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sink_buffer: warn when there are too many buffers.

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This commit is contained in:
Nicolas George 2012-06-28 11:21:42 +02:00
parent 05d6cc116e
commit fcf8706ed9
1 changed files with 10 additions and 0 deletions
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10
libavfilter/sink_buffer.c
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@ -56,6 +56,7 @@ AVABufferSinkParams *av_abuffersink_params_alloc(void)
typedef struct { typedef struct {
AVFifoBuffer *fifo; ///< FIFO buffer of video frame references AVFifoBuffer *fifo; ///< FIFO buffer of video frame references
unsigned warning_limit;
/* only used for video */ /* only used for video */
enum PixelFormat *pixel_fmts; ///< list of accepted pixel formats, must be terminated with -1 enum PixelFormat *pixel_fmts; ///< list of accepted pixel formats, must be terminated with -1
@ -76,6 +77,7 @@ static av_cold int common_init(AVFilterContext *ctx)
av_log(ctx, AV_LOG_ERROR, "Failed to allocate fifo\n"); av_log(ctx, AV_LOG_ERROR, "Failed to allocate fifo\n");
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
} }
buf->warning_limit = 100;
return 0; return 0;
} }
@ -113,6 +115,14 @@ static void end_frame(AVFilterLink *inlink)
/* cache frame */ /* cache frame */
av_fifo_generic_write(buf->fifo, av_fifo_generic_write(buf->fifo,
&inlink->cur_buf, sizeof(AVFilterBufferRef *), NULL); &inlink->cur_buf, sizeof(AVFilterBufferRef *), NULL);
if (buf->warning_limit &&
av_fifo_size(buf->fifo) / sizeof(AVFilterBufferRef *) >= buf->warning_limit) {
av_log(ctx, AV_LOG_WARNING,
"%d buffers queued in %s, something may be wrong.\n",
buf->warning_limit,
(char *)av_x_if_null(ctx->name, ctx->filter->name));
buf->warning_limit *= 10;
}
} }
int av_buffersink_get_buffer_ref(AVFilterContext *ctx, int av_buffersink_get_buffer_ref(AVFilterContext *ctx,