diff options
Diffstat (limited to 'TOOLS')
| -rw-r--r-- | TOOLS/vf_dlopen/telecine.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/TOOLS/vf_dlopen/telecine.c b/TOOLS/vf_dlopen/telecine.c index 109fef2d6b..1b3db26a20 100644 --- a/TOOLS/vf_dlopen/telecine.c +++ b/TOOLS/vf_dlopen/telecine.c @@ -11,7 +11,7 @@ /* * telecine filter * - * usage: -vf dlopen=./telecine.so:t:32 + * usage: -vf dlopen=./telecine.so:t:23 * * Parameter: first parameter is "t" for top field first, "b" for bottom field first * then digits (0-9) for how many fields a frame is to be displayed @@ -44,6 +44,7 @@ typedef struct { int occupied; double lastpts_in; double lastpts_out; + int first_frame_of_group; } tc_data_t; static int tc_config(struct vf_dlopen_context *ctx) @@ -116,9 +117,9 @@ static int tc_put_image(struct vf_dlopen_context *ctx) if (tc->pattern_pos == 0 && !tc->occupied) { // at the start of the pattern, reset pts - double newpts = ctx->inpic.pts - (delta * tc->pts_num) / tc->pts_denom; - // printf("pts reset: %f -> %f (delta: %f)\n", tc->lastpts_out, newpts, newpts - tc->lastpts_out); - tc->lastpts_out = newpts; + // printf("pts reset: %f -> %f (delta: %f)\n", tc->lastpts_out, ctx->inpic.pts, ctx->inpic.pts - tc->lastpts_out); + tc->lastpts_out = ctx->inpic.pts; + tc->first_frame_of_group = 1; } ++tc->pattern_pos; if (!tc->pattern[tc->pattern_pos]) @@ -150,7 +151,10 @@ static int tc_put_image(struct vf_dlopen_context *ctx) (ctx->inpic.planeheight[p] - !tc->firstfield + 1) / 2 ); } - tc->lastpts_out += (delta * tc->pts_num) / tc->pts_denom; + if (tc->first_frame_of_group) + tc->first_frame_of_group = 0; + else + tc->lastpts_out += (delta * tc->pts_num) / tc->pts_denom; ctx->outpic[nout].pts = tc->lastpts_out; // printf("pts written: %f\n", ctx->outpic[nout].pts); ++nout; @@ -167,7 +171,10 @@ static int tc_put_image(struct vf_dlopen_context *ctx) MIN(ctx->inpic.planestride[p], ctx->outpic[nout].planestride[p]), ctx->inpic.planeheight[p] ); - tc->lastpts_out += (delta * tc->pts_num) / tc->pts_denom; + if (tc->first_frame_of_group) + tc->first_frame_of_group = 0; + else + tc->lastpts_out += (delta * tc->pts_num) / tc->pts_denom; ctx->outpic[nout].pts = tc->lastpts_out; // printf("pts written: %f\n", ctx->outpic[nout].pts); ++nout; |