mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-21 15:56:42 +00:00
glcolorconvert: perform better negotiation
1. Correctly describe what we can caps we can transform to/from. i.e. no YUV->YUV or GRAY->YUV or YUV->GRAY (except for passthrough). 2. Prefer similar formats and ignore incompatible formats on fixation.
This commit is contained in:
Matthew Waters
parent
f0ecdcefb3
commit
914da9f746
1 changed files with 312 additions and 71 deletions
|
|
@ -674,6 +674,19 @@ _gst_gl_color_convert_set_caps_unlocked (GstGLColorConvert * convert,
|
|||
&& to_target != GST_GL_TEXTURE_TARGET_RECTANGLE)
|
||||
return FALSE;
|
||||
|
||||
{
|
||||
guint yuv_gray_flags, in_flags, out_flags;
|
||||
|
||||
in_flags = GST_VIDEO_FORMAT_INFO_FLAGS (in_info.finfo);
|
||||
out_flags = GST_VIDEO_FORMAT_INFO_FLAGS (out_info.finfo);
|
||||
yuv_gray_flags = GST_VIDEO_FORMAT_FLAG_YUV | GST_VIDEO_FORMAT_FLAG_GRAY;
|
||||
|
||||
/* GRAY/YUV -> GRAY/YUV is not supported for non-passthrough */
|
||||
if (!passthrough && (in_flags & yuv_gray_flags) != 0
|
||||
&& (out_flags & yuv_gray_flags) != 0)
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
gst_gl_color_convert_reset (convert);
|
||||
convert->in_info = in_info;
|
||||
convert->out_info = out_info;
|
||||
|
|
@ -793,19 +806,45 @@ gst_gl_color_convert_decide_allocation (GstGLColorConvert * convert,
|
|||
return TRUE;
|
||||
}
|
||||
|
||||
static void
|
||||
_init_value_string_list (GValue * list, ...)
|
||||
{
|
||||
GValue item = G_VALUE_INIT;
|
||||
gchar *str;
|
||||
va_list args;
|
||||
|
||||
g_value_init (list, GST_TYPE_LIST);
|
||||
|
||||
va_start (args, list);
|
||||
while ((str = va_arg (args, gchar *))) {
|
||||
g_value_init (&item, G_TYPE_STRING);
|
||||
g_value_set_string (&item, str);
|
||||
|
||||
gst_value_list_append_value (list, &item);
|
||||
g_value_unset (&item);
|
||||
}
|
||||
va_end (args);
|
||||
}
|
||||
|
||||
/* copies the given caps */
|
||||
static GstCaps *
|
||||
gst_gl_color_convert_caps_remove_format_info (GstCaps * caps)
|
||||
gst_gl_color_convert_caps_transform_format_info (GstCaps * caps)
|
||||
{
|
||||
GstStructure *st;
|
||||
GstCapsFeatures *f;
|
||||
gint i, n;
|
||||
GstCaps *res;
|
||||
GValue rgb_formats = G_VALUE_INIT;
|
||||
|
||||
_init_value_string_list (&rgb_formats, "RGBA", "ARGB", "BGRA", "ABGR", "RGBx",
|
||||
"xRGB", "BGRx", "xBGR", "RGB", "BGR", NULL);
|
||||
|
||||
res = gst_caps_new_empty ();
|
||||
|
||||
n = gst_caps_get_size (caps);
|
||||
for (i = 0; i < n; i++) {
|
||||
const GValue *format;
|
||||
|
||||
st = gst_caps_get_structure (caps, i);
|
||||
f = gst_caps_get_features (caps, i);
|
||||
|
||||
|
|
@ -814,13 +853,67 @@ gst_gl_color_convert_caps_remove_format_info (GstCaps * caps)
|
|||
if (i > 0 && gst_caps_is_subset_structure_full (res, st, f))
|
||||
continue;
|
||||
|
||||
format = gst_structure_get_value (st, "format");
|
||||
