Also, document who sets these fields and when.
Showing the changes to libavfilter (7 of 7 files). Show all
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| @@ -26,6 +26,7 @@ · 25 unmodified lines | ||
| 26 | 26 | #include "libavutil/avassert.h" |
| 27 | 27 | #include "libavutil/tx.h" |
| 28 | 28 | #include "avfilter.h" |
| 29 | +#include "filters.h" | |
| 29 | 30 | #include "internal.h" |
| 30 | 31 | #include "audio.h" |
| 31 | 32 | |
| @@ -725,6 +726,7 @@ static int generate_kernel(AVFilterContext *ctx, const char *gain, const char *g · 693 unmodified lines | ||
| 725 | 726 | |
| 726 | 727 | static int config_input(AVFilterLink *inlink) |
| 727 | 728 | { |
| 729 | + FilterLink *l = ff_filter_link(inlink); | |
| 728 | 730 | AVFilterContext *ctx = inlink->dst; |
| 729 | 731 | FIREqualizerContext *s = ctx->priv; |
| 730 | 732 | float iscale, scale = 1.f; |
| @@ -824,7 +826,7 @@ static int config_input(AVFilterLink *inlink) · 93 unmodified lines | ||
| 824 | 826 | inlink->sample_rate, inlink->ch_layout.nb_channels, s->analysis_rdft_len, s->rdft_len, s->fir_len, s->nsamples_max); |
| 825 | 827 | |
| 826 | 828 | if (s->fixed) |
| 827 | − inlink->min_samples = inlink->max_samples = s->nsamples_max; | |
| 829 | + l->min_samples = l->max_samples = s->nsamples_max; | |
| 828 | 830 | |
| 829 | 831 | return generate_kernel(ctx, SELECT_GAIN(s), SELECT_GAIN_ENTRY(s)); |
| 830 | 832 | } |
| @@ -34,6 +34,7 @@ · 33 unmodified lines | ||
| 34 | 34 | #include "libavutil/opt.h" |
| 35 | 35 | #include "audio.h" |
| 36 | 36 | #include "avfilter.h" |
| 37 | +#include "filters.h" | |
| 37 | 38 | #include "formats.h" |
| 38 | 39 | #include "internal.h" |
| 39 | 40 | |
| @@ -381,7 +382,7 @@ static int config_output(AVFilterLink *outlink) · 341 unmodified lines | ||
| 381 | 382 | (lilv_plugin_has_feature(s->plugin, s->powerOf2BlockLength) || |
| 382 | 383 | lilv_plugin_has_feature(s->plugin, s->fixedBlockLength) || |
| 383 | 384 | lilv_plugin_has_feature(s->plugin, s->boundedBlockLength))) { |
| 384 | − AVFilterLink *inlink = ctx->inputs[0]; | |
| 385 | + FilterLink *inlink = ff_filter_link(ctx->inputs[0]); | |
| 385 | 386 | |
| 386 | 387 | inlink->min_samples = inlink->max_samples = 4096; |
| 387 | 388 | } |
| @@ -30,6 +30,7 @@ · 29 unmodified lines | ||
| 30 | 30 | #include "libavutil/opt.h" |
| 31 | 31 | #include "audio.h" |
| 32 | 32 | #include "avfilter.h" |
| 33 | +#include "filters.h" | |
| 33 | 34 | #include "formats.h" |
| 34 | 35 | #include "internal.h" |
| 35 | 36 | |
| @@ -349,6 +350,7 @@ static int query_formats(AVFilterContext *ctx) · 313 unmodified lines | ||
| 349 | 350 | |
| 350 | 351 | static int config_input(AVFilterLink *inlink) |
| 351 | 352 | { |
| 353 | + FilterLink *l = ff_filter_link(inlink); | |
| 352 | 354 | AVFilterContext *ctx = inlink->dst; |
| 353 | 355 | ReplayGainContext *s = ctx->priv; |
| 354 | 356 | int i; |
| @@ -366,8 +368,8 @@ static int config_input(AVFilterLink *inlink) · 11 unmodified lines | ||
| 366 | 368 | |
| 367 | 369 | s->yule_hist_i = 20; |
| 368 | 370 | s->butter_hist_i = 4; |
| 369 | − inlink->min_samples = | |
| 370 | − inlink->max_samples = inlink->sample_rate / 20; | |
| 371 | + l->min_samples = | |
| 372 | + l->max_samples = inlink->sample_rate / 20; | |
| 371 | 373 | |
| 372 | 374 | return 0; |
| 373 | 375 | } |
| @@ -1077,14 +1077,15 @@ static int samples_ready(FilterLinkInternal *link, unsigned min) · 1076 unmodified lines | ||
| 1077 | 1077 | static int take_samples(FilterLinkInternal *li, unsigned min, unsigned max, |
| 1078 | 1078 | AVFrame **rframe) |
| 1079 | 1079 | { |
| 1080 | − AVFilterLink *link = &li->l.pub; | |
| 1080 | + FilterLink *l = &li->l; | |
| 1081 | + AVFilterLink *link = &l->pub; | |
| 1081 | 1082 | AVFrame *frame0, *frame, *buf; |
| 1082 | 1083 | unsigned nb_samples, nb_frames, i, p; |
| 1083 | 1084 | int ret; |
| 1084 | 1085 | |
| 1085 | 1086 | /* Note: this function relies on no format changes and must only be |
| 1086 | 1087 | called with enough samples. */ |
| 1087 | − av_assert1(samples_ready(li, link->min_samples)); | |
| 1088 | + av_assert1(samples_ready(li, l->min_samples)); | |
| 1088 | 1089 | frame0 = frame = ff_framequeue_peek(&li->fifo, 0); |
| 1089 | 1090 | if (!li->fifo.samples_skipped && frame->nb_samples >= min && frame->nb_samples <= max) { |
