diff options
Diffstat (limited to 'libavfilter/graphparser.c')
| -rw-r--r-- | libavfilter/graphparser.c | 53 |
1 files changed, 29 insertions, 24 deletions
diff --git a/libavfilter/graphparser.c b/libavfilter/graphparser.c index 4f11529900..d62ba8d205 100644 --- a/libavfilter/graphparser.c +++ b/libavfilter/graphparser.c @@ -36,7 +36,7 @@ */ static int link_filter(AVFilterContext *src, int srcpad, AVFilterContext *dst, int dstpad, - AVClass *log_ctx) + void *log_ctx) { int ret; if ((ret = avfilter_link(src, srcpad, dst, dstpad))) { @@ -55,7 +55,7 @@ static int link_filter(AVFilterContext *src, int srcpad, * @return a pointer (that need to be freed after use) to the name * between parenthesis */ -static char *parse_link_name(const char **buf, AVClass *log_ctx) +static char *parse_link_name(const char **buf, void *log_ctx) { const char *start = *buf; char *name; @@ -92,7 +92,7 @@ static char *parse_link_name(const char **buf, AVClass *log_ctx) * @return 0 in case of success, a negative AVERROR code otherwise */ static int create_filter(AVFilterContext **filt_ctx, AVFilterGraph *ctx, int index, - const char *filt_name, const char *args, AVClass *log_ctx) + const char *filt_name, const char *args, void *log_ctx) { AVFilter *filt; char inst_name[30]; @@ -151,7 +151,7 @@ static int create_filter(AVFilterContext **filt_ctx, AVFilterGraph *ctx, int ind * @return 0 in case of success, a negative AVERROR code otherwise */ static int parse_filter(AVFilterContext **filt_ctx, const char **buf, AVFilterGraph *graph, - int index, AVClass *log_ctx) + int index, void *log_ctx) { char *opts = NULL; char *name = av_get_token(buf, "=,;[\n"); @@ -168,13 +168,18 @@ static int parse_filter(AVFilterContext **filt_ctx, const char **buf, AVFilterGr return ret; } -static void free_inout(AVFilterInOut *head) +AVFilterInOut *avfilter_inout_alloc(void) { - while (head) { - AVFilterInOut *next = head->next; - av_free(head->name); - av_free(head); - head = next; + return av_mallocz(sizeof(AVFilterInOut)); +} + +void avfilter_inout_free(AVFilterInOut **inout) +{ + while (*inout) { + AVFilterInOut *next = (*inout)->next; + av_freep(&(*inout)->name); + av_freep(inout); + *inout = next; } } @@ -201,7 +206,7 @@ static void insert_inout(AVFilterInOut **inouts, AVFilterInOut *element) static int link_filter_inouts(AVFilterContext *filt_ctx, AVFilterInOut **curr_inputs, - AVFilterInOut **open_inputs, AVClass *log_ctx) + AVFilterInOut **open_inputs, void *log_ctx) { int pad = filt_ctx->input_count, ret; @@ -249,7 +254,7 @@ static int link_filter_inouts(AVFilterContext *filt_ctx, } static int parse_inputs(const char **buf, AVFilterInOut **curr_inputs, - AVFilterInOut **open_outputs, AVClass *log_ctx) + AVFilterInOut **open_outputs, void *log_ctx) { int pad = 0; @@ -284,7 +289,7 @@ static int parse_inputs(const char **buf, AVFilterInOut **curr_inputs, static int parse_outputs(const char **buf, AVFilterInOut **curr_inputs, AVFilterInOut **open_inputs, - AVFilterInOut **open_outputs, AVClass *log_ctx) + AVFilterInOut **open_outputs, void *log_ctx) { int ret, pad = 0; @@ -328,8 +333,8 @@ static int parse_outputs(const char **buf, AVFilterInOut **curr_inputs, } int avfilter_graph_parse(AVFilterGraph *graph, const char *filters, - AVFilterInOut *open_inputs, - AVFilterInOut *open_outputs, AVClass *log_ctx) + AVFilterInOut **open_inputs, AVFilterInOut **open_outputs, + void *log_ctx) { int index = 0, ret; char chr = 0; @@ -341,7 +346,7 @@ int avfilter_graph_parse(AVFilterGraph *graph, const char *filters, const char *filterchain = filters; filters += strspn(filters, WHITESPACES); - if ((ret = parse_inputs(&filters, &curr_inputs, &open_outputs, log_ctx)) < 0) + if ((ret = parse_inputs(&filters, &curr_inputs, open_outputs, log_ctx)) < 0) goto fail; if ((ret = parse_filter(&filter, &filters, graph, index, log_ctx)) < 0) @@ -350,14 +355,14 @@ int avfilter_graph_parse(AVFilterGraph *graph, const char *filters, if (filter->input_count == 1 && !curr_inputs && !index) { /* First input can be omitted if it is "[in]" */ const char *tmp = "[in]"; - if ((ret = parse_inputs(&tmp, &curr_inputs, &open_outputs, log_ctx)) < 0) + if ((ret = parse_inputs(&tmp, &curr_inputs, open_outputs, log_ctx)) < 0) goto fail; } - if ((ret = link_filter_inouts(filter, &curr_inputs, &open_inputs, log_ctx)) < 0) + if ((ret = link_filter_inouts(filter, &curr_inputs, open_inputs, log_ctx)) < 0) goto fail; - if ((ret = parse_outputs(&filters, &curr_inputs, &open_inputs, &open_outputs, + if ((ret = parse_outputs(&filters, &curr_inputs, open_inputs, open_outputs, log_ctx)) < 0) goto fail; @@ -382,10 +387,10 @@ int avfilter_graph_parse(AVFilterGraph *graph, const char *filters, goto fail; } - if (open_inputs && !strcmp(open_inputs->name, "out") && curr_inputs) { + if (*open_inputs && !strcmp((*open_inputs)->name, "out") && curr_inputs) { /* Last output can be omitted if it is "[out]" */ const char *tmp = "[out]"; - if ((ret = parse_outputs(&tmp, &curr_inputs, &open_inputs, &open_outputs, + if ((ret = parse_outputs(&tmp, &curr_inputs, open_inputs, open_outputs, log_ctx)) < 0) goto fail; } @@ -396,8 +401,8 @@ int avfilter_graph_parse(AVFilterGraph *graph, const char *filters, for (; graph->filter_count > 0; graph->filter_count--) avfilter_free(graph->filters[graph->filter_count - 1]); av_freep(&graph->filters); - free_inout(open_inputs); - free_inout(open_outputs); - free_inout(curr_inputs); + avfilter_inout_free(open_inputs); + avfilter_inout_free(open_outputs); + avfilter_inout_free(&curr_inputs); return ret; } |