videotoolbox: add missing sanity check

fe84f6ec · Felix Paul Kühne · 890f8e0f · fe84f6ec
Commit fe84f6ec authored Sep 08, 2015 by Felix Paul Kühne
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Showing with 8 additions and 6 deletions

modules/codec/videotoolbox.m modules/codec/videotoolbox.m +8 -6

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--- a/modules/codec/videotoolbox.m
+++ b/modules/codec/videotoolbox.m
@@ -448,12 +448,14 @@ static int StartVideoToolbox(decoder_t *p_dec, block_t *p_block)

    p_sys->b_enable_temporal_processing = false;
    if (var_InheritInteger(p_dec, "videotoolbox-temporal-deinterlacing")) {
-        if (p_block->i_flags & BLOCK_FLAG_TOP_FIELD_FIRST ||
-            p_block->i_flags & BLOCK_FLAG_BOTTOM_FIELD_FIRST) {
-            msg_Dbg(p_dec, "Interlaced content detected, inserting temporal deinterlacer");
-            CFDictionarySetValue(decoderConfiguration, kVTDecompressionPropertyKey_FieldMode, kVTDecompressionProperty_FieldMode_DeinterlaceFields);
-            CFDictionarySetValue(decoderConfiguration, kVTDecompressionPropertyKey_DeinterlaceMode, kVTDecompressionProperty_DeinterlaceMode_Temporal);
-            p_sys->b_enable_temporal_processing = true;
+        if (p_block != NULL) {
+            if (p_block->i_flags & BLOCK_FLAG_TOP_FIELD_FIRST ||
+                p_block->i_flags & BLOCK_FLAG_BOTTOM_FIELD_FIRST) {
+                msg_Dbg(p_dec, "Interlaced content detected, inserting temporal deinterlacer");
+                CFDictionarySetValue(decoderConfiguration, kVTDecompressionPropertyKey_FieldMode, kVTDecompressionProperty_FieldMode_DeinterlaceFields);
+                CFDictionarySetValue(decoderConfiguration, kVTDecompressionPropertyKey_DeinterlaceMode, kVTDecompressionProperty_DeinterlaceMode_Temporal);
+                p_sys->b_enable_temporal_processing = true;
+            }
        }
    }