wok annotate mupdf/stuff/use_openjpeg_1.5.patch @ rev 18472

ghostscript, libv4l, slitaz-base-files: fix installation (thanks llev)
ghostscript: fix package upgrades;
libv4l: check multiple preloads in case of upgrade, not add preload if installation not finished/fails;
slitaz-base-files: not to overwrite real sudo.
author Aleksej Bobylev <al.bobylev@gmail.com>
date Mon Oct 05 01:10:26 2015 +0300 (2015-10-05)
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rev   line source
pascal@16622 1 commit a7341e98ef48d6041028b7294d1acc13665b04ba
pascal@16622 2 Author: Quoc-Viet Nguyen <afelion@gmail.com>
pascal@16622 3 Date: Fri Apr 18 23:48:29 2014 +1000
pascal@16622 4
pascal@16622 5 Use openjpeg 1.5 rather than 2.0
pascal@16622 6 ---
pascal@16622 7 source/fitz/load-jpx.c | 104 +++++++++----------------------------------------
pascal@16622 8 1 file changed, 18 insertions(+), 86 deletions(-)
pascal@16622 9
pascal@16622 10 diff --git a/source/fitz/load-jpx.c b/source/fitz/load-jpx.c
pascal@16622 11 index dfb89f4..d27b5de 100644
pascal@16622 12 --- a/source/fitz/load-jpx.c
pascal@16622 13 +++ b/source/fitz/load-jpx.c
pascal@16622 14 @@ -27,119 +27,51 @@ static void fz_opj_info_callback(const char *msg, void *client_data)
pascal@16622 15 /* fz_warn("openjpeg info: %s", msg); */
pascal@16622 16 }
pascal@16622 17
pascal@16622 18 -typedef struct stream_block_s
pascal@16622 19 -{
pascal@16622 20 - unsigned char *data;
pascal@16622 21 - int size;
pascal@16622 22 - int pos;
pascal@16622 23 -} stream_block;
pascal@16622 24 -
pascal@16622 25 -static OPJ_SIZE_T fz_opj_stream_read(void * p_buffer, OPJ_SIZE_T p_nb_bytes, void * p_user_data)
pascal@16622 26 -{
pascal@16622 27 - stream_block *sb = (stream_block *)p_user_data;
pascal@16622 28 - int len;
pascal@16622 29 -
pascal@16622 30 - len = sb->size - sb->pos;
pascal@16622 31 - if (len < 0)
pascal@16622 32 - len = 0;
pascal@16622 33 - if (len == 0)
pascal@16622 34 - return (OPJ_SIZE_T)-1; /* End of file! */
pascal@16622 35 - if ((OPJ_SIZE_T)len > p_nb_bytes)
pascal@16622 36 - len = p_nb_bytes;
pascal@16622 37 - memcpy(p_buffer, sb->data + sb->pos, len);
pascal@16622 38 - sb->pos += len;
pascal@16622 39 - return len;
pascal@16622 40 -}
pascal@16622 41 -
pascal@16622 42 -static OPJ_OFF_T fz_opj_stream_skip(OPJ_OFF_T skip, void * p_user_data)
pascal@16622 43 -{
pascal@16622 44 - stream_block *sb = (stream_block *)p_user_data;
pascal@16622 45 -
pascal@16622 46 - if (skip > sb->size - sb->pos)
pascal@16622 47 - skip = sb->size - sb->pos;
pascal@16622 48 - sb->pos += skip;
pascal@16622 49 - return sb->pos;
pascal@16622 50 -}
pascal@16622 51 -
pascal@16622 52 -static OPJ_BOOL fz_opj_stream_seek(OPJ_OFF_T seek_pos, void * p_user_data)
pascal@16622 53 -{
pascal@16622 54 - stream_block *sb = (stream_block *)p_user_data;
pascal@16622 55 -
pascal@16622 56 - if (seek_pos > sb->size)
pascal@16622 57 - return OPJ_FALSE;
pascal@16622 58 - sb->pos = seek_pos;
pascal@16622 59 - return OPJ_TRUE;
pascal@16622 60 -}
pascal@16622 61 -
pascal@16622 62 fz_pixmap *
pascal@16622 63 fz_load_jpx(fz_context *ctx, unsigned char *data, int size, fz_colorspace *defcs, int indexed)
pascal@16622 64 {
pascal@16622 65 fz_pixmap *img;
pascal@16622 66 fz_colorspace *origcs;
pascal@16622 67 + opj_event_mgr_t evtmgr;
pascal@16622 68 opj_dparameters_t params;
pascal@16622 69 - opj_codec_t *codec;
pascal@16622 70 + opj_dinfo_t *codec;
pascal@16622 71 opj_image_t *jpx;
pascal@16622 72 - opj_stream_t *stream;
pascal@16622 73 + opj_cio_t *stream;
pascal@16622 74 fz_colorspace *colorspace;
pascal@16622 75 unsigned char *p;
pascal@16622 76 OPJ_CODEC_FORMAT format;
pascal@16622 77 int a, n, w, h, depth, sgnd;
pascal@16622 78 int x, y, k, v;
pascal@16622 79 - stream_block sb;
pascal@16622 80
pascal@16622 81 if (size < 2)
pascal@16622 82 fz_throw(ctx, FZ_ERROR_GENERIC, "not enough data to determine image format");
