int TexDirectVIVMap (GLenum Target, GLsizei Width, GLsizei Height, GLenum Format, GLvoid **Logical, GLvoid **Physical)
{
glTexDirectVIVMap (Target, Width, Height, Format, Logical, Physical);
return glGetError ();
}
static gboolean gst_imx_egl_viv_sink_gles2_renderer_fill_texture(GstImxEglVivSinkGLES2Renderer *renderer, GstBuffer *buffer)
{
GstVideoMeta *video_meta;
GstMapInfo map_info;
guint num_extra_lines, stride[3], offset[3], is_phys_buf;
GstImxPhysMemMeta *phys_mem_meta;
GstVideoFormat fmt;
GLenum gl_format;
GLuint w, h, total_w, total_h;
phys_mem_meta = NULL;
fmt = renderer->video_info.finfo->format;
gl_format = gst_imx_egl_viv_sink_gles2_renderer_get_viv_format(fmt);
w = renderer->video_info.width;
h = renderer->video_info.height;
phys_mem_meta = GST_IMX_PHYS_MEM_META_GET(buffer);
is_phys_buf = (phys_mem_meta != NULL) && (phys_mem_meta->phys_addr != 0);
/* Get the stride and number of extra lines */
video_meta = gst_buffer_get_video_meta(buffer);
if (video_meta != NULL)
{
for (guint i = 0; i < MIN(video_meta->n_planes, 3); ++i)
{
stride[i] = video_meta->stride[i];
offset[i] = video_meta->offset[i];
}
}
else
{
for (guint i = 0; i < MIN(GST_VIDEO_INFO_N_PLANES(&(renderer->video_info)), 3); ++i)
{
stride[i] = GST_VIDEO_INFO_PLANE_STRIDE(&(renderer->video_info), i);
offset[i] = GST_VIDEO_INFO_PLANE_OFFSET(&(renderer->video_info), i);
}
}
num_extra_lines = is_phys_buf ? (phys_mem_meta->padding / stride[0]) : 0;
/* stride is in bytes, we need pixels */
total_w = stride[0] / gst_imx_egl_viv_sink_gles2_renderer_bpp(fmt);
total_h = h + num_extra_lines;
GST_LOG("w/h: %d/%d total_w/h: %d/%d", w, h, total_w, total_h);
glUniform2f(renderer->uv_scale_uloc, (float)w / (float)total_w, (float)h / (float)total_h);
/* Only update texture if the video frame actually changed */
if ((renderer->viv_planes[0] == NULL) || (renderer->video_info_updated))
{
GST_LOG("video frame did change");
if (is_phys_buf)
{
GLvoid *virt_addr;
GLuint phys_addr;
phys_addr = (GLuint)(phys_mem_meta->phys_addr);
GST_LOG("mapping physical address 0x%x of video frame in buffer %p into VIV texture", phys_addr, (gpointer)buffer);
gst_buffer_map(buffer, &map_info, GST_MAP_READ);
virt_addr = map_info.data;
/* Just set to make sure the == NULL check above is false */
renderer->viv_planes[0] = virt_addr;
glTexDirectVIVMap(
GL_TEXTURE_2D,
total_w, total_h,
gl_format,
(GLvoid **)(&virt_addr), &phys_addr
);
gst_buffer_unmap(buffer, &map_info);
GST_LOG("done showing frame in buffer %p with virtual address %p physical address 0x%x", (gpointer)buffer, virt_addr, phys_addr);
if (!gst_imx_egl_viv_sink_gles2_renderer_check_gl_error("render", "glTexDirectVIVMap"))
return FALSE;
}
else
{
glTexDirectVIV(
GL_TEXTURE_2D,
total_w, total_h,
gl_format,
(GLvoid **) &(renderer->viv_planes)
);
if (!gst_imx_egl_viv_sink_gles2_renderer_check_gl_error("render", "glTexDirectVIV"))
return FALSE;
GST_LOG("copying pixels into VIV direct texture buffer");
gst_buffer_map(buffer, &map_info, GST_MAP_READ);
switch (fmt)
{
case GST_VIDEO_FORMAT_I420:
case GST_VIDEO_FORMAT_YV12:
memcpy(renderer->viv_planes[0], map_info.data + offset[0], stride[0] * total_h);
memcpy(renderer->viv_planes[1], map_info.data + offset[1], stride[1] * total_h / 2);
memcpy(renderer->viv_planes[2], map_info.data + offset[2], stride[2] * total_h / 2);
break;
case GST_VIDEO_FORMAT_NV12:
case GST_VIDEO_FORMAT_NV21:
memcpy(renderer->viv_planes[0], map_info.data + offset[0], stride[0] * total_h);
memcpy(renderer->viv_planes[1], map_info.data + offset[1], stride[1] * total_h / 2);
break;
default:
memcpy(renderer->viv_planes[0], map_info.data, stride[0] * total_h);
}
gst_buffer_unmap(buffer, &map_info);
}
glTexDirectInvalidateVIV(GL_TEXTURE_2D);
if (!gst_imx_egl_viv_sink_gles2_renderer_check_gl_error("render", "glTexDirectInvalidateVIV"))
return FALSE;
renderer->video_info_updated = FALSE;
}
else
{
GST_LOG("video frame did not change - not doing anything");
}
return TRUE;
}