st = gst_structure_copy (st);
|
||||
gst_structure_remove_fields (st, "format", "colorimetry", "chroma-site",
|
||||
if (GST_VALUE_HOLDS_LIST (format)) {
|
||||
gboolean have_rgb_formats = FALSE;
|
||||
GValue passthrough_formats = G_VALUE_INIT;
|
||||
gint j, len;
|
||||
|
||||
g_value_init (&passthrough_formats, GST_TYPE_LIST);
|
||||
len = gst_value_list_get_size (format);
|
||||
for (j = 0; j < len; j++) {
|
||||
const GValue *val;
|
||||
|
||||
val = gst_value_list_get_value (format, j);
|
||||
if (G_VALUE_HOLDS_STRING (val)) {
|
||||
const gchar *format_str = g_value_get_string (val);
|
||||
GstVideoFormat v_format = gst_video_format_from_string (format_str);
|
||||
const GstVideoFormatInfo *t_info =
|
||||
gst_video_format_get_info (v_format);
|
||||
if (GST_VIDEO_FORMAT_INFO_FLAGS (t_info) & (GST_VIDEO_FORMAT_FLAG_YUV
|
||||
| GST_VIDEO_FORMAT_FLAG_GRAY)) {
|
||||
gst_value_list_append_value (&passthrough_formats, val);
|
||||
} else if (GST_VIDEO_FORMAT_INFO_FLAGS (t_info) &
|
||||
GST_VIDEO_FORMAT_FLAG_RGB) {
|
||||
have_rgb_formats = TRUE;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (have_rgb_formats) {
|
||||
gst_structure_remove_fields (st, "format", NULL);
|
||||
} else {
|
||||
/* add passthrough structure, then the rgb conversion structure */
|
||||
gst_structure_set_value (st, "format", &passthrough_formats);
|
||||
gst_caps_append_structure_full (res, gst_structure_copy (st),
|
||||
gst_caps_features_copy (f));
|
||||
gst_structure_set_value (st, "format", &rgb_formats);
|
||||
}
|
||||
g_value_unset (&passthrough_formats);
|
||||
} else if (G_VALUE_HOLDS_STRING (format)) {
|
||||
const gchar *format_str = g_value_get_string (format);
|
||||
GstVideoFormat v_format = gst_video_format_from_string (format_str);
|
||||
const GstVideoFormatInfo *t_info = gst_video_format_get_info (v_format);
|
||||
if (GST_VIDEO_FORMAT_INFO_FLAGS (t_info) & (GST_VIDEO_FORMAT_FLAG_YUV |
|
||||
GST_VIDEO_FORMAT_FLAG_GRAY)) {
|
||||
/* add passthrough structure, then the rgb conversion structure */
|
||||
gst_structure_set_value (st, "format", format);
|
||||
gst_caps_append_structure_full (res, gst_structure_copy (st),
|
||||
gst_caps_features_copy (f));
|
||||
gst_structure_set_value (st, "format", &rgb_formats);
|
||||
} else { /* RGB */
|
||||
gst_structure_remove_fields (st, "format", NULL);
|
||||
}
|
||||
}
|
||||
gst_structure_remove_fields (st, "colorimetry", "chroma-site",
|
||||
"texture-target", NULL);
|
||||
|
||||
gst_caps_append_structure_full (res, st, gst_caps_features_copy (f));
|
||||
}
|
||||
|
||||
g_value_unset (&rgb_formats);
|
||||
|
||||
return res;
|
||||
}
|
||||
|
||||
|
|
@ -828,7 +921,7 @@ GstCaps *
|
|||
gst_gl_color_convert_transform_caps (GstGLContext * convert,
|
||||
GstPadDirection direction, GstCaps * caps, GstCaps * filter)
|
||||
{
|
||||
caps = gst_gl_color_convert_caps_remove_format_info (caps);
