asrc_abuffer: pass non-const string to strtok_r in init()

Fix GCC warning:
asrc_abuffer.c: In function ‘init’:
asrc_abuffer.c:258: warning: passing argument 1 of ‘strtok_r’ discards qualifiers from pointer target type
This commit is contained in:
Stefano Sabatini 2011-08-21 11:38:30 +02:00
parent 587c8ab912
commit c5d9bd1938

View File

@ -249,10 +249,11 @@ int av_asrc_buffer_add_buffer(AVFilterContext *ctx,
pts, flags);
}
static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
static av_cold int init(AVFilterContext *ctx, const char *args0, void *opaque)
{
ABufferSourceContext *abuffer = ctx->priv;
char *arg = NULL, *ptr, chlayout_str[16];
char *args = av_strdup(args0);
int ret;
arg = strtok_r(args, ":", &ptr);
@ -260,8 +261,10 @@ static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
#define ADD_FORMAT(fmt_name) \
if (!arg) \
goto arg_fail; \
if ((ret = ff_parse_##fmt_name(&abuffer->fmt_name, arg, ctx)) < 0) \
if ((ret = ff_parse_##fmt_name(&abuffer->fmt_name, arg, ctx)) < 0) { \
av_freep(&args); \
return ret; \
} \
if (*args) \
arg = strtok_r(NULL, ":", &ptr)
@ -281,12 +284,14 @@ static av_cold int init(AVFilterContext *ctx, const char *args, void *opaque)
av_log(ctx, AV_LOG_INFO, "format:%s layout:%s rate:%d\n",
av_get_sample_fmt_name(abuffer->sample_format), chlayout_str,
abuffer->sample_rate);
av_freep(&args);
return 0;
arg_fail:
av_log(ctx, AV_LOG_ERROR, "Invalid arguments, must be of the form "
"sample_rate:sample_fmt:channel_layout:packing\n");
av_freep(&args);
return AVERROR(EINVAL);
}