/* calculate how much loss a conversion would be */
static void score_value(GstBaseTransform * base, const GstVideoFormatInfo * in_info, const GValue * val, gint * min_loss, const GstVideoFormatInfo ** out_info)
{
const gchar *fname;
const GstVideoFormatInfo *t_info;
GstVideoFormatFlags in_flags, t_flags;
gint loss;
fname = g_value_get_string(val);
t_info = gst_video_format_get_info(gst_video_format_from_string(fname));
if (!t_info)
return;
/* accept input format immediately without loss */
if (in_info == t_info)
{
*min_loss = 0;
*out_info = t_info;
return;
}
loss = 1;
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;
if ((t_flags & PALETTE_MASK) != (in_flags & PALETTE_MASK))
loss += SCORE_PALETTE_LOSS;
if ((t_flags & COLOR_MASK) != (in_flags & COLOR_MASK))
loss += SCORE_COLOR_LOSS;
if ((t_flags & ALPHA_MASK) != (in_flags & ALPHA_MASK))
loss += SCORE_ALPHA_LOSS;
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_LOSS;
if ((in_info->bits) > (t_info->bits))
loss += SCORE_DEPTH_LOSS;
GST_DEBUG_OBJECT(base, "score %s -> %s = %d",
GST_VIDEO_FORMAT_INFO_NAME(in_info),
GST_VIDEO_FORMAT_INFO_NAME(t_info), loss);
if (loss < *min_loss)
{
GST_DEBUG_OBJECT(base, "found new best %d", loss);
*out_info = t_info;
*min_loss = loss;
}
}
EglConfig *
egl_config_new (EglDisplay * display, guint gles_version, GstVideoFormat format)
{
EGLint attribs[2 * 6 + 1], *attrib = attribs;
const GstVideoFormatInfo *finfo;
const GlVersionInfo *vinfo;
g_return_val_if_fail (display != NULL, NULL);
finfo = gst_video_format_get_info (format);
if (!finfo || !GST_VIDEO_FORMAT_INFO_IS_RGB (finfo))
return NULL;
vinfo = gl_version_info_lookup (gles_version);
if (!vinfo)
return NULL;
*attrib++ = EGL_COLOR_BUFFER_TYPE;
*attrib++ = EGL_RGB_BUFFER;
*attrib++ = EGL_RED_SIZE;
*attrib++ = GST_VIDEO_FORMAT_INFO_DEPTH (finfo, GST_VIDEO_COMP_R);
*attrib++ = EGL_GREEN_SIZE;
*attrib++ = GST_VIDEO_FORMAT_INFO_DEPTH (finfo, GST_VIDEO_COMP_G);
*attrib++ = EGL_BLUE_SIZE;
*attrib++ = GST_VIDEO_FORMAT_INFO_DEPTH (finfo, GST_VIDEO_COMP_B);
*attrib++ = EGL_ALPHA_SIZE;
*attrib++ = GST_VIDEO_FORMAT_INFO_DEPTH (finfo, GST_VIDEO_COMP_A);
*attrib++ = EGL_RENDERABLE_TYPE;
*attrib++ = vinfo->gl_api_bit;
*attrib++ = EGL_NONE;
g_assert (attrib - attribs <= G_N_ELEMENTS (attribs));
return egl_config_new_with_attribs (display, attribs);
}
static void
gst_video_convert_fixate_format (GstBaseTransform * base, GstCaps * caps,
GstCaps * result)
{
GstStructure *ins, *outs;
const gchar *in_format;
const GstVideoFormatInfo *in_info, *out_info = NULL;
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;
GST_DEBUG_OBJECT (base, "source format %s", in_format);
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);
GST_DEBUG_OBJECT (base, "iterate %d structures", capslen);
for (i = 0; i < capslen; i++) {
GstStructure *tests;
const GValue *format;
tests = gst_caps_get_structure (result, i);
format = gst_structure_get_value (tests, "format");
/* should not happen */
if (format == NULL)
continue;
if (GST_VALUE_HOLDS_LIST (format)) {
gint j, len;
len = gst_value_list_get_size (format);
GST_DEBUG_OBJECT (base, "have %d formats", len);
for (j = 0; j < len; j++) {
const GValue *val;
val = gst_value_list_get_value (format, j);
if (G_VALUE_HOLDS_STRING (val)) {
score_value (base, in_info, val, &min_loss, &out_info);
if (min_loss == 0)
break;
}
}
} else if (G_VALUE_HOLDS_STRING (format)) {
score_value (base, in_info, format, &min_loss, &out_info);
}
}
if (out_info)
gst_structure_set (outs, "format", G_TYPE_STRING,
GST_VIDEO_FORMAT_INFO_NAME (out_info), NULL);
}
/**
* gst_video_info_init:
* @info: a #GstVideoInfo
*
* Initialize @info with default values.
*/
void
gst_video_info_init (GstVideoInfo * info)
{
g_return_if_fail (info != NULL);
memset (info, 0, sizeof (GstVideoInfo));
info->finfo = gst_video_format_get_info (GST_VIDEO_FORMAT_UNKNOWN);
info->views = 1;
/* arrange for sensible defaults, e.g. if turned into caps */
info->fps_n = 0;
info->fps_d = 1;
info->par_n = 1;
info->par_d = 1;
GST_VIDEO_INFO_MULTIVIEW_MODE (info) = GST_VIDEO_MULTIVIEW_MODE_NONE;
}
static gboolean
gst_opencv_get_ipl_depth_and_channels (GstStructure * structure,
gint * ipldepth, gint * channels, GError ** err)
{
GstVideoFormat format = GST_VIDEO_FORMAT_UNKNOWN;
const GstVideoFormatInfo *info;
gint depth = 0, i;
const gchar *s;
if (gst_structure_has_name (structure, "video/x-raw")) {
if (!(s = gst_structure_get_string (structure, "format")))
return FALSE;
format = gst_video_format_from_string (s);
if (format == GST_VIDEO_FORMAT_UNKNOWN)
return FALSE;
}
info = gst_video_format_get_info (format);
if (GST_VIDEO_FORMAT_INFO_IS_RGB (info))
*channels=3;
else if (GST_VIDEO_FORMAT_INFO_IS_GRAY (info))
*channels=1;
else {
g_set_error (err, GST_CORE_ERROR, GST_CORE_ERROR_NEGOTIATION,
"Unsupported structure %s", gst_structure_get_name (structure));
return FALSE;
}
for (i = 0; i < GST_VIDEO_FORMAT_INFO_N_COMPONENTS (info); i++)
depth += GST_VIDEO_FORMAT_INFO_DEPTH (info, i);
if (depth / *channels == 8) {
/* TODO signdness? */
*ipldepth = IPL_DEPTH_8U;
} else if (depth / *channels == 16) {
*ipldepth = IPL_DEPTH_16U;
} else {
g_set_error (err, GST_CORE_ERROR, GST_CORE_ERROR_NEGOTIATION,
"Unsupported depth/channels %d/%d", depth, *channels);
return FALSE;
}
return TRUE;
}
/**
* gst_video_info_set_format:
* @info: a #GstVideoInfo
* @format: the format
* @width: a width
* @height: a height
*
* Set the default info for a video frame of @format and @width and @height.
