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cmdutils: add an option for listing stream dispositions

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This commit is contained in:
Anton Khirnov 2021-11-12 17:05:56 +01:00
parent a4c5d241ec
commit d4ae2a20e8
3 changed files with 19 additions and 0 deletions
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3
doc/fftools-common-opts.texi
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@ -167,6 +167,9 @@ Show available sample formats.
@item -layouts
Show channel names and standard channel layouts.
@item -dispositions
Show stream dispositions.
@item -colors
Show recognized color names.

10
fftools/cmdutils.c
View File

@ -1820,6 +1820,16 @@ int show_sample_fmts(void *optctx, const char *opt, const char *arg)
return 0;
}
int show_dispositions(void *optctx, const char *opt, const char *arg)
{
for (int i = 0; i < 32; i++) {
const char *str = av_disposition_to_string(1 << i);
if (str)
printf("%s\n", str);
}
return 0;
}
static void show_help_codec(const char *name, int encoder)
{
const AVCodecDescriptor *desc;

6
fftools/cmdutils.h
View File

@ -238,6 +238,7 @@ void show_help_options(const OptionDef *options, const char *msg, int req_flags,
{ "pix_fmts", OPT_EXIT, { .func_arg = show_pix_fmts }, "show available pixel formats" }, \
{ "layouts", OPT_EXIT, { .func_arg = show_layouts }, "show standard channel layouts" }, \
{ "sample_fmts", OPT_EXIT, { .func_arg = show_sample_fmts }, "show available audio sample formats" }, \
{ "dispositions", OPT_EXIT, { .func_arg = show_dispositions}, "show available stream dispositions" }, \
{ "colors", OPT_EXIT, { .func_arg = show_colors }, "show available color names" }, \
{ "loglevel", HAS_ARG, { .func_arg = opt_loglevel }, "set logging level", "loglevel" }, \
{ "v", HAS_ARG, { .func_arg = opt_loglevel }, "set logging level", "loglevel" }, \
@ -577,6 +578,11 @@ int show_layouts(void *optctx, const char *opt, const char *arg);
*/
int show_sample_fmts(void *optctx, const char *opt, const char *arg);
/**
* Print a listing containing all supported stream dispositions.
*/
int show_dispositions(void *optctx, const char *opt, const char *arg);
/**
* Print a listing containing all the color names and values recognized
* by the program.