jpegls: factorize return paths

Conflicts:
	libavcodec/jpeglsdec.c

(cherry picked from commit 4a4107b489)
This commit is contained in:
Reinhard Tartler
2013-05-31 22:36:47 +02:00
parent 9eecf633f7
commit 582aec4989

View File

@@ -259,7 +259,7 @@ int ff_jpegls_decode_picture(MJpegDecodeContext *s, int near, int point_transfor
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;
@@ -329,9 +329,8 @@ int ff_jpegls_decode_picture(MJpegDecodeContext *s, int near, int point_transfor
}
} else if (ilv == 2) { /* sample interleaving */
av_log(s->avctx, AV_LOG_ERROR, "Sample interleaved images are not supported.\n");
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 */
@@ -359,10 +358,12 @@ int ff_jpegls_decode_picture(MJpegDecodeContext *s, int near, int point_transfor
}
}
}
end:
av_free(state);
av_free(zero);
return 0;
return ret;
}