*
* Note: This initializes @info first, no values are preserved. This function
* does not set the offsets correctly for interlaced vertically
* subsampled formats.
*/
void
gst_video_info_set_format (GstVideoInfo * info, GstVideoFormat format,
guint width, guint height)
{
g_return_if_fail (info != NULL);
g_return_if_fail (format != GST_VIDEO_FORMAT_UNKNOWN);
gst_video_info_init (info);
info->finfo = gst_video_format_get_info (format);
info->width = width;
info->height = height;
info->views = 1;
set_default_colorimetry (info);
fill_planes (info);
}
static gboolean
meta_texture_ensure_info_from_buffer (GstVaapiVideoMetaTexture * meta,
GstBuffer * buffer)
{
GstVideoMeta *vmeta;
GstVideoFormat format;
if (!buffer || !(vmeta = gst_buffer_get_video_meta (buffer))) {
format = DEFAULT_FORMAT;
meta->width = 0;
meta->height = 0;
} else {
const GstVideoFormatInfo *const fmt_info =
gst_video_format_get_info (vmeta->format);
format = (fmt_info && GST_VIDEO_FORMAT_INFO_IS_RGB (fmt_info)) ?
vmeta->format : DEFAULT_FORMAT;
meta->width = vmeta->width;
meta->height = vmeta->height;
}
return meta_texture_ensure_format (meta, format);
}
/**
* gst_video_info_from_caps:
* @info: a #GstVideoInfo
* @caps: a #GstCaps
*
* Parse @caps and update @info.
*
* Returns: TRUE if @caps could be parsed
*/
gboolean
gst_video_info_from_caps (GstVideoInfo * info, const GstCaps * caps)
{
GstStructure *structure;
const gchar *s;
GstVideoFormat format = GST_VIDEO_FORMAT_UNKNOWN;
gint width = 0, height = 0;
gint fps_n, fps_d;
gint par_n, par_d;
g_return_val_if_fail (info != NULL, FALSE);
g_return_val_if_fail (caps != NULL, FALSE);
g_return_val_if_fail (gst_caps_is_fixed (caps), FALSE);
GST_DEBUG ("parsing caps %" GST_PTR_FORMAT, caps);
structure = gst_caps_get_structure (caps, 0);
if (gst_structure_has_name (structure, "video/x-raw")) {
if (!(s = gst_structure_get_string (structure, "format")))
goto no_format;
format = gst_video_format_from_string (s);
if (format == GST_VIDEO_FORMAT_UNKNOWN)
goto unknown_format;
} else if (g_str_has_prefix (gst_structure_get_name (structure), "video/") ||
g_str_has_prefix (gst_structure_get_name (structure), "image/")) {
format = GST_VIDEO_FORMAT_ENCODED;
} else {
goto wrong_name;
}
/* width and height are mandatory, except for non-raw-formats */
if (!gst_structure_get_int (structure, "width", &width) &&
format != GST_VIDEO_FORMAT_ENCODED)
goto no_width;
if (!gst_structure_get_int (structure, "height", &height) &&
format != GST_VIDEO_FORMAT_ENCODED)
goto no_height;
gst_video_info_init (info);
info->finfo = gst_video_format_get_info (format);
info->width = width;
info->height = height;
if (gst_structure_get_fraction (structure, "framerate", &fps_n, &fps_d)) {
if (fps_n == 0) {
/* variable framerate */
info->flags |= GST_VIDEO_FLAG_VARIABLE_FPS;
/* see if we have a max-framerate */
gst_structure_get_fraction (structure, "max-framerate", &fps_n, &fps_d);
}
info->fps_n = fps_n;
info->fps_d = fps_d;
} else {
/* unspecified is variable framerate */
info->fps_n = 0;
info->fps_d = 1;
}
if (gst_structure_get_fraction (structure, "pixel-aspect-ratio",
&par_n, &par_d)) {
info->par_n = par_n;
info->par_d = par_d;
} else {
info->par_n = 1;
info->par_d = 1;
}
if ((s = gst_structure_get_string (structure, "interlace-mode")))
info->interlace_mode = gst_video_interlace_mode_from_string (s);
else
info->interlace_mode = GST_VIDEO_INTERLACE_MODE_PROGRESSIVE;
{
if ((s = gst_structure_get_string (structure, "multiview-mode")))
GST_VIDEO_INFO_MULTIVIEW_MODE (info) =
gst_video_multiview_mode_from_caps_string (s);
else
GST_VIDEO_INFO_MULTIVIEW_MODE (info) = GST_VIDEO_MULTIVIEW_MODE_NONE;
gst_structure_get_flagset (structure, "multiview-flags",
&GST_VIDEO_INFO_MULTIVIEW_FLAGS (info), NULL);
if (!gst_structure_get_int (structure, "views", &info->views))
info->views = 1;
/* At one point, I tried normalising the half-aspect flag here,
* but it behaves weird for GstVideoInfo operations other than
* directly converting to/from caps - sometimes causing the
* PAR to be doubled/halved too many times */
}
if ((s = gst_structure_get_string (structure, "chroma-site")))
info->chroma_site = gst_video_chroma_from_string (s);
else
info->chroma_site = GST_VIDEO_CHROMA_SITE_UNKNOWN;
if ((s = gst_structure_get_string (structure, "colorimetry"))) {
if (!gst_video_colorimetry_from_string (&info->colorimetry, s)) {
GST_WARNING ("unparsable colorimetry, using default");
set_default_colorimetry (info);
} else if (!validate_colorimetry (info)) {
GST_WARNING ("invalid colorimetry, using default");
set_default_colorimetry (info);
} else {
