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avformat/tee: Constify AVDictionaryEntry* pointee where possible

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This is in preparation for using av_dict_iterate().

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2024-05-17 15:32:05 +02:00
parent 583c3d45fa
commit 26f3e79114
1 changed files with 5 additions and 4 deletions
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9
libavformat/tee.c
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@ -158,7 +158,7 @@ static int open_slave(AVFormatContext *avf, char *slave, TeeSlave *tee_slave)
{
int i, ret;
AVDictionary *options = NULL, *bsf_options = NULL;
AVDictionaryEntry *entry;
const AVDictionaryEntry *entry;
char *filename;
char *format = NULL, *select = NULL, *on_fail = NULL;
char *use_fifo = NULL, *fifo_options_str = NULL;
@ -172,15 +172,16 @@ static int open_slave(AVFormatContext *avf, char *slave, TeeSlave *tee_slave)
return ret;
#define CONSUME_OPTION(option, field, action) do { \
if ((entry = av_dict_get(options, option, NULL, 0))) { \
field = entry->value; \
AVDictionaryEntry *en = av_dict_get(options, option, NULL, 0); \
if (en) { \
field = en->value; \
{ action } \
av_dict_set(&options, option, NULL, 0); \
} \
} while (0)
#define STEAL_OPTION(option, field) \
CONSUME_OPTION(option, field, \
entry->value = NULL; /* prevent it from being freed */)
en->value = NULL; /* prevent it from being freed */)
#define PROCESS_OPTION(option, field, function, on_error) \
CONSUME_OPTION(option, field, if ((ret = function) < 0) { { on_error } goto end; })