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Re-enable zbar, don't crash application if using an unsupported pixel format for preview for zbar

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This commit is contained in:
Kristian Vos
2024-07-01 12:48:55 +02:00
parent e41dc80a71
commit db188f2db7
1 changed files with 40 additions and 39 deletions
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25
src/zbar_pipeline.c
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@@ -183,24 +183,25 @@ process_image(MPPipeline *pipeline, MPZBarImage **_image)
libmegapixels_mode_width_to_bytes(image->format, image->width); libmegapixels_mode_width_to_bytes(image->format, image->width);
int padding_bytes = int padding_bytes =
libmegapixels_mode_width_to_padding(image->format, image->width); libmegapixels_mode_width_to_padding(image->format, image->width);
uint32_t pixel_format = libmegapixels_format_to_v4l_pixfmt(image->format);
size_t i = 0, padding_offset = 0; size_t i = 0, padding_offset = 0;
size_t offset; size_t offset;
/* TODO: implement
switch (image->pixel_format) { switch (pixel_format) {
case MP_PIXEL_FMT_BGGR8: case V4L2_PIX_FMT_SBGGR8:
case MP_PIXEL_FMT_GBRG8: case V4L2_PIX_FMT_SGBRG8:
case MP_PIXEL_FMT_GRBG8: case V4L2_PIX_FMT_SGRBG8:
case MP_PIXEL_FMT_RGGB8: case V4L2_PIX_FMT_SRGGB8:
for (int y = 0; y < image->height; y += 2) { for (int y = 0; y < image->height; y += 2) {
for (int x = 0; x < row_length; x += 2) { for (int x = 0; x < row_length; x += 2) {
data[i++] = image->data[x + row_length * y]; data[i++] = image->data[x + row_length * y];
} }
} }
break; break;
case MP_PIXEL_FMT_BGGR10P: case V4L2_PIX_FMT_SBGGR10P:
case MP_PIXEL_FMT_GBRG10P: case V4L2_PIX_FMT_SGBRG10P:
case MP_PIXEL_FMT_GRBG10P: case V4L2_PIX_FMT_SGRBG10P:
case MP_PIXEL_FMT_RGGB10P: case V4L2_PIX_FMT_SRGGB10P:
// Skip 5th byte of each 4-pixel segment by incrementing an // Skip 5th byte of each 4-pixel segment by incrementing an
// offset every time a 5th byte is reached, making the // offset every time a 5th byte is reached, making the
// X coordinate land on the next byte: // X coordinate land on the next byte:
@@ -225,7 +226,8 @@ process_image(MPPipeline *pipeline, MPZBarImage **_image)
} }
break; break;
default: default:
assert(0); printf("Preview pixel format not supported - zbar won't work\n");
return;
} }
// Create image for zbar // Create image for zbar
@@ -261,7 +263,6 @@ process_image(MPPipeline *pipeline, MPZBarImage **_image)
mp_zbar_image_unref(image); mp_zbar_image_unref(image);
++frames_processed; ++frames_processed;
*/
} }
void void