/* force RGB matrix for RGB formats */
if (GST_VIDEO_FORMAT_INFO_IS_RGB (info->finfo) &&
info->colorimetry.matrix != GST_VIDEO_COLOR_MATRIX_RGB) {
GST_WARNING ("invalid matrix %d for RGB format, using RGB",
info->colorimetry.matrix);
info->colorimetry.matrix = GST_VIDEO_COLOR_MATRIX_RGB;
}
}
} else {
GST_DEBUG ("no colorimetry, using default");
set_default_colorimetry (info);
}
fill_planes (info);
return TRUE;
/* ERROR */
wrong_name:
{
GST_ERROR ("wrong name '%s', expected video/ or image/",
gst_structure_get_name (structure));
return FALSE;
}
no_format:
{
GST_ERROR ("no format given");
return FALSE;
}
unknown_format:
{
GST_ERROR ("unknown format '%s' given", s);
return FALSE;
}
no_width:
{
GST_ERROR ("no width property given");
return FALSE;
}
no_height:
{
GST_ERROR ("no height property given");
return FALSE;
}
}
static GstCaps *
gst_phoenixsrc_get_caps (GstBaseSrc * bsrc, GstCaps * filter)
{
GstPhoenixSrc *src = GST_PHOENIX_SRC (bsrc);
etStat eStat = PHX_OK; /* Status variable */
etParamValue eParamValue = PHX_INVALID_PARAMVALUE;
ui32 dwParamValue = 0;
guint32 phx_format;
gint width, height;
gint bpp, depth, endianness;
GstVideoFormat videoFormat;
gboolean is_gray16 = FALSE, is_bayer = FALSE;
GstVideoInfo vinfo;
GstCaps *caps;
if (!src->hCamera) {
return gst_pad_get_pad_template_caps (GST_BASE_SRC_PAD (src));
}
/* Create video info */
gst_video_info_init (&vinfo);
/* Get format (mono, Bayer, RBG, etc.) */
eStat = PHX_ParameterGet (src->hCamera, PHX_DST_FORMAT, &dwParamValue);
if (PHX_OK != eStat)
goto ResourceSettingsError;
phx_format = dwParamValue;
/* Get endianness */
eStat = PHX_ParameterGet (src->hCamera, PHX_DST_ENDIAN, &dwParamValue);
if (PHX_OK != eStat)
goto ResourceSettingsError;
endianness =
(dwParamValue == PHX_DST_LITTLE_ENDIAN) ? G_LITTLE_ENDIAN : G_BIG_ENDIAN;
/* get width */
eStat =
PHX_ParameterGet (src->hCamera, PHX_ROI_XLENGTH_SCALED, &dwParamValue);
if (PHX_OK != eStat)
goto ResourceSettingsError;
width = dwParamValue;
/* get height */
eStat =
PHX_ParameterGet (src->hCamera, PHX_ROI_YLENGTH_SCALED, &dwParamValue);
if (PHX_OK != eStat)
goto ResourceSettingsError;
height = dwParamValue;
switch (phx_format) {
case PHX_DST_FORMAT_Y8:
videoFormat = GST_VIDEO_FORMAT_GRAY8;
break;
case PHX_DST_FORMAT_Y10:
bpp = 10;
is_gray16 = TRUE;
break;
case PHX_DST_FORMAT_Y12:
bpp = 12;
is_gray16 = TRUE;
break;
case PHX_DST_FORMAT_Y14:
bpp = 14;
is_gray16 = TRUE;
break;
case PHX_DST_FORMAT_Y16:
bpp = 16;
is_gray16 = TRUE;
break;
case PHX_DST_FORMAT_BAY8:
bpp = 8;
depth = 8;
is_bayer = TRUE;
break;
case PHX_DST_FORMAT_BAY10:
bpp = 10;
depth = 16;
is_bayer = TRUE;
break;
case PHX_DST_FORMAT_BAY12:
bpp = 12;
depth = 16;
is_bayer = TRUE;
break;
case PHX_DST_FORMAT_BAY14:
bpp = 14;
depth = 16;
is_bayer = TRUE;
break;
case PHX_DST_FORMAT_BAY16:
bpp = 16;
depth = 16;
is_bayer = TRUE;
break;
case PHX_DST_FORMAT_RGB15:
videoFormat = GST_VIDEO_FORMAT_RGB15;
break;
case PHX_DST_FORMAT_RGB16:
videoFormat = GST_VIDEO_FORMAT_RGB16;
break;
case PHX_DST_FORMAT_RGB24:
videoFormat = GST_VIDEO_FORMAT_RGB;
break;
case PHX_DST_FORMAT_RGB32: /* FIXME: what is the format of this? */
case PHX_DST_FORMAT_XRGB32:
videoFormat = GST_VIDEO_FORMAT_xRGB;
break;
default:
videoFormat = GST_VIDEO_FORMAT_UNKNOWN;
}
if (is_gray16)
videoFormat = (endianness == G_LITTLE_ENDIAN) ?
GST_VIDEO_FORMAT_GRAY16_LE : GST_VIDEO_FORMAT_GRAY16_BE;
if (is_bayer) {
const gchar *bay_fmt;
eStat = PHX_ParameterGet (src->hCamera, PHX_CAM_SRC_COL, &dwParamValue);
if (PHX_OK != eStat)
goto ResourceSettingsError;
switch (dwParamValue) {
case PHX_CAM_SRC_BAY_RGGB:
bay_fmt = (depth == 16) ? "rggb16" : "rggb";
break;
case PHX_CAM_SRC_BAY_GRBG:
bay_fmt = (depth == 16) ? "grbg16" : "grbg";
break;
case PHX_CAM_SRC_BAY_GBRG:
bay_fmt = (depth == 16) ? "gbrg16" : "gbrg";
break;
case PHX_CAM_SRC_BAY_BGGR:
bay_fmt = (depth == 16) ? "bggr16" : "bggr";
break;
default:
GST_ERROR_OBJECT (src, "Unknown PHX_CAM_SRC_COL=%d", dwParamValue);
goto Error;
}
if (depth == 8) {
caps = gst_caps_new_simple ("video/x-bayer",
"format", G_TYPE_STRING, bay_fmt,
"width", G_TYPE_INT, width,
"height", G_TYPE_INT, height,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
} else if (depth == 16) {
caps = gst_caps_new_simple ("video/x-bayer",
"format", G_TYPE_STRING, bay_fmt,
"bpp", G_TYPE_INT, bpp,
"endianness", G_TYPE_INT, endianness,
"width", G_TYPE_INT, width,
"height", G_TYPE_INT, height,
"framerate", GST_TYPE_FRACTION_RANGE, 0, 1, G_MAXINT, 1, NULL);
}
} else if (videoFormat != GST_VIDEO_FORMAT_UNKNOWN) {
vinfo.finfo = gst_video_format_get_info (videoFormat);
vinfo.width = width;
vinfo.height = height;
