[393/906] glmosaic: for now it's a cube mosaic

Also use GPtrArray instead of GArray in glmixer.
And add a pipeline to tests/pieplines
This commit is contained in:
Julien Isorce 2009-10-27 15:27:14 +01:00 committed by Matthew Waters
parent ea2962e44f
commit aeb793497d
4 changed files with 116 additions and 113 deletions

View file

@ -910,7 +910,7 @@ gst_gl_mixer_process_buffers (GstGLMixer * mix, GstBuffer * outbuf)
gst_object_sync_values (G_OBJECT (pad), stream_time);
/* put buffer into array */
g_array_insert_val (mix->array_buffers, array_index, mixcol->buffer);
mix->array_buffers->pdata[array_index] = mixcol->buffer;
if (pad == mix->master) {
gint64 running_time;
@ -1213,6 +1213,7 @@ gst_gl_mixer_change_state (GstElement * element, GstStateChange transition)
case GST_STATE_CHANGE_READY_TO_PAUSED:
{
GSList *walk = mix->sinkpads;
gint i = 0;
GstElement *parent = GST_ELEMENT (gst_element_get_parent (mix));
GstStructure *structure =
@ -1244,9 +1245,10 @@ gst_gl_mixer_change_state (GstElement * element, GstStateChange transition)
walk = g_slist_next (walk);
sink_pad->display = gst_gl_display_new ();
}
mix->array_buffers =
g_array_sized_new (FALSE, TRUE, sizeof (GstBuffer *),
mix->next_sinkpad);
mix->array_buffers = g_ptr_array_sized_new (mix->next_sinkpad);
for (i = 0; i < mix->next_sinkpad; ++i) {
g_ptr_array_add (mix->array_buffers, NULL);
}
GST_LOG_OBJECT (mix, "starting collectpads");
gst_collect_pads_start (mix->collect);
break;
@ -1256,7 +1258,7 @@ gst_gl_mixer_change_state (GstElement * element, GstStateChange transition)
GSList *walk = mix->sinkpads;
GST_LOG_OBJECT (mix, "stopping collectpads");
gst_collect_pads_stop (mix->collect);
g_array_free (mix->array_buffers, TRUE);
g_ptr_array_free (mix->array_buffers, TRUE);
while (walk) {
GstGLMixerPad *sink_pad = GST_GL_MIXER_PAD (walk->data);
walk = g_slist_next (walk);

View file

@ -1,4 +1,4 @@
/*
/*
* GStreamer
* Copyright (C) 2009 Julien Isorce <julien.isorce@gmail.com>
*
@ -42,11 +42,11 @@ G_BEGIN_DECLS
typedef struct _GstGLMixer GstGLMixer;
typedef struct _GstGLMixerClass GstGLMixerClass;
typedef gboolean (*GstGLMixerSetCaps) (GstGLMixer* mixer,
typedef gboolean (*GstGLMixerSetCaps) (GstGLMixer* mixer,
GstCaps* outcaps);
typedef void (*GstGLMixerReset) (GstGLMixer *mixer);
typedef gboolean (*GstGLMixerProcessFunc) (GstGLMixer *mix,
GArray *buffers, GstBuffer *outbuf);
GPtrArray *buffers, GstBuffer *outbuf);
struct _GstGLMixer
{
@ -62,7 +62,7 @@ struct _GstGLMixer
/* sinkpads, a GSList of GstGLMixerPads */
GSList *sinkpads;
GArray *array_buffers;
GPtrArray *array_buffers;
gint numpads;
@ -78,7 +78,7 @@ struct _GstGLMixer
gint fps_n;
gint fps_d;
/* Next available sinkpad index */
gint next_sinkpad;

