BBCIE: Fix missing .mp4 formats on news sites
Prior to merge BBCNewsIE from pr #6026 was rewritten into BBCIE in 9afa177. Support was added for non-news
sites (/travel, /sports), however support for the news mediaselector was removed to support these sites.
This removed support for .mp4.
pr #6026 ( news site, news mediaseletor : http://open.live.bbc.co.uk/mediaselector/4/mtis/stream/ )
format code extension resolution note
journalism_nonuk_stream_h264_flv_200_akamai flv 400x224 h264@ 176k, 1001.77KiB
journalism_nonuk_stream_h264_flv_400_akamai flv 400x224 h264@ 512k, 2.85MiB
journalism_nonuk_stream_h264_flv_med_akamai flv 640x360 h264@ 800k, 4.43MiB
journalism_nonuk_stream_h264_flv_hi_akamai flv 688x384 h264@1500k, 8.34MiB
journalism_world_stream_h264_http_200_sis_news_http mp4 400x224 h264@ 176k, 1001.77KiB
journalism_world_stream_h264_http_400_sis_news_http mp4 400x224 h264@ 512k, 2.85MiB
journalism_world_stream_h264_http_hi_sis_news_http mp4 688x384 h264@1500k, 8.34MiB (best)
# 9afa177 ( same url, non-news mediaselector: http://open.live.bbc.co.uk/mediaselector/5/select/version/2.0/mediaset/journalism-pc/vpid/ )
format code extension resolution note
journalism_nonuk_stream_h264_flv_lo_akamai flv 384x216 h264@ 496k, 2.76MiB
journalism_nonuk_stream_h264_flv_med_akamai flv 640x360 h264@ 800k, 4.43MiB
journalism_nonuk_stream_h264_flv_hi_akamai flv 688x384 h264@1500k, 8.34MiB (best)
This change corrects the above, by trying /mediaselector/5 if /mediaselector/4 fails.
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