caps = gst_video_info_to_caps (&vinfo);
if (is_gray16) {
GValue val = G_VALUE_INIT;
GstStructure *s = gst_caps_get_structure (caps, 0);
g_value_init (&val, G_TYPE_INT);
g_value_set_int (&val, bpp);
gst_structure_set_value (s, "bpp", &val);
g_value_unset (&val);
}
} else {
GST_ELEMENT_ERROR (src, STREAM, WRONG_TYPE,
(("Unknown or unsupported color format.")), (NULL));
goto Error;
}
/* get buffer size; width (in bytes) and height (in lines) */
eStat = PHX_ParameterGet (src->hCamera, PHX_BUF_DST_XLENGTH, &dwParamValue);
if (PHX_OK != eStat)
goto ResourceSettingsError;
src->phx_stride = dwParamValue;
eStat = PHX_ParameterGet (src->hCamera, PHX_BUF_DST_YLENGTH, &dwParamValue);
if (PHX_OK != eStat)
goto ResourceSettingsError;
/* TODO: should we be using PHX_BUF_DST_YLENGTH or PHX_ROI_YLENGTH_SCALED
for height? */
g_assert (dwParamValue == height);
GST_DEBUG_OBJECT (src, "The caps before filtering are %" GST_PTR_FORMAT,
caps);
if (filter) {
GstCaps *tmp = gst_caps_intersect (caps, filter);
gst_caps_unref (caps);
caps = tmp;
}
GST_DEBUG_OBJECT (src, "The caps after filtering are %" GST_PTR_FORMAT, caps);
return caps;
ResourceSettingsError:
GST_ELEMENT_ERROR (src, RESOURCE, SETTINGS,
(("Failed to get Phoenix parameters.")), (NULL));
Error:
return NULL;
}
/* returns static descriptions and dynamic ones (such as video/x-raw),
* or NULL if caps aren't known at all */
static gchar *
format_info_get_desc (const FormatInfo * info, const GstCaps * caps)
{
const GstStructure *s;
g_assert (info != NULL);
if (info->desc != NULL)
return g_strdup (_(info->desc));
s = gst_caps_get_structure (caps, 0);
if (strcmp (info->type, "video/x-raw") == 0) {
gchar *ret = NULL;
const gchar *str = 0;
GstVideoFormat format;
const GstVideoFormatInfo *finfo;
str = gst_structure_get_string (s, "format");
if (str == NULL)
return g_strdup (_("Uncompressed video"));
format = gst_video_format_from_string (str);
if (format == GST_VIDEO_FORMAT_UNKNOWN)
return g_strdup (_("Uncompressed video"));
finfo = gst_video_format_get_info (format);
if (GST_VIDEO_FORMAT_INFO_IS_GRAY (finfo)) {
ret = g_strdup (_("Uncompressed gray"));
} else if (GST_VIDEO_FORMAT_INFO_IS_YUV (finfo)) {
const gchar *subs;
gint w_sub, h_sub, n_semi;
w_sub = GST_VIDEO_FORMAT_INFO_W_SUB (finfo, 1);
h_sub = GST_VIDEO_FORMAT_INFO_H_SUB (finfo, 1);
if (w_sub == 1 && h_sub == 1) {
subs = "4:4:4";
} else if (w_sub == 2 && h_sub == 1) {
subs = "4:2:2";
} else if (w_sub == 2 && h_sub == 2) {
subs = "4:2:0";
} else if (w_sub == 4 && h_sub == 1) {
subs = "4:1:1";
} else {
subs = "";
}
n_semi = GST_VIDEO_FORMAT_INFO_HAS_ALPHA (finfo) ? 3 : 2;
if (GST_VIDEO_FORMAT_INFO_N_PLANES (finfo) == 1) {
ret = g_strdup_printf (_("Uncompressed packed YUV %s"), subs);
} else if (GST_VIDEO_FORMAT_INFO_N_PLANES (finfo) == n_semi) {
ret = g_strdup_printf (_("Uncompressed semi-planar YUV %s"), subs);
} else {
ret = g_strdup_printf (_("Uncompressed planar YUV %s"), subs);
}
} else if (GST_VIDEO_FORMAT_INFO_IS_RGB (finfo)) {
gboolean alpha, palette;
gint bits;
alpha = GST_VIDEO_FORMAT_INFO_HAS_ALPHA (finfo);
palette = GST_VIDEO_FORMAT_INFO_HAS_PALETTE (finfo);
bits = GST_VIDEO_FORMAT_INFO_BITS (finfo);
if (palette) {
ret = g_strdup_printf (_("Uncompressed palettized %d-bit %s"),
bits, alpha ? "RGBA" : "RGB");
} else {
ret = g_strdup_printf (_("Uncompressed %d-bit %s"),
bits, alpha ? "RGBA" : "RGB");
}
} else {
ret = g_strdup (_("Uncompressed video"));
}
return ret;
} else if (strcmp (info->type, "video/x-h263") == 0) {
const gchar *variant, *ret;
variant = gst_structure_get_string (s, "variant");
if (variant == NULL)
ret = "H.263";
else if (strcmp (variant, "itu") == 0)
ret = "ITU H.26n"; /* why not ITU H.263? (tpm) */
else if (strcmp (variant, "lead") == 0)
ret = "Lead H.263";
else if (strcmp (variant, "microsoft") == 0)
ret = "Microsoft H.263";
else if (strcmp (variant, "vdolive") == 0)
ret = "VDOLive";
else if (strcmp (variant, "vivo") == 0)
ret = "Vivo H.263";
else if (strcmp (variant, "xirlink") == 0)
ret = "Xirlink H.263";
else {
GST_WARNING ("Unknown H263 variant '%s'", variant);
ret = "H.263";
}
return g_strdup (ret);
} else if (strcmp (info->type, "video/x-h264") == 0) {
const gchar *variant, *ret;
const gchar *profile;
variant = gst_structure_get_string (s, "variant");
if (variant == NULL)
ret = "H.264";
else if (strcmp (variant, "itu") == 0)
ret = "ITU H.264";
else if (strcmp (variant, "videosoft") == 0)
ret = "Videosoft H.264";
else if (strcmp (variant, "lead") == 0)
ret = "Lead H.264";
else {
GST_WARNING ("Unknown H264 variant '%s'", variant);
ret = "H.264";
}
/* profile */
