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| author | Paul B Mahol <onemda@gmail.com> | 2020-08-31 10:46:42 +0200 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2020-08-31 11:09:53 +0200 |
| commit | 64e93025f002c137c6b8baa8c7112482ce5df857 (patch) | |
| tree | b8c82c30dd0927fc7ae9d28ee63139902dce13b9 /libavfilter/vsrc_gradients.c | |
| parent | 4a11a6f4ccc7c56ccc82adf0c3ab4054d4c22d1e (diff) | |
| download | ffmpeg-64e93025f002c137c6b8baa8c7112482ce5df857.tar.gz | |
avfilter/vsrc_gradients: add duration option
Diffstat (limited to 'libavfilter/vsrc_gradients.c')
| -rw-r--r-- | libavfilter/vsrc_gradients.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/libavfilter/vsrc_gradients.c b/libavfilter/vsrc_gradients.c index 984227017e..410c3cb69b 100644 --- a/libavfilter/vsrc_gradients.c +++ b/libavfilter/vsrc_gradients.c @@ -36,7 +36,8 @@ typedef struct GradientsContext { int w, h; int type; AVRational frame_rate; - uint64_t pts; + int64_t pts; + int64_t duration; ///< duration expressed in microseconds uint8_t color_rgba[8][4]; int nb_colors; @@ -72,6 +73,8 @@ static const AVOption gradients_options[] = { {"nb_colors", "set the number of colors", OFFSET(nb_colors), AV_OPT_TYPE_INT, {.i64=2}, 2, 8, FLAGS }, {"n", "set the number of colors", OFFSET(nb_colors), AV_OPT_TYPE_INT, {.i64=2}, 2, 8, FLAGS }, {"seed", "set the seed", OFFSET(seed), AV_OPT_TYPE_INT64, {.i64=-1}, -1, UINT32_MAX, FLAGS }, + {"duration", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64=-1}, -1, INT64_MAX, FLAGS },\ + {"d", "set video duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64=-1}, -1, INT64_MAX, FLAGS },\ {NULL}, }; @@ -251,6 +254,10 @@ static int gradients_request_frame(AVFilterLink *outlink) const float w2 = s->w / 2.f; const float h2 = s->h / 2.f; + if (s->duration >= 0 && + av_rescale_q(s->pts, outlink->time_base, AV_TIME_BASE_Q) >= s->duration) + return AVERROR_EOF; + s->fx0 = (s->x0 - w2) * cosf(angle) - (s->y0 - h2) * sinf(angle) + w2; s->fy0 = (s->x0 - w2) * sinf(angle) + (s->y0 - h2) * cosf(angle) + h2; @@ -260,6 +267,9 @@ static int gradients_request_frame(AVFilterLink *outlink) if (!frame) return AVERROR(ENOMEM); + frame->key_frame = 1; + frame->interlaced_frame = 0; + frame->pict_type = AV_PICTURE_TYPE_I; frame->sample_aspect_ratio = (AVRational) {1, 1}; frame->pts = s->pts++; |