2 * gstvaapiimage.c - VA image abstraction
4 * gstreamer-vaapi (C) 2010 Splitted-Desktop Systems
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
23 #include "gstvaapiutils.h"
24 #include "gstvaapiimage.h"
25 #include <va/va_backend.h>
28 #include "gstvaapidebug.h"
30 G_DEFINE_TYPE(GstVaapiImage, gst_vaapi_image, G_TYPE_OBJECT);
32 #define GST_VAAPI_IMAGE_GET_PRIVATE(obj) \
33 (G_TYPE_INSTANCE_GET_PRIVATE((obj), \
34 GST_VAAPI_TYPE_IMAGE, \
35 GstVaapiImagePrivate))
37 struct _GstVaapiImagePrivate {
38 GstVaapiDisplay *display;
39 VAImage internal_image;
42 GstVaapiImageFormat internal_format;
43 GstVaapiImageFormat format;
46 guint is_constructed : 1;
60 #define SWAP_UINT(a, b) do { \
67 gst_vaapi_image_destroy(GstVaapiImage *image)
69 GstVaapiImagePrivate * const priv = image->priv;
72 gst_vaapi_image_unmap(image);
74 if (priv->internal_image.image_id != VA_INVALID_ID) {
75 GST_VAAPI_DISPLAY_LOCK(priv->display);
76 status = vaDestroyImage(
77 GST_VAAPI_DISPLAY_VADISPLAY(priv->display),
78 priv->internal_image.image_id
80 GST_VAAPI_DISPLAY_UNLOCK(priv->display);
81 if (!vaapi_check_status(status, "vaDestroyImage()"))
82 g_warning("failed to destroy image 0x%08x\n",
83 priv->internal_image.image_id);
84 priv->internal_image.image_id = VA_INVALID_ID;
88 g_object_unref(priv->display);
94 _gst_vaapi_image_create(GstVaapiImage *image, GstVaapiImageFormat format)
96 GstVaapiImagePrivate * const priv = image->priv;
97 const VAImageFormat *va_format;
100 if (!gst_vaapi_display_has_image_format(priv->display, format))
103 va_format = gst_vaapi_image_format_get_va_format(format);
107 GST_VAAPI_DISPLAY_LOCK(priv->display);
108 status = vaCreateImage(
109 GST_VAAPI_DISPLAY_VADISPLAY(priv->display),
110 (VAImageFormat *)va_format,
113 &priv->internal_image
115 GST_VAAPI_DISPLAY_UNLOCK(priv->display);
116 if (status != VA_STATUS_SUCCESS ||
117 priv->internal_image.format.fourcc != va_format->fourcc)
120 priv->internal_format = format;
125 _gst_vaapi_image_is_linear(GstVaapiImage *image)
127 GstVaapiImagePrivate * const priv = image->priv;
128 guint i, width, height, width2, height2, data_size;
130 for (i = 1; i < priv->image.num_planes; i++)
131 if (priv->image.offsets[i] < priv->image.offsets[i - 1])
135 height = priv->height;
136 width2 = (width + 1) / 2;
137 height2 = (height + 1) / 2;
139 switch (priv->internal_format) {
140 case GST_VAAPI_IMAGE_NV12:
141 case GST_VAAPI_IMAGE_YV12:
142 case GST_VAAPI_IMAGE_I420:
143 data_size = width * height + 2 * width2 * height2;
145 case GST_VAAPI_IMAGE_ARGB:
146 case GST_VAAPI_IMAGE_RGBA:
147 case GST_VAAPI_IMAGE_ABGR:
148 case GST_VAAPI_IMAGE_BGRA:
149 data_size = 4 * width * height;
152 g_error("FIXME: incomplete formats");
155 return priv->image.data_size == data_size;
159 gst_vaapi_image_create(GstVaapiImage *image)
161 GstVaapiImagePrivate * const priv = image->priv;
162 GstVaapiImageFormat format = priv->format;
163 const VAImageFormat *va_format;
165 if (!_gst_vaapi_image_create(image, format)) {
167 case GST_VAAPI_IMAGE_I420:
168 format = GST_VAAPI_IMAGE_YV12;
170 case GST_VAAPI_IMAGE_YV12:
171 format = GST_VAAPI_IMAGE_I420;
177 if (!format || !_gst_vaapi_image_create(image, format))
180 priv->image = priv->internal_image;
182 if (priv->format != priv->internal_format) {
183 switch (priv->format) {
184 case GST_VAAPI_IMAGE_YV12:
185 case GST_VAAPI_IMAGE_I420:
186 va_format = gst_vaapi_image_format_get_va_format(priv->format);
189 priv->image.format = *va_format;
190 SWAP_UINT(priv->image.offsets[1], priv->image.offsets[2]);
