void texture_setimage(texture_t tex, const void *data, uint32_t linesize,
bool flip)
{
if (!thread_graphics || !tex)
return;
void *ptr;
uint32_t linesize_out;
uint32_t row_copy;
int32_t height = (int32_t)texture_getheight(tex);
int32_t y;
if (!texture_map(tex, &ptr, &linesize_out))
return;
row_copy = (linesize < linesize_out) ? linesize : linesize_out;
if (flip) {
for (y = height-1; y >= 0; y--)
memcpy((uint8_t*)ptr + (uint32_t)y * linesize_out,
(uint8_t*)data + (uint32_t)y * linesize,
row_copy);
} else if (linesize == linesize_out) {
memcpy(ptr, data, row_copy * height);
} else {
for (y = 0; y < height; y++)
memcpy((uint8_t*)ptr + (uint32_t)y * linesize_out,
(uint8_t*)data + (uint32_t)y * linesize,
row_copy);
}
texture_unmap(tex);
}
static bool upload_frame(texture_t tex, const struct source_frame *frame)
{
void *ptr;
uint32_t row_bytes;
enum convert_type type = get_convert_type(frame->format);
if (type == CONVERT_NONE) {
texture_setimage(tex, frame->data, frame->row_bytes, false);
return true;
}
if (!texture_map(tex, &ptr, &row_bytes))
return false;
if (type == CONVERT_420)
decompress_420(frame->data, frame->width, frame->height,
frame->row_bytes, 0, frame->height, ptr);
else if (type == CONVERT_NV12)
decompress_nv12(frame->data, frame->width, frame->height,
frame->row_bytes, 0, frame->height, ptr);
else if (type == CONVERT_422_Y)
decompress_422(frame->data, frame->width, frame->height,
frame->row_bytes, 0, frame->height, ptr, true);
else if (type == CONVERT_422_U)
decompress_422(frame->data, frame->width, frame->height,
frame->row_bytes, 0, frame->height, ptr, false);
texture_unmap(tex);
return true;
}
static bool update_async_texture(struct obs_source *source,
const struct source_frame *frame)
{
texture_t tex = source->async_texture;
texrender_t texrender = source->async_convert_texrender;
enum convert_type type = get_convert_type(frame->format);
void *ptr;
uint32_t linesize;
source->async_format = frame->format;
source->async_flip = frame->flip;
source->async_full_range = frame->full_range;
memcpy(source->async_color_matrix, frame->color_matrix,
sizeof(frame->color_matrix));
memcpy(source->async_color_range_min, frame->color_range_min,
sizeof frame->color_range_min);
memcpy(source->async_color_range_max, frame->color_range_max,
sizeof frame->color_range_max);
if (source->async_gpu_conversion && texrender)
return update_async_texrender(source, frame);
if (type == CONVERT_NONE) {
texture_setimage(tex, frame->data[0], frame->linesize[0],
false);
return true;
}
if (!texture_map(tex, &ptr, &linesize))
return false;
if (type == CONVERT_420)
decompress_420((const uint8_t* const*)frame->data,
frame->linesize,
0, frame->height, ptr, linesize);
else if (type == CONVERT_NV12)
decompress_nv12((const uint8_t* const*)frame->data,
frame->linesize,
0, frame->height, ptr, linesize);
else if (type == CONVERT_422_Y)
decompress_422(frame->data[0], frame->linesize[0],
0, frame->height, ptr, linesize, true);
else if (type == CONVERT_422_U)
decompress_422(frame->data[0], frame->linesize[0],
0, frame->height, ptr, linesize, false);
texture_unmap(tex);
return true;
}
/* ...deallocate texture data */
static void __destroy_od_texture(gpointer data, GstMiniObject *obj)
{
GstBuffer *buffer = (GstBuffer *)obj;
vsink_meta_t *vmeta = gst_buffer_get_vsink_meta(buffer);
objdet_meta_t *ometa = gst_buffer_get_objdet_meta(buffer);
TRACE(DEBUG, _b("destroy texture referenced by meta: %p:%p"), vmeta, vmeta->priv);
/* ...destroy memory mapping */
texture_unmap(ometa->buf);
/* ...destroy texture */
texture_destroy(vmeta->priv);
}
