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-rw-r--r--rotord/src/seek_indices.c319
1 files changed, 0 insertions, 319 deletions
diff --git a/rotord/src/seek_indices.c b/rotord/src/seek_indices.c
deleted file mode 100644
index cb877c3..0000000
--- a/rotord/src/seek_indices.c
+++ /dev/null
@@ -1,319 +0,0 @@
-/*****************************************************************************
- * Copyright 2008. Pittsburgh Pattern Recognition, Inc.
- *
- * This file is part of the Frame Accurate Seeking extension library to
- * ffmpeg (ffmpeg-fas).
- *
- * ffmpeg-fas is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or (at your
- * option) any later version.
- *
- * The ffmpeg-fas library is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
- * License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with the ffmpeg-fas library. If not, see <http://www.gnu.org/licenses/>.
- *
- ******************************************************************************/
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdint.h>
-#include <string.h>
-
-#include "seek_indices.h"
-#include "private_errors.h"
-
-/**** Defines *****************************************************************/
-
-#define DEFAULT_INITIAL_SIZE 100
-
-static seek_error_type private_show_error (const char *message, seek_error_type error);
-static seek_error_type private_resize_table (seek_table_type *table, int new_size);
-
-
-/*
- * seek_init_table
- */
-
-int compare_seek_tables(seek_table_type t1, seek_table_type t2)
-{
- int i;
-
- // printf("n_entries=(%d %d)\n", t1.num_entries, t2.num_entries);
-
- if (t1.num_entries != t2.num_entries)
- return 0;
-
- if (t1.completed != t2.completed)
- return 0;
-
- if (t1.num_frames != t2.num_frames)
- return 0;
-
- for (i=0;i<t1.num_entries;i++)
- {
- // printf("(%d %d) (%lld %lld) (%lld %lld)\n",
- // t1.array[i].display_index, t2.array[i].display_index,
- // t1.array[i].decode_time, t2.array[i].decode_time,
- // t1.array[i].display_time, t2.array[i].display_time);
- if ((t1.array[i].display_index != t2.array[i].display_index) ||
- (t1.array[i].last_packet_dts != t2.array[i].last_packet_dts) ||
- (t1.array[i].first_packet_dts != t2.array[i].first_packet_dts))
- return 0;
- }
-
- return 1;
-}
-
-seek_table_type seek_init_table (int initial_size)
-{
- seek_table_type table;
-
- if (initial_size < 0)
- initial_size = DEFAULT_INITIAL_SIZE;
-
- table.num_entries = 0;
- table.num_frames = -1;
- table.completed = seek_false;
-
- table.array = (seek_entry_type *)malloc (initial_size * sizeof(seek_entry_type));
-
- if (NULL == table.array)
- table.allocated_size = 0;
- else
- table.allocated_size = initial_size;
-
- return table;
-}
-
-/*
- * seek_release_table
- */
-
-void seek_release_table (seek_table_type *table)
-{
- table->num_entries = 0;
- table->num_frames = -1;
- table->completed = seek_false;
-
- if (NULL == table || NULL == table->array)
- return;
-
- free (table->array);
- return;
-}
-
-/*
- * seek_copy_table
- */
-
-seek_table_type seek_copy_table (seek_table_type source)
-{
- seek_table_type dest;
- dest.num_entries = source.num_entries;
- dest.num_frames = source.num_frames;
- dest.completed = source.completed;
-
- if (NULL == source.array)
- {
- dest.array = NULL;
- dest.allocated_size = 0;
- return dest;
- }
-
- dest.array = (seek_entry_type *)malloc (source.num_entries * sizeof(seek_entry_type));
-
- if (NULL == dest.array)
- {
- dest.array = NULL;
- dest.allocated_size = 0;
- return dest;
- }
-
- dest.allocated_size = source.num_entries;
-
- int i;
- for (i=0;i<source.num_entries;i++)
- dest.array[i] = source.array[i];
-
- return dest;
-}
-
-seek_error_type seek_append_table_entry (seek_table_type *table, seek_entry_type entry)
-{
-
- if (NULL == table || NULL == table->array)
- return private_show_error("null or invalid seek table", seek_bad_argument);
-
- if (table->num_entries != 0)
- if (table->array[table->num_entries - 1].display_index >= entry.display_index)
- return seek_no_error;
-
- if (table->num_entries == table->allocated_size)
- {
- seek_error_type error = private_resize_table (table, table->num_entries * 2);
- if (error != seek_no_error)
- return private_show_error ("unable to resize seek table", error);
- }
-
- table->array[table->num_entries] = entry;
- table->num_entries++;
-
- return seek_no_error;
-}
-
-/*
- * seek_get_nearest_entry
- */
-
-seek_error_type seek_get_nearest_entry (seek_table_type *table, seek_entry_type *entry, int display_index, int offset)
-{
- /* using offset>0 returns a modified seek_entry that sets the 'time-to-seek' to be $offset keyframes in the past.
