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jpegparse: Parse AVI1 tag in app0.

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3943>
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Víctor Manuel Jáquez Leal 2023-02-15 19:02:35 +01:00
parent cbbfab0f3b
commit cbc7374c95
1 changed files with 13 additions and 0 deletions
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13
subprojects/gst-plugins-bad/gst/jpegformat/gstjpegparse.c
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@ -50,6 +50,7 @@
* + APP3 -- meta (same as exif) * + APP3 -- meta (same as exif)
* + APP12 -- Photoshop Save for Web: Ducky / Picture info * + APP12 -- Photoshop Save for Web: Ducky / Picture info
* + APP13 -- Adobe IRB * + APP13 -- Adobe IRB
* + check for interlaced mjpeg
*/ */
#ifdef HAVE_CONFIG_H #ifdef HAVE_CONFIG_H
@ -436,6 +437,18 @@ gst_jpeg_parse_app0 (GstJpegParse * parse, GstJpegSegment * seg)
return TRUE; return TRUE;
} }
/* https://exiftool.org/TagNames/JPEG.html#AVI1 */
if (g_strcmp0 (id_str, "AVI1") == 0) {
/* polarity */
if (!gst_byte_reader_get_uint8 (&reader, &unit))
return FALSE;
/* TODO: update caps for interlaced MJPEG */
GST_DEBUG_OBJECT (parse, "MJPEG interleaved field: %d", unit);
return TRUE;
}
return FALSE; return FALSE;
} }