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movtextdec: 3GPP TS 26.245 Timed Text Decoder.

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This change introduces a basic decoder for 3GPP Timed Text subtitles,
also known as TX3G, Quicktime subtitles, or "movtext" in the existing
code.

This initial change doesn't attempt to parse styling information,
and just reads the plain text of the subtitles. I intend to add
support for styles eventually, but it's challenging due to a lack
of existing players that support them.

Signed-off-by: Philip Langdale <philipl@overt.org>
This commit is contained in:
Philip Langdale
2012-06-23 14:11:19 -07:00
parent 57d5a224ce
commit 2c501ae82b
8 changed files with 125 additions and 11 deletions
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1
libavcodec/allcodecs.c
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@ -409,6 +409,7 @@ void avcodec_register_all(void)
REGISTER_ENCDEC (DVDSUB, dvdsub);
REGISTER_DECODER (JACOSUB, jacosub);
REGISTER_DECODER (MICRODVD, microdvd);
REGISTER_DECODER (MOVTEXT, movtext);
REGISTER_DECODER (PGSSUB, pgssub);
REGISTER_DECODER (REALTEXT, realtext);
REGISTER_DECODER (SAMI, sami);