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fftools: Constify values from av_dict_get() 

Treat values returned from av_dict_get() as const, since they are
internal to AVDictionary.

Signed-off-by: Chad Fraleigh <chadf@triularity.org>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Chad Fraleigh 2021-10-18 15:27:01 -07:00 committed by Andreas Rheinhardt
parent a90e41c590
commit a185b526a9
6 changed files with 19 additions and 19 deletions
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2
fftools/cmdutils.c
View File

@ -2121,7 +2121,7 @@ AVDictionary *filter_codec_opts(AVDictionary *opts, enum AVCodecID codec_id,
AVFormatContext *s, AVStream *st, const AVCodec *codec)
{
AVDictionary *ret = NULL;
AVDictionaryEntry *t = NULL;
const AVDictionaryEntry *t = NULL;
int flags = s->oformat ? AV_OPT_FLAG_ENCODING_PARAM
: AV_OPT_FLAG_DECODING_PARAM;
char prefix = 0;

6
fftools/ffmpeg.c
View File

@ -677,7 +677,7 @@ static void ffmpeg_cleanup(int ret)
void remove_avoptions(AVDictionary **a, AVDictionary *b)
{
AVDictionaryEntry *t = NULL;
const AVDictionaryEntry *t = NULL;
while ((t = av_dict_get(b, "", t, AV_DICT_IGNORE_SUFFIX))) {
av_dict_set(a, t->key, NULL, AV_DICT_MATCH_CASE);
@ -686,7 +686,7 @@ void remove_avoptions(AVDictionary **a, AVDictionary *b)
void assert_avoptions(AVDictionary *m)
{
AVDictionaryEntry *t;
const AVDictionaryEntry *t;
if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
exit_program(1);
@ -3228,7 +3228,7 @@ static int init_output_stream_streamcopy(OutputStream *ost)
static void set_encoder_id(OutputFile *of, OutputStream *ost)
{
AVDictionaryEntry *e;
const AVDictionaryEntry *e;
uint8_t *encoder_string;
int encoder_string_len;

6
fftools/ffmpeg_filter.c
View File

@ -86,7 +86,7 @@ static enum AVPixelFormat choose_pixel_fmt(AVStream *st, AVCodecContext *enc_ctx
static char *choose_pix_fmts(OutputFilter *ofilter)
{
OutputStream *ost = ofilter->ost;
AVDictionaryEntry *strict_dict = av_dict_get(ost->encoder_opts, "strict", NULL, 0);
const AVDictionaryEntry *strict_dict = av_dict_get(ost->encoder_opts, "strict", NULL, 0);
if (strict_dict)
// used by choose_pixel_fmt() and below
av_opt_set(ost->enc_ctx, "strict", strict_dict->value, 0);
@ -437,7 +437,7 @@ static int configure_output_video_filter(FilterGraph *fg, OutputFilter *ofilter,
if ((ofilter->width || ofilter->height) && ofilter->ost->autoscale) {
char args[255];
AVFilterContext *filter;
AVDictionaryEntry *e = NULL;
const AVDictionaryEntry *e = NULL;
snprintf(args, sizeof(args), "%d:%d",
ofilter->width, ofilter->height);
@ -994,7 +994,7 @@ int configure_filtergraph(FilterGraph *fg)
if (simple) {
OutputStream *ost = fg->outputs[0]->ost;
char args[512];
AVDictionaryEntry *e = NULL;
const AVDictionaryEntry *e = NULL;
if (filter_nbthreads) {
ret = av_opt_set(fg->graph, "threads", filter_nbthreads, 0);