191 SWAP_UINT(priv->image.pitches[1], priv->image.pitches[2]);
198 GST_DEBUG("image 0x%08x", priv->image.image_id);
199 priv->is_linear = _gst_vaapi_image_is_linear(image);
204 gst_vaapi_image_finalize(GObject *object)
206 gst_vaapi_image_destroy(GST_VAAPI_IMAGE(object));
208 G_OBJECT_CLASS(gst_vaapi_image_parent_class)->finalize(object);
212 gst_vaapi_image_set_property(
219 GstVaapiImage * const image = GST_VAAPI_IMAGE(object);
220 GstVaapiImagePrivate * const priv = image->priv;
224 priv->display = g_object_ref(g_value_get_object(value));
227 priv->format = g_value_get_uint(value);
230 priv->width = g_value_get_uint(value);
233 priv->height = g_value_get_uint(value);
236 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
242 gst_vaapi_image_get_property(
249 GstVaapiImage * const image = GST_VAAPI_IMAGE(object);
253 g_value_set_pointer(value, gst_vaapi_image_get_display(image));
256 g_value_set_uint(value, gst_vaapi_image_get_id(image));
259 g_value_set_uint(value, gst_vaapi_image_get_format(image));
262 g_value_set_uint(value, gst_vaapi_image_get_width(image));
265 g_value_set_uint(value, gst_vaapi_image_get_height(image));
268 G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);
274 gst_vaapi_image_constructed(GObject *object)
276 GstVaapiImage * const image = GST_VAAPI_IMAGE(object);
277 GObjectClass *parent_class;
279 image->priv->is_constructed = gst_vaapi_image_create(image);
281 parent_class = G_OBJECT_CLASS(gst_vaapi_image_parent_class);
282 if (parent_class->constructed)
283 parent_class->constructed(object);
287 gst_vaapi_image_class_init(GstVaapiImageClass *klass)
289 GObjectClass * const object_class = G_OBJECT_CLASS(klass);
291 g_type_class_add_private(klass, sizeof(GstVaapiImagePrivate));
293 object_class->finalize = gst_vaapi_image_finalize;
294 object_class->set_property = gst_vaapi_image_set_property;
295 object_class->get_property = gst_vaapi_image_get_property;
296 object_class->constructed = gst_vaapi_image_constructed;
298 g_object_class_install_property
301 g_param_spec_object("display",
303 "GStreamer Va display",
304 GST_VAAPI_TYPE_DISPLAY,
305 G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
307 g_object_class_install_property
310 g_param_spec_uint("id",
313 0, G_MAXUINT32, VA_INVALID_ID,
316 g_object_class_install_property
319 g_param_spec_uint("width",
323 G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
325 g_object_class_install_property
328 g_param_spec_uint("height",
332 G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
334 g_object_class_install_property
337 g_param_spec_uint("format",
341 G_PARAM_READWRITE|G_PARAM_CONSTRUCT_ONLY));
345 gst_vaapi_image_init(GstVaapiImage *image)
347 GstVaapiImagePrivate *priv = GST_VAAPI_IMAGE_GET_PRIVATE(image);
350 priv->display = NULL;
351 priv->image_data = NULL;
354 priv->internal_format = 0;
356 priv->is_constructed = FALSE;
357 priv->is_linear = FALSE;
359 memset(&priv->internal_image, 0, sizeof(priv->internal_image));
360 priv->internal_image.image_id = VA_INVALID_ID;
361 priv->internal_image.buf = VA_INVALID_ID;
363 memset(&priv->image, 0, sizeof(priv->image));
364 priv->image.image_id = VA_INVALID_ID;
365 priv->image.buf = VA_INVALID_ID;
370 GstVaapiDisplay *display,
371 GstVaapiImageFormat format,
376 GstVaapiImage *image;
378 g_return_val_if_fail(GST_VAAPI_IS_DISPLAY(display), NULL);
379 g_return_val_if_fail(width > 0, NULL);
380 g_return_val_if_fail(height > 0, NULL);
382 GST_DEBUG("format %" GST_FOURCC_FORMAT ", size %ux%u",
383 GST_FOURCC_ARGS(format), width, height);
