diff options
Diffstat (limited to 'converter/other/fiasco/codec/dfiasco.c')
| -rw-r--r-- | converter/other/fiasco/codec/dfiasco.c | 178 |
1 files changed, 89 insertions, 89 deletions
diff --git a/converter/other/fiasco/codec/dfiasco.c b/converter/other/fiasco/codec/dfiasco.c index ce25654a..3f5d3fcc 100644 --- a/converter/other/fiasco/codec/dfiasco.c +++ b/converter/other/fiasco/codec/dfiasco.c @@ -1,7 +1,7 @@ /* - * dfiasco.c: Decoder public interface + * dfiasco.c: Decoder public interface * - * Written by: Ullrich Hafner + * Written by: Ullrich Hafner * * This file is part of FIASCO (Fractal Image And Sequence COdec) * Copyright (C) 1994-2000 Ullrich Hafner @@ -37,7 +37,7 @@ /***************************************************************************** - prototypes + prototypes *****************************************************************************/ @@ -47,11 +47,11 @@ static void free_dfiasco (dfiasco_t *dfiasco); static dfiasco_t * alloc_dfiasco (wfa_t *wfa, video_t *video, bitfile_t *input, - int enlarge_factor, int smoothing, format_e image_format); + int enlarge_factor, int smoothing, format_e image_format); /***************************************************************************** - public code + public code *****************************************************************************/ @@ -60,24 +60,24 @@ fiasco_decoder_new (const char *filename, const fiasco_d_options_t *options) { try { - bitfile_t *input; /* pointer to WFA FIASCO stream */ - wfa_t *wfa; /* wfa structure */ - video_t *video; /* information about decoder state */ - const d_options_t *dop; /* decoder additional options */ - dfiasco_t *dfiasco; /* decoder internal state */ - fiasco_decoder_t *decoder; /* public interface to decoder */ + bitfile_t *input; /* pointer to WFA FIASCO stream */ + wfa_t *wfa; /* wfa structure */ + video_t *video; /* information about decoder state */ + const d_options_t *dop; /* decoder additional options */ + dfiasco_t *dfiasco; /* decoder internal state */ + fiasco_decoder_t *decoder; /* public interface to decoder */ fiasco_d_options_t *default_options = NULL; if (options) { - dop = cast_d_options ((fiasco_d_options_t *) options); - if (!dop) - return NULL; + dop = cast_d_options ((fiasco_d_options_t *) options); + if (!dop) + return NULL; } else { - default_options = fiasco_d_options_new (); - dop = cast_d_options (default_options); + default_options = fiasco_d_options_new (); + dop = cast_d_options (default_options); } wfa = alloc_wfa (NO); @@ -85,8 +85,8 @@ fiasco_decoder_new (const char *filename, const fiasco_d_options_t *options) input = open_wfa (filename, wfa->wfainfo); read_basis (wfa->wfainfo->basis_name, wfa); - decoder = Calloc (1, sizeof (fiasco_decoder_t)); - decoder->delete = fiasco_decoder_delete; + decoder = Calloc (1, sizeof (fiasco_decoder_t)); + decoder->delete = fiasco_decoder_delete; decoder->write_frame = fiasco_decoder_write_frame; decoder->get_frame = fiasco_decoder_get_frame; decoder->get_length = fiasco_decoder_get_length; @@ -98,46 +98,46 @@ fiasco_decoder_new (const char *filename, const fiasco_d_options_t *options) decoder->is_color = fiasco_decoder_is_color; decoder->private = dfiasco - = alloc_dfiasco (wfa, video, input, - dop->magnification, - dop->smoothing, - dop->image_format); + = alloc_dfiasco (wfa, video, input, + dop->magnification, + dop->smoothing, + dop->image_format); if (default_options) - fiasco_d_options_delete (default_options); + fiasco_d_options_delete (default_options); if (dfiasco->enlarge_factor >= 0) { - int n; - unsigned long pixels = wfa->wfainfo->width * wfa->wfainfo->height; - - for (n = 1; n <= (int) dfiasco->enlarge_factor; n++) - { - if (pixels << (n << 1) > 2048 * 2048) - { - set_error (_("Magnifaction factor `%d' is too large. " - "Maximum value is %d."), - dfiasco->enlarge_factor, MAX(0, n - 1)); - fiasco_decoder_delete (decoder); - return NULL; - } - } + int n; + unsigned long pixels = wfa->wfainfo->width * wfa->wfainfo->height; + + for (n = 1; n <= (int) dfiasco->enlarge_factor; n++) + { + if (pixels << (n << 1) > 2048 * 2048) + { + set_error (_("Magnifaction factor `%d' is too large. " + "Maximum value is %d."), + dfiasco->enlarge_factor, MAX(0, n - 1)); + fiasco_decoder_delete (decoder); + return NULL; + } + } } else { - int n; - - for (n = 0; n <= (int) - dfiasco->enlarge_factor; n++) - { - if (wfa->wfainfo->width >> n < 32 - || wfa->wfainfo->height >> n < 32) - { - set_error (_("Magnifaction factor `%d' is too small. " - "Minimum value is %d."), - dfiasco->enlarge_factor, - MAX(0, n - 1)); - fiasco_decoder_delete (decoder); - return NULL; - } - } + int n; + + for (n = 0; n <= (int) - dfiasco->enlarge_factor; n++) + { + if (wfa->wfainfo->width >> n < 32 + || wfa->wfainfo->height >> n < 32) + { + set_error (_("Magnifaction factor `%d' is too small. " + "Minimum value is %d."), + dfiasco->enlarge_factor, - MAX(0, n - 1)); + fiasco_decoder_delete (decoder); + return NULL; + } + } } return (fiasco_decoder_t *) decoder; } @@ -149,7 +149,7 @@ fiasco_decoder_new (const char *filename, const fiasco_d_options_t *options) int fiasco_decoder_write_frame (fiasco_decoder_t *decoder, - const char *filename) + const char *filename) { dfiasco_t *dfiasco = cast_dfiasco (decoder); @@ -159,15 +159,15 @@ fiasco_decoder_write_frame (fiasco_decoder_t *decoder, { try { - image_t *frame = get_next_frame (NO, dfiasco->enlarge_factor, - dfiasco->smoothing, NULL, - FORMAT_4_4_4, dfiasco->video, NULL, - dfiasco->wfa, dfiasco->input); - write_image (filename, frame); + image_t *frame = get_next_frame (NO, dfiasco->enlarge_factor, + dfiasco->smoothing, NULL, + FORMAT_4_4_4, dfiasco->video, NULL, + dfiasco->wfa, dfiasco->input); + write_image (filename, frame); } catch { - return 0; + return 0; } return 1; } @@ -184,25 +184,25 @@ fiasco_decoder_get_frame (fiasco_decoder_t *decoder) { try { - fiasco_image_t *image = Calloc (1, sizeof (fiasco_image_t)); - image_t *frame = get_next_frame (NO, dfiasco->enlarge_factor, - dfiasco->smoothing, NULL, - dfiasco->image_format, - dfiasco->video, NULL, - dfiasco->wfa, dfiasco->input); - - frame->reference_count++; /* for motion compensation */ - image->private = frame; - image->delete = fiasco_image_delete; - image->get_width = fiasco_image_get_width; - image->get_height = fiasco_image_get_height; - image->is_color = fiasco_image_is_color; - - return image; + fiasco_image_t *image = Calloc (1, sizeof (fiasco_image_t)); + image_t *frame = get_next_frame (NO, dfiasco->enlarge_factor, + dfiasco->smoothing, NULL, + dfiasco->image_format, + dfiasco->video, NULL, + dfiasco->wfa, dfiasco->input); + + frame->reference_count++; /* for motion compensation */ + image->private = frame; + image->delete = fiasco_image_delete; + image->get_width = fiasco_image_get_width; + image->get_height = fiasco_image_get_height; + image->is_color = fiasco_image_is_color; + + return image; } catch { - return NULL; + return NULL; } } } @@ -241,9 +241,9 @@ fiasco_decoder_get_width (fiasco_decoder_t *decoder) unsigned width; if (dfiasco->enlarge_factor >= 0) - width = dfiasco->wfa->wfainfo->width << dfiasco->enlarge_factor; + width = dfiasco->wfa->wfainfo->width << dfiasco->enlarge_factor; else - width = dfiasco->wfa->wfainfo->width >> - dfiasco->enlarge_factor; + width = dfiasco->wfa->wfainfo->width >> - dfiasco->enlarge_factor; return width & 1 ? width + 1 : width; } @@ -261,9 +261,9 @@ fiasco_decoder_get_height (fiasco_decoder_t *decoder) unsigned height; if (dfiasco->enlarge_factor >= 0) - height = dfiasco->wfa->wfainfo->height << dfiasco->enlarge_factor; + height = dfiasco->wfa->wfainfo->height << dfiasco->enlarge_factor; else - height = dfiasco->wfa->wfainfo->height >> - dfiasco->enlarge_factor; + height = dfiasco->wfa->wfainfo->height >> - dfiasco->enlarge_factor; return height & 1 ? height + 1 : height; } @@ -329,30 +329,30 @@ fiasco_decoder_delete (fiasco_decoder_t *decoder) /***************************************************************************** - private code + private code *****************************************************************************/ static dfiasco_t * alloc_dfiasco (wfa_t *wfa, video_t *video, bitfile_t *input, - int enlarge_factor, int smoothing, format_e image_format) + int enlarge_factor, int smoothing, format_e image_format) /* * FIASCO decoder constructor: * Initialize decoder structure. * * Return value: - * pointer to the new decoder structure + * pointer to the new decoder structure */ { dfiasco_t *dfiasco = Calloc (1, sizeof (dfiasco_t)); strcpy (dfiasco->id, "DFIASCO"); - dfiasco->wfa = wfa; - dfiasco->video = video; - dfiasco->input = input; + dfiasco->wfa = wfa; + dfiasco->video = video; + dfiasco->input = input; dfiasco->enlarge_factor = enlarge_factor; - dfiasco->smoothing = smoothing; + dfiasco->smoothing = smoothing; dfiasco->image_format = image_format; return dfiasco; @@ -367,7 +367,7 @@ free_dfiasco (dfiasco_t *dfiasco) * No return value. * * Side effects: - * 'video' struct is discarded. + * 'video' struct is discarded. */ { Free (dfiasco); @@ -380,7 +380,7 @@ cast_dfiasco (fiasco_decoder_t *dfiasco) * Check whether `dfiasco' is a valid object of type dfiasco_t. * * Return value: - * pointer to dfiasco_t struct on success + * pointer to dfiasco_t struct on success * NULL otherwise */ { @@ -389,8 +389,8 @@ cast_dfiasco (fiasco_decoder_t *dfiasco) { if (!streq (this->id, "DFIASCO")) { - set_error (_("Parameter `dfiasco' doesn't match required type.")); - return NULL; + set_error (_("Parameter `dfiasco' doesn't match required type.")); + return NULL; } } else |