ff_init_vlc_sparse() supports arrays of uint8_t, uint16_t and uint32_t as input (and it also supports padding/other elements in between the elements). This makes the typical case in which the input is a simple array more cumbersome. E.g. for an array of uint8_t one would either need to call the function with arguments like "array, sizeof(array[0]), sizeof(array[0])" or with "array, 1, 1". The former is nicer, but longer, so that the latter is mostly used. Therefore this commit adds a macro that expands to the sizeof() construct.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@gmail.com> --- libavcodec/vlc.h | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/libavcodec/vlc.h b/libavcodec/vlc.h index 42ccddf3fc..7cb323b62c 100644 --- a/libavcodec/vlc.h +++ b/libavcodec/vlc.h @@ -35,7 +35,12 @@ typedef struct RL_VLC_ELEM { uint8_t run; } RL_VLC_ELEM; -#define init_vlc(vlc, nb_bits, nb_codes, \ +#define INIT_VLC_DEFAULT_SIZES(ptr) \ + (ptr), sizeof((ptr)[0]), sizeof((ptr)[0]) + +#define init_vlc(...) init_vlc2(__VA_ARGS__) + +#define init_vlc2(vlc, nb_bits, nb_codes, \ bits, bits_wrap, bits_size, \ codes, codes_wrap, codes_size, \ flags) \ -- 2.20.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".