385 image = g_object_new(
386 GST_VAAPI_TYPE_IMAGE,
396 if (!image->priv->is_constructed) {
397 g_object_unref(image);
404 gst_vaapi_image_get_id(GstVaapiImage *image)
406 g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), VA_INVALID_ID);
407 g_return_val_if_fail(image->priv->is_constructed, VA_INVALID_ID);
409 return image->priv->image.image_id;
413 gst_vaapi_image_get_image(GstVaapiImage *image, VAImage *va_image)
415 g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), FALSE);
416 g_return_val_if_fail(image->priv->is_constructed, FALSE);
419 *va_image = image->priv->image;
425 gst_vaapi_image_get_display(GstVaapiImage *image)
427 g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), NULL);
428 g_return_val_if_fail(image->priv->is_constructed, FALSE);
430 return image->priv->display;
434 gst_vaapi_image_get_format(GstVaapiImage *image)
436 g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), 0);
437 g_return_val_if_fail(image->priv->is_constructed, FALSE);
439 return image->priv->format;
443 gst_vaapi_image_get_width(GstVaapiImage *image)
445 g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), 0);
446 g_return_val_if_fail(image->priv->is_constructed, FALSE);
448 return image->priv->width;
452 gst_vaapi_image_get_height(GstVaapiImage *image)
454 g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), 0);
455 g_return_val_if_fail(image->priv->is_constructed, FALSE);
457 return image->priv->height;
461 gst_vaapi_image_get_size(GstVaapiImage *image, guint *pwidth, guint *pheight)
463 g_return_if_fail(GST_VAAPI_IS_IMAGE(image));
464 g_return_if_fail(image->priv->is_constructed);
467 *pwidth = image->priv->width;
470 *pheight = image->priv->height;
474 gst_vaapi_image_is_linear(GstVaapiImage *image)
476 g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), FALSE);
477 g_return_val_if_fail(image->priv->is_constructed, FALSE);
479 return image->priv->is_linear;
482 static inline gboolean
483 _gst_vaapi_image_is_mapped(GstVaapiImage *image)
485 return image->priv->image_data != NULL;
489 gst_vaapi_image_is_mapped(GstVaapiImage *image)
491 g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), FALSE);
492 g_return_val_if_fail(image->priv->is_constructed, FALSE);
494 return _gst_vaapi_image_is_mapped(image);
498 gst_vaapi_image_map(GstVaapiImage *image)
503 g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), FALSE);
504 g_return_val_if_fail(image->priv->is_constructed, FALSE);
506 if (_gst_vaapi_image_is_mapped(image))
509 GST_VAAPI_DISPLAY_LOCK(image->priv->display);
510 status = vaMapBuffer(
511 GST_VAAPI_DISPLAY_VADISPLAY(image->priv->display),
512 image->priv->image.buf,
515 GST_VAAPI_DISPLAY_UNLOCK(image->priv->display);
516 if (!vaapi_check_status(status, "vaMapBuffer()"))
519 image->priv->image_data = image_data;
524 gst_vaapi_image_unmap(GstVaapiImage *image)
528 g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), FALSE);
529 g_return_val_if_fail(image->priv->is_constructed, FALSE);
531 if (!_gst_vaapi_image_is_mapped(image))
534 GST_VAAPI_DISPLAY_LOCK(image->priv->display);
535 status = vaUnmapBuffer(
536 GST_VAAPI_DISPLAY_VADISPLAY(image->priv->display),
537 image->priv->image.buf
539 GST_VAAPI_DISPLAY_UNLOCK(image->priv->display);
540 if (!vaapi_check_status(status, "vaUnmapBuffer()"))
543 image->priv->image_data = NULL;
548 gst_vaapi_image_get_plane_count(GstVaapiImage *image)
550 g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), 0);
551 g_return_val_if_fail(image->priv->is_constructed, FALSE);
552 g_return_val_if_fail(_gst_vaapi_image_is_mapped(image), 0);