|
||||
caps = gst_gl_color_convert_caps_transform_format_info (caps);
|
||||
|
||||
if (filter) {
|
||||
GstCaps *tmp;
|
||||
|
|
@ -841,92 +934,240 @@ gst_gl_color_convert_transform_caps (GstGLContext * convert,
|
|||
return caps;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_gl_color_convert_fixate_format (GstStructure * ins, GstStructure * outs)
|
||||
{
|
||||
const gchar *in_format = gst_structure_get_string (ins, "format");
|
||||
const GValue *out_formats = gst_structure_get_value (outs, "format");
|
||||
guint i;
|
||||
/* fixation from videoconvert */
|
||||
#define SCORE_FORMAT_CHANGE 1
|
||||
#define SCORE_DEPTH_CHANGE 1
|
||||
#define SCORE_ALPHA_CHANGE 1
|
||||
#define SCORE_CHROMA_W_CHANGE 1
|
||||
#define SCORE_CHROMA_H_CHANGE 1
|
||||
#define SCORE_PALETTE_CHANGE 1
|
||||
|
||||
if (in_format == NULL || !GST_VALUE_HOLDS_LIST (out_formats))
|
||||
/* we don't need to or don't know how to fixate */
|
||||
#define SCORE_COLORSPACE_LOSS 2 /* RGB <-> YUV */
|
||||
#define SCORE_DEPTH_LOSS 4 /* change bit depth */
|
||||
#define SCORE_ALPHA_LOSS 8 /* lose the alpha channel */
|
||||
#define SCORE_CHROMA_W_LOSS 16 /* vertical subsample */
|
||||
#define SCORE_CHROMA_H_LOSS 32 /* horizontal subsample */
|
||||
#define SCORE_PALETTE_LOSS 64 /* convert to palette format */
|
||||
#define SCORE_COLOR_LOSS 128 /* convert to GRAY */
|
||||
|
||||
#define COLORSPACE_MASK (GST_VIDEO_FORMAT_FLAG_YUV | \
|
||||
GST_VIDEO_FORMAT_FLAG_RGB | GST_VIDEO_FORMAT_FLAG_GRAY)
|
||||
#define ALPHA_MASK (GST_VIDEO_FORMAT_FLAG_ALPHA)
|
||||
#define PALETTE_MASK (GST_VIDEO_FORMAT_FLAG_PALETTE)
|
||||
|
||||
static GstGLTextureTarget
|
||||
_texture_target_demask (guint target_mask)
|
||||
{
|
||||
if (target_mask & (1 << GST_GL_TEXTURE_TARGET_2D)) {
|
||||
return GST_GL_TEXTURE_TARGET_2D;
|
||||
}
|
||||
if (target_mask & (1 << GST_GL_TEXTURE_TARGET_RECTANGLE)) {
|
||||
return GST_GL_TEXTURE_TARGET_RECTANGLE;
|
||||
}
|
||||
if (target_mask & (1 << GST_GL_TEXTURE_TARGET_EXTERNAL_OES)) {
|
||||
return GST_GL_TEXTURE_TARGET_EXTERNAL_OES;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* calculate how much loss a conversion would be */
|
||||
static void
|
||||
score_format_target (const GstVideoFormatInfo * in_info, guint targets_mask,
|
||||
GstVideoFormat v_format, guint other_targets_mask, gint * min_loss,
|
||||
const GstVideoFormatInfo ** out_info, GstGLTextureTarget * result)
|
||||
{
|
||||
const GstVideoFormatInfo *t_info;
|
||||
GstVideoFormatFlags in_flags, t_flags;
|
||||
gint loss;
|
||||
|
||||
t_info = gst_video_format_get_info (v_format);
|
||||
if (!t_info)
|
||||
return;
|
||||
|
||||
for (i = 0; i < gst_value_list_get_size (out_formats); i++) {
|
||||
const gchar *format =
|
||||
g_value_get_string (gst_value_list_get_value (out_formats, i));
|
||||
if (!strcmp (format, in_format)) {
|
||||