pascal@16622 83
pascal@16622 84 /* Check for SOC marker -- if found we have a bare J2K stream */
pascal@16622 85 if (data[0] == 0xFF && data[1] == 0x4F)
pascal@16622 86 - format = OPJ_CODEC_J2K;
pascal@16622 87 + format = CODEC_J2K;
pascal@16622 88 else
pascal@16622 89 - format = OPJ_CODEC_JP2;
pascal@16622 90 + format = CODEC_JP2;
pascal@16622 91 +
pascal@16622 92 + memset(&evtmgr, 0, sizeof(evtmgr));
pascal@16622 93 + evtmgr.error_handler = fz_opj_error_callback;
pascal@16622 94 + evtmgr.warning_handler = fz_opj_warning_callback;
pascal@16622 95 + evtmgr.info_handler = fz_opj_info_callback;
pascal@16622 96
pascal@16622 97 opj_set_default_decoder_parameters(&params);
pascal@16622 98 if (indexed)
pascal@16622 99 params.flags |= OPJ_DPARAMETERS_IGNORE_PCLR_CMAP_CDEF_FLAG;
pascal@16622 100
pascal@16622 101 codec = opj_create_decompress(format);
pascal@16622 102 - opj_set_info_handler(codec, fz_opj_info_callback, ctx);
pascal@16622 103 - opj_set_warning_handler(codec, fz_opj_warning_callback, ctx);
pascal@16622 104 - opj_set_error_handler(codec, fz_opj_error_callback, ctx);
pascal@16622 105 - if (!opj_setup_decoder(codec, &params))
pascal@16622 106 - {
pascal@16622 107 - fz_throw(ctx, FZ_ERROR_GENERIC, "j2k decode failed");
pascal@16622 108 - }
pascal@16622 109 -
pascal@16622 110 - stream = opj_stream_default_create(OPJ_TRUE);
pascal@16622 111 - sb.data = data;
pascal@16622 112 - sb.pos = 0;
pascal@16622 113 - sb.size = size;
pascal@16622 114 + opj_set_event_mgr((opj_common_ptr)codec, &evtmgr, ctx);
pascal@16622 115 + opj_setup_decoder(codec, &params);
pascal@16622 116
pascal@16622 117 - opj_stream_set_read_function(stream, fz_opj_stream_read);
pascal@16622 118 - opj_stream_set_skip_function(stream, fz_opj_stream_skip);
pascal@16622 119 - opj_stream_set_seek_function(stream, fz_opj_stream_seek);
pascal@16622 120 - opj_stream_set_user_data(stream, &sb);
pascal@16622 121 - /* Set the length to avoid an assert */
pascal@16622 122 - opj_stream_set_user_data_length(stream, size);
pascal@16622 123 + stream = opj_cio_open((opj_common_ptr)codec, data, size);
pascal@16622 124
pascal@16622 125 - if (!opj_read_header(stream, codec, &jpx))
pascal@16622 126 - {
pascal@16622 127 - opj_stream_destroy(stream);
pascal@16622 128 - opj_destroy_codec(codec);
pascal@16622 129 - fz_throw(ctx, FZ_ERROR_GENERIC, "Failed to read JPX header");
pascal@16622 130 - }
pascal@16622 131 -
pascal@16622 132 - if (!opj_decode(codec, stream, jpx))
pascal@16622 133 - {
pascal@16622 134 - opj_stream_destroy(stream);
pascal@16622 135 - opj_destroy_codec(codec);
pascal@16622 136 - opj_image_destroy(jpx);
pascal@16622 137 - fz_throw(ctx, FZ_ERROR_GENERIC, "Failed to decode JPX image");
pascal@16622 138 - }
pascal@16622 139 + jpx = opj_decode(codec, stream);
pascal@16622 140
pascal@16622 141 - opj_stream_destroy(stream);
pascal@16622 142 - opj_destroy_codec(codec);
pascal@16622 143 + opj_cio_close(stream);
pascal@16622 144 + opj_destroy_decompress(codec);
pascal@16622 145
pascal@16622 146 - /* jpx should never be NULL here, but check anyway */
pascal@16622 147 if (!jpx)
pascal@16622 148 fz_throw(ctx, FZ_ERROR_GENERIC, "opj_decode failed");
pascal@16622 149
pascal@16622 150 @@ -173,8 +105,8 @@ fz_load_jpx(fz_context *ctx, unsigned char *data, int size, fz_colorspace *defcs
pascal@16622 151 depth = jpx->comps[0].prec;
pascal@16622 152 sgnd = jpx->comps[0].sgnd;
pascal@16622 153
pascal@16622 154 - if (jpx->color_space == OPJ_CLRSPC_SRGB && n == 4) { n = 3; a = 1; }
pascal@16622 155 - else if (jpx->color_space == OPJ_CLRSPC_SYCC && n == 4) { n = 3; a = 1; }
pascal@16622 156 + if (jpx->color_space == CLRSPC_SRGB && n == 4) { n = 3; a = 1; }
pascal@16622 157 + else if (jpx->color_space == CLRSPC_SYCC && n == 4) { n = 3; a = 1; }
pascal@16622 158 else if (n == 2) { n = 1; a = 1; }
pascal@16622 159 else if (n > 4) { n = 4; a = 1; }
pascal@16622 160 else { a = 0; }