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jpegls: factorize return paths

This commit is contained in:
Luca Barbato 2013-05-17 12:38:44 +02:00
parent a5a0ef5e13
commit 4a4107b489
1 changed files with 6 additions and 5 deletions
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11
libavcodec/jpeglsdec.c
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@ -274,7 +274,7 @@ int ff_jpegls_decode_picture(MJpegDecodeContext *s, int near,
int i, t = 0;
uint8_t *zero, *last, *cur;
JLSState *state;
int off = 0, stride = 1, width, shift;
int off = 0, stride = 1, width, shift, ret = 0;
zero = av_mallocz(s->picture_ptr->linesize[0]);
last = zero;
@ -347,9 +347,8 @@ int ff_jpegls_decode_picture(MJpegDecodeContext *s, int near,
}
} else if (ilv == 2) { /* sample interleaving */
avpriv_report_missing_feature(s->avctx, "Sample interleaved images");
av_free(state);
av_free(zero);
return AVERROR_PATCHWELCOME;
ret = AVERROR_PATCHWELCOME;
goto end;
}
if (shift) { /* we need to do point transform or normalize samples */
@ -375,10 +374,12 @@ int ff_jpegls_decode_picture(MJpegDecodeContext *s, int near,
}
}
}
end:
av_free(state);
av_free(zero);
return 0;
return ret;
}
AVCodec ff_jpegls_decoder = {