Convert all line endings to LF.

1 files changed, 392 insertions, 392 deletions

diff --git a/core/include/thirdparties/libjpeg/jpegint.h b/core/include/thirdparties/libjpeg/jpegint.h
index 685a3610b2..95b00d405c 100644
--- a/core/include/thirdparties/libjpeg/jpegint.h
+++ b/core/include/thirdparties/libjpeg/jpegint.h
@@ -1,392 +1,392 @@
-/*

- * jpegint.h

- *

- * Copyright (C) 1991-1997, Thomas G. Lane.

- * This file is part of the Independent JPEG Group's software.

- * For conditions of distribution and use, see the accompanying README file.

- *

- * This file provides common declarations for the various JPEG modules.

- * These declarations are considered internal to the JPEG library; most

- * applications using the library shouldn't need to include this file.

- */

-

-

-/* Declarations for both compression & decompression */

-

-typedef enum {			/* Operating modes for buffer controllers */

-	JBUF_PASS_THRU,		/* Plain stripwise operation */

-	/* Remaining modes require a full-image buffer to have been created */

-	JBUF_SAVE_SOURCE,	/* Run source subobject only, save output */

-	JBUF_CRANK_DEST,	/* Run dest subobject only, using saved data */

-	JBUF_SAVE_AND_PASS	/* Run both subobjects, save output */

-} J_BUF_MODE;

-

-/* Values of global_state field (jdapi.c has some dependencies on ordering!) */

-#define CSTATE_START	100	/* after create_compress */

-#define CSTATE_SCANNING	101	/* start_compress done, write_scanlines OK */

-#define CSTATE_RAW_OK	102	/* start_compress done, write_raw_data OK */

-#define CSTATE_WRCOEFS	103	/* jpeg_write_coefficients done */

-#define DSTATE_START	200	/* after create_decompress */

-#define DSTATE_INHEADER	201	/* reading header markers, no SOS yet */

-#define DSTATE_READY	202	/* found SOS, ready for start_decompress */

-#define DSTATE_PRELOAD	203	/* reading multiscan file in start_decompress*/

-#define DSTATE_PRESCAN	204	/* performing dummy pass for 2-pass quant */

-#define DSTATE_SCANNING	205	/* start_decompress done, read_scanlines OK */

-#define DSTATE_RAW_OK	206	/* start_decompress done, read_raw_data OK */

-#define DSTATE_BUFIMAGE	207	/* expecting jpeg_start_output */

-#define DSTATE_BUFPOST	208	/* looking for SOS/EOI in jpeg_finish_output */

-#define DSTATE_RDCOEFS	209	/* reading file in jpeg_read_coefficients */

-#define DSTATE_STOPPING	210	/* looking for EOI in jpeg_finish_decompress */

-

-

-/* Declarations for compression modules */

-

-/* Master control module */

-struct jpeg_comp_master {

-  JMETHOD(void, prepare_for_pass, (j_compress_ptr cinfo));

-  JMETHOD(void, pass_startup, (j_compress_ptr cinfo));

-  JMETHOD(void, finish_pass, (j_compress_ptr cinfo));

-

-  /* State variables made visible to other modules */

-  boolean call_pass_startup;	/* True if pass_startup must be called */

-  boolean is_last_pass;		/* True during last pass */

-};

-

-/* Main buffer control (downsampled-data buffer) */

-struct jpeg_c_main_controller {

-  JMETHOD(void, start_pass, (j_compress_ptr cinfo, J_BUF_MODE pass_mode));

-  JMETHOD(void, process_data, (j_compress_ptr cinfo,

-			       JSAMPARRAY input_buf, JDIMENSION *in_row_ctr,

-			       JDIMENSION in_rows_avail));

-};

-

-/* Compression preprocessing (downsampling input buffer control) */

-struct jpeg_c_prep_controller {

-  JMETHOD(void, start_pass, (j_compress_ptr cinfo, J_BUF_MODE pass_mode));

-  JMETHOD(void, pre_process_data, (j_compress_ptr cinfo,

-				   JSAMPARRAY input_buf,

-				   JDIMENSION *in_row_ctr,

-				   JDIMENSION in_rows_avail,

-				   JSAMPIMAGE output_buf,

-				   JDIMENSION *out_row_group_ctr,

-				   JDIMENSION out_row_groups_avail));

-};

-

-/* Coefficient buffer control */

-struct jpeg_c_coef_controller {

-  JMETHOD(void, start_pass, (j_compress_ptr cinfo, J_BUF_MODE pass_mode));

-  JMETHOD(boolean, compress_data, (j_compress_ptr cinfo,

-				   JSAMPIMAGE input_buf));

-};

-

-/* Colorspace conversion */

-struct jpeg_color_converter {

-  JMETHOD(void, start_pass, (j_compress_ptr cinfo));

-  JMETHOD(void, color_convert, (j_compress_ptr cinfo,

-				JSAMPARRAY input_buf, JSAMPIMAGE output_buf,

-				JDIMENSION output_row, int num_rows));

-};

-

-/* Downsampling */

-struct jpeg_downsampler {

-  JMETHOD(void, start_pass, (j_compress_ptr cinfo));