| 1090 | 1091 | *rframe = ff_framequeue_take(&li->fifo); |
| @@ -1142,8 +1143,8 @@ static int ff_filter_frame_to_filter(AVFilterLink *link) · 51 unmodified lines | ||
| 1142 | 1143 | int ret; |
| 1143 | 1144 | |
| 1144 | 1145 | av_assert1(ff_framequeue_queued_frames(&li->fifo)); |
| 1145 | − ret = link->min_samples ? | |
| 1146 | − ff_inlink_consume_samples(link, link->min_samples, link->max_samples, &frame) : | |
| 1146 | + ret = li->l.min_samples ? | |
| 1147 | + ff_inlink_consume_samples(link, li->l.min_samples, li->l.max_samples, &frame) : | |
| 1147 | 1148 | ff_inlink_consume_frame(link, &frame); |
| 1148 | 1149 | av_assert1(ret); |
| 1149 | 1150 | if (ret < 0) { |
| @@ -1218,8 +1219,8 @@ static int ff_filter_activate_default(AVFilterContext *filter) · 68 unmodified lines | ||
| 1218 | 1219 | } |
| 1219 | 1220 | |
| 1220 | 1221 | for (i = 0; i < filter->nb_inputs; i++) { |
| 1221 | − if (samples_ready(ff_link_internal(filter->inputs[i]), | |
| 1222 | − filter->inputs[i]->min_samples)) { | |
| 1222 | + FilterLinkInternal *li = ff_link_internal(filter->inputs[i]); | |
| 1223 | + if (samples_ready(li, li->l.min_samples)) { | |
| 1223 | 1224 | return ff_filter_frame_to_filter(filter->inputs[i]); |
| 1224 | 1225 | } |
| 1225 | 1226 | } |
| @@ -625,21 +625,6 @@ struct AVFilterLink { · 624 unmodified lines | ||
| 625 | 625 | */ |
| 626 | 626 | AVRational frame_rate; |
| 627 | 627 | |
| 628 | − /** | |
| 629 | − * Minimum number of samples to filter at once. If filter_frame() is | |
| 630 | − * called with fewer samples, it will accumulate them in fifo. | |
| 631 | − * This field and the related ones must not be changed after filtering | |
| 632 | − * has started. | |
| 633 | − * If 0, all related fields are ignored. | |
| 634 | − */ | |
| 635 | − int min_samples; | |
| 636 | − | |
| 637 | − /** | |
| 638 | − * Maximum number of samples to filter at once. If filter_frame() is | |
| 639 | − * called with more samples, it will split them. | |
| 640 | − */ | |
| 641 | − int max_samples; | |
| 642 | − | |
| 643 | 628 | /** |
| 644 | 629 | * Number of past frames sent through the link. |
| 645 | 630 | */ |
| @@ -119,7 +119,8 @@ static int get_frame_internal(AVFilterContext *ctx, AVFrame *frame, int flags, i · 118 unmodified lines | ||
| 119 | 119 | |
| 120 | 120 | int attribute_align_arg av_buffersink_get_frame_flags(AVFilterContext *ctx, AVFrame *frame, int flags) |
| 121 | 121 | { |
| 122 | − return get_frame_internal(ctx, frame, flags, ctx->inputs[0]->min_samples); | |
| 122 | + return get_frame_internal(ctx, frame, flags, | |
| 123 | + ff_filter_link(ctx->inputs[0])->min_samples); | |
| 123 | 124 | } |
| 124 | 125 | |
| 125 | 126 | int attribute_align_arg av_buffersink_get_samples(AVFilterContext *ctx, |
| @@ -163,7 +164,7 @@ static int activate(AVFilterContext *ctx) · 37 unmodified lines | ||
| 163 | 164 | |
| 164 | 165 | void av_buffersink_set_frame_size(AVFilterContext *ctx, unsigned frame_size) |
| 165 | 166 | { |
| 166 | − AVFilterLink *inlink = ctx->inputs[0]; | |
| 167 | + FilterLink *inlink = ff_filter_link(ctx->inputs[0]); | |
| 167 | 168 | |
| 168 | 169 | inlink->min_samples = inlink->max_samples = frame_size; |
| 169 | 170 | } |
| @@ -41,8 +41,29 @@ · 40 unmodified lines | ||
| 41 | 41 | */ |
| 42 | 42 | typedef struct FilterLink { |
| 43 | 43 | AVFilterLink pub; |
| 44 | + | |
| 45 | + /** | |
| 46 | + * Minimum number of samples to filter at once. | |
| 47 | + * | |
| 48 | + * May be set by the link destination filter in its config_props(). | |
| 49 | + * If 0, all related fields are ignored. | |
| 50 | + */ | |
| 51 | + int min_samples; | |
| 52 | + | |
| 53 | + /** | |
| 54 | + * Maximum number of samples to filter at once. If filter_frame() is | |
| 55 | + * called with more samples, it will split them. | |
| 56 | + * | |
| 57 | + * May be set by the link destination filter in its config_props(). | |
| 58 | + */ | |
| 59 | + int max_samples; | |
| 44 | 60 | } FilterLink; |
| 45 | 61 | |
| 62 | +static inline FilterLink* ff_filter_link(AVFilterLink *link) | |
| 63 | +{ | |
| 64 | + return (FilterLink*)link; | |
| 65 | +} | |
| 66 | + | |
| 46 | 67 | /** |
| 47 | 68 | * Mark a filter ready and schedule it for activation. |
| 48 | 69 | * |