Showing the changes to libavfilter/graphparser.c (1 of 2 files). Show all
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| @@ -349,6 +349,30 @@ static int parse_outputs(const char **buf, AVFilterInOut **curr_inputs, · 348 unmodified lines | ||
| 349 | 349 | #else |
| 350 | 350 | #define log_ctx NULL |
| 351 | 351 | #endif |
| 352 | + | |
| 353 | +static int parse_sws_flags(const char **buf, AVFilterGraph *graph) | |
| 354 | +{ | |
| 355 | + char *p = strchr(*buf, ';'); | |
| 356 | + | |
| 357 | + if (strncmp(*buf, "sws_flags=", 10)) | |
| 358 | + return 0; | |
| 359 | + | |
| 360 | + if (!p) { | |
| 361 | + av_log(log_ctx, AV_LOG_ERROR, "sws_flags not terminated with ';'.\n"); | |
| 362 | + return AVERROR(EINVAL); | |
| 363 | + } | |
| 364 | + | |
| 365 | + *buf += 4; // keep the 'flags=' part | |
| 366 | + | |
| 367 | + av_freep(&graph->scale_sws_opts); | |
| 368 | + if (!(graph->scale_sws_opts = av_mallocz(p - *buf + 1))) | |
| 369 | + return AVERROR(ENOMEM); | |
| 370 | + av_strlcpy(graph->scale_sws_opts, *buf, p - *buf + 1); | |
| 371 | + | |
| 372 | + *buf = p + 1; | |
| 373 | + return 0; | |
| 374 | +} | |
| 375 | + | |
| 352 | 376 | int avfilter_graph_parse2(AVFilterGraph *graph, const char *filters, |
| 353 | 377 | AVFilterInOut **inputs, |
| 354 | 378 | AVFilterInOut **outputs) |
| @@ -358,6 +382,11 @@ int avfilter_graph_parse2(AVFilterGraph *graph, const char *filters, · 3 unmodified lines | ||
| 358 | 382 | |
| 359 | 383 | AVFilterInOut *curr_inputs = NULL, *open_inputs = NULL, *open_outputs = NULL; |
| 360 | 384 | |
| 385 | + filters += strspn(filters, WHITESPACES); | |
| 386 | + | |
| 387 | + if ((ret = parse_sws_flags(&filters, graph)) < 0) | |
| 388 | + goto fail; | |
| 389 | + | |
| 361 | 390 | do { |
| 362 | 391 | AVFilterContext *filter; |
| 363 | 392 | filters += strspn(filters, WHITESPACES); |