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avcodec/mdec: DC reading for STRv1 is like STRv2

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As I understand, support for .STR files is broken for almost 10 years now (since 161442ff2c it seems).

Currently, ffmpeg fails with tons of errors like this on version 1 STRs, e.g. Wipeout 1:
[mdec @ 00000000027c72c0] ac-tex damaged at 1 9

What happens is that only the audio is present in the video file.

Anyway, that one character patch fixes the problem, video is now rendered.

Signed-off-by: aybe <aybe@users.noreply.github.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
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aybe aybe 2024-01-02 02:49:26 +00:00 committed by Michael Niedermayer
parent e664f4465a
commit 36b402f80d
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1 changed files with 1 additions and 1 deletions
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libavcodec/mdec.c
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@ -68,7 +68,7 @@ static inline int mdec_decode_block_intra(MDECContext *a, int16_t *block, int n)
const int qscale = a->qscale;
/* DC coefficient */
if (a->version == 2) {
if (a->version <= 2) {
block[0] = 2 * get_sbits(&a->gb, 10) + 1024;
} else {
component = (n <= 3 ? 0 : n - 4 + 1);