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gl: download whenever we have sysmem capsfeatures

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Otherwise we could pass on a RGBA formatted buffer and downstream would
misinterpret that as some other video format.

Fixes pipelines of the form

    gleffects ! tee ! xvimagesink
This commit is contained in:
Matthew Waters 2014-09-24 13:13:19 +10:00
parent 03c21f78b6
commit e0459f1b65
2 changed files with 17 additions and 8 deletions
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23
ext/gl/gstglmixer.c
View file

@ -131,6 +131,8 @@ _negotiated_caps (GstVideoAggregator * vagg, GstCaps * caps)
mix->priv->negotiated = ret;
gst_caps_replace (&mix->out_caps, caps);
return ret;
}
@ -826,32 +828,37 @@ gst_gl_mixer_process_textures (GstGLMixer * mix, GstBuffer * outbuf)
gboolean res = TRUE;
guint array_index = 0;
GstVideoFrame out_frame;
gboolean out_gl_wrapped = FALSE;
GstElement *element = GST_ELEMENT (mix);
GstVideoAggregator *vagg = GST_VIDEO_AGGREGATOR (mix);
GstGLMixerClass *mix_class = GST_GL_MIXER_GET_CLASS (mix);
GstGLMixerPrivate *priv = mix->priv;
gboolean to_download =
gst_caps_features_is_equal (GST_CAPS_FEATURES_MEMORY_SYSTEM_MEMORY,
gst_caps_get_features (mix->out_caps, 0));
GstMapFlags out_map_flags = GST_MAP_WRITE;
GST_TRACE ("Processing buffers");
if (!gst_video_frame_map (&out_frame, &vagg->info, outbuf,
GST_MAP_WRITE | GST_MAP_GL)) {
to_download |= !gst_is_gl_memory (gst_buffer_peek_memory (outbuf, 0));
if (!to_download)
out_map_flags |= GST_MAP_GL;
if (!gst_video_frame_map (&out_frame, &vagg->info, outbuf, out_map_flags)) {
return FALSE;
}
if (gst_is_gl_memory (out_frame.map[0].memory)) {
if (!to_download) {
out_tex = *(guint *) out_frame.data[0];
} else {
GST_INFO ("Output Buffer does not contain correct memory, "
"attempting to wrap for download");
out_tex = mix->out_tex_id;;
if (!mix->download)
mix->download = gst_gl_download_new (mix->context);
gst_gl_download_set_format (mix->download, &out_frame.info);
out_gl_wrapped = TRUE;
out_tex = mix->out_tex_id;
}
GST_OBJECT_LOCK (mix);
@ -910,7 +917,7 @@ gst_gl_mixer_process_textures (GstGLMixer * mix, GstBuffer * outbuf)
g_mutex_unlock (&priv->gl_resource_lock);
if (out_gl_wrapped) {
if (to_download) {
if (!gst_gl_download_perform_with_data (mix->download, out_tex,
out_frame.data)) {
GST_ELEMENT_ERROR (mix, RESOURCE, NOT_FOUND, ("%s",

2
ext/gl/gstglmixer.h
View file

@ -69,6 +69,8 @@ struct _GstGLMixer
GstGLContext *context;
GLuint fbo;
GLuint depthbuffer;
GstCaps *out_caps;
};
struct _GstGLMixerClass