Showing the changes to libavfilter (1 of 1 file). Show all
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| @@ -152,7 +152,7 @@ static const AVOption showcwt_options[] = { · 151 unmodified lines | |||
| 152 | { "min", "set minimum frequency", OFFSET(minimum_frequency), AV_OPT_TYPE_FLOAT, {.dbl = 20.}, 1, 192000, FLAGS }, | 152 | { "min", "set minimum frequency", OFFSET(minimum_frequency), AV_OPT_TYPE_FLOAT, {.dbl = 20.}, 1, 192000, FLAGS }, |
| 153 | { "max", "set maximum frequency", OFFSET(maximum_frequency), AV_OPT_TYPE_FLOAT, {.dbl = 20000.}, 1, 192000, FLAGS }, | 153 | { "max", "set maximum frequency", OFFSET(maximum_frequency), AV_OPT_TYPE_FLOAT, {.dbl = 20000.}, 1, 192000, FLAGS }, |
| 154 | { "logb", "set logarithmic basis", OFFSET(logarithmic_basis), AV_OPT_TYPE_FLOAT, {.dbl = 0.0001}, 0, 1, FLAGS }, | 154 | { "logb", "set logarithmic basis", OFFSET(logarithmic_basis), AV_OPT_TYPE_FLOAT, {.dbl = 0.0001}, 0, 1, FLAGS }, |
| 155 | { "deviation", "set frequency deviation", OFFSET(deviation), AV_OPT_TYPE_FLOAT, {.dbl = 1.}, 0, 10, FLAGS }, | 155 | { "deviation", "set frequency deviation", OFFSET(deviation), AV_OPT_TYPE_FLOAT, {.dbl = 1.}, 0, 100, FLAGS }, |
| 156 | { "pps", "set pixels per second", OFFSET(pps), AV_OPT_TYPE_INT, {.i64 = 64}, 1, 1024, FLAGS }, | 156 | { "pps", "set pixels per second", OFFSET(pps), AV_OPT_TYPE_INT, {.i64 = 64}, 1, 1024, FLAGS }, |
| 157 | { "mode", "set output mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 4, FLAGS, "mode" }, | 157 | { "mode", "set output mode", OFFSET(mode), AV_OPT_TYPE_INT, {.i64=0}, 0, 4, FLAGS, "mode" }, |
| 158 | { "magnitude", "magnitude", 0, AV_OPT_TYPE_CONST,{.i64=0}, 0, 0, FLAGS, "mode" }, | 158 | { "magnitude", "magnitude", 0, AV_OPT_TYPE_CONST,{.i64=0}, 0, 0, FLAGS, "mode" }, |
| @@ -701,13 +701,13 @@ static int compute_kernel(AVFilterContext *ctx) · 542 unmodified lines | |||
| 701 | 701 | ||
| 702 | for (int y = 0; y < fsize; y++) { | 702 | for (int y = 0; y < fsize; y++) { |
| 703 | AVComplexFloat *kernel = s->kernel[y]; | 703 | AVComplexFloat *kernel = s->kernel[y]; |
| 704 | int start = 0, stop = 0; | 704 | int start = INT_MIN, stop = INT_MAX; |
| 705 | const float frequency = s->frequency_band[y*2] * correction; | 705 | const float frequency = s->frequency_band[y*2] * correction; |
| 706 | const float deviation = 1.f / (s->frequency_band[y*2+1] * | 706 | const float deviation = 1.f / (s->frequency_band[y*2+1] * |
| 707 | output_sample_count * correction); | 707 | output_sample_count * correction); |
| 708 | const int range = 8.f*M_PI*sqrtf(1.f/deviation); | 708 | const int a = FFMAX(frequency-12.f*sqrtf(1.f/deviation)-0.5f, -size); |
| 709 | const int a = floorf(frequency-range); | 709 | const int b = FFMIN(frequency+12.f*sqrtf(1.f/deviation)-0.5f, size+a); |
| 710 | const int b = ceilf(frequency+range); | 710 | const int range = -a; |
| 711 | 711 | ||
| 712 | memset(tkernel, 0, size * sizeof(*tkernel)); | 712 | memset(tkernel, 0, size * sizeof(*tkernel)); |
| 713 | for (int n = a; n < b; n++) { | 713 | for (int n = a; n < b; n++) { |
| @@ -720,7 +720,7 @@ static int compute_kernel(AVFilterContext *ctx) · 6 unmodified lines | |||
| 720 | for (int n = a; n < b; n++) { | 720 | for (int n = a; n < b; n++) { |
| 721 | if (tkernel[n+range] != 0.f) { | 721 | if (tkernel[n+range] != 0.f) { |
| 722 | if (tkernel[n+range] > FLT_MIN) | 722 | if (tkernel[n+range] > FLT_MIN) |
| 723 | av_log(ctx, AV_LOG_DEBUG, "out of range kernel\n"); | 723 | av_log(ctx, AV_LOG_DEBUG, "out of range kernel %g\n", tkernel[n+range]); |
| 724 | start = n; | 724 | start = n; |
| 725 | break; | 725 | break; |
| 726 | } | 726 | } |
| @@ -729,16 +729,21 @@ static int compute_kernel(AVFilterContext *ctx) · 2 unmodified lines | |||
| 729 | for (int n = b; n >= a; n--) { | 729 | for (int n = b; n >= a; n--) { |
| 730 | if (tkernel[n+range] != 0.f) { | 730 | if (tkernel[n+range] != 0.f) { |
| 731 | if (tkernel[n+range] > FLT_MIN) | 731 | if (tkernel[n+range] > FLT_MIN) |
| 732 | av_log(ctx, AV_LOG_DEBUG, "out of range kernel\n"); | 732 | av_log(ctx, AV_LOG_DEBUG, "out of range kernel %g\n", tkernel[n+range]); |
| 733 | stop = n; | 733 | stop = n; |
| 734 | break; | 734 | break; |
| 735 | } | 735 | } |
| 736 | } | 736 | } |
| 737 | 737 | ||
| 738 | if (start == INT_MIN || stop == INT_MAX) { | ||
| 739 | ret = AVERROR(EINVAL); | ||
| 740 | break; | ||
| 741 | } | ||
| 742 | |||
| 738 | kernel_start[y] = start; | 743 | kernel_start[y] = start; |
| 739 | kernel_stop[y] = stop; | 744 | kernel_stop[y] = stop; |
| 740 | 745 | ||
| 741 | kernel = av_calloc(FFALIGN(stop - start + 1+range, 16), sizeof(*kernel)); | 746 | kernel = av_calloc(FFALIGN(stop-start+1, 16), sizeof(*kernel)); |
| 742 | if (!kernel) { | 747 | if (!kernel) { |
| 743 | ret = AVERROR(ENOMEM); | 748 | ret = AVERROR(ENOMEM); |
| 744 | break; | 749 | break; |