profile = gst_structure_get_string (s, "profile");
if (profile != NULL)
profile = pbutils_desc_get_h264_profile_name_from_nick (profile);
if (profile == NULL)
return g_strdup (ret);
return g_strdup_printf ("%s (%s Profile)", ret, profile);
} else if (strcmp (info->type, "video/x-h265") == 0) {
const gchar *profile = gst_structure_get_string (s, "profile");
if (profile != NULL)
profile = pbutils_desc_get_h265_profile_name_from_nick (profile);
if (profile != NULL)
return g_strdup_printf ("H.265 (%s Profile)", profile);
return g_strdup ("H.265");
} else if (strcmp (info->type, "video/x-dirac") == 0) {
const gchar *profile = gst_structure_get_string (s, "profile");
if (profile == NULL)
return g_strdup ("Dirac");
if (strcmp (profile, "vc2-low-delay") == 0)
return g_strdup_printf ("Dirac (%s)", "VC-2 Low Delay Profile");
else if (strcmp (profile, "vc2-simple") == 0)
return g_strdup_printf ("Dirac (%s)", "VC-2 Simple Profile");
else if (strcmp (profile, "vc2-main") == 0)
return g_strdup_printf ("Dirac (%s)", "VC-2 Main Profile");
else
return g_strdup ("Dirac");
} else if (strcmp (info->type, "video/x-divx") == 0) {
gint ver = 0;
if (!gst_structure_get_int (s, "divxversion", &ver) || ver <= 2) {
GST_WARNING ("Unexpected DivX version in %" GST_PTR_FORMAT, caps);
return g_strdup ("DivX MPEG-4");
}
return g_strdup_printf (_("DivX MPEG-4 Version %d"), ver);
} else if (strcmp (info->type, "video/x-msmpeg") == 0) {
gint ver = 0;
if (!gst_structure_get_int (s, "msmpegversion", &ver) ||
ver < 40 || ver > 49) {
GST_WARNING ("Unexpected msmpegversion in %" GST_PTR_FORMAT, caps);
return g_strdup ("Microsoft MPEG-4 4.x");
}
return g_strdup_printf ("Microsoft MPEG-4 4.%d", ver % 10);
} else if (strcmp (info->type, "video/x-truemotion") == 0) {
gint ver = 0;
gst_structure_get_int (s, "trueversion", &ver);
switch (ver) {
case 1:
return g_strdup_printf ("Duck TrueMotion 1");
case 2:
return g_strdup_printf ("TrueMotion 2.0");
default:
GST_WARNING ("Unexpected trueversion in %" GST_PTR_FORMAT, caps);
break;
}
return g_strdup_printf ("TrueMotion");
} else if (strcmp (info->type, "video/x-xan") == 0) {
gint ver = 0;
if (!gst_structure_get_int (s, "wcversion", &ver) || ver < 1) {
GST_WARNING ("Unexpected wcversion in %" GST_PTR_FORMAT, caps);
return g_strdup ("Xan Wing Commander");
}
return g_strdup_printf ("Xan Wing Commander %u", ver);
} else if (strcmp (info->type, "video/x-indeo") == 0) {
gint ver = 0;
if (!gst_structure_get_int (s, "indeoversion", &ver) || ver < 2) {
GST_WARNING ("Unexpected indeoversion in %" GST_PTR_FORMAT, caps);
return g_strdup ("Intel Indeo");
}
return g_strdup_printf ("Intel Indeo %u", ver);
} else if (strcmp (info->type, "audio/x-wma") == 0) {
gint ver = 0;
gst_structure_get_int (s, "wmaversion", &ver);
switch (ver) {
case 1:
case 2:
case 3:
return g_strdup_printf ("Windows Media Audio %d", ver + 6);
default:
break;
}
GST_WARNING ("Unexpected wmaversion in %" GST_PTR_FORMAT, caps);
return g_strdup ("Windows Media Audio");
} else if (strcmp (info->type, "video/x-wmv") == 0) {
gint ver = 0;
const gchar *str;
gst_structure_get_int (s, "wmvversion", &ver);
str = gst_structure_get_string (s, "format");
switch (ver) {
case 1:
case 2:
case 3:
if (str && strncmp (str, "MSS", 3)) {
return g_strdup_printf ("Windows Media Video %d Screen", ver + 6);
} else {
return g_strdup_printf ("Windows Media Video %d", ver + 6);
}
default:
break;
}
GST_WARNING ("Unexpected wmvversion in %" GST_PTR_FORMAT, caps);
return g_strdup ("Windows Media Video");
} else if (strcmp (info->type, "audio/x-mace") == 0) {
gint ver = 0;
gst_structure_get_int (s, "maceversion", &ver);
if (ver == 3 || ver == 6) {
return g_strdup_printf ("MACE-%d", ver);
} else {
GST_WARNING ("Unexpected maceversion in %" GST_PTR_FORMAT, caps);
return g_strdup ("MACE");
}
} else if (strcmp (info->type, "video/x-svq") == 0) {
gint ver = 0;
gst_structure_get_int (s, "svqversion", &ver);
if (ver == 1 || ver == 3) {
return g_strdup_printf ("Sorensen Video %d", ver);
} else {
GST_WARNING ("Unexpected svqversion in %" GST_PTR_FORMAT, caps);
return g_strdup ("Sorensen Video");
}
} else if (strcmp (info->type, "video/x-asus") == 0) {
gint ver = 0;
gst_structure_get_int (s, "asusversion", &ver);
if (ver == 1 || ver == 2) {
return g_strdup_printf ("Asus Video %d", ver);
} else {
GST_WARNING ("Unexpected asusversion in %" GST_PTR_FORMAT, caps);
return g_strdup ("Asus Video");
}
} else if (strcmp (info->type, "video/x-ati-vcr") == 0) {
gint ver = 0;
gst_structure_get_int (s, "vcrversion", &ver);
if (ver == 1 || ver == 2) {
return g_strdup_printf ("ATI VCR %d", ver);
} else {
