diff options
| -rw-r--r-- | libavcodec/internal.h | 12 | ||||
| -rw-r--r-- | libavcodec/utils.c | 19 |
2 files changed, 31 insertions, 0 deletions
diff --git a/libavcodec/internal.h b/libavcodec/internal.h index 0c2133f..f2e6f00 100644 --- a/libavcodec/internal.h +++ b/libavcodec/internal.h @@ -404,6 +404,18 @@ int ff_alloc_a53_sei(const AVFrame *frame, size_t prefix_len, */ int64_t ff_guess_coded_bitrate(AVCodecContext *avctx); +/** + * Check if a value is in the list. If not, return the default value + * + * @param ctx Context for the log msg + * @param val_name Name of the checked value, for log msg + * @param array_valid_values Array of valid int, ended with INT_MAX + * @param default_value Value return if checked value is not in the array + * @return Value or default_value. + */ +int ff_int_from_list_or_default(void *ctx, const char * val_name, int val, + const int * array_valid_values, int default_value); + #if defined(_WIN32) && CONFIG_SHARED && !defined(BUILDING_avcodec) # define av_export_avcodec __declspec(dllimport) #else diff --git a/libavcodec/utils.c b/libavcodec/utils.c index c4c64a6..2fa811d 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -2209,3 +2209,22 @@ int64_t ff_guess_coded_bitrate(AVCodecContext *avctx) return bitrate; } + +int ff_int_from_list_or_default(void *ctx, const char * val_name, int val, + const int * array_valid_values, int default_value) +{ + int i = 0, ref_val; + + while (1) { + ref_val = array_valid_values[i]; + if (ref_val == INT_MAX) + break; + if (val == ref_val) + return val; + i++; + } + /* val is not a valid value */ + av_log(ctx, AV_LOG_DEBUG, + "%s %d are not supported. Set to default value : %d\n", val_name, val, default_value); + return default_value; +} |
