Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible

[goodguy/history.git] / cinelerra-5.0 / cinelerra / jdatadst.c

diff --git a/cinelerra-5.0/cinelerra/jdatadst.c b/cinelerra-5.0/cinelerra/jdatadst.c
deleted file mode 100644 (file)
index fb42fc9..0000000
--- a/cinelerra-5.0/cinelerra/jdatadst.c
+++ /dev/null
@@ -1,132 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include "jpeg.h"
-#include "jpegwrapper.h"
-#include "jerror.h"
-#include "filemov.h"
-
-/* Expanded data destination object for stdio output */
-
-typedef struct {
-  struct jpeg_destination_mgr pub; /* public fields */
-
-  JOCTET *buffer;              // Pointer to buffer
-  thread_struct *buffer_struct;
-} bcast_destination_mgr;
-
-typedef bcast_destination_mgr *bcast_dest_ptr;
-
-
-/*
- * Initialize destination --- called by jpeg_start_compress
- * before any data is actually written.
- */
-
-METHODDEF(void)
-bcast_init_destination (j_compress_ptr cinfo)
-{
-  bcast_dest_ptr dest = (bcast_dest_ptr) cinfo->dest;
-
-// Set the pointer to the preallocated buffer
-  dest->buffer = dest->buffer_struct->output_buffer;
-
-  dest->pub.next_output_byte = dest->buffer;
-  dest->pub.free_in_buffer = dest->buffer_struct->output_allocated;
-}
-
-
-/*
- * Empty the output buffer --- called whenever buffer fills up.
- *
- * In typical applications, this should write the entire output buffer
- * (ignoring the current state of next_output_byte & free_in_buffer),
- * reset the pointer & count to the start of the buffer, and return TRUE
- * indicating that the buffer has been dumped.
- *
- * In applications that need to be able to suspend compression due to output
- * overrun, a FALSE return indicates that the buffer cannot be emptied now.
- * In this situation, the compressor will return to its caller (possibly with
- * an indication that it has not accepted all the supplied scanlines).  The
- * application should resume compression after it has made more room in the
- * output buffer.  Note that there are substantial restrictions on the use of
- * suspension --- see the documentation.
- *
- * When suspending, the compressor will back up to a convenient restart point
- * (typically the start of the current MCU). next_output_byte & free_in_buffer
- * indicate where the restart point will be if the current call returns FALSE.
- * Data beyond this point will be regenerated after resumption, so do not
- * write it out when emptying the buffer externally.
- */
-
-METHODDEF(boolean)
-bcast_empty_output_buffer (j_compress_ptr cinfo)
-{
-// Allocate a bigger buffer.
-       bcast_dest_ptr dest = (bcast_dest_ptr) cinfo->dest;
-       unsigned char *new_buffer;
-       int new_size, i;
-       int offset = dest->buffer_struct->output_allocated;
-
-       new_size = dest->buffer_struct->output_allocated * 2;
-       new_buffer = (unsigned char*)malloc(new_size);
-       for(i = 0; i < offset; i++)
-               new_buffer[i] = dest->buffer_struct->output_buffer[i];
-       free(dest->buffer_struct->output_buffer);
-       dest->buffer_struct->output_buffer = new_buffer;
-       dest->buffer_struct->output_allocated = new_size;
-       dest->buffer = dest->buffer_struct->output_buffer;
-
-       dest->pub.next_output_byte = dest->buffer + offset;
-       dest->pub.free_in_buffer = dest->buffer_struct->output_allocated - offset;
-
-       return TRUE;
-}
-
-
-/*
- * Terminate destination --- called by jpeg_finish_compress
- * after all data has been written.  Usually needs to flush buffer.
- *
- * NB: *not* called by jpeg_abort or jpeg_destroy; surrounding
- * application must deal with any cleanup that should happen even
- * for error exit.
- */
-
-METHODDEF(void)
-bcast_term_destination (j_compress_ptr cinfo)
-{
-// Just get the length
-       bcast_dest_ptr dest = (bcast_dest_ptr) cinfo->dest;
-       dest->buffer_struct->output_size = dest->buffer_struct->output_allocated - dest->pub.free_in_buffer;
-}
-
-
-/*
- * Prepare for output to a stdio stream.
- * The caller must have already opened the stream, and is responsible
- * for closing it after finishing compression.
- */
-
-GLOBAL(void)
-bcast_jpeg_buffer_dest (j_compress_ptr cinfo, thread_struct *buffer_struct)
-{
-  bcast_dest_ptr dest;
-
-  /* The destination object is made permanent so that multiple JPEG images
-   * can be written to the same file without re-executing jpeg_stdio_dest.
-   * This makes it dangerous to use this manager and a different destination
-   * manager serially with the same JPEG object, because their private object
-   * sizes may be different.  Caveat programmer.
-   */
-  if (cinfo->dest == NULL) {   /* first time for this JPEG object? */
-    cinfo->dest = (struct jpeg_destination_mgr *)
-      (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT,
-                                 sizeof(bcast_destination_mgr));
-  }
-
-  dest = (bcast_dest_ptr) cinfo->dest;
-  dest->pub.init_destination = bcast_init_destination;
-  dest->pub.empty_output_buffer = bcast_empty_output_buffer;
-  dest->pub.term_destination = bcast_term_destination;
-  dest->buffer_struct = buffer_struct;
-}