-  JMETHOD(void, downsample, (j_compress_ptr cinfo,

-			     JSAMPIMAGE input_buf, JDIMENSION in_row_index,

-			     JSAMPIMAGE output_buf,

-			     JDIMENSION out_row_group_index));

-

-  boolean need_context_rows;	/* TRUE if need rows above & below */

-};

-

-/* Forward DCT (also controls coefficient quantization) */

-struct jpeg_forward_dct {

-  JMETHOD(void, start_pass, (j_compress_ptr cinfo));

-  /* perhaps this should be an array??? */

-  JMETHOD(void, forward_DCT, (j_compress_ptr cinfo,

-			      jpeg_component_info * compptr,

-			      JSAMPARRAY sample_data, JBLOCKROW coef_blocks,

-			      JDIMENSION start_row, JDIMENSION start_col,

-			      JDIMENSION num_blocks));

-};

-

-/* Entropy encoding */

-struct jpeg_entropy_encoder {

-  JMETHOD(void, start_pass, (j_compress_ptr cinfo, boolean gather_statistics));

-  JMETHOD(boolean, encode_mcu, (j_compress_ptr cinfo, JBLOCKROW *MCU_data));

-  JMETHOD(void, finish_pass, (j_compress_ptr cinfo));

-};

-

-/* Marker writing */

-struct jpeg_marker_writer {

-  JMETHOD(void, write_file_header, (j_compress_ptr cinfo));

-  JMETHOD(void, write_frame_header, (j_compress_ptr cinfo));

-  JMETHOD(void, write_scan_header, (j_compress_ptr cinfo));

-  JMETHOD(void, write_file_trailer, (j_compress_ptr cinfo));

-  JMETHOD(void, write_tables_only, (j_compress_ptr cinfo));

-  /* These routines are exported to allow insertion of extra markers */

-  /* Probably only COM and APPn markers should be written this way */

-  JMETHOD(void, write_marker_header, (j_compress_ptr cinfo, int marker,

-				      unsigned int datalen));

-  JMETHOD(void, write_marker_byte, (j_compress_ptr cinfo, int val));

-};

-

-

-/* Declarations for decompression modules */

-

-/* Master control module */

-struct jpeg_decomp_master {

-  JMETHOD(void, prepare_for_output_pass, (j_decompress_ptr cinfo));

-  JMETHOD(void, finish_output_pass, (j_decompress_ptr cinfo));

-

-  /* State variables made visible to other modules */

-  boolean is_dummy_pass;	/* True during 1st pass for 2-pass quant */

-};

-

-/* Input control module */

-struct jpeg_input_controller {

-  JMETHOD(int, consume_input, (j_decompress_ptr cinfo));

-  JMETHOD(void, reset_input_controller, (j_decompress_ptr cinfo));

-  JMETHOD(void, start_input_pass, (j_decompress_ptr cinfo));

-  JMETHOD(void, finish_input_pass, (j_decompress_ptr cinfo));

-

-  /* State variables made visible to other modules */

-  boolean has_multiple_scans;	/* True if file has multiple scans */

-  boolean eoi_reached;		/* True when EOI has been consumed */

-};

-

-/* Main buffer control (downsampled-data buffer) */

-struct jpeg_d_main_controller {

-  JMETHOD(void, start_pass, (j_decompress_ptr cinfo, J_BUF_MODE pass_mode));

-  JMETHOD(void, process_data, (j_decompress_ptr cinfo,

-			       JSAMPARRAY output_buf, JDIMENSION *out_row_ctr,

-			       JDIMENSION out_rows_avail));

-};

-

-/* Coefficient buffer control */

-struct jpeg_d_coef_controller {

-  JMETHOD(void, start_input_pass, (j_decompress_ptr cinfo));

-  JMETHOD(int, consume_data, (j_decompress_ptr cinfo));

-  JMETHOD(void, start_output_pass, (j_decompress_ptr cinfo));

-  JMETHOD(int, decompress_data, (j_decompress_ptr cinfo,

-				 JSAMPIMAGE output_buf));

-  /* Pointer to array of coefficient virtual arrays, or NULL if none */

-  jvirt_barray_ptr *coef_arrays;

-};

-

-/* Decompression postprocessing (color quantization buffer control) */

-struct jpeg_d_post_controller {

-  JMETHOD(void, start_pass, (j_decompress_ptr cinfo, J_BUF_MODE pass_mode));

-  JMETHOD(void, post_process_data, (j_decompress_ptr cinfo,

-				    JSAMPIMAGE input_buf,

-				    JDIMENSION *in_row_group_ctr,

-				    JDIMENSION in_row_groups_avail,

-				    JSAMPARRAY output_buf,

-				    JDIMENSION *out_row_ctr,

-				    JDIMENSION out_rows_avail));

-};

-

-/* Marker reading & parsing */

-struct jpeg_marker_reader {

-  JMETHOD(void, reset_marker_reader, (j_decompress_ptr cinfo));

-  /* Read markers until SOS or EOI.

-   * Returns same codes as are defined for jpeg_consume_input:

-   * JPEG_SUSPENDED, JPEG_REACHED_SOS, or JPEG_REACHED_EOI.

