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https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
Change avfilter_open() signature, from:
AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name); to: int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name); This way it is possible to propagate an error code telling the reason of the failure. Originally committed as revision 24765 to svn://svn.ffmpeg.org/ffmpeg/trunk
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parent
ad0d70c964
commit
84c0386960
8
ffmpeg.c
8
ffmpeg.c
@ -410,9 +410,9 @@ static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
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graph = av_mallocz(sizeof(AVFilterGraph));
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if (!(ist->input_video_filter = avfilter_open(avfilter_get_by_name("buffer"), "src")))
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if (avfilter_open(&ist->input_video_filter, avfilter_get_by_name("buffer"), "src") < 0)
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return -1;
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if (!(ist->out_video_filter = avfilter_open(&output_filter, "out")))
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if (avfilter_open(&ist->out_video_filter, &output_filter, "out") < 0)
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return -1;
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snprintf(args, 255, "%d:%d:%d", ist->st->codec->width,
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@ -432,7 +432,7 @@ static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
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snprintf(args, 255, "%d:%d:%d:%d", ost->leftBand, ost->topBand,
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codec->width,
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codec->height);
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filter = avfilter_open(avfilter_get_by_name("crop"), NULL);
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avfilter_open(&filter, avfilter_get_by_name("crop"), NULL);
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if (!filter)
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return -1;
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if (avfilter_init_filter(filter, args, NULL))
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@ -450,7 +450,7 @@ static int configure_filters(AVInputStream *ist, AVOutputStream *ost)
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codec->width,
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codec->height,
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(int)av_get_int(sws_opts, "sws_flags", NULL));
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filter = avfilter_open(avfilter_get_by_name("scale"), NULL);
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avfilter_open(&filter, avfilter_get_by_name("scale"), NULL);
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if (!filter)
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return -1;
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if (avfilter_init_filter(filter, args, NULL))
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4
ffplay.c
4
ffplay.c
@ -1790,8 +1790,8 @@ static int video_thread(void *arg)
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snprintf(sws_flags_str, sizeof(sws_flags_str), "flags=%d", sws_flags);
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graph->scale_sws_opts = av_strdup(sws_flags_str);
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if(!(filt_src = avfilter_open(&input_filter, "src"))) goto the_end;
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if(!(filt_out = avfilter_open(&output_filter, "out"))) goto the_end;
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if (avfilter_open(&filt_src, &input_filter, "src") < 0) goto the_end;
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if (avfilter_open(&filt_out, &output_filter, "out") < 0) goto the_end;
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if(avfilter_init_filter(filt_src, NULL, is)) goto the_end;
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if(avfilter_init_filter(filt_out, NULL, frame)) goto the_end;
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@ -394,12 +394,13 @@ static const AVClass avfilter_class = {
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LIBAVUTIL_VERSION_INT,
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};
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AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name)
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int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name)
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{
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AVFilterContext *ret;
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*filter_ctx = NULL;
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if (!filter)
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return 0;
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return AVERROR(EINVAL);
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ret = av_mallocz(sizeof(AVFilterContext));
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@ -422,7 +423,8 @@ AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name)
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ret->outputs = av_mallocz(sizeof(AVFilterLink*) * ret->output_count);
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}
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return ret;
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*filter_ctx = ret;
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return 0;
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}
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void avfilter_destroy(AVFilterContext *filter)
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@ -25,7 +25,7 @@
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#include "libavutil/avutil.h"
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#define LIBAVFILTER_VERSION_MAJOR 1
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#define LIBAVFILTER_VERSION_MINOR 32
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#define LIBAVFILTER_VERSION_MINOR 33
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#define LIBAVFILTER_VERSION_MICRO 0
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#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
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@ -660,11 +660,14 @@ AVFilter **av_filter_next(AVFilter **filter);
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/**
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* Create a filter instance.
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*
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* @param filter_ctx put here a pointer to the created filter context
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* on success, NULL on failure
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* @param filter the filter to create an instance of
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* @param inst_name Name to give to the new instance. Can be NULL for none.
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* @return Pointer to the new instance on success. NULL on failure.
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* @return >= 0 in case of success, a negative error code otherwise
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*/
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AVFilterContext *avfilter_open(AVFilter *filter, const char *inst_name);
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int avfilter_open(AVFilterContext **filter_ctx, AVFilter *filter, const char *inst_name);
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/**
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* Initialize a filter.
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@ -133,8 +133,7 @@ static int query_formats(AVFilterGraph *graph, AVClass *log_ctx)
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/* couldn't merge format lists. auto-insert scale filter */
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snprintf(inst_name, sizeof(inst_name), "auto-inserted scaler %d",
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scaler_count++);
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scale =
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avfilter_open(avfilter_get_by_name("scale"),inst_name);
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avfilter_open(&scale, avfilter_get_by_name("scale"), inst_name);
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snprintf(scale_args, sizeof(scale_args), "0:0:%s", graph->scale_sws_opts);
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if(!scale || scale->filter->init(scale, scale_args, NULL) ||
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@ -111,7 +111,7 @@ static AVFilterContext *create_filter(AVFilterGraph *ctx, int index,
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return NULL;
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}
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filt_ctx = avfilter_open(filt, inst_name);
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avfilter_open(&filt_ctx, filt, inst_name);
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if (!filt_ctx) {
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av_log(log_ctx, AV_LOG_ERROR,
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"Error creating filter '%s'\n", filt_name);
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@ -49,7 +49,7 @@ int main(int argc, char **argv)
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return 1;
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}
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if (!(filter_ctx = avfilter_open(filter, NULL))) {
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if (avfilter_open(&filter_ctx, filter, NULL) < 0) {
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fprintf(stderr, "Inpossible to open filter with name '%s'\n", filter_name);
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return 1;
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}
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