554 return image->priv->image.num_planes;
558 gst_vaapi_image_get_plane(GstVaapiImage *image, guint plane)
560 g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), NULL);
561 g_return_val_if_fail(image->priv->is_constructed, FALSE);
562 g_return_val_if_fail(_gst_vaapi_image_is_mapped(image), NULL);
563 g_return_val_if_fail(plane < image->priv->image.num_planes, NULL);
565 return image->priv->image_data + image->priv->image.offsets[plane];
569 gst_vaapi_image_get_pitch(GstVaapiImage *image, guint plane)
571 g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), 0);
572 g_return_val_if_fail(image->priv->is_constructed, FALSE);
573 g_return_val_if_fail(_gst_vaapi_image_is_mapped(image), 0);
574 g_return_val_if_fail(plane < image->priv->image.num_planes, 0);
576 return image->priv->image.pitches[plane];
580 gst_vaapi_image_get_data_size(GstVaapiImage *image)
582 g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), 0);
583 g_return_val_if_fail(image->priv->is_constructed, FALSE);
585 return image->priv->image.data_size;
589 gst_vaapi_image_update_from_buffer(GstVaapiImage *image, GstBuffer *buffer)
591 GstVaapiImagePrivate *priv;
592 GstStructure *structure;
594 GstVaapiImageFormat format;
596 guint offsets[3], pitches[3], widths[3], heights[3];
601 g_return_val_if_fail(GST_VAAPI_IS_IMAGE(image), FALSE);
602 g_return_val_if_fail(image->priv->is_constructed, FALSE);
603 g_return_val_if_fail(GST_IS_BUFFER(buffer), FALSE);
606 data = GST_BUFFER_DATA(buffer);
607 data_size = GST_BUFFER_SIZE(buffer);
608 caps = GST_BUFFER_CAPS(buffer);
613 format = gst_vaapi_image_format_from_caps(caps);
614 if (format != priv->format)
617 structure = gst_caps_get_structure(caps, 0);
618 gst_structure_get_int(structure, "width", &width);
619 gst_structure_get_int(structure, "height", &height);
620 if (width != priv->width || height != priv->height)
623 if (!gst_vaapi_image_map(image))
626 if (priv->is_linear && data_size == priv->image.data_size)
627 memcpy(priv->image_data, data, data_size);
629 /* XXX: copied from gst_video_format_get_row_stride() -- no NV12? */
630 const guint width2 = (width + 1) / 2;
631 const guint height2 = (height + 1) / 2;
634 case GST_VAAPI_IMAGE_NV12:
636 pitches[0] = GST_ROUND_UP_4(width);
639 offsets[1] = offsets[0] + height * pitches[0];
640 pitches[1] = pitches[0];
641 widths [1] = width2 * 2;
642 heights[1] = height2;
643 size2 = offsets[1] + height2 * pitches[1];
645 case GST_VAAPI_IMAGE_YV12:
646 case GST_VAAPI_IMAGE_I420:
648 pitches[0] = GST_ROUND_UP_4(width);
651 offsets[1] = offsets[0] + height * pitches[0];
652 pitches[1] = GST_ROUND_UP_4(GST_ROUND_UP_2(width) / 2);
654 heights[1] = height2;
655 offsets[2] = offsets[1] + height2 * pitches[1];
656 pitches[2] = pitches[1];
658 heights[2] = height2;
659 size2 = offsets[2] + height2 * pitches[2];
661 case GST_VAAPI_IMAGE_ARGB:
662 case GST_VAAPI_IMAGE_RGBA:
663 case GST_VAAPI_IMAGE_ABGR:
664 case GST_VAAPI_IMAGE_BGRA:
666 pitches[0] = width * 4;
667 widths [0] = width * 4;
669 size2 = offsets[0] + height * pitches[0];
672 g_error("could not compute row-stride for %" GST_FOURCC_FORMAT,
673 GST_FOURCC_ARGS(format));
676 if (size2 != data_size)
677 g_error("data_size mismatch %d / %u", size2, data_size);
678 for (i = 0; i < priv->image.num_planes; i++) {
679 guchar *src = data + offsets[i];
680 guchar *dst = priv->image_data + priv->image.offsets[i];
681 for (j = 0; j < heights[i]; j++) {
682 memcpy(dst, src, widths[i]);
684 dst += priv->image.pitches[i];
689 if (!gst_vaapi_image_unmap(image))