-   */

-  JMETHOD(int, read_markers, (j_decompress_ptr cinfo));

-  /* Read a restart marker --- exported for use by entropy decoder only */

-  jpeg_marker_parser_method read_restart_marker;

-

-  /* State of marker reader --- nominally internal, but applications

-   * supplying COM or APPn handlers might like to know the state.

-   */

-  boolean saw_SOI;		/* found SOI? */

-  boolean saw_SOF;		/* found SOF? */

-  int next_restart_num;		/* next restart number expected (0-7) */

-  unsigned int discarded_bytes;	/* # of bytes skipped looking for a marker */

-};

-

-/* Entropy decoding */

-struct jpeg_entropy_decoder {

-  JMETHOD(void, start_pass, (j_decompress_ptr cinfo));

-  JMETHOD(boolean, decode_mcu, (j_decompress_ptr cinfo,

-				JBLOCKROW *MCU_data));

-

-  /* This is here to share code between baseline and progressive decoders; */

-  /* other modules probably should not use it */

-  boolean insufficient_data;	/* set TRUE after emitting warning */

-};

-

-/* Inverse DCT (also performs dequantization) */

-typedef JMETHOD(void, inverse_DCT_method_ptr,

-		(j_decompress_ptr cinfo, jpeg_component_info * compptr,

-		 JCOEFPTR coef_block,

-		 JSAMPARRAY output_buf, JDIMENSION output_col));

-

-struct jpeg_inverse_dct {

-  JMETHOD(void, start_pass, (j_decompress_ptr cinfo));

-  /* It is useful to allow each component to have a separate IDCT method. */

-  inverse_DCT_method_ptr inverse_DCT[MAX_COMPONENTS];

-};

-

-/* Upsampling (note that upsampler must also call color converter) */

-struct jpeg_upsampler {

-  JMETHOD(void, start_pass, (j_decompress_ptr cinfo));

-  JMETHOD(void, upsample, (j_decompress_ptr cinfo,

-			   JSAMPIMAGE input_buf,

-			   JDIMENSION *in_row_group_ctr,

-			   JDIMENSION in_row_groups_avail,

-			   JSAMPARRAY output_buf,

-			   JDIMENSION *out_row_ctr,

-			   JDIMENSION out_rows_avail));

-

-  boolean need_context_rows;	/* TRUE if need rows above & below */

-};

-

-/* Colorspace conversion */

-struct jpeg_color_deconverter {

-  JMETHOD(void, start_pass, (j_decompress_ptr cinfo));

-  JMETHOD(void, color_convert, (j_decompress_ptr cinfo,

-				JSAMPIMAGE input_buf, JDIMENSION input_row,

-				JSAMPARRAY output_buf, int num_rows));

-};

-

-/* Color quantization or color precision reduction */

-struct jpeg_color_quantizer {

-  JMETHOD(void, start_pass, (j_decompress_ptr cinfo, boolean is_pre_scan));

-  JMETHOD(void, color_quantize, (j_decompress_ptr cinfo,

-				 JSAMPARRAY input_buf, JSAMPARRAY output_buf,

-				 int num_rows));

-  JMETHOD(void, finish_pass, (j_decompress_ptr cinfo));

-  JMETHOD(void, new_color_map, (j_decompress_ptr cinfo));

-};

-

-

-/* Miscellaneous useful macros */

-

-#undef MAX

-#define MAX(a,b)	((a) > (b) ? (a) : (b))

-#undef MIN

-#define MIN(a,b)	((a) < (b) ? (a) : (b))

-

-

-/* We assume that right shift corresponds to signed division by 2 with

- * rounding towards minus infinity.  This is correct for typical "arithmetic

- * shift" instructions that shift in copies of the sign bit.  But some

- * C compilers implement >> with an unsigned shift.  For these machines you

- * must define RIGHT_SHIFT_IS_UNSIGNED.

- * RIGHT_SHIFT provides a proper signed right shift of an INT32 quantity.

- * It is only applied with constant shift counts.  SHIFT_TEMPS must be

- * included in the variables of any routine using RIGHT_SHIFT.

- */

-

-#ifdef RIGHT_SHIFT_IS_UNSIGNED

-#define SHIFT_TEMPS	INT32 shift_temp;

-#define RIGHT_SHIFT(x,shft)  \

-	((shift_temp = (x)) < 0 ? \

-	 (shift_temp >> (shft)) | ((~((INT32) 0)) << (32-(shft))) : \

-	 (shift_temp >> (shft)))

-#else

-#define SHIFT_TEMPS

-#define RIGHT_SHIFT(x,shft)	((x) >> (shft))