gst_structure_set (outs, "format", G_TYPE_STRING, format, NULL);
|
||||
/* accept input format immediately without loss */
|
||||
if (in_info == t_info && (targets_mask & other_targets_mask) != 0) {
|
||||
*min_loss = 0;
|
||||
*out_info = t_info;
|
||||
*result = _texture_target_demask (targets_mask & other_targets_mask);
|
||||
return;
|
||||
}
|
||||
|
||||
/* can only passthrough external-oes textures */
|
||||
other_targets_mask &= ~(1 << GST_GL_TEXTURE_TARGET_EXTERNAL_OES);
|
||||
if (other_targets_mask == 0)
|
||||
return;
|
||||
/* try to keep the same target */
|
||||
if (targets_mask & other_targets_mask)
|
||||
other_targets_mask = targets_mask & other_targets_mask;
|
||||
|
||||
loss = SCORE_FORMAT_CHANGE;
|
||||
|
||||
in_flags = GST_VIDEO_FORMAT_INFO_FLAGS (in_info);
|
||||
in_flags &= ~GST_VIDEO_FORMAT_FLAG_LE;
|
||||
in_flags &= ~GST_VIDEO_FORMAT_FLAG_COMPLEX;
|
||||
in_flags &= ~GST_VIDEO_FORMAT_FLAG_UNPACK;
|
||||
|
||||
t_flags = GST_VIDEO_FORMAT_INFO_FLAGS (t_info);
|
||||
t_flags &= ~GST_VIDEO_FORMAT_FLAG_LE;
|
||||
t_flags &= ~GST_VIDEO_FORMAT_FLAG_COMPLEX;
|
||||
t_flags &= ~GST_VIDEO_FORMAT_FLAG_UNPACK;
|
||||
|
||||
/* GRAY/YUV -> GRAY/YUV is not supported */
|
||||
if ((in_flags & (GST_VIDEO_FORMAT_FLAG_YUV | GST_VIDEO_FORMAT_FLAG_GRAY)) != 0
|
||||
&& (t_flags & (GST_VIDEO_FORMAT_FLAG_YUV | GST_VIDEO_FORMAT_FLAG_GRAY)) !=
|
||||
0)
|
||||
return;
|
||||
|
||||
if ((t_flags & PALETTE_MASK) != (in_flags & PALETTE_MASK)) {
|
||||
loss += SCORE_PALETTE_CHANGE;
|
||||
if (t_flags & PALETTE_MASK)
|
||||
loss += SCORE_PALETTE_LOSS;
|
||||
}
|
||||
|
||||
if ((t_flags & COLORSPACE_MASK) != (in_flags & COLORSPACE_MASK)) {
|
||||
loss += SCORE_COLORSPACE_LOSS;
|
||||
if (t_flags & GST_VIDEO_FORMAT_FLAG_GRAY)
|
||||
loss += SCORE_COLOR_LOSS;
|
||||
}
|
||||
|
||||
if ((t_flags & ALPHA_MASK) != (in_flags & ALPHA_MASK)) {
|
||||
loss += SCORE_ALPHA_CHANGE;
|
||||
if (in_flags & ALPHA_MASK)
|
||||
loss += SCORE_ALPHA_LOSS;
|
||||
}
|
||||
|
||||
if ((in_info->h_sub[1]) != (t_info->h_sub[1])) {
|
||||
loss += SCORE_CHROMA_H_CHANGE;
|
||||
if ((in_info->h_sub[1]) < (t_info->h_sub[1]))
|
||||
loss += SCORE_CHROMA_H_LOSS;
|
||||
}
|
||||
if ((in_info->w_sub[1]) != (t_info->w_sub[1])) {
|
||||
loss += SCORE_CHROMA_W_CHANGE;
|
||||
if ((in_info->w_sub[1]) < (t_info->w_sub[1]))
|
||||
loss += SCORE_CHROMA_W_LOSS;
|
||||
}
|
||||
|
||||
if ((in_info->bits) != (t_info->bits)) {
|
||||
loss += SCORE_DEPTH_CHANGE;
|
||||
if ((in_info->bits) > (t_info->bits))
|
||||
loss += SCORE_DEPTH_LOSS;
|
||||
}
|
||||
|
||||
if (loss < *min_loss) {
|
||||
GstGLTextureTarget target = _texture_target_demask (other_targets_mask);
|
||||
|
||||
if (target != 0) {
|
||||
*out_info = t_info;
|
||||
*min_loss = loss;
|
||||
*result = target;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
gst_gl_color_convert_fixate_format_target (GstCaps * caps, GstCaps * result)
|
||||
