mirrors/gstreamer
mirrors/gstreamer
1
1
Fork 0
mirror of https://gitlab.freedesktop.org/gstreamer/gstreamer.git synced 2024-12-19 23:06:49 +00:00
Code Issues 1 Projects Releases Wiki Activity

openjpegdec: Improve robustness against formats with different settings per component

Browse source
This commit is contained in:
Sebastian Dröge 2012-12-17 17:19:54 +01:00
parent 8b33b17748
commit d70e43a069
1 changed files with 45 additions and 14 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

59
ext/openjpeg/gstopenjpegdec.c
View file

@ -649,6 +649,18 @@ fill_frame_planar16_4_generic (GstVideoFrame * frame, opj_image_t * image)
}
}
static gint
get_highest_prec (opj_image_t * image)
{
gint i;
gint ret = 0;
for (i = 0; i < image->numcomps; i++)
ret = MAX (image->comps[i].prec, ret);
return ret;
}
static GstFlowReturn
gst_openjpeg_dec_negotiate (GstOpenJPEGDec * self, opj_image_t * image)
{
@ -661,15 +673,18 @@ gst_openjpeg_dec_negotiate (GstOpenJPEGDec * self, opj_image_t * image)
switch (image->color_space) {
case CLRSPC_SRGB:
if (image->numcomps == 4) {
if (image->comps[3].dx != 1 && image->comps[3].dy != 1) {
if (image->comps[0].dx != 1 || image->comps[0].dy != 1 ||
image->comps[1].dx != 1 || image->comps[1].dy != 1 ||
image->comps[2].dx != 1 || image->comps[2].dy != 1 ||
image->comps[3].dx != 1 || image->comps[3].dy != 1) {
GST_ERROR_OBJECT (self, "Sub-sampling for RGB not supported");
return GST_FLOW_NOT_NEGOTIATED;
}
if (image->comps[3].prec == 8) {
if (get_highest_prec (image) == 8) {
self->fill_frame = fill_frame_packed8_4;
format = GST_VIDEO_FORMAT_ARGB;
} else if (image->comps[3].prec <= 16) {
} else if (get_highest_prec (image) <= 16) {
self->fill_frame = fill_frame_packed16_4;
format = GST_VIDEO_FORMAT_ARGB64;
} else {
@ -677,19 +692,22 @@ gst_openjpeg_dec_negotiate (GstOpenJPEGDec * self, opj_image_t * image)
return GST_FLOW_NOT_NEGOTIATED;
}
} else if (image->numcomps == 3) {
if (image->comps[2].dx != 1 && image->comps[2].dy != 1) {
if (image->comps[0].dx != 1 || image->comps[0].dy != 1 ||
image->comps[1].dx != 1 || image->comps[1].dy != 1 ||
image->comps[2].dx != 1 || image->comps[2].dy != 1) {
GST_ERROR_OBJECT (self, "Sub-sampling for RGB not supported");
return GST_FLOW_NOT_NEGOTIATED;
}
if (image->comps[2].prec == 8) {
if (get_highest_prec (image) == 8) {
self->fill_frame = fill_frame_packed8_3;
format = GST_VIDEO_FORMAT_ARGB;
} else if (image->comps[2].prec <= 16) {
} else if (get_highest_prec (image) <= 16) {
self->fill_frame = fill_frame_packed16_3;
format = GST_VIDEO_FORMAT_ARGB64;
} else {
GST_ERROR_OBJECT (self, "Unsupported depth %d", image->comps[3].prec);
GST_ERROR_OBJECT (self, "Unsupported depth %d",
get_highest_prec (image));
return GST_FLOW_NOT_NEGOTIATED;
}
} else {
@ -705,10 +723,10 @@ gst_openjpeg_dec_negotiate (GstOpenJPEGDec * self, opj_image_t * image)
return GST_FLOW_NOT_NEGOTIATED;
}
if (image->comps[0].prec == 8) {
if (get_highest_prec (image) == 8) {
self->fill_frame = fill_frame_planar8_1;
format = GST_VIDEO_FORMAT_GRAY8;
} else if (image->comps[0].prec <= 16) {
} else if (get_highest_prec (image) <= 16) {
self->fill_frame = fill_frame_planar16_1;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
format = GST_VIDEO_FORMAT_GRAY16_LE;
@ -716,7 +734,8 @@ gst_openjpeg_dec_negotiate (GstOpenJPEGDec * self, opj_image_t * image)
format = GST_VIDEO_FORMAT_GRAY16_BE;
#endif
} else {
GST_ERROR_OBJECT (self, "Unsupported depth %d", image->comps[0].prec);
GST_ERROR_OBJECT (self, "Unsupported depth %d",
get_highest_prec (image));
return GST_FLOW_NOT_NEGOTIATED;
}
} else {
@ -726,6 +745,12 @@ gst_openjpeg_dec_negotiate (GstOpenJPEGDec * self, opj_image_t * image)
}
break;
case CLRSPC_SYCC:
if (image->numcomps != 3 && image->numcomps != 4) {
GST_ERROR_OBJECT (self, "Unsupported number of YUV components: %d",
image->numcomps);
return GST_FLOW_NOT_NEGOTIATED;
}
if (image->comps[0].dx != 1 || image->comps[0].dy != 1) {
GST_ERROR_OBJECT (self, "Sub-sampling of luma plane not supported");
return GST_FLOW_NOT_NEGOTIATED;
@ -739,7 +764,12 @@ gst_openjpeg_dec_negotiate (GstOpenJPEGDec * self, opj_image_t * image)
}
if (image->numcomps == 4) {
if (image->comps[3].prec == 8) {
if (image->comps[3].dx != 1 || image->comps[3].dy != 1) {
GST_ERROR_OBJECT (self, "Sub-sampling of alpha plane not supported");
return GST_FLOW_NOT_NEGOTIATED;
}
if (get_highest_prec (image) == 8) {
self->fill_frame = fill_frame_planar8_4_generic;
format = GST_VIDEO_FORMAT_AYUV;
} else if (image->comps[3].prec <= 16) {
@ -750,7 +780,7 @@ gst_openjpeg_dec_negotiate (GstOpenJPEGDec * self, opj_image_t * image)
return GST_FLOW_NOT_NEGOTIATED;
}
} else if (image->numcomps == 3) {
if (image->comps[2].prec == 8) {
if (get_highest_prec (image) == 8) {
if (image->comps[1].dx == 1 && image->comps[1].dy == 1) {
self->fill_frame = fill_frame_planar8_3;
format = GST_VIDEO_FORMAT_Y444;
@ -770,7 +800,7 @@ gst_openjpeg_dec_negotiate (GstOpenJPEGDec * self, opj_image_t * image)
self->fill_frame = fill_frame_planar8_3_generic;
format = GST_VIDEO_FORMAT_AYUV;
}
} else if (image->comps[2].prec <= 16) {
} else if (get_highest_prec (image) <= 16) {
if (image->comps[1].dx == 1 && image->comps[1].dy == 1) {
self->fill_frame = fill_frame_planar16_3;
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
@ -797,7 +827,8 @@ gst_openjpeg_dec_negotiate (GstOpenJPEGDec * self, opj_image_t * image)
format = GST_VIDEO_FORMAT_AYUV64;
}
} else {
GST_ERROR_OBJECT (self, "Unsupported depth %d", image->comps[0].prec);
GST_ERROR_OBJECT (self, "Unsupported depth %d",
get_highest_prec (image));
return GST_FLOW_NOT_NEGOTIATED;
}
} else {