-#endif

-

-

-/* Short forms of external names for systems with brain-damaged linkers. */

-

-#ifdef NEED_SHORT_EXTERNAL_NAMES

-#define jinit_compress_master	jICompress

-#define jinit_c_master_control	jICMaster

-#define jinit_c_main_controller	jICMainC

-#define jinit_c_prep_controller	jICPrepC

-#define jinit_c_coef_controller	jICCoefC

-#define jinit_color_converter	jICColor

-#define jinit_downsampler	jIDownsampler

-#define jinit_forward_dct	jIFDCT

-#define jinit_huff_encoder	jIHEncoder

-#define jinit_phuff_encoder	jIPHEncoder

-#define jinit_marker_writer	jIMWriter

-#define jinit_master_decompress	jIDMaster

-#define jinit_d_main_controller	jIDMainC

-#define jinit_d_coef_controller	jIDCoefC

-#define jinit_d_post_controller	jIDPostC

-#define jinit_input_controller	jIInCtlr

-#define jinit_marker_reader	jIMReader

-#define jinit_huff_decoder	jIHDecoder

-#define jinit_phuff_decoder	jIPHDecoder

-#define jinit_inverse_dct	jIIDCT

-#define jinit_upsampler		jIUpsampler

-#define jinit_color_deconverter	jIDColor

-#define jinit_1pass_quantizer	jI1Quant

-#define jinit_2pass_quantizer	jI2Quant

-#define jinit_merged_upsampler	jIMUpsampler

-#define jinit_memory_mgr	jIMemMgr

-#define jdiv_round_up		jDivRound

-#define jround_up		jRound

-#define jcopy_sample_rows	jCopySamples

-#define jcopy_block_row		jCopyBlocks

-#define jzero_far		jZeroFar

-#define jpeg_zigzag_order	jZIGTable

-#define jpeg_natural_order	jZAGTable

-#endif /* NEED_SHORT_EXTERNAL_NAMES */

-

-

-/* Compression module initialization routines */

-EXTERN(void) jinit_compress_master JPP((j_compress_ptr cinfo));

-EXTERN(void) jinit_c_master_control JPP((j_compress_ptr cinfo,

-					 boolean transcode_only));

-EXTERN(void) jinit_c_main_controller JPP((j_compress_ptr cinfo,

-					  boolean need_full_buffer));

-EXTERN(void) jinit_c_prep_controller JPP((j_compress_ptr cinfo,

-					  boolean need_full_buffer));

-EXTERN(void) jinit_c_coef_controller JPP((j_compress_ptr cinfo,

-					  boolean need_full_buffer));

-EXTERN(void) jinit_color_converter JPP((j_compress_ptr cinfo));

-EXTERN(void) jinit_downsampler JPP((j_compress_ptr cinfo));

-EXTERN(void) jinit_forward_dct JPP((j_compress_ptr cinfo));

-EXTERN(void) jinit_huff_encoder JPP((j_compress_ptr cinfo));

-EXTERN(void) jinit_phuff_encoder JPP((j_compress_ptr cinfo));

-EXTERN(void) jinit_marker_writer JPP((j_compress_ptr cinfo));

-/* Decompression module initialization routines */

-EXTERN(void) jinit_master_decompress JPP((j_decompress_ptr cinfo));

-EXTERN(void) jinit_d_main_controller JPP((j_decompress_ptr cinfo,

-					  boolean need_full_buffer));

-EXTERN(void) jinit_d_coef_controller JPP((j_decompress_ptr cinfo,

-					  boolean need_full_buffer));

-EXTERN(void) jinit_d_post_controller JPP((j_decompress_ptr cinfo,

-					  boolean need_full_buffer));

-EXTERN(void) jinit_input_controller JPP((j_decompress_ptr cinfo));

-EXTERN(void) jinit_marker_reader JPP((j_decompress_ptr cinfo));

-EXTERN(void) jinit_huff_decoder JPP((j_decompress_ptr cinfo));

-EXTERN(void) jinit_phuff_decoder JPP((j_decompress_ptr cinfo));

-EXTERN(void) jinit_inverse_dct JPP((j_decompress_ptr cinfo));

-EXTERN(void) jinit_upsampler JPP((j_decompress_ptr cinfo));

-EXTERN(void) jinit_color_deconverter JPP((j_decompress_ptr cinfo));

-EXTERN(void) jinit_1pass_quantizer JPP((j_decompress_ptr cinfo));

-EXTERN(void) jinit_2pass_quantizer JPP((j_decompress_ptr cinfo));

-EXTERN(void) jinit_merged_upsampler JPP((j_decompress_ptr cinfo));

-/* Memory manager initialization */

-EXTERN(void) jinit_memory_mgr JPP((j_common_ptr cinfo));

-

-/* Utility routines in jutils.c */

-EXTERN(long) jdiv_round_up JPP((long a, long b));

-EXTERN(long) jround_up JPP((long a, long b));

-EXTERN(void) jcopy_sample_rows JPP((JSAMPARRAY input_array, int source_row,

-				    JSAMPARRAY output_array, int dest_row,

-				    int num_rows, JDIMENSION num_cols));

-EXTERN(void) jcopy_block_row JPP((JBLOCKROW input_row, JBLOCKROW output_row,

-				  JDIMENSION num_blocks));

-EXTERN(void) jzero_far JPP((void FAR * target, size_t bytestozero));

-/* Constant tables in jutils.c */

-#if 0				/* This table is not actually needed in v6a */

-extern const int jpeg_zigzag_order[]; /* natural coef order to zigzag order */

-#endif

-extern const int jpeg_natural_order[]; /* zigzag coef order to natural order */

-

-/* Suppress undefined-structure complaints if necessary. */

-

-#ifdef INCOMPLETE_TYPES_BROKEN

-#ifndef AM_MEMORY_MANAGER	/* only jmemmgr.c defines these */

-struct jvirt_sarray_control { long dummy; };

