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jpegenc: set colorspace before _set_defaults()

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The libjpeg api says that we need to set the colorspace before we call
_set_defaults(). Indeed, if we don't do that we end up with some very freaky
non-standard quant table and huffman table indexes.
This commit is contained in:
Wim Taymans 2009-05-05 16:24:16 +02:00
parent 356e863c9c
commit 4606188039
1 changed files with 11 additions and 14 deletions
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25
ext/jpeg/gstjpegenc.c
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@ -360,11 +360,6 @@ gst_jpegenc_resync (GstJpegEnc * jpegenc)
GST_DEBUG_OBJECT (jpegenc, "width %d, height %d", width, height);
jpeg_set_defaults (&jpegenc->cinfo);
jpegenc->cinfo.dct_method = JDCT_FASTEST;
/*jpegenc->cinfo.dct_method = JDCT_DEFAULT; */
/*jpegenc->cinfo.smoothing_factor = jpegenc->smoothing; */
jpeg_set_quality (&jpegenc->cinfo, jpegenc->quality, TRUE);
#if 0
switch (jpegenc->format) {
@ -376,16 +371,18 @@ gst_jpegenc_resync (GstJpegEnc * jpegenc)
break;
case GST_COLORSPACE_YUV420P:
#endif
jpegenc->bufsize = I420_SIZE (jpegenc->width, jpegenc->height);
jpegenc->cinfo.raw_data_in = TRUE;
jpegenc->cinfo.in_color_space = JCS_YCbCr;
GST_DEBUG_OBJECT (jpegenc, "setting format to YUV420P");
jpegenc->cinfo.comp_info[0].h_samp_factor = 2;
jpegenc->cinfo.comp_info[0].v_samp_factor = 2;
jpegenc->cinfo.comp_info[1].h_samp_factor = 1;
jpegenc->cinfo.comp_info[1].v_samp_factor = 1;
jpegenc->cinfo.comp_info[2].h_samp_factor = 1;
jpegenc->cinfo.comp_info[2].v_samp_factor = 1;
jpegenc->bufsize = I420_SIZE (jpegenc->width, jpegenc->height);
jpegenc->cinfo.in_color_space = JCS_YCbCr;
jpeg_set_defaults (&jpegenc->cinfo);
jpeg_set_quality (&jpegenc->cinfo, jpegenc->quality, TRUE);
jpegenc->cinfo.raw_data_in = TRUE;
jpegenc->cinfo.dct_method = JDCT_FASTEST;
/*jpegenc->cinfo.dct_method = JDCT_DEFAULT; */
/*jpegenc->cinfo.smoothing_factor = jpegenc->smoothing; */
if (height != -1) {
jpegenc->line[0] =