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msdkdec: vc1: Fix handling of advanced profile elementary stream

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Advanced profile elementary streams may not have codec_data
always. So make sure we don't do anything with null buffer.
This commit is contained in:
Sreerenj Balachandran 2018-07-02 16:49:23 -08:00
parent ad6162e99b
commit 1250af8f09
1 changed files with 6 additions and 4 deletions
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10
sys/msdk/gstmsdkvc1dec.c
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@ -94,10 +94,12 @@ gst_msdkvc1dec_configure (GstMsdkDec * decoder)
/* asf advanced profile codec-data has 1 byte in the begining
* which is the ASF binding byte. MediaSDK can't recognize this
* byte, so discard it */
buffer = gst_buffer_copy_region (decoder->input_state->codec_data,
GST_BUFFER_COPY_DEEP | GST_BUFFER_COPY_MEMORY, 1,
gst_buffer_get_size (decoder->input_state->codec_data) - 1);
gst_adapter_push (decoder->adapter, buffer);
if (decoder->input_state->codec_data) {
buffer = gst_buffer_copy_region (decoder->input_state->codec_data,
GST_BUFFER_COPY_DEEP | GST_BUFFER_COPY_MEMORY, 1,
gst_buffer_get_size (decoder->input_state->codec_data) - 1);
gst_adapter_push (decoder->adapter, buffer);
}
decoder->is_packetized = FALSE;
}