-struct jvirt_barray_control { long dummy; };

-#endif

-#endif /* INCOMPLETE_TYPES_BROKEN */

+/*
+ * jpegint.h
+ *
+ * Copyright (C) 1991-1997, Thomas G. Lane.
+ * This file is part of the Independent JPEG Group's software.
+ * For conditions of distribution and use, see the accompanying README file.
+ *
+ * This file provides common declarations for the various JPEG modules.
+ * These declarations are considered internal to the JPEG library; most
+ * applications using the library shouldn't need to include this file.
+ */
+
+
+/* Declarations for both compression & decompression */
+
+typedef enum {			/* Operating modes for buffer controllers */
+	JBUF_PASS_THRU,		/* Plain stripwise operation */
+	/* Remaining modes require a full-image buffer to have been created */
+	JBUF_SAVE_SOURCE,	/* Run source subobject only, save output */
+	JBUF_CRANK_DEST,	/* Run dest subobject only, using saved data */
+	JBUF_SAVE_AND_PASS	/* Run both subobjects, save output */
+} J_BUF_MODE;
+
+/* Values of global_state field (jdapi.c has some dependencies on ordering!) */
+#define CSTATE_START	100	/* after create_compress */
+#define CSTATE_SCANNING	101	/* start_compress done, write_scanlines OK */
+#define CSTATE_RAW_OK	102	/* start_compress done, write_raw_data OK */
+#define CSTATE_WRCOEFS	103	/* jpeg_write_coefficients done */
+#define DSTATE_START	200	/* after create_decompress */
+#define DSTATE_INHEADER	201	/* reading header markers, no SOS yet */
+#define DSTATE_READY	202	/* found SOS, ready for start_decompress */
+#define DSTATE_PRELOAD	203	/* reading multiscan file in start_decompress*/
+#define DSTATE_PRESCAN	204	/* performing dummy pass for 2-pass quant */
+#define DSTATE_SCANNING	205	/* start_decompress done, read_scanlines OK */
+#define DSTATE_RAW_OK	206	/* start_decompress done, read_raw_data OK */
+#define DSTATE_BUFIMAGE	207	/* expecting jpeg_start_output */
+#define DSTATE_BUFPOST	208	/* looking for SOS/EOI in jpeg_finish_output */
+#define DSTATE_RDCOEFS	209	/* reading file in jpeg_read_coefficients */
+#define DSTATE_STOPPING	210	/* looking for EOI in jpeg_finish_decompress */
+
+
+/* Declarations for compression modules */
+
+/* Master control module */
+struct jpeg_comp_master {
+  JMETHOD(void, prepare_for_pass, (j_compress_ptr cinfo));
+  JMETHOD(void, pass_startup, (j_compress_ptr cinfo));
+  JMETHOD(void, finish_pass, (j_compress_ptr cinfo));
+
+  /* State variables made visible to other modules */
+  boolean call_pass_startup;	/* True if pass_startup must be called */
+  boolean is_last_pass;		/* True during last pass */
+};
+
+/* Main buffer control (downsampled-data buffer) */
+struct jpeg_c_main_controller {
+  JMETHOD(void, start_pass, (j_compress_ptr cinfo, J_BUF_MODE pass_mode));
+  JMETHOD(void, process_data, (j_compress_ptr cinfo,
+			       JSAMPARRAY input_buf, JDIMENSION *in_row_ctr,
+			       JDIMENSION in_rows_avail));
+};
+
+/* Compression preprocessing (downsampling input buffer control) */
+struct jpeg_c_prep_controller {
+  JMETHOD(void, start_pass, (j_compress_ptr cinfo, J_BUF_MODE pass_mode));
+  JMETHOD(void, pre_process_data, (j_compress_ptr cinfo,
+				   JSAMPARRAY input_buf,
+				   JDIMENSION *in_row_ctr,
+				   JDIMENSION in_rows_avail,
+				   JSAMPIMAGE output_buf,
+				   JDIMENSION *out_row_group_ctr,
+				   JDIMENSION out_row_groups_avail));
+};
+
+/* Coefficient buffer control */
+struct jpeg_c_coef_controller {
+  JMETHOD(void, start_pass, (j_compress_ptr cinfo, J_BUF_MODE pass_mode));
+  JMETHOD(boolean, compress_data, (j_compress_ptr cinfo,
+				   JSAMPIMAGE input_buf));
+};
+
+/* Colorspace conversion */
+struct jpeg_color_converter {
+  JMETHOD(void, start_pass, (j_compress_ptr cinfo));
+  JMETHOD(void, color_convert, (j_compress_ptr cinfo,
+				JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
+				JDIMENSION output_row, int num_rows));
+};
+
+/* Downsampling */
+struct jpeg_downsampler {
+  JMETHOD(void, start_pass, (j_compress_ptr cinfo));
+  JMETHOD(void, downsample, (j_compress_ptr cinfo,
