad and another pad hasn't been negotiated_caps yet */
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if (GST_VIDEO_INFO_FORMAT (&pad->info) == GST_VIDEO_FORMAT_UNKNOWN)
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continue;
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/* Convert to per-view width/height for unpacked forms */
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gst_video_multiview_video_info_change_mode (&tmp,
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GST_VIDEO_MULTIVIEW_MODE_SEPARATED, GST_VIDEO_MULTIVIEW_FLAGS_NONE);
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this_width = GST_VIDEO_INFO_WIDTH (&tmp);
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this_height = GST_VIDEO_INFO_HEIGHT (&tmp);
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fps_n = GST_VIDEO_INFO_FPS_N (&tmp);
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fps_d = GST_VIDEO_INFO_FPS_D (&tmp);
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GST_INFO_OBJECT (vagg, "Input pad %" GST_PTR_FORMAT
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" w %u h %u", pad, this_width, this_height);
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if (this_width == 0 || this_height == 0)
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continue;
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if (best_width < this_width)
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best_width = this_width;
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if (best_height < this_height)
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best_height = this_height;
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if (fps_d == 0)
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cur_fps = 0.0;
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else
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gst_util_fraction_to_double (fps_n, fps_d, &cur_fps);
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if (best_fps < cur_fps) {
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best_fps = cur_fps;
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best_fps_n = fps_n;
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best_fps_d = fps_d;
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}
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/* FIXME: Preserve PAR for at least one input when different sized inputs */
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}
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GST_OBJECT_UNLOCK (vagg);
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mix_info = &mix->mix_info;
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gst_video_info_set_format (mix_info, GST_VIDEO_FORMAT_RGBA, best_width,
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best_height);
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GST_VIDEO_INFO_FPS_N (mix_info) = best_fps_n;
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GST_VIDEO_INFO_FPS_D (mix_info) = best_fps_d;
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GST_VIDEO_INFO_MULTIVIEW_MODE (mix_info) = GST_VIDEO_MULTIVIEW_MODE_SEPARATED;
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GST_VIDEO_INFO_VIEWS (mix_info) = 2;
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/* FIXME: If input is marked as flipped or flopped, preserve those flags */
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GST_VIDEO_INFO_MULTIVIEW_FLAGS (mix_info) = GST_VIDEO_MULTIVIEW_FLAGS_NONE;
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/* Choose our output format based on downstream preferences */
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blend_caps = gst_video_info_to_caps (mix_info);
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gst_caps_set_features (blend_caps, 0,
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gst_caps_features_from_string (GST_CAPS_FEATURE_MEMORY_GL_MEMORY));
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tmp_caps = get_converted_caps (GST_GL_STEREO_MIX (vagg), blend_caps);
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gst_caps_unref (blend_caps);
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if (mix->out_caps)
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gst_caps_unref (mix->out_caps);
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mix->out_caps = gst_caps_intersect (downstream_caps, tmp_caps);
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gst_caps_unref (tmp_caps);
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GST_DEBUG_OBJECT (vagg, "Possible output caps %" GST_PTR_FORMAT,
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mix->out_caps);
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/* Tell videoaggregator our preferred size. Actual info gets
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* overridden during caps nego */
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*best_info = *mix_info;
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}
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@ -69,9 +69,6 @@ struct _GstGLStereoMix
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GstGLViewConvert *viewconvert;
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GstGLStereoDownmix downmix_mode;
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GstCaps *out_caps;
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GstVideoInfo out_info;
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GstVideoInfo mix_info;
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GPtrArray *input_frames;
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