{
|
||||
GstStructure *ins, *outs;
|
||||
const gchar *in_format;
|
||||
const GstVideoFormatInfo *in_info, *out_info = NULL;
|
||||
const GValue *targets;
|
||||
guint targets_mask = 0;
|
||||
GstGLTextureTarget target;
|
||||
gint min_loss = G_MAXINT;
|
||||
guint i, capslen;
|
||||
|
||||
ins = gst_caps_get_structure (caps, 0);
|
||||
in_format = gst_structure_get_string (ins, "format");
|
||||
if (!in_format)
|
||||
return;
|
||||
targets = gst_structure_get_value (ins, "texture-target");
|
||||
targets_mask = gst_gl_value_get_texture_target_mask (targets);
|
||||
if (!targets_mask)
|
||||
return;
|
||||
|
||||
in_info =
|
||||
gst_video_format_get_info (gst_video_format_from_string (in_format));
|
||||
if (!in_info)
|
||||
return;
|
||||
|
||||
outs = gst_caps_get_structure (result, 0);
|
||||
|
||||
capslen = gst_caps_get_size (result);
|
||||
for (i = 0; i < capslen; i++) {
|
||||
GstStructure *tests;
|
||||
const GValue *format;
|
||||
const GValue *other_targets;
|
||||
guint other_targets_mask = 0;
|
||||
|
||||
tests = gst_caps_get_structure (result, i);
|
||||
|
||||
format = gst_structure_get_value (tests, "format");
|
||||
other_targets = gst_structure_get_value (tests, "texture-target");
|
||||
/* should not happen */
|
||||
if (format == NULL || other_targets == NULL)
|
||||
continue;
|
||||
|
||||
other_targets_mask = gst_gl_value_get_texture_target_mask (other_targets);
|
||||
|
||||
if (GST_VALUE_HOLDS_LIST (format)) {
|
||||
gint j, len;
|
||||
|
||||
len = gst_value_list_get_size (format);
|
||||
for (j = 0; j < len; j++) {
|
||||
const GValue *val;
|
||||
|
||||
val = gst_value_list_get_value (format, j);
|
||||
if (G_VALUE_HOLDS_STRING (val)) {
|
||||
const gchar *format_str = g_value_get_string (val);
|
||||
GstVideoFormat v_format = gst_video_format_from_string (format_str);
|
||||
score_format_target (in_info, targets_mask, v_format,
|
||||
other_targets_mask, &min_loss, &out_info, &target);
|
||||
if (min_loss == 0)
|
||||
break;
|
||||
}
|
||||
}
|
||||
} else if (G_VALUE_HOLDS_STRING (format)) {
|
||||
const gchar *format_str = g_value_get_string (format);
|
||||
GstVideoFormat v_format = gst_video_format_from_string (format_str);
|
||||
score_format_target (in_info, targets_mask, v_format, other_targets_mask,
|
||||
&min_loss, &out_info, &target);
|
||||
}
|
||||
}
|
||||
if (out_info)
|
||||
gst_structure_set (outs, "format", G_TYPE_STRING,
|
||||
GST_VIDEO_FORMAT_INFO_NAME (out_info), NULL);
|
||||
if (target)
|
||||
gst_structure_set (outs, "texture-target", G_TYPE_STRING,
|
||||
gst_gl_texture_target_to_string (target), NULL);
|
||||
}
|
||||
|
||||
GstCaps *
|
||||
gst_gl_color_convert_fixate_caps (GstGLContext * convert,
|
||||
GstPadDirection direction, GstCaps * caps, GstCaps * other)
|
||||
{
|
||||
GValue item = G_VALUE_INIT;
|
||||
const GValue *targets, *other_targets;
|
||||