+			     JSAMPIMAGE input_buf, JDIMENSION in_row_index,
+			     JSAMPIMAGE output_buf,
+			     JDIMENSION out_row_group_index));
+
+  boolean need_context_rows;	/* TRUE if need rows above & below */
+};
+
+/* Forward DCT (also controls coefficient quantization) */
+struct jpeg_forward_dct {
+  JMETHOD(void, start_pass, (j_compress_ptr cinfo));
+  /* perhaps this should be an array??? */
+  JMETHOD(void, forward_DCT, (j_compress_ptr cinfo,
+			      jpeg_component_info * compptr,
+			      JSAMPARRAY sample_data, JBLOCKROW coef_blocks,
+			      JDIMENSION start_row, JDIMENSION start_col,
+			      JDIMENSION num_blocks));
+};
+
+/* Entropy encoding */
+struct jpeg_entropy_encoder {
+  JMETHOD(void, start_pass, (j_compress_ptr cinfo, boolean gather_statistics));
+  JMETHOD(boolean, encode_mcu, (j_compress_ptr cinfo, JBLOCKROW *MCU_data));
+  JMETHOD(void, finish_pass, (j_compress_ptr cinfo));
+};
+
+/* Marker writing */
+struct jpeg_marker_writer {
+  JMETHOD(void, write_file_header, (j_compress_ptr cinfo));
+  JMETHOD(void, write_frame_header, (j_compress_ptr cinfo));
+  JMETHOD(void, write_scan_header, (j_compress_ptr cinfo));
+  JMETHOD(void, write_file_trailer, (j_compress_ptr cinfo));
+  JMETHOD(void, write_tables_only, (j_compress_ptr cinfo));
+  /* These routines are exported to allow insertion of extra markers */
+  /* Probably only COM and APPn markers should be written this way */
+  JMETHOD(void, write_marker_header, (j_compress_ptr cinfo, int marker,
+				      unsigned int datalen));
+  JMETHOD(void, write_marker_byte, (j_compress_ptr cinfo, int val));
+};
+
+
+/* Declarations for decompression modules */
+
+/* Master control module */
+struct jpeg_decomp_master {
+  JMETHOD(void, prepare_for_output_pass, (j_decompress_ptr cinfo));
+  JMETHOD(void, finish_output_pass, (j_decompress_ptr cinfo));
+
+  /* State variables made visible to other modules */
+  boolean is_dummy_pass;	/* True during 1st pass for 2-pass quant */
+};
+
+/* Input control module */
+struct jpeg_input_controller {
+  JMETHOD(int, consume_input, (j_decompress_ptr cinfo));
+  JMETHOD(void, reset_input_controller, (j_decompress_ptr cinfo));
+  JMETHOD(void, start_input_pass, (j_decompress_ptr cinfo));
+  JMETHOD(void, finish_input_pass, (j_decompress_ptr cinfo));
+
+  /* State variables made visible to other modules */
+  boolean has_multiple_scans;	/* True if file has multiple scans */
+  boolean eoi_reached;		/* True when EOI has been consumed */
+};
+
+/* Main buffer control (downsampled-data buffer) */
+struct jpeg_d_main_controller {
+  JMETHOD(void, start_pass, (j_decompress_ptr cinfo, J_BUF_MODE pass_mode));
+  JMETHOD(void, process_data, (j_decompress_ptr cinfo,
+			       JSAMPARRAY output_buf, JDIMENSION *out_row_ctr,
+			       JDIMENSION out_rows_avail));
+};
+
+/* Coefficient buffer control */
+struct jpeg_d_coef_controller {
+  JMETHOD(void, start_input_pass, (j_decompress_ptr cinfo));
+  JMETHOD(int, consume_data, (j_decompress_ptr cinfo));
+  JMETHOD(void, start_output_pass, (j_decompress_ptr cinfo));
+  JMETHOD(int, decompress_data, (j_decompress_ptr cinfo,
+				 JSAMPIMAGE output_buf));
+  /* Pointer to array of coefficient virtual arrays, or NULL if none */
+  jvirt_barray_ptr *coef_arrays;
+};
+
+/* Decompression postprocessing (color quantization buffer control) */
+struct jpeg_d_post_controller {
+  JMETHOD(void, start_pass, (j_decompress_ptr cinfo, J_BUF_MODE pass_mode));
+  JMETHOD(void, post_process_data, (j_decompress_ptr cinfo,
+				    JSAMPIMAGE input_buf,
+				    JDIMENSION *in_row_group_ctr,
+				    JDIMENSION in_row_groups_avail,
+				    JSAMPARRAY output_buf,
+				    JDIMENSION *out_row_ctr,
+				    JDIMENSION out_rows_avail));
+};
+
+/* Marker reading & parsing */
+struct jpeg_marker_reader {
+  JMETHOD(void, reset_marker_reader, (j_decompress_ptr cinfo));
+  /* Read markers until SOS or EOI.
+   * Returns same codes as are defined for jpeg_consume_input:
+   * JPEG_SUSPENDED, JPEG_REACHED_SOS, or JPEG_REACHED_EOI.
+   */
+  JMETHOD(int, read_markers, (j_decompress_ptr cinfo));
