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#include <stdio.h>
#include <stdlib.h>
#include "config.h"
#include "mp_msg.h"
#include "edl.h"
#include "help_mp.h"
char *edl_filename; // file to extract EDL entries from (-edl)
char *edl_output_filename; // file to put EDL entries in (-edlout)
/**
* Allocates a new EDL record and makes sure allocation was successful.
*
* \return New allocated EDL record.
* \brief Allocate new EDL record
*/
static edl_record_ptr edl_alloc_new(edl_record_ptr next_edl_record)
{
edl_record_ptr new_record = calloc(1, sizeof(struct edl_record));
if (!new_record) {
mp_msg(MSGT_CPLAYER, MSGL_FATAL, MSGTR_EdlOutOfMem);
exit(1);
}
if (next_edl_record) // if this isn't the first record, tell the previous one what the new one is.
next_edl_record->next = new_record;
new_record->prev = next_edl_record;
new_record->next = NULL;
return new_record;
}
/**
* Goes through entire EDL records and frees all memory.
* Assumes next_edl_record is valid or NULL.
*
* \brief Free EDL memory
*/
void free_edl(edl_record_ptr next_edl_record)
{
edl_record_ptr tmp;
while (next_edl_record) {
tmp = next_edl_record->next;
free(next_edl_record);
next_edl_record = tmp;
}
}
/** Parses edl_filename to fill EDL operations queue.
* Prints out how many EDL operations recorded total.
* \brief Fills EDL operations queue.
*/
edl_record_ptr edl_parse_file(void)
{
FILE *fd;
char line[100];
float start, stop;
int action;
int record_count = 0;
int lineCount = 0;
edl_record_ptr edl_records = NULL;
edl_record_ptr next_edl_record = NULL;
if (edl_filename)
{
if ((fd = fopen(edl_filename, "r")) == NULL)
{
return NULL;
}
while (fgets(line, 99, fd) != NULL)
{
lineCount++;
if ((sscanf(line, "%f %f %d", &start, &stop, &action))
!= 3)
{
mp_msg(MSGT_CPLAYER, MSGL_WARN, MSGTR_EdlBadlyFormattedLine,
lineCount);
continue;
}
if (next_edl_record && start <= next_edl_record->stop_sec)
{
mp_msg(MSGT_CPLAYER, MSGL_WARN, MSGTR_EdlNOValidLine, line);
mp_msg(MSGT_CPLAYER, MSGL_WARN, MSGTR_EdlBadLineOverlap,
next_edl_record->stop_sec, start);
continue;
}
if (stop <= start)
{
mp_msg(MSGT_CPLAYER, MSGL_WARN, MSGTR_EdlNOValidLine,
line);
mp_msg(MSGT_CPLAYER, MSGL_WARN, MSGTR_EdlBadLineBadStop);
continue;
}
next_edl_record = edl_alloc_new(next_edl_record);
if (!edl_records) edl_records = next_edl_record;
next_edl_record->action = action;
if (action == EDL_MUTE)
{
next_edl_record->length_sec = 0;
next_edl_record->start_sec = start;
next_edl_record->stop_sec = start;
next_edl_record = edl_alloc_new(next_edl_record);
next_edl_record->action = action;
next_edl_record->length_sec = 0;
next_edl_record->start_sec = stop;
next_edl_record->stop_sec = stop;
} else
{
next_edl_record->length_sec = stop - start;
next_edl_record->start_sec = start;
next_edl_record->stop_sec = stop;
}
record_count++;
}
fclose(fd);
}
if (edl_records)
mp_msg(MSGT_CPLAYER, MSGL_INFO, MSGTR_EdlRecordsNo, record_count);
else
mp_msg(MSGT_CPLAYER, MSGL_INFO, MSGTR_EdlQueueEmpty);
return edl_records;
}
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