8
fftools/ffmpeg_opt.c
View File

@ -249,7 +249,7 @@ static int show_hwaccels(void *optctx, const char *opt, const char *arg)
/* return a copy of the input with the stream specifiers removed from the keys */
static AVDictionary *strip_specifiers(AVDictionary *dict)
{
AVDictionaryEntry *e = NULL;
const AVDictionaryEntry *e = NULL;
AVDictionary *ret = NULL;
while ((e = av_dict_get(dict, "", e, AV_DICT_IGNORE_SUFFIX))) {
@ -1074,7 +1074,7 @@ static void dump_attachment(AVStream *st, const char *filename)
{
int ret;
AVIOContext *out = NULL;
AVDictionaryEntry *e;
const AVDictionaryEntry *e;
if (!st->codecpar->extradata_size) {
av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
@ -1110,7 +1110,7 @@ static int open_input_file(OptionsContext *o, const char *filename)
int err, i, ret;
int64_t timestamp;
AVDictionary *unused_opts = NULL;
AVDictionaryEntry *e = NULL;
const AVDictionaryEntry *e = NULL;
char * video_codec_name = NULL;
char * audio_codec_name = NULL;
char *subtitle_codec_name = NULL;
@ -2279,7 +2279,7 @@ static int open_output_file(OptionsContext *o, const char *filename)
OutputStream *ost;
InputStream *ist;
AVDictionary *unused_opts = NULL;
AVDictionaryEntry *e = NULL;
const AVDictionaryEntry *e = NULL;
if (o->stop_time != INT64_MAX && o->recording_time != INT64_MAX) {
o->stop_time = INT64_MAX;

8
fftools/ffplay.c
View File

@ -1856,7 +1856,7 @@ static int configure_video_filters(AVFilterGraph *graph, VideoState *is, const c
AVFilterContext *filt_src = NULL, *filt_out = NULL, *last_filter = NULL;
AVCodecParameters *codecpar = is->video_st->codecpar;
AVRational fr = av_guess_frame_rate(is->ic, is->video_st, NULL);
AVDictionaryEntry *e = NULL;
const AVDictionaryEntry *e = NULL;
int nb_pix_fmts = 0;
int i, j;
@ -1960,7 +1960,7 @@ static int configure_audio_filters(VideoState *is, const char *afilters, int for
int channels[2] = { 0, -1 };
AVFilterContext *filt_asrc = NULL, *filt_asink = NULL;
char aresample_swr_opts[512] = "";
AVDictionaryEntry *e = NULL;
const AVDictionaryEntry *e = NULL;
char asrc_args[256];
int ret;
@ -2575,7 +2575,7 @@ static int stream_component_open(VideoState *is, int stream_index)
const AVCodec *codec;
const char *forced_codec_name = NULL;
AVDictionary *opts = NULL;
AVDictionaryEntry *t = NULL;
const AVDictionaryEntry *t = NULL;
int sample_rate, nb_channels;
int64_t channel_layout;
int ret = 0;
@ -2760,7 +2760,7 @@ static int read_thread(void *arg)
AVPacket *pkt = NULL;
int64_t stream_start_time;
int pkt_in_play_range = 0;
AVDictionaryEntry *t;
const AVDictionaryEntry *t;
SDL_mutex *wait_mutex = SDL_CreateMutex();
int scan_all_pmts_set = 0;
int64_t pkt_ts;

8
fftools/ffprobe.c
View File

@ -580,7 +580,7 @@ static int writer_open(WriterContext **wctx, const Writer *writer, const char *a
/* convert options to dictionary */
if (args) {
AVDictionary *opts = NULL;
AVDictionaryEntry *opt = NULL;
const AVDictionaryEntry *opt = NULL;
if ((ret = av_dict_parse_string(&opts, args, "=", ":", 0)) < 0) {
av_log(*wctx, AV_LOG_ERROR, "Failed to parse option string '%s' provided to writer context\n", args);
@ -1836,7 +1836,7 @@ static void writer_register_all(void)
static inline int show_tags(WriterContext *w, AVDictionary *tags, int section_id)
{
AVDictionaryEntry *tag = NULL;
const AVDictionaryEntry *tag = NULL;
int ret = 0;
if (!tags)
@ -2364,7 +2364,7 @@ static void show_frame(WriterContext *w, AVFrame *frame, AVStream *stream,
print_int("max_content", metadata->MaxCLL);
print_int("max_average", metadata->MaxFALL);
} else if (sd->type == AV_FRAME_DATA_ICC_PROFILE) {
AVDictionaryEntry *tag = av_dict_get(sd->metadata, "name", NULL, AV_DICT_MATCH_CASE);
const AVDictionaryEntry *tag = av_dict_get(sd->metadata, "name", NULL, AV_DICT_MATCH_CASE);
if (tag)
print_str(tag->key, tag->value);
print_int("size", sd->size);
@ -2957,7 +2957,7 @@ static int open_input_file(InputFile *ifile, const char *filename,
{
int err, i;
AVFormatContext *fmt_ctx = NULL;
AVDictionaryEntry *t = NULL;
const AVDictionaryEntry *t = NULL;
int scan_all_pmts_set = 0;
fmt_ctx = avformat_alloc_context();