GST_WARNING ("Unexpected acrversion in %" GST_PTR_FORMAT, caps);
return g_strdup ("ATI VCR");
}
} else if (strcmp (info->type, "audio/x-adpcm") == 0) {
const GValue *layout_val;
layout_val = gst_structure_get_value (s, "layout");
if (layout_val != NULL && G_VALUE_HOLDS_STRING (layout_val)) {
const gchar *layout;
if ((layout = g_value_get_string (layout_val))) {
gchar *layout_upper, *ret;
if (strcmp (layout, "swf") == 0)
return g_strdup ("Shockwave ADPCM");
if (strcmp (layout, "microsoft") == 0)
return g_strdup ("Microsoft ADPCM");
if (strcmp (layout, "quicktime") == 0)
return g_strdup ("Quicktime ADPCM");
if (strcmp (layout, "westwood") == 0)
return g_strdup ("Westwood ADPCM");
if (strcmp (layout, "yamaha") == 0)
return g_strdup ("Yamaha ADPCM");
/* FIXME: other layouts: sbpro2, sbpro3, sbpro4, ct, g726, ea,
* adx, xa, 4xm, smjpeg, dk4, dk3, dvi */
layout_upper = g_ascii_strup (layout, -1);
ret = g_strdup_printf ("%s ADPCM", layout_upper);
g_free (layout_upper);
return ret;
}
}
return g_strdup ("ADPCM");
} else if (strcmp (info->type, "audio/mpeg") == 0) {
gint ver = 0, layer = 0;
gst_structure_get_int (s, "mpegversion", &ver);
switch (ver) {
case 1:
gst_structure_get_int (s, "layer", &layer);
switch (layer) {
case 1:
case 2:
case 3:
return g_strdup_printf ("MPEG-1 Layer %d (MP%d)", layer, layer);
default:
break;
}
GST_WARNING ("Unexpected MPEG-1 layer in %" GST_PTR_FORMAT, caps);
return g_strdup ("MPEG-1 Audio");
case 2:
return g_strdup ("MPEG-2 AAC");
case 4:
return g_strdup ("MPEG-4 AAC");
default:
break;
}
GST_WARNING ("Unexpected audio mpegversion in %" GST_PTR_FORMAT, caps);
return g_strdup ("MPEG Audio");
} else if (strcmp (info->type, "audio/x-pn-realaudio") == 0) {
gint ver = 0;
gst_structure_get_int (s, "raversion", &ver);
switch (ver) {
case 1:
return g_strdup ("RealAudio 14k4bps");
case 2:
return g_strdup ("RealAudio 28k8bps");
case 8:
return g_strdup ("RealAudio G2 (Cook)");
default:
break;
}
GST_WARNING ("Unexpected raversion in %" GST_PTR_FORMAT, caps);
return g_strdup ("RealAudio");
} else if (strcmp (info->type, "video/x-pn-realvideo") == 0) {
gint ver = 0;
gst_structure_get_int (s, "rmversion", &ver);
switch (ver) {
case 1:
return g_strdup ("RealVideo 1.0");
case 2:
return g_strdup ("RealVideo 2.0");
case 3:
return g_strdup ("RealVideo 3.0");
case 4:
return g_strdup ("RealVideo 4.0");
default:
break;
}
GST_WARNING ("Unexpected rmversion in %" GST_PTR_FORMAT, caps);
return g_strdup ("RealVideo");
} else if (strcmp (info->type, "video/mpeg") == 0) {
gboolean sysstream;
gint ver = 0;
if (!gst_structure_get_boolean (s, "systemstream", &sysstream)) {
GST_WARNING ("Missing systemstream field in mpeg video caps "
"%" GST_PTR_FORMAT, caps);
sysstream = FALSE;
}
if (gst_structure_get_int (s, "mpegversion", &ver) && ver > 0 && ver <= 4) {
if (sysstream) {
return g_strdup_printf ("MPEG-%d System Stream", ver);
} else {
const gchar *profile = gst_structure_get_string (s, "profile");
if (profile != NULL) {
if (ver == 4)
profile = pbutils_desc_get_mpeg4v_profile_name_from_nick (profile);
else if (ver == 2)
profile = pbutils_desc_get_mpeg2v_profile_name_from_nick (profile);
else
profile = NULL;
}
if (profile != NULL)
return g_strdup_printf ("MPEG-%d Video (%s Profile)", ver, profile);
else
return g_strdup_printf ("MPEG-%d Video", ver);
}
}
GST_WARNING ("Missing mpegversion field in mpeg video caps "
"%" GST_PTR_FORMAT, caps);
return g_strdup ("MPEG Video");
} else if (strcmp (info->type, "audio/x-raw") == 0) {
gint depth = 0;
gboolean is_float;
const gchar *str;
GstAudioFormat format;
const GstAudioFormatInfo *finfo;
str = gst_structure_get_string (s, "format");
format = gst_audio_format_from_string (str);
if (format == GST_AUDIO_FORMAT_UNKNOWN)
return g_strdup (_("Uncompressed audio"));
finfo = gst_audio_format_get_info (format);
depth = GST_AUDIO_FORMAT_INFO_DEPTH (finfo);
is_float = GST_AUDIO_FORMAT_INFO_IS_FLOAT (finfo);
return g_strdup_printf (_("Raw %d-bit %s audio"), depth,
is_float ? "floating-point" : "PCM");
} else if (strcmp (info->type, "video/x-tscc") == 0) {
gint version;
gst_structure_get_int (s, "tsccversion", &version);
switch (version) {
case 1:
return g_strdup ("TechSmith Screen Capture 1");
case 2:
return g_strdup ("TechSmith Screen Capture 2");
default:
break;
}
GST_WARNING ("Unexpected version in %" GST_PTR_FORMAT, caps);
return g_strdup ("TechSmith Screen Capture");
}
return NULL;
}
/**
* gst_niimaqsrc_get_cam_caps:
* src: #GstNiImaq instance
*
* Get caps of camera attached to open IMAQ interface
*
* Returns: the #GstCaps of the src pad. Unref the caps when you no longer need it.