+  /* Read a restart marker --- exported for use by entropy decoder only */
+  jpeg_marker_parser_method read_restart_marker;
+
+  /* State of marker reader --- nominally internal, but applications
+   * supplying COM or APPn handlers might like to know the state.
+   */
+  boolean saw_SOI;		/* found SOI? */
+  boolean saw_SOF;		/* found SOF? */
+  int next_restart_num;		/* next restart number expected (0-7) */
+  unsigned int discarded_bytes;	/* # of bytes skipped looking for a marker */
+};
+
+/* Entropy decoding */
+struct jpeg_entropy_decoder {
+  JMETHOD(void, start_pass, (j_decompress_ptr cinfo));
+  JMETHOD(boolean, decode_mcu, (j_decompress_ptr cinfo,
+				JBLOCKROW *MCU_data));
+
+  /* This is here to share code between baseline and progressive decoders; */
+  /* other modules probably should not use it */
+  boolean insufficient_data;	/* set TRUE after emitting warning */
+};
+
+/* Inverse DCT (also performs dequantization) */
+typedef JMETHOD(void, inverse_DCT_method_ptr,
+		(j_decompress_ptr cinfo, jpeg_component_info * compptr,
+		 JCOEFPTR coef_block,
+		 JSAMPARRAY output_buf, JDIMENSION output_col));
+
+struct jpeg_inverse_dct {
+  JMETHOD(void, start_pass, (j_decompress_ptr cinfo));
+  /* It is useful to allow each component to have a separate IDCT method. */
+  inverse_DCT_method_ptr inverse_DCT[MAX_COMPONENTS];
+};
+
+/* Upsampling (note that upsampler must also call color converter) */
+struct jpeg_upsampler {
+  JMETHOD(void, start_pass, (j_decompress_ptr cinfo));
+  JMETHOD(void, upsample, (j_decompress_ptr cinfo,
+			   JSAMPIMAGE input_buf,
+			   JDIMENSION *in_row_group_ctr,
+			   JDIMENSION in_row_groups_avail,
+			   JSAMPARRAY output_buf,
+			   JDIMENSION *out_row_ctr,
+			   JDIMENSION out_rows_avail));
+
+  boolean need_context_rows;	/* TRUE if need rows above & below */
+};
+
+/* Colorspace conversion */
+struct jpeg_color_deconverter {
+  JMETHOD(void, start_pass, (j_decompress_ptr cinfo));
+  JMETHOD(void, color_convert, (j_decompress_ptr cinfo,
+				JSAMPIMAGE input_buf, JDIMENSION input_row,
+				JSAMPARRAY output_buf, int num_rows));
+};
+
+/* Color quantization or color precision reduction */
+struct jpeg_color_quantizer {
+  JMETHOD(void, start_pass, (j_decompress_ptr cinfo, boolean is_pre_scan));
+  JMETHOD(void, color_quantize, (j_decompress_ptr cinfo,
+				 JSAMPARRAY input_buf, JSAMPARRAY output_buf,
+				 int num_rows));
+  JMETHOD(void, finish_pass, (j_decompress_ptr cinfo));
+  JMETHOD(void, new_color_map, (j_decompress_ptr cinfo));
+};
+
+
+/* Miscellaneous useful macros */
+
+#undef MAX
+#define MAX(a,b)	((a) > (b) ? (a) : (b))
+#undef MIN
+#define MIN(a,b)	((a) < (b) ? (a) : (b))
+
+
+/* We assume that right shift corresponds to signed division by 2 with
+ * rounding towards minus infinity.  This is correct for typical "arithmetic
+ * shift" instructions that shift in copies of the sign bit.  But some
+ * C compilers implement >> with an unsigned shift.  For these machines you
+ * must define RIGHT_SHIFT_IS_UNSIGNED.
+ * RIGHT_SHIFT provides a proper signed right shift of an INT32 quantity.
+ * It is only applied with constant shift counts.  SHIFT_TEMPS must be
+ * included in the variables of any routine using RIGHT_SHIFT.
+ */
+
+#ifdef RIGHT_SHIFT_IS_UNSIGNED
+#define SHIFT_TEMPS	INT32 shift_temp;
+#define RIGHT_SHIFT(x,shft)  \
+	((shift_temp = (x)) < 0 ? \
+	 (shift_temp >> (shft)) | ((~((INT32) 0)) << (32-(shft))) : \
+	 (shift_temp >> (shft)))
+#else
+#define SHIFT_TEMPS
+#define RIGHT_SHIFT(x,shft)	((x) >> (shft))
+#endif
+
+
+/* Short forms of external names for systems with brain-damaged linkers. */
+
+#ifdef NEED_SHORT_EXTERNAL_NAMES
+#define jinit_compress_master	jICompress
+#define jinit_c_master_control	jICMaster
+#define jinit_c_main_controller	jICMainC
+#define jinit_c_prep_controller	jICPrepC
+#define jinit_c_coef_controller	jICCoefC
+#define jinit_color_converter	jICColor
+#define jinit_downsampler	jIDownsampler
+#define jinit_forward_dct	jIFDCT
+#define jinit_huff_encoder	jIHEncoder
+#define jinit_phuff_encoder	jIPHEncoder