View file

@ -54,7 +54,7 @@ static gboolean gst_gl_mosaic_init_shader (GstGLMixer * mixer,
GstCaps * outcaps);
static gboolean gst_gl_mosaic_proc (GstGLMixer * mixer,
GArray * buffers, GstBuffer * outbuf);
GPtrArray * buffers, GstBuffer * outbuf);
static void gst_gl_mosaic_callback (gpointer stuff);
//vertex source
@ -180,7 +180,7 @@ gst_gl_mosaic_init_shader (GstGLMixer * mixer, GstCaps * outcaps)
}
static gboolean
gst_gl_mosaic_proc (GstGLMixer * mix, GArray * buffers, GstBuffer * outbuf)
gst_gl_mosaic_proc (GstGLMixer * mix, GPtrArray * buffers, GstBuffer * outbuf)
{
GstGLMosaic *mosaic = GST_GL_MOSAIC (mix);
GstGLBuffer *gl_out_buffer = GST_GL_BUFFER (outbuf);
@ -201,89 +201,10 @@ gst_gl_mosaic_callback (gpointer stuff)
{
GstGLMosaic *mosaic = GST_GL_MOSAIC (stuff);
GstGLBuffer *gl_in_buffer =
g_array_index (mosaic->input_gl_buffers, GstGLBuffer *, 0);
GLuint texture = gl_in_buffer->texture;
GLfloat width = (GLfloat) gl_in_buffer->width;
GLfloat height = (GLfloat) gl_in_buffer->height;
static GLfloat xrot = 0;
static GLfloat yrot = 0;
static GLfloat zrot = 0;
const GLfloat v_vertices[] = {
//front face
1.0f, 1.0f, -1.0f,
width, 0.0f,
1.0f, -1.0f, -1.0f,
width, height,
-1.0f, -1.0f, -1.0f,
0.0f, height,
-1.0f, 1.0f, -1.0f,
0.0f, 0.0f,
//back face
1.0f, 1.0f, 1.0f,
width, 0.0f,
-1.0f, 1.0f, 1.0f,
0.0f, 0.0f,
-1.0f, -1.0f, 1.0f,
0.0f, height,
1.0f, -1.0f, 1.0f,
width, height,
//right face
1.0f, 1.0f, 1.0f,
width, 0.0f,
1.0f, -1.0f, 1.0f,
0.0f, 0.0f,
1.0f, -1.0f, -1.0f,
0.0f, height,
1.0f, 1.0f, -1.0f,
width, height,
//left face
-1.0f, 1.0f, 1.0f,
width, 0.0f,
-1.0f, 1.0f, -1.0f,
width, height,
-1.0f, -1.0f, -1.0f,
0.0f, height,
-1.0f, -1.0f, 1.0f,
0.0f, 0.0f,
//top face
1.0f, -1.0f, 1.0f,
width, 0.0f,
-1.0f, -1.0f, 1.0f,
0.0f, 0.0f,
-1.0f, -1.0f, -1.0f,
0.0f, height,
1.0f, -1.0f, -1.0f,
width, height,
//bottom face
1.0f, 1.0f, 1.0f,
width, 0.0f,
1.0f, 1.0f, -1.0f,
width, height,
-1.0f, 1.0f, -1.0f,
0.0f, height,
-1.0f, 1.0f, 1.0f,
0.0f, 0.0f
};
GLushort indices[] = {
0, 1, 2,
0, 2, 3,
4, 5, 6,
4, 6, 7,
8, 9, 10,
8, 10, 11,
12, 13, 14,
12, 14, 15,
16, 17, 18,
16, 18, 19,
20, 21, 22,
20, 22, 23
};
GLint attr_position_loc = 0;
GLint attr_texture_loc = 0;
@ -294,6 +215,15 @@ gst_gl_mosaic_callback (gpointer stuff)
0.0f, 0.0f, 0.0f, 1.0f
};
const GLushort indices[] = {
0, 1, 2,
0, 2, 3
};
gint count = 0;
gboolean do_next = TRUE;
gst_gl_shader_use (NULL);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, 0);
glDisable (GL_TEXTURE_RECTANGLE_ARB);
@ -310,27 +240,98 @@ gst_gl_mosaic_callback (gpointer stuff)
attr_texture_loc =
gst_gl_shader_get_attribute_location (mosaic->shader, "a_texCoord");
//Load the vertex position
glVertexAttribPointerARB (attr_position_loc, 3, GL_FLOAT,
GL_FALSE, 5 * sizeof (GLfloat), v_vertices);
while (do_next && count < mosaic->input_gl_buffers->len && count < 6) {
GstGLBuffer *gl_in_buffer =
g_ptr_array_index (mosaic->input_gl_buffers, count);
//Load the texture coordinate
glVertexAttribPointerARB (attr_texture_loc, 2, GL_FLOAT,
GL_FALSE, 5 * sizeof (GLfloat), &v_vertices[3]);
if (gl_in_buffer && gl_in_buffer->texture) {