*/
GstCaps *
gst_niimaqsrc_get_cam_caps (GstNiImaqSrc * src)
{
GstCaps *gcaps = NULL;
Int32 rval;
uInt32 val;
gint depth, bpp;
GstVideoInfo vinfo;
if (!src->iid) {
GST_ELEMENT_ERROR (src, RESOURCE, FAILED,
("Camera interface not open"), ("Camera interface not open"));
goto error;
}
gst_video_info_init (&vinfo);
GST_LOG_OBJECT (src, "Retrieving attributes from IMAQ interface");
rval = imgGetAttribute (src->iid, IMG_ATTR_BITSPERPIXEL, &val);
gst_niimaqsrc_report_imaq_error (rval);
bpp = val;
rval &= imgGetAttribute (src->iid, IMG_ATTR_BYTESPERPIXEL, &val);
gst_niimaqsrc_report_imaq_error (rval);
depth = val * 8;
rval &= imgGetAttribute (src->iid, IMG_ATTR_ROI_WIDTH, &val);
gst_niimaqsrc_report_imaq_error (rval);
vinfo.width = val;
rval &= imgGetAttribute (src->iid, IMG_ATTR_ROI_HEIGHT, &val);
gst_niimaqsrc_report_imaq_error (rval);
vinfo.height = val;
if (rval) {
GST_ELEMENT_ERROR (src, STREAM, FAILED,
("attempt to read attributes failed"),
("attempt to read attributes failed"));
goto error;
}
if (depth == 8)
vinfo.finfo = gst_video_format_get_info (GST_VIDEO_FORMAT_GRAY8);
else if (depth == 16)
vinfo.finfo = gst_video_format_get_info (GST_VIDEO_FORMAT_GRAY16_LE);
else if (depth == 32)
vinfo.finfo = gst_video_format_get_info (GST_VIDEO_FORMAT_BGRA);
else {
GST_ERROR_OBJECT (src, "Depth %d (%d-bit) not supported yet", depth, bpp);
goto error;
}
vinfo.fps_n = 30;
vinfo.fps_d = 1;
/* hard code framerate and par as IMAQ doesn't tell us anything about it */
gcaps = gst_video_info_to_caps (&vinfo);
GST_LOG_OBJECT (src, "the camera caps are %" GST_PTR_FORMAT, gcaps);
return gcaps;
error:
if (gcaps) {
gst_caps_unref (gcaps);
}
return NULL;
}
static gboolean
gst_mpeg2dec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
{
GstMpeg2dec *dec = GST_MPEG2DEC (decoder);
GstBufferPool *pool;
guint size, min, max;
GstStructure *config, *down_config = NULL;
GstAllocator *allocator;
GstAllocationParams params;
gboolean update_allocator;
gboolean has_videometa = FALSE;
GstCaps *caps;
/* Get rid of ancient pool */
if (dec->downstream_pool) {
gst_buffer_pool_set_active (dec->downstream_pool, FALSE);
gst_object_unref (dec->downstream_pool);
dec->downstream_pool = NULL;
}
/* Get negotiated allocation caps */
gst_query_parse_allocation (query, &caps, NULL);
/* Set allocation parameters to guarantee 16-byte aligned output buffers */
if (gst_query_get_n_allocation_params (query) > 0) {
gst_query_parse_nth_allocation_param (query, 0, &allocator, ¶ms);
update_allocator = TRUE;
} else {
allocator = NULL;
gst_allocation_params_init (¶ms);
update_allocator = FALSE;
}
params.align = MAX (params.align, 15);
if (update_allocator)
gst_query_set_nth_allocation_param (query, 0, allocator, ¶ms);
else
gst_query_add_allocation_param (query, allocator, ¶ms);
/* Now chain up to the parent class to guarantee that we can
* get a buffer pool from the query */
if (!GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation (decoder,
query)) {
if (allocator)
gst_object_unref (allocator);
return FALSE;
}
gst_query_parse_nth_allocation_pool (query, 0, &pool, &size, &min, &max);
config = gst_buffer_pool_get_config (pool);
if (gst_query_find_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL)) {
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_META);
has_videometa = TRUE;
}
if (dec->need_alignment) {
/* If downstream does not support video meta, we will have to copy, keep
* the downstream pool to avoid double copying */
if (!has_videometa) {
dec->downstream_pool = pool;
pool = NULL;
down_config = config;
config = NULL;
min = 2;
max = 0;
}
/* In case downstream support video meta, but the downstream pool does not
* have alignment support, discard downstream pool and use video pool */
else if (!gst_buffer_pool_has_option (pool,
GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT)) {
gst_object_unref (pool);
pool = NULL;
gst_structure_free (config);
config = NULL;
}
if (!pool)
pool = gst_mpeg2dec_create_generic_pool (allocator, ¶ms, caps, size,
min, max, &config);
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT);
gst_buffer_pool_config_set_video_alignment (config, &dec->valign);
}
if (allocator)
gst_object_unref (allocator);
/* If we are copying out, we'll need to setup and activate the other pool */
if (dec->downstream_pool) {
if (!gst_buffer_pool_set_config (dec->downstream_pool, down_config)) {
down_config = gst_buffer_pool_get_config (dec->downstream_pool);
if (!gst_buffer_pool_config_validate_params (down_config, caps, size, min,
max)) {
gst_structure_free (down_config);
goto config_failed;
}
if (!gst_buffer_pool_set_config (dec->downstream_pool, down_config))
goto config_failed;
}
if (!gst_buffer_pool_set_active (dec->downstream_pool, TRUE))
goto activate_failed;
}
/* Now configure the pool, if the pool had made some changes, it will
* return FALSE. Validate the changes ...*/
if (!gst_buffer_pool_set_config (pool, config)) {
config = gst_buffer_pool_get_config (pool);
/* Check basic params */
if (!gst_buffer_pool_config_validate_params (config, caps, size, min, max)) {
gst_structure_free (config);
goto config_failed;
}
/* If needed, check that resulting alignment is still valid */
if (dec->need_alignment) {
GstVideoAlignment valign;
if (!gst_buffer_pool_config_get_video_alignment (config, &valign)) {
gst_structure_free (config);
goto config_failed;
}
if (valign.padding_left != 0 || valign.padding_top != 0
|| valign.padding_right < dec->valign.padding_right
|| valign.padding_bottom < dec->valign.padding_bottom) {
gst_structure_free (config);
goto config_failed;
}
}
if (!gst_buffer_pool_set_config (pool, config))
goto config_failed;
}
/* For external pools, we need to check strides */
if (!GST_IS_VIDEO_BUFFER_POOL (pool) && has_videometa) {
GstBuffer *buffer;
const GstVideoFormatInfo *finfo;
GstVideoMeta *vmeta;
gint uv_stride;
if (!gst_buffer_pool_set_active (pool, TRUE))
goto activate_failed;
if (gst_buffer_pool_acquire_buffer (pool, &buffer, NULL) != GST_FLOW_OK) {
gst_buffer_pool_set_active (pool, FALSE);
goto acquire_failed;
}
vmeta = gst_buffer_get_video_meta (buffer);
finfo = gst_video_format_get_info (vmeta->format);
/* Check that strides are compatible. In this case, we can scale the
* stride directly since all the pixel strides for the formats we support
* is 1 */
uv_stride = GST_VIDEO_FORMAT_INFO_SCALE_WIDTH (finfo, 1, vmeta->stride[0]);
if (uv_stride != vmeta->stride[1] || uv_stride != vmeta->stride[2]) {
gst_buffer_pool_set_active (pool, FALSE);
gst_object_unref (pool);
pool = gst_mpeg2dec_create_generic_pool (allocator, ¶ms, caps, size,
min, max, &config);
if (dec->need_alignment) {
gst_buffer_pool_config_add_option (config,
GST_BUFFER_POOL_OPTION_VIDEO_ALIGNMENT);
gst_buffer_pool_config_set_video_alignment (config, &dec->valign);
}
/* Generic pool don't fail on _set_config() */
gst_buffer_pool_set_config (pool, config);
}
gst_buffer_unref (buffer);
}
gst_query_set_nth_allocation_pool (query, 0, pool, size, min, max);
gst_object_unref (pool);
return TRUE;
config_failed:
gst_object_unref (pool);
GST_ELEMENT_ERROR (dec, RESOURCE, SETTINGS,
("Failed to configure buffer pool"),
("Configuration is most likely invalid, please report this issue."));
return FALSE;
activate_failed:
gst_object_unref (pool);
GST_ELEMENT_ERROR (dec, RESOURCE, SETTINGS,
("Failed to activate buffer pool"), (NULL));
return FALSE;
acquire_failed:
gst_object_unref (pool);
GST_ELEMENT_ERROR (dec, RESOURCE, SETTINGS,
("Failed to acquire a buffer"), (NULL));
return FALSE;
}
/**
* gst_video_frame_map_id:
* @frame: pointer to #GstVideoFrame
* @info: a #GstVideoInfo
* @buffer: the buffer to map
* @id: the frame id to map
* @flags: #GstMapFlags
*
* Use @info and @buffer to fill in the values of @frame with the video frame
* information of frame @id.
