diff options
Diffstat (limited to 'libavfilter')
| -rw-r--r-- | libavfilter/af_surround.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavfilter/af_surround.c b/libavfilter/af_surround.c index 4a228b6003..2e883a9f36 100644 --- a/libavfilter/af_surround.c +++ b/libavfilter/af_surround.c @@ -40,6 +40,7 @@ typedef struct AudioSurroundContext { float lfe_in; float lfe_out; int lfe_mode; + int win_size; int win_func; float overlap; @@ -1416,7 +1417,7 @@ fail: return AVERROR(EINVAL); } - s->buf_size = 4096; + s->buf_size = 1 << av_log2(s->win_size); s->pts = AV_NOPTS_VALUE; s->window_func_lut = av_calloc(s->buf_size, sizeof(*s->window_func_lut)); @@ -1615,6 +1616,7 @@ static const AVOption surround_options[] = { { "sly", "set side left channel y spread", OFFSET(sl_y), AV_OPT_TYPE_FLOAT, {.dbl=1}, 0, 15, FLAGS }, { "sry", "set side right channel y spread", OFFSET(sr_y), AV_OPT_TYPE_FLOAT, {.dbl=1}, 0, 15, FLAGS }, { "bcy", "set back center channel y spread", OFFSET(bc_y), AV_OPT_TYPE_FLOAT, {.dbl=1}, 0, 15, FLAGS }, + { "win_size", "set window size", OFFSET(win_size), AV_OPT_TYPE_INT, {.i64 = 4096}, 1024, 65536, FLAGS }, { "win_func", "set window function", OFFSET(win_func), AV_OPT_TYPE_INT, {.i64 = WFUNC_HANNING}, 0, NB_WFUNC-1, FLAGS, "win_func" }, { "rect", "Rectangular", 0, AV_OPT_TYPE_CONST, {.i64=WFUNC_RECT}, 0, 0, FLAGS, "win_func" }, { "bartlett", "Bartlett", 0, AV_OPT_TYPE_CONST, {.i64=WFUNC_BARTLETT}, 0, 0, FLAGS, "win_func" }, |