Always pass a AVFormatContext to av_log.

This is consistent, allows custom handlers to print more info
(since they probably know about the AVFormatContext class
but not a demuxer-specific one) and also avoids issues due
to the class pointer being NULL for non-raw mpegts.
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>

libavformat/mpegts.c

@@ -640,7 +640,7 @@ static void new_pes_packet(PESContext *pes, AVPacket *pkt)
 
     if(pes->total_size != MAX_PES_PAYLOAD &&
        pes->pes_header_size + pes->data_index != pes->total_size + 6) {
-        av_log(pes->ts, AV_LOG_WARNING, "PES packet size mismatch\n");
+        av_log(pes->stream, AV_LOG_WARNING, "PES packet size mismatch\n");
         pes->flags |= AV_PKT_FLAG_CORRUPT;
     }
     memset(pkt->data+pkt->size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
@@ -1314,7 +1314,7 @@ static int handle_packet(MpegTSContext *ts, const uint8_t *packet)
 
     tss->last_cc = cc;
     if (!cc_ok) {
-        av_log(ts, AV_LOG_WARNING, "Continuity Check Failed\n");
+        av_log(ts->stream, AV_LOG_WARNING, "Continuity Check Failed\n");
         if(tss->type == MPEGTS_PES) {
             PESContext *pc = tss->u.pes_filter.opaque;
             pc->flags |= AV_PKT_FLAG_CORRUPT;