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jpegdec: add a G_UNLIKELY and put perf-cat log to code path that copies

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This commit is contained in:
Stefan Kost 2009-09-18 17:26:42 +03:00
parent 2f26ee4285
commit 253f43203d
1 changed files with 6 additions and 1 deletions
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7
ext/jpeg/gstjpegdec.c
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@ -82,6 +82,7 @@ GST_STATIC_PAD_TEMPLATE ("sink",
GST_DEBUG_CATEGORY_STATIC (jpeg_dec_debug);
#define GST_CAT_DEFAULT jpeg_dec_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_PERFORMANCE);
/* These macros are adapted from videotestsrc.c
* and/or gst-plugins/gst/games/gstvideoimage.c */
@ -191,6 +192,7 @@ gst_jpeg_dec_class_init (GstJpegDecClass * klass)
GST_DEBUG_FUNCPTR (gst_jpeg_dec_change_state);
GST_DEBUG_CATEGORY_INIT (jpeg_dec_debug, "jpegdec", 0, "JPEG decoder");
GST_DEBUG_CATEGORY_GET (GST_CAT_PERFORMANCE, "GST_PERFORMANCE");
}
static boolean
@ -1057,7 +1059,10 @@ gst_jpeg_dec_chain (GstPad * pad, GstBuffer * buf)
* copy over the data into our final picture buffer, otherwise jpeglib might
* write over the end of a line into the beginning of the next line,
* resulting in blocky artifacts on the left side of the picture. */
if (r_h != 2 || width % (dec->cinfo.max_h_samp_factor * DCTSIZE) != 0) {
if (G_UNLIKELY (r_h != 2
|| width % (dec->cinfo.max_h_samp_factor * DCTSIZE) != 0)) {
GST_CAT_LOG_OBJECT (GST_CAT_PERFORMANCE, dec,
"indirect decoding using extra buffer copy");
gst_jpeg_dec_decode_indirect (dec, base, last, width, height, r_v, r_h);
} else {
gst_jpeg_dec_decode_direct (dec, base, last, width, height, r_v);