+#define jinit_marker_writer	jIMWriter
+#define jinit_master_decompress	jIDMaster
+#define jinit_d_main_controller	jIDMainC
+#define jinit_d_coef_controller	jIDCoefC
+#define jinit_d_post_controller	jIDPostC
+#define jinit_input_controller	jIInCtlr
+#define jinit_marker_reader	jIMReader
+#define jinit_huff_decoder	jIHDecoder
+#define jinit_phuff_decoder	jIPHDecoder
+#define jinit_inverse_dct	jIIDCT
+#define jinit_upsampler		jIUpsampler
+#define jinit_color_deconverter	jIDColor
+#define jinit_1pass_quantizer	jI1Quant
+#define jinit_2pass_quantizer	jI2Quant
+#define jinit_merged_upsampler	jIMUpsampler
+#define jinit_memory_mgr	jIMemMgr
+#define jdiv_round_up		jDivRound
+#define jround_up		jRound
+#define jcopy_sample_rows	jCopySamples
+#define jcopy_block_row		jCopyBlocks
+#define jzero_far		jZeroFar
+#define jpeg_zigzag_order	jZIGTable
+#define jpeg_natural_order	jZAGTable
+#endif /* NEED_SHORT_EXTERNAL_NAMES */
+
+
+/* Compression module initialization routines */
+EXTERN(void) jinit_compress_master JPP((j_compress_ptr cinfo));
+EXTERN(void) jinit_c_master_control JPP((j_compress_ptr cinfo,
+					 boolean transcode_only));
+EXTERN(void) jinit_c_main_controller JPP((j_compress_ptr cinfo,
+					  boolean need_full_buffer));
+EXTERN(void) jinit_c_prep_controller JPP((j_compress_ptr cinfo,
+					  boolean need_full_buffer));
+EXTERN(void) jinit_c_coef_controller JPP((j_compress_ptr cinfo,
+					  boolean need_full_buffer));
+EXTERN(void) jinit_color_converter JPP((j_compress_ptr cinfo));
+EXTERN(void) jinit_downsampler JPP((j_compress_ptr cinfo));
+EXTERN(void) jinit_forward_dct JPP((j_compress_ptr cinfo));
+EXTERN(void) jinit_huff_encoder JPP((j_compress_ptr cinfo));
+EXTERN(void) jinit_phuff_encoder JPP((j_compress_ptr cinfo));
+EXTERN(void) jinit_marker_writer JPP((j_compress_ptr cinfo));
+/* Decompression module initialization routines */
+EXTERN(void) jinit_master_decompress JPP((j_decompress_ptr cinfo));
+EXTERN(void) jinit_d_main_controller JPP((j_decompress_ptr cinfo,
+					  boolean need_full_buffer));
+EXTERN(void) jinit_d_coef_controller JPP((j_decompress_ptr cinfo,
+					  boolean need_full_buffer));
+EXTERN(void) jinit_d_post_controller JPP((j_decompress_ptr cinfo,
+					  boolean need_full_buffer));
+EXTERN(void) jinit_input_controller JPP((j_decompress_ptr cinfo));
+EXTERN(void) jinit_marker_reader JPP((j_decompress_ptr cinfo));
+EXTERN(void) jinit_huff_decoder JPP((j_decompress_ptr cinfo));
+EXTERN(void) jinit_phuff_decoder JPP((j_decompress_ptr cinfo));
+EXTERN(void) jinit_inverse_dct JPP((j_decompress_ptr cinfo));
+EXTERN(void) jinit_upsampler JPP((j_decompress_ptr cinfo));
+EXTERN(void) jinit_color_deconverter JPP((j_decompress_ptr cinfo));
+EXTERN(void) jinit_1pass_quantizer JPP((j_decompress_ptr cinfo));
+EXTERN(void) jinit_2pass_quantizer JPP((j_decompress_ptr cinfo));
+EXTERN(void) jinit_merged_upsampler JPP((j_decompress_ptr cinfo));
+/* Memory manager initialization */
+EXTERN(void) jinit_memory_mgr JPP((j_common_ptr cinfo));
+
+/* Utility routines in jutils.c */
+EXTERN(long) jdiv_round_up JPP((long a, long b));
+EXTERN(long) jround_up JPP((long a, long b));
+EXTERN(void) jcopy_sample_rows JPP((JSAMPARRAY input_array, int source_row,
+				    JSAMPARRAY output_array, int dest_row,
+				    int num_rows, JDIMENSION num_cols));
+EXTERN(void) jcopy_block_row JPP((JBLOCKROW input_row, JBLOCKROW output_row,
+				  JDIMENSION num_blocks));
+EXTERN(void) jzero_far JPP((void FAR * target, size_t bytestozero));
+/* Constant tables in jutils.c */
+#if 0				/* This table is not actually needed in v6a */
+extern const int jpeg_zigzag_order[]; /* natural coef order to zigzag order */
+#endif
+extern const int jpeg_natural_order[]; /* zigzag coef order to natural order */
+
+/* Suppress undefined-structure complaints if necessary. */
+
+#ifdef INCOMPLETE_TYPES_BROKEN
+#ifndef AM_MEMORY_MANAGER	/* only jmemmgr.c defines these */
+struct jvirt_sarray_control { long dummy; };
+struct jvirt_barray_control { long dummy; };
+#endif
+#endif /* INCOMPLETE_TYPES_BROKEN */