guint targets_mask = 0, other_targets_mask = 0, result_mask;
|
||||
GstVideoInfo info, other_info;
|
||||
GstStructure *s, *s_other;
|
||||
GstCaps *result;
|
||||
|
||||
other = gst_caps_make_writable (other);
|
||||
s = gst_caps_get_structure (caps, 0);
|
||||
s_other = gst_caps_get_structure (other, 0);
|
||||
|
||||
targets = gst_structure_get_value (s, "texture-target");
|
||||
other_targets = gst_structure_get_value (s_other, "texture-target");
|
||||
|
||||
targets_mask = gst_gl_value_get_texture_target_mask (targets);
|
||||
other_targets_mask = gst_gl_value_get_texture_target_mask (other_targets);
|
||||
|
||||
gst_gl_color_convert_fixate_format (s, s_other);
|
||||
|
||||
/* XXX: attempt to fixate the colorimetry/etc */
|
||||
other = gst_caps_fixate (other);
|
||||
|
||||
result_mask = targets_mask & other_targets_mask;
|
||||
if (result_mask == 0) {
|
||||
/* nothing we can do here */
|
||||
return other;
|
||||
}
|
||||
|
||||
gst_video_info_from_caps (&info, caps);
|
||||
gst_video_info_from_caps (&other_info, other);
|
||||
|
||||
if (!_gst_gl_color_convert_can_passthrough_info (&info, &other_info)) {
|
||||
if (direction == GST_PAD_SINK) {
|
||||
/* this effectively limits us to 2D | RECTANGLE for case where we
|
||||
* have to convert */
|
||||
result_mask &=
|
||||
(1 << GST_GL_TEXTURE_TARGET_2D | 1 <<
|
||||
GST_GL_TEXTURE_TARGET_RECTANGLE);
|
||||
result = gst_caps_intersect (other, caps);
|
||||
if (gst_caps_is_empty (result)) {
|
||||
gst_caps_unref (result);
|
||||
result = other;
|
||||
} else {
|
||||
/* if the src caps has 2D support we can 'convert' to anything */
|
||||
if (targets_mask & (1 << GST_GL_TEXTURE_TARGET_2D | 1 <<
|
||||
GST_GL_TEXTURE_TARGET_RECTANGLE))
|
||||
result_mask = -1;
|
||||
else
|
||||
result_mask = other_targets_mask;
|
||||
gst_caps_unref (other);
|
||||
}
|
||||
|
||||
result = gst_caps_make_writable (result);
|
||||
gst_gl_color_convert_fixate_format_target (caps, result);
|
||||
|
||||
result = gst_caps_fixate (result);
|
||||
|
||||
if (direction == GST_PAD_SINK) {
|
||||
if (gst_caps_is_subset (caps, result)) {
|
||||
gst_caps_replace (&result, caps);
|
||||
}
|
||||
}
|
||||
|
||||
g_value_init (&item, G_TYPE_STRING);
|
||||
if (result_mask & (1 << GST_GL_TEXTURE_TARGET_2D)) {
|
||||
g_value_set_static_string (&item, GST_GL_TEXTURE_TARGET_2D_STR);
|
||||
} else if (result_mask & (1 << GST_GL_TEXTURE_TARGET_RECTANGLE)) {
|
||||
g_value_set_static_string (&item, GST_GL_TEXTURE_TARGET_RECTANGLE_STR);
|
||||
} else if (result_mask & (1 << GST_GL_TEXTURE_TARGET_EXTERNAL_OES)) {
|
||||
g_value_set_static_string (&item, GST_GL_TEXTURE_TARGET_EXTERNAL_OES_STR);
|
||||
}
|
||||
|
||||
gst_structure_set_value (s_other, "texture-target", &item);
|
||||
|
||||
g_value_unset (&item);
|
||||
|
||||
return other;
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
|
|||
Loading…
Reference in a new issue