GLuint texture = gl_in_buffer->texture;
GLfloat width = (GLfloat) gl_in_buffer->width;
GLfloat height = (GLfloat) gl_in_buffer->height;
glEnableVertexAttribArrayARB (attr_position_loc);
glEnableVertexAttribArrayARB (attr_texture_loc);
const GLfloat v_vertices[] = {
glActiveTextureARB (GL_TEXTURE0_ARB);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
gst_gl_shader_set_uniform_1i (mosaic->shader, "s_texture", 0);
gst_gl_shader_set_uniform_1f (mosaic->shader, "xrot_degree", xrot);
gst_gl_shader_set_uniform_1f (mosaic->shader, "yrot_degree", yrot);
gst_gl_shader_set_uniform_1f (mosaic->shader, "zrot_degree", zrot);
gst_gl_shader_set_uniform_matrix_4fv (mosaic->shader, "u_matrix", 1, GL_FALSE,
matrix);
//front face
1.0f, 1.0f, -1.0f,
width, 0.0f,
1.0f, -1.0f, -1.0f,
width, height,
-1.0f, -1.0f, -1.0f,
0.0f, height,
-1.0f, 1.0f, -1.0f,
0.0f, 0.0f,
//right face
1.0f, 1.0f, 1.0f,
width, 0.0f,
1.0f, -1.0f, 1.0f,
0.0f, 0.0f,
1.0f, -1.0f, -1.0f,
0.0f, height,
1.0f, 1.0f, -1.0f,
width, height,
//left face
-1.0f, 1.0f, 1.0f,
width, 0.0f,
-1.0f, 1.0f, -1.0f,
width, height,
-1.0f, -1.0f, -1.0f,
0.0f, height,
-1.0f, -1.0f, 1.0f,
0.0f, 0.0f,
//top face
1.0f, -1.0f, 1.0f,
width, 0.0f,
-1.0f, -1.0f, 1.0f,
0.0f, 0.0f,
-1.0f, -1.0f, -1.0f,
0.0f, height,
1.0f, -1.0f, -1.0f,
width, height,
//bottom face
1.0f, 1.0f, 1.0f,
width, 0.0f,
1.0f, 1.0f, -1.0f,
width, height,
-1.0f, 1.0f, -1.0f,
0.0f, height,
-1.0f, 1.0f, 1.0f,
0.0f, 0.0f,
//back face
1.0f, 1.0f, 1.0f,
width, 0.0f,
-1.0f, 1.0f, 1.0f,
0.0f, 0.0f,
-1.0f, -1.0f, 1.0f,
0.0f, height,
1.0f, -1.0f, 1.0f,
width, height
};
glDrawElements (GL_TRIANGLES, 36, GL_UNSIGNED_SHORT, indices);
glVertexAttribPointerARB (attr_position_loc, 3, GL_FLOAT,
GL_FALSE, 5 * sizeof (GLfloat), &v_vertices[5 * 4 * count]);
glVertexAttribPointerARB (attr_texture_loc, 2, GL_FLOAT,
GL_FALSE, 5 * sizeof (GLfloat), &v_vertices[5 * 4 * count + 3]);
glEnableVertexAttribArrayARB (attr_position_loc);
glEnableVertexAttribArrayARB (attr_texture_loc);
glActiveTextureARB (GL_TEXTURE0_ARB);
glBindTexture (GL_TEXTURE_RECTANGLE_ARB, texture);
gst_gl_shader_set_uniform_1i (mosaic->shader, "s_texture", 0);
gst_gl_shader_set_uniform_1f (mosaic->shader, "xrot_degree", xrot);
gst_gl_shader_set_uniform_1f (mosaic->shader, "yrot_degree", yrot);
gst_gl_shader_set_uniform_1f (mosaic->shader, "zrot_degree", zrot);
gst_gl_shader_set_uniform_matrix_4fv (mosaic->shader, "u_matrix", 1,
GL_FALSE, matrix);
glDrawElements (GL_TRIANGLES, 6, GL_UNSIGNED_SHORT, indices);
++count;
} else {
do_next = FALSE;
}
}
glDisableVertexAttribArrayARB (attr_position_loc);
glDisableVertexAttribArrayARB (attr_texture_loc);
@ -341,7 +342,7 @@ gst_gl_mosaic_callback (gpointer stuff)
gst_gl_shader_use (NULL);
xrot += 0.3f;
yrot += 0.2f;
zrot += 0.4f;
xrot += 0.6f;
yrot += 0.4f;
zrot += 0.8f;
}

View file

@ -1,4 +1,4 @@
/*
/*
* GStreamer
* Copyright (C) 2009 Julien Isorce <julien.isorce@gmail.com>
*
@ -40,7 +40,7 @@ struct _GstGLMosaic
GstGLMixer mixer;
GstGLShader *shader;
GArray *input_gl_buffers;
GPtrArray *input_gl_buffers;
};
struct _GstGLMosaicClass