MrBesen/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Make all option parsing functions match the function pointer type through which they are called.

Browse Source 
All option parsing functions now match the function pointer signature through
which they are called (int f(const char *, const char *), thereby working
reliably on all platforms.
Prefix all option processing functions with opt_
This commit is contained in:
Jeff Downs 2011-06-29 12:38:46 -04:00
parent 5a931a158f
commit a09918335f
7 changed files with 61 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
cmdutils.c
View File

@ -574,12 +574,13 @@ void show_banner(void)
print_all_libs_info(stderr, INDENT|SHOW_VERSION);
}
void show_version(void) {
int opt_version(const char *opt, const char *arg) {
printf("%s " FFMPEG_VERSION "\n", program_name);
print_all_libs_info(stdout, SHOW_VERSION);
return 0;
}
void show_license(void)
int opt_license(const char *opt, const char *arg)
{
printf(
#if CONFIG_NONFREE
@ -646,9 +647,10 @@ void show_license(void)
program_name, program_name, program_name
#endif
);
return 0;
}
void show_formats(void)
int opt_formats(const char *opt, const char *arg)
{
AVInputFormat *ifmt=NULL;
AVOutputFormat *ofmt=NULL;
@ -695,9 +697,10 @@ void show_formats(void)
name,
long_name ? long_name:" ");
}
return 0;
}
void show_codecs(void)
int opt_codecs(const char *opt, const char *arg)
{
AVCodec *p=NULL, *p2;
const char *last_name;
@ -771,9 +774,10 @@ void show_codecs(void)
"even though both encoding and decoding are supported. For example, the h263\n"
"decoder corresponds to the h263 and h263p encoders, for file formats it is even\n"
"worse.\n");
return 0;
}
void show_bsfs(void)
int opt_bsfs(const char *opt, const char *arg)
{
AVBitStreamFilter *bsf=NULL;
@ -781,9 +785,10 @@ void show_bsfs(void)
while((bsf = av_bitstream_filter_next(bsf)))
printf("%s\n", bsf->name);
printf("\n");
return 0;
}
void show_protocols(void)
int opt_protocols(const char *opt, const char *arg)
{
URLProtocol *up=NULL;
@ -799,9 +804,10 @@ void show_protocols(void)
up->url_write ? 'O' : '.',
up->url_seek ? 'S' : '.',
up->name);
return 0;
}
void show_filters(void)
int opt_filters(const char *opt, const char *arg)
{
AVFilter av_unused(**filter) = NULL;
@ -810,9 +816,10 @@ void show_filters(void)
while ((filter = av_filter_next(filter)) && *filter)
printf("%-16s %s\n", (*filter)->name, (*filter)->description);
#endif
return 0;
}
void show_pix_fmts(void)
int opt_pix_fmts(const char *opt, const char *arg)
{
enum PixelFormat pix_fmt;
@ -843,6 +850,7 @@ void show_pix_fmts(void)
pix_desc->nb_components,
av_get_bits_per_pixel(pix_desc));
}
return 0;
}
int read_yesno(void)

26
cmdutils.h
View File

@ -62,7 +62,7 @@ void uninit_opts(void);
/**
* Trivial log callback.
* Only suitable for show_help and similar since it lacks prefix handling.
* Only suitable for opt_help and similar since it lacks prefix handling.
*/
void log_callback_help(void* ptr, int level, const char* fmt, va_list vl);
@ -177,50 +177,58 @@ void show_banner(void);
* Print the version of the program to stdout. The version message
* depends on the current versions of the repository and of the libav*
* libraries.
* This option processing function does not utilize the arguments.
*/
void show_version(void);
int opt_version(const char *opt, const char *arg);
/**
* Print the license of the program to stdout. The license depends on
* the license of the libraries compiled into the program.
* This option processing function does not utilize the arguments.
*/
void show_license(void);
int opt_license(const char *opt, const char *arg);
/**
* Print a listing containing all the formats supported by the
* program.
* This option processing function does not utilize the arguments.
*/
void show_formats(void);
int opt_formats(const char *opt, const char *arg);
/**
* Print a listing containing all the codecs supported by the
* program.
* This option processing function does not utilize the arguments.
*/
void show_codecs(void);
int opt_codecs(const char *opt, const char *arg);
/**
* Print a listing containing all the filters supported by the
* program.
* This option processing function does not utilize the arguments.
*/
void show_filters(void);
int opt_filters(const char *opt, const char *arg);
/**
* Print a listing containing all the bit stream filters supported by the
* program.
* This option processing function does not utilize the arguments.
*/
void show_bsfs(void);
int opt_bsfs(const char *opt, const char *arg);
/**
* Print a listing containing all the protocols supported by the
* program.
* This option processing function does not utilize the arguments.
*/
void show_protocols(void);
int opt_protocols(const char *opt, const char *arg);
/**
* Print a listing containing all the pixel formats supported by the
* program.
* This option processing function does not utilize the arguments.
*/
void show_pix_fmts(void);
int opt_pix_fmts(const char *opt, const char *arg);
/**
* Return a positive value if a line read from standard input