- */
-
- if (NULL == table || NULL == table->array || table->num_entries <= 0) {
- return private_show_error ("NULL or invalid seek table", seek_bad_argument);
- }
-
- if (NULL == entry) {
- return private_show_error ("NULL entry buffer (for return)", seek_bad_argument);
- }
-
- if (display_index < table->array[0].display_index)
- return private_show_error ("tried to seek to frame index before first frame", seek_bad_argument);
-
- int i;
- for (i=0; i < table->num_entries; i++)
- if (table->array[i].display_index > display_index)
- break;
-
- i = i-1;
-
- if (i<offset) /* target was lower than first element (including offset) */
- return private_show_error ("target index out of table range (too small)", seek_bad_argument);
-
- *entry = table->array[i];
- (*entry).first_packet_dts = table->array[i-offset].first_packet_dts;
-
- return seek_no_error;
-}
-
-
-/* read raw file */
-seek_table_type read_table_file(char *name)
-{
- seek_table_type ans = { NULL, (seek_boolean_type) 0, (seek_boolean_type) 0 };
-
- FILE *table_file = fopen(name, "r");
- if (table_file == NULL)
- return ans;
-
- int completed_flag;
- fscanf(table_file, "%d %d %d\n", &ans.num_frames, &ans.num_entries, &completed_flag);
-
- if (completed_flag == 1)
- ans.completed = seek_true;
- else
- ans.completed = seek_false;
-
- ans.allocated_size = ans.num_entries;
- ans.array = (seek_entry_type*) malloc (ans.allocated_size * sizeof(seek_entry_type));
-
- int i;
- for (i=0;i<ans.num_entries;i++)
- fscanf(table_file, "%d %lld %lld\n", &(ans.array[i].display_index), &(ans.array[i].first_packet_dts), &(ans.array[i].last_packet_dts));
-
- fclose(table_file);
- return ans;
-}
-
-seek_error_type seek_show_raw_table (FILE* file, seek_table_type table)
-{
- seek_entry_type *entry;
- int index;
-
- if (NULL == table.array || table.num_entries <= 0)
- return private_show_error ("NULL or invalid seek table", seek_bad_argument);
-
- int completed_flag = 0;
- if (table.completed == seek_true)
- completed_flag = 1;
-
- fprintf(file, "%d %d %d\n", table.num_frames, table.num_entries, completed_flag);
- for (index = 0; index < table.num_entries; index++)
- {
- entry = &(table.array[index]);
-
- fprintf (file, "%d %lld %lld\n", entry->display_index, entry->first_packet_dts, entry->last_packet_dts);
- }
- return seek_no_error;
-}
-
-seek_error_type seek_show_table (seek_table_type table)
-{
- seek_entry_type *entry;
- int index;
-
- if (NULL == table.array || table.num_entries <= 0) {
- return private_show_error ("NULL or invalid seek table", seek_bad_argument);
- }
-
- int completed_flag = 0;
- if (table.completed == seek_true)
- completed_flag = 1;
-
- fprintf (stderr, "--- Seek Table Dump ---\n");
- fprintf (stderr, "n_frames: %d n_entries: %d completed: %d\n",table.num_frames, table.num_entries, completed_flag);
- for (index = 0; index < table.num_entries; index++)
- {
- entry = &(table.array[index]);
-
- fprintf (stderr, " %04d --> %08lld (%08lld)\n", entry->display_index, entry->first_packet_dts, entry->last_packet_dts);
- }
-
- fprintf (stderr, "-----------------------\n");
-
- return seek_no_error;
-}
-
-/*
- * private_show_error
- */
-
-static seek_error_type private_show_error (const char *message, seek_error_type error)
-{
- if (SHOW_ERROR_MESSAGES)
- fprintf (stderr, " ===> seek_indices: %s\n", message);
-
- return error;
-}
-
-/*
- * private_resize_table
- */
-
-static seek_error_type private_resize_table (seek_table_type *table, int new_size)
-{
- seek_entry_type *new_array = NULL;
-
- if (table == NULL || new_size < 0) {
- return private_show_error ("invalid argument for private_resize_table()", seek_malloc_failed);
- }
-
- new_array = (seek_entry_type *)malloc (sizeof (seek_entry_type) * new_size);
- if (NULL == new_array) {
- return private_show_error ("unable to allocate more space for table", seek_malloc_failed);
- }
-
- memcpy (new_array, table->array, table->allocated_size * sizeof (seek_entry_type));
- free (table->array);
-
- table->allocated_size = new_size;
- table->array = new_array;
-
- return seek_no_error;
-}
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