*
* When @id is -1, the default frame is mapped. When @id != -1, this function
* will return %FALSE when there is no GstVideoMeta with that id.
*
* All video planes of @buffer will be mapped and the pointers will be set in
* @frame->data.
*
* Returns: %TRUE on success.
*/
gboolean
gst_video_frame_map_id (GstVideoFrame * frame, GstVideoInfo * info,
GstBuffer * buffer, gint id, GstMapFlags flags)
{
GstVideoMeta *meta;
gint i;
g_return_val_if_fail (frame != NULL, FALSE);
g_return_val_if_fail (info != NULL, FALSE);
g_return_val_if_fail (GST_IS_BUFFER (buffer), FALSE);
if (id == -1)
meta = gst_buffer_get_video_meta (buffer);
else
meta = gst_buffer_get_video_meta_id (buffer, id);
/* copy the info */
frame->info = *info;
if (meta) {
frame->info.finfo = gst_video_format_get_info (meta->format);
frame->info.width = meta->width;
frame->info.height = meta->height;
frame->id = meta->id;
frame->flags = meta->flags;
for (i = 0; i < info->finfo->n_planes; i++)
if (!gst_video_meta_map (meta, i, &frame->map[i], &frame->data[i],
&frame->info.stride[i], flags))
goto frame_map_failed;
} else {
/* no metadata, we really need to have the metadata when the id is
* specified. */
if (id != -1)
goto no_metadata;
frame->id = id;
frame->flags = 0;
if (!gst_buffer_map (buffer, &frame->map[0], flags))
goto map_failed;
/* do some sanity checks */
if (frame->map[0].size < info->size)
goto invalid_size;
/* set up pointers */
for (i = 0; i < info->finfo->n_planes; i++) {
frame->data[i] = frame->map[0].data + info->offset[i];
}
}
frame->buffer = gst_buffer_ref (buffer);
frame->meta = meta;
/* buffer flags enhance the frame flags */
if (GST_VIDEO_INFO_IS_INTERLACED (info)) {
if (GST_BUFFER_FLAG_IS_SET (buffer, GST_VIDEO_BUFFER_FLAG_INTERLACED))
frame->flags |= GST_VIDEO_FRAME_FLAG_INTERLACED;
if (GST_BUFFER_FLAG_IS_SET (buffer, GST_VIDEO_BUFFER_FLAG_TFF))
frame->flags |= GST_VIDEO_FRAME_FLAG_TFF;
if (GST_BUFFER_FLAG_IS_SET (buffer, GST_VIDEO_BUFFER_FLAG_RFF))
frame->flags |= GST_VIDEO_FRAME_FLAG_RFF;
if (GST_BUFFER_FLAG_IS_SET (buffer, GST_VIDEO_BUFFER_FLAG_ONEFIELD))
frame->flags |= GST_VIDEO_FRAME_FLAG_ONEFIELD;
}
return TRUE;
/* ERRORS */
no_metadata:
{
GST_ERROR ("no GstVideoMeta for id %d", id);
return FALSE;
}
frame_map_failed:
{
GST_ERROR ("failed to map video frame plane %d", i);
while (--i >= 0)
gst_video_meta_unmap (meta, i, &frame->map[i]);
return FALSE;
}
map_failed:
{
GST_ERROR ("failed to map buffer");
return FALSE;
}
invalid_size:
{
GST_ERROR ("invalid buffer size %" G_GSIZE_FORMAT " < %" G_GSIZE_FORMAT,
frame->map[0].size, info->size);
gst_buffer_unmap (buffer, &frame->map[0]);
return FALSE;
}
}
static gboolean
gst_video_test_src_setcaps (GstBaseSrc * bsrc, GstCaps * caps)
{
const GstStructure *structure;
GstVideoTestSrc *videotestsrc;
GstVideoInfo info;
videotestsrc = GST_VIDEO_TEST_SRC (bsrc);
structure = gst_caps_get_structure (caps, 0);
if (gst_structure_has_name (structure, "video/x-raw")) {
/* we can use the parsing code */
if (!gst_video_info_from_caps (&info, caps))
goto parse_failed;
} else if (gst_structure_has_name (structure, "video/x-bayer")) {
gint x_inv = 0, y_inv = 0;
gst_video_info_init (&info);
info.finfo = gst_video_format_get_info (GST_VIDEO_FORMAT_GRAY8);
if (!gst_video_test_src_parse_caps (caps, &info.width, &info.height,
&info.fps_n, &info.fps_d, &info.colorimetry, &x_inv, &y_inv))
goto parse_failed;
info.size = GST_ROUND_UP_4 (info.width) * info.height;
info.stride[0] = GST_ROUND_UP_4 (info.width);
videotestsrc->bayer = TRUE;
videotestsrc->x_invert = x_inv;
videotestsrc->y_invert = y_inv;
}
/* looks ok here */
videotestsrc->info = info;
GST_DEBUG_OBJECT (videotestsrc, "size %dx%d, %d/%d fps",
info.width, info.height, info.fps_n, info.fps_d);
g_free (videotestsrc->tmpline);
g_free (videotestsrc->tmpline2);
g_free (videotestsrc->tmpline_u8);
g_free (videotestsrc->tmpline_u16);
videotestsrc->tmpline_u8 = g_malloc (info.width + 8);
videotestsrc->tmpline = g_malloc ((info.width + 8) * 4);
videotestsrc->tmpline2 = g_malloc ((info.width + 8) * 4);
videotestsrc->tmpline_u16 = g_malloc ((info.width + 16) * 8);
videotestsrc->accum_rtime += videotestsrc->running_time;
videotestsrc->accum_frames += videotestsrc->n_frames;
videotestsrc->running_time = 0;
videotestsrc->n_frames = 0;
return TRUE;
/* ERRORS */
parse_failed:
{
GST_DEBUG_OBJECT (bsrc, "failed to parse caps");
return FALSE;
}
}