24
cmdutils_common_opts.h
View File

@ -1,13 +1,13 @@
{ "L", OPT_EXIT, {(void*)show_license}, "show license" },
{ "h", OPT_EXIT, {(void*)show_help}, "show help" },
{ "?", OPT_EXIT, {(void*)show_help}, "show help" },
{ "help", OPT_EXIT, {(void*)show_help}, "show help" },
{ "-help", OPT_EXIT, {(void*)show_help}, "show help" },
{ "version", OPT_EXIT, {(void*)show_version}, "show version" },
{ "formats" , OPT_EXIT, {(void*)show_formats }, "show available formats" },
{ "codecs" , OPT_EXIT, {(void*)show_codecs }, "show available codecs" },
{ "bsfs" , OPT_EXIT, {(void*)show_bsfs }, "show available bit stream filters" },
{ "protocols", OPT_EXIT, {(void*)show_protocols}, "show available protocols" },
{ "filters", OPT_EXIT, {(void*)show_filters }, "show available filters" },
{ "pix_fmts" , OPT_EXIT, {(void*)show_pix_fmts }, "show available pixel formats" },
{ "L", OPT_EXIT, {(void*)opt_license}, "show license" },
{ "h", OPT_EXIT, {(void*)opt_help}, "show help" },
{ "?", OPT_EXIT, {(void*)opt_help}, "show help" },
{ "help", OPT_EXIT, {(void*)opt_help}, "show help" },
{ "-help", OPT_EXIT, {(void*)opt_help}, "show help" },
{ "version", OPT_EXIT, {(void*)opt_version}, "show version" },
{ "formats" , OPT_EXIT, {(void*)opt_formats }, "show available formats" },
{ "codecs" , OPT_EXIT, {(void*)opt_codecs }, "show available codecs" },
{ "bsfs" , OPT_EXIT, {(void*)opt_bsfs }, "show available bit stream filters" },
{ "protocols", OPT_EXIT, {(void*)opt_protocols}, "show available protocols" },
{ "filters", OPT_EXIT, {(void*)opt_filters }, "show available filters" },
{ "pix_fmts" , OPT_EXIT, {(void*)opt_pix_fmts }, "show available pixel formats" },
{ "loglevel", HAS_ARG, {(void*)opt_loglevel}, "set libav* logging level", "loglevel" },

14
ffmpeg.c
View File

@ -2943,7 +2943,7 @@ static int opt_frame_pix_fmt(const char *opt, const char *arg)
return AVERROR(EINVAL);
}
} else {
show_pix_fmts();
opt_pix_fmts(NULL, NULL);
ffmpeg_exit(0);
}
return 0;
@ -4073,16 +4073,18 @@ static void parse_matrix_coeffs(uint16_t *dest, const char *str)
}
}
static void opt_inter_matrix(const char *opt, const char *arg)
static int opt_inter_matrix(const char *opt, const char *arg)
{
inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
parse_matrix_coeffs(inter_matrix, arg);
return 0;
}
static void opt_intra_matrix(const char *opt, const char *arg)
static int opt_intra_matrix(const char *opt, const char *arg)
{
intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
parse_matrix_coeffs(intra_matrix, arg);
return 0;
}
static void show_usage(void)
@ -4092,7 +4094,7 @@ static void show_usage(void)
printf("\n");
}
static void show_help(void)
static int opt_help(const char *opt, const char *arg)
{
AVCodec *c;
AVOutputFormat *oformat = NULL;
@ -4147,6 +4149,7 @@ static void show_help(void)
}
av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
return 0;
}
static int opt_target(const char *opt, const char *arg)
@ -4377,10 +4380,11 @@ static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
{
}
static void opt_passlogfile(const char *opt, const char *arg)
static int opt_passlogfile(const char *opt, const char *arg)
{
pass_logfilename_prefix = arg;
opt_default("passlogfile", arg);
return 0;
}
static const OptionDef options[] = {

5
ffplay.c
View File

@ -212,7 +212,7 @@ typedef struct VideoState {
int refresh;
} VideoState;
static void show_help(void);
static int opt_help(const char *opt, const char *arg);
/* options specified by the user */
static AVInputFormat *file_iformat;
@ -2950,7 +2950,7 @@ static void show_usage(void)
printf("\n");
}
static void show_help(void)
static int opt_help(const char *opt, const char *arg)
{
av_log_set_callback(log_callback_help);
show_usage();
@ -2982,6 +2982,7 @@ static void show_help(void)
"down/up seek backward/forward 1 minute\n"
"mouse click seek to percentage in file corresponding to fraction of width\n"
);
return 0;
}
/* Called from the main */

3
ffprobe.c
View File

@ -353,7 +353,7 @@ static int opt_input_file(const char *opt, const char *arg)
return 0;
}
static void show_help(void)
static int opt_help(const char *opt, const char *arg)
{
av_log_set_callback(log_callback_help);
show_usage();
@ -361,6 +361,7 @@ static void show_help(void)
printf("\n");
av_opt_show2(avformat_opts, NULL,
AV_OPT_FLAG_DECODING_PARAM, 0);
return 0;
}
static void opt_pretty(void)

3
ffserver.c
View File

@ -4654,12 +4654,13 @@ static void opt_debug(void)
logfilename[0] = '-';
}
static void show_help(void)
static int opt_help(const char *opt, const char *arg)
{
printf("usage: ffserver [options]\n"
"Hyper fast multi format Audio/Video streaming server\n");
printf("\n");
show_help_options(options, "Main options:\n", 0, 0);
return 0;
}
static const OptionDef options[] = {