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Code Issues Releases Activity

af_aformat: use evil ADD_FORMATS macro for cutting out duplicated code

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This commit is contained in:
Stefano Sabatini 2011-08-16 16:54:04 +02:00
parent 5fa98ab42d
commit 8aa62bb950
1 changed files with 22 additions and 52 deletions
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74
libavfilter/af_aformat.c
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@ -42,60 +42,30 @@ static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
if (!args)
goto arg_fail;
fmts_str = av_get_token(&args, ":");
if (!fmts_str || !*fmts_str)
goto arg_fail;
if (!strcmp(fmts_str, "all")) {
aformat->formats = avfilter_all_formats(AVMEDIA_TYPE_AUDIO);
} else {
for (fmt_str = fmts_str;
fmt_str = strtok_r(fmt_str, ",", &ptr); fmt_str = NULL) {
if ((ret = ff_parse_sample_format((int*)&fmt, fmt_str, ctx)) < 0) {
av_freep(&fmts_str);
return ret;
}
avfilter_add_format(&aformat->formats, fmt);
}
}
av_freep(&fmts_str);
if (*args)
#define ADD_FORMATS(all_formats, fmt_name, fmt_type, fmts_list) \
fmts_str = av_get_token(&args, ":"); \
if (!fmts_str || !*fmts_str) \
goto arg_fail; \
if (!strcmp(fmts_str, "all")) { \
aformat->fmts_list = all_formats; \
} else { \
for (fmt_str = fmts_str; \
fmt_str = strtok_r(fmt_str, ",", &ptr); fmt_str = NULL) { \
if ((ret = ff_parse_##fmt_name((fmt_type *)&fmt, \
fmt_str, ctx)) < 0) { \
av_freep(&fmts_str); \
return ret; \
} \
avfilter_add_format(&aformat->fmts_list, fmt); \
} \
} \
av_freep(&fmts_str); \
if (*args) \
args++;
fmts_str = av_get_token(&args, ":");
if (!fmts_str || !*fmts_str)
goto arg_fail;
if (!strcmp(fmts_str, "all")) {
aformat->chlayouts = avfilter_all_channel_layouts();
} else {
for (fmt_str = fmts_str;
fmt_str = strtok_r(fmt_str, ",", &ptr); fmt_str = NULL) {
if ((ret = ff_parse_channel_layout(&fmt, fmt_str, ctx)) < 0) {
av_freep(&fmts_str);
return ret;
}
avfilter_add_format(&aformat->chlayouts, fmt);
}
}
av_freep(&fmts_str);
if (*args)
args++;
fmts_str = av_get_token(&args, ":");
if (!fmts_str || !*fmts_str)
goto arg_fail;
if (!strcmp(fmts_str, "all")) {
aformat->packing = avfilter_all_packing_formats();
} else {
for (fmt_str = fmts_str;
fmt_str = strtok_r(fmt_str, ",", &ptr); fmt_str = NULL) {
if ((ret = ff_parse_packing_format((int*)&fmt, fmt_str, ctx)) < 0) {
av_freep(&fmts_str);
return ret;
}
avfilter_add_format(&aformat->packing, fmt);
}
}
av_freep(&fmts_str);
ADD_FORMATS(avfilter_all_formats(AVMEDIA_TYPE_AUDIO), sample_format, int, formats);
ADD_FORMATS(avfilter_all_channel_layouts(), channel_layout, int64_t, chlayouts);
ADD_FORMATS(avfilter_all_packing_formats